Chromatin from the wild - type ( dark blue bars ) , ash122 / ash19011 ( ash1 - , red bars ) and transgenic ash122 / ash19011 ( Ash1FL , light blue bars ; Ash1 ∆ PHD , green bars ; Ash1 ∆ SET , orange bars ) larvae was subjected to immunoprecipitation with the antibodies against Ash1 ( C ) . Histograms show the mean of the two independent experiments ( n = 2 ) with dots indicating individual experimental results . An intergenic region on chromosome 3R ( intergenic ) and the constitutively active TBP - associated factor 4 ( Taf4 ) gene serve as controls . The loss of Ash1 ChIP signal in the ash1 - larvae indicates that the selected genes are the genuine Ash1 binding sites .

O O O O O O O O O O O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O B-CONTROLLED_VAR O O O O O O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O B-CONTROLLED_VAR O O O O O B-CONTROLLED_VAR O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O B-CONTROLLED_VAR O O O O O O O O O O B-MEASURED_VAR O O O

Chromatin from the wild-type (dark blue bars), ash122/ash19011 (ash1-, red bars) and transgenic ash122/ash19011 (Ash1FL, light blue bars; Ash1∆PHD, green bars; Ash1∆SET, orange bars) larvae was subjected to immunoprecipitation with the antibodies against Ash1 (C). Histograms show the mean of the two independent experiments (n=2) with dots indicating individual experimental results. An intergenic region on chromosome 3R (intergenic) and the constitutively active TBP-associated factor 4 (Taf4) gene serve as controls. The loss of Ash1 ChIP signal in the ash1- larvae indicates that the selected genes are the genuine Ash1 binding sites.


( B ) The ∆ HisC ; 12xH3K36R and control ∆ HisC ; 12xWT flies show no homeotic transformations and are indistinguishable from the wild - type .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O

(B) The ∆HisC; 12xH3K36R and control ∆HisC; 12xWT flies show no homeotic transformations and are indistinguishable from the wild-type.


( A ) The Abd - B expression in the Central Nervous System ( CNS ) of stage 16 embryos was assayed by immunostaining with antibodies against Abd - B ( red ) . In the ash122 / TM3 , Sb , e Kr : : GFP or ash19011 / TM3 , Sb , e Kr : : GFP embryos ( heterozygous control ) , Abd - B is expressed in parasegments 14 to 10 in a gradient that recedes from the posterior to anterior parasegment . In the ash122 / ash19011 mutants the Abd - B gradient is much steeper , with reduced staining of parasegments 13 and 12 and at the edge of the detection in parasegments 11 - 10 . Heterozygous control and ash122 / ash19011 mutant embryos were stained together and separated by strong GFP expression ( green ) in the Bolwig ' s organs ( white arrows ) . Here and in B the embryos are oriented with anterior pole facing the top and scaling bars correspond to 50μm .

O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

(A) The Abd-B expression in the Central Nervous System (CNS) of stage 16 embryos was assayed by immunostaining with antibodies against Abd-B (red). In the ash122/TM3, Sb, e Kr::GFP or ash19011/TM3, Sb, e Kr::GFP embryos (heterozygous control), Abd-B is expressed in parasegments 14 to 10 in a gradient that recedes from the posterior to anterior parasegment. In the ash122/ash19011 mutants the Abd-B gradient is much steeper, with reduced staining of parasegments 13 and 12 and at the edge of the detection in parasegments 11-10. Heterozygous control and ash122/ash19011 mutant embryos were stained together and separated by strong GFP expression (green) in the Bolwig's organs (white arrows). Here and in B the embryos are oriented with anterior pole facing the top and scaling bars correspond to 50μm.


( B ) Unlike ash1 mutants , embryos homozygous for His3 . 3A , His3 . 3B , ∆ HisC deletions and supplemented with 12xH3K36R transgene ( His3 . 2 - , His3 . 3 - , H3K36R ) display the wild - type Abd - B immunostaining pattern ( red ) , the same as the control embryos heterozygous for His3 . 3A , and ∆ HisC deletions . In this experiment , immunostaining with antibodies against acetylated H3K18 ( green ) served as positive control .

O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O B-CONTROLLED_VAR O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O

(B) Unlike ash1 mutants, embryos homozygous for His3.3A, His3.3B, ∆HisC deletions and supplemented with 12xH3K36R transgene (His3.2-,His3.3-,H3K36R) display the wild-type Abd-B immunostaining pattern (red), the same as the control embryos heterozygous for His3.3A, and ∆HisC deletions. In this experiment, immunostaining with antibodies against acetylated H3K18 (green) served as positive control.


( D ) Reverse transcription and quantitative PCR ( RT - qPCR ) measurement of Abd - B expression in His3 . 2 - , His3 . 3 - , H3K36R embryos . Expression of Abd - B in stage 16 embryos , which are homozygous for His3 . 3A , His3 . 3B , and ∆ HisC deletions and carry 12xH3K36R transgene ( mutant ) , is not reduced compared to their wild - type counterparts ( control 1 ) or embryos heterozygous for His3 . 3A , and ∆ HisC deletions ( control 2 ) . Histograms show the mean of the two independent experiments ( n = 2 ) with dots indicating individual experimental results .

O O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

(D) Reverse transcription and quantitative PCR (RT-qPCR) measurement of Abd-B expression in His3.2-,His3.3-,H3K36R embryos. Expression of Abd-B in stage 16 embryos, which are homozygous for His3.3A, His3.3B, and ∆HisC deletions and carry 12xH3K36R transgene (mutant), is not reduced compared to their wild-type counterparts (control 1) or embryos heterozygous for His3.3A, and ∆HisC deletions (control 2). Histograms show the mean of the two independent experiments (n=2) with dots indicating individual experimental results.


A - C Confocal images of Stage 12 embryos from control , P { GT1 } CG9005BG02278 P - element mutant ( CG9005PBG ) , and CG9005PBG with CG9005 expression restored in macrophages . Macrophage : red . Phalloidin to visualize embryo : green . Germband edge : dotted white line . Data information : Scale bars : 50µm ( A - C )

O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O B-CONTROLLED_VAR O O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

A-C Confocal images of Stage 12 embryos from control, P{GT1}CG9005BG02278 P-element mutant (CG9005PBG), and CG9005PBG with CG9005 expression restored in macrophages. Macrophage: red. Phalloidin to visualize embryo: green. Germband edge: dotted white line. Data information: Scale bars: 50µm (A-C)


D Quantification of macrophages that have penetrated the germband from genotypes in ( A - C ) and from CG9005PBG over two deficiencies ( Df ) that remove the gene . n = 35 , 56 , 25 , 9 , 18 embryos respectively , p < 0 . 0001 for control vs CG9005PBG , Df1 , or Df2 ; p = 0 . 98 for control vs mac > CG9005 rescue , p = 0 . 91 , 0 . 90 for CG9005PBG vs Df1 or Df2 . Data information : Throughout paper mac > indicates GAL4 driven expression of a UAS construct specifically in macrophages by srpHemo - GAL4 . N for movies represents imaging from different embryos . ( D ) One - way ANOVA with Tukey .

O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

D Quantification of macrophages that have penetrated the germband from genotypes in (A-C) and from CG9005PBG over two deficiencies (Df) that remove the gene. n=35, 56, 25, 9, 18 embryos respectively, p<0.0001 for control vs CG9005PBG, Df1, or Df2; p=0.98 for control vs mac>CG9005 rescue, p=0.91, 0.90 for CG9005PBG vs Df1 or Df2. Data information: Throughout paper mac> indicates GAL4 driven expression of a UAS construct specifically in macrophages by srpHemo-GAL4. N for movies represents imaging from different embryos. (D) One-way ANOVA with Tukey.


E Macrophage - specific knockdown of CG9005 by UAS - RNAi lines . n = 22 , 20 , 21 , 23 , 35 , 28 embryos . p < 0 . 0001 for all comparisons . Data information : Throughout paper mac > indicates GAL4 driven expression of a UAS construct specifically in macrophages by srpHemo - GAL4 . N for movies represents imaging from different embryos . Unpaired t - tests . Graphs show mean ± SEM ; ns = p > 0 . 05 , * p < 0 . 05 , * * * * p < 0 . 0001 .

O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

E Macrophage-specific knockdown of CG9005 by UAS-RNAi lines. n=22, 20, 21, 23, 35, 28 embryos. p<0.0001 for all comparisons. Data information: Throughout paper mac> indicates GAL4 driven expression of a UAS construct specifically in macrophages by srpHemo-GAL4. N for movies represents imaging from different embryos. Unpaired t-tests. Graphs show mean±SEM; ns=p>0.05, *p<0.05, ****p<0.0001.


F Stills from two - photon movies of control and CG9005PBG mutant embryos showing macrophages ( nuclei , red ) migrating starting at Stage 10 from the head towards the germband and invading the germband tissue . Elapsed time indicated in minutes . Germband edge ( white dotted line ) detected by yolk autofluorescence . Data information : Scale bars : 30µm ( F ) . Throughout this work , embryos with stomadeal invagination and germband retraction away from the anterior of less than 29 % were defined as Stage 10 , 29 % - 31 % Stage 11 , and 35 % - 40 % Stage 12 .

O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

F Stills from two-photon movies of control and CG9005PBG mutant embryos showing macrophages (nuclei, red) migrating starting at Stage 10 from the head towards the germband and invading the germband tissue. Elapsed time indicated in minutes. Germband edge (white dotted line) detected by yolk autofluorescence. Data information: Scale bars: 30µm (F). Throughout this work, embryos with stomadeal invagination and germband retraction away from the anterior of less than 29% were defined as Stage 10, 29%-31% Stage 11, and 35%-40% Stage 12.


G - H Macrophage migration speed ( G ) in the head or ( H ) between the yolk sac and the germband edge . For ( G ) : control n = 8 movies , CG9005PBG mutant n = 3 ; control n = 360 tracks , mutant n = 450 , p = 0 . 65 . For ( H ) : control n = 7 movies , mutant n = 3 ; control n = 46 tracks , mutant n = 19 , p = 0 . 62 Data information : Unpaired t - tests . Graphs show mean ± SEM ; ns = p > 0 . 05 , * p < 0 . 05 , * * * * p < 0 . 0001 .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

G-H Macrophage migration speed (G) in the head or (H) between the yolk sac and the germband edge. For (G): control n=8 movies, CG9005PBG mutant n=3; control n=360 tracks, mutant n=450, p=0.65. For (H): control n=7 movies, mutant n=3; control n=46 tracks, mutant n=19, p=0.62 Data information: Unpaired t-tests. Graphs show mean±SEM; ns=p>0.05, *p<0.05, ****p<0.0001.


I The time required for the first macrophage nucleus to enter into the extended germband . Control n = 7 movies , mutant n = 5 . Time to entry : control = 23 min , CG9005PBG = 38 min , p < 0 . 0001 . Data information : Unpaired t - tests . Graphs show mean ± SEM ; ns = p > 0 . 05 , * p < 0 . 05 , * * * * p < 0 . 0001 .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

I The time required for the first macrophage nucleus to enter into the extended germband. Control n=7 movies, mutant n=5. Time to entry: control=23 min, CG9005PBG=38 min, p<0.0001. Data information: Unpaired t-tests. Graphs show mean±SEM; ns=p>0.05, *p<0.05, ****p<0.0001.


J - L The migration speed of the ( J ) 1st , ( K ) 2nd , or ( L ) 3rd - 5th macrophages along the first 25 - 30µm into the germband between the mesoderm and ectoderm . In schematics , analyzed macrophages - - light blue , other macrophages - - red , ectoderm - - green , mesoderm - - purple , and yolk - - beige . For ( J ) : control n = 6 movies , mutant n = 5 , p = 0 . 012 . For ( K ) : control n = 5 movies , mutant n = 5 , p = 0 . 03 . For ( L ) : control n = 5 movies , mutant n = 4 , p = 0 . 17 . Data information : Unpaired t - tests . Graphs show mean ± SEM ; ns = p > 0 . 05 , * p < 0 . 05 , * * * * p < 0 . 0001 .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

J-L The migration speed of the (J) 1st, (K) 2nd, or (L) 3rd-5th macrophages along the first 25-30µm into the germband between the mesoderm and ectoderm. In schematics, analyzed macrophages--light blue, other macrophages--red, ectoderm--green, mesoderm--purple, and yolk--beige. For (J): control n=6 movies, mutant n=5, p=0.012. For (K): control n=5 movies, mutant n=5, p=0.03. For (L): control n=5 movies, mutant n=4, p=0.17. Data information: Unpaired t-tests. Graphs show mean±SEM; ns=p>0.05, *p<0.05, ****p<0.0001.


C - D Confocal images or ( D ) quantification of the macrophages in germband in Stage 12 embryos from the control , atosPBG , and atosPBG expressing Atos itself or variants lacking particular domains . Transgene expression directly from macrophage specific promoter ( mac - ) . For control ( n = 32 embryos ) vs atosPBG mutant ( n = 56 ) p < 0 . 0001 ; vs rescue with mac - atos ( n = 18 ) p > 0 . 99 ; vs rescue with mac - atosDUF - ( n = 17 ) p = 0 . 0003 ; vs rescue with mac - atosChrSeg - ( n = 21 ) p = 0 . 0003 ; vs rescue with mac - atosDUF - / ChrSeg - ( n = 19 ) p = 0 , 00014 ; vs rescue with mac - atosTAD1 - / TAD2 - ( n = 25 ) p = 0 . 0009 , atosPBG mutant vs . rescue with mac - atos p = 0 . 0031 . Data information : Germband edge : dotted white line . Mac - indicates direct expression from the srpHemo promoter . ( C , macrophage nuclei ( red ) , actin by Phalloidin staining ( green ) . ( D One - way ANOVA with Tukey . Mean ± SEM , ns = p > 0 . 05 , * * p < 0 . 01 , * * * p < 0 . 001 , * * * * p < 0 . 0001 . Scale bars : 50µm (

O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

C-D Confocal images or (D) quantification of the macrophages in germband in Stage 12 embryos from the control, atosPBG, and atosPBG expressing Atos itself or variants lacking particular domains. Transgene expression directly from macrophage specific promoter (mac-). For control (n=32 embryos) vs atosPBG mutant (n=56) p<0.0001; vs rescue with mac-atos (n=18) p>0.99; vs rescue with mac-atosDUF- (n=17) p=0.0003; vs rescue with mac-atosChrSeg-(n=21) p=0.0003; vs rescue with mac-atosDUF-/ChrSeg-(n=19) p=0,00014; vs rescue with mac-atosTAD1-/ TAD2- (n=25) p=0.0009, atosPBG mutant vs. rescue with mac-atos p=0.0031. Data information: Germband edge: dotted white line. Mac- indicates direct expression from the srpHemo promoter. (C, macrophage nuclei (red), actin by Phalloidin staining (green). (D One-way ANOVA with Tukey. Mean±SEM, ns=p>0.05, **p<0.01, ***p<0.001, ****p<0.0001. Scale bars: 50µm (C


E Confocal images of atosPBG rescued by expressing Atossa ' s murine orthologs , mFAM214A or B ( mFAMA - B ) in macrophages , F Quantification of macrophages in the germband in Stage 12 embryos from the control , atosPBG , and atosPBG embryos expressing mFAM214A or B specifically in macrophages ( mac - ) . For control ( n = 24 embryos ) vs . atosPBG mutant ( n = 56 ) p < 0 . 0001 ; vs mac - atos rescue ( n = 18 ) p = 0 . 7 ; vs mac - mFAMA rescue ( n = 22 ) p = 0 . 6 ; vs mac - mFAMB rescue ( n = 25 ) p = 0 . 086 . For atosPBG mutant vs mac - atos rescue p = 0 . 0006 ; vs mac - mFAMA rescue p = 0 . 0002 ; vs mac - mFAMB rescue p = 0 . 0043 . Data information : Germband edge : dotted white line . Mac - indicates direct expression from the srpHemo promoter . E ) macrophage nuclei ( red ) , actin by Phalloidin staining ( green ) . F ) One - way ANOVA with Tukey . Mean ± SEM , ns = p > 0 . 05 , * * p < 0 . 01 , * * * p < 0 . 001 , * * * * p < 0 . 0001 . Scale bars : 50µm E ) .

O O O O B-CONTROLLED_VAR O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

E Confocal images of atosPBG rescued by expressing Atossa's murine orthologs, mFAM214A or B (mFAMA-B) in macrophages, F Quantification of macrophages in the germband in Stage 12 embryos from the control, atosPBG, and atosPBG embryos expressing mFAM214A or B specifically in macrophages (mac-). For control (n=24 embryos) vs. atosPBG mutant (n=56) p<0.0001; vs mac-atos rescue (n=18) p=0.7; vs mac-mFAMA rescue (n=22) p=0.6; vs mac-mFAMB rescue (n=25) p=0.086. For atosPBG mutant vs mac-atos rescue p=0.0006; vs mac-mFAMA rescue p=0.0002; vs mac-mFAMB rescue p=0.0043. Data information: Germband edge: dotted white line. Mac- indicates direct expression from the srpHemo promoter. E) macrophage nuclei (red), actin by Phalloidin staining (green). F) One-way ANOVA with Tukey. Mean±SEM, ns=p>0.05, **p<0.01, ***p<0.001, ****p<0.0001. Scale bars: 50µm E).


B - D Confocal images of early Stage 12 embryos from the control and lines expressing RNAis against ( B ) porthos , ( C ) GR / HPR or ( D ) LKR / SDH , specifically in macrophages ( red ) . Germband edge : dotted white line . Data information : Scale bar :

O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O

B-D Confocal images of early Stage 12 embryos from the control and lines expressing RNAis against (B) porthos, (C) GR/HPR or (D) LKR/SDH, specifically in macrophages (red). Germband edge: dotted white line. Data information: Scale bar: 50µm


Quantification of the number of germband macrophages in embryos from control and upon RNAi knockdown of the genes In ( E ) control ( n = 36 embryos ) vs . porthos RNAi ( n = 28 ) p < 0 . 0001 . In ( F ) сontrol 1 ( n = 18 embryos ) vs . GR / HPR RNAi 1 ( n = 18 ) and control 2 ( n = 21 ) vs . GR / HPR RNAi 2 ( n = 24 ) , both p < 0 . 0001 ; control 3 ( n = 15 embryos ) vs . GR / HPR RNAi 3 ( n = 23 ) p = 0 . 08 . Data information : Mean ± SEM and ns = p > 0 . 05 , * * * * p < 0 . 0001 . One - way ANOVA with

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

Quantification of the number of germband macrophages in embryos from control and upon RNAi knockdown of the genes In (E) control (n=36 embryos) vs. porthos RNAi (n=28) p<0.0001. In (F) сontrol 1 (n=18 embryos) vs. GR/HPR RNAi 1 (n=18) and control 2 (n=21) vs. GR/HPR RNAi 2 (n=24), both p<0.0001; control 3 (n=15 embryos) vs. GR/HPR RNAi 3 (n=23) p=0.08. Data information: Mean±SEM and ns=p>0.05, ****p<0.0001. One-way ANOVA with Tukey


Quantification of the number of germband macrophages in embryos from control and upon RNAi knockdown of the genes In ( G ) сontrol 1 ( n = 18 embryos ) vs . LKR / SDH RNAi 1 ( n = 17 ) and control 2 ( n = 21 ) vs . LKR / SDH RNAi 2 ( n = 23 ) , both p < 0 . 0001 . Data information : Mean ± SEM and ns = p > 0 . 05 , * * * * p < 0 . 0001 . One - way ANOVA with

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

Quantification of the number of germband macrophages in embryos from control and upon RNAi knockdown of the genes In (G) сontrol 1 (n=18 embryos) vs. LKR/SDH RNAi 1 (n=17) and control 2 (n=21) vs. LKR/SDH RNAi 2 (n=23), both p<0.0001. Data information: Mean±SEM and ns=p>0.05, ****p<0.0001. One-way ANOVA with Tukey


B Stills starting at Stage 11 from two - photon movies of control embryos and those expressing porthos ( pths ) - RNAi in macrophages ( nuclei , red ) , migrating from the head mesoderm towards and into the germband at the indicated time points . White dotted line : germband edge . Data information : Movies in each analysis set are from independent embryos . Scale bars :

O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

B Stills starting at Stage 11 from two-photon movies of control embryos and those expressing porthos (pths)-RNAi in macrophages (nuclei, red), migrating from the head mesoderm towards and into the germband at the indicated time points. White dotted line: germband edge. Data information: Movies in each analysis set are from independent embryos. Scale bars: 30µm


C - H Quantification of macrophage migration parameters from movies as in ( B ) . Macrophage migration speed ( C ) in the head or ( D ) between the yolk sac and the germband edge . ( C ) control n = 4 movies , pths RNAi n = 6 ; control n = 507 tracks , pths RNAi n = 859 ; p = 0 . 56 . ( D ) control n = 5 movies , pths RNAi n = 5 ; control n = 40 tracks , pths RNAi n = 51 ; p = 0 . 45 . ( E ) The time required for the first macrophage nucleus to enter into the extended germband : control = 23 min , CG9005PBG = 38 min , p < 0 . 0001 . The migration speed of the ( F ) 1st , ( G ) 2nd , or ( H ) 3rd - 5th macrophages along the first 25 - 30µm into the germband between the mesoderm and ectoderm : control = 21 . 5 min , n = 6 , pths RNAi = 36 . 2 min , n = 4 , p < 0 . 0001 . Data information : Mean ± SEM , ns = p > 0 . 05 , * p < 0 . 05 , * * p < 0 . 01 , * * * p < 0 . 001 , * * * * p < 0 . 0001 . Unpaired t -

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

C-H Quantification of macrophage migration parameters from movies as in (B). Macrophage migration speed (C) in the head or (D) between the yolk sac and the germband edge. (C) control n=4 movies, pths RNAi n=6; control n=507 tracks, pths RNAi n=859; p=0.56. (D) control n=5 movies, pths RNAi n=5; control n=40 tracks, pths RNAi n=51; p=0.45. (E) The time required for the first macrophage nucleus to enter into the extended germband: control=23 min, CG9005PBG=38 min, p<0.0001. The migration speed of the (F) 1st, (G) 2nd, or (H) 3rd-5th macrophages along the first 25-30µm into the germband between the mesoderm and ectoderm: control=21.5 min, n=6, pths RNAi=36.2 min, n=4, p<0.0001. Data information: Mean±SEM, ns=p>0.05, *p<0.05, **p<0.01, ***p<0.001, ****p<0.0001. Unpaired t-test


I Confocal images of early Stage 12 embryos from control , atosPBG , and atosPBG expressing atos : : FLAG : : HA ( mac > atos ) or pths : : FLAG : : HA ( mac > pths ) in macrophages ( red ) . Embryo detected by phalloidin staining ( green ) . White dotted line : germband edge . . J Quantification of macrophages in the germband of an atosPBG mutant rescued by expressing pths : : FLAG : : HA in macrophages . For control ( n = 15 embryos ) vs atosPBG mutant ( n = 22 ) and mac > atos rescue ( n = 27 ) both p < 0 . 0001 , vs mac > pths rescue ( n = 30 ) p = 0 . 0007 . Data information : Movies in each analysis set are from independent embryos . Mean ± SEM , ns = p > 0 . 05 , * p < 0 . 05 , * * p < 0 . 01 , * * * p < 0 . 001 , * * * * p < 0 . 0001 . one - way ANOVA with Tukey Scale bars :

O O O O O O O O O O O B-CONTROLLED_VAR O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O O O O O O O O O B-CONTROLLED_VAR O O B-CONTROLLED_VAR O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

I Confocal images of early Stage 12 embryos from control, atosPBG, and atosPBG expressing atos::FLAG::HA (mac>atos) or pths::FLAG::HA (mac>pths) in macrophages (red). Embryo detected by phalloidin staining (green). White dotted line: germband edge.. J Quantification of macrophages in the germband of an atosPBG mutant rescued by expressing pths::FLAG::HA in macrophages. For control (n=15 embryos) vs atosPBG mutant (n=22) and mac>atos rescue (n=27) both p<0.0001, vs mac>pths rescue (n=30) p=0.0007. Data information: Movies in each analysis set are from independent embryos. Mean±SEM, ns=p>0.05, *p<0.05, **p<0.01, ***p<0.001, ****p<0.0001. one-way ANOVA with Tukey Scale bars: 50µm


E - F Confocal images of early Stage 12 embryos from the controls , from lines expressing nlacZ and RNAis against atos or pths in macrophages ( mac > ) as a second control , and lines expressing RNAis targeting atos or pths along with individual components of the dTORC1 pathway in macrophages , including Nrpl2 , Iml1 , and TSC1 . Germband edge : dotted white line . Data information : Scale bar :

O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O O O O O O O O O O O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O O B-CONTROLLED_VAR O O O O O O O O O O O O O O

E-F Confocal images of early Stage 12 embryos from the controls, from lines expressing nlacZ and RNAis against atos or pths in macrophages (mac>) as a second control, and lines expressing RNAis targeting atos or pths along with individual components of the dTORC1 pathway in macrophages, including Nrpl2, Iml1, and TSC1. Germband edge: dotted white line. Data information: Scale bar: 30µm


G - H Quantification of the number of germband macrophages in embryos from the controls and upon RNAi knockdown of the genes in E - F . Expression of different RNAis against Nrpl2 , Iml1 , and TSC1 in atos or pths - depleted macrophages rescues macrophage invasion into the germband while expression of lacZ does not . In ( G ) control ( n = 21 embryos ) vs . atos RNAi ( n = 30 ) p < 0 . 0001 ; control vs . atos RNAi rescued with Nrpl2 RNAi ( n = 32 ) p = 0 . 019 , with Iml1 RNAi ( n = 24 ) p = 0 . 03 , and with TSC1 RNAi ( n = 15 ) p = 0 . 04 . In ( H ) control ( n = 29 embryos ) vs pths RNAi ( n = 26 ) p < 0 . 0001 ; control vs . pths RNAi rescued with Nrpl2 RNAi ( n = 27 ) p = 0 . 01 , with Iml1 RNAi ( n = 17 ) p = 0 . 02 , and with TSC1 RNAi ( n = 18 ) p = 0 . 02 . Data information : Mean ± SEM , ns = p > 0 . 05 , * p < 0 . 05 , * * * * p < 0 . 0001 . one - way ANOVA with

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O B-CONTROLLED_VAR O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O B-CONTROLLED_VAR O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

G-H Quantification of the number of germband macrophages in embryos from the controls and upon RNAi knockdown of the genes in E-F. Expression of different RNAis against Nrpl2, Iml1, and TSC1 in atos or pths-depleted macrophages rescues macrophage invasion into the germband while expression of lacZ does not. In (G) control (n=21 embryos) vs. atos RNAi (n=30) p<0.0001; control vs. atos RNAi rescued with Nrpl2 RNAi (n=32) p=0.019, with Iml1 RNAi (n=24) p=0.03, and with TSC1 RNAi (n=15) p=0.04. In (H) control (n=29 embryos) vs pths RNAi (n=26) p<0.0001; control vs. pths RNAi rescued with Nrpl2 RNAi (n=27) p=0.01, with Iml1 RNAi (n=17) p=0.02, and with TSC1 RNAi (n=18) p=0.02. Data information: Mean±SEM, ns=p>0.05, *p<0.05, ****p<0.0001. one-way ANOVA with Tukey


I Western blot of protein extracts from control and pths KD S2R + probed with p - 4EBP1 antibody . Tubulin serves as a loading control and quantification normalized to loading control . N = 3 biological replicates for both control and pths KD , p = 0 . 69 . Data information : Mean ± SEM , ns = p > 0 . 05 , * p < 0 . 05 , * * * * p < 0 . 0001 . unpaired t -

O O O O O O O O O B-CONTROLLED_VAR O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

I Western blot of protein extracts from control and pths KD S2R+ probed with p-4EBP1 antibody. Tubulin serves as a loading control and quantification normalized to loading control. N=3 biological replicates for both control and pths KD, p=0.69. Data information: Mean±SEM, ns=p>0.05, *p<0.05, ****p<0.0001. unpaired t-test


C - F RT - qPCR analysis of mRNA from ribosomal protein fractions for control ( black ) and pths KD ( gray ) transcripts from S2R + cells . RNA was isolated individually from fractions and pooled into five categories : RNP , 40S / 60S , monosome , low polysome ( di - and trisome ) , and high polysome ( remaining fractions ) . The data were plotted relative to the amount present in the monosome fraction for each transcript . The mRNA levels of subunits of mitochondrial complexes ( C ) I , ( D ) III and ( E ) V were reduced in low and high polysome fractions in pths KD cells compared to the control cells , while ( F ) mRNA levels of GAPDH in the same fractions , used as an internal control , were not changed ( n = 3 independent biological replicates for control and pths KD ) . For ( C , E - F ) low polysome fraction for control vs . pths KD : ( C ) p = 0 . 057 , ( D ) p = 0 . 0039 , ( E ) p = 0 . 09 , ( F ) p = 0 . 5 . For ( C , E - F ) high polysome fraction for control vs . pths KD : ( C ) p = 0 . 039 , ( D ) p = 0 . 046 , ( E ) p = 0 . 041 , ( F ) p = 0 . 66 . G - I Western blots and their quantifications of protein extracts from control and pths KD S2R + probed with ( G ) MT - ND1 ( for mitochondrial complex I ) n = 4 , p < 0 . 0001 ) , ( H ) ATPsynt - β ( for mitochondrial complex V ) n = 3 p = 0 . 034 and ( I ) tubulin β antibodies p = 0 . 56 ) ( n = 3 ) . Profilin serves as loading control . N = biological replicates . Data information : Mean ± SEM , ns = p > 0 . 05 , * p < 0 . 05 , * * p < 0 . 01 , * * * * p < 0 . 0001 . Unpaired t - tests ( C - F , G - I ) .

O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

C-F RT-qPCR analysis of mRNA from ribosomal protein fractions for control (black) and pths KD (gray) transcripts from S2R+ cells. RNA was isolated individually from fractions and pooled into five categories: RNP, 40S/60S, monosome, low polysome (di- and trisome), and high polysome (remaining fractions). The data were plotted relative to the amount present in the monosome fraction for each transcript. The mRNA levels of subunits of mitochondrial complexes (C) I, (D) III and (E) V were reduced in low and high polysome fractions in pths KD cells compared to the control cells, while (F) mRNA levels of GAPDH in the same fractions, used as an internal control, were not changed (n=3 independent biological replicates for control and pths KD). For (C,E-F) low polysome fraction for control vs. pths KD: (C) p=0.057, (D) p=0.0039, (E) p=0.09, (F) p=0.5. For (C,E-F) high polysome fraction for control vs. pths KD: (C) p=0.039, (D) p=0.046, (E) p=0.041, (F) p=0.66. G-I Western blots and their quantifications of protein extracts from control and pths KD S2R+ probed with (G) MT-ND1 (for mitochondrial complex I) n=4, p<0.0001), (H) ATPsynt-β (for mitochondrial complex V) n=3 p=0.034 and (I) tubulin β antibodies p=0.56) (n=3). Profilin serves as loading control. N=biological replicates. Data information: Mean±SEM, ns=p>0.05, *p<0.05, **p<0.01, ****p<0.0001. Unpaired t-tests (C-F, G-I).


B The Oxygen Consumption Rate ( OCR , pmols O2 / min ) assessed as a representative parameter of OxPhos in control and pths - KD S2R + cells by a Seahorse efflux assay . n ≥ 3 independent biological experiments each with n > 6 technical replicate . Data information : Mean ± SEM , * * p < 0 . 01 , * * * p < 0 . 001 , * * * * p < 0 . 0001 . Unpaired t -

O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

B The Oxygen Consumption Rate (OCR, pmols O2/min) assessed as a representative parameter of OxPhos in control and pths-KD S2R+ cells by a Seahorse efflux assay. n≥3 independent biological experiments each with n>6 technical replicate. Data information: Mean±SEM, **p<0.01, ***p<0.001, ****p<0.0001. Unpaired t-tests


C Distinct respiration parameters calculated from relative OCR values obtained in experiments shown in B . p < 0 . 0001 for all comparisons . Data information : Mean ± SEM , * * p < 0 . 01 , * * * p < 0 . 001 , * * * * p < 0 . 0001 . two - way ANOVA with Sidak ' s

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

C Distinct respiration parameters calculated from relative OCR values obtained in experiments shown in B. p<0.0001 for all comparisons. Data information: Mean±SEM, **p<0.01, ***p<0.001, ****p<0.0001. two-way ANOVA with Sidak's test


Confocal images of macrophages from control embryos and those expressing a dominant negative c - ring of ATP synthase ( CV - DN ) in macrophages . from Stage 12 embryos and germband edge shown with dotted white line . Data information : show Stage 12 embryos . Scale bars :

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

Confocal images of macrophages from control embryos and those expressing a dominant negative c-ring of ATP synthase (CV-DN) in macrophages. from Stage 12 embryos and germband edge shown with dotted white line. Data information: show Stage 12 embryos. Scale bars: 50µm


quantification of macrophages ( E ) in the germband or ( F ) on the yolk next to the germband from control embryos and those expressing a dominant negative c - ring of ATP synthase ( CV - DN ) in macrophages . from Stage 12 embryos For ( E ) control ( n = 24 embryos ) vs CV - DN ( n = 20 ) p = 0 . 0032 . For ( F ) control ( n = 21 embryos ) vs CV - DN ( n = 17 ) p = 0 . 003 . Data information : show Stage 12 embryos . Mean ± SEM , * * p < 0 . 01 , * * * p < 0 . 001 , * * * * p < 0 . 0001 . Unpaired t -

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

quantification of macrophages (E) in the germband or (F) on the yolk next to the germband from control embryos and those expressing a dominant negative c-ring of ATP synthase (CV-DN) in macrophages. from Stage 12 embryos For (E) control (n=24 embryos) vs CV-DN (n=20) p=0.0032. For (F) control (n=21 embryos) vs CV-DN (n=17) p=0.003. Data information: show Stage 12 embryos. Mean±SEM, **p<0.01, ***p<0.001, ****p<0.0001. Unpaired t-tests


Confocal images of germband macrophages in control embryos and those expressing different RNAis against mitochondrial OxPhos Complex III ( or an RNAi against Complex V . Data information : show Stage 12 embryos . Complex III RNAis target Cyt - c1 , UQCR - cp1 - 2 , for Complex V , ATP synthase F1F0 . Scale bars :

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O

Confocal images of germband macrophages in control embryos and those expressing different RNAis against mitochondrial OxPhos Complex III (or an RNAi against Complex V. Data information: show Stage 12 embryos. Complex III RNAis target Cyt-c1, UQCR-cp1-2, for Complex V, ATP synthase F1F0. Scale bars: 50µm


quantification of germband macrophages in control embryos and those expressing different RNAis against mitochondrial OxPhos Complex III ( or an RNAi against Complex V . For ( H ) control ( n = 34 embryos ) vs Complex III RNAi 1 ( n = 20 ) p = 0 . 0001 ; vs . Complex III RNAi 2 ( n = 18 ) p = 0 . 027 ; vs . Complex III RNAi 3 ( n = 16 ) p < 0 . 0001 ; vs . Complex V RNAi ( n = 14 ) p < 0 . 0001 . Data information : show Stage 12 embryos . Complex III RNAis target Cyt - c1 , UQCR - cp1 - 2 , for Complex V , ATP synthase F1F0 . Mean ± SEM , * * p < 0 . 01 , * * * p < 0 . 001 , * * * * p < 0 . 0001 . one - way ANOVA with Tukey ' s ( H ) .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

quantification of germband macrophages in control embryos and those expressing different RNAis against mitochondrial OxPhos Complex III (or an RNAi against Complex V. For (H) control (n=34 embryos) vs Complex III RNAi 1 (n=20) p=0.0001; vs. Complex III RNAi 2 (n=18) p=0.027; vs. Complex III RNAi 3 (n=16) p<0.0001; vs. Complex V RNAi (n=14) p<0.0001. Data information: show Stage 12 embryos. Complex III RNAis target Cyt-c1, UQCR-cp1-2, for Complex V, ATP synthase F1F0. Mean±SEM, **p<0.01, ***p<0.001, ****p<0.0001. one-way ANOVA with Tukey's (H).


I Single plane confocal microscope image during germband entry from control or atosPBG embryos , or those expressing pths - RNAi or CV - DN in macrophages . Antibodies against S293 - phosphorylated inactivated Pyruvate Dehydrogenase ( pPDH , green ) or total PDH ( magenta ) in macrophages ( red ) . Higher pPDH levels are usually found when ATP / ADP levels are high and input into the TCA cycle is being downregulated Data information : show Stage 12 embryos . Scale bars :

O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

I Single plane confocal microscope image during germband entry from control or atosPBG embryos, or those expressing pths-RNAi or CV-DN in macrophages. Antibodies against S293-phosphorylated inactivated Pyruvate Dehydrogenase (pPDH, green) or total PDH (magenta) in macrophages (red). Higher pPDH levels are usually found when ATP/ADP levels are high and input into the TCA cycle is being downregulated Data information: show Stage 12 embryos. Scale bars: 10µm


J Quantification of normalized pPDH / PDH levels calculated from fluorescence intensities in macrophages from the genotypes in ( I ) during initial germband invasion . The pPDH / PDH ratio is significantly reduced , arguing that decreased function of CV , Atos or Pths in macrophages results in lower cellular ATP / ADP ratios compared to the control . N = 3 independent experiments . Ctrl 1 ( n = 10 embryos ) vs CV - DN ( n = 9 ) and vs . atos mutant ( n = 13 ) both p = 0 . 0002 ; Ctrl 2 ( n = 7 embryos ) vs pths RNAi ( n = 8 ) p = 0 . 0001 . * * * shown above columns in J are for comparison to relevant control . Data information : Mean ± SEM , * * p < 0 . 01 , * * * p < 0 . 001 , * * * * p < 0 . 0001 . Unpaired t -

O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

J Quantification of normalized pPDH/PDH levels calculated from fluorescence intensities in macrophages from the genotypes in (I) during initial germband invasion. The pPDH/PDH ratio is significantly reduced, arguing that decreased function of CV, Atos or Pths in macrophages results in lower cellular ATP/ADP ratios compared to the control. N=3 independent experiments. Ctrl 1 (n=10 embryos) vs CV-DN (n=9) and vs. atos mutant (n=13) both p=0.0002; Ctrl 2 (n=7 embryos) vs pths RNAi (n=8) p=0.0001.*** shown above columns in J are for comparison to relevant control. Data information: Mean±SEM, **p<0.01, ***p<0.001, ****p<0.0001. Unpaired t-tests


A Single plane confocal microscope image during germband entry from control or atosPBG embryos , or those expressing pths , GR / HPR , and LKR / SDH in macrophages ( mac > ) . Embryos were stained for antibodies against S293 - phosphorylated inactivated Pyruvate Dehydrogenase ( pPDH , green ) or total PDH ( magenta ) in macrophages ( red ) . Higher pPDH / PDH ratios are consistent with higher ATP / ADP levels . Data information : Scale bars :

O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O B-CONTROLLED_VAR O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O

A Single plane confocal microscope image during germband entry from control or atosPBG embryos, or those expressing pths, GR/HPR, and LKR/SDH in macrophages (mac>). Embryos were stained for antibodies against S293-phosphorylated inactivated Pyruvate Dehydrogenase (pPDH, green) or total PDH (magenta) in macrophages (red). Higher pPDH/PDH ratios are consistent with higher ATP/ADP levels. Data information: Scale bars: 10µm


B Quantification of normalized pPDH / PDH levels calculated from fluorescence intensities in macrophages from the genotypes in ( A ) during initial germband invasion . The pPDH / PDH ratio is significantly increased in atosPBG embryos expressing either pths , GR / HPR , or LKR / SDH in macrophages compared to the atosPBG embryos . This argues that the decreased Atos function in atosPBG macrophages , resulting in lower cellular ATP / ADP ratios , was restored by expressing either its targets or murine orthologs . N = 3 independent experiments . Control ( n = 9 embryos ) vs . atos mutant ( n = 10 ) p < 0 . 0001 . Control vs . atos mutant rescued with mac > pths ( n = 10 ) p = 0 . 77 ; rescued with mac > GRHPR ( n = 9 ) p = 0 . 48 ; rescued with mac > LKRSDH ( n = 10 ) p = 0 . 012 . For atos mutant vs . atos rescued with mac > pths or mac > GRHPR p < 0 . 0001 . vs . atos rescued with mac > LKRSDH p = 0 . 0014 . Data information : Mean ± SEM , ns = p > 0 . 05 , * p < 0 . 05 , * * p < 0 . 01 , * * * * p < 0 . 0001 . One - way ANOVA with

O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O B-CONTROLLED_VAR O O O B-CONTROLLED_VAR O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O B-CONTROLLED_VAR O O O O O O O B-CONTROLLED_VAR O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O B-CONTROLLED_VAR O O O B-CONTROLLED_VAR O O O O B-CONTROLLED_VAR O O O B-CONTROLLED_VAR O O O O O O O O B-CONTROLLED_VAR O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

B Quantification of normalized pPDH/PDH levels calculated from fluorescence intensities in macrophages from the genotypes in (A) during initial germband invasion. The pPDH/PDH ratio is significantly increased in atosPBG embryos expressing either pths, GR/HPR, or LKR/SDH in macrophages compared to the atosPBG embryos. This argues that the decreased Atos function in atosPBG macrophages, resulting in lower cellular ATP/ADP ratios, was restored by expressing either its targets or murine orthologs. N=3 independent experiments. Control (n=9 embryos) vs. atos mutant (n=10) p<0.0001. Control vs. atos mutant rescued with mac>pths (n=10) p=0.77; rescued with mac>GRHPR (n=9) p=0.48; rescued with mac>LKRSDH (n=10) p=0.012. For atos mutant vs. atos rescued with mac>pths or mac>GRHPR p<0.0001. vs. atos rescued with mac>LKRSDH p=0.0014. Data information: Mean±SEM, ns=p>0.05, *p<0.05, **p<0.01, ****p<0.0001. One-way ANOVA with Tukey


C - D ( C ) Confocal images or ( D ) quantification of the macrophages in germband in Stage 12 embryos from the control , atosPBG , and atosPBG expressing atos itself or GR / HPR , or LKR / SDH in macrophages . Germband edge : dotted white line . For ( D ) control ( n = 29 embryos ) vs . atos mutant ( n = 19 ) p < 0 . 0001 . Control vs . atos mutant rescued with mac > atos ( n = 27 embryos ) p = 0 . 99 ; rescued with mac > GRHPR ( n = 28 ) p = 0 . 29 ; rescued with mac > LKRSDH ( n = 20 ) p = 0 . 036 . atos mutant vs . atos rescued with mac > atos or mac > GRHPR p < 0 . 0001 ; rescued with mac > LKRSDH p = 0 . 0134 . Data information : Mean ± SEM , ns = p > 0 . 05 , * p < 0 . 05 , * * p < 0 . 01 , * * * * p < 0 . 0001 . One - way ANOVA with Tukey Scale bars :

O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O B-CONTROLLED_VAR O O O B-CONTROLLED_VAR O O O O B-CONTROLLED_VAR O O O B-CONTROLLED_VAR O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

C-D (C) Confocal images or (D) quantification of the macrophages in germband in Stage 12 embryos from the control, atosPBG, and atosPBG expressing atos itself or GR/HPR, or LKR/SDH in macrophages. Germband edge: dotted white line. For (D) control (n=29 embryos) vs. atos mutant (n=19) p<0.0001. Control vs. atos mutant rescued with mac>atos (n=27 embryos) p=0.99; rescued with mac>GRHPR (n=28) p=0.29; rescued with mac>LKRSDH (n=20) p=0.036. atos mutant vs. atos rescued with mac>atos or mac>GRHPR p<0.0001; rescued with mac>LKRSDH p=0.0134. Data information: Mean±SEM, ns=p>0.05, *p<0.05, **p<0.01, ****p<0.0001. One-way ANOVA with Tukey Scale bars: 50µm


E Single plane confocal microscope images during germband entry from control or atosPBG embryos , or those expressing mammalian orthologs mFAM214A or B ( FAMA - B ) in macrophages ( mac > ) . Embryos were stained for antibodies against S293 - phosphorylated inactivated Pyruvate Dehydrogenase ( pPDH , green ) or total PDH ( magenta ) in macrophages ( red ) . Data information : Scale bars :

O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O

E Single plane confocal microscope images during germband entry from control or atosPBG embryos, or those expressing mammalian orthologs mFAM214A or B (FAMA-B) in macrophages (mac>). Embryos were stained for antibodies against S293-phosphorylated inactivated Pyruvate Dehydrogenase (pPDH, green) or total PDH (magenta) in macrophages (red). Data information: Scale bars: 10µm


F Quantification of normalized pPDH / PDH levels measured from fluorescence intensities in macrophages from the genotypes in ( E ) during initial germband invasion . The pPDH / PDH ratio is significantly increased in atosPBG embryos expressing either mammalian ortholog mFAM214A or B in macrophages compared to the atosPBG embryos . Results from three independent experiments . Control ( n = 10 embryos ) vs . atos mutant ( n = 11 ) p < 0 . 0001 . Control vs . atos mutant rescued with mac - mFAMA ( n = 14 embryos ) p = 0 . 06 ; rescued with mac - mFAMB ( n = 12 ) p = 0 . 13 . atos mutant vs . atos mutant rescued with mac - mFAMA p = 0 . 0025 or mac - mFAMB p = 0 . 0019 . Data information : Mean ± SEM , ns = p > 0 . 05 , * p < 0 . 05 , * * p < 0 . 01 , * * * * p < 0 . 0001 . One - way ANOVA with

O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

F Quantification of normalized pPDH/PDH levels measured from fluorescence intensities in macrophages from the genotypes in (E) during initial germband invasion. The pPDH/PDH ratio is significantly increased in atosPBG embryos expressing either mammalian ortholog mFAM214A or B in macrophages compared to the atosPBG embryos. Results from three independent experiments. Control (n=10 embryos) vs. atos mutant (n=11) p<0.0001. Control vs. atos mutant rescued with mac-mFAMA (n=14 embryos) p=0.06; rescued with mac-mFAMB (n=12) p=0.13. atos mutant vs. atos mutant rescued with mac-mFAMA p=0.0025 or mac-mFAMB p=0.0019. Data information: Mean±SEM, ns=p>0.05, *p<0.05, **p<0.01, ****p<0.0001. One-way ANOVA with Tukey


Cellular metabolites were measured by LC - MS - based untargeted metabolomics from extracts of Stage 11 embryos ; biological replicates for control n = 5 , for atosPBG n = 7 . ( B ) Normalized ATP / ADP ratio values are decreased in atosPBG compared to control embryos ( p = 0 . 028 ) . Data information : Mean ± SEM , ns = p > 0 . 05 , * p < 0 . 05 , * * p < 0 . 01 , * * * * p < 0 . 0001 . unpaired t -

O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

Cellular metabolites were measured by LC-MS-based untargeted metabolomics from extracts of Stage 11 embryos; biological replicates for control n=5, for atosPBG n=7. (B) Normalized ATP/ADP ratio values are decreased in atosPBG compared to control embryos (p=0.028). Data information: Mean±SEM, ns=p>0.05, *p<0.05, **p<0.01, ****p<0.0001. unpaired t-test


Cellular metabolites were measured by LC - MS - based untargeted metabolomics from extracts of Stage 11 embryos ; biological replicates for control n = 5 , for atosPBG n = 7 . Heatmap of non - targeted metabolites in atosPBG compared to wild - type embryos shown with average log2fold change ( FC ) in the non - targeted LC - MS / MS analysis reveals ( C ) an increase in atosPBG in substrates of the dGR / HPR enzyme , including 4 - hydroxy α - ketoglutarate and hydroxyproline ( HLP ) and a smaller decrease in its products , glycolate and glycerate , ( D ) a significant increase in some dipeptides including those containing hydroxyproline . Data information : Values in heat maps are obtained from untargeted metabolomic analysis , unpaired t -

O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

Cellular metabolites were measured by LC-MS-based untargeted metabolomics from extracts of Stage 11 embryos; biological replicates for control n=5, for atosPBG n=7. Heatmap of non-targeted metabolites in atosPBG compared to wild-type embryos shown with average log2fold change (FC) in the non-targeted LC-MS/MS analysis reveals (C) an increase in atosPBG in substrates of the dGR/HPR enzyme, including 4-hydroxy α-ketoglutarate and hydroxyproline (HLP) and a smaller decrease in its products, glycolate and glycerate, (D) a significant increase in some dipeptides including those containing hydroxyproline. Data information: Values in heat maps are obtained from untargeted metabolomic analysis, unpaired t-test


Cellular metabolites were measured by LC - MS - based untargeted metabolomics from extracts of Stage 11 embryos ; biological replicates for control n = 5 , for atosPBG n = 7 . ( E ) Quantification shows an increase in atosPBG in the pyruvate / glucose ratio ( p = 0 . 035 ) , but none for the lactate / glucose ratio ( p = 0 . 65 ) . Data information : Mean ± SEM , ns = p > 0 . 05 , * p < 0 . 05 , * * p < 0 . 01 , * * * * p < 0 . 0001 . unpaired t -

O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

Cellular metabolites were measured by LC-MS-based untargeted metabolomics from extracts of Stage 11 embryos; biological replicates for control n=5, for atosPBG n=7. (E) Quantification shows an increase in atosPBG in the pyruvate/glucose ratio (p=0.035), but none for the lactate/glucose ratio (p=0.65). Data information: Mean±SEM, ns=p>0.05, *p<0.05, **p<0.01, ****p<0.0001. unpaired t-test


Cellular metabolites were measured by LC - MS - based untargeted metabolomics from extracts of Stage 11 embryos ; biological replicates for control n = 5 , for atosPBG n = 7 . Heatmap of non - targeted metabolites in atosPBG compared to wild - type embryos shown with average log2fold change ( FC ) in the non - targeted LC - MS / MS analysis ( F ) We observe increases in atosPBG in intermediates of mitochondrial fatty acid β - oxidation ( FAO ) , including different carnitine - conjugated lipids , and ( F - G ) a significant increase in ketone body substituents compared to the control . Data information : Values in heat maps are obtained from untargeted metabolomic analysis , unpaired t -

O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

Cellular metabolites were measured by LC-MS-based untargeted metabolomics from extracts of Stage 11 embryos; biological replicates for control n=5, for atosPBG n=7. Heatmap of non-targeted metabolites in atosPBG compared to wild-type embryos shown with average log2fold change (FC) in the non-targeted LC-MS/MS analysis (F) We observe increases in atosPBG in intermediates of mitochondrial fatty acid β-oxidation (FAO), including different carnitine-conjugated lipids, and (F-G) a significant increase in ketone body substituents compared to the control. Data information: Values in heat maps are obtained from untargeted metabolomic analysis, unpaired t-test


( A ) Immunofluorescence microscopy for POMC ( green ) and Cre ( red ; n = 4 ) , ( B ) POMC ( green ) and Atg7 ( red ; n = 4 ) and ( C ) POMC ( green ) and p62 ( red ; n = 6 ) in MBH sections from Con and Atg7F / F ‐ POMC ‐ Cre ( KO )

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(A) Immunofluorescence microscopy for POMC (green) and Cre (red; n=4), (B) POMC (green) and Atg7 (red; n=4) and (C) POMC (green) and p62 (red; n=6) in MBH sections from Con and Atg7F/F‐POMC‐Cre (KO) mice


( D ) TUNEL ‐ positivity ( green ; n = 4 ) and ( E ) number of POMC ‐ positive neurons ( red ) in MBH sections from Con and KO mice ( n = 6 ) . Values are mean ± s . e . m . P values are as compared with diet ‐ and age ‐ matched controls . * P0 . 05 , * * * P0 . 001 . Nuclei are blue ( DAPI ) . Scale inset : 10 μm . White arrows indicate Atg7 , Cre , p62 or POMC signal . Yellow arrows indicate merged signal . Con , control ; DAPI , 4 ′ ‐ 6 ‐ diamidino ‐ 2 ‐ phenylindole ; KO , knockout ; MBH , mediobasal hypothalamic ; NS , not statistically significant ; POMC , proopiomelanocortin ; TUNEL , TdT ‐ mediated dUTP nick end labelling .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O

(D) TUNEL‐positivity (green; n=4) and (E) number of POMC‐positive neurons (red) in MBH sections from Con and KO mice (n=6). Values are mean±s.e.m. P values are as compared with diet‐ and age‐matched controls. *P0.05, ***P0.001. Nuclei are blue (DAPI). Scale inset: 10 μm. White arrows indicate Atg7, Cre, p62 or POMC signal. Yellow arrows indicate merged signal. Con, control; DAPI, 4′‐6‐diamidino‐2‐phenylindole; KO, knockout; MBH, mediobasal hypothalamic; NS, not statistically significant; POMC, proopiomelanocortin; TUNEL, TdT‐mediated dUTP nick end labelling.


( A ) Body wt of 4 ‐ mo ‐ and 12 ‐ mo ‐ old Con and KO mice on RD ( n = 9 - 13 ) or HFD ( n = 5 - 7 ) . ( B ) Total body fat and ( C ) lean mass of 4 ‐ mo ‐ old Con and KO mice on RD ( n = 7 ) and 12 ‐ mo ‐ old Con and KO mice on HFD ( n = 6 - 8 ) .

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(A) Body wt of 4‐mo‐ and 12‐mo‐old Con and KO mice on RD (n=9-13) or HFD (n=5-7). (B) Total body fat and (C) lean mass of 4‐mo‐old Con and KO mice on RD (n=7) and 12‐mo‐old Con and KO mice on HFD (n=6-8).


( D ) eWAT wt , ( E ) fat pads and ( F ) liver wt of 4 ‐ mo ‐ old Con and KO mice on RD ( n = 6 - 8 ) .

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(D) eWAT wt, (E) fat pads and (F) liver wt of 4‐mo‐old Con and KO mice on RD (n=6-8).


( G ) Immunoblots for POMC and ACTH , and ( H ) NPY in MBH from RD ‐ fed Con and KO mice ( n = 3 - 4 ) .

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(G) Immunoblots for POMC and ACTH, and (H) NPY in MBH from RD‐fed Con and KO mice (n=3-4).


( I ) Immunofluorescence microscopy for POMC ( green ) and α ‐ MSH ( red ) , and ( J ) α ‐ MSH ( green ) in MBH from Con and KO mice on RD ( n = 5 ) . Values are mean ± s . e . m . P values are as compared with diet ‐ and age ‐ matched controls . * P0 . 05 , * * P0 . 01 , * * * P0 . 001 . Nuclei are blue ( DAPI ) . Scale inset : 10 μm . Yellow arrows indicate merged signal . ACTH , adrenocorticotrophic hormone ; Con , control ; DAPI , 4 ′ ‐ 6 ‐ diamidino ‐ 2 ‐ phenylindole ; eWAT , epididymal fat ; HDF , high ‐ fat diet ; KO , knockout ; MBH , mediobasal hypothalamic ; mo , month ; MSH , melanocyte ‐ stimulating hormone ; NPY , neuropeptide Y ; POMC , proopiomelanocortin ; RD , regular chow ; wt , weight .

O O O O O O B-MEASURED_VAR O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

(I) Immunofluorescence microscopy for POMC (green) and α‐MSH (red), and (J) α‐MSH (green) in MBH from Con and KO mice on RD (n=5). Values are mean±s.e.m. P values are as compared with diet‐ and age‐matched controls. *P0.05, **P0.01, ***P0.001. Nuclei are blue (DAPI). Scale inset: 10 μm. Yellow arrows indicate merged signal. ACTH, adrenocorticotrophic hormone; Con, control; DAPI, 4′‐6‐diamidino‐2‐phenylindole; eWAT, epididymal fat; HDF, high‐fat diet; KO, knockout; MBH, mediobasal hypothalamic; mo, month; MSH, melanocyte‐stimulating hormone; NPY, neuropeptide Y; POMC, proopiomelanocortin; RD, regular chow; wt, weight.


( A ) Percent loss of body fat and ( B ) lean mass in 24 ‐ h ‐ fasted Con and KO mice on RD or HFD ( n = 6 - 8 ) .

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(A) Percent loss of body fat and (B) lean mass in 24‐h‐fasted Con and KO mice on RD or HFD (n=6-8).


( C ) Histology for eWAT from fed or 6 ‐ h ‐ fasted Con and KO mice on RD ( n = 3 - 4 ) .

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(C) Histology for eWAT from fed or 6‐h‐fasted Con and KO mice on RD (n=3-4).


( D ) Serum fatty acids and ( E ) glycerol from fed or 6 ‐ h ‐ fasted Con and KO mice on RD ( n = 7 - 9 ) .

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(D) Serum fatty acids and (E) glycerol from fed or 6‐h‐fasted Con and KO mice on RD (n=7-9).


( F ) Serum fatty acids and ( G ) glycerol after intraperitoneal isoproterenol ( Iso ) in 6 ‐ h ‐ fasted Con and KO mice on RD ( n = 5 - 6 ) .

(F) Serum fatty acids and (G) glycerol after intraperitoneal isoproterenol (Iso) in 6‐h‐fasted Con and KO mice on RD (n=5-6).


( H ) Immunoblot for oxidized proteins in eWAT from RD ‐ fed Con and KO mice ( n = 3 ) . ( I ) FACS analysis for M1 and M2 macrophage proportions in adipose stromal vascular fractions from fed Con and KO mice on RD ( n = 3 ) . Values are mean ± s . e . m . P values are as compared with diet ‐ and age ‐ matched controls . * P0 . 05 , * * P0 . 01 , * * * P0 . 001 . Con , control ; eWAT , epididymal fat ; FACS , fluorescence ‐ activated cell sorting ; HDF , high ‐ fat diet ; Iso , isoproterenol ; KO , knockout ; POMC , proopiomelanocortin ; RD , regular chow ; Stv , fasted .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

(H) Immunoblot for oxidized proteins in eWAT from RD‐fed Con and KO mice (n=3). (I) FACS analysis for M1 and M2 macrophage proportions in adipose stromal vascular fractions from fed Con and KO mice on RD (n=3). Values are mean±s.e.m. P values are as compared with diet‐ and age‐matched controls. *P0.05, **P0.01, ***P0.001. Con, control; eWAT, epididymal fat; FACS, fluorescence‐activated cell sorting; HDF, high‐fat diet; Iso, isoproterenol; KO, knockout; POMC, proopiomelanocortin; RD, regular chow; Stv, fasted.


( A ) Blood glucose levels in 6 mo ( n = 7 - 9 ) and ( B ) 12 mo Con and KO mice on RD ( n = 6 ) , and in ( C ) 12 ‐ mo ‐ old Con and KO mice on HFD ( n = 4 ) .

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(A) Blood glucose levels in 6 mo (n=7-9) and (B) 12 mo Con and KO mice on RD (n=6), and in (C) 12‐mo‐old Con and KO mice on HFD (n=4).


( D ) Serum insulin levels in 6 mo , ( n = 7 - 9 ) and ( E ) 12 ‐ mo ‐ old RD ‐ fed Con and KO mice that were fed or 6 h fasted ( n = 6 ) .

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(D) Serum insulin levels in 6 mo, (n=7-9) and (E) 12‐mo‐old RD‐fed Con and KO mice that were fed or 6 h fasted (n=6).


( F ) HOMA values from 6 ‐ h ‐ fasted 6 ‐ mo ‐ old ( n = 7 - 9 ) and ( G ) 12 ‐ mo ‐ old Con and KO mice ( n = 6 ) on RD . ( H ) Glucose tolerance tests in 6 ‐ h ‐ fasted 6 ‐ mo ‐ old mice on RD ( n = 4 ) and in ( I ) 6 ‐ h ‐ fasted 12 ‐ mo ‐ old Con and KO mice fed HFD for 10 mo ( n = 4 ) .

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(F) HOMA values from 6‐h‐fasted 6‐mo‐old (n=7-9) and (G) 12‐mo‐old Con and KO mice (n=6) on RD. (H) Glucose tolerance tests in 6‐h‐fasted 6‐mo‐old mice on RD (n=4) and in (I) 6‐h‐fasted 12‐mo‐old Con and KO mice fed HFD for 10 mo (n=4).


( J ) Insulin tolerance tests in RD ‐ fed 6 ‐ mo ‐ old ( n = 4 ) and ( K ) HFD ‐ fed 12 ‐ mo ‐ old Con and KO mice ( n = 4 ) .

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(J) Insulin tolerance tests in RD‐fed 6‐mo‐old (n=4) and (K) HFD‐fed 12‐mo‐old Con and KO mice (n=4).


( L ) Insulin tolerance tests and ( M ) body weights of 1 ‐ mo ‐ old Con and KO mice on RD ( n = 3 - 5 ) . Values are mean ± s . e . m . P values are as compared with diet ‐ and age ‐ matched controls . * P0 . 05 , * * P0 . 01 , * * * P0 . 001 . Con , control ; HDF , high ‐ fat diet ; HOMA , homeostasis model of insulin resistance ; KO , knockout ; mo , month ; POMC , proopiomelanocortin ; RD , regular chow ; Stv , fasted .

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(L) Insulin tolerance tests and (M) body weights of 1‐mo‐old Con and KO mice on RD (n=3-5). Values are mean±s.e.m. P values are as compared with diet‐ and age‐matched controls. *P0.05, **P0.01, ***P0.001. Con, control; HDF, high‐fat diet; HOMA, homeostasis model of insulin resistance; KO, knockout; mo, month; POMC, proopiomelanocortin; RD, regular chow; Stv, fasted.


( A ) Immunoblots for Atg7 in MBH from young ( 3 mo ) , middle ‐ aged ( 12 mo ) and aged ( 22 mo ) fed and 6 ‐ h ‐ fasted ( Stv ) mice ( n = 4 ) , and ( B ) LC3 ‐ II in MBH explants from 3 mo and 22 mo fed mice in presence or absence of lysosomal inhibitors ( Inh ) ( n = 11 - 13 ) . Mean ± s . e . m values for ( B ) steady ‐ state LC3 ‐ II and ( C ) LC3 ‐ II flux are shown ( n = 11 - 13 ) .

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(A) Immunoblots for Atg7 in MBH from young (3 mo), middle‐aged (12 mo) and aged (22 mo) fed and 6‐h‐fasted (Stv) mice (n=4), and (B) LC3‐II in MBH explants from 3 mo and 22 mo fed mice in presence or absence of lysosomal inhibitors (Inh) (n=11-13). Mean±s.e.m values for (B) steady‐state LC3‐II and (C) LC3‐II flux are shown (n=11-13).


( D ) Immunoblots for p62 and NBR1 flux in MBH from 3 mo and 22 mo fed mice in presence or absence of Inh ( n = 11 - 13 ) .

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(D) Immunoblots for p62 and NBR1 flux in MBH from 3 mo and 22 mo fed mice in presence or absence of Inh (n=11-13).


( E ) Immunofluorescence microscopy for POMC ( green ) and p62 ( red ) ( n = 4 ) , ( F ) immunoblots for POMC and ACTH ( n = 4 ) , and ( G ) immunofluorescence for α ‐ MSH in MBH from 3 mo and 22 mo mice on RD ( n = 4 ) .

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(E) Immunofluorescence microscopy for POMC (green) and p62 (red) (n=4), (F) immunoblots for POMC and ACTH (n=4), and (G) immunofluorescence for α‐MSH in MBH from 3 mo and 22 mo mice on RD (n=4).


( H ) Body wt and ( I ) eWAT wt of 3 ‐ mo ‐ and 22 ‐ mo ‐ old mice on RD ( n = 9 - 13 ) .

(H) Body wt and (I) eWAT wt of 3‐mo‐ and 22‐mo‐old mice on RD (n=9-13).


( J ) Serum fatty acids and ( K ) glycerol from fed or 6 ‐ h ‐ fasted ( Stv ) 3 mo and 22 mo mice ( n = 7 - 9 ) , and ( L , M ) after intraperitoneal Iso in 6 ‐ h ‐ fasted 3 mo and 22 mo mice ( n = 5 - 6 ) .

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(J) Serum fatty acids and (K) glycerol from fed or 6‐h‐fasted (Stv) 3 mo and 22 mo mice (n=7-9), and (L,M) after intraperitoneal Iso in 6‐h‐fasted 3 mo and 22 mo mice (n=5-6).


( N ) Immunoblots for adipose triglyceride lipase ( ATGL ) in eWAT from 3 mo and 22 mo mice . Values are mean ± s . e . m . P values are as compared with controls . * P0 . 05 , * * P0 . 01 , * * * P0 . 001 . Nuclei are blue ( DAPI ) . Scale inset : 10 μm . Yellow arrows indicate merged signal . ACTH , adrenocorticotrophic hormone ; Con , control ; eWAT , epididymal fat ; Iso , isoproterenol ; MBH , mediobasal hypothalamic ; mo , months ; MSH , melanocyte ‐ stimulating hormone ; POMC , proopiomelanocortin ; RD , regular chow ; wt , weight .

O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

(N) Immunoblots for adipose triglyceride lipase (ATGL) in eWAT from 3 mo and 22 mo mice. Values are mean±s.e.m. P values are as compared with controls. *P0.05, **P0.01, ***P0.001. Nuclei are blue (DAPI). Scale inset: 10 μm. Yellow arrows indicate merged signal. ACTH, adrenocorticotrophic hormone; Con, control; eWAT, epididymal fat; Iso, isoproterenol; MBH, mediobasal hypothalamic; mo, months; MSH, melanocyte‐stimulating hormone; POMC, proopiomelanocortin; RD, regular chow; wt, weight.


Dose - dependent viability assays of BRCA2 - proficient ( + BRCA2 ) or - deficient ( - BRCA2 ) human DLD1 cells treated with drugs at the indicated concentrations for six days .

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Dose-dependent viability assays of BRCA2-proficient (+BRCA2) or -deficient (-BRCA2) human DLD1 cells treated with drugs at the indicated concentrations for six days.


Human spheroids established from BRCA2 - proficient ( + BRCA2 ) or - deficient ( - BRCA2 ) DLD1 cells , were incubated with 1 . 25 µM olaparib or 0 . 5 µM chlorambucil over the indicated period of time .

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Human spheroids established from BRCA2-proficient (+BRCA2) or -deficient (-BRCA2) DLD1 cells, were incubated with 1.25 µM olaparib or 0.5 µM chlorambucil over the indicated period of time.


Dose - dependent viability assays of BRCA1 - proficient ( + BRCA1 ) or - deficient ( - BRCA1 ) human RPE1 - hTERT cells treated with drugs at the indicated concentrations for six days .

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Dose-dependent viability assays of BRCA1-proficient (+BRCA1) or -deficient (-BRCA1) human RPE1-hTERT cells treated with drugs at the indicated concentrations for six days.


Dose - dependent viability assays of BRCA1 - proficient ( + BRCA1 ) or - deficient ( - BRCA1 ) TP53 - deleted cells treated with drugs at the indicated concentrations for six days .

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Dose-dependent viability assays of BRCA1-proficient (+BRCA1) or -deficient (-BRCA1) TP53-deleted cells treated with drugs at the indicated concentrations for six days.


Dose - dependent viability assays of Brca1 + / + and Brca1 - / - mouse mammary tumour - derived cell lines treated with drugs at the indicated concentrations for six days .

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Dose-dependent viability assays of Brca1+/+ and Brca1-/- mouse mammary tumour-derived cell lines treated with drugs at the indicated concentrations for six days.


Dose - dependent viability assays of BRCA2 - deficient ( Capan - 1 ) or - proficient ( MIA PaCa - 2 ) human pancreatic carcinoma - derived cells treated with drugs at the indicated concentrations for six days .

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Dose-dependent viability assays of BRCA2-deficient (Capan-1) or -proficient (MIA PaCa-2) human pancreatic carcinoma-derived cells treated with drugs at the indicated concentrations for six days.


Dose - dependent viability assays of BRCA2 - deficient ( PEO1 ) or - proficient ( C4 - 2 ) human ovarian tumour - derived cells treated with drugs at the indicated concentrations for six days .

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Dose-dependent viability assays of BRCA2-deficient (PEO1) or -proficient (C4-2) human ovarian tumour-derived cells treated with drugs at the indicated concentrations for six days.


BRCA2 - deficient ( PEO1 ) or - proficient ( C4 - 2 ) human ovarian tumour - derived cells were infected with lentiviruses expressing control or CHD4 shRNAs , followed by selection with puromycin for 72 hours . Dose - dependent viability assays were performed on cells treated with drugs at the indicated concentrations for six days .

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BRCA2-deficient (PEO1) or -proficient (C4-2) human ovarian tumour-derived cells were infected with lentiviruses expressing control or CHD4 shRNAs, followed by selection with puromycin for 72 hours. Dose-dependent viability assays were performed on cells treated with drugs at the indicated concentrations for six days.


BRCA2 - proficient ( + BRCA2 ) or - deficient ( - BRCA2 ) human DLD1 cells were incubated with 1 µM chlorambucil ( Chl ) . Whole cell extracts prepared at the indicated time points during treatment were immunoblotted as shown . GAPDH was used as a loading control .

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BRCA2-proficient (+BRCA2) or -deficient (-BRCA2) human DLD1 cells were incubated with 1 µM chlorambucil (Chl). Whole cell extracts prepared at the indicated time points during treatment were immunoblotted as shown. GAPDH was used as a loading control.


Quantification of chromosome aberrations and chromatid / chromosome break frequencies in BRCA2 - proficient ( + BRCA2 ) or - deficient ( - BRCA2 ) human DLD1 cells incubated with 1 μM chlorambucil or 1 µM cisplatin for 72 h . Data were obtained from three independent experiments and normalised to untreated controls . A minimum of 60 Giemsa - stained metaphases were analysed for each sample . Cis , cisplatin ; Chl , chlorambucil .

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Quantification of chromosome aberrations and chromatid/chromosome break frequencies in BRCA2-proficient (+BRCA2) or -deficient (-BRCA2) human DLD1 cells incubated with 1 μM chlorambucil or 1 µM cisplatin for 72 h. Data were obtained from three independent experiments and normalised to untreated controls. A minimum of 60 Giemsa-stained metaphases were analysed for each sample. Cis, cisplatin; Chl, chlorambucil.


Quantification of G2 / M cell frequency relative to solvent control , using FACS analyses of cells incubated with 1 μM chlorambucil or 1 µM cisplatin for 48 hours . Cis , cisplatin ; Chl , chlorambucil .

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Quantification of G2/M cell frequency relative to solvent control, using FACS analyses of cells incubated with 1 μM chlorambucil or 1 µM cisplatin for 48 hours. Cis, cisplatin; Chl, chlorambucil.


Human H1299 cells were treated with control ( CTR ) or indicated siRNAs two days before drugs were added to the media for dose - dependent viability assays . Cell extracts prepared at the time of drug addition were immunoblotted as indicated . SMC1 was used as a loading control .

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Human H1299 cells were treated with control (CTR) or indicated siRNAs two days before drugs were added to the media for dose-dependent viability assays. Cell extracts prepared at the time of drug addition were immunoblotted as indicated. SMC1 was used as a loading control.


Nude mice ( nu / nu ) were injected subcutaneously with 5 x 106 human DLD1 cells , BRCA2 - proficient ( A ) or BRCA2 - deficient ( B ) . Tumour - bearing mice were treated with 3 mg / kg daily chlorambucil administered intraperitoneally ( i . p . ) for a total of ten days . Tumour weight was determined on the indicated days after initiation of the treatment .

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Nude mice (nu/nu) were injected subcutaneously with 5 x 106 human DLD1 cells, BRCA2-proficient (A) or BRCA2-deficient (B). Tumour-bearing mice were treated with 3 mg/kg daily chlorambucil administered intraperitoneally (i.p.) for a total of ten days. Tumour weight was determined on the indicated days after initiation of the treatment.


PDTCs derived from breast cancer samples as previously described ( Bruna et al , 2016 ) were treated with chlorambucil at the indicated doses . Cell survival is represented relative to DMSO control . AB521 , ER - negative tumour , no BRCA1 alteration ; STG201 , tumour with BRCA1 promoter methylation and loss of BRCA1 expression ; VHIO179 , tumour with BRCA1 germline mutation and MAD2L2 inactivating mutation ( olaparib - resistant )

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PDTCs derived from breast cancer samples as previously described (Bruna et al, 2016) were treated with chlorambucil at the indicated doses. Cell survival is represented relative to DMSO control. AB521, ER-negative tumour, no BRCA1 alteration; STG201, tumour with BRCA1 promoter methylation and loss of BRCA1 expression; VHIO179, tumour with BRCA1 germline mutation and MAD2L2 inactivating mutation (olaparib-resistant)


CB17 / SCID mice were injected intramuscularly with 5 x 106 human BRCA2 - deficient HCT116 cells . Tumour - bearing mice were treated on the indicated days with chlorambucil or cisplatin administered intraperitoneally ( i . p . ) , or talazoparib administered orally ( o . s . ) Tumour volume was measured on the indicated days after treatment initiation and was expressed relative to tumour volume at the beginning of treatment ( day 1 ) . Scale bar , 40 µm . Each experimental group included n = 5 mice . Error bars represent SEM . Tumour sections were assessed at the end of each treatment using immunohistochemistry of γH2AX staining .

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CB17/SCID mice were injected intramuscularly with 5 x 106 human BRCA2-deficient HCT116 cells. Tumour-bearing mice were treated on the indicated days with chlorambucil or cisplatin administered intraperitoneally (i.p.), or talazoparib administered orally (o.s.) Tumour volume was measured on the indicated days after treatment initiation and was expressed relative to tumour volume at the beginning of treatment (day 1). Scale bar, 40 µm. Each experimental group included n = 5 mice. Error bars represent SEM. Tumour sections were assessed at the end of each treatment using immunohistochemistry of γH2AX staining.


Wild type Balb / c mice were injected intra - peritoneally with solvent ( daily ) or 3 mg / kg chlorambucil ( daily for 5 days ) or 3 . 3 mg / kg cisplatin ( daily for 3 days ) . Uptake of the apoptosis tracer 99mTc - Duramycin 2 h after intra - venous injection was quantified in selected organs using SPECT imaging in the indicated organs . Representative maximum intensity partial projections showing tracer distribution are shown .

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Wild type Balb/c mice were injected intra-peritoneally with solvent (daily) or 3 mg/kg chlorambucil (daily for 5 days) or 3.3 mg/kg cisplatin (daily for 3 days). Uptake of the apoptosis tracer 99mTc-Duramycin 2 h after intra-venous injection was quantified in selected organs using SPECT imaging in the indicated organs. Representative maximum intensity partial projections showing tracer distribution are shown.


Immunohistochemical analyses of γH2AX staining in organs from mice treated as in A . Scale bar , 25 µm .

Immunohistochemical analyses of γH2AX staining in organs from mice treated as in A. Scale bar, 25 µm.


B WT HeLa cells were incubated with HPG for 30 minutes in the presence or absence of Harr and / or Chloramphenicol ( Chl ) . After fixation , AF647 - azide ( magenta ) was used for click reaction ( see A ) , and cells were immunostained for TOM20 as mitochondrial marker ( green ) . Representative epifluorescent microscopy images are shown . Magenta images shown in the presence of only Chl and in the absence of both inhibitors ( none ) are presented at lower brightness level than the other panels , duo to their very strong intensities . An inset of Harr panel is zoomed in the panel below for better visualization . Met , methionine . Scale bars , 50 µm and 10 µm for the zoom panel .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

B WT HeLa cells were incubated with HPG for 30 minutes in the presence or absence of Harr and/or Chloramphenicol (Chl). After fixation, AF647-azide (magenta) was used for click reaction (see A), and cells were immunostained for TOM20 as mitochondrial marker (green). Representative epifluorescent microscopy images are shown. Magenta images shown in the presence of only Chl and in the absence of both inhibitors (none) are presented at lower brightness level than the other panels, duo to their very strong intensities. An inset of Harr panel is zoomed in the panel below for better visualization. Met, methionine. Scale bars, 50 µm and 10 µm for the zoom panel.


A Mitochondrial translation products were labeled in WT HeLa cells for indicated time lengths ( heat map ) and cells immunostained for TOM20 ( gray ) . Representative confocal images are shown for each time point . The same 5 - minute image was used in both rows with different brightness as a reference for intensity comparison of the other time points in the row . Scale bars , 10 µm . Mitochondrial protein synthesis was quantified over time . 30 cells from N = 3 independent experiments were analyzed for each time point ( Average of the HPG intensity in the mitochondrial area was calculated and the baseline was set to zero by subtracting the value of time point 0 from all the values . Error bars , + / - SEM ) . A hyperbolic graph was fitted to the data . R - squared , 0 . 97 .

O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

A Mitochondrial translation products were labeled in WT HeLa cells for indicated time lengths (heat map) and cells immunostained for TOM20 (gray). Representative confocal images are shown for each time point. The same 5-minute image was used in both rows with different brightness as a reference for intensity comparison of the other time points in the row. Scale bars, 10 µm. Mitochondrial protein synthesis was quantified over time. 30 cells from N = 3 independent experiments were analyzed for each time point (Average of the HPG intensity in the mitochondrial area was calculated and the baseline was set to zero by subtracting the value of time point 0 from all the values. Error bars, +/- SEM). A hyperbolic graph was fitted to the data. R-squared, 0.97.


B As in A , Mitochondrial translation products were labeled for increasing time ( 10 and 20 minutes ) in HeLa cells . The number of analyzed cells was increased in the plots from 25 to 300 per time point . 150 or 300 random cells from N = 3 independent experiments were analyzed . Kruskal - Wallis followed by Fisher ' s test . * * * * p < 0 . 0001 . Error bars , + / - SEM .

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B As in A, Mitochondrial translation products were labeled for increasing time (10 and 20 minutes) in HeLa cells. The number of analyzed cells was increased in the plots from 25 to 300 per time point. 150 or 300 random cells from N = 3 independent experiments were analyzed. Kruskal-Wallis followed by Fisher's test. ****p < 0.0001. Error bars, +/- SEM.


C Mitochondrial translation products were labeled for 30 minutes and clicked with AF647 ( magenta ) and cells immunostained for TOM20 ( green ) in fibroblasts , iPSCs - derived cardiomyocytes , and hippocampal neurons . Representative epifluorescent microscopy images are shown . The correlation of HPG and TOM20 channels is represented in fire lookup table , after calculating the Pearson Correlation values over each pixel of the images . Scale bars , 25 µm .

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C Mitochondrial translation products were labeled for 30 minutes and clicked with AF647 (magenta) and cells immunostained for TOM20 (green) in fibroblasts, iPSCs-derived cardiomyocytes, and hippocampal neurons. Representative epifluorescent microscopy images are shown. The correlation of HPG and TOM20 channels is represented in fire lookup table, after calculating the Pearson Correlation values over each pixel of the images. Scale bars, 25 µm.


A Mitochondrial translation products were labeled using a FUNCAT approach and [ 35S ] Met labeling in control and TSFM patient fibroblasts . Representative epifluorescent microscopy and the autoradiography images are shown . Scale bars , 50 µm . Changes in mitochondrial protein synthesis were quantified for both approaches . For microscopy image analysis , > 300 cells from N = 3 independent experiments were analyzed for each cell type . Mann - Whitney U test , * * * * p < 0 . 0001 . For radiolabeling analyses , N = 3 independent samples were quantified for each cell type . Student t test , * * p < 0 . 01 . Error bars , + / - SEM . B As in A using control and COA6 KO HEK cells . Scale bars , 25 µm . For microscopy image analysis , * * * * p < 0 . 0001 , and for radiolabeling experiments , * p < 0 . 05 were calculated . Error bars , + / - SEM .

O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

A Mitochondrial translation products were labeled using a FUNCAT approach and [35S]Met labeling in control and TSFM patient fibroblasts. Representative epifluorescent microscopy and the autoradiography images are shown. Scale bars, 50 µm. Changes in mitochondrial protein synthesis were quantified for both approaches. For microscopy image analysis, >300 cells from N = 3 independent experiments were analyzed for each cell type. Mann-Whitney U test, ****p < 0.0001. For radiolabeling analyses, N =3 independent samples were quantified for each cell type. Student t test, **p < 0.01. Error bars, +/- SEM. B As in A using control and COA6 KO HEK cells. Scale bars, 25 µm. For microscopy image analysis, ****p < 0.0001, and for radiolabeling experiments, *p < 0.05 were calculated. Error bars, +/- SEM.


A Mitochondrial translation products were labeled with HPG in hippocampal neurons , immunostained for ANK - G ( initial axon segment ) , and plasma membrane was stained with DiO . Representative epifluorescent images and zoomed insets of neural branches are shown . In both axon ( ANK - G positive , arrow ) and dendrite ( star ) , HPG incorporation revealing mitochondrial protein synthesis was detected . Scale bars , 20 µm .

O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O

A Mitochondrial translation products were labeled with HPG in hippocampal neurons, immunostained for ANK-G (initial axon segment), and plasma membrane was stained with DiO. Representative epifluorescent images and zoomed insets of neural branches are shown. In both axon (ANK-G positive, arrow) and dendrite (star), HPG incorporation revealing mitochondrial protein synthesis was detected. Scale bars, 20 µm.


B Representative confocal images of a dendrite ( top ) and an axon ( bottom ) in which mitochondrial translation products were labeled with HPG ( magenta ) . HOMER1 and VGLUT1 were used as post - and presynapse markers , respectively ( green ) and DiO stained randomly neurites ( gray ) . In each neurite , an exemplary region was selected and the DiO was outlined to mark the outer edge of the region . As a control , cells were treated with Chloramphenicol ( Chl ) to inhibit mitochondrial translation . Scale bars , 5 µm .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

B Representative confocal images of a dendrite (top) and an axon (bottom) in which mitochondrial translation products were labeled with HPG (magenta). HOMER1 and VGLUT1 were used as post- and presynapse markers, respectively (green) and DiO stained randomly neurites (gray). In each neurite, an exemplary region was selected and the DiO was outlined to mark the outer edge of the region. As a control, cells were treated with Chloramphenicol (Chl) to inhibit mitochondrial translation. Scale bars, 5 µm.


Confirmation of peptide entry into neurons . Cultures were incubated with Bio - TMyc ( 25 µM , 1 h ) ( panel b ) or left untreated ( panel a ) . Arrowheads highlight peptide permeability , detected by fluorescein Avidin D ( green ) , into neurons labeled with neuronal - specific antibody NeuN ( red ) . Peptide is not detected in some neurons ( arrow ) and non - neuronal cells ( asterisk ) . Confocal microscopy images correspond to single sections and are representative of five independent experiments . Scale bar , 10 μm .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

Confirmation of peptide entry into neurons. Cultures were incubated with Bio-TMyc (25 µM, 1 h) (panel b) or left untreated (panel a). Arrowheads highlight peptide permeability, detected by fluorescein Avidin D (green), into neurons labeled with neuronal-specific antibody NeuN (red). Peptide is not detected in some neurons (arrow) and non-neuronal cells (asterisk). Confocal microscopy images correspond to single sections and are representative of five independent experiments. Scale bar, 10 μm.


Effect of TMyc on neuronal survival . Primary cultures were incubated with TMyc ( 5 , 15 or 25 μM , 30 min ) and subjected to treatment with NMDA ( 100 µM ) and glycine ( 10 µM ) for 4 h . Specific neuronal viability was established and expressed relative to values in cultures with no treatment . Means ± SEM are represented ( n = 8 ) and statistical analysis was performed by ANOVA test followed by post - hoc Tukey HSD test .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

Effect of TMyc on neuronal survival. Primary cultures were incubated with TMyc (5, 15 or 25 μM, 30 min) and subjected to treatment with NMDA (100 µM) and glycine (10 µM) for 4 h. Specific neuronal viability was established and expressed relative to values in cultures with no treatment. Means ± SEM are represented (n = 8) and statistical analysis was performed by ANOVA test followed by post-hoc Tukey HSD test.