The Obesity Susceptibility Gene Carboxypeptidase E Links FoxO1 Signaling in Hypothalamic Pro opiomelanocortin Neurons with Regulation of Food Intake

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1 Plum et al., Supplementary online material The Oesity Suseptiility Gene Caroxypeptidase E Links FoxO1 Signaling in Hypothalami Pro opiomelanoortin Neurons with Regulation of Food Intake Leona Plum, Hua V. Lin, Roxanne Dutia, Jun Tanaka, Kumiko S. Aizawa, Mihihiro Matsumoto, Andrea J. Kim, Niamh X. Cawley, Ji Hye Paik, Y. Peng Loh, Ronald A. DePinho, Sharon L. Wardlaw and Domenio Aili SI Guide Six Supplementary Figures One Supplementary Tale

2 Plum et al., Supplementary online material Supplementary Figure Legends Supplementary Figure 1 POMC neuron-speifi FoxO1 alation. (a) Representative hypothalami GFP immunohistohemistry in Cre-Gt(ROSA)26Sor tm2sho mie. 3V: third ventrile. () Foxo1 and Cre genotyping. Arrows indiate loxp-flanked (flox, lower arrow) and reomined (, upper arrow) Foxo1 alleles. Pi: pituitary; Hy: medioasal hypothalamus; Bs: rainstem; Cx: ortex; C: ereellum; Li: liver; Pa: panreas; Wa: white adipoyte; Ba: rown adipoyte; Sm: skeletal musle; Co: ontrol. () Relative pituitary Foxo1 expression in adult mie (n = 6). (d) MBH and Agrp promoter ChIP. (e) Relative expression in pituitary of mie in (). (f) Serum ortiosterone levels in adult mie in the asal state and after 1-h restraint stress (females only) (n = 6). Data are presented as means ± SEM. = P <5; = P 1 y t-test. Supplementary Figure 2 Body length and ody mass index. (a) Body mass index (BMI) of NCD fed, 18-week-old female (n = 4 71) and () male (n = 35 67) mie. (, d) Naso-anal ody length of mie in (a, ). Data are presented as means ± SEM. = P 1; = P 1 y unpaired t-test. Supplementary Figure 3 Energy expenditure and food intake. (a) Energy expenditure, plotted as 1-h running averages, () average energy expenditure during the light/day and dark/night phase, () total loomotion in the age periphery, (d) respiratory quotient (RQ), and (e) perentage of NCD ingested during the light (light grey) and dark (dark grey) phase in adult male mie (n = 8).

3 Plum et al., Supplementary online material Supplementary Figure 4 POMC neuron ounts and neuropeptide mrna levels. (a) POMC neuron numers in 15-week-old male mie (n = 9). () Ad liitum (n = 5) and () refed (n = 14 17) MBH mrna expression in 18 week old male mie. Data represent mean ± SEM and are normalized y At levels. = P <5 y t-test. Supplementary Figure 5 MBH neuropeptide mrna and peptide expression. (a) levels in 3 to 4 week old mie (n = 4 6) and () in 4 to 5 week-old (n = 3 4) refed mie. () Agrp and in ad liitum-fed (n = 5) and (d) refed (n = 14 17) 18 week old male mie. (e, f) Agrp/ ratios in the animals shown in (, d). Data represent mean ± SEM. mrna levels (ut not ratios) are normalized y average neuron numer in eah genotype. = P <5 y unpaired t-test. Supplementary Figure 6 Psk2 expression and ghrelin levels. (a) MBH Psk2 in refed male mie (n = 14 15). Data are normalized y At levels. () Western lot of the 64 66kDa P2 isoform in MBH extrats of refed male mie. Atin was used as loading ontrol. () Serum ghrelin levels in adult male mie. Samples were otained one hour efore lights off (n = 7). Data are presented as means ± SEM.

4 a pi hy s x li pa wa a sm o Foxo1 flox Cre IP IgG 1..8 FoxO1 input.6.4 Agrp.2 f KO KO -Foxo1 / Pituitary mrna (aritrary units) e d Cortiosterone (ng ml 1) Foxo1 mrna (aritrary units) 3V -Foxo1 / KO asal asal stress Plum, Supplementary Figure 1

5 a Body mass index (g per m ) P=.661 Body mass index (g per m ) d 1.85 Body length (m) Body length (m) P= Foxo1 / 1.6 -Foxo1 / Plum, Supplementary Figure 2

6 a Energy expenditure (W per kg) Foxo1 / NIGHT DAY Energy expenditure (W per kg) KO KO Night Day Time (min) Loomotor ativity (ounts) d RQ KO KO KO KO -Foxo1 / Night Day Night Day e Food intake (%) Plum, Supplementary Figure 3

7 a -expressing ARC Cells Foxo1 / P=.949 n=9 n=9 -Foxo1 / 1.6 Relative MBH mrna (aritrary units) Agrp Relative MBH mrna (aritrary units) Agrp Plum. Supplementary Figure 4

8 a mrna (aritrary units) ad liitum mrna (aritrary units) h refed -Foxo1 / mrna per ell (AU) ad liitum Agrp d mrna per ell (AU) h refed Agrp e.25 ad liitum f 25 6 h refed MBH mrna Ratio MBH mrna Ratio Agrp/ Agrp/ Plum, Supplementary Figure 5

9 a 6 h refed Psk2 mrna (AU).8.4 -Foxo1 / -Foxo1 / IB: P2 IB: At 64-66kDa 42kDa Serum ghrelin (ng/ml) P=.6 -Foxo1 / Plum, Supplementary Figure 6

10 Plum et al., Supplementary online material Supplementary Tale 1 Neuropeptide levels in MBH of refed mie Peptide -Foxo1 / ACTH 166 ± ± 14 POMC 22 ± ± 16 EP 555 ± ± 32 MSH 36 ± 2 39 ± 2 AgRP 343 ± ± 18 POMC/ MSH.75 ± 6.66 ± 6 Data are presented as mean fmol/mg protein ± SEM (n = 13 18), P = NS.

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