Journal: eLife
Article Title: Sex-specific resilience of neocortex to food restriction
doi: 10.7554/eLife.93052
Figure Lengend Snippet: ( A ) Animal weight across time. ( B ) Daily food intake (two-way analysis of variance [ANOVA]: CTR male vs. FR male; t = 4.81; df = 25; p < 0.0001; CTR male vs. CTR female; t = 0.013; df = 25; p = 0.99; CTR female vs. FR female; t = 6.59; df = 25; p < 0.0001; FR male vs. FR female; t = 1.93; df = 25; p = 0.07; n = 8 CTR males, 8 FR males, 7 CTR females, and 7 FR females). Percent reduction of food intake for food restriction is shown in red for each sex. ( C ) Animal weight (two-way ANOVA: CTR male vs. FR male; t = 11.36; df = 25; p < 0.0001; CTR female vs. FR female; t = 8.36; df = 25; p < 0.0001; n = 17 CTR males and 19 FR males; 23 CTR females and 11 FR females). ( D ) Serum leptin levels (two-way ANOVA: CTR male vs. FR male; t = 4.58; df = 66; p < 0.0001; CTR females vs. FR females; t = 1.00; df = 66; p = 0.32; n = 17 CTR males and 19 FR males; 23 CTR females and 11 FR females). ( E ) Left: AMP-activated protein kinase (AMPK) Thr172 phosphorylation, normalized by total AMPK, in primary visual cortex (V1) tissue (two-way ANOVA: CTR male vs. FR male; t = 2.28; df = 39; p = 0.022; CTR female vs. FR female; t = 0.64; df = 39; p = 0.11; n = 11 CTR males, 15 FR males, 11 CTR females, and 6 FR females). Right: Peroxisome proliferator-activated receptor alpha (PPARα) activity in V1 tissue, as assessed by levels of DNA binding, normalized to protein level (two-way ANOVA: CTR male vs. FR male; t = 4.81; df = 30; p = 0.013; CTR female vs. FR female; t = 0.0016; df = 30; p = 0.99; n = 5 CTR males, 11 FR males, n = 9 CTR females, and 9 FR females). ***p < 0.0001; *p < 0.05; n.s. = not significant. Error bars are standard error of the mean (SEM).
Article Snippet: Levels of total AMPK, phosphorylated AMPK (Thr172), and nuclear PPARα in V1 were measured using ELISA kits according to the manufacturer’s instructions (total AMPK: ab181422, Abcam, UK; phosphorylated AMPK: KHO0651, Thermo Fisher, UK; PPARα: ab133107, Abcam, UK).
Techniques: Phospho-proteomics, Activity Assay, Binding Assay