Hypothalamic expression of Ctbp2 (a), Ccne1 (b), Carf (c), Nbeal1 (d), or in response to fasting for 12, 24 or 36 h, and after re-feeding for 6 h with either a high-fat diet (HFD) or a fat-free diet (FFD, N = 6–8 mice per group) (c). *P<0.05, **P<0.01, based on a one-way ANOVA with Dunnett’s Multiple Comparison post-hoc test