Fig. 5

Detection of serum cytokines in mice. The serum levels of TNF-α (A), IL-6 (B), IGF-1 (C), IGFBP-1 (D) and 25-OH VitD (E) in mice at 16, 24 and 32 weeks were measured by ELISA. *P < 0.05, **P < 0.01 versus WT group; ^■P > 0.05 versus WT group; ^△P < 0.05 versus HFD group at 24 weeks; ^△P < 0.05 versus HFD group at 16 weeks