Fig. 2. Dietary quercetin increases levels of norepinephrine in plasma and β3AR mRNA in white adipose tissue (WAT). C57BL/6 mice were fed a high-fat diet (HFD) without or with 0.05% quercetin (HFD or HFD+Que) for 9 weeks. (A) Norepinephrine levels in plasma were measured by enzyme-linked immunosorbent assay. (B) Expression of β3AR mRNA in inguinal WAT. Results are mean±standard error of the mean (n=5–6 mice per group). A representative Western blot showing protein expression levels of (C) cyclic AMP-dependent protein kinase (PKA) and (D) pAMPK/AMPK in inguinal WAT. *P<0.05; †P<0.01 compared with obese control mice. AMPK, AMP-activated protein kinase; pAMPK, phosphorylated AMPK.
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