Research Article

Citrus junos Tanaka Peel Extract Exerts Antidiabetic Effects via AMPK and PPAR- both In Vitro and In Vivo in Mice Fed a High-Fat Diet

Figure 2

Effect of YPEE on AMPK and PPAR-γ. Cells were pretreated with 10 μM C.C for 30 min and consecutively exposed to YPEE for 1 h in a dose-dependent manner. Western blot analysis was performed with phosphospecific AMPK and normal beta-actin antibodies (a). Cells were pretreated with 10 μM C.C for 30 min and consecutively exposed to YPEE, and then, the 2-NBDG uptake assay was performed, as described in Section 2 (b). Data are expressed as mean SD. versus YPEE. PPAR-γ expression vector and PPRE-luc vectors were cotransfected in HEK293 cells and exposed to YPEE or 25 μM rosiglitazone. PPAR-γ transcriptional activity was measured with the luciferase assay system (c). Data are expressed as mean SD. versus none.
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(b)
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(c)