Effects of ginseng extract (GE), ginsenosides (GSs), and testosterone (T) on adipocyte-specific gene expression in 3T3-L1 cells. (A) The 3T3-L1 preadipocytes were differentiated into mature adipocytes and then treated with GE, GSs, and/or T. Relative mRNA levels of PPARγ, C/EBPα, and aP2 are expressed as mean ± SD using β-actin as a reference gene. *P<0.05 versus control. **P<0.05 versus T group. (B) Representative RT-PCR bands from one of three independent experiments are shown.