GstO1 expression during the early phase of adipocyte differentiation. (A) GstO1 gene expressions at the indicated incubation times after differentiation induction. (B) The effect of C1-27 on the gene expression of GstO1. (C) Western blot (upper) of cellular GstO1 proteins at the indicated incubation times, and quantitative analysis for GstO1 protein levels normalized by β-actin (lower).