To elucidate the molecular mechanism involved in the aggravation of EtOH-induced steatosis in HSCF extracts treated mice, the expression of genes regulating hepatic lipid synthesis was determined by quantitative RT-PCR, including SREBP-1c, SCD1, ACC1, FAS, PPARγ and DGAT2 in the present study. The gene discussed is PPARG; the disease is steatosis.