〔Abstract〕 Objective To observe the effects of Liuwei Dihuang Decoction on the expression of α-SMA and fibronectin (FN) in IgA nephropathy rats, and further investigate its possible mechanism. Methods Forty SD rats were equally randomly divided into 4 groups: the normal group, model group, tripterygium glycosides tablets group and Liuwei Dihuang Decoction group. IgAN rat models were established with bovine serum albumin (BSA), lipopolysaccharide (LPS) and carbon tetrachloride (CCl4). The successfully established models were given 4 weeks of ...