Objective: To observe the effect of high doses of astragalus membranaceus on serum tumor necrosis factor-αα(TNF-) , Interleukin-6(IL-6) and cellular immune function in patients with chronic glomerulonephritis (CGN). Methodsα: Radioimmunoassay (RIA) was used to examine the levels of TNF- and IL-6 in serum before and after treatment with astragalus membranaceus in 30 patients (treated group), compared with that of 30 patients before and after treatment with routine therapy (control group) and 30 healthy ...