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应用3H-TdR掺入法和MTT比色法,观察了人重组IL-1β、IL-6和TNFα对体外培养的成人肾小球系膜细胞增殖的影响。结果表明,在无血清培养条件下,HrIL-1β、HrIL-6和HrTNFα在一个较大的浓度范围内,均不能刺激系膜细胞的增殖;而有少量胎牛血清存在时,HrIL-6和HrTNFα可以促进系膜细胞增殖,但HrIL-1β无此作用。另外,在实验中还发现,雷公藤多甙(TⅡ)对系膜细胞生长具有抑制作用。
The effects of human recombinant IL-1β, IL-6 and TNFα on the proliferation of adult mesangial cells cultured in vitro were observed by 3H-TdR incorporation and MTT assay. The results showed that under the condition of serum-free culture, HrIL-1β, HrIL-6 and HrTNFα could not stimulate the proliferation of mesangial cells in a large concentration range; while in the presence of a small amount of fetal bovine serum, HrIL-6 and HrTNFα can promote mesangial cell proliferation, but HrIL-1β does not have this effect. In addition, it was also found in experiments that tripterygium glycosides (TII) have an inhibitory effect on mesangial cell growth.