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Inhibitory effects of chloride channel blockers NPPB on proliferation of human glomerular mesangial cells
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- Author:
- No author available
- Journal Title:
- ACTA PHARMACEUTICA SINICA
- Issue:
- 8
- DOI:
- 10.3321/j.issn:0513-4870.2005.08.003
- Key Word:
- 氯通道阻滞剂;细胞增殖;细胞周期;肾小球肾炎
Abstract： 目的研究氯通道阻滞剂5-硝基-2-(3-苯丙胺)苯甲酸[5-nitro-2-(3-phenylpropylamino)- benzoic acid,NPPB]对肾小球系膜细胞增殖的作用及可能的机制.方法细胞计数和3H-TdR参入量测定确定细胞增殖,应用流式细胞术检测细胞周期时相.结果与对照组相比,氯通道阻滞剂NPPB和细胞外高渗透压力使人肾小球系膜细胞数和3H-TdR参入量明显减少,并呈剂量依赖关系,但不增加系膜细胞乳酸脱氢酶释放量.NPPB使细胞周期停滞在G0/G1期.结论氯通道阻滞剂NPPB对人肾小球系膜细胞增殖有抑制作用,其机制与细胞容量改变有关.
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