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冬虫夏草对延缓糖尿病肾病肾小球系膜细胞增殖的研究(1)
http://www.100md.com 2011年8月5日 施海涛 杨庆春 王雪峰 于海涛 国春玲 潘淑杰 董春玲
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     [摘要] 目的 探讨传统中药冬虫夏草对糖尿病肾病(DN)肾小球系膜细胞增殖的影响及该药延缓DN进展的作用机制。方法 选取人肾小球系膜细胞(HMC)为研究对象,运用细胞培养实验方法,观察高糖刺激下HMC的增殖变化,并运用中药冬虫夏草发酵菌粉药物血清进行体外干预,观察中药冬虫夏草发酵菌粉对高糖培养下HMC增殖的影响,并运用MTT比色法检测细胞存活和生长、运用反转录RT-PCR(reverse transcription PCR)方法检测TGF-β1基因。 结果 冬虫夏草及福辛普利药物血清干预后24h和48h后,对高糖培养细胞增殖具有不同程度抑制,在相同作用时间下各冬虫夏草药物血清高、中、低剂量组与正常对照组比较具有统计学意义(P<0.01);与高糖组比较具有统计学意义(P<0.01),通过高糖培养mRNA的表达增加,明显高于正常对照组(P<0.05)。结论 冬虫夏草发酵菌粉延缓DN进展可能是通过抑制高糖下HMC的增殖、下调TGF-β1基因表达延缓肾小球硬化实现的。

    [关键词] 冬虫夏草;糖尿病肾病;肾小球系膜细胞

    [中图分类号] R285.5;R587.1 [文献标识码] A [文章编号]1673-9701(2011) 22-11-02

    The Effects of Cordyceps on Human Mesangial Cells(HMCs) in Diabetic Nephropathy

    SHI Haitao 1 YANG Qingchun1 WANG Xuefeng 2 YU Haitao1 GUO Chunling1 PAN Shujie1 DONG Chunling1

    1.Department of Nephrology, Daqing Longnan Hospital of Daqing Oil Field General Hospital,Daqing 163000, China;2. Rehabilitation Department, Daqing Oil Field General Hospital, Daqing 163000, China

    [Abstract] Objective To investigate the effects of Dongchongxiacao on human mesangial cells(HMCs) cultured in vitro and explore the nephroprotective mechanism of Dongchongxiacao for diabetic nephropathy. Methods We get the rats serum with different concentration of medicine,and then study the effects of the serum on HMCs. the HMCs proliferation was assessed by MTT assay. RT-PCR was used to detect the expression of transforming growth factor beta 1mRNA(TGF-β1mRNA). Results The high-dose serum can inhibit the proliferation of mesangial cells under high glucose condition at 24h,48h (P<0.01), The expression of TGF-β1mRNAof the high-dose are higher than control group(P<0.05). Conclusion Dongchongxiacao not only can inhibit high glucose-induced proliferation of HMCs,but also can decrease the secretion of TGF-β1,so to delay the progression of DN.

    [Key words] Dongchongxiacao ;DN;Human mesangial cell

    糖尿病肾病(dfiabetic nephropathy,DN)即糖尿病肾小球硬化症,是糖尿病重要的微血管慢性并发症之一,也是导致终末期肾功能衰竭的主要原因。DN在全球范围内呈上升趋势,在西方国家DN成为终末期肾病(ESRD)的首位原因[1]。因此,对DN早发现早治疗,探寻有效地阻止DN进程的药物仍是肾病工作者的重要任务。本研究通过对传统中药冬虫夏草延缓糖尿病肾病肾小球系膜细胞增殖的研究 ......

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