GnRH II与GnRH I a对子宫内膜异位症患者离体间质细胞增殖抑制的影响

In: 中南大学学报:医学版 · 2011 · vol. 36(6) , pp. 554–558 · W70100216
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Abstract

目的:探讨Ⅱ型促性腺激素释放激素(gonadotropin-releasing hormoneⅡ,GnRHⅡ)与Ⅰ型促性腺激素释放激素激动剂(gonadotropin-releasing hormoneⅠagonist,GnRHⅠa)对子宫内膜异位症(endometriosis,EMs)患者离体培养的子宫内膜间质细胞增殖抑制的影响。方法:将不同浓度的GnRHⅡ或GnRHⅠa加入在位及异位离体培养内膜间质细胞培养液中培养24,48及72 h,用MTT法测定间质细胞的存活情况,计算抑制率并进行比较。结果:GnRHⅡ或GnRHⅠa对离体培养的子宫内膜间质细胞的细胞增殖抑制率呈剂量和时间依赖性,差异均有统计学意义(P〈0.05);且对异位子宫内膜间质细胞的增殖抑制率高于在位,差异有统计学意义(P〈0.05)。GnRHⅡ对离体间质细胞的抑制作用强于GnRHⅠa,差异有统计学意义(P〈0.05)。结论:GnRHⅡ对EMs患者离体培养子宫内膜间质细胞,尤其对异位子宫内膜间质细胞的增殖有明显的抑制作用,呈剂量和时间依赖性;且抑制作用明显强于GnRHⅠa,提示GnRHⅡ有望成为治疗子宫内膜异位症更有效的新药。

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endometriosis

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