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绝经妇女应用激素替代治疗后血浆一氧化氮和内皮素水平的变化 被引量:2

Effects of hormone replacement therapy on plasma nitric oxide and endothelin-1 levels in postmenopausal women
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摘要 目的 观察激素替代治疗 (HRT)对绝经妇女血浆一氧化氮 (NO)和内皮素 (ET -1)水平的影响 ,探讨雌激素对心血管保护作用的部分机制。方法 对 32例绝经妇女应用HRT前及应用HRT 3个月、6个月和 1年时 ,血浆中NO和ET -1的水平分别应用酶一步法和双抗体酶联免疫吸附法 (ELISA)进行检测。结果 绝经后妇女应用HRT 3个月后 ,血浆NO含量 [(2 77 46± 5 4 96)nmol/L]较应用前 [(196 0 3± 48 41)nmol/L]有显著性的上升 (P <0 0 0 1) ,随后开始下降 ,应用HRT 6个月时NO含量为 (2 12 0 6± 5 6 73)nmol/L ,到 1年时 ,血浆NO含量为 (2 2 1 2 9± 41 2 7)nmol/L ,虽然明显低于应用HRT 3个月后NO的水平 (P <0 0 5 ) ,仍高于应用HRT前NO含量 ,但差异已无显著性 (P >0 0 5 )。相反 ,绝经妇女应用HRT 3个月后 ,血浆ET -1水平 [(35 72± 6 5 9)pg/ml]极显著下降 ,此后在应用HRT 6个月和 1年时分别维持在 (36 0 3± 9 17)pg/ml和 (36 78± 8 0 8)pg/ml的水平 ,与应用HRT前相比差异均具有极显著性 (P <0 0 0 1)。结论 绝经后妇女应用HRT可能是通过调节血管内皮细胞释放细胞因子功能 ,即以升高血浆NO含量和降低ET
出处 《广东医学》 CAS CSCD 2003年第4期397-398,共2页 Guangdong Medical Journal
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参考文献8

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共引文献37

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