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首页> 外文期刊>Journal of vascular research >Estrogenic Compounds Have Divergent Effects on Human Endothelial Progenitor Cell Migration according to Sex of the Donor
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Estrogenic Compounds Have Divergent Effects on Human Endothelial Progenitor Cell Migration according to Sex of the Donor

机译:雌激素化合物根据供体性别对人内皮祖细胞迁移具有不同作用

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Background: Endothelial progenitor cells (EPCs) are key elements in vascular homeostasis. Their function is regulated by estrogens and estrogen receptors (ERs), but the effect of estrogenic compounds such as bisphenol A (BPA; an agonist of ER-beta and agonist and antagonist of ER-alpha) and (R, R)-5,11-diethyl-5,6,11,12-tetrahydro-2,8-chrysenediol (THC; an agonist of ER-alpha and antagonist of ER-beta) on human EPCs is unknown. We analyzed whether BPA and THC influence the migration of human EPCs, an essential process in endothelial regeneration, in both male and female EPCs. Methods: EPCs isolated from healthy adult men and women were assayed for ER expression by Western blotting and chemotaxis assay. Results: Male and female EPCs similarly expressed ERs and did not differ in basal migration. Interestingly, 17-beta-estradiol (10(-9) and 10(-10) M) significantly inhibited migration in female EPCs but not in males. Moreover, both 10(-5) M THC and 10(-8) M BPA blocked migration in female EPCs, allowing us to hypothesize that the effect is mediated by ER-alpha. Conclusions: Estrogenic compounds have a sex divergent effect which could help in understanding differences in the pathophysiology of endothelial function observed between men and women. (C) 2016 S. Karger AG, Basel
机译:背景:内皮祖细胞(EPC)是血管动态平衡的关键因素。它们的功能受雌激素和雌激素受体(ER)的调节,但是雌激素化合物的作用,例如双酚A(BPA;ER-β的激动剂和ER-α的激动剂和拮抗剂)和(R,R)-5,未知人EPC上的11-二乙基5,6,11,12-四氢-2,8-diol二醇(THC;ER-α激动剂和ER-β拮抗剂)。我们分析了在男性和女性EPC中BPA和THC是否会影响人类EPC的迁移,这是内皮再生的重要过程。方法:通过蛋白质印迹和趋化性分析法检测从健康成年男女分离的EPCs的ER表达。结果:雄性和雌性EPCs相似地表达ERs,基础迁移无差异。有趣的是,17-β-雌二醇(10(-9)和10(-10)M)在雌性EPC中显着抑制迁移,而在雄性EPC中则没有。此外,10(-5)M THC和10(-8)M BPA均可阻止雌性EPC中的迁移,从而使我们能够假设这种作用是由ER-α介导的。结论:雌激素化合物具有性别差异性作用,有助于理解男女在内皮功能病理生理上的差异。 (C)2016 S.Karger AG,巴塞尔

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