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绝经后雌激素变化对乳腺癌组织中雌激素及其受体表达的影响 被引量:5

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摘要 目的探讨绝经前后乳腺癌组织中雌激素及其受体(ER)的表达情况及二者相关性。方法随机选取绝经前后乳腺癌患者各37例,采用酶联免疫吸附(ELISA)法检测血清、癌组织及癌旁正常乳腺组织中雌二醇(E2)含量;采用免疫组化(SABC)法检测癌组织中ER表达。结果绝经后组外周血清中E2含量显著低于绝经前组(P<0.001),癌组织E2的表达水平与绝经前后无关(P>0.05),两组癌组织中E2的表达水平均显著高于癌旁正常乳腺组织(P<0.001);SABC法结果可见,绝经前、后组分别有18例(48.6%)、20例(54.1%)癌组织中ER表达阳性,无显著差异(P>0.05);ER表达水平均与E2含量呈正相关(P<0.05)。结论乳腺癌组织中雌激素含量变化不受外周血清中雌激素变化影响而保持较高含量水平,而外周血清中E2的含量变化与绝经前期和后期变化相关;ER阳性表达与绝经前期和后期变化无相关性。
出处 《中国老年学杂志》 CAS 北大核心 2017年第13期3261-3262,共2页 Chinese Journal of Gerontology
基金 海南医学院科研培育基金(HY2012-003)
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