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- W977882317 abstract "目的 探讨乳腺癌组织中缺氧诱导因子-1α(HIF-1α)的表达及其与增殖细胞核抗原(PCNA)、微血管密度(MVD)及临床病理因素的关系。方法 采用免疫组化SP法检测乳腺纤维腺瘤、普通乳腺增生组织和乳腺癌组织中HIF-1α及PCNA蛋白的表达,用CD34单克隆抗体标记血管内皮细胞并计数MVD。结果 HIF-1α蛋白在乳腺纤维腺瘤、普通乳腺增生组织中不表达; 在乳腺导管内原位癌中表达阳性率为55.0%(11/20),浸润性乳腺癌中为85.0%(51/60); HIF-1α表达与淋巴结转移及雌激素受体状态有关(P<0.01)。乳腺癌中PCNA高表达率为75.0%(60/80),其中导管内原位癌中为65.0%(13/20),浸润性癌中为78.3%(47/60)。乳腺癌中HIF-1α表达与PCNA呈正相关(r=0.693,P<0.01),与导管内原位癌中MVD亦呈正相关(r=0.682,P<0.05),与浸润性癌中MVD无相关关系。结论 HIF-1α在乳腺癌组织中的表达明显上调,与肿瘤细胞增殖、血管形成、淋巴结转移、雌激素受体状态相关,提示HIF-1α对乳腺癌的肿瘤细胞增殖、血管形成、生长和侵袭、转移起重要作用,有望成为肿瘤治疗的新靶点。" @default.
- W977882317 created "2016-06-24" @default.
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- W977882317 date "2016-09-08" @default.
- W977882317 modified "2023-10-18" @default.
- W977882317 title "乳腺癌组织中缺氧诱导因子-1α的表达及其与增殖细胞核抗原、微血管密度的关系" @default.
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