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自噬相关蛋白Beclin-1在乳腺浸润性导管癌中的表达及临床意义

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摘要 目的探讨自噬相关蛋白Beclin-1在乳腺浸润性导管癌中的表达及临床意义。方法采用免疫组织化学Envision法检测72例乳腺浸润性导管癌及癌旁乳腺组织以及Beclin-1的表达和定位,以21例乳腺良性病变(包括10例乳腺纤维腺瘤5、例单纯性乳腺导管上皮增生和6例乳腺小叶增生)作为对照,并对结果进行统计学分析。结果癌旁乳腺组织及乳腺良性病变组中Beclin-1表达阳性率均为100%,乳腺浸润性导管癌组为47.2%(34/72),表达率明显降低(P<0.01);癌组织中Beclin-1的表达与肿瘤的病理分级和ki-67细胞阳性率相关(P均<0.05),与患者的年龄、肿块大小、淋巴结转移情况及临床TNM分期无关(P均>0.05)。结论 Beclin-1在乳腺浸润性导管癌中表达下调,并与肿瘤细胞增殖能力相关。
机构地区 湖州市中心医院
出处 《浙江实用医学》 2011年第6期399-400,467,共3页 Zhejiang Practical Medicine
基金 湖州市科技计划项目(2008GS07)
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