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CD70在肾透明细胞癌组织中的表达及意义

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摘要 目的探讨肾细胞癌(简称肾癌)中淋巴细胞活化抗原CD70的表达状况及其临床意义,为肾癌干细胞研究筛选适当的表面标志物。方法采用免疫组织化学法检测20例正常肾组织、62例肾癌组织及癌旁组织中CD70蛋白表达状况。结果 CD70在正常肾组织、癌旁组织、透明细胞癌、乳头状细胞癌、嫌色细胞癌中的阳性表达率分别为0.00%(0/20)、6.82%(3/44)、90.91%(40/44)、27.27%(3/11)、14.29%(1/7)。在肾癌组织中CD70表达水平高于正常肾组织和癌旁组织(P〈0.01),CD70表达水平在肾透明细胞癌中随其分化程度降低而增强,但与临床分期无相关性。结论 CD70的表达与肾透明细胞癌的恶性程度有相关性,可作为肾透明细胞癌的新型特异性肿瘤标志物,用于对尚未确定组织学分类的肾肿瘤进行鉴别诊断,并有望成为肾透明细胞癌预后判断的指标及治疗的靶标。
出处 《卫生职业教育》 2010年第11期148-149,共2页 HEALTH VOCATIONAL EDUCATION
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