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膀胱尿路上皮癌uPA和tPA表达及临床病理意义

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摘要 目的研究膀胱尿路上皮癌和癌旁正常移行上皮组织中尿激酶型纤溶酶原激活剂(uPA)和组织型纤溶酶原激活剂(tPA)表达水平及其临床病理意义。方法45例膀胱尿路上皮癌和10例癌旁正常膀胱移行上皮组织标本常规制作石蜡包埋切片,uPA和tPA染色方法为EnVision免疫组化法。结果膀胱尿路上皮癌uPA表达阳性率(60.0%)明显高于癌旁正常膀胱移行上皮组织(20.O%,X2=5.25,P=0.022),但tPA则相反(42.2%vs90.9%,)(X2=7.47,P=0.006)。病理分级0-I级、临床分期Tis-T1及初发病例uPA表达阳性率明显低于病理分级Ⅱ-Ⅲ级、临床分期Ⅱ-Ⅳ及复发病例(P〈0.05或P〈0.01);病理分级0-I级、临床分期Tis—T1及单发病例tPA表达阳性率明显高于病理分级Ⅱ-Ⅲ级、临床分期Ⅱ-Ⅳ及多发病例(P〈0.05或P〈0.01)。膀胱尿路上皮癌中uPA表达与tPA表达呈高度不一致性(X2=4.39,P〈0.05)。结论uPA和tPA可能是反映膀胱尿路上皮癌发生、进展、侵袭潜能及预后的重要生物学标记物。
出处 《中国医师杂志》 CAS 2012年第4期530-532,共3页 Journal of Chinese Physician
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