PCNA在宫颈鳞癌组织中的表达及意义

Chinese Journal of Clinical Obstetrics and Gynecology(2011)

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Abstract
目的 探讨细胞核增值抗原(proliferating cell nuclear antigen,PCNA)在宫颈鳞癌和宫颈上皮内瘤变(cervical intraepithelial neoplasia,CIN)组织中的表达及意义.方法 采用免疫组织化学S-P法检测92例宫颈鳞癌、40例CIN和92例宫颈正常组织的PCNA蛋白表达情况.结果 宫颈鳞癌组织PCNA阳性表达率为82.61%(76/92);CINI、CINⅡ和CIN ⅢPCNA阳性表达率分别为33.33%(5/15)、71.43%(10/14)和81.82%(9/11),正常宫颈组织无PCNA表达.宫颈鳞癌、CINⅡ和CIN Ⅲ组织PCNA阳性表达率明显高于CINI(P<0.01);但宫颈鳞癌PCNA表达与CINⅡ、CINⅢ比较,差异无统计学意义(P>0.05).PCNA阳性表达与宫颈癌分期(r=0.634,P<0.01)、组织学分级(r=0.654,P<0.05)有关;而与年龄无关(r=0,P>0.05).结论 PCNA的阳性表达达可能与宫颈癌的发生、发展及细胞增殖活性增加有关.
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Key words
proliferating cell nuclear antigen,immunohistochemistry,cervical intraepithelial neoplasia,cervical squamous cell carcinomas
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