摘要
用抗ras癌基因蛋白质产物p21单克隆抗体SCI-oncogema I,采用常规ABC免疫组织化学方法检测了66例前列腺癌、46例前列腺非典型增生、20例慢性前列腺炎、50例良性前列腺增生和6例正常前列腺组织石蜡标本中p21的表达,结果显示,前列腺癌的阳性表达率明显高于其他几组病变(P<0.01),其阳性表达率随肿瘤组织学分级增高而增高。前列腺癌周的不典型增生组织对p21的反应强度显著高于单纯性不典型增生组织。上述结果说明,ras癌基因产物p21的过量表达,在前列腺非典型增生向前列腺癌的发展过程中起着重要作用,并且可以作为一种新的肿瘤标记物来估计前列腺癌的生物学行为。
An expression of ras oncogene protein (p21) was assessed with immunohistochemistry in normal, dysplasia, benign hyperplasia, chronic prostatitis and prostatic carcinomatous tissues. The results showed that the positivity rate of p21 was higher in prostatic carcinoma than that in other prostatic lesions and was markedly correlated to histologic tumor grade. The expression level of p21 was more intentive in prostatic dysplasia surrounding carcinoma than that in simple prostatic dysplasia. It is suggested that overexpression of ras oncogene p21 product may play an important role in progressing from dysplasia to cancer and may be used as a new tumor marker for assessment of biological behavior of prostatic carcinoma.
出处
《第二军医大学学报》
CAS
CSCD
北大核心
1993年第2期147-150,共4页
Academic Journal of Second Military Medical University
关键词
前列腺肿瘤
癌基因
免疫组织化学
prostatic carcinoma
prostatic dysplasia
oncogene
irnmunohistochemistry
