Abstract

目的 为乳腺癌诊断提供血清学新方法.方法用免疫-聚合酶链反应(immuno-polymerase chain reanon,PCR)法检测血清抗p53蛋白(一种抑癌基因)抗体,酶免疫组化方法检测组织p53蛋白表达.结果乳腺癌患者血清抗p53蛋白抗体阳性率为39.5%,而非癌患者和正常人血清抗p53蛋白抗体均为阴性,乳腺癌患者血清中抗p53蛋白抗体显著高于非癌患者和正常人(P<0.01).p53蛋白阳性表达的乳腺癌患者抗p53蛋白抗体阳性率为64.2%,明显高于p53蛋白阴性表达组,血清p53抗体测定与p53蛋白表达密切相关(P<0.01).结论检测血清抗p53蛋白抗体是检测组织p53蛋白理想的替代工具,抗p53蛋白抗体可以作为乳腺癌血清学诊断新标志,用于乳腺癌的普查和早期诊断。

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