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细胞视黄醇结合蛋白在胃癌及癌前病变的表达

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摘要 为探讨细胞视黄醇结合蛋白(CRBP)在胃癌及癌前病变中的表达及其与维生素A水平的关系,采用SP免疫组化法和双抗体夹心ELISA法观察CRBP表达。结果CRBP阳性率在肠腺化生、不典型增生、胃癌分别为40.6%、43.3%、67.2%,均高于对照组8.3%(P<0.05、0.05、0.01),胃癌高于癌前病变(P<0.05),高、中分化胃癌高于低、未分化者(P<0.01)。胃癌组织CRBP水平高于非癌胃粘膜(P<0.01),维生素A水平低于非癌胃粘膜(P<0.01)。提示在胃癌前病变阶段就开始有维生素A代谢改变,胃癌组织CRBP增高与肿瘤细胞内维生素A水平降低有关,检测CRBP表达对选用维甲类药物治疗可能有指导意义。
出处 《浙江医学》 CAS 1998年第12期718-719,721,共3页 Zhejiang Medical Journal
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