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胃泌素对胃癌细胞增殖的影响 被引量:1

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摘要 目的探讨胃泌素对胃癌细胞增殖的影响。方法应用ABC免疫组化法测定胃泌素及其受体拮抗剂对胃癌细胞增殖细胞核抗原(PCNA)、p53基因表达的影响。结果当细胞培养48h后,胃泌素组PCNA表达阳性率为(41·7±3·4)%,明显高于对照组的(24·4±1·9)%(P<0·01);胃泌素组p53基因阳性表达率为(32·4±5·9)%,亦明显高于对照组的(22·6±3·8)%(P<0·01)。当合用丙谷胺后,胃泌素的上述作用消失。结论胃泌素可促进胃癌细胞PCNA、p53基因的表达,该作用可被其受体拮抗剂丙谷胺所阻断。
出处 《江苏医药》 CAS CSCD 北大核心 2005年第9期698-700,i0002,共4页 Jiangsu Medical Journal
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