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结直肠癌COX-2、p53、PCNA和ki-67表达 被引量:8

Expression of COX-2、p53、PCNA and ki-67 in Colorectal Cancer
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摘要 [目的]探讨环氧化酶鄄2(COX鄄2)、p53、增殖细胞核抗原(PCNA)和ki鄄67蛋白在结直肠癌中表达的意义。[方法]采用SP方法进行免疫组化染色,观察Cox鄄2、p53、PCNA和ki鄄67在84例结直肠癌中表达。[结果](1)肿瘤>5cm、有淋巴结转移LN(+)及Dukes'D期结直肠癌病例的COX鄄2过表达率分别显著高于肿瘤≤5cm、LN(-)及Dukes'A+B+C期病例的表达(90.3%,79.4%,100.0%vs.66.0%,52.0%,73.1%,P均<0.05);(2)p53染色阳性率于LN(+)及Dukes’D期结直肠癌病例分别高于LN(-)和Dukes'A+B+C期病例的表达(55.9%,83.3%vs.40.0%,48.7%;P均<0.05);(3))LN(+)结直肠癌病例的PCNA阳性染色比LN(-)病例的表达显著增强(88.1%vs.60.0%,P<0.05);(4)LN(+)及Dukes'D期结直肠癌病例的ki鄄67表达率分别比LN(-)和Dukes'A+B+C期病例的表达显著增强(84.7%,100%vs.40.0%,69.0%,P均<0.05)。[结论]结直肠癌COX鄄2、p53、PCNA和ki鄄67表达与结直肠癌淋巴结转移和疾病进展等密切相关。
出处 《中国肿瘤》 CAS 2004年第8期527-529,共3页 China Cancer
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参考文献8

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