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PD-ECGF、VEGF及MVD在大肠癌及癌前病变中的表达 被引量:2

The Expression of PD-ECGF,VEGF and MVD in Colorectal Carcinomas and Precancerous Lesions
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摘要 [目的]探讨血小板衍生内皮细胞生长因子(PD-ECGF)、血管内皮细胞生长因子(VEGF)及微血管密度(MVD)在大肠癌及癌前病变中的表达意义。[方法]采用免疫组织化学法,对43例大肠腺癌、71例癌前病变(包括47例腺瘤、24例增生性息肉)和20例正常肠黏膜(对照组)进行PD-ECGF、VEGF的染色,同时计数MVD。[结果 ]PD-ECGF在大肠腺癌、腺瘤、增生性息肉及对照组中阳性率分别为88.4%、61.7%、62.5%、30.0%,VEGF阳性率分别为95.3%、51.1%、33.3%、25.0%。腺癌组PD-ECGF及VEGF阳性率显著性高于腺瘤、增生性息肉及对照组(P<0.05)。腺瘤和增生性息肉中PD-ECGF阳性率显著高于对照组(P<0.05)。腺癌、腺瘤、增生性息肉及对照组中MVD计数分别为81.98±35.34、50.13±18.08、52.67±18.11、46.75±14.92(F=11.656,P=0.003),且腺癌组MVD计数高于其他3组(P<0.05)。PD-ECGF、VEGF表达与MVD计数均呈正相关(r=0.389,P<0.05;r=0.398,P<0.05)。[结论]PD-ECGF及VEGF在腺癌组表达明显高于癌前病变及正常对照组,癌前病变组的表达高于对照组,并与MVD增多相一致。
出处 《肿瘤学杂志》 CAS 2012年第1期45-48,共4页 Journal of Chinese Oncology
基金 嘉兴市科委资助项目(2010AY1037)
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