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TNF-α和COX-2在溃疡性结肠炎肠黏膜中的的表达及其与细胞凋亡的关系

Expression of TNF-α and COX-2 in Colonic Mucosa of Ulcerative Colitis and Their Relation with Cell Apoptosis
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摘要 [目的]研究溃疡性结肠炎(UC)患者肠黏膜中的肿瘤坏死因子-α(TNF-α)、环氧合酶-2(COX-2)表达状态及其与细胞凋亡的关系,探讨UC的发病机理.[方法]应用脱氧核糖核酸转移酶介导的缺口末端标记技术和免疫组化方法分析36例UC患者和25例正常对照肠黏膜细胞凋亡、TNF-α和COX-2的表达.[结果]溃疡性结肠炎组TNF-α和COX-2的表达指数显著高于正常对照组(P<0.05),TNF-α和COX-2的表达与凋亡指数呈正相关(r=0.711,P=0.000;r=0.592,P=0.000).[结论]UC患者肠黏膜TNF-α和COX-2表达增加,诱导肠黏膜细胞凋亡.
出处 《医学临床研究》 CAS 2012年第6期-,共3页 Journal of Clinical Research
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参考文献7

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