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胰腺癌XAF1基因启动子甲基化及其蛋白表达的相关性 被引量:1

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摘要 XIAP相关因子1(XIAP-associatedfactor1,XAF1)是一个新发现可以拮抗XIAP抗凋亡作用的蛋白,可以逆转XIAP对细胞的保护作用。它在所有胚胎组织及成人正常组织中广泛表达,但在许多肿瘤组织和肿瘤细胞株中低表达甚至不表达,是一种潜在的肿瘤抑制因子[1-3]。XAF1位点的杂合性缺失及XAF1启动子区的CpG岛甲基化可能是其表达被抑制的机制[4-6]。
出处 《中华胰腺病杂志》 CAS 2012年第5期342-344,共3页 Chinese Journal of Pancreatology
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