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p16基因与宫颈癌和宫颈上皮内瘤样病变诊断 被引量:3

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摘要 p16基因是一种多肿瘤抑制基因,与多种肿瘤的发生密切相关。p16基因失活导致肿瘤的发生,其失活机制主要为甲基化、缺失及突变。宫颈癌是妇女常见肿瘤之一,发生机制尚不清楚。p16与宫颈癌及宫颈上皮内瘤样病变(CIN)诊断相关性的研究中发现,p16基因的失活及P16的表达很复杂,p16基因在宫颈癌发生、发展中的作用还不清楚。有研究发现p16基因在宫颈癌发展中主要的失活形式是启动子甲基化,失活率随病情恶化而增加;而在人乳头状瘤病毒(HPV)感染的宫颈癌和CIN中,p16基因的缺失和突变是罕见事件,表现为过表达,几乎所有HPV阳性宫颈癌中p16表达阳性。为此对p16基因与宫颈癌、CIN的研究进展进行综述。
机构地区 河北省人民医院
出处 《国外医学(妇产科学分册)》 2007年第6期418-421,共4页 Foreign Medical Sciences(Obstet Gynecol Fascicle)
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