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卵巢上皮性肿瘤中nm23H1基因的突变及其与临床病理特征的关系 被引量:1

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摘要 目的:研究卵巢上皮性肿瘤中nm23H1基因遗传不稳定性与卵巢肿瘤进展的关系,为揭示nm23H1基因作用机制和肿瘤转移机制提供实验依据。方法:采用石蜡包埋组织抽提DNA,PCR-单链构象多态性(PCR-SSCP),常规银染、Envision免疫组织化学染色和Leica-Qwin计算机图像分析等方法,对石蜡包埋的卵巢上皮性肿瘤及相应的正常组织,进行17号染色体D17S396位点微卫星不稳定性、杂合性缺失的检测和nm23H1基因的表达研究。结果:本实验中,卵巢上皮性癌D17S396位点遗传不稳定发生率为40%,明显高于交界性肿瘤的10%,而在良性肿瘤和正常卵巢组织中未见该位点遗传不稳定的发生。结论:nm23H1基因的遗传不稳定性可能是卵巢上皮性癌发生、发展的一个重要因素,杂合性缺失的发生可作为卵巢组织恶变的判断指标之一。
出处 《实用医学杂志》 CAS 2007年第19期3011-3013,共3页 The Journal of Practical Medicine
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参考文献8

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共引文献18

同被引文献16

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