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乳腺癌患者17号染色体表达状态及临床病理意义探讨 被引量:1

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摘要 目的观察乳腺癌患者17号染色体倍体性及临床病理意义。方法应用荧光原位杂交(FISH),技术检测乳腺癌石蜡切片标本的HER2基因状态,17号染色倍体性与临床病理的关系。结果 56例患者17号染色体倍体异常占35.71%(20/56),HER2基因扩增和不扩增病例17号染色体倍体异常分别为50%(8/16)和30%(12/40),二者比较有显著差异(χ2=16.73,P<0.01);多倍体主要分布在基因扩增病例中(75%,6/8),亚二倍体主要为基因不扩增病例(91.67%,11/12);多倍体患者发病年龄大,绝经发生率高,生产次数多,ER和PR表达率低,与二倍体和亚二倍体组比较有显著或极为显著性差异(P<0.05或P<0.01),二倍体和亚二倍体组比较,差异不显著(P<0.05)。结论 17号染色倍体异常是乳腺癌患者常见的遗传学改变,可能与HER2基因表达状态有关;多倍体患者具有独特的生物学特征,与更多的临床预后不良因素有关。
出处 《中国优生与遗传杂志》 2010年第10期47-47,24,共2页 Chinese Journal of Birth Health & Heredity
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