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DNA修复酶在胃癌组织中的表达变化及临床意义

JOURNAL OF HEBEI NORTH UNIVERSITY(MEDICAL EDITION)(2005)

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Abstract
目的:检测胃癌组织中DNA损伤修复酶(O6—甲基鸟嘌呤—DNA甲基转移酶O6—methylguanineDNA methyltransferase,MGMT)的表达变化,探讨其表达和胃癌临床病理特征之间的关系,进一步用于指导临床化疗方案的制定。方法:采用免疫组化方法(SABC法)检测55例胃癌标本中MGMT的表达情况。结果:MGMT在胃癌组织中的阳性表达率为43.64%(24/55),其阳性表达与年龄、病理类型有关,而与性别`、分化程度、侵犯深度、淋巴结转移的相关性不明显。结论:MGMT对胃癌化学治疗方案的制定有指导作用。
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Key words
Immunohistochemistry,Gastri carcinoma,DNA repairing enzyme(MGMT)
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