胃癌中 HER-2蛋白的表达及其临床意义 |
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引用本文: | 张银华,;马晓梅,;赵峰,;杨丽丽,;许新才.胃癌中 HER-2蛋白的表达及其临床意义[J].新疆医科大学学报,2014(8):1033-1036. |
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作者姓名: | 张银华 ;马晓梅 ;赵峰 ;杨丽丽 ;许新才 |
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作者单位: | [1]新疆医科大学附属肿瘤医院病理科,乌鲁木齐830011; [2]新疆医科大学第一附属医院胃肠外科,乌鲁木齐830011 |
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基金项目: | 新疆维吾尔自治区研究生教育创新计划项目(XJGR12013080) |
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摘 要: | 目的:探讨胃癌中 HER-2基因的表达及其临床意义。方法采用免疫组织化学 SP 法检测75例胃癌组织中 HER-2蛋白的表达情况,分析其与胃癌临床各病理因素的关系,生存期分析采用 Life-tables 法。结果(1)胃癌中 HER-2的阳性率为14.67%,过表达率为9.33%。(2)胃癌 HER-2在不同 Lauren 分型、临床分期中的表达差异有统计学意义(P <0.05);在不同民族、年龄、性别、肿瘤的大小、组织学分级、肿瘤部位和淋巴结转移的表达差异无统计学意义(P >0.05)。(3)获得随访的55例胃癌患者中,HER-2阳性患者与 HER-2阴性患者生存时间差异无统计学意义(P >0.05)。结论胃癌 HER-2的表达与 Lauren 分型、临床分期关系密切,但可能不影响患者的预后。
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关 键 词: | 胃癌 HER-2 免疫组化法(IHC) |
Expressions and clinical significance of HER-2 in the gastric cancer |
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Institution: | ZHANG Yinhua, MA Xiaomei, ZHAO Feng, YANG Lili, XU Xincai (1Department of Pathology, Affiliated Tumor Hospital, 2Department of Gastrointestinal Surgery, First Affiliated Hospital, Xinjiang Medical University, Urumqi 830011, China) |
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Abstract: | Objective To study the HER2 gene status in patients with advanced gastric cancer (GC),their association with patient characteristics and patient survival.Methods A total of 75 resectable GC tissues were evaluated by HER2 immunohistochemistry (IHC)and clinicopathological data from all patients were collected,of which 55 patients′s overall survival were analysed.Results HER2-positive tumors were 14.7%(11/75)by IHC.There were significant differences in HER2-positive rates according to histological type (intestinal,23.8%;no intestinal,3.0%;P〈0.05)and clinical stage (Ⅰ/Ⅱ,3.1%;Ⅲ/Ⅳ,23.3;P〈0.05).The overall survival of HER2-negative and-positive patients was not significantly different.Conclusion HER-2 overexpression was significantly different in Lauren′s classification and clinical stage. However,the impact of HER2 expression on survival was limited. |
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Keywords: | gastric cancer HER-2 immunohistochemistry (IHC) |
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