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手术后大肠癌患者NKT及NK细胞的变化 被引量:4

NKT and NK cells in peripheral blood of colorectal cancer patients after surgery
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摘要 目的:探讨手术后大肠癌患者外周血NKT细胞及NK细胞的变化及其影响因素。方法:采集32例大肠癌患者手术前后和13例健康对照外周静脉血,流式细胞术检测外周血NKT及NK细胞的变化,研究其与大肠癌患者临床病理特征的关系。结果:大肠癌患者NKT细胞较健康人升高(P<0.05),T细胞与健康人无差异,NK细胞较健康人减少(P<0.05)。健康人群中NKT细胞占外周血T淋巴细胞的6.6%,低于大肠癌患者的18.9%(P<0.05)。术后1周,大肠癌患者NKT细胞较术前明显升高、NK细胞明显降低(P<0.05)。年龄>60岁较年龄≤60的大肠癌患者的T细胞低(P<0.05);有淋巴结转移患者的T细胞有降低趋势,NK细胞有增高趋势;肿瘤浸润至浆膜和浆膜外大肠癌患者T细胞有降低趋势;Duke’s C、D期较Duke’s A、B期大肠癌患者T细胞低(P<0.05)。T、NKT及NK细胞三者间无相关关系。结论:手术后大肠癌患者NKT细胞介导的抗肿瘤免疫反应处于活化状态,NK细胞处于抑制状态。
出处 《中国肿瘤生物治疗杂志》 CAS CSCD 北大核心 2010年第5期565-567,共3页 Chinese Journal of Cancer Biotherapy
基金 上海市闵行区卫生局科研课题资助(No.2008MW17)~~
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