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髓系来源抑制细胞引起肿瘤免疫逃逸的机制探讨 被引量:3

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摘要 髓系来源抑制细胞(MDSCs)是一种异质性细胞,具有多向分化潜能及免疫抑制特性,由于其缺乏淋巴细胞表面标记而得名。MDSCs存在于大多数癌症患者中,它通过多种机制抑制机体固有和适应性的抗肿瘤免疫。主要机制为抑制 CD4+、CD8+T细胞的募集、参与炎症介质的形成,另外,MDSCs通过干扰T细胞活化必需的酶或氨基酸的摄取而抑制T细胞的活化,但其机制及条件较为复杂,因此了解MDSCs阻碍抗肿瘤免疫的条件和机制,有助于采取措施阻断MDSCs的募集、活化以减少MDSCs诱导的抗肿瘤免疫抑制。
出处 《中国临床实用医学》 2015年第6期75-77,共3页 China Clinical Practical Medicine
基金 2011年国家中医药行业专项基金项目(201107001) 浙江省科技厅项171(2012C33110) 丽水市科技局项目(2012JYJB79,2014zdxk04)
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