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嵌合型抗原受体基因修饰的T细胞研究进展 被引量:5

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摘要 肿瘤免疫治疗在肿瘤治疗中发挥的作用日益受到重视,而作为肿瘤免疫治疗重要组成部分的过继性细胞治疗( Adoptive cellular therapy ,ACT),因其可在短时间内扩增和活化具有抗瘤活性的效应细胞,治疗副作用轻微等优点而在临床研究中备受关注。TIL、CIK、NK、NKT和γδT这些用于ACT的细胞在临床应用研究中取得一定的疗效,但是肿瘤抗原特异性强、亲和力好的免疫细胞来源困难、数量较少,以及杀瘤活性、体内持续时间未能达到临床应用的需求,在一定程度上制约了ACT的发展[1]。于是,研究者尝试使用基因修饰T细胞来解决这个问题,用来修饰 T 细胞的基因有 TCR、CAR ( Chimeric antigen receptor ,嵌合型抗原受体)、促进免疫细胞增殖的细胞因子(如IL-2、IL-15)等[2]。其中,嵌合型抗原受体基因修饰的 T 细胞( Chimeric antigen receptor-modified T cells,CART)是以能编码单链抗体-共刺激分子-免疫受体酪氨酸活化基序的嵌合分子的融合基因修饰T细胞而产生的一种基因修饰T细胞。因其具有肿瘤抗原识别特异性强、亲和力高、非MHC限制性及可在体内外大量扩增的优点而受到较多的关注,本文将对 CART 的研究进展予以综述。
作者 钱磊 崔久嵬
出处 《中国免疫学杂志》 CAS CSCD 北大核心 2014年第6期850-853,857,共5页 Chinese Journal of Immunology
基金 教育部科学技术研究重大项目(No.311015)资助
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同被引文献95

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