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Currentstatus and regulatory perspective of chimeric antigen receptor-modified T celltherapeutics. Chimeric antigenreceptor-modified T cells (CAR-T) have emerged as a new modality for cancer immunotherapy due totheir potent efficacy against terminal cancers. CAR-Ts are reported to exerthigher efficacy than monoclonal antibodies and antibody-drug conjugates, andact via mechanisms distinct from T cell receptor-engineered T cells. Thesecells are constructed by transducing genes encoding fusion proteins of cancerantigen-recognizing single-chain Fv linked to intracellular signaling domainsof T cell receptors. CAR-Ts are classified as first-, second- andthird-generation, depending on the intracellular signaling domain number of Tcell receptors. This review covers the current status of CAR-Tresearch, including basic proof-of-concept investigations at the cell andanimal levels. Currently ongoing clinical trials of CAR-Tworldwide are additionally discussed. Owing to the lack of existing approvedproducts, several unresolved concerns remain with regard to safety, efficacyand manufacturing of CAR-T, as well as quality control issues. In particular, the cytokinerelease syndrome is the major side-effect impeding the successful developmentof CAR-T in clinical trials. Here, we have addressed the challenges andregulatory perspectives of CAR-T therapy. 嵌合抗原受体修饰细胞治疗的现状及调控研究 嵌合抗原受体修饰T细胞（CAR-T）由于其对抗晚期癌症强大的疗效,。已经成为一种新的形式的癌症免疫疗法。据报道，CAR-T比单克隆抗体和抗体-药物结合物具有更高的疗效，其通过与T细胞受体加工的T细胞具有不同的作用机制。通过转导基因编码癌症抗原识别信号链的Fv片段，将其融合T细胞受体细胞内信号域蛋白，从而构建这样的CAR-T细胞。根据T细胞受体内的信号域数量，被分为一代、二代和三代CAR-T。这篇综述包含了目前CAR-T研究的一些情况，包含在细胞和动物水平上的基础研究。此外，还讨论了目前在全球范围内正在进行的CAR-T临床试验。由于存在一些没有解决的问题，如安全性、有效性、CAR-T的制造以及质量控制方面，到目前为止仍然没有批准通过的产品。尤其是，细胞因子风暴仍然是影响CAR-T临床试验成功的主要副作用。因此，我们在文章中解决这方面的挑战和CAR-T治疗中的调节研究。 资料分享自爱康得生物技术
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发表于 2016-2-24 18:17:40
