Blood:嵌合抗原受体(CARs)为多发性骨髓瘤带来新的治疗前景。

2017-09-20 qinqiyun MedSci原创

现在为止,多发性骨髓瘤(MM)几乎是一种不可治愈的浆细胞(B细胞)恶性肿瘤,因此探索新的治疗方式迫在眉睫。T细胞疗法是一种新的有望治愈MM的方法,其作用机制与现有的MM的标准疗法不同。

现在为止,多发性骨髓瘤(MM)几乎是一种不可治愈的浆细胞(B细胞)恶性肿瘤,因此探索新的治疗方式迫在眉睫。T细胞疗法是一种新的有望治愈MM的方法,其作用机制与现有的MM的标准疗法不同。嵌合抗原受体(CARs)是融合了抗原识别域和T细胞信号域的融合蛋白。通过基因工程使T细胞表达的CARs能够特异性识别抗原。用于白血病和淋巴瘤的CAR T细胞疗法的成功提示可进一步探索治疗MM的CAR T细胞疗法。CARs的目标抗原必须在恶性细胞上表达,且不在正常细胞上表达或表达受限。B细胞成熟抗原(BCMA)在正常和恶性浆细胞中均有表达。在早期临床试验中已证实,靶向B细胞成熟抗原的CAR T细胞具有显着的抗骨髓瘤的活性。试验中的毒性反应有细胞因子释放综合征,与抗白血病的CAR T细胞试验中观察的毒性反应类似。用抗CD19的CAR T细胞靶向CD19+骨髓瘤干细胞是一种治疗MM的新型疗法。MM抗体,包括CD138、CD38、SLAMF7和κ轻链,均作为CAR靶点进行研究。MM是基因和表现均为杂合,因此靶向多个抗原或许可以提高CAR T细胞治疗MM的效果。CAR T细胞联合其他骨髓瘤疗法将成为未来研究的主要领

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    2017-12-04 jml2009
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    2017-09-21 luominglian113

    学习了.谢谢分享

    0

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    2017-09-20 1e1a50a1m36(暂无匿称)

    谢谢分享知识

    0