JCI:IFN-γ相关mRNA数据能够预测患者对PD-1抗体的响应

2017-12-21 MedSci MedSci原创

JCI:IFN-γ相关mRNA数据能够预测患者对PD-1抗体的响应<span style="font-family: "Times New Roman",serif"> Pembrolizumab已经被广泛用于晚期黑色素瘤的治疗,相比于化疗或伊匹单抗,pembrolizumab能够显著提高晚期黑色素瘤患者的总生存期。 靶向程序化死亡蛋白(PD-1)从而实现肿瘤细胞

Pembrolizumab已经被广泛用于晚期黑色素瘤的治疗,相比于化疗或伊匹单抗,pembrolizumab能够显著提高晚期黑色素瘤患者的总生存期。

靶向程序化死亡蛋白(PD-1)从而实现肿瘤细胞免疫检查点封闭的治疗方法能够在多种恶性肿瘤中得到持久的抗癌效果。近期研究证明,IFN-γ是肿瘤细胞中表达程序性死亡配体-1PD-L1)的关键驱动因子,而且IFN-γ向瘤内T细胞的浸润能够提高机体对PD-1抗体(如pembrolizumab)应答的可能性。然而,目前尚未有报道来严格评估量化的T细胞微环境对评价PD-1抗体的治疗反应是否有效。因此美国华盛顿大学与芝加哥大学的学者们分析了经pembrolizumab治疗的患者的肿瘤组织RNA表达谱(GEP)。结果显示,T细胞炎症相关的RNA表达谱包含了与抗原呈递,趋化因子表达,细胞毒性活性和适应性免疫有关的IFN-γ应答基因,研究者们称,这些特征对临床诊断是非常必要的,因此他们提出,对于Pembrolizumab抗体治疗,T细胞炎症相关的RNA表达谱应当发展成为临床级别的评价方法。 

原始出处:

Ayers, Mark, et al. "IFN-γ–related mRNA profile predicts clinical response to PD-1 blockade." The Journal of clinical investigation 127.8 (2017): 2930-2940. doi.org/10.1172/JCI91190

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    2018-04-28 1e145228m78(暂无匿称)

    学习了.谢谢作者分享!

    0

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    2017-12-23 bugit
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