PLoS Biol:Yap抑制肿瘤微环境中的T细胞功能和浸润

2020-05-25 MedSci原创 MedSci原创

癌症免疫治疗的一个主要挑战是维持免疫抑制性实体瘤中T细胞的激活和招募。在这里,我们报告了Hippo通路效应因子Yes-相关蛋白(Yap)的水平在分化4(CD4)阳性和分化8(CD8)阳性T细胞的群集激

癌症免疫治疗的一个主要挑战是维持免疫抑制性实体瘤中T细胞的激活和招募。在这里,我们报告了Hippo通路效应因子Yes-相关蛋白(Yap)的水平在分化4(CD4)阳性和分化8(CD8)阳性T细胞的群集激活后会急剧被诱导,并且Yap作为免疫抑制因子和效应因子分化的抑制剂。

 

T细胞中Yap的缺失会导致T细胞的激活、分化和功能增强,这在体内转化为T细胞浸润和压迫肿瘤的能力提高。对Yap缺失后的肿瘤浸润性T细胞的基因表达分析表明,Yap作为肿瘤微环境中全局性T细胞应答的介导剂,是不同人类癌症中T细胞肿瘤浸润和患者生存的负调控因子。

 

总的来说,我们的研究结果表明,Yap在T细胞生物学中起着关键性作用,并提示Yap的抑制可以改善癌症中的T细胞反应。

 

原始出处:

 

Eleni StampouloglouNan Cheng, et al., Yap Suppresses T-cell Function and Infiltration in the Tumor Microenvironment. PLoS Biol. 2020 Jan 13;18(1):e3000591. doi: 10.1371/journal.pbio.3000591. eCollection 2020 Jan.

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    2021-03-28 sunylz
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    2020-07-24 柳叶一刀
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    2020-09-27 gujh
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