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WNT11 在肝转移中促进免疫逃避和抗PD-1治疗的抵抗力
Weiliang Jiang1,2,3, Bingjie Guan4, Hongcheng Sun4
1Cancer Institute, Fudan University Shanghai Cancer Center, No. 270 Dong'an Road, Shanghai, China.
Nature communications
|February 7, 2025
概括
WNT11通过抑制CD8+T细胞和创建免疫抑制瘤微环境来促进肝脏转移. 抑制CAMKII可以增强免疫疗法,这表明WNT11/CAMKII是肝转移的治疗标.
科学领域:
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
- 癌症生物学 癌症生物学
背景情况:
- 肝转移 (LM) 是一个重大的临床挑战,治疗选择有限.
- 了解瘤微环境 (TME) 和免疫细胞相互作用对于有效的癌症疗法至关重要.
研究的目的:
- 研究WNT11在调节TME和肝转移中的免疫反应中的作用.
- 确定潜在的治疗标和生物标志物,以改善LM的免疫疗法.
主要方法:
- 分析WNT11对CD8+T细胞招募和活动的影响.
- 研究WNT11介导的信号通路 (CAMKII,β-catenin/AFF3,NF-κB) 和细胞因子的表达 (CXCL10,CCL4,IL17D).
- 在LM的小鼠模型中,评估CAMKII抑制与抗PD-1治疗相结合的CAMKII抑制.
主要成果:
- 过度表达WNT11与CD8+T细胞排斥和抑制有关,与LM预后不佳相关.
- 通过CAMKII/β-catenin/AFF3,WNT11降低了CXCL10和CCL4的调节,影响了CD8+T细胞的功能.
- 通过CAMKII/NF-κB和IL17D,WNT11诱导了免疫抑制的巨细胞分化,进一步抑制了CD8+T细胞.
- 在LM的小鼠模型中,CAMKII抑制增强了抗PD-1疗法的疗效.
- 血清WNT11被确定为结直肠癌-LM免疫治疗的潜在生物标志物.
结论:
- WNT11/CAMKII轴对肝转移中的TME进行了关键调节.
- 针对WNT11/CAMKII提供了一个有希望的策略,以增强LM患者的免疫疗法.
- 血清WNT11显示出作为指导免疫治疗决策的最小侵入性生物标志物的潜力.
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