1446-NIK缺失加速胰腺癌进展与微环境重塑 episode artwork

EPISODE · Aug 17, 2026 · 22 MIN

1446-NIK缺失加速胰腺癌进展与微环境重塑

from 聊聊Sci

这项研究揭示了NF-κB诱导激酶(NIK)在胰腺导管腺癌(PDAC)中发挥着此前被忽视的抑癌作用。通过对基因工程小鼠模型的研究,科学家发现缺失NIK会显著加速KRAS驱动的肿瘤形成,并缩短实验对象的生存期。机制上,NIK的丧失导致非规范NF-κB通路受阻,进而引发规范通路的补偿性增强,并激活了促进癌症发展的ERK和IL6-STAT3信号。 这种分子变化改变了肿瘤微环境,促进了肌成纤维细胞(myCAF)的激活以及中性粒细胞的浸润。此外,人类临床数据也证实低水平的NIK表达与病患更差的预后密切相关。该研究强调在针对胰腺癌开发免疫或间质疗法时,必须谨慎对待NF-κB通路的调节。References:Du Z, Büttner U F G, Wirth H L, et al. NF-κB inducing kinase (NIK) deletion accelerates KRAS-driven pancreatic cancer in association with tumor microenvironment remodeling[J]. Cell Death & Disease, 2026, 17(1): 513.前往小宇宙评论区与主播互动

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1446-NIK缺失加速胰腺癌进展与微环境重塑

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