EPISODE · Jun 29, 2026 · 17 MIN
1203-全基因组倍增:肿瘤免疫逃逸的表观遗传伪装
from 聊聊Sci
这篇文章阐述了全基因组倍增(WGD)如何通过表观遗传重塑帮助癌症细胞逃避机体免疫监视。研究表明,倍增后的癌细胞会积累琥珀酸,进而抑制KDM6酶的活性,导致其表面抗原呈递机制失效,实现所谓的“伪装”。这种机制使得恶性细胞能躲避CD8+ T细胞的识别与攻击,在原本活跃的免疫环境中生存并进化。此外,作者提出利用PRC2抑制剂等表观遗传药物,有望逆转这种免疫逃逸状态并恢复免疫系统的抗癌效能。全文揭示了代谢、表观遗传与肿瘤进化之间复杂的相互作用,为治疗具有高非整倍性特征的侵袭性癌症提供了新思路。References:Galluzzi L, Manic G, Vitale I. An epigenetic four-lane route to camouflage for cancer cells[J]. Cancer Cell, 2026.前往小宇宙评论区与主播互动
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1203-全基因组倍增:肿瘤免疫逃逸的表观遗传伪装
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