732-肿瘤-免疫-大脑环路驱动癌症恶病质研究 episode artwork

EPISODE · Apr 2, 2026 · 19 MIN

732-肿瘤-免疫-大脑环路驱动癌症恶病质研究

from 聊聊Sci

这篇文章概述了癌症恶病质这一复杂的代谢综合征,其特征是严重的体重减轻和肌肉萎缩。研究揭示了一个由肿瘤、免疫系统和大脑构成的闭环回路,其中GDF15蛋白在驱动全身性代谢异常中起到了关键作用。具体而言,肿瘤通过神经信号招募巨噬细胞,促使这些细胞释放大量GDF15,进而激活大脑中的神经信号并加剧组织损耗。锌代谢异常也被确定为该恶性循环的重要诱因,影响了肿瘤内部的信号传递。研究强调,通过阻断这一回路中的关键节点(如GDF15或其受体),有望为治疗这种致死性萎缩症提供新的临床策略。这种跨器官系统的视角为理解癌症如何通过干扰整体生理平衡导致衰竭提供了新框架。References: Richter F C, Wong J X E, Bergthaler A. A closed tumor-immune-brain circuit in cancer cachexia[J]. Cancer Cell, 2026.前往小宇宙评论区与主播互动

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732-肿瘤-免疫-大脑环路驱动癌症恶病质研究

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