EPISODE · Feb 22, 2026 · 17 MIN
537-TRPV1感觉神经元在心肌梗死修复中的神经调控机制
from 聊聊Sci
这项研究揭示了一个连接心脏与大脑的三节点神经免疫环路，该环路在心肌梗死（MI）的病理过程中起着核心作用。研究发现，心脏受损会激活特定的TRPV1感觉迷走神经元，进而向大脑下丘脑室旁核（PVN）传递信号。随后，这一中枢预警会通过颈上神经节（SCG）增强交感神经输出，导致心脏炎症加剧和功能恶化。实验证明，通过遗传学或药理学手段干预该路径中的任何节点，例如消融感觉神经元或抑制特定的炎症因子，均能显著缩小梗死面积。这种跨器官的通讯机制不仅促进了对心脏重塑的理解，也为治疗心脏病提供了神经调节的新方向。最终，这项工作强调了通过阻断“心-脑-交感”轴来保护心脏功能的潜在临床价值。References: Yadav S, Ninh V K, Lovelace J W, et al. A triple-node heart-brain neuroimmune loop underlying myocardial infarction[J]. Cell, 2026, 189(3): 800-817. e20.前往小宇宙评论区与主播互动
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537-TRPV1感觉神经元在心肌梗死修复中的神经调控机制
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