EPISODE · Aug 27, 2026 · 20 MIN
1498-内在心脏神经系统：功能与生存的关键
from 聊聊Sci
本文介绍了一项关于内在心脏神经系统（ICNS）的研究，揭示了该系统在维持心脏功能与生存中的核心作用。研究通过单细胞测序技术鉴定了两种关键的神经元亚型：Npy+和Ddah1+神经元，它们在解剖分布、神经输入及生理功能上存在显著差异。Npy+神经元主要接收副交感神经信号，负责调控基础心率和冠状动脉灌注，若其功能受损会导致严重的急性心力衰竭。相比之下，Ddah1+神经元主要接收交感神经信号，其功能在于保障心脏在生理或心理压力下的电生理稳定性，防止猝死发生。这项发现将ICNS定位为心脏调控的精密中枢，并为开发针对特定细胞类型的心脏病神经调节疗法提供了理论框架。References:Xu Q J, Applegate M C, Hsu I U Y, et al. The intrinsic cardiac nervous system is essential for cardiac function and survival[J]. Cell, 2026.前往小宇宙评论区与主播互动
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1498-内在心脏神经系统：功能与生存的关键
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