655-人视交叉上核空间与单细胞转录组图谱 episode artwork

EPISODE · Mar 17, 2026 · 20 MIN

655-人视交叉上核空间与单细胞转录组图谱

from 聊聊Sci

这项研究通过空间转录组学、单细胞测序以及深度学习辅助的组织学分析,构建了人类视交叉上核(SCN)的首个分子与细胞图谱。研究者在人类SCN中精准识别出七种神经元亚型,并描绘了它们在下丘脑中的三维分布特征。通过与啮齿类和非人灵长类动物的跨物种对比,研究揭示了由LHX1和RORB基因调控的保守功能分区,同时也发现了人类神经肽信号系统的显著演化。此外,该 atlas 通过关联全基因组关联分析(GWAS)数据,证实了AVP/NMS神经元亚型可能是决定人类“早起型”昼夜节律的生物学基础。总体而言,该研究为理解人类生物钟的神经分子机制提供了核心资源,对诊疗昼夜节律相关疾病具有重要价值。References: Yang Q, Wang H, Gao L, et al. Spatial and single-cell transcriptomic atlas of human suprachiasmatic nucleus[J]. Neuron, 2026.前往小宇宙评论区与主播互动

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655-人视交叉上核空间与单细胞转录组图谱

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