660-hPSC分化A10型多巴胺神经元重建环路改善抑郁 episode artwork

EPISODE · Mar 18, 2026 · 21 MIN

660-hPSC分化A10型多巴胺神经元重建环路改善抑郁

from 聊聊Sci

这篇发表在《Cell Stem Cell》上的研究报告了一项利用人多能干细胞高效诱导A10样中脑多巴胺神经元的新突破。研究团队发现,在分化后期通过Notch信号通路抑制剂配合特定因子(GDNF和AA),可精准驱动前体细胞向A10亚型特化。实验证明,这些衍生的神经元在基因表达和电生理特性上与内源性神经元高度一致,并具备谷氨酸共释放能力。移植实验显示,A10样神经元能特异性重建受损的中脑皮层边缘多巴胺通路,并精准投向伏隔核等目标区域。通过药理遗传学手段激活这些移植物,能显著改善抑郁模型小鼠的焦虑及快感缺失等行为。该成果为开发针对抑郁症等神经精神疾病的细胞替代疗法提供了重要的概念验证。References: Yan W, Gao Q, Zhou Y, et al. Human stem cell-derived A10 dopaminergic neurons specifically integrate into mouse circuits and improve depression-like behaviors[J]. Cell Stem Cell, 2025, 32(9): 1457-1474. e7.前往小宇宙评论区与主播互动

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660-hPSC分化A10型多巴胺神经元重建环路改善抑郁

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