氨酸通过肠-大脑神经回路减轻中风后的脑损伤
Wen Zhang1,2, Shengnan Chen1,2, Xiaoqi Huang1,2
1Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China.
Gut
|February 3, 2026
概括
肠道中酸 (KYNA) 减少预示着中风恢复不良. 补充KYNA通过GPR35和迷走神经激活肠-大脑电路,改善神经结果.
科学领域:
- 神经科学是一个神经科学.
- 胃肠病学 胃肠病学
- 代谢学 代谢学 代谢学
背景情况:
- 脑卒中会触发系统反应,影响恢复.
- 在中风中,肠-大脑沟通机制尚不清楚.
研究的目的:
- 确定一种新的肠-大脑神经电路,影响中风恢复.
- 研究氨酸 (KYNA) 在这个过程中的作用.
主要方法:
- 在中风患者和对照组中进行代谢分析.
- 在小鼠模型中评估KYNA的预后价值和治疗效果.
- 使用成像,受体操纵,阴道切割和电生理学来划定神经电路.
主要成果:
- 肠道KYNA水平在急性缺血性中风 (AIS) 患者中降低,并预测3个月的恢复.
- 口服KYNA补充剂改善了小鼠中风的结果.
- 在肠道神经元上,KYNA激活了GPR35,触动了迷走神经和单一性神经管核,影响大脑区域并促进神经保护.
结论:
- 一个涉及肠道KYNA,GPR35和迷走神经的新型肠-大脑轴促进中风恢复.
- 这一途径代表了中风的潜在治疗点.
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