传感神经元衍生的CGRPα控制白色脂肪细胞的分化和组织的可塑性
Kyle D Dumont1, Saba Heydari Seradj2, Yu Wang2
1Molecular and Cellular Exercise Physiology, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden.
Cell reports
|November 23, 2025
概括
感觉神经元释放与α-calcitonin基因相关的 (CGRPα),抑制白脂肪细胞的生长. 阻止CGRPα信号传递有助于体重和血糖控制,揭示了新代谢调节的新途径.
科学领域:
- 神经内分泌学神经内分泌学
- 脂肪组织生物学 脂肪组织生物学
- 代谢调节 代谢调节 代谢调节
背景情况:
- 大脑 - 脂肪组织的沟通对于新陈代谢平衡至关重要.
- 周围神经系统,包括同情神经和感官神经,起着关键作用.
- 感觉神经释放神经,可以影响局部组织功能.
研究的目的:
- 研究传感神经元衍生的α-calcitonin基因相关 (CGRPα) 在调节脂肪组织分化和新陈代谢中的作用.
- 探索针对代谢障碍的CGRPα通路的治疗潜力.
主要方法:
- 在体外研究中使用前脂质细胞来评估CGRPα对分化的影响.
- 在小鼠体内研究涉及冷暴露和CGRPα调制.
- 来自接受CGRPα/CGRP受体 (CGRPR) 抗剂治疗偏头痛的人类数据的分析.
主要成果:
- CGRPα 显著抑制了白色前脂细胞以细胞自主的方式分化,但不是棕色前脂细胞.
- 在体内,CGRPα信号转移皮下脂肪组织组成向更大的脂肪细胞在寒冷暴露期间.
- 与对照人群相比,服用抗CGRPα/CGRPR偏头痛药物的人类患者的体重和血糖降低.
- 在暴露于寒冷的小鼠中,使用CGRPR抗剂治疗导致体重减轻.
结论:
- 感官神经元衍生的CGRPα作为白色脂肪组织可塑性的关键调节者.
- 准CGRPα通路为管理肥胖和代谢功能障碍提供了潜在的治疗策略.
- 这项研究阐明了一种新的神经元-脂肪细胞通信轴,影响代谢健康.
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