原文开头
Hong-Rui Wei1,2†, Qianqian Lou1†, Le-Xian Li1†, Lan Tang1†, Run-Jie Wu1, Hong-Yu Li1, Ai-Jun Jiang2, Xin-Lu Yang3, Wei Gao3, Xin-Yi Zhao4, Liuhu Han5, Yu Mao6, Sen Qun4, Yanli Luo7, Junchao Qian8*, Yan Jin4*, Zhi Zhang1,5,9* Chronic pain exhibits circadian rhythms in humans, but the mechanisms underlying such rhythmicity remain unclear. Here, we found daily oscillations in the nociceptive thresholds in a mouse model of neuropathic pain, driven by a rhythmic circuit from the master clock in the hypothalamus to the descending analgesia system. In the daytime (resting phase), higher vasoactive intestinal peptide (VIP) neuronal activity in suprachiasmatic nucleus (SCNVIP) activates a signaling pathway involving the paraventricular nucleus (PVN) and the ventrolateral periaqueductal gray (vlPAG), ultimately increasing nociceptive sensitivity. …
摘自《科学》(Science)第391卷 第6791期 · 2026年3月19日。仅引用开头一小段供了解文章,版权归原刊所有,全文请阅读原刊。