Regulation of headache response and transcriptomic network by the trigeminal ganglion clock

昼夜节律 三叉神经节 每2 每1 生物钟 生物 神经科学 时钟 丛集性头痛 医学 内科学 偏头痛 感觉系统
作者
Chorong Han,Ji Ye Lim,Nobuya Koike,Sun Young Kim,Kaori Ono,Celia K. Tran,Elizaveta Mangutov,Eunju Kim,Yanping Zhang,Lingyong Li,Amynah Pradhan,Kazuhiro Yagita,Zheng Chen,Seung‐Hee Yoo,Mark J. Burish
出处
期刊:Headache [Wiley]
卷期号:64 (2): 195-210
标识
DOI:10.1111/head.14670
摘要

Abstract Objective To characterize the circadian features of the trigeminal ganglion in a mouse model of headache. Background Several headache disorders, such as migraine and cluster headache, are known to exhibit distinct circadian rhythms of attacks. The circadian basis for these rhythmic pain responses, however, remains poorly understood. Methods We examined trigeminal ganglion ex vivo and single‐cell cultures from Per2::LucSV reporter mice and performed immunohistochemistry. Circadian behavior and transcriptomics were investigated using a novel combination of trigeminovascular and circadian models: a nitroglycerin mouse headache model with mechanical thresholds measured every 6 h, and trigeminal ganglion RNA sequencing measured every 4 h for 24 h. Finally, we performed pharmacogenomic analysis of gene targets for migraine, cluster headache, and trigeminal neuralgia treatments as well as trigeminal ganglion neuropeptides; this information was cross‐referenced with our cycling genes from RNA sequencing data to identify potential targets for chronotherapy. Results The trigeminal ganglion demonstrates strong circadian rhythms in both ex vivo and single‐cell cultures, with core circadian proteins found in both neuronal and non‐neuronal cells. Using our novel behavioral model, we showed that nitroglycerin‐treated mice display circadian rhythms of pain sensitivity which were abolished in arrhythmic Per1 / 2 double knockout mice. Furthermore, RNA‐sequencing analysis of the trigeminal ganglion revealed 466 genes that displayed circadian oscillations in the control group, including core clock genes and clock‐regulated pain neurotransmitters. In the nitroglycerin group, we observed a profound circadian reprogramming of gene expression, as 331 of circadian genes in the control group lost rhythm and another 584 genes gained rhythm. Finally, pharmacogenetics analysis identified 10 genes in our trigeminal ganglion circadian transcriptome that encode target proteins of current medications used to treat migraine, cluster headache, or trigeminal neuralgia. Conclusion Our study unveiled robust circadian rhythms in the trigeminal ganglion at the behavioral, transcriptomic, and pharmacogenetic levels. These results support a fundamental role of the clock in pain pathophysiology. Plain Language Summary Several headache diseases, such as migraine and cluster headache, have headaches that occur at the same time each day. We learned that the trigeminal ganglion, an important pain structure in several headache diseases, has a 24‐hour cycle that might be related to this daily cycle of headaches. Our genetic analysis suggests that some medications may be more effective in treating migraine and cluster headache when taken at specific times of the day.
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