PMID- 36187288 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20221004 IS - 1662-5102 (Print) IS - 1662-5102 (Electronic) IS - 1662-5102 (Linking) VI - 16 DP - 2022 TI - N-Methyl D-aspartate receptor subtype 2B/Ca(2+)/calmodulin-dependent protein kinase II signaling in the lateral habenula regulates orofacial allodynia and anxiety-like behaviors in a mouse model of trigeminal neuralgia. PG - 981190 LID - 10.3389/fncel.2022.981190 [doi] LID - 981190 AB - Trigeminal neuralgia (TN) is a peripheral nerve disorder often accompanied by abnormalities in mood. The lateral habenula (LHb) plays important roles in the modulation of pain and emotion. In the present study, we investigated the involvement of the LHb in the mechanisms underlying allodynia and anxiety induced by partial transection of the infraorbital nerve (pT-ION) in mice. Our results indicated that pT-ION induced persistent orofacial allodynia and anxiety-like behaviors, which were correlated with increased phosphorylation of N-Methyl D-aspartate receptor (NMDAR) subtype 2B (p-NR2B) and Ca(2+)/calmodulin-dependent protein kinase II (p-CaMKII) in LHb neurons. Bilateral inhibition of NMDARs and CaMKII in the LHb attenuated the allodynia and anxiety-like behavior induced by pT-ION. Furthermore, bilateral activation of NMDARs in the LHb increased the expression of p-NR2B and p-CaMKII and induced orofacial allodynia and anxiety-like behaviors in naive mice. Adeno-associated virus (AAV)-mediated expression of hM3D(Gq) in CaMKII(+) neurons of the bilateral LHb, followed by clozapine-N-oxide (CNO) administration, also triggered orofacial allodynia and anxiety-like behaviors in naive mice with successful virus infection in LHb neurons (verified based on immunofluorescence). In conclusion, these findings suggest that activation of NMDA/CaMKII signaling in the LHb contributes to the occurrence and development of TN and related anxiety-like behaviors. Therefore, suppressing the activity of CaMKII(+) neurons in the bilateral LHb by targeting NMDA/CaMKII may represent a novel strategy for treating pain and anxiety associated with TN. CI - Copyright (c) 2022 Zhuang, Wu, Song, Li, Cui, Yang, Xu and Cui. FAU - Zhuang, Zi-Fan AU - Zhuang ZF AD - College of First Clinical Medicine, Beijing University of Chinese Medicine, Beijing, China. FAU - Wu, Hong-Yun AU - Wu HY AD - Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China. FAU - Song, Ya-Yi AU - Song YY AD - Department of Traditional Chinese Medicine, Lianyungang Maternal and Child Health Hospital, Lianyungang, China. FAU - Li, Lei AU - Li L AD - Department of Cardiology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China. FAU - Cui, Xia AU - Cui X AD - Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China. FAU - Yang, Jie AU - Yang J AD - Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China. FAU - Xu, Xiang-Qing AU - Xu XQ AD - Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China. FAU - Cui, Wen-Qiang AU - Cui WQ AD - Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China. LA - eng PT - Journal Article DEP - 20220914 PL - Switzerland TA - Front Cell Neurosci JT - Frontiers in cellular neuroscience JID - 101477935 PMC - PMC9521491 OTO - NOTNLM OT - Ca2+/calmodulin-dependent protein kinase II (CaMKII) OT - N-methyl-D-aspartate receptor (NMDAr) OT - anxiety OT - lateral habenula OT - trigeminal neuralgia COIS- The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. EDAT- 2022/10/04 06:00 MHDA- 2022/10/04 06:01 PMCR- 2022/01/01 CRDT- 2022/10/03 04:48 PHST- 2022/06/29 00:00 [received] PHST- 2022/08/22 00:00 [accepted] PHST- 2022/10/03 04:48 [entrez] PHST- 2022/10/04 06:00 [pubmed] PHST- 2022/10/04 06:01 [medline] PHST- 2022/01/01 00:00 [pmc-release] AID - 10.3389/fncel.2022.981190 [doi] PST - epublish SO - Front Cell Neurosci. 2022 Sep 14;16:981190. doi: 10.3389/fncel.2022.981190. eCollection 2022.