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Considering TMD pain is critically mediated by the trigeminal ganglion (TG) sensory neurons, functional blockade of nociceptive neurons in the TG may provide an effective approach for mitigating pain associated with TMD. We have previously shown that TRPV4, a polymodally-activated ion channel, is expressed in TG nociceptive neurons. Yet, it remains unexplored whether functional silencing of TRPV4-expressing TG neurons attenuates TMD pain. In this study, we demonstrated that co-application of a positively charged, membrane-impermeable lidocaine derivative QX-314 with the TRPV4 selective agonist GSK101 suppressed the excitability of TG neurons. Moreover, co-administration of QX-314 and GSK101 into the TG significantly attenuated pain in mouse models of temporomandibular joint (TMJ) inflammation and masseter muscle injury. Collectively, these results suggest TRPV4-expressing TG neurons represent a potential target for TMD pain.<\/jats:p>","DOI":"10.1177\/17448069231185696","type":"journal-article","created":{"date-parts":[[2023,6,21]],"date-time":"2023-06-21T17:13:20Z","timestamp":1687367600000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":7,"title":["Silencing of TRPV4-expressing sensory neurons attenuates temporomandibular disorders pain"],"prefix":"10.1177","volume":"19","author":[{"given":"Fabiana C","family":"Dias","sequence":"first","affiliation":[{"name":"Department of Neurology, Duke University, Durham, NC, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zilong","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Neurology, Duke University, Durham, NC, 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