{"data":{"id":"10.25384/sage.c.4118465.v1","type":"dois","attributes":{"doi":"10.25384/sage.c.4118465.v1","prefix":"10.25384","suffix":"sage.c.4118465.v1","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"T. Nodai","affiliation":[],"nameIdentifiers":[]},{"name":"S. Hitomi","affiliation":[],"nameIdentifiers":[]},{"name":"K. Ono","affiliation":[],"nameIdentifiers":[]},{"name":"C. Masaki","affiliation":[],"nameIdentifiers":[]},{"name":"N. Harano","affiliation":[],"nameIdentifiers":[]},{"name":"A. Morii","affiliation":[],"nameIdentifiers":[]},{"name":"M. Sago-Ito","affiliation":[],"nameIdentifiers":[]},{"name":"I. Ujihara","affiliation":[],"nameIdentifiers":[]},{"name":"T. Hibino","affiliation":[],"nameIdentifiers":[]},{"name":"K. Terawaki","affiliation":[],"nameIdentifiers":[]},{"name":"Y. Omiya","affiliation":[],"nameIdentifiers":[]},{"name":"R. Hosokawa","affiliation":[],"nameIdentifiers":[]},{"name":"K. Inenaga","affiliation":[],"nameIdentifiers":[]}],"titles":[{"title":"Endothelin-1 Elicits TRP-Mediated Pain in an Acid-Induced Oral Ulcer Model"}],"publisher":"Figshare","container":{},"publicationYear":2018,"subjects":[{"subject":"110599 Dentistry not elsewhere classified","subjectScheme":"FOR"},{"subject":"FOS: Clinical medicine","schemeUri":"http://www.oecd.org/science/inno/38235147.pdf","subjectScheme":"Fields of Science and Technology (FOS)"},{"subject":"91299 Materials Engineering not elsewhere classified","subjectScheme":"FOR"},{"subject":"FOS: Materials engineering","schemeUri":"http://www.oecd.org/science/inno/38235147.pdf","subjectScheme":"Fields of Science and Technology (FOS)"}],"contributors":[],"dates":[{"date":"2018-05-31","dateType":"Created"},{"date":"2018-05-31","dateType":"Updated"},{"date":"2018","dateType":"Issued"}],"language":null,"types":{"ris":"GEN","bibtex":"misc","citeproc":"article","schemaOrg":"Collection","resourceType":"Collection","resourceTypeGeneral":"Collection"},"relatedIdentifiers":[{"relationType":"IsSupplementTo","relatedIdentifier":"10.1177/0022034518762381","relatedIdentifierType":"DOI"},{"relationType":"IsIdenticalTo","relatedIdentifier":"10.25384/sage.c.4118465","relatedIdentifierType":"DOI"}],"relatedItems":[],"sizes":[],"formats":[],"version":null,"rightsList":[{"rights":"CC BY 4.0","rightsUri":"https://creativecommons.org/licenses/by/4.0"}],"descriptions":[{"description":"Oral ulcer is the most common oral disease and leads to pain during meals and speaking, reducing the quality of life of patients. Recent evidence using animal models suggests that oral ulcers induce cyclooxygenase-dependent spontaneous pain and cyclooxygenase-independent mechanical allodynia. Endothelin-1 is upregulated in oral mucosal inflammation, although it has not been shown to induce pain in oral ulcers. In the present study, we investigated the involvement of endothelin-1 signaling with oral ulcer–induced pain using our proprietary assay system in conscious rats. Endothelin-1 was significantly upregulated in oral ulcers experimentally induced by topical acetic acid treatment, while endothelin-1 production was suppressed by antibacterial pretreatment. Spontaneous nociceptive behavior in oral ulcer model rats was inhibited by swab applications of BQ-788 (ET\u003csub\u003eB\u003c/sub\u003e receptor antagonist), ONO-8711 (prostanoid receptor EP\u003csub\u003e1\u003c/sub\u003e antagonist), and HC-030031 (TRPA1 antagonist). Prostaglandin E\u003csub\u003e2\u003c/sub\u003e production in the ulcers was suppressed by BQ-788. Mechanical allodynia in the model was inhibited not only by BQ-788 and HC-030031 but also by BQ-123 (ET\u003csub\u003eA\u003c/sub\u003e receptor antagonist), SB-366791 (TRPV1 antagonist), and RN-1734 (TRPV4 antagonist). In naive rats, submucosal injection of endothelin-1 caused mechanical allodynia that was sensitive to HC-030031 and SB-366791 but not to RN-1734. These results suggest that endothelin-1 production following oral bacterial invasion via ulcerative regions elicits TRPA1-mediated spontaneous pain. This pain likely occurs through an indirect route that involves ET\u003csub\u003eB\u003c/sub\u003e receptor-accelerated prostanoid production. Endothelin-1 elicits directly TRPA1- and TRPV1-mediated mechanical allodynia via both ET\u003csub\u003eA\u003c/sub\u003e and ET\u003csub\u003eB\u003c/sub\u003e receptors on nociceptive fibers. The TRPV4-mediated allodynia component seems to be independent of endothelin signaling. These findings highlight the potential of endothelin signaling blockers as effective analgesic approaches for oral ulcer patients.","descriptionType":"Abstract"}],"geoLocations":[],"fundingReferences":[],"xml":"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