{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,30]],"date-time":"2026-06-30T16:26:48Z","timestamp":1782836808186,"version":"3.54.5"},"reference-count":77,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2017,12,27]],"date-time":"2017-12-27T00:00:00Z","timestamp":1514332800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001807","name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo","doi-asserted-by":"publisher","award":["2009\/08089-5"],"award-info":[{"award-number":["2009\/08089-5"]}],"id":[{"id":"10.13039\/501100001807","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001807","name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo","doi-asserted-by":"publisher","award":["2011\/01183-6"],"award-info":[{"award-number":["2011\/01183-6"]}],"id":[{"id":"10.13039\/501100001807","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001807","name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo","doi-asserted-by":"publisher","award":["2013\/07467-1"],"award-info":[{"award-number":["2013\/07467-1"]}],"id":[{"id":"10.13039\/501100001807","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Toxins"],"abstract":"<jats:p>Bunodosine 391 (BDS 391), a low molecular weight compound isolated from the sea anemone Bunodosoma cangicum, increases the nociceptive threshold and inhibits inflammatory hyperalgesia. Serotonin receptors are involved in those effects. In this study, we have expanded the characterization of the antinociceptive effect of BDS 391 demonstrating that, in rats: (a) the compound inhibits (1.2\u201312 ng\/paw) overt pain, in the formalin test, and mechanical hyperalgesia (0.6\u20136.0 ng\/paw) detected in a model of neuropathic pain; (b) intraplantar administration of ondansetron, a selective 5-HT3 receptor antagonist, blocks the effect of BDS 391, whereas ketanserin, a 5-HT2 receptor antagonist, partially reversed this effect, indicating the involvement of peripheral 5-HT2 and 5-HT3 receptors in BDS 391 antinociception; and (c) in binding assay studies, BDS 391 was not able to displace the selective 5-HT receptor antagonists, suggesting that this compound does not directly bind to these receptors. The effect of biguanide, a selective 5-HT3 receptor agonist, was also evaluated. The agonist inhibited the formalin\u2019s nociceptive response, supporting an antinociceptive role for 5-HT3 receptors. Our study is the first one to show that a non-peptidic low molecular weight compound obtained from a sea anemone is able to induce antinociception and that activation of peripheral 5-HT3 receptors contributes to this effect.<\/jats:p>","DOI":"10.3390\/toxins10010012","type":"journal-article","created":{"date-parts":[[2017,12,27]],"date-time":"2017-12-27T11:16:00Z","timestamp":1514373360000},"page":"12","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Peripheral 5-HT3 Receptors Are Involved in the Antinociceptive Effect of Bunodosine 391"],"prefix":"10.3390","volume":"10","author":[{"given":"Wilson","family":"Ferreira Junior","sequence":"first","affiliation":[{"name":"Laboratory of Pain and Signaling, Butantan Institute, Av. Vital Brasil, 1500, 05503-900 S\u00e3o Paulo, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andre","family":"Zaharenko","sequence":"additional","affiliation":[{"name":"Laboratory of Genetics, Butantan Institute; Av. Vital Brasil, 1500, 05503-900 S\u00e3o Paulo, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kohei","family":"Kazuma","sequence":"additional","affiliation":[{"name":"Institute of Natural Medicine, University of Toyama, Sugitani 2630, Toyama 930-0194, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gisele","family":"Picolo","sequence":"additional","affiliation":[{"name":"Laboratory of Pain and Signaling, Butantan Institute, Av. Vital Brasil, 1500, 05503-900 S\u00e3o Paulo, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vanessa","family":"Gutierrez","sequence":"additional","affiliation":[{"name":"Laboratory of Pain and Signaling, Butantan Institute, Av. 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Vital Brasil, 1500, 05503-900 S\u00e3o Paulo, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2017,12,27]]},"reference":[{"key":"ref_1","first-page":"1245","article-title":"Hemolytic activity of the nematocyst venom from the sea anemone Bunodosoma caissarum","volume":"24","author":"Malpezzi","year":"1991","journal-title":"Braz. J. Med. Biol. Res."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"895","DOI":"10.1590\/S0100-879X2001000700009","article-title":"Identification of hemolytic and neuroactive fractions in the venom of the sea anemone Bunodosoma cangicum","volume":"34","author":"Lagos","year":"2001","journal-title":"Braz. J. Med. Biol. 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