{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T15:50:12Z","timestamp":1774367412757,"version":"3.50.1"},"reference-count":90,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2012,9,17]],"date-time":"2012-09-17T00:00:00Z","timestamp":1347840000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Marine Drugs"],"abstract":"<jats:p>The marine environment is an extraordinary reservoir of bioactive natural products, many of which exhibit chemical and structural features not found in terrestrial natural products. In this regard, the aim of this study was to investigate the possible antinociceptive and anti-inflammatory activities of a crude methanolic extract of the red alga Bryothamnion triquetrum (BT-MeOH) in murine models. Groups of Swiss mice of both sexes (25\u201330 g) were used throughout the experiments. The potential antinociceptive of BT-MeOH was evaluated by means of the following tests: acetic acid-induced writhing, hot-plate test and glutamate- and formalin-induced nociception. The anti-inflammatory activity of BT-MeOH was investigated using the zymosan A-induced peritonitis test. The tests were conducted using 100 mg\/kg (p.o.) BT-MeOH, 33.3 mg\/kg (p.o.) dipyrone, 35.7 mg\/kg (p.o.) indomethacin and 5.7 mg\/kg (s.c.) morphine. The extract and all standard drugs were administered 40 min before the nociceptive\/inflammatory stimulus. In the acetic acid-induced writhing test, BT-MeOH and dipyrone inhibited the nociceptive response by 55.9% (22.2 \u00b1 2.0 writhings; p &lt; 0.01) and 80.9% (9.6 \u00b1 2.1 writhings; p &lt; 0.01). In the hot-plate test, BT-MeOH did not increase the latency time of the animals in the time evaluated. In addition, BT-MeOH inhibited glutamate-induced nociception by 50.1%. While BT-MeOH did not inhibit the neurogenic phase in formalin-induced nociception, the inflammatory phase was inhibited by 53.1% (66.8 \u00b1 14.2 s; p &lt; 0.01). Indomethacin inhibited the inflammatory phase by 60.2% (56.8 \u00b1 8.7 s; p &lt; 0.01). In the zymosan-induced peritonitis test, BT-MeOH inhibited 55.6% (6.6 \u00b1 0.2 \u00d7 106 leukocytes\/mL; p &lt; 0.01) of leukocyte migration, while indomethacin inhibited 78.1% (3.2 \u00b1 0.1 \u00d7 106 leukocytes\/mL; p &lt; 0.01). Based on the results obtained in this study, we conclude that BT-MeOH has peripheral antinociceptive and anti-inflammatory activities. However, more studies need to be conducted to confirm these properties.<\/jats:p>","DOI":"10.3390\/md10091977","type":"journal-article","created":{"date-parts":[[2012,9,18]],"date-time":"2012-09-18T03:49:33Z","timestamp":1347940173000},"page":"1977-1992","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Antinociceptive and Anti-Inflammatory Activities of Crude Methanolic Extract of Red Alga Bryothamnion triquetrum"],"prefix":"10.3390","volume":"10","author":[{"given":"Luiz Henrique Agra","family":"Cavalcante-Silva","sequence":"first","affiliation":[{"name":"LaFI-Laboratory of Pharmacology and Immunity, Institute of Biological Sciences and Health, Federal University of Alagoas, Macei\u00f3 57020-720, AL, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carolina","family":"Barbosa Brito da Matta","sequence":"additional","affiliation":[{"name":"LaFI-Laboratory of Pharmacology and Immunity, Institute of Biological Sciences and Health, Federal University of Alagoas, Macei\u00f3 57020-720, AL, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Morgana Vital","family":"De Ara\u00fajo","sequence":"additional","affiliation":[{"name":"LaFI-Laboratory of Pharmacology and Immunity, Institute of Biological Sciences and Health, Federal University of Alagoas, Macei\u00f3 57020-720, AL, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jos\u00e9 Maria","family":"Barbosa-Filho","sequence":"additional","affiliation":[{"name":"Laboratory of Technology Pharmaceutical, Federal University of Para\u00edba, Jo\u00e3o Pessoa 58051-900, PB, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daysianne","family":"Pereira de Lira","sequence":"additional","affiliation":[{"name":"Laboratory of Technology Pharmaceutical, Federal University of Para\u00edba, Jo\u00e3o Pessoa 58051-900, PB, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B\u00e1rbara Viviana","family":"De Oliveira Santos","sequence":"additional","affiliation":[{"name":"Laboratory of Technology Pharmaceutical, Federal University of Para\u00edba, Jo\u00e3o Pessoa 58051-900, PB, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"George Emmanuel C.","family":"De Miranda","sequence":"additional","affiliation":[{"name":"Laboratory of Marine Algae, Department of Systematics and Ecology, Federal University of Para\u00edba, Jo\u00e3o Pessoa 58051-900, PB, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Magna Suzana","family":"Alexandre-Moreira","sequence":"additional","affiliation":[{"name":"LaFI-Laboratory of Pharmacology and Immunity, Institute of Biological Sciences and Health, Federal University of Alagoas, Macei\u00f3 57020-720, AL, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2012,9,17]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.jff.2010.01.003","article-title":"Development and biological activities of marine-derived bioactive peptides: A review","volume":"2","author":"Kim","year":"2010","journal-title":"J. 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