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(UFF-PROPPi)","award":["APQ-01858-15"],"award-info":[{"award-number":["APQ-01858-15"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Toxins"],"abstract":"<jats:p>Background: Snakebite envenomation (SBE) causes diverse toxic effects in humans, including disability and death. Current antivenom therapies effectively prevent death but fail to block local tissue damage, leading to an increase in the severity of envenomation; thus, seeking alternative treatments is crucial. Methods: This study analyzed the potential of two fucoidan sulfated polysaccharides extracted from brown seaweeds Fucus vesiculosus (FVF) and Undaria pinnatifida (UPF) against the fibrinogen or plasma coagulation, proteolytic, and phospholipase A2 (PLA2) activities of Bothrops jararaca, B. jararacussu, and B. neuwiedi venom. The toxicity of FVF and UPF was assessed by the hemocompatibility test. Results: FVF and UPF did not lyse human red blood cells. FVF and UPF inhibited the proteolytic activity of Bothrops jararaca, B. jararacussu, and B. neuwiedi venom by approximately 25%, 50%, and 75%, respectively, while all venoms led to a 20% inhibition of PLA2 activity. UPF and FVF delayed plasma coagulation caused by the venoms of B. jararaca and B. neuwiedi but did not affect the activity of B. jararacussu venom. FVF and UPF blocked the coagulation of fibrinogen induced by all these Bothropic venoms. Conclusion: FVF and UPF may be of importance as adjuvants for SBE caused by species of Bothrops, which are the most medically relevant snakebite incidents in South America, especially Brazil.<\/jats:p>","DOI":"10.3390\/toxins16040188","type":"journal-article","created":{"date-parts":[[2024,4,12]],"date-time":"2024-04-12T04:44:26Z","timestamp":1712897066000},"page":"188","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Effect of Seaweed-Derived Fucoidans from Undaria pinnatifida and Fucus vesiculosus on Coagulant, Proteolytic, and Phospholipase A2 Activities of Snake Bothrops jararaca, B. jararacussu, and B. neuwiedi Venom"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8282-529X","authenticated-orcid":false,"given":"Camila","family":"Castro-Pinheiro","sequence":"first","affiliation":[{"name":"Department of Molecular and Cellular Biology, Federal Fluminense University, Niter\u00f3i 24001-970, Rio de Janeiro, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luiz Carlos Simas Pereira","family":"Junior","sequence":"additional","affiliation":[{"name":"Department of Molecular and Cellular Biology, Federal Fluminense University, Niter\u00f3i 24001-970, Rio de Janeiro, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eladio Flores","family":"Sanchez","sequence":"additional","affiliation":[{"name":"Laboratory of Biochemistry of Proteins from Animal Venoms, Research and Development Center, Ezequiel Dias Foundation, Belo Horizonte 30510-010, Minas Gerais, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ana Cl\u00e1udia Rodrigues","family":"da Silva","sequence":"additional","affiliation":[{"name":"Department of Molecular and Cellular Biology, Federal Fluminense University, Niter\u00f3i 24001-970, Rio de Janeiro, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8437-0743","authenticated-orcid":false,"given":"Corinna A.","family":"Dwan","sequence":"additional","affiliation":[{"name":"Marinova Pty, Ltd., Cambridge, TAS 7170, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-4225-8626","authenticated-orcid":false,"given":"Samuel S.","family":"Karpiniec","sequence":"additional","affiliation":[{"name":"Marinova Pty, Ltd., Cambridge, TAS 7170, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1704-458X","authenticated-orcid":false,"given":"Alan Trevor","family":"Critchley","sequence":"additional","affiliation":[{"name":"Independent Researcher, The Evangeline Trail, Highway 1, Paradise, NS B0S 1R0, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5265-5258","authenticated-orcid":false,"given":"Andre Lopes","family":"Fuly","sequence":"additional","affiliation":[{"name":"Department of Molecular and Cellular Biology, Federal Fluminense University, Niter\u00f3i 24001-970, Rio de Janeiro, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,4,12]]},"reference":[{"key":"ref_1","unstructured":"World Health Organization (2023). 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