Thymomodulin enhances vaccination responses against Streptococcus agalactiae in Nile tilapia

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Autor(es): dc.contributorUniversidade Estadual Do Norte Do Paraná-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade Federal Do Oeste Do Pará-
Autor(es): dc.contributorUniversidad Científica Del Sur-
Autor(es): dc.creatorSalvador, Rogério-
Autor(es): dc.creatorMarcusso, Paulo Fernandes-
Autor(es): dc.creatorClaudiano, Gustavo Silva-
Autor(es): dc.creatorMarinho-Neto, Fausto Almeida-
Autor(es): dc.creatorYunis-Aguinaga, Jefferson-
Autor(es): dc.creatorRamos-Espinoza, Fernando Carlos-
Autor(es): dc.creatorCueva-Quiroz, Victor Alexander-
Autor(es): dc.creatorDe Moraes, Julieta Rodini Engracia-
Data de aceite: dc.date.accessioned2025-08-21T15:42:37Z-
Data de disponibilização: dc.date.available2025-08-21T15:42:37Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2022-10-18-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.5965/223811712132022282-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/246804-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/246804-
Descrição: dc.descriptionStreptococcosis caused by Streptococcus agalactiae is a major economic problem for Nile tilapia Oreochromis niloticus production worldwide. Inactivated vaccines are considered an efficient method for controlling streptococcosis. However, during the vaccination process, stress during fish handling could affect the immune response. Immunomodulators, such as thymomodulin, act on the immune system and can improve vaccination responses. Thus, the aim of this study was to assess the immunomodulatory effect of thymomodulin in O. niloticus vaccinated against S. agalactiae. For this, fish were distributed in a factorial design (2x2x6), corresponding to two levels of thymomodulin supplementation (0.0 and 0.3%), two treatments (sterile phosphate buffered saline and inactivated S. agalactiae vaccine). Initially, fish received thymomodulin supplementation for 30 days. Next, fish were vaccinated by injection intraperitoneal (i.p.) of heat inactivated S. agalactiae vaccine. 15 days after vaccination, all fish were challenged i.p. with S. agalactiae and blood samples were collected at 7, 14, 21 days post infection (DPI). Results revealed that fish supplemented with thymomodulin vaccinated or not developed better protection against S. agalactiae than vaccinated fish without thymomodulin. Furthermore, fish vaccinated and supplemented with thymomodulin presented high levels of antibodies after 14 and 21 DPI, suggesting that thymomodulin can promote the immune response in Nile tilapia.-
Descrição: dc.descriptionUniversidade Estadual Do Norte Do Paraná, PR-
Descrição: dc.descriptionUniversidade Estadual Paulista Júlio de Mesquita Filho, SP-
Descrição: dc.descriptionUniversidade Federal Do Oeste Do Pará, PA-
Descrição: dc.descriptionUniversidad Científica Del Sur-
Descrição: dc.descriptionUniversidade Estadual Paulista Júlio de Mesquita Filho, SP-
Formato: dc.format282-289-
Idioma: dc.languageen-
Relação: dc.relationRevista de Ciencias Agroveterinarias-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectFish vaccines-
Palavras-chave: dc.subjectimmunostimulant-
Palavras-chave: dc.subjectstreptococcosis-
Palavras-chave: dc.subjectthymic extract-
Título: dc.titleThymomodulin enhances vaccination responses against Streptococcus agalactiae in Nile tilapia-
Título: dc.titleTimomodulina melhora as respostas vacinais contra Streptococcus agalactiae em tilápia-do-Nilo-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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