Effects of dietary caffeic acid supplement on antioxidant, immunological and liver gene expression responses, and resistance of Nile tilapia, Oreochromis niloticus to Aeromonas veronii

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dc.authoridYılmaz, Sevdan/0000-0002-4809-5809
dc.contributor.authorYılmaz, Sevdan
dc.date.accessioned2025-01-27T20:47:37Z
dc.date.available2025-01-27T20:47:37Z
dc.date.issued2019
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe present study investigated the effects of dietary caffeic acid on haematological, serum biochemical, nonspecific immune and liver gene expression responses of Nile tilapia, Oreochromis niloticus. Five experimental groups of fish with mean weights of 89.85 +/- 2.5 g were used in the study; three of them were fed with caffeic acid incorporated diets (1 g kg(-1)-Cafl, 5 g kg(-1)-Caf5, 10 g kg(-1)-Caf10), whereas an additive free basal diet served as the control. Additionally, the fifth group was an antibiotic medicated diet (0.02 g kg(-1)-AMF), prepared with the florfenicol. Dietary caffeic acid especially at 5 g kg(-1) significantly increased phagocytic index, potential killing activity, respiratory burst activity, serum myeloperoxidase activity and serum catalase activity. Furthermore, increased levels of immune expression [heat shock protein 70 (HSP70), interleukin 1, beta (IL-1 beta), tumor necrosis factor (TNF-alpha), CC-chemokine (CC1), interleukin 8 (IL-8), toll-like receptor 7 (tlr-7), interferon gamma (IFN-gamma) and immunoglobulin M (IgM)] and antioxidant related genes [superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx)] in the liver of fish fed with 5 g kg(-1) caffeic acid. At the end of the 20-day challenge period the survival rates were significantly higher in the Caf5 and AMF groups compared to all other treatment groups. As a result, feeding Nile tilapia with a diet containing 5 g kg(-1) caffeic acid over a period of 60 days might be adequate to improve fish immune parameters, antioxidant status, as well as survival rate against A. veronii, similar to antibiotic treatment. Thus caffeic acid can be suggested as a dietary substitute for antibiotic to prevent A. veronii in tilapia.
dc.identifier.doi10.1016/j.fsi.2018.11.068
dc.identifier.endpage392
dc.identifier.issn1050-4648
dc.identifier.issn1095-9947
dc.identifier.pmid30502464
dc.identifier.scopus2-s2.0-85057451261
dc.identifier.scopusqualityQ1
dc.identifier.startpage384
dc.identifier.urihttps://doi.org/10.1016/j.fsi.2018.11.068
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24983
dc.identifier.volume86
dc.identifier.wosWOS:000459528400045
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherAcademic Press Ltd- Elsevier Science Ltd
dc.relation.ispartofFish & Shellfish Immunology
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectNile tilapia
dc.subjectCaffeic acid
dc.subjectInnate immunity
dc.subjectCytokine response
dc.subjectAeromonas veronii
dc.titleEffects of dietary caffeic acid supplement on antioxidant, immunological and liver gene expression responses, and resistance of Nile tilapia, Oreochromis niloticus to Aeromonas veronii
dc.typeArticle

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