首页|Comparative analysis on the immunoregulatory roles of ferritin M in hybrid fish (Carassius cuvieri female x Carassius auratus red var male) and its parental species after bacterial infection

Comparative analysis on the immunoregulatory roles of ferritin M in hybrid fish (Carassius cuvieri female x Carassius auratus red var male) and its parental species after bacterial infection

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Ferritin M is involved in the regulation of fish immunity. In this study, open reading frame (ORF) sequences of ferritin M from hybrid fish and its parental species were 534 bp. Tissue-specific analysis indicated that the highest level of ferritin M from red crucian carp was observed in kidney, while peaked expressions of ferritin M from white crucian carp and hybrid carp were observed in gill. Elevated levels of ferritin M from hybrid carp and its parental species were detected in immune-related tissues following Aeromonas hydrophila infection or in cultured fish cell lines after lipopolysaccharide (LPS) challenge. Ferritin M overexpression could attenuate NF-kappa B and TNF alpha promoter activity in their respective fish cells. Purified ferritin M fusion proteins elicited in vitro binding activity to A. hydrophila and Edwardsiella tarda, lowered bacterial dissemination to tissues and alleviated inflammatory response. Furthermore, treatment with ferritin M fusion proteins could mitigate bacteria-induced liver damage and rescue antioxidant activity. These results suggested that ferritin M in hybrid fish showed a similar immune defense against bacteria infection in comparison with those of its parental species.

Hybrid fishFerritin MInnate immunityBacterial infectionORANGE-SPOTTED GROUPERFRESH-WATER FISHNF-KAPPA-BAEROMONAS-HYDROPHILACRUCIAN CARPEPINEPHELUS-COIOIDESFUNCTIONAL-ANALYSISEXPRESSION ANALYSISEDWARDSIELLA-TARDAMOLECULAR-CLONING

Xiong, Ning-Xia、Huang, Jin-Fang、Li, Ke-Xin、Li, Shi-Yun、Zhao, Jia-Hui、Wang, Rou、Ou, Jie、Fan, Lan-Fen、Luo, Sheng-Wei、Liu, Shao-Jun

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Hunan Normal Univ

South China Agr Univ

2022

Fish & Shellfish Immunology

Fish & Shellfish Immunology

SCI
ISSN:1050-4648
年,卷(期):2022.126
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