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Enhancement of Hypoxia Tolerance of Gibel Carp (Carassius auratus gibelio) via a Ferroporphyrin-Rich Diet

文献类型： 外文期刊

作者： Liang, Hualiang 1 ; Mi, Haifeng 2 ; Wang, Kai 3 ; Ren, Mingchun 1 ; Zhang, Lu 2 ; Huang, Dongyu 1 ; Gu, Jiaze 4 ;

作者机构： 1.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Integrated Rice Fish Farming Ecol, Minist Agr & Rural Affairs, Wuxi 214081, Peoples R China

2.Tongwei Co Ltd, Hlth Aquaculture Key Lab Sichuan Prov, 588 Tianfu Ave, Chengdu 610093, Peoples R China

3.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai 201306, Peoples R China

4.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214081, Peoples R China

关键词： gibel carp (Carassius auratus gibelio); ferroporphyrin; hypoxia stress; metabolism; oxygen transport; antioxidant capacity; diet trial

期刊名称：ANTIOXIDANTS （ 影响因子：6.6； 五年影响因子：7.3 ）

ISSN：

年卷期： 2025 年 14 卷 6 期

页码：

收录情况： SCI

摘要： Gibel carp (Carassius auratus gibelio) were hypoxia stressed for 12 h after an 8-week FPR nutrient-enriched feeding experiment, which was to evaluate the role of FPR in hypoxic stress in gibel carp (Carassius auratus gibelio). The dissolved oxygen was reduced to a range of 0.6 +/- 0.2 mg/L. Results showed that FPR supplementation could maintain the osmotic pressure equilibrium by improving the ion concentrations of plasma including Na+, Ca+ and K+, and Na+/K+-ATPase activity of liver. FPR supplementation could effectively enhance the antioxidant capacity by improving the levels of GPX, SOD, CAT, and GSH, and reduce the level of MDA. FPR supplementation could improve the core gene expressions of Nrf2 signalling pathway including nrf2, sod, ho-1, gpx, and cat. The high levels of FPR supplementation (0.04%) might had a negative effect on immunity. FPR supplementation could improve the expression levels of HIF-1 signalling pathway-related genes to adapt to hypoxia condition including hif-1 alpha, epo, angpt1, vegf, et1, and tfr-1. These results also were supported by higher SR and number of gill mitochondria in FPR supplementation. In general, the appropriate FPR supplementation was 0.01% based on the results of this study and economic cost, which could heighten hypoxic adaptation and SR.

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