Influence of glutamine and vitamin E on growth and antioxidant capacity of fish enterocytes
2009
Jiang, J. | ZHENG, T. | ZHOU, X.-Q. | LIU, Y. | FENG, L.
The present study explored the effect of glutamine and vitamin E on growth and anti-oxidation capacity of isolated fish enterocytes. Fish enterocytes were cultured with six medium, respectively, containing 0, 2.0, 4.7, 6.8, 8.1, 9.2 mmol L⁻¹ glutamine for 64 h. The results showed that glutamine could promote fish enterocytes proliferation and differentiation. Fish enterocytes were cultured with different medium containing 0, 2.5, 3.5, 4.5, 6.0, 7.0 μg mL⁻¹ vitamin E for 96 h. The results showed that cells proliferation and differentiation were not significantly enhanced, but anti-superoxide anion activity, anti-hydroxy radical activity, reduced glutathione concentration, the ratio between reduced and total glutathione in the cells were significantly enhanced, and the malondialdehyde concentration in the culture medium was significantly depressed with the vitamin E treatment. In the whole, the present results firstly indicated that glutamine could promote fish enterocytes growth, but vitamin E could not. Vitamin E could promote fish enterocytes antioxidant capacity and cellular structural integrity. These data would be instructive for glutamine and vitamin E supplement in aquaculture diets.
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