Glutamine Supplementation Prevents the Decrease of Mitogen Response after a Treadmill Exercise in Rats.
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概要
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The effect of glutamine (Gln)-supplemented diet on mi-togen response decreased immediately after a treadmill exercise was examined by measuring the proliferations of peripheral blood lympho-cytes (PBL) with phytohemagglutinin (PHA) and concanavalin A (ConA) in male Fisher rats. Although the plasma Gin concentration was significantly decreased in the control group immediately after a treadmill exercise (20 m/min, 60 min) compared to rested rats, plasma Gin concen-tration of rats fed Gln-supplemented diet for 3 weeks was significantly higher than that of control group in resting and was not significantly decreased even immediately after a treadmill exercise. In addition, proliferation of PBL with PHA or ConA and interleukin 2 (IL2) produc-tion were also significantly decreased immediately after a treadmill exer-cise in control group. On the contrary, their functions were almost maintained in Gin-supplemented group even immediately after a treadmill exercise. PBL from rats fed Gln-supplemented diet showed a higher response to mitogens such as PHA and ConA compared to the control group. Furthermore, their PBL showed higher incorporation of [3H]Gln compared to that of the control group irrespective of treadmill exercise. These results indicate that the preventive effect of Gln-supplemented diet on mitogen response decreased after a treadmill exercise is due to an increased response to mitogen and increased uptake of Gin as sources of fuel and nucleotides to the immune cells.
- 財団法人 学会誌刊行センターの論文
著者
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Kishino Yasuo
Department Of Nutrition School Of Medicine The University Of Tokushima
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Moriguchi Satoru
Department Of Human Nutrition Faculty Of Nursing And Human Nutrition Yamaguchi Prefectural Universit
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MORIGUCHI Satoru
Department of Nutrition, School of Medicine, The University of Tokushima
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MIWA Hitomi
Department of Nutrition, School of Medicine, The University of Tokushima
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MIWA Hitomi
Department of Nutrition
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KISHINO Yasuo
Department of Nutrition
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