Effect of Orally Administered Taurine on Myofibrillar Proteolysis and Expression of Proteolytic-Related Genes of Skeletal Muscle in Chicks
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- Nakashima Kazuki
- Molecular Nutrition Research Team, National Institute of Livestock and Grassland Science, Japan
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- Ishida Aiko
- Molecular Nutrition Research Team, National Institute of Livestock and Grassland Science, Japan
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- Katsumata Masaya
- Molecular Nutrition Research Team, National Institute of Livestock and Grassland Science, Japan
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We examined the effect of orally administration of taurine on myofibrillar proteolysis in food-deprived chicks. Chicks were food-deprived of 24 hours (h) and then chicks were orally administered 57, 133, or 225mg taurine/100g body weight. Two hours after the administration, the animals were killed and gastrocnemius muscle was taken. Myofibrillar proteolysis was determined based on plasma Nτ-methylhistidine concentrations. Expression of proteolytic-related genes in the muscle was determined by real-time PCR analysis. The administration of taurine decreased myofibrillar proteolysis, as well as the levels of mRNA expression of m-calpain, the C1 and C2 proteasomal subunits, and caspase-3, whereas had no effect on the levels of mRNA expression of ubiquitin, atrogin-1/MAFbx and cathepsin B. These results indicate that oral administration of taurine suppresses myofibrillar proteolysis and the expression of proteolytic-related genes in skeletal muscle of chicks.
収録刊行物
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- The Journal of Poultry Science
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The Journal of Poultry Science 46 (4), 328-333, 2009
日本家禽学会
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詳細情報 詳細情報について
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- CRID
- 1390001205208199936
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- NII論文ID
- 130004446314
- 10025549564
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- NII書誌ID
- AA11564513
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- ISSN
- 13490486
- 13467395
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- NDL書誌ID
- 10404724
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可