SHORT COMMUNICATION
Effects of methionine-containing dipeptides on αs1 casein expression in bovine mammary epithelial cells
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1
Institute of Dairy Science, Ministry of Education, Key Laboratory of Molecular Animal Nutrition, Zhejiang University, Hangzhou 310029, P.R. China
 
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Wenzhou Municipal Bureau of Animal Production and Health, Wenzhou 325006, P.R. China
 
 
Publication date: 2007-09-17
 
 
Corresponding author
Y. M. Wu   

Institute of Dairy Science, Ministry of Education, Key Laboratory of Molecular Animal Nutrition, Zhejiang University, Hangzhou 310029, P.R. China
 
 
J. X. Liu   

Institute of Dairy Science, Ministry of Education, Key Laboratory of Molecular Animal Nutrition, Zhejiang University, Hangzhou 310029, P.R. China
 
 
J. Anim. Feed Sci. 2007;16(Suppl. 2):325-329
 
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ABSTRACT
Effects of methionine-containing dipetides on αs1casein gene expression were investigated in cultured bovine mammary epithelial cells. αs1casein gene expression was higher in the culture added with methionylmethionine than in that with methionine. Addition of methionyllysine enhanced αs1casein gene expression, compared with methionine plus lysine. These results indicated that mammary epithelial cells can utilize methionine-containing dipeptides for milk protein synthesis with a higher efficiency than the respective amino acid.
 
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ISSN:1230-1388
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