期刊
JOURNAL OF FUNCTIONAL FOODS
卷 14, 期 -, 页码 87-94出版社
ELSEVIER
DOI: 10.1016/j.jff.2015.01.038
关键词
Cod protein; Triacylglycerol; Desaturase index; Stearoyl-CoA desaturase; KK-A(y) mice
资金
- Grants-in-Aid for Scientific Research [26850076] Funding Source: KAKEN
This study investigated the effects of cod protein (CP) on the serum, liver, fecal lipid contents and fatty acid (FA) composition in the liver of obese type-2 diabetic KK-A(y) mice. Male KK-A(y) mice were fed a casein-based semi-purified diet (Control) or a diet with substitution of part of the dietary protein (50%) by CF for 4 weeks. The CF diet significantly decreased the contents of serum triacylglycerol (TAG), serum non-esterified FAs, serum alanine aminotransferase, and liver TAG compared with the Control diet. In addition, dietary CP decreased saturated FA, monounsaturated FA, and the FA desaturase indices (C16:1/C16:0 and C18:1/C18:0) in the liver. The changes in FA desaturase indices induced by the FP diet could be inhibited by stearoyl-CoA desaturase (SCD)-1 activity due to suppression of the SCD-1 mRNA expression level. These results suggest that the intake of CF has a beneficial effect on the liver in the presence of obesity and diabetes. (C) 2015 Elsevier Ltd. All rights reserved.
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