Cloning and expression of stearoyl-CoA desaturase 1 (SCD-1) in the liver of the Sichuan white goose and landes goose responding to overfeeding
文献类型: 外文期刊
作者: Pan, Zhi-xiong 1 ; Han, Chun-chun 1 ; Wang, Ji-wen 1 ; Li, Liang 1 ; Tang, Hui 1 ; Lv, Jia 1 ; Lu, Lizhi 2 ; Xu, Feng 1 ;
作者机构: 1.Sichuan Agr Univ, Coll Anim Sci & Technol, Key Lab Anim Genet Resources, Yaan 625014, Sichuan, Peoples R China
2.Zhejiang Acad Agr Sci, Inst Anim Sci & Vet Med, Hangzhou 310021, Zhejiang, Peoples R China
关键词: insulin: 9004-10-8;messenger RNA: mRNA;expression;complementary DNA: cDNA;very low-density lipoprotein: VLDL;triacylglycerol;lipid metabolism;GenBank sequence data;overfeeding effect
期刊名称:MOLECULAR BIOLOGY REPORTS ( 影响因子:2.316; 五年影响因子:2.357 )
ISSN:
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收录情况: SCI
摘要: The EST sequence of goose (Anser cygnoides) Stearoyl-CoA desaturase 1(SCD-1) was obtained from a subtractive cDNA library. To further investigate the role of SCD-1 in lipid metabolism in geese, 5'-RACE and 3'-RACE were carried out in this study to obtain the complete cDNA sequence of goose SCD-1, which contained a 29-bp 5' UTR, a 1074-bp open reading frame (ORF) encoding 357 amino acids, and a 125-bp 3' UTR. The expression of SCD-1 was measured in several tissues, and the effects of overfeeding on the expression of SCD-1 were studied. The results of real time RT-PCR demonstrated that, compared to the brain, goose SCD-1 mRNA was more abundant in the liver. Overfeeding markedly increased the mRNA expression of SCD-1 in the liver of Sichuan White and Landes geese, and gene expression was markedly higher in the Sichuan White goose than in the landes goose. The mRNA abundance of SCD-1 in the liver had significant positive correlations with triacylglycerol (TG) content in liver lipids and in the levels of plasma insulin and very low-density lipoproteins (VLDL) levels in Sichuan white geese. However, the mRNA abundance of SCD-1 in the livers of Landes geese had only significant positive correlations with the TG content in liver lipids. In conclusion, SCD-1 is not only critical for hepatic steatosis in geese but is also important for the difference in lipid deposition in the livers of the two breeds.
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