不同脂肪源对肉仔鸡肝脏中脂肪代谢相关基因表达的影响  

Effect of Differential Fat Sources on Genes Expression of LipidMetabolism in Liver of Broiler Chickens

作　　者：段铭[1] 高宏伟[1] 郝黎明[1] 

机构地区：[1]解放军军需大学中心实验室,吉林长春130062

出　　处：《中国畜牧杂志》2003年第6期7-9,共3页Chinese Journal of Animal Science

摘　　要：本试验运用牛油、豆油、鱼油三种脂肪酸组成不同的脂肪源设计日粮 ,因而其对肉仔鸡肝脏中FAS、ACC、HMG -COA还原酶基因的mRNA的表达量的影响也存在差异。结果表明富含PUFA的鱼油相对其它脂肪源对此三种基因表达的抑制作用最为明显。运用RT -PCR定量的三种基因的mRNA的量分别比牛油组下降了 5 0 .35 %、4 0 .35 %和81.4 9% ,差异显著 (P <0 .0 5 )。而豆油组中此三种基因的表达相对牛油组下降了 1.4 8%、2 0 .6 9%、2 4 .5 3% ,其抑制效果不如鱼油。The objective of the research was to demonstrate the change in hepatic abundance of FAS,ACC,HMG-CoA reductase mRNAs under beef tallow,soybean oil and fish oil.RT-PCR was applied to evaluate mRNAs abundance.Dietary fish oil reduced by 50.35%、40.35% and 81.49% the hepatic abundance of FAS,ACC,HMG-CoA reductase compared with beef tallow.Fish oil,rich in polyunsaturated fatty acid ,was more effective than soybean oil,which reduced by 1.48%、20.69% and 24.53% respectively compared with beef tallow.

关 键 词：脂肪源 肉仔鸡 肝脏 脂肪代谢 基因表达 影响因素 

分 类 号：S831[农业科学—畜牧学]