Expression patterns of peroxisome proliferator-activated receptor gamma 1 versus gamma 2, and their association with intramuscular fat in goat tissues
文献类型: 外文期刊
第一作者: Li, Li
作者: Li, Li;Jiang, Jing;Wang, LinJie;Zhong, Tao;Chen, Bo;Zhan, Siyuan;Zhang, Hongping;Li, Li;Du, Lixin
作者机构:
关键词: Expression;Goat;In situ hybridization;Intramuscular fat;Peroxisome proliferator-activated receptor gamma;Skeletal muscle
期刊名称:GENE ( 影响因子:3.688; 五年影响因子:3.329 )
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收录情况: SCI
摘要: Intramuscular fat (IMF) shortage causes the lack of juiciness and tenderness of goat meat, while peroxisome proliferator-activated receptor gamma 1 ( PPARγ1) and gamma 2 ( PPARγ2) play key roles in lipid metabolism. Nevertheless, their expression patterns and the relationship with IMF have been poorly exposed. Using quantitative polymerase chain reaction (qPCR), classical Soxhlet extraction, and in situ hybridization, we demonstrated that among 13 goat tissues, expression of PPARγ1 was dramatically higher than that of PPARγ2 except for lung. We further demonstrated the expression patterns of PPARγ1 and PPARγ2 and their negative association with intramuscular fat content in three goat muscles with kids growing. Meanwhile, PPARγ expression was located in the connective tissues. These results suggest that PPARγ1 is rather active for most tissues of goat, and closely related with the muscular fat metabolism during early postnatal life, but a more direct proof remains to be provided.
分类号: R394
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