胰岛素与PPARγ激动剂相互作用,促进牛脂肪细胞分化
Pan Pan Guo1, Xue Rui Yao2, Yong Nan Xu3
1Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, PR China; Healthcare International Innovation Institute, Jiangmen 529020, PR China; Guangdong University of Technology, Guangzhou 510000, PR China; Engineering Research Centre of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education, Department of Animal Science, College of Agriculture, Yanbian University, Yanji 133002, PR China.
胰岛素,油酸和雪格利塔通过增加脂质积累来增强牛前脂肪细胞的分化. 油酸作为氧酶增殖器激活的受体-γ激动剂,与胰岛素一起在促进脂肪生成和脂质生成基因表达方面特别有效.
科学领域:
- * 动物科学和分子生物学
- *专注于动物细胞分化和基因表达.
背景情况:
- *胰岛素是一种关键的脂肪生成激素,它调节了前脂肪细胞的分化.
- * 齐格利塔和油酸 (OA) 是过氧酶增殖器激活受体-γ (PPARγ) 激动剂,促进脂肪细胞分化.
- *了解这些化合物与胰岛素的协同作用对于畜牧养殖至关重要.
研究的目的:
- * 研究胰岛素,西格利塔和油酸对牛前脂肪细胞分化的联合作用.
- * 分析与增强脂肪生成相关的分子和转录组变化.
主要方法:
- *来自延比牛的牛前脂肪细胞用胰岛素,西格利塔和油酸进行培养.
- *测量了甘油三含量和脂质滴滴积累.
- * 用转录基因技术分析基因表达,包括差异表达基因 (DEG) 和基因和基因组的京都百科全书 (KEGG) 路径分析.
主要成果:
- * 胰岛素,西格利塔和油酸治疗显著增加了甘油三含量和脂质滴滴积累.
- * 与胰岛素和PPARγ激动剂同时治疗可提高参与脂肪生成和脂肪酸合成的基因的调节.
- *KEGG分析强调了PPAR信号,FOXO信号和脂肪酸代谢途径的丰富.
结论:
- *油酸与胰岛素结合,有效促进牛前脂肪细胞的分化和脂质生成.
- *这些发现支持针对性基因查的潜力,以改善牛养殖计划中的肌肉内脂肪沉积和肉质.
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