酸盐的积累控制脂肪组织热生成的激活
Evanna L Mills1,2, Kerry A Pierce3, Mark P Jedrychowski1,2
1Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA.
Nature
|July 20, 2018
概括
在脂肪组织中酸盐的积累会独立于传统途径触发发热生成. 这一发现揭示了一种新方法来对抗肥胖和改善新陈代谢.
科学领域:
- 代谢途径
- 脂肪组织生物学
- 热生成
背景情况:
- 棕色和色脂肪组织的热生成可以对抗代谢疾病.
- 通过循环AMP蛋白激酶A进行上腺体信号传递,启动热生成.
- 这一途径一直是临床研究的重点.
研究的目的:
- 确定控制脂肪组织热生成的新代谢途径.
- 调查酸盐在热生成中的作用.
- 探索酸盐作为代谢障碍的治疗点.
主要方法:
- 比较的代谢学方法.
- 在小鼠体内的研究.
- 对反应性氧物种的产生和UCP1依赖的热生成的分析.
主要成果:
- 酸盐的积累是脂肪组织热生成的标志.
- 苏酸可独立于上腺体信号来激活热生成呼吸.
- 系统性施用苏克辛酸可启动热生成并防止肥胖.
- 通过糖酸脱酶氧化对热生成至关重要.
结论:
- 酸盐是脂肪组织热生成的独立代谢调节剂.
- 苏酸作为一个系统衍生的热生成分子.
- 对肥胖和代谢功能障碍的治疗有潜在的策略.
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