由肠道微生物群衍生出来的脱氧醇酸介导着吉普诺酸的炼性能增强功效
Xiangchang Yin1, Xiaojuan Chen1, Guang Yang1
1Beijing Institute of Radiation Medicine, Beijing 100850, China.
概括
吉普诺化物通过改变肠道微生物群和增加像DCA这样的胆汁酸来提高运动表现. 这项研究揭示了DCA作为一个关键的调解者,模仿Gyp.
科学领域:
- 运动生理学 运动生理学
- 微生物组研究的研究.
- 药理学 药理学是指药理学的学科.
背景情况:
- 药理干预可以增强运动适应性,以提高运动表现和生活质量.
- 吉普诺化物 (Gyp) 改善运动性能和肌肉功能,但其机制尚不清楚.
研究的目的:
- 研究肠道微生物群 (GM) 在Gyp.的运动性能增强中的作用.
- 阐明Gyp增强运动能力的机制.
主要方法:
- 使用行为测试,免疫光,16S rRNA测序和代谢学评估耐力表型.
- 利用转基因和胆酸耗尽模型来评估Gyp的疗效.
- 在Gyp中使用UPLC-Q/TOF-MS和光酶试验识别了FXR抗剂;在体外和体内验证了DCA的效果.
主要成果:
- 吉普治疗改善了耐力,转移了肌纤维类型,并重塑了转基因,丰富了二次胆酸 (BA).
- 吉普抑制了肠道的FXR信号,增加了像脱氧醇酸 (DCA) 这样的二次BA.
- 通过激活TGR5-cAMP-PKA信号,DCA增强了肌体分化,并模仿了Gyp的性能增强效应.
结论:
- 吉普作为炼模仿剂,GM作为身体性能增强的关键目标.
- 通过DCA介导的TGR5激活为药理学向运动适应提供了新的见解.
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