Microbial hydrogen sulfide hampers L-cell GLP-1 production

IF 3.7 3区 医学 Q2 CHEMISTRY, MEDICINAL
Senegal Carty
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引用次数: 0

Abstract Image

微生物硫化氢阻碍 L 细胞产生 GLP-1
肠道微生物群对消化和新陈代谢健康有很大影响。最近发表在《自然-代谢》(Nature Metabolism)上的一项研究报告称,肠道微生物群释放的硫化氢与肠道中 GLP-1 的产生之间存在联系。为了阐明这种反应背后的机制,研究人员研究了小鼠肠内分泌 L 细胞与脱硫弧菌之间的相互作用。他们发现,将培养的L细胞暴露于脱硫弧菌的培养上清中会抑制GLP-1在葡萄糖作用下的产生。由于脱硫弧菌是硫化氢(H2S)的主要制造者,研究人员用H2S供体硫氢化钠(NaHS)处理细胞,从而检验了H2S抑制L细胞产生GLP-1的假设。与假设相符的是,细胞在接触 NaHS 后产生的 GLP-1 比不接触 NaHS 时少。研究人员还用水杨酸铋(一种能封闭H2S的非处方药物)和脱硫梭菌上清液处理细胞,结果表明这种处理方法能以剂量依赖的方式挽救GLP-1的产生。
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来源期刊
CiteScore
7.90
自引率
7.30%
发文量
215
审稿时长
3.5 months
期刊介绍: Chemical Research in Toxicology publishes Articles, Rapid Reports, Chemical Profiles, Reviews, Perspectives, Letters to the Editor, and ToxWatch on a wide range of topics in Toxicology that inform a chemical and molecular understanding and capacity to predict biological outcomes on the basis of structures and processes. The overarching goal of activities reported in the Journal are to provide knowledge and innovative approaches needed to promote intelligent solutions for human safety and ecosystem preservation. The journal emphasizes insight concerning mechanisms of toxicity over phenomenological observations. It upholds rigorous chemical, physical and mathematical standards for characterization and application of modern techniques.
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