肠道微生物群产生孕激素

IF 3.7 3区 医学 Q2 CHEMISTRY, MEDICINAL
Claire Greenhill
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引用次数: 0

摘要

肠道微生物群在改变宿主类固醇方面发挥作用,但这种相互作用的确切性质一直不清楚。新的研究表明,肠道微生物群中的某些生物会产生神经类固醇异孕酮(孕酮的一种衍生物),并确定了产生这种物质的机制。"类固醇是非常有效的信号分子,但这也意味着它们在血液和组织中的含量很低,因此很难检测和量化,"论文作者斯隆-德夫林解释说。德夫林及其同事利用质谱技术和健康女性的粪便样本发现,21-脱羟基依赖于某些细菌(Eggerthella lenta 和 Gordonibacter pamelaeae)的存在。他们还利用比较基因组学确定了参与 21-脱羟基的细菌基因簇。研究发现,氢气(在本例中由大肠杆菌产生)是必需的,因为氢气能促进 21-脱羟基反应。"德夫林说:"换句话说,异孕烷醇酮的产生是肠道细菌合作代谢的一个例子:一些细菌产生氢气,从而促进其他肠道细菌产生异孕烷醇酮。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Progestin production by the gut microbiota

Progestin production by the gut microbiota
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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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