硫化氢 (H 2 S) 是一种重要的细胞信号分子,具有良好的保护作用。尽管已经开发了许多可触发的H 2 S供体,但生物系统中H 2 S释放的时空反馈仍然是H 2 S供体开发中的关键挑战。在此,我们报道了笼状硫代碳酸酯作为新型荧光H 2 S供体的合成、评价和应用。这些分子依靠硫基硫代碳酸酯的硫醇裂解来释放羰基硫 (COS),该硫醚可通过碳酸酐酶 (CA)快速转化为 H 2 S。该方法是 H 2 S 释放的新策略,并且不会释放基于 COS 的 H 2 S 释放基序常见的亲电副产物。重要的是,COS/H 2 S的释放伴随着荧光报告剂的释放,这使得能够通过荧光光谱或显微镜实时跟踪H 2 S。根据荧光团的选择,可以释放一或两个当量的H 2 S,从而允许调节荧光供体的动态范围。我们证明荧光响应与定量的 H 2 S 释放直接相关,并且还证明了这些供体的活细胞相容性。此外,这些荧光供体在 RAW 264.7
[EN] COMPOUNDS FOR THIOL-TRIGGERED COS AND/OR H2S RELEASE AND METHODS OF MAKING AND USING THE SAME<br/>[FR] COMPOSÉS POUR LA LIBÉRATION DE COS ET/OU DE H2S DÉCLENCHÉE PAR THIOL ET LEURS PROCÉDÉS DE FABRICATION ET D'UTILISATION
申请人:UNIV OREGON
公开号:WO2019231503A1
公开(公告)日:2019-12-05
Disclosed herein are embodiments of a compound that is capable of releasing COS and/or H2S upon reaction with a thiol-containing compound. The compound embodiments also can produce a detectable signal (e.g., a fluorescent signal) substantially concomitantly with COS and/or H2S release and/or can release an active agent, such as a therapeutic agent. Methods of making and using the compound embodiments also are disclosed.
An Expanded Palette of Fluorescent COS/H2S‐Releasing Donors for H2S Delivery, Detection, and In Vivo Application
作者:Kaylin G. Fosnacht、Jonathan Dorogin、Payton M. Jefferis、Marian H. Hettiaratchi、Michael D. Pluth
DOI:10.1002/anie.202402353
日期:2024.6.10
We report a palette of fluorescent turn-on COS/H2S donors that are based on a sulfenyl thiocarbonate scaffold. Reaction with thiols generates H2S and a fluorescent response that can be monitored in situ, in live cells, and in live rats.
我们报告了基于硫代碳酸硫基酯支架的荧光开启 COS/H 2 S 供体调色板。与硫醇的反应产生 H 2 S 和荧光反应,可以在活细胞和活大鼠中进行原位监测。