A procedure to quantitate picomole amounts of hydroperoxides based on GSSG formation is described. Hydroperoxides are incubated with GSH and glutathione peroxidase, and the GSSG formed is measured by a GSSG-specific glutathione reductase recycling assay. Prior to analysis the remaining GSH is remove
✦ LIBER ✦
Hepatoprotection by L-cysteine-glutathione mixed disulfide, a sulfhydryl-modified prodrug of glutathione
✍ Scribed by Lorelle I. Berkeley; Jonathan F. Cohen; Daune L. Crankshaw; Frances N. Shirota; Herbert T. Nagasawa
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 56 KB
- Volume
- 17
- Category
- Article
- ISSN
- 1095-6670
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✦ Synopsis
Abstract
L‐Cysteine‐glutathione disulfide, a ubiquitous substance present in mammalian cells, was shown to be highly effective in protecting mice against acetaminophen‐induced hepatotoxicity. Since the corresponding D‐cysteine‐glutathione disulfide was totally ineffective in this regard, an enzymatic mechanism that provides glutathione directly to cells is postulated. © 2003 Wiley Periodicals, Inc. J Biochem Mol Toxicol 17:95–97, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/jbt.10069
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