Potential contribution of the glutathione S-transferase supergene family to resistance to oxidative stress

J D Hayes, R C Strange

    Research output: Contribution to journalReview articlepeer-review

    329 Citations (Scopus)

    Abstract

    The glutathione S-transferase (GST) supergene family comprises gene families that encode isoenzymes that are widely expressed in mammalian tissue cytosols and membranes. Both cytosolic (particularly the isoenzymes encoded by the alpha, mu and theta gene families) and microsomal GST catalyse the conjugation of reduced glutathione (GSH) with a wide variety of electrophiles which include known carcinogens as well as various compounds that are products of oxidative stress including oxidised DNA and lipid. Indeed, several lines of evidence suggest certain of these isoenzymes play a pivotal role in protecting cells from the consequences of such stress. An assessment of the importance of these GST in humans is presently difficult however, because the number of alpha and theta class genes is not known and, the catalytic preferences of even identified isoforms is not always clear.

    Original languageEnglish
    Pages (from-to)193-207
    Number of pages15
    JournalFree Radical Research
    Volume22
    Issue number3
    Publication statusPublished - Mar 1995

    Keywords

    • Animals
    • Glutathione Transferase/genetics
    • Humans
    • Isoenzymes/genetics
    • Oxidative Stress/physiology

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