SpringerProtocols: Abstract: Microtiter Plate Technique for the Measurement of Glutathione in Fresh and Cryopreserved Lymphoblasts Using the Enzyme Recycling Method

Microtiter Plate Technique for the Measurement of Glutathione in Fresh and Cryopreserved Lymphoblasts Using the Enzyme Recycling Method

By: Pamela R. Kearns³, Andrew G. Hall³

Abstract

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Glutathione is an intracellular, nonprotein thiol that appears to play an important role in protection of the cell against cytotoxic drugs (1) and has been implicated in the control of cell cycling (2,3) and apoptosis (4,5). It can exist in an oxidized (disulfide, [GSSG]) and a reduced (sulphydryl, [GSH]) form. In general, GSSG comprises less than 1% of the total intracellular glutathione. In circumstances of oxidative stress, GSH dimerizes to form glutathione disulfide (GSSG), making protons available to neutralize reactive oxygen species (Reaction 1). In vivo, reduction of GSSG is catalysed by glutathione reductase, efficiently regenerating high intracellular GSH levels (Reaction 2)

Affiliation(s): (3) Paediatric Oncology Laboratory, Cancer Research Unit, University of Newcastle Upon Tyne, Medical School, Newcastle Upon Tyne, UK

Book Title: Cytotoxic Drug Resistance Mechanisms

Series: Methods in Molecular Medicine | Volume: 28 | Pub. Date: Apr-05-1999 | Page Range: 83-90 | DOI: 10.1385/1-59259-687-8:83

Subject: Cancer Research

References

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