Accurate measurement of oxidized glutathione content of human, rabbit, and rat red blood cells and tissues

Satish Srivastava, Ernest Beutler

Research output: Contribution to journalArticle

124 Citations (Scopus)

Abstract

1. 1. A method for the accurate measurement of oxidized glutathione (GSSG) in the erythrocytes and body tissues has been described. The oxidation of reduced glutathione to GSSG during protein precipitation by trichloroacetic acid is prevented by prior alkylation of the sulfhydryl groups with N-ethylmaleimide (NEM). Trichloroacetic acid and excess NEM are extracted with ether. The GSSG in the extract is measured enzymically using glutathione oxidoreductase. 2. 2. Oxidized glutathione content (average ± standard deviation) of human, rabbit, and rat erythrocytes has been shown to be 3.6 ± 1.4, 5.6 ± 0.7 and 6.1 ± 2.6 mμmoles/ml RBC, respectively. 3. 3. The GSSG content of rat liver, kidney, heart, lens, testes, and skeletal muscles is below the level of detection, i.e., 0.03 μmole/gm tissue.

Original languageEnglish (US)
Pages (from-to)70-76
Number of pages7
JournalAnalytical Biochemistry
Volume25
Issue numberC
StatePublished - 1968
Externally publishedYes

Fingerprint

Glutathione Disulfide
Rats
Blood
Erythrocytes
Cells
Tissue
Rabbits
Trichloroacetic Acid
Ethylmaleimide
Glutathione
Alkylation
Liver
Ether
Lenses
Muscle
Testis
Oxidoreductases
Skeletal Muscle
Kidney
Oxidation

ASJC Scopus subject areas

  • Molecular Biology
  • Biophysics
  • Biochemistry

Cite this

Accurate measurement of oxidized glutathione content of human, rabbit, and rat red blood cells and tissues. / Srivastava, Satish; Beutler, Ernest.

In: Analytical Biochemistry, Vol. 25, No. C, 1968, p. 70-76.

Research output: Contribution to journalArticle

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