Diabetes, oxidative stress, and antioxidants: A review

A. C. Maritim, R. A. Sanders, J. B. Watkins

Research output: Contribution to journalArticle

1848 Citations (Scopus)

Abstract

Increasing evidence in both experimental and clinical studies suggests that oxidative stress plays a major role in the pathogenesis of both types of diabetes mellitus. Free radicals are formed disproportionately in diabetes by glucose oxidation, nonenzymatic glycation of proteins, and the subsequent oxidative degradation of glycated proteins. Abnormally high levels of free radicals and the simultaneous decline of antioxidant defense mechanisms can lead to damage of cellular orgartelles and enzymes, increased lipid peroxidation, and development of insulin resistance. These consequences of oxidative stress can promote the development of complications of diabetes mellitus. Changes in oxidative stress biomarkers, including superoxide dismutase, catalase, glutathione reductase, glutathione peroxidase, glutathione levels, vitamins, lipid peroxidation, nitrite concentration, nonenzymatic glycosylated proteins, and hyperglycemia in diabetes, and their consequences, are discussed in this review. In vivo studies of the effects of various conventional and alternative drugs on these biomarkers are surveyed. There is a need to continue to explore the relationship between free radicals, diabetes, and its complications, and to elucidate the mechanisms by which increased oxidative stress accelerates the development of diabetic complications, in an effort to expand treatment options.

Original languageEnglish
Pages (from-to)24-38
Number of pages15
JournalJournal of Biochemical and Molecular Toxicology
Volume17
Issue number1
DOIs
StatePublished - 2003

Fingerprint

Oxidative stress
Medical problems
Oxidative Stress
Diabetes Complications
Antioxidants
Free Radicals
Lipid Peroxidation
Biomarkers
Glutathione Reductase
Lipids
Glutathione Peroxidase
Nitrites
Proteins
Vitamins
Hyperglycemia
Catalase
Proteolysis
Superoxide Dismutase
Glutathione
Insulin Resistance

Keywords

  • Antioxidants
  • Catalase
  • Glutathione peroxidase
  • Oxidative stress
  • Type 1 diabetes mellitus

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Biochemistry
  • Toxicology
  • Health, Toxicology and Mutagenesis

Cite this

Diabetes, oxidative stress, and antioxidants : A review. / Maritim, A. C.; Sanders, R. A.; Watkins, J. B.

In: Journal of Biochemical and Molecular Toxicology, Vol. 17, No. 1, 2003, p. 24-38.

Research output: Contribution to journalArticle

Maritim, A. C. ; Sanders, R. A. ; Watkins, J. B. / Diabetes, oxidative stress, and antioxidants : A review. In: Journal of Biochemical and Molecular Toxicology. 2003 ; Vol. 17, No. 1. pp. 24-38.
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