Interval normobaric hypoxia and antioxidant status in female patients with various diseases

Ausma Kumerova, Anna Lece, Alise Silova, Andrejs Skesters, Valerij Petukhov, Valentina Rijman

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Aim. To study the activity of antioxidant enzymes and lipid peroxidation in red blood cells of patients with depressed antioxidant system after a course of an interval normobaric hypoxia (INH). Methods. Venous blood samples from fourteen women suffering from different diseases were drawn before, in the middle, and after an INH course. Activities of antioxidant enzymes superoxide dismutase (SOD), catalase (CAT), glucose-6-phosphate dehydrogenase (G6PD), glutathione reductase (GSSG-R), glutathione peroxidase (GSH-Px), hemoglobin concentration, and the concentration of malondialdehyde (MDA) in red blood cells were measured. Blood pressure and heart rate were also determined. Results. SOD, G6PD and GSSG-R activities remained unchanged during the course of INH. CAT activity decreased, but GSH-Px activity significantly increased (p < 0.05) by 25% of the baseline value. INH did not affect the concentration of MDA, but it normalized the blood pressure and the heart rate. Conclusion. INH therapy partly improved the enzymatic antioxidant system, but did not affect lipid peroxidation in red blood cells. The general condition of the patients improved.

Original languageEnglish
Pages (from-to)113-116
Number of pages4
JournalCroatian Medical Journal
Volume38
Issue number2
Publication statusPublished - Jun 1997
Externally publishedYes

Keywords

  • Antioxidants
  • Blood cells
  • Enzymes
  • Hypoxia
  • Lipid
  • Peroxides

Field of Science

  • 3.1 Basic medicine
  • 3.2 Clinical medicine

Publication Type

  • 1.1. Scientific article indexed in Web of Science and/or Scopus database

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