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Glutathione and cysteine in HIV-infected hemophiliacs

R M López Galera1, J C Juárez Giménez, J B Montoro Ronsano

  • 1Department of Haemophilia, Ciudad Sanitaria Valley de Hebrón, Barcelona, Spain.

Clinica Chimica Acta; International Journal of Clinical Chemistry
|October 15, 1996
PubMed

Insights

Plasma glutathione levels decrease in HIV-infected hemophiliacs, but cysteine levels remain unchanged. These markers do not reliably indicate disease progression in HIV patients.

Area of Science:

  • Biochemistry
  • Immunology
  • Hematology

Background:

  • Human Immunodeficiency Virus (HIV) infection impacts various physiological processes.
  • Hemophilia, an inherited bleeding disorder, presents unique challenges in managing co-infections like HIV.
  • Glutathione and cysteine are critical antioxidants with roles in immune function.

Purpose of the Study:

  • To investigate plasma glutathione and cysteine levels in HIV-infected hemophiliacs.
  • To compare these levels with HIV-negative hemophiliacs.
  • To assess the correlation between these markers and HIV disease progression.

Main Methods:

  • Cross-sectional study design.
  • Measurement of plasma cysteine, total glutathione, and glutathione disulfide.
  • Analysis of CD4/CD8 T-cell counts, leukocyte/lymphocyte counts, beta-2-microglobulin, and p24 antigen levels.

Main Results:

  • HIV-positive hemophiliacs exhibited significantly lower total glutathione levels (-18%) and higher glutathione disulfide levels compared to HIV-negative controls.
  • Plasma cysteine levels did not differ significantly between HIV-positive and HIV-negative hemophiliacs.
  • No statistically significant differences in glutathione or cysteine levels were observed across different clinical stages of HIV infection (AIDS vs. non-AIDS).

Conclusions:

  • Plasma glutathione and cysteine concentrations have limited utility as biomarkers for HIV disease progression in hemophiliacs.
  • Therapeutic strategies aimed at normalizing plasma glutathione levels may have limited clinical benefit in this population.

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