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[Influence of interferon-alpha therapy on the count and function of T lymphocytes in children with chronic hepatitis

T Woźniakowska-Gesicka1, M Wiśniewska-Ligier, J Kupś

  • 1III Klinika Pediatrii Instytutu Centrum Zdrowia Matki Polki w Łodzi.

Polski Merkuriusz Lekarski : Organ Polskiego Towarzystwa Lekarskiego
|January 5, 2002
PubMed

Insights

Interferon-alpha therapy for children with chronic hepatitis C significantly boosted T lymphocyte subsets, enhancing immune response. This treatment increased CD4 lymphocytes and the CD4/CD8 ratio, aiding viral RNA elimination.

Area of Science:

  • Immunology
  • Hepatology
  • Pediatrics

Context:

  • Chronic hepatitis C affects children, impacting their immune system.
  • T lymphocytes play a crucial role in managing viral infections like hepatitis C.
  • Understanding immune responses in pediatric hepatitis C is vital for effective treatment.

Purpose:

  • To evaluate the number and function of T lymphocytes in children with chronic hepatitis C.
  • To assess the immunological effects of interferon-alpha (INF-alpha) therapy in pediatric patients.
  • To correlate changes in T lymphocyte subsets with hepatitis C virus (HCV) RNA elimination.

Summary:

  • The study involved 60 children with chronic hepatitis C, with 30 receiving 6 months of INF-alpha therapy, and 40 healthy children as controls.
  • Flow cytometry was used to examine T lymphocyte subsets (CD3, CD4, CD8) and activation markers (CD3/HLADR, CD3/CD25) before and after treatment.
  • INF-alpha therapy led to a significant increase in CD4 lymphocytes, a decrease in CD8 lymphocytes, an elevated CD4/CD8 ratio, and increased expression of activation markers.

Impact:

  • Interferon-alpha therapy stimulates an immunological response in children with chronic hepatitis C.
  • Increased CD4 lymphocytes and CD4/CD8 ratio correlate with successful HCV RNA elimination.
  • Findings suggest INF-alpha can modulate T lymphocyte function, potentially improving outcomes in pediatric hepatitis C.

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