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Related Experiment Videos

Complement components (C3, C4) in childhood asthma.

F I E Najam1, A S M Giasuddin, A H Shembesh

  • 1Department of Laboratory Medicine, Faculty of Medicine, Al-Arab Medical University, Benghazi, Libya.

Indian Journal of Pediatrics
|September 28, 2005
PubMed
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Elevated complement C3 levels are linked to active bronchial asthma in children, suggesting a role in the disease

Area of Science:

  • Immunology
  • Pediatric Pulmonology
  • Biochemistry

Background:

  • Bronchial asthma is a chronic inflammatory airway disease.
  • The complement system plays a role in immune responses and inflammation.

Purpose of the Study:

  • To investigate the involvement of complement components C3 and C4 in the pathophysiology of bronchial asthma in children.

Main Methods:

  • Serum levels of C3 and C4 were measured in 64 asthmatic children (ages 1-12) and 57 healthy controls.
  • Patients were categorized by disease activity (active vs. inactive) and age groups.

Main Results:

  • Mean C3 levels were significantly elevated in asthmatic children compared to controls.
  • Elevated C3 levels were specifically observed in children with active asthma, not inactive asthma.

Related Experiment Videos

  • C4 levels remained normal across all groups.

    • Conclusions:

    • Increased C3 levels in active asthma may be induced by pro-inflammatory cytokines like TNF-alpha and IL-1.
    • This suggests a potential role for C3 in the inflammatory mechanisms underlying bronchial asthma.