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Related Experiment Videos

[Correlations between BCG-PSN and tuberculin responses].

Yucheng Yang1, Suling Hong, Jiangju Huang

  • 1Department of Otolaryngology, the First Affiliated Hospital, Chongqing University of Medical Sciences, Chongqing, 400016, China.

Lin Chuang Er Bi Yan Hou Ke Za Zhi = Journal of Clinical Otorhinolaryngology
|August 30, 2005
PubMed
Summary

Bacille Calmette-Guérin (BCG) cell wall skeleton (BCG-PSN) treatment significantly reduced allergic rhinitis markers like eosinophil cationic protein (ECP) and total IgE (TIgE). This suggests BCG-PSN can help manage allergic airway inflammation.

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Area of Science:

  • Immunology
  • Allergy Research

Context:

  • Allergic rhinitis is a prevalent condition characterized by airway inflammation.
  • The imbalance of T-helper 1 (Th1) and T-helper 2 (Th2) cytokine profiles is implicated in allergic diseases.

Purpose:

  • To investigate the relationship between tuberculin responses and allergic rhinitis outcomes following treatment with BCG-PSN.
  • To evaluate the efficacy of BCG-PSN in modulating immune responses and inflammatory markers in patients with allergic rhinitis.

Summary:

  • Sixty patients with allergic rhinitis were randomized into BCG-PSN treatment and control groups.
  • Purified protein derivative (PPD) skin tests, serum eosinophil cationic protein (ECP), and total IgE (TIgE) levels were assessed.
  • BCG-PSN treatment led to significant reductions in ECP and TIgE levels (P < 0.01) and induced positive PPD induration in 37.5% of previously non-reactive patients.

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Impact:

  • BCG-PSN treatment appears to correct Th1/Th2 cytokine imbalances.
  • It demonstrates potential in inhibiting allergic airway inflammation and effectively controlling allergic rhinitis symptoms.