Effect of TRPV1 gene mutation on bronchial asthma in children before and after treatment

Chuan-Liang Chen1, Hong Li, Xiao-Hong Xing

  • 1School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi Province, China; Henan Provincial People's Hospital, Zhengzhou, Henan Province, China.

Insights

TRPV1 gene expression and mutations are key factors in childhood asthma. Treatment reduced inflammatory markers like IL-4, IL-5, and eosinophils, improving outcomes for pediatric asthma patients.

Area of Science:

  • Pediatric Pulmonology
  • Molecular Genetics
  • Immunology

Background:

  • Bronchial asthma is a prevalent global respiratory condition affecting children, with unclear triggers and pathogenesis.
  • Understanding the molecular mechanisms underlying pediatric asthma is crucial for effective diagnosis and treatment.

Purpose of the Study:

  • To investigate the role of Transient Receptor Potential Vanilloid 1 (TRPV1) gene mutations and cytokine expression in children with acute bronchial asthma.
  • To provide theoretical guidance for diagnosing and treating pediatric bronchial asthma.

Main Methods:

  • Real-time quantitative polymerase chain reaction (PCR) to measure TRPV1 mRNA levels.
  • Enzyme-linked immunosorbent assay (ELISA) to quantify serum total IgE, eosinophils (EOS), Interleukin-4 (IL-4), Interleukin-5 (IL-5), and Interferon-gamma (IFN-γ).
  • Logistic regression analysis to identify key risk factors for pediatric asthma.

Main Results:

  • Children with asthma exhibited higher TRPV1 mRNA levels, elevated IL-4, IL-5, and EOS, and lower IFN-γ compared to healthy controls.
  • Post-treatment, TRPV1 mRNA levels increased, while IL-4, IL-5, EOS, and IgE levels decreased significantly; IFN-γ levels increased.
  • TRPV1 expression, IL-4 levels, and rs4790522 site mutation were identified as major risk factors for pediatric bronchial asthma.

Conclusions:

  • TRPV1 gene mutations are closely associated with the development of bronchial asthma in children.
  • These findings offer a theoretical foundation for improving the treatment strategies and prognosis of pediatric asthma.

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