Expression of HIF-1α in pediatric asthmatic patients

Expression of HIF-1α in pediatric asthmatic patients

Authors

Keywords:

asthma, HIF-1α, asthmatic exacerbation, airway remodelling, pediatric

Abstract

Background: Several studies have suggested that HIF-1α regulates eosinophil activity and induces epithelial inflammation via NF-κB activation in the pathophysiology of asthma. The purpose of this study was to examine the expression of the transcription factors HIF-1α and nuclear HIF in mononuclear cells obtained from peripheral blood samples of healthy pediatric patients, asthmatic patients, and asthmatic exacerbations, regardless of disease severity.
Methods: HIF-1 levels were measured using immunocytochemistry in 133 patients aged 6 to 17 years in this cross-sectional and comparative study. A microscope was used to examine glass slides, and positive cells were counted in four fields per slide using an image analyzer.
Results: HIF-1α and nuclear HIF levels were significantly higher in asthma patients and even higher in patients experiencing asthma attacks (p<0.0001, 95% CI). There was no significant difference in the percentage of HIF-1α expression between groups with intermittent asthma and those with mild persistent asthma, nor between patients with asthma and those experiencing asthma exacerbations.
Conclusions: When compared to healthy individuals, the expression of nuclear HIF and HIF-1α is increased in peripheral mononuclear cells in asthma patients and even more so in asthma exacerbations. This suggests that HIF-1α is important in the pathogenesis of this disease.

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Published

23-11-2023

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Original Research Articles

How to Cite

1.
Gonzalez-Uribe V, Martinez-Tenopala R, Osorio-Martínez A, Prieto-Gomez J, Lammoglia Kirsch A, Alcocer-Arreguin CR, et al. Expression of HIF-1α in pediatric asthmatic patients. Multidiscip Respir Med [Internet]. 2023 Nov. 23 [cited 2024 Jul. 4];18(1). Available from: https://mrmjournal.org/index.php/mrm/article/view/927