Serum Myeloperoxidase as A Biomarker of Asthma Severity Among Adults: A Case Control Study
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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Background

The contribution of neutrophils is still indistinct in the inflammatory response of bronchial asthma (BAs). Myeloperoxidase (MPO) is an  enzyme released from the primary azurophilic granules of the neutrophils. The study aimed to evaluate the levels of serum MPO as a biomarker for the assessment of the level of asthma control. 

Methods

The study participants included 94 asthmatic patients and 86 healthy controls. The identification of asthma severity had assessed using the ''Global Initiative for Asthma guidelines''. Asthmatic adults had divided into three groups: Good (n= 22), partial (n= 30), and poor control (n=44). Also, patients have been divided again into two groups (treated and untreated) for BAs.

Results

The predicted FEV1% and the peak expiratory flow (PEF/L) of all participants had verified by spirometry. The mean patients’ age was 31.9±15.1 year, with a predominance of females. The mean asthma duration was 10.5±8.6 years. Mean spirometric parameters (FEV1 and PEF) were significantly lower among the patients (0.00). Significant higher MPO levels had observed among BAs patients (p-0.00). The MPO levels have not differed significantly with asthma levels and had significant differences with the history of treatment. There was a nonsignificant negative correlation between the mean MPO levels and the spirometry variables among the patients. ROC curves revealed a sensitivity, specificity, accuracy for MPO (80.9%, 72.1%, and 84.3%), respectively to predict asthmatic severity.

Conclusions

There were significantly higher MPO levels compared to healthy controls. Levels of serum MPO had a non-significant positive correlation with levels of asthma control, but a negative non-significant correlation with spirometric results.

Language:
English
Published:
Reports of Biochemistry and Molecular Biology, Volume:11 Issue: 1, Apr 2022
Pages:
182 to 189
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