Serum levels of interleukin-13 and interferon-gamma from adult patients with asthma in Mysore

Davoodi, Parisa and Mahesh, P. A. and Amrutha, D. Holla and Vijayakumar, G. S. and Jayaraj, B. S. and Chandrashekara, S. and Ramachandra, N. B. (2012) Serum levels of interleukin-13 and interferon-gamma from adult patients with asthma in Mysore. Cytokine, 60 (2). 431 - 437. ISSN 1096-0023

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Serum protein analysis for noninvasive quantification of airway inflammation in asthma is a promising research tool in the field of lung diseases. Cytokines are believed to have major role in inflammatory process of the airways of the lung. There is an imbalance between T-helper (Th)-2 cells, which secrete interleukin (IL)-4 and interleukin (IL)-13, and Th1 cells, which secrete interferon (IFN)-gamma in asthma. To test the hypothesis that serum IL-13 and IL-4 levels may be elevated whereas IFN-gamma would be decreased in this cohort of patients, a property that could make them possible candidate biomarkers in determining asthma occurrence and severity, we measured concentrations of IL-4, IL-13 and IFN-gamma in serum samples of 88 subjects (44 normal, 12 with mild asthma, 16 with moderate asthma, and 16 with severe asthma). Serum Levels of IL-4, IL-13, and IFN-gamma were determined by an enzyme-linked immune-sorbent assay (ELISA). Median serum level of IFN-gamma in asthmatic patients was 8.0pg/ml, while it was 11.4pg/ml in healthy controls. However, the difference was not significant. Among the different age groups in whom IFN-gamma was assessed, the highest median value in both cases and controls was observed in the age group of 31–40years. The median serum level of IL-13 was 40.0pg/ml in asthmatic patients and 58.25pg/ml in healthy controls. The difference was not significant. On subgroup analysis, no significant difference of IFN-gamma and IL-13 between asthma of different severities was observed. The study also revealed nonsignificant difference of serum cytokines with the duration of asthma, number of allergens, and severity of sensitization. Normal serum levels of IFN-gamma and IL-13 in asthmatic patients suggest their neutral role in the inflammatory process; however, more studies are required to establish the effect of these cytokines in adulthood asthma in different ethnic populations.

Item Type: Article
Uncontrolled Keywords: Asthma, Serum, Interleukin-4, Interleukin-13, Interferon-gamma
Subjects: B Life Science > Zoology
Divisions: Department of > Zoology
Depositing User: C Swapna Library Assistant
Date Deposited: 15 Jul 2019 10:22
Last Modified: 15 Jul 2019 10:22

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