Investigation of IgA, IL-9, IL-13, and hs-CRP Levels Among Asthmatic Patients with Recurrent Respiratory Tract Infections in Southern Regions of Iraq
Uoda, H., Al-Ammar, N., Salman, A., Kreyenberg, H., Bader, P. (2025). Investigation of IgA, IL-9, IL-13, and hs-CRP Levels Among Asthmatic Patients with Recurrent Respiratory Tract Infections in Southern Regions of Iraq. EKB Journal Management System, 34(4), -. doi: 10.21608/ejmm.2025.386046.1655
Hussian Y. Uoda; Nibras S. Al-Ammar; Ali N. Salman; Hermann Kreyenberg; Peter Bader. "Investigation of IgA, IL-9, IL-13, and hs-CRP Levels Among Asthmatic Patients with Recurrent Respiratory Tract Infections in Southern Regions of Iraq". EKB Journal Management System, 34, 4, 2025, -. doi: 10.21608/ejmm.2025.386046.1655
Uoda, H., Al-Ammar, N., Salman, A., Kreyenberg, H., Bader, P. (2025). 'Investigation of IgA, IL-9, IL-13, and hs-CRP Levels Among Asthmatic Patients with Recurrent Respiratory Tract Infections in Southern Regions of Iraq', EKB Journal Management System, 34(4), pp. -. doi: 10.21608/ejmm.2025.386046.1655
Uoda, H., Al-Ammar, N., Salman, A., Kreyenberg, H., Bader, P. Investigation of IgA, IL-9, IL-13, and hs-CRP Levels Among Asthmatic Patients with Recurrent Respiratory Tract Infections in Southern Regions of Iraq. EKB Journal Management System, 2025; 34(4): -. doi: 10.21608/ejmm.2025.386046.1655

Investigation of IgA, IL-9, IL-13, and hs-CRP Levels Among Asthmatic Patients with Recurrent Respiratory Tract Infections in Southern Regions of Iraq

Egyptian Journal of Medical Microbiology
Volume 34, Issue 4, October 2025  XML
Document Type: New and original researches in the field of Microbiology.
DOI: 10.21608/ejmm.2025.386046.1655
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Authors
Hussian Y. Uoda email 1; Nibras S. Al-Ammar1; Ali N. Salman2; Hermann Kreyenberg3; Peter Bader4
1Microbiology Department/College of Medicine/University of Basrah
2Biology Department/College of Pure Sciences/University of Thi Qar
3Head of Chimarism Laboratory, Goethe University Hospital, Frankfurt, Germany
4Head of Division of Stem Cell Transplantation and Immunology, Goethe University Hospital, Frankfurt, Germany
Abstract
Background: Asthma is a chronic inflammatory condition causes chest tightness, wheezing, coughing, and shortness of breath. Objectives: To assess the levels of IL-9, IL-13, and hs-C-reactive protein in asthmatic patients and controls and assessing level of IgA in all studied cases to investigate presence of IgA deficiency if present. Methodology: A case control study was carried out during (October-April 2024). Out of 380 randomly selected cases with age range (7-80 years), 250 were asthmatic patients and 130 healthy controls. Immunological tests were done by using ELISA to measure levels of IgA, IL-9, IL-13 and hs-CRP. Results: IgA, IL-9 and hs-CRP levels were increased significantly in patients with recurrent respiratory tract infection (RTI) at p-value<0.05. Levels of IgA, IL-9 and IL-13 were increased non-significantly in atopy patient, except hs-CRP.  Weak negative correlation between age group and both IL-9 and hs-CRP, IgA scored a moderate positive correlation with IL-9, and moderate positive correlation with both IL-13 and hs-CRP. IL-9 scored moderate positive correlation with IL-13 and weak positive correlation with hs-CRP. IL-13 scored very weak positive correlation with hs-CRP. Conclusion: Receiver Operating Characteristic (ROC) test indicated that all patients have positive results compared with control group, 77% of patients with IgA level were more than or within average of control group, and 23% were less the average of control group. Regarding to IL-9 and IL-13, more than 60% of patients have cytokines mean more than or within the mean of control group. Regarding hs-CRP, it was less specific indicator than other parameters.
Keywords
Asthma; IgA; IL-9; IL-13; hs-CRP
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