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Volume 18, Issue 1 (2026)
J Clin Care Skill 2026, 18(1): 1-8 |
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History
Received: 2026/11/1 | Accepted: 2026/01/20 | Published: 2026/01/29
Received: 2026/11/1 | Accepted: 2026/01/20 | Published: 2026/01/29
How to cite this article
Dawood S, Nader M. Association of miR-146a Gene Expression with Inflammation of Type 2 Diabetes Mellitus Patients. J Clin Care Skill 2026; 18 (1) :1-8
URL: http://ijwph.ir/article-3-85669-en.html
URL: http://ijwph.ir/article-3-85669-en.html
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1- Al Shahed Mohammed Baqer Alhakim Hospital, Ministry of Health, Baghdad, Iraq
2- Institute of Genetic Engineering and Biotechnology, University of Baghdad, Baghdad, Iraq
2- Institute of Genetic Engineering and Biotechnology, University of Baghdad, Baghdad, Iraq
Abstract (400 Views)
Aims: The prevalence of type 2 diabetes mellitus is increasing dramatically worldwide. Dysregulation of microRNAs, key regulators of gene expression, has been reported in numerous diseases, including diabetes. The aim of this study was to investigate miRNA-146a expression levels in patients with diabetes and healthy individuals and to determine whether changes in miRNA-146a levels are reliable biomarkers for diagnosis, prognosis, and pathogenesis of type 2 diabetes mellitus.
Materials & Methods: In this case-control study, participants (n=150) were allocated to two groups; type 2 diabetes mellitus (n=100/group) and healthy individuals (n=50/group) as controls (males and females, age: 40-70, body mass index: 25-35). Expression of miRNA was determined by real-time polymerase chain reaction. Furthermore, serum concentrations of TNF-α, IL-1β, and fasting insulin were measured by enzyme-linked immunosorbent assay. Homeostatic model assessment for insulin resistance was calculated as an indicator of insulin resistance.
Findings: miR-146a was lower in diabetic patients, as evidenced by higher ΔCt values (p<0.01). Furthermore, the pro-inflammatory cytokine levels were much higher among diabetic patients than in controls. That is, IL-1β was significantly (p<0.01) higher in diabetics (93.9pg/ml; IQR: 50.1-122) than in controls (65.9pg/ml; IQR: 51.8-76.8). Similarly, TNF-α levels were significantly (p<0.0001) higher in diabetic individuals (26.1pg/ml; IQR: 17.1-31.6) than in healthy controls (16.1pg/ml; IQR: 13.5-20.9).
Conclusion: These findings indicate an increased pro-inflammatory state in patients with type 2 diabetes mellitus.
Materials & Methods: In this case-control study, participants (n=150) were allocated to two groups; type 2 diabetes mellitus (n=100/group) and healthy individuals (n=50/group) as controls (males and females, age: 40-70, body mass index: 25-35). Expression of miRNA was determined by real-time polymerase chain reaction. Furthermore, serum concentrations of TNF-α, IL-1β, and fasting insulin were measured by enzyme-linked immunosorbent assay. Homeostatic model assessment for insulin resistance was calculated as an indicator of insulin resistance.
Findings: miR-146a was lower in diabetic patients, as evidenced by higher ΔCt values (p<0.01). Furthermore, the pro-inflammatory cytokine levels were much higher among diabetic patients than in controls. That is, IL-1β was significantly (p<0.01) higher in diabetics (93.9pg/ml; IQR: 50.1-122) than in controls (65.9pg/ml; IQR: 51.8-76.8). Similarly, TNF-α levels were significantly (p<0.0001) higher in diabetic individuals (26.1pg/ml; IQR: 17.1-31.6) than in healthy controls (16.1pg/ml; IQR: 13.5-20.9).
Conclusion: These findings indicate an increased pro-inflammatory state in patients with type 2 diabetes mellitus.