Ukr.Biochem.J. 2023; Volume 95, Issue 5, Sep-Oct, pp. 41-50
doi: https://doi.org/10.15407/ubj95.05.041
Novel biochemical markers for the prediction of renal injury in beta-thalassemia major pediatric patients
A. J. Shwayel1*, A. M. Jewad1, M. Q. Abdulsattar2
1Department of Medical Laboratory Technology, Health and Medical Technical College,
Southern Technical University, Basrah, Iraq;
2Thi-Qar Health Directorate, Iraq;
*е-mail: ameeralzaidy6@gmail.com
Received: 07 June 2023; Revised: 14 August 2023;
Accepted: 27 October 2023; Available on-line: 06 November 2023
Beta-thalassemia major is a severe inherited disorder characterized by inadequate production of hemoglobin beta chains, ineffective erythropoiesis, chronic hemolysis and necessitates lifelong transfusions, which lead to iron overload. The disease manifests itself in early childhood and persists throughout an individual’s life with a high risk of developing renal impairment, which cannot be reliably determined using routine markers. The objective of this research was to apply biomarkers to the evaluation of renal injury in pediatric patients within the age range of 1–14 years diagnosed with beta-thalassemia major. In the case-control study, the blood samples obtained in the Genetic Hematology Center in Thi-Qar Iraq Province were used: 60 samples from healthy individuals and 60 samples from the patients with beta-thalassemia, subdivided into 1-7 and 8-14 years old groups. The levels of hemoglobin, ferritin, creatinine and potassium were estimated with standard tests, enzyme-linked immunoassay was used to determine the level of neutrophil gelatinase-associated lipocalin (NGAL) and beta-2-microglobulin (β2M) as novel markers of tubular and glomerular dysfunctions. The study revealed a statistically significant decrease in hemoglobin, serum potassium levels and an increase in ferritin, NGAL and β2M levels in the patients from both groups compared to controls and elevation of creatinine level in the 8–14-year-old group. It was concluded that NGAL and β2M levels may be considered indicators for the early diagnosis of renal injury in pediatric patients with beta-thalassemia, as these biomarkers exhibit elevated levels before an increase in creatinine is observed.
Keywords: beta-2-microglobulin, beta-thalassemia major, creatinine, ferritin, neutrophil gelatinase-associated lipocalin, renal injury
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