Abstract
Blood transfusion can be a life-saving therapy for β-thalassemia major and β-thalassemia/HbE (β-TM) patients with chronic anemia, major caused severe iron overload particularly in β-TM patients received only blood transfusion therapy. We aim to evaluate the association of iron overload with oxidative stress, liver damage, and elevated very low density lipoprotein cholesterol (VLDL-C) in transfusion-dependent β-TM patients. Serum ferritin, malondialdehyde (MDA), liver profiles, triglycerides levels, and VLDL-C were significantly higher while total cholesterol, low-density lipoprotein cholesterol, high density lipoprotein cholesterol and total antioxidant capacity were lower in β-TM than controls. Serum ferritin was significantly correlated with MDA, liver enzymes and lipid profiles (p < 0.05). Multiple forward stepwise linear regression analyses of the significant variables showed that in these β-TM patients, independent predictors of iron overload were MDA (β = 0.410, r 2 = 0.671, p < 0.001), ALT (β = 0.493, r 2 = 0.578, p < 0.001), and VLDL-C (β = 0.253, r 2 = 0.711, p < 0.001). In conclusion, iron overload associated with increased oxidative stress, lipid peroxidation, liver damage, decreased TC, LDL-C, HDL-C and over production of VLDL-C, is significantly problem in transfusion-dependent β-TM patients. These appeared the major cause of future morbidity and mortality in β-TM patients.
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Abbreviations
- Hb:
-
Hemoglobin
- Hct:
-
Hematocrit
- TB:
-
Total bilirubin
- DB:
-
Direct bilirubin
- AST:
-
Aspartate aminotransferase
- ALT:
-
Alanine aminotransferase
- ALP:
-
Alkaline phosphatase
- TC:
-
Total cholesterol
- HDL-C:
-
High density lipoprotein cholesterol
- LDL-C:
-
Low density lipoprotein cholesterol
- VLDL-C:
-
Very low density lipoprotein cholesterol
- MDA:
-
Malondialdehyde
- RC:
-
Red blood cell
- /g Hb:
-
Per gram hemoglobin
- TAC:
-
Total antioxidant capacity
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Acknowledgments
We sincerely thank Naresuan University for financial support. We also sincerely thank all co-workers in the Pediatric Unit of Phrae Hospital and Vachira Phuket Hospital, for blood collection and their technical help. We especially thank those who participated and donated blood samples for this study. Finally we sincerely thank Asst. Prof. Dr. Ronald A. Markwardt, Faculty of Public Health, Burapha University, for his critical reading and correcting of the manuscript.
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Sengsuk, C., Tangvarasittichai, O., Chantanaskulwong, P. et al. Association of Iron Overload with Oxidative Stress, Hepatic Damage and Dyslipidemia in Transfusion-Dependent β-Thalassemia/HbE Patients. Ind J Clin Biochem 29, 298–305 (2014). https://doi.org/10.1007/s12291-013-0376-2
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DOI: https://doi.org/10.1007/s12291-013-0376-2