alexa Antioxidant status in children with homozygous thalassemia.
Haematology

Haematology

Journal of Blood Disorders & Transfusion

Author(s): Dhawan V, Kumar KhR, Marwaha RK, Ganguly NK, Dhawan V, Kumar KhR, Marwaha RK, Ganguly NK

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Abstract The status of enzymatic and non-enzymatic anti-oxidants was evaluated in 41 patients with transfusion dependent beta-thalassemia. An additional 20 age-matched children, with non-hemolytic anemia, served as controls. Fresh blood samples, obtained in the morning, were processed immediately. Plasma was stored at -80 degrees C. Levels of vitamins A and E were assayed simultaneously by HPLC. RBC vitamin A was not measurable in 29 (70.7\%) thalassemics and in all the controls. Plasma vitamin A levels were lower in thalassemics than in controls (p<0.05). Vitamin E in RBCs was not measurable in 13 (31. 7\%) cases. The mean level of RBC vitamin E was 3 times lower in thalassemics. Similarly, SOD enzyme activity in thalassemics, was at least 1.5 lower in comparison to the activity documented in controls (p<0. 05). The observations indicate that thalassemics have enhanced oxidative stress. Administration of selective antioxidants and a balanced diet may preclude oxidative damage.
This article was published in Indian Pediatr and referenced in Journal of Blood Disorders & Transfusion

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