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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
Oxidant, antioxidant status and metabolic data in patients with beta-thalassemia
Clinica Chimica Acta, Volume 338, No. 1-2, Year 2003
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Description
Background: In beta-thalassemia major impaired biosynthesis of beta globin leads to accumulation of unpaired alpha globin chain. An iron overload, usually observed, generates oxygen-free radicals and peroxidative tissue injury. Aim: To investigate hematological parameters, oxidative stress and the antioxidant capacity in beta-thalassemia patients compared to control subjects in order to determine their impact in several organs functions. Methods: This study was conducted on 56 beta-thalassemia major patients compared to 51 healthy subjects. We determined metabolic parameters (glycaemia, lipid parameters, electrolytes, iron indices, hepatic, renal and heart functions tests), plasmatic thiobarbituric acid reactive substances (TBARS), plasmatic peroxyl radical trapping potential (TRAP), plasmatic superoxide dismutase (SOD), erythrocyte gluthathione peroxidase (GPX), plasmatic vitamin E, vitamin A and trace elements. Results: Except triglycerides, lipid fractions were significantly decreased in beta-thalassemia compared to controls. Serum ferritin, iron, TBARS concentrations, SOD and GPX activities were significantly increased. But TRAP, vitamin E and zinc concentrations were significantly decreased. Conclusion: Our findings confirm the peroxidative status generated by iron overload in beta-thalassemia major patients and highlight the rapid formation of marked amounts of TBARS and the increase of SOD and GPX activity. Our study suggested that in beta-thalassemia the first organ impaired is the liver. © 2003 Published by Elsevier B.V.
Authors & Co-Authors
Kassab, Asma
Tunisia, Sousse
Hopital Farhat Hached Sousse
Laradi, Sandrine
Tunisia, Sousse
Hopital Farhat Hached Sousse
Ferchichi, Salima
Tunisia, Sousse
Hopital Farhat Hached Sousse
Haj Khelil, Amel
Tunisia, Sousse
Hopital Farhat Hached Sousse
Feki, Moncef
Tunisia, Tunis
Hôpital la Rabta
Amri, Fethi
Tunisia, Kairouan
Paediatric Unit
Selmi, Habib
Tunisia, Sousse
Paediatric Unit
Béjaoui, Mohamed
Tunisia, Tunis
Transplant Centre
Miled, Abdelhédi
Tunisia, Sousse
Hopital Farhat Hached Sousse
Statistics
Citations: 169
Authors: 9
Affiliations: 5
Identifiers
Doi:
10.1016/j.cccn.2003.07.010
ISSN:
00098981
Research Areas
Noncommunicable Diseases
Violence And Injury