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ORIGINAL ARTICLE
Year : 2016  |  Volume : 19  |  Issue : 2  |  Page : 100-105

Impact of Vitamins C and E supplement on anti-oxidant enzymes (catalase, superoxide dismutase, and glutathione peroxidase) and lipid peroxidation product (malondialdehyde levels) in sickle subjects


1 Department of Physiology, College of Medical Sciences, University of Calabar, Calabar, Nigeria
2 Department of Physiology, College of Medical Sciences, University of Lagos, Lagos, Nigeria

Correspondence Address:
Ofem Effiong Ofem
Department of Physiology, College of Medical Sciences, University of Calabar, Calabar
Nigeria
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DOI: 10.4103/1119-0388.185427

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Aim: This study sought to investigate the effect of combined supplements of Vitamins C and E glutathione peroxidase (GPx), superoxide dismutase (SOD), and catalase (CAT) malondialdehyde (MDA) levels in sickle cell and non-sickle cell patients. Materials and Methods: A total of 27 subjects (16 controls and 11 test subjects) were used for this study. The sickle cell subjects (test) were obtained among the sickle cell patients who visited the out-patient clinic of the Lagos University Teaching Hospital (LUTH) for check-up, their ages ranged from 18 to 27 years. Venous blood samples of the subjects were carefully withdrawn using disposable syringes and needles at the sickle cell anemia (SCA) clinic, LUTH, Nigeria. Vitamins C and E supplementation commenced on the 1 st day of blood collection and lasted for 6 weeks. All the subjects received Vitamin E (1000 IU) in soft gelatinous capsule once daily and 200 mg of Vitamin C orally per day for 42 days. Blood was collected from each subject under aseptic procedure and MDA was determined to assess lipid peroxidation enzyme activity while GPx, SOD, and CAT were estimated for antioxidant enzymes' activity. Results: Results revealed significantly (P < 0.01) lower basal levels of SOD, GPx, and MDA in sickle (SCA) compared with non-sickle anemia (NSCA). After 42 days of Vitamins C and E supplementation, SOD, GPx, and MDA increased significantly in both groups, but the increase was more in SCA compared with NSCA subjects (P < 0.01). Conclusion: Hence, it was found that Vitamins C and E supplementation did not reduce lipid peroxidation enzymes (MDA) activity in SCA subjects despite the increase in scavenging enzymes' (SOD and GPx) activities in SCA.


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