The Evaluation of the Oxidative Stress Parameters in Nondiabetic and Diabetic Senile Cataract Patients |
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| Authors: | Zuhal Yildirim Filiz Yildirim N. Irem Ucgun Nedret Kilic |
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| Affiliation: | (1) Department of Medical Biochemistry, Faculty of Medicine, Gazi University, 06500 Beşevler, Ankara, Turkey;(2) Department of Internal Medicine, Faculty of Medicine, Adnan Menderes University, 09100 Aydın, Turkey;(3) Second Ophthalmology Clinic, Ankara Numune Education and Research Hospital, 06100 Ankara, Turkey |
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| Abstract: | The aim of the present study was to evaluate the copper (Cu), zinc (Zn), malondialdehyde (MDA), glutathione (GSH), and advanced oxidation protein products (AOPP) levels and superoxide dismutase (SOD) activities in diabetic senile cataract. Ten patients with diabetic senile cataract and ten patients with nondiabetic senile cataract (control group) were included in this study. AOPP, MDA, and GSH levels and SOD activity were measured by a spectrophotometric method. Serum, lens Cu, and Zn levels were measured by an atomic absorption spectrophotometric method. Both the lens and serum Zn and Cu levels between the two groups were not significantly different (p > 0.05). GSH, AOPP, and MDA levels and the SOD activities in the diabetic senile cataract group were significantly increased as compared to the control group (p < 0.05). Oxidative stress is one of the major factors which may lead to the early cataract formation. Oxidative events are of great importance in diabetic complications and, particularly in the lens, may have a role in the pathogenesis of cataract associated with diabetes mellitus as exhibited in this study. |
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| Keywords: | Senile cataract Diabetes mellitus Oxidative stress Antioxidants Trace elements |
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