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| Content Provider | Springer Nature Link |
|---|---|
| Author | Civelek, S. Gelişgen, R. Andican, G. Seven, A. Küçük, S. H. Özdoğan, M. Burçak, G. |
| Copyright Year | 2009 |
| Abstract | The effects of Cu(II) supplementation on glycemic parameters, advanced glycation end products (AGEs), antioxidant status (glutathione; GSH and total antioxidant capacity; TAOC) and lipid peroxidative damage (thiobarbituric acid-reactive substances, TBARS) were investigated in streptozotocin (STZ) induced diabetic rats. The study was carried out on Wistar albino rats grouped as control (n = 10), CuCl2 treated (n = 9), STZ (n = 10) and STZ,CuCl2 treated (n = 9). STZ was administered intraperitoneally at a single dose of 65 mg/kg and CuCl2, 4 mg copper/kg, subcutaneously, every 2 days for 60 days. At the end of this period, glucose(mg/dl), Cu(μg/dl), TBARS(μmol/l), TAOC(mmol/l) were measured in plasma, GSH(mg/gHb) in erythrocytes and glycated hemoglobin (GHb)(%) in blood. Plasma AGE-peptides(%) were measured by HPLC flow system with spectrofluorimetric and spectrophotometric detectors connected on-line. Data were analyzed by the non-parametric Kruskal–Wallis and Mann–Whitney U test. In the STZ group glucose, GHb and AGE-peptide levels were all significantly higher than the control group (P < 0.01, P < 0.05, and P < 0.01, respectively). CuCl2 treated group had significantly lower glucose but significantly higher GHb, TAOC and TBARS levels than the control group (P < 0.05, P < 0.001, P < 0.05 and P < 0.001, respectively). STZ,CuCl2 treated group had significantly higher GHb, TAOC and TBARS levels compared with the control group (P < 0.001, P < 0.05 and P < 0.05, respectively); but only TAOC level was significantly higher than the STZ group (P < 0.01). This experimental study provides evidence that copper intake increases total antioxidant capacity in both nondiabetic and diabetic states. However despite the potentiated antioxidant defence, lipid peroxidation and glycation enhancing effects of CuCl2 are evident under nondiabetic conditions. |
| Starting Page | 43 |
| Ending Page | 49 |
| Page Count | 7 |
| File Format | |
| ISSN | 09660844 |
| Journal | BioMetals |
| Volume Number | 23 |
| Issue Number | 1 |
| e-ISSN | 15728773 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2009-09-19 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | STZ Diabetes mellitus Advanced glycation end products Glycation Copper Physical Chemistry Biochemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Metals and Alloys Biochemistry, Genetics and Molecular Biology Biomaterials Agricultural and Biological Sciences |
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