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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Schuit, Frans Creemers, John W. M. Cauwelier, Elisa J. G. Declercq, Jeroen Ectors, Nadine Pruniau, Vincent P. E. G. Brouwers, Bas Lerut, Evelyne |
| Description | Author Affiliation: Brouwers B ( From the Laboratory for Biochemical Neuroendocrinology, Department of Human Genetics, and.) |
| Abstract | Streptozotocin (STZ) is widely used as diabetogenic agent in animal models for diabetic nephropathy (DN). However, it is also directly cytotoxic to kidneys, making it difficult to distinguish between DN-related and STZ-induced nephropathy. Therefore, an improved protocol to generate mice for DN studies, with a quick and robust achievement of the diabetic state, without direct kidney toxicity is required. To investigate the mechanism leading to STZ-induced nephropathy, kidney damage was induced with a high dose of STZ. This resulted in delayed gastric emptying, at least partially caused by impaired desacyl ghrelin clearance. STZ uptake in the kidneys is to a large extent mediated by the sodium/glucose cotransporters (Sglts) because the Sglt inhibitor phlorizin could reduce STZ uptake in the kidneys. Consequently, the direct toxic effects in the kidney and the gastric dilatation were resolved without interfering with the ß-cell toxicity. Furthermore, pancreatic STZ uptake was increased, hereby decreasing the threshold for ß-cell toxicity, allowing for single low non-nephrotoxic STZ doses (70 mg/kg). In conclusion, this study provides novel insights into the mechanism of STZ toxicity in kidneys and suggests a more efficient regime to induce DN with little or no toxic side effects. |
| ISSN | 00219258 |
| e-ISSN | 1083351X |
| Journal | Journal of Biological Chemistry |
| Issue Number | 38 |
| Volume Number | 288 |
| Language | English |
| Publisher | American Society for Biochemistry and Molecular Biology (United States) |
| Publisher Date | 2013-09-20 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Diabetic Nephropathies Prevention & Control Insulin-Secreting Cells Metabolism Kidney Phlorhizin Pharmacology Sodium-Glucose Transporter 1 Antagonists & Inhibitors Animals Antibiotics, Antineoplastic Adverse Effects Pharmacokinetics Diabetes Mellitus, Experimental Chemically Induced Pathology Dose-Response Relationship, Drug Injuries Mice Streptozocin Research Support, Non-U.S. Gov't Biochemistry Molecular Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cell Biology Biochemistry Molecular Biology |
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