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| Content Provider | Springer Nature Link |
|---|---|
| Author | Neven, Ellen Opdebeeck, Britt Maré, Annelies Bashir Dar, Rida Dams, Geert Marynissen, Rita Behets, Geert J. Verhulst, Anja Riser, Bruce L. D’Haese, Patrick C. |
| Copyright Year | 2016 |
| Abstract | Vascular calcification significantly contributes to mortality in chronic kidney disease (CKD) patients. Sevelamer and pyrophosphate (PPi) have proven to be effective in preventing vascular calcification, the former by controlling intestinal phosphate absorption, the latter by directly interfering with the hydroxyapatite crystal formation. Since most patients present with established vascular calcification, it is important to evaluate whether these compounds may also halt or reverse the progression of preexisting vascular calcification. CKD and vascular calcification were induced in male Wistar rats by a 0.75 % adenine low protein diet for 4 weeks. Treatment with PPi (30 or 120 µmol/kg/day), sevelamer carbonate (1500 mg/kg/day) or vehicle was started at the time point at which vascular calcification was present and continued for 3 weeks. Hyperphosphatemia and vascular calcification developed prior to treatment. A significant progression of aortic calcification in vehicle-treated rats with CKD was observed over the final 3-week period. Sevelamer treatment significantly reduced further progression of aortic calcification as compared to the vehicle control. No such an effect was seen for either PPi dose. Sevelamer but not PPi treatment resulted in an increase in both osteoblast and osteoid perimeter. Our study shows that sevelamer was able to reduce the progression of moderate to severe preexisting aortic calcification in a CKD rat model. Higher doses of PPi may be required to induce a similar reduction of severe established arterial calcification in this CKD model. |
| Starting Page | 525 |
| Ending Page | 534 |
| Page Count | 10 |
| File Format | |
| ISSN | 0171967X |
| Journal | Calcified Tissue International |
| Volume Number | 99 |
| Issue Number | 5 |
| e-ISSN | 14320827 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2016-07-26 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Preexisting vascular calcification Chronic kidney disease Pyrophosphate Sevelamer Bone Biochemistry Endocrinology Orthopedics Cell Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Orthopedics and Sports Medicine Endocrinology, Diabetes and Metabolism Endocrinology |
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