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- Title
Angiopoietin-1 therapy enhances fibrosis and inflammation following folic acid-induced acute renal injury.
- Authors
Long, David A.; Price, Karen L.; Ioffe, Ella; Gannon, Claire M.; Gnudi, Luigi; White, Kathryn E.; Yancopoulos, George D.; Rudge, John S.; Woolf, Adrian S.
- Abstract
The loss of interstitial capillaries is a feature of several experimental models of renal disease and this contributes to secondary kidney injury. Angiopoietin-1 is a secreted growth factor which binds to Tie-2 present on endothelia to enhance cell survival thereby stabilizing capillary architecture in-vitro. Previous studies showed that angiopoietin-1 prevented renal capillary and interstitial lesions following experimental ureteric obstruction. We tested here the effect of angiopoietin-1 treatment on capillary loss and associated tubulointerstitial damage known to follow recovery from folic acid-induced tubular necrosis and acute renal injury. We found that delivery of angiopoietin-1 by adenoviral vectors stabilized peritubular capillaries in folic acid nephropathy but this was accompanied by profibrotic and inflammatory effects. These results suggest that the use of endothelial growth factor therapy for kidney disease may have varying outcomes that depend on the disease model tested.Kidney International (2008) 74, 300–309; doi:10.1038/ki.2008.179; published online 14 May 2008
- Subjects
KIDNEY disease treatments; KIDNEY diseases; KIDNEY injuries; URETERIC obstruction; FIBROSIS; NECROSIS; GROWTH factors
- Publication
Kidney International, 2008, Vol 74, Issue 3, p300
- ISSN
0085-2538
- Publication type
Article
- DOI
10.1038/ki.2008.179