Inhibition of WISE preserves renal allograft function.
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| Abstract |
Wnt-modulator in surface ectoderm (WISE) is a secreted modulator of Wnt signaling expressed in the adult kidney. Activation of Wnt signaling has been observed in renal transplants developing interstitial fibrosis and tubular atrophy; however, whether WISE contributes to chronic changes is not well understood. Here, we found moderate to high expression of WISE mRNA in a rat model of renal transplantation and in kidneys from normal rats. Treatment with a neutralizing antibody against WISE improved proteinuria and graft function, which correlated with higher levels of β-catenin protein in kidney allografts. In addition, treatment with the anti-WISE antibody reduced infiltration of CD68(+) macrophages and CD8(+) T cells, attenuated glomerular and interstitial injury, and decreased biomarkers of renal injury. This treatment reduced expression of genes involved in immune responses and in fibrogenic pathways. In summary, WISE contributes to renal dysfunction by promoting tubular atrophy and interstitial fibrosis.
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| Authors | Xueming Qian, Xiaodong Yuan, Steven Vonderfecht, Xupeng Ge, Jae Lee, Anke Jurisch, Li Zhang, Andrew You, Vincent D Fitzpatrick, Alexia Williams, Eliane G Valente, Jim Pretorius, Jennitte L Stevens, Barbara Tipton, Aaron G Winters, Kevin Graham, Lindsey Harriss, Daniel M Baker, Michael Damore, Hossein Salimi-Moosavi, Yongming Gao, Abdallah Elkhal, Chris Paszty, W Scott Simonet, William G Richards, Stefan G Tullius |
| Journal | Journal of the American Society of Nephrology : JASN (J Am Soc Nephrol) Vol. 24 Issue 1 Pg. 66-76 (Jan 2013) ISSN: 1533-3450 [Electronic] United States |
| PMID | 23184054 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't) |
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