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Usage Information

Tubular Dickkopf-3 promotes the development of renal atrophy and fibrosis
Giuseppina Federico, … , Bernd Arnold, Hermann-Josef Gröne
Giuseppina Federico, … , Bernd Arnold, Hermann-Josef Gröne
Published January 21, 2016
Citation Information: JCI Insight. 2016;1(1):e84916. https://doi.org/10.1172/jci.insight.84916.
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Research Article Immunology Nephrology

Tubular Dickkopf-3 promotes the development of renal atrophy and fibrosis

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Abstract

Renal tubular atrophy and interstitial fibrosis are common hallmarks of etiologically different progressive chronic kidney diseases (CKD) that eventually result in organ failure. Even though these pathological manifestations constitute a major public health problem, diagnostic tests, as well as therapeutic options, are currently limited. Members of the dickkopf (DKK) family, DKK1 and -2, have been associated with inhibition of Wnt signaling and organ fibrosis. Here, we identify DKK3 as a stress-induced, tubular epithelia–derived, secreted glycoprotein that mediates kidney fibrosis. Genetic as well as antibody-mediated abrogation of DKK3 led to reduced tubular atrophy and decreased interstitial matrix accumulation in two mouse models of renal fibrosis. This was facilitated by an amplified, antifibrogenic, inflammatory T cell response and diminished canonical Wnt/β-catenin signaling in stressed tubular epithelial cells. Moreover, in humans, urinary DKK3 levels specifically correlated with the extent of tubular atrophy and interstitial fibrosis in different glomerular and tubulointerstitial diseases. In summary, our data suggest that DKK3 constitutes an immunosuppressive and a profibrotic epithelial protein that might serve as a potential therapeutic target and diagnostic marker in renal fibrosis.

Authors

Giuseppina Federico, Michael Meister, Daniel Mathow, Gunnar H. Heine, Gerhard Moldenhauer, Zoran V. Popovic, Viola Nordström, Annette Kopp-Schneider, Thomas Hielscher, Peter J. Nelson, Franz Schaefer, Stefan Porubsky, Danilo Fliser, Bernd Arnold, Hermann-Josef Gröne

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Usage data is cumulative from March 2022 through March 2023.

Usage JCI PMC
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PDF 243 123
Figure 361 19
Supplemental data 30 4
Citation downloads 59 0
Totals 2,019 478
Total Views 2,497
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Usage information is collected from two different sources: this site (JCI) and Pubmed Central (PMC). JCI information (compiled daily) shows human readership based on methods we employ to screen out robotic usage. PMC information (aggregated monthly) is also similarly screened of robotic usage.

Various methods are used to distinguish robotic usage. For example, Google automatically scans articles to add to its search index and identifies itself as robotic; other services might not clearly identify themselves as robotic, or they are new or unknown as robotic. Because this activity can be misinterpreted as human readership, data may be re-processed periodically to reflect an improved understanding of robotic activity. Because of these factors, readers should consider usage information illustrative but subject to change.

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