Cureus | ANKS6 is a central component of a nephronophthisis module linking NEK8 to INVS and NPHP3
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Research Article

ANKS6 is a central component of a nephronophthisis module linking NEK8 to INVS and NPHP3

Sylvia Hoff, Jan Halbritter, Daniel Epting, Valeska Frank, Thanh-Minh T. Nguyen, Jeroen van Reeuwijk, Christopher Boehlke, Christoph Schell, Takayuki Yasunaga, Martin Helmstädter, Miriam Mergen, Emilie Filhol, Karsten Boldt, Nicola Horn, Marius Ueffing, Edgar A. Otto, Tobias Eisenberger, Mariet W. Elting, Joanna A.E. van Wijk, Detlef Bockenhauer, Neil J. Sebire, Søren Rittig, Mogens Vyberg, Troels Ring, Martin Pohl, Lars Pape, Thomas J. Neuhaus, Neveen A. Soliman Elshakhs, Sarah J. Koon, Peter C. Harris, Florian Grahammer, Tobias B. Huber, E. Wolfgang Kuehn, Albrecht Kramer-Zucker, Hanno J. Bolz, Ronald Roepman, Sophie Saunier, Gerd Walz, Friedhelm Hildebrandt, Carsten Bergmann, Soeren S. Lienkamp

Published: June 23, 2013

DOI: 10.1038/ng.2681

License: Users may view, print, copy, download and text and data- mine the content in such documents, for the purposes of academic research, subject always to the full Conditions of use: http://www.nature.com/authors/editorial_policies/license.html#terms

Abstract

Nephronophthisis (NPH) is an autosomal recessive cystic kidney disease that leads to renal failure in childhood or adolescence. Most NPHP gene products form molecular networks. We have identified ANKS6 as a new NPHP family member that connects NEK8 (NPHP9) to INVERSIN (INVS, NPHP2) and NPHP3 to form a distinct NPHP module. ANKS6 localizes to the proximal cilium and knockdown experiments in zebrafish and Xenopus confirmed a role in renal development. Genetic screening identified six families with ANKS6 mutations and NPH, including severe cardiovascular abnormalities, liver fibrosis and situs inversus. The oxygen sensor HIF1AN (FIH) hydroxylates ANKS6 and INVS, while knockdown of Hif1an in Xenopus resembled the loss of other NPHP proteins. HIF1AN altered the composition of the ANKS6/INVS/NPHP3 module. Network analyses, uncovering additional putative NPHP-associated genes, placed ANKS6 at the center of the NPHP module, explaining the overlapping disease manifestation caused by mutations of either ANKS6, NEK8, INVS or NPHP3.


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Scholarly Impact Quotient™ (SIQ™) is our unique post-publication peer review rating process. SIQ™ assesses article importance and quality by embracing the collective intelligence of the Cureus community-at-large. All registered users are invited to contribute to the SIQ™ of any published article. (Authors cannot rate their own articles.)

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