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Clinical spectrum and pathogenesis of nephronophthisis

Benzing, Thomasa,b,c; Schermer, Bernharda,b,c

Current Opinion in Nephrology and Hypertension: May 2012 - Volume 21 - Issue 3 - p 272–278
doi: 10.1097/MNH.0b013e3283520f17
RENAL IMMUNOLOGY AND PATHOLOGY: Edited by Agnes B. Fogo
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Purpose of review Nephronophthisis (NPH) comprises a group of autosomal recessive cystic kidney diseases and is the most frequent genetic cause of end-stage renal disease in children and adolescents. Causative mutations in more than a dozen genes have been identified that encode for the NPH protein family. Almost all of these proteins localize to primary cilia leading to the classification of NPH as a ciliopathy. The purpose of this review is to highlight the latest research on the molecular pathogenesis of the ciliopathy NPH.

Recent findings Recent identification of novel disease causing genes and research on the localization and signaling function of nephrocystins have paved the way to a more detailed understanding of the molecular and cellular pathology of NPH and associated ciliopathies.

Summary Here we discuss the most recently identified NPH related genes, the role of the NPH protein complex in ciliary biology and recently discovered functions of NPH proteins in cellular signaling.

aDepartment II of Internal Medicine and Center for Molecular Medicine Cologne

bCologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases

cSystems Biology of Ageing Cologne (Sybacol), University of Cologne, Cologne, Germany

Correspondence to Bernhard Schermer, Renal Division, Department of Medicine, University of Cologne, Kerpener Str. 62, 50937 Cologne, Germany. Tel: +49 221 478 89030; fax: +49 221 478 89041; e-mail: bernhard.schermer@uk-koeln.de

© 2012 Lippincott Williams & Wilkins, Inc.