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CorrigendumNephrology Free access | 10.1172/JCI40076C1

Individuals with mutations in XPNPEP3, which encodes a mitochondrial protein, develop a nephronophthisis-like nephropathy

John F. O’Toole, Yangjian Liu, Erica E. Davis, Christopher J. Westlake, Massimo Attanasio, Edgar A. Otto, Dominik Seelow, Gudrun Nurnberg, Christian Becker, Matti Nuutinen, Mikko Kärppä, Jaakko Ignatius, Johanna Uusimaa, Salla Pakanen, Elisa Jaakkola, Lambertus P. van den Heuvel, Henry Fehrenbach, Roger Wiggins, Meera Goyal, Weibin Zhou, Matthias T.F. Wolf, Eric Wise, Juliana Helou, Susan J. Allen, Carlos A. Murga-Zamalloa, Shazia Ashraf, Moumita Chaki, Saskia Heeringa, Gil Chernin, Bethan E. Hoskins, Hassan Chaib, Joseph Gleeson, Takehiro Kusakabe, Takako Suzuki, R. Elwyn Isaac, Lynne M. Quarmby, Bryan Tennant, Hisashi Fujioka, Hannu Tuominen, Ilmo Hassinen, Hellevi Lohi, Judith L. van Houten, Agnes Rotig, John A. Sayer, Boris Rolinski, Peter Freisinger, Sethu M. Madhavan, Martina Herzer, Florence Madignier, Holger Prokisch, Peter Nurnberg, Peter K. Jackson, Hemant Khanna, Nicholas Katsanis, and Friedhelm Hildebrandt

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Published April 1, 2010 - More info

Published in Volume 120, Issue 4 on April 1, 2010
J Clin Invest. 2010;120(4):1362–1362. https://doi.org/10.1172/JCI40076C1.
© 2010 The American Society for Clinical Investigation
Published April 1, 2010 - Version history
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Individuals with mutations in XPNPEP3, which encodes a mitochondrial protein, develop a nephronophthisis-like nephropathy
John F. O’Toole, … , Nicholas Katsanis, Friedhelm Hildebrandt
John F. O’Toole, … , Nicholas Katsanis, Friedhelm Hildebrandt
Research Article Article has an altmetric score of 4

Individuals with mutations in XPNPEP3, which encodes a mitochondrial protein, develop a nephronophthisis-like nephropathy

Abstract

The autosomal recessive kidney disease nephronophthisis (NPHP) constitutes the most frequent genetic cause of terminal renal failure in the first 3 decades of life. Ten causative genes (NPHP1–NPHP9 and NPHP11), whose products localize to the primary cilia-centrosome complex, support the unifying concept that cystic kidney diseases are “ciliopathies”. Using genome-wide homozygosity mapping, we report here what we believe to be a new locus (NPHP-like 1 [NPHPL1]) for an NPHP-like nephropathy. In 2 families with an NPHP-like phenotype, we detected homozygous frameshift and splice-site mutations, respectively, in the X-prolyl aminopeptidase 3 (XPNPEP3) gene. In contrast to all known NPHP proteins, XPNPEP3 localizes to mitochondria of renal cells. However, in vivo analyses also revealed a likely cilia-related function; suppression of zebrafish xpnpep3 phenocopied the developmental phenotypes of ciliopathy morphants, and this effect was rescued by human XPNPEP3 that was devoid of a mitochondrial localization signal. Consistent with a role for XPNPEP3 in ciliary function, several ciliary cystogenic proteins were found to be XPNPEP3 substrates, for which resistance to N-terminal proline cleavage resulted in attenuated protein function in vivo in zebrafish. Our data highlight an emerging link between mitochondria and ciliary dysfunction, and suggest that further understanding the enzymatic activity and substrates of XPNPEP3 will illuminate novel cystogenic pathways.

Authors

John F. O’Toole, Yangjian Liu, Erica E. Davis, Christopher J. Westlake, Massimo Attanasio, Edgar A. Otto, Dominik Seelow, Gudrun Nurnberg, Christian Becker, Matti Nuutinen, Mikko Kärppä, Jaakko Ignatius, Johanna Uusimaa, Salla Pakanen, Elisa Jaakkola, Lambertus P. van den Heuvel, Henry Fehrenbach, Roger Wiggins, Meera Goyal, Weibin Zhou, Matthias T.F. Wolf, Eric Wise, Juliana Helou, Susan J. Allen, Carlos A. Murga-Zamalloa, Shazia Ashraf, Moumita Chaki, Saskia Heeringa, Gil Chernin, Bethan E. Hoskins, Hassan Chaib, Joseph Gleeson, Takehiro Kusakabe, Takako Suzuki, R. Elwyn Isaac, Lynne M. Quarmby, Bryan Tennant, Hisashi Fujioka, Hannu Tuominen, Ilmo Hassinen, Hellevi Lohi, Judith L. van Houten, Agnes Rotig, John A. Sayer, Boris Rolinski, Peter Freisinger, Sethu M. Madhavan, Martina Herzer, Florence Madignier, Holger Prokisch, Peter Nurnberg, Peter Jackson, Hemant Khanna, Nicholas Katsanis, Friedhelm Hildebrandt

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Original citation: J. Clin. Invest.2010;120(3):791–802. doi:10.1172/JCI40076.

Citation for this corrigendum: J. Clin. Invest.2010;120(4):1362. doi:10.1172/JCI40076C1.

During the preparation of the manuscript, Peter K. Jackson’s name was inadvertently presented incorrectly in the author list. The correct author list appears above.

The authors regret the errors.

Version history
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