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Whole exome sequencing frequently detects a monogenic cause in early onset nephrolithiasis and nephrocalcinosis

Authors
 Ankana Daga  ;  Amar J Majmundar  ;  Daniela A Braun  ;  Heon Yung Gee  ;  Jennifer A Lawson  ;  Shirlee Shril  ;  Tilman Jobst-Schwan  ;  Asaf Vivante  ;  David Schapiro  ;  Weizhen Tan  ;  Jillian K Warejko  ;  Eugen Widmeier  ;  Caleb P Nelson  ;  Hanan M Fathy  ;  Zoran Gucev  ;  Neveen A Soliman  ;  Seema Hashmi  ;  Jan Halbritter  ;  Margarita Halty  ;  Jameela A Kari  ;  Sherif El-Desoky  ;  Michael A Ferguson  ;  Michael J G Somers  ;  Avram Z Traum  ;  Deborah R Stein  ;  Ghaleb H Daouk  ;  Nancy M Rodig  ;  Avi Katz  ;  Christian Hanna  ;  Andrew L Schwaderer  ;  John A Sayer  ;  Ari J Wassner  ;  Shrikant Mane  ;  Richard P Lifton  ;  Danko Milosevic  ;  Velibor Tasic  ;  Michelle A Baum  ;  Friedhelm Hildebrandt 
Citation
 KIDNEY INTERNATIONAL, Vol.93(1) : 204-213, 2018 
Journal Title
 KIDNEY INTERNATIONAL 
ISSN
 0085-2538 
Issue Date
2018
Keywords
monogenic cause ; nephrocalcinosis ; nephrolithiasis ; whole exome sequencing
Abstract
The incidence of nephrolithiasis continues to rise. Previously, we showed that a monogenic cause could be detected in 11.4% of individuals with adult-onset nephrolithiasis or nephrocalcinosis and in 16.7-20.8% of individuals with onset before 18 years of age, using gene panel sequencing of 30 genes known to cause nephrolithiasis/nephrocalcinosis. To overcome the limitations of panel sequencing, we utilized whole exome sequencing in 51 families, who presented before age 25 years with at least one renal stone or with a renal ultrasound finding of nephrocalcinosis to identify the underlying molecular genetic cause of disease. In 15 of 51 families, we detected a monogenic causative mutation by whole exome sequencing. A mutation in seven recessive genes (AGXT, ATP6V1B1, CLDN16, CLDN19, GRHPR, SLC3A1, SLC12A1), in one dominant gene (SLC9A3R1), and in one gene (SLC34A1) with both recessive and dominant inheritance was detected. Seven of the 19 different mutations were not previously described as disease-causing. In one family, a causative mutation in one of 117 genes that may represent phenocopies of nephrolithiasis-causing genes was detected. In nine of 15 families, the genetic diagnosis may have specific implications for stone management and prevention. Several factors that correlated with the higher detection rate in our cohort were younger age at onset of nephrolithiasis/nephrocalcinosis, presence of multiple affected members in a family, and presence of consanguinity. Thus, we established whole exome sequencing as an efficient approach toward a molecular genetic diagnosis in individuals with nephrolithiasis/nephrocalcinosis who manifest before age 25 years.
Full Text
https://www.sciencedirect.com/science/article/pii/S0085253817304945
DOI
10.1016/j.kint.2017.06.025
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pharmacology (약리학교실) > 1. Journal Papers
Yonsei Authors
Gee, Heon Yung(지헌영) ORCID logo https://orcid.org/0000-0002-8741-6177
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/162054
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