Mutations in 12 known dominant disease-causing genes clarify many congenital anomalies of the kidney and urinary tract

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Mutations in 12 known dominant disease-causing genes clarify many congenital anomalies of the kidney and urinary tract

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Title: Mutations in 12 known dominant disease-causing genes clarify many congenital anomalies of the kidney and urinary tract
Author: Hwang, Daw-Yang; Dworschak, Gabriel C.; Kohl, Stefan; Saisawat, Pawaree; Vivante, Asaf; Hilger, Alina C.; Reutter, Heiko M.; Soliman, Neveen A.; Bogdanovic, Radovan; Kehinde, Elijah O.; Tasic, Velibor; Hildebrandt, Friedhelm

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Citation: Hwang, D., G. C. Dworschak, S. Kohl, P. Saisawat, A. Vivante, A. C. Hilger, H. M. Reutter, et al. 2014. “Mutations in 12 known dominant disease-causing genes clarify many congenital anomalies of the kidney and urinary tract.” Kidney international 85 (6): 1429-1433. doi:10.1038/ki.2013.508. http://dx.doi.org/10.1038/ki.2013.508.
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Abstract: Congenital anomalies of the kidney and urinary tract (CAKUT) account for approximately half of children with chronic kidney disease. CAKUT can be caused by monogenic mutations, however, data are lacking on their frequency. Genetic diagnosis has been hampered by genetic heterogeneity and lack of genotype-phenotype correlation. To determine the percentage of cases with CAKUT that can be explained by mutations in known CAKUT genes, we analyzed the coding exons of the 17 known dominant CAKUT-causing genes in a cohort of 749 individuals from 650 families with CAKUT. The most common phenotypes in this CAKUT cohort were 288 with vesicoureteral reflux, 120 with renal hypodysplasia and 90 with unilateral renal agenesis. We identified 37 different heterozygous mutations (33 novel) in 12 of the 17 known genes in 47 patients from 41 of the 650 families (6.3%). These mutations include (number of families): BMP7 (1), CDC5L (1), CHD1L (5), EYA1 (3), GATA3 (2), HNF1B (6), PAX2 (5), RET (3), ROBO2 (4), SALL1 (9), SIX2 (1), and SIX5 (1). Furthermore, several mutations previously reported to be disease-causing are most likely benign variants. Thus, in a large cohort over 6% of families with isolated CAKUT are caused by a mutation in 12 of 17 dominant CAKUT genes. Our report represents one of the most in-depth diagnostic studies of monogenic causes of isolated CAKUT in children.
Published Version: doi:10.1038/ki.2013.508
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4040148/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:13581134
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