Genetic variation of DKK3 may modify renal disease severity in ADPKD

Michelle Liu, Sally Shi, Sean Senthilnathan, Julie Yu, Elliot Wu, Carsten Bergmann, Klaus Zerres, Nadja Bogdanova, Eliecer Coto, Constantinos Deltas, Alkis Pierides, Kyproula Demetriou, Olivier Devuyst, Berenice Gitomer, Marku Laakso, Anne Lumiaho, Klea Lamnissou, Riccardo Magistroni, Patrick Parfrey, Martijn BreuningDorien J M Peters, Roser Torra, Christopher G. Winearls, Vicente Torres, Peter C Harris, Andrew D. Paterson, York Pei

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Abstract

Significant variation in the course of autosomal dominant polycystic kidney disease (ADPKD) within families suggests the presence of effect modifiers. Recent studies of the variation within families harboring PKD1 mutations indicate that genetic background may account for 32 to 42% of the variance in estimated GFR (eGFR) before ESRD and 43 to 78% of the variance in age at ESRD onset, but the genetic modifiers are unknown. Here, we conducted a high-throughput single-nucleotide polymorphism (SNP) genotyping association study of 173 biological candidate genes in 794 white patients from 227 families with PKD1. We analyzed two primary outcomes: (1) eGFR and (2) time to ESRD (renal survival). For both outcomes, we used multidimensional scaling to correct for population structure and generalized estimating equations to account for the relatedness among individuals within the same family. We found suggestive associations between each of 12 SNPs and at least one of the renal outcomes. We genotyped these SNPs in a second set of 472 white patients from 229 families with PKD1 and performed a joint analysis on both cohorts. Three SNPs continued to show suggestive/significant association with eGFR at the Dickkopf 3 (DKK3) gene locus; no SNPs significantly associated with renal survival. DKK3 antagonizes Wnt/β-catenin signaling, which may modulate renal cyst growth. Pending replication, our study suggests that genetic variation of DKK3 may modify severity of ADPKD resulting from PKD1 mutations.

Original languageEnglish (US)
Pages (from-to)1510-1520
Number of pages11
JournalJournal of the American Society of Nephrology
Volume21
Issue number9
DOIs
StatePublished - Sep 2010

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Autosomal Dominant Polycystic Kidney
Single Nucleotide Polymorphism
Kidney
Chronic Kidney Failure
Catenins
Mutation
Age of Onset
Genes
Cysts
Growth
Population

ASJC Scopus subject areas

  • Nephrology
  • Medicine(all)

Cite this

Liu, M., Shi, S., Senthilnathan, S., Yu, J., Wu, E., Bergmann, C., ... Pei, Y. (2010). Genetic variation of DKK3 may modify renal disease severity in ADPKD. Journal of the American Society of Nephrology, 21(9), 1510-1520. https://doi.org/10.1681/ASN.2010030237

Genetic variation of DKK3 may modify renal disease severity in ADPKD. / Liu, Michelle; Shi, Sally; Senthilnathan, Sean; Yu, Julie; Wu, Elliot; Bergmann, Carsten; Zerres, Klaus; Bogdanova, Nadja; Coto, Eliecer; Deltas, Constantinos; Pierides, Alkis; Demetriou, Kyproula; Devuyst, Olivier; Gitomer, Berenice; Laakso, Marku; Lumiaho, Anne; Lamnissou, Klea; Magistroni, Riccardo; Parfrey, Patrick; Breuning, Martijn; Peters, Dorien J M; Torra, Roser; Winearls, Christopher G.; Torres, Vicente; Harris, Peter C; Paterson, Andrew D.; Pei, York.

In: Journal of the American Society of Nephrology, Vol. 21, No. 9, 09.2010, p. 1510-1520.

Research output: Contribution to journalArticle

Liu, M, Shi, S, Senthilnathan, S, Yu, J, Wu, E, Bergmann, C, Zerres, K, Bogdanova, N, Coto, E, Deltas, C, Pierides, A, Demetriou, K, Devuyst, O, Gitomer, B, Laakso, M, Lumiaho, A, Lamnissou, K, Magistroni, R, Parfrey, P, Breuning, M, Peters, DJM, Torra, R, Winearls, CG, Torres, V, Harris, PC, Paterson, AD & Pei, Y 2010, 'Genetic variation of DKK3 may modify renal disease severity in ADPKD', Journal of the American Society of Nephrology, vol. 21, no. 9, pp. 1510-1520. https://doi.org/10.1681/ASN.2010030237
Liu, Michelle ; Shi, Sally ; Senthilnathan, Sean ; Yu, Julie ; Wu, Elliot ; Bergmann, Carsten ; Zerres, Klaus ; Bogdanova, Nadja ; Coto, Eliecer ; Deltas, Constantinos ; Pierides, Alkis ; Demetriou, Kyproula ; Devuyst, Olivier ; Gitomer, Berenice ; Laakso, Marku ; Lumiaho, Anne ; Lamnissou, Klea ; Magistroni, Riccardo ; Parfrey, Patrick ; Breuning, Martijn ; Peters, Dorien J M ; Torra, Roser ; Winearls, Christopher G. ; Torres, Vicente ; Harris, Peter C ; Paterson, Andrew D. ; Pei, York. / Genetic variation of DKK3 may modify renal disease severity in ADPKD. In: Journal of the American Society of Nephrology. 2010 ; Vol. 21, No. 9. pp. 1510-1520.
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