The genetics of common kidney disease: A pathway toward clinical relevance

Paul E. Drawz, John R. Sedor

Research output: Contribution to journalReview articlepeer-review

17 Scopus citations

Abstract

Genome-wide association studies (GWASs) have advanced our understanding of the genetic basis for common renal diseases, including chronic kidney disease (CKD) and related traits such as hypertension. The 'common variant, common disease' hypothesis - the theoretical basis for gene mapping by GWASs - has, however, underestimated the complexity of the genetic architecture underlying these diseases. The disease-specific variants identified by GWASs, despite being supported by statistically robust associations, often fail to illuminate the biology underlying the association and explain only a small portion of the estimated heritability of these diseases, even in aggregate. Although these variants have highlighted novel pathways that can be targeted therapeutically, their small effect sizes have minimal effects on diagnosis, prognosis, and management of individual patients. At present, therefore, the data do not support the routine use of genetic testing in the management of patients with CKD. Advances in technology, such as massively parallel gene sequencing, and characterization of alternative modes of inheritance should further elucidate the genetic architecture of CKD and provide tools to improve patient care.

Original languageEnglish (US)
Pages (from-to)458-468
Number of pages11
JournalNature Reviews Nephrology
Volume7
Issue number8
DOIs
StatePublished - Aug 1 2011
Externally publishedYes

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