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PLoS By Category | Recent PLoS Articles
Geriatrics - Public Health and Epidemiology

Runs of Homozygosity Do Not Influence Survival to Old Age
Published: Monday, July 25, 2011
Author: Maris Kuningas et al.

by Maris Kuningas, Ruth McQuillan, James F. Wilson, Albert Hofman, Cornelia M. van Duijn, André G. Uitterlinden, Henning Tiemeier

Runs of homozygosity (ROH) are extended tracts of adjacent homozygous single nucleotide polymorphisms (SNPs) that are more common in unrelated individuals than previously thought. It has been proposed that estimating ROH on a genome-wide level, by making use of the genome-wide single nucleotide polymorphism (SNP) data, will enable to indentify recessive variants underlying complex traits. Here, we examined ROH larger than 1.5 Mb individually and in combination for association with survival in 5974 participants of the Rotterdam Study. In addition, we assessed the role of overall homozygosity, expressed as a percentage of the autosomal genome that is in ROH longer than 1.5 Mb, on survival during a mean follow-up period of 12 years. None of these measures of homozygosity was associated with survival to old age.
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