Genetic variants that affect a trait provide a
means of exploring the relationship between
the trait and the disease and to identify putative
mechanisms. In a genomewide association
study, Lango Allen et al.4 identified a large number
of independent genetic variants associated
with adult height, which is a highly heritable
trait. Large-scale genomewide association studies
have also been undertaken to determine
genetic variants associated with CAD5-7 and
several cardiovascular risk factors.8-15 Here, we
used the 180 single-nucleotide polymorphisms
(SNPs) that explain about 10% of the variation
in height, as identified by Lango Allen et al.,4
and leveraged CAD-association data for the same
variants for up to 193,449 persons to examine
the association between genetically mediated
variation in height and the risk of CAD. We
also examined the association between the
height-associated variants and several cardiovascular
risk factors and performed bioinformatics
analyses of the height-associated variants to identify
other potential biologic mechanisms that
could link a shorter height with an increased
risk of CAD.
Genetic variants that affect a trait provide ameans of exploring the relationship betweenthe trait and the disease and to identify putativemechanisms. In a genomewide associationstudy, Lango Allen et al.4 identified a large numberof independent genetic variants associatedwith adult height, which is a highly heritabletrait. Large-scale genomewide association studieshave also been undertaken to determinegenetic variants associated with CAD5-7 andseveral cardiovascular risk factors.8-15 Here, weused the 180 single-nucleotide polymorphisms(SNPs) that explain about 10% of the variationin height, as identified by Lango Allen et al.,4and leveraged CAD-association data for the samevariants for up to 193,449 persons to examinethe association between genetically mediatedvariation in height and the risk of CAD. Wealso examined the association between theheight-associated variants and several cardiovascularrisk factors and performed bioinformaticsanalyses of the height-associated variants to identifyother potential biologic mechanisms thatcould link a shorter height with an increasedrisk of CAD.
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