Scientists find genetic link to cardiac arrest
Washington: Scientists in the US have
identified a group of 12 genetic variants in the gene that is
associated with heart failure in human beings.
A team of researchers at Washington University School
of Medicine, St Louis, has identified these genetic variants
in the HSPB7 gene, Journal of Clinical Investigation reported.
The team, led by Gerald Dorn, used an approach they
have recently developed that allows ultra-high-throughput
targeted DNA sequencing to identify genetic variation in four
genes with biological relevance to heart failure.
They identified in a large group of Caucasian
individuals with heart failure, 129 separate genetic variants
in the four genes, including 23 that seemed to be novel.
Further analysis of 1,117 Caucasian individuals with
heart failure and 625 non-affected Caucasians indicated that a
block of 12 genetic variants in the HSPB7 gene that was
associated with heart failure.
Confirmation of this association was provided by
analysis of an independent group of individuals.
The authors hope to use the same approach to identify
further genetic variants associated with heart failure, a
disease that is influenced by multiple genetic factors.
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