Most of the genetic components of Coronary artery disease (CAD) are not fully understood, suggesting that more genes are out there to be found. A team led by researchers from the Perelman School of Medicine at the University of Pennsylvania, Stanford University, and Cambridge University found 15 new risk genes for coronary artery disease.
‘Coronary artery disease - related single-nucleotide polymorphisms in or near 15 new genes responsible for stickiness of cells, coagulation and inflammation, and the differentiation of smooth muscle cells were identified.’
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They studied genetic variants across the genome in 250,736 participants in total, including 88,192 patients with CAD, and identified 15 new risk genes providing new insights about the cause of CAD. Overall they found that many of these risk genes are associated with the myriad of functions taking place in cells lining blood vessels."Coronary artery disease tends to cluster in families and has a strong genetic basis; however, we do not fully understand that genetic foundation," said senior author Danish Saleheen, PhD, an assistant professor of Epidemiology and Biostatistics at Penn.
"We conducted the largest genetic analyses on coronary artery disease to date, including information from people of European, African, South Asian, and East Asian heritages."
The team identified 15 new genetic CAD associations, via SNPs -- or single-nucleotide polymorphisms, places in genes in which the DNA building blocks differ from person to person by only one block, or nucleotide.
They found CAD-related SNPs in or near genes governing such functions as stickiness of cells, coagulation and inflammation, and the differentiation of smooth muscle cells.
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Source-Eurekalert