Gene linked to high blood pressure identifiedDecember 30th, 2008 - 12:49 pm ICT by ANI
Washington, Dec 30 (ANI): A common gene variant that appears to influence people’’s risk of developing high blood pressure has been identified by researchers at the University of Maryland School of Medicine.
According to the results of a study being published online in the Proceedings of the National Academy of Sciences (PNAS), the STK39 gene is the first hypertension susceptibility gene to be uncovered through a new technique called a genome-wide association study and confirmed by data from several independent studies.
Located on chromosome 2, the gene produces a protein that helps to regulate how the kidneys process salt, which plays a key role in determining blood pressure.
“This discovery has great potential for enhancing our ability to tailor treatments to the individual what we call personalized medicine and to more effectively manage patients with hypertension. We hope that it will lead to new therapies to combat this serious public health problem worldwide,” says the senior author, Yen-Pei Christy
Chang, Ph.D., an assistant professor of medicine and of epidemiology and preventive medicine at the University of Maryland School of Medicine.
But, Dr. Chang says, more research is needed. “Hypertension is a very complex condition, with numerous other genetic, environmental and lifestyle factors involved. The STK39 gene is only one important piece of the puzzle,” she says.
“We want to determine how people with different variations of this gene respond to diuretics and other medications, or to lifestyle changes, such as reducing the amount of salt in their diet. This information might help us discover the most effective way to control an individual patient’’s blood pressure, the expert added.
The University of Maryland researchers identified the link between the STK39 gene and blood pressure by analyzing the DNA of 542 members of the Old Order Amish community in Lancaster County, Pennsylvania, scanning approximately 100,000 genetic markers across the entire genome for variants known as single nucleotide polymorphisms, or SNPs, associated with systolic and diastolic blood pressure.
The researchers found strong association “signals” with common variants of the serine/threonine kinase gene, or STK39, and confirmed their findings in another group of Amish people and in four other groups of Caucasians in the United States and Europe. (ANI)
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