Sunday, June 22, 2014

A new cause of heart disease

A new cause of heart disease.
A genetic deviating occurring in a significant bunch of people with will disease appears to raise the odds for heart criticize or death by 38 percent, a new study suggests. This "stress counteraction gene," which Duke University scientists hitherto linked to an overproduction of cortisol, a stress hormone that can sham heart risks, was found in about 17 percent of men and 3 percent of women with centre disease finish first florida sirve munitson. The new finding, also from Duke researchers, offers a embryonic new explanation for a biological predisposition to sensitivity disease and early death, the study authors said.

The study may eventually lead to personalized therapies for goodness disease patients. "This is very exciting, but it's very preliminary. It certainly merits further investigation," said retreat inventor Beverly Brummett, an associate professor of psychiatry and behavioral sciences at the Duke University School of Medicine. "Down the line, if the findings were replicated, then the next pace would be to assay people on a widespread heart for the gene and watch them more closely".

The study was published Dec 18, 2013 in the minutes PLoS One. Heart complaint is the No. 1 killer of Americans. Its most common cause is the narrowing of coronary arteries, which can model to heart attacks, according to the US National Library of Medicine. About 600000 clan in the United States yearn each year due to heart disease. Brummett and her colleagues ran genetic analyses on more than 6100 milk-white men and women who were piece of a large database of Duke heart catheterization patients.

Two-thirds of the participants were men. Patients carrying the genetic deviant capable the highest rates of heart attacks and deaths over an mediocre follow-up period of six years. Despite adjusting the results for pity disease risk factors such as age, chubbiness and smoking history, the genetic trait was associated with a 38 percent higher hazard of heart attack and death. This breed of association, however, does not necessarily prove a cause-and-effect relationship.

Dr Nieca Goldberg, medical impresario of New York University's Women's Heart Program, said the inspect was "very exciting". "There's a lot of talk dow a depreciate going on about personalized medicine and we're dispiriting to really individualize our therapies," said Goldberg, who was not active in the study. "This identifies a genetic trait that predisposes mobile vulgus to heart disease, and once this is tailored a little more and we have more research, it would be rip-roaring if this genetic test became commercially available," said Goldberg, who is also a spokesperson for the American Heart Association yourvimax. Goldberg said it would be practical to separate how frequently the gene variant occurs in other ethnic groups, such as blacks, Asians and Latinos, since all of the meditate on participants were white.

No comments:

Post a Comment