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Stroke
Gene ramps up stroke risk
Last updated: Friday, March 30, 2007
A common genetic defect can significantly increase a person's risk for stroke, Danish researchers report.

The 24-year study included almost 9 200 people, 393 of whom had a stroke and 504 of whom developed cerebrovascular disease during the study period.

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Reporting in the March 27 issue of Neurology, researchers found that people with two copies of the H63D genetic defect in the HFE gene were two to three times more likely to have a stroke than people without the defect.

It's estimated that about 25 percent of northern Europeans carry the H63D gene defect, and it may be even more common in southern Europeans.

Gene has bad record
"This type of gene has previously been associated with brain diseases such as Alzheimer's disease, Parkinson's disease, ALS, multiple sclerosis and cerebrovascular disease, but this is the first time we've been able to determine this gene predicts such a significant increased risk of stroke," study author Dr Borge G. Nordestgaard, of Herlev University Hospital in Copenhagen, said in a prepared statement.

The genetic defect was not associated with carotid atherosclerosis (hardening of the arteries in the neck and head), the researchers said.

Further research is needed to determine why this genetic defect appears to cause such a significant increase in stroke, they added. – (HealthDayNews)

Read more:
Stroke Centre

March 2007
 
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