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Sex hormones link to heart risk
Date:8/31/2008

lesterol and negatively with HDL-cholesterol. Circulating concentrations of another sex hormone - estrone - showed strong positive associations with both total cholesterol and LDL-cholesterol.

"Thus, men with the highest concentrations of estrone and estradiol may have the highest level of cardiovascular risk as their levels of detrimental LDL-cholesterol are high whilst their cardio-protective HDL-cholesterol is low.

"Most importantly, the demonstrated associations between cholesterol and estrogens were independent of other sex hormones (testosterone and androstenedione), age, body weight, blood pressure and other potential confounding factors.

"Our data suggest that higher levels of estrogens may have negative influence on lipid profile in men early in life, before the apparent onset of cardiovascular disease.

"Why natural endogenous estrogens that are generally seen as cardio-protective in women increase cardiovascular risk in men remains to be elucidated. Future prospective studies are needed to confirm that higher levels of endogenous estrogens in youth increase the risk of heart disease later in man's life.

"A number of other investigations on sex-specific aspects of cardiovascular disease are in progress in our Department and I am sure that we will be able to continue providing information in this area of research in the future."


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Contact: Maciej Tomaszewski
mt142@le.ac.uk
01-162-563-028
University of Leicester
Source:Eurekalert

Page: 1 2

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