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Prostate cancer and blood lipids share genetic links
Date:4/30/2014

Numerous studies have suggested a relationship between cardiovascular disease risk factors and prostate cancer. A new study by researchers at the University of California, San Diego School of Medicine, with colleagues in Norway, significantly refines the association, highlighting genetic risk factors associated with low density lipoprotein (LDL) cholesterol and triglycerides as key players and identifying 17 related gene loci that make risk contributions to levels of these blood lipids and to prostate cancer

The findings, published in the April 30, 2014 online issue of the International Journal of Epidemiology, provide new insights into the pathobiology of prostate cancer and may point to novel therapies to lower blood lipid levels that might help prevent prostate cancer the second most common cause of cancer death among American men.

The research team, headed by senior authors Anders M. Dale, PhD, professor in the departments of radiology, neurosciences and psychiatry at the UC San Diego School of Medicine, and Ole Andreassen, professor of psychiatry at Oslo University, applied a genetic epidemiology method to assess statistics from multiple genome-wide association studies, looking for genetic overlap between the phenotypes for prostate cancer and cardiovascular disease (CVD) risk factors. In the case of the latter, they specifically investigated triglycerides, LDL and high density lipoprotein cholesterol, systolic blood pressure, body mass index, waist-hip ratio and type 2 diabetes.

The researchers also examined enrichment of single nucleotide polymorphisms bits of DNA that vary among individuals associated with prostate cancer and CVD risk.

LDL cholesterol and triglycerides displayed a strong association with prostate cancer.

"It's fair to say that risk relationships of various sorts have been proposed between prostate cancer and cardiovascular disease, although not comorbidity per se," said co-author
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Contact: Scott LaFee
slafee@ucsd.edu
619-543-6163
University of California - San Diego
Source:Eurekalert

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