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Old 07-02-2008, 02:54 PM
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Default More Evidence - Broccoli vs. Prostate Cancer

Scientists have already observed that diets rich in cruciferous vegetables -- including broccoli, cauliflower, cabbage, Brussels sprouts, bok choy and kale -- may reduce the risk of prostate cancer and other chronic disease.

But the new research, by scientists at Britain's Institute of Food Research, is the first attempt to show how that works in a clinical study involving people, as opposed to animals or cell models.

For the new study, men at risk of developing prostate cancer ate 400 grams of broccoli or 400 grams of peas a week for 12 months, in addition to their normal diet.

The researchers took samples of prostate gland tissue from the men at the start of the study, at six months and at 12 months, to monitor changes in genes linked to cancer.

"There were more changes in gene expression in men who were on the broccoli-rich diet than on the pea diet, and these changes may be associated with the reduction in the risk of developing cancer," said a statement by the Public Library of Science, which published the work Wednesday in its online journal PLoS ONE.

"The results of the study suggested that relatively low amounts of cruciferous vegetables in the diet -- a few portions per week -- can have large effects on gene expression by changing cell signalling pathways," the statement said.
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broccoli, prostate cancer

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