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Study confirms safety, cancer-targeting ability of nutrient in broccoli, other vegetables
Date:6/9/2011

by which it may help prevent cancer. HDACs are a family of enzymes that, among other things, affect access to DNA and play a role in whether certain genes are expressed or not, such as tumor suppressor genes.

Some of the mechanisms that help prevent inappropriate cell growth the hallmark of cancer are circumvented in cancer cells. HDAC inhibitors can help "turn on" these silenced genes and restore normal cellular function.

Previous OSU studies done with mouse models showed that prostate tumor growth was slowed by a diet containing sulforaphane.

"It is well documented that sulforaphane can target cancer cells through multiple chemopreventive mechanisms," the researchers wrote in their study. "Here we show for the first time that sulforaphane selectively targets benign hyperplasia cells and cancerous prostate cells while leaving the normal prostate cells unaffected."

"These findings regarding the relative safety of sulforaphane to normal tissues have significant clinical relevance as the use of sulforaphane moves towards use in human clinical trials," they said.

The results also suggest that consumption of sulforaphane-rich foods should be non-toxic, safe, simple and affordable.


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Contact: Emily Ho
Emily.ho@oregonstate.edu
541-737-9559
Oregon State University
Source:Eurekalert

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