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Another mechanism discovered by which sulforaphane prevents cancer
Date:2/28/2012

appears to have."

DNA methylation, Ho said, is a normal process of turning off genes, and it helps control what DNA material gets read as part of genetic communication within cells. In cancer that process gets mixed up. And of considerable interest to researchers is that these same disrupted processes appear to play a role in other neurodegenerative diseases, including cardiovascular disease, immune function, neurodegenerative disease and even aging.

The influence of sulforaphane on DNA methylation was explored by examining methylation of the gene cyclinD2.

This research, which was published in the journal Clinical Epigenetics, primarily studied the effect on prostate cancer cells. But the same processes are probably relevant to many other cancers as well, researchers said, including colon and breast cancer.

"With these processes, the key is balance," Ho said. "DNA methylation is a natural process, and when properly controlled is helpful. But when the balance gets mixed up it can cause havoc, and that's where some of these critical nutrients are involved. They help restore the balance."

Sulforaphane is particularly abundant in broccoli, but also found in other cruciferous vegetables such as cauliflower and kale. Both laboratory and clinical studies have shown that higher intake of cruciferous vegetables can aid in cancer prevention.


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

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