of the gene through a process called methylation. While the gene itself is operational, the cancer has effectively turned it off or at least turned down its expression, potentially aiding the metastatic spread of a tumor.143 That’s where soy may come in. The isoflavones in soy appear to help turn BRCA protection back on, removing the methyl straitjacket the tumor tried to place on it.144 The dose breast cancer researchers used to achieve this result in vitro was pretty hefty, though—the equivalent to eating about a cup of soybeans. Soy may also help women with variations of other breast cancer
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