Soy may protect against cancer.
This new study, conducted at the University of Southern California School
of Medicine, found that the soy constituent genistein soy's suppresses
the production of harmful stress proteins in cells. These stress proteins,
which include heat shock proteins (HSPs) and glucose-regulated proteins
(GRPs), normally help cancer cells survive destruction by the immune system.
Dr. Amy S. Lee, one of the authors of the study which was published in
the Journal of the National Cancer Institute, says that soy products contain
high levels of genistein, a phytoestrogen that is a potent inhibitor of
cell proliferation, and that genistein has been found to inhibit both growth
of carcinogen-induced cancers in rats, and human leukemia cells transplanted
into mice. The authors concluded that "the effectiveness of genistein as
an anti-cancer agent in humans await further preclinical, clinical and
epidemiological testing."
PR Newswire, April 24, 1998.
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