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Researchers
from the University of Texas Medical Branch at Galveston report
they have demonstrated how omega-3 fatty acids found in fish
oil offer protection against colon cancer.
The researchers,
reporting in the Journal of Cell Biology, said they have demonstrated
that omega-3 fatty acids block the action of a chemical called
protein kinase C beta II (PKCbII), which is increasingly believed
to promote colon cancer.
The researchers
said that when they gave genetically modified mice whose colon
cells overproduced PKCbII a diet high in omega-3 fatty acides,
it reduced their inclination chance of colon cancer to that
of normal mice.
"These
data indicate that dietary omega-3 fatty acids prevent colon
cancer, at least in part, through inhibition of colonic PKCßII
signaling," the researchers concluded.
Source:
Colorectal
Cancer Week of July 14, 2002
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