Re: A New Discovery Has Been Made About How Antioxidants Attack Cancer Cells
- From: RF <RF@xxxxxxxxx>
- Date: Fri, 10 Oct 2008 10:56:46 -0700
rpautrey2 wrote:
NaturalNews.com
Originally published October 10 2008
A New Discovery Has Been Made About How Antioxidants Attack Cancer
Cells
by Russell Johnston
(NaturalNews) There's a new reason, and a big one, to think that we
benefit from free-radical-inhibiting antioxidants. We've long thought
that by reducing free radicals, antioxidants can help prevent cancer,
of course. But a recent experiment at Johns Hopkins and published in
the March 14 issue of Science shows how antioxidants may be doing much
more: interfering with the growth of cancers that are already
established, and potentially, even reversing them once established, by
knocking out communications signals between cancer cells that
encourage cells to grow and divide. Those communications signals turn
out to be... free radicals, which the cancer cells often produce in
abundance. Runaway cell division was actually slowed when cancer cells
were introduced to the antioxidant N-acetyl-L-cysteine, under
experimental conditions. This now demonstrates the existence of a
mechanism that can allow a simple antioxidant to slow down or reverse
a cancer that's already in place.
Genetically altered connective tissue cells expressing the cancerous H-
RasV12 gene, together with non-cancerous cells were used in the study.
The cancer cells produced an abundance of superoxide, a well-known
free-radical. But cells' Ras or Rac1 genes produced proteins that
blocked this signal and kept the cell from turning cancerous, as did
doses of other protein inhibitors. However, it was considered more
significant that antioxidants could also inhibit runaway cell
proliferation.
At least in the case of cancers produced by the model H-RasV12 gene,
other cells are influenced to become cancerous "at a distance" if free
radicals or protein-inhibitors aren't present in sufficient numbers to
step in and stop the process.
Kaikobad Irani cautiously summarizes his research by saying that
"Control of signaling pathways involving oxidants may explain why some
antioxidants appear to prevent development of certain cancers." If
you're equally inclined to caution, you may wish to make sure you're
getting plenty of antioxidants.
There are plenty of sources of antioxidants in a good diet, of course,
but by far the most potent and effective antioxidant known to science
is as cheap and available as a long, dark night: that is, melatonin.
Turning your light switch to the off position earlier, keeping it off
longer, and making sure that you are always sleeping in real darkness
are excellent natural ways to boost your melatonin production. Even
occasional changes in your routine, staying up for a couple of extra
hours, can reduce your melatonin for weeks, just as jet lag does.
Buzz up!vote nowBoost this article on YahooBuzz! Click "BuzzUp!"
About the author
Russell Johnston is a private health researcher and writer with a
background in the philosophy and history of science. He began
DarknessHeals.com in order to help publicize dramatic recent medical
research showing the extraordinary importance sleep and chronobiology
have for everyone's health.
Interesting article indeed but, if melatonin is so important, why not take it in
supplement form?
.
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