Vitamin E Can Fight Cancer, But Dietary Vitamin E Doesn't Do the Trick
March 26, 2013 8:50 AM
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Study suggests special Vitamin E-derived drug will be most effective
is a vitamin used by the human body for
a variety of purposes
. Composed of two groups of fused aromatic rings and a fatty tail, the vitamin commonly occurs in two varieties -- beta and gamma-Tocopherols. Now a new study by
Ohio State University
suggests that vitamin E -- or synthetic analogues -- may be useful in fighting a
broad spectrum of cancers
I. Vitamin E Variants Can Fight Cancer
The new study by
, professor of
medicinal chemistry and pharmacognos
y at The Ohio State University and an investigator in
Ohio State’s Comprehensive Cancer Center
, first examined Vitamin E's role in suppressing
, an enzyme that helps keep cancer cells alive.
, "This is the first demonstration of a unique mechanism of how vitamin E can have some benefit in terms of cancer prevention and treatment."
Akt is associated with keeping a variety of cancer cells alive. It is common in many common cancerous cell types with
gene mutations -- such as prostate cancers. The excess Akt suppress apoptosis (cell death) granting the dangerous cells immortality. But suppressing Akt allows the body's natural processes to trigger death of the tumor cells.
Before you rush to load up on Vitamin E pills beware -- the pills contain mostly alpha and beta-Tocopherols, forms of Vitamin E, which the study found to be less effective in suppressing Akt. By contrast, the gamma form is generally poorly absorbed from dietary supplements and scarcer in pill formulations.
Vitamin E and its derivatives are most effective in fighting cancer.
[Image Source: Wikimedia Commons]
Researchers discovered that by tweaking the structure of the more effective gamma variant -- shortening the fatty acid side chain -- they could get an even more impressive 20-fold increase in Akt suppression.
II. Mechanism of Action Identified, OSU Patents Drug
The researchers explain that the effect occurs when Vitamin E binds to Akt and sequesters it to the fatty lipid bilayer on the cell's inner surface. The complex then attracts
, an anti-tumor agent that binds and inactivates Akt. Professor Chen explains, "This is a new finding. We have been taking vitamin E for years but nobody really knew about this particular anti-cancer mechanism. By reducing two-thirds of the chain, the molecule had a 20 times more potent anti-tumor effect, while retaining the integrity of vitamin E’s head group."
Rodents injected with the Vitamin E-like chemical saw death of prostate cancer tumors, saving their lives. At the same time the agent showed no toxicity or other adverse effects.
AKT1 (left) and AKT2 (right) are common cancer-causing proteins, which the Vitamin E derivatives block. [Image Source: Wikimedia Commons]
While dietary vitamin E is crucial for other purposes, the successful tumor-killing properties of the vitamin E derivative could lead to a new non-toxic cancer therapy via either injections of the drug or ingested absorption. Describes Professor Chen, "Our goal is to develop a safe pill at the right dose that people could take every day for cancer prevention. It takes time to optimize the formulation and the dose."
Ohio State has patented the Vitamin-E derived chemical, indicating that it hopes to commercialize it as a cancer treatment.
The work was funded by government grants from the
National Institutes of Health
, and a paper on the work was
in this month's issue of the peer-reviewed journal
Ohio State Univ.
This article is over a month old, voting and posting comments is disabled
3/27/2013 12:41:33 AM
It's laughable to be even talking about expensive, patented cancer cures when 99% of our food and non-food products in supermarkets contain carcinogenic additives. If you don't see how obviously perverted and corrupt this whole industry is you need to open your eyes. Oh, it's easy to profiteer from someone elses misery, but when someone you love is dying from cancer the last thing on your mind will be how to make lots of profit.
3/27/2013 8:13:53 AM
Oxygen is carcinogenic. Absolutely every biochemical process which creates or changes cell in your body can go wrong, and lead to cancerous growth. Basically, everybody who does not manage to die from something else first will develop some form of cancer sooner or later, it's just a question of statistics.
Don't worry though, if you swallow vitamin-pills for 30 years, you are almost guaranteed to die from the side-effects of those.
3/27/2013 11:53:03 AM
Tar, you spew out the standard industry logic that leads people to believe that steamed broccoli is no safer than potato chips with cola. You're either a completely ignorant moron or a very clever, polished, paid propagandist with no morals. People like you cause more destruction to civilizations than any terrorist.
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