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Green Tea Extract Shows Promise In Cancer Treatments

We’ve known for some time now that foods high in antioxidants are beneficial in the prevention for some forms of cancer. Researchers are now looking at using antioxidant compounds in the actual treatment of cancer.

Green tea extract, specifically EPCG (epigallocatechin gallate) has been used in research before, but failed to reach tumors when delivered with normal intravenous administration.

However, a new study coming out of the University of Strathclyde shows researchers may be on to something.

More after the jump…

Here’s an excerpt from the story as reported in the Science Daily News:

In initial laboratory tests at the Universities of Strathclyde and Glasgow, researchers used an approach which allowed the treatment to be delivered specifically to the tumors after intravenous administration. Nearly two-thirds of the tumors it was delivered to either shrank or disappeared within one month and the treatment displayed no side effects to normal tissues.

The tests are thought to be the first time that this type of treatment has made cancerous tumors shrink or vanish.

In the tests, on two different types of skin cancer, 40% of both types of tumor vanished, while 30% of one and 20% of another shrank. A further 10% of one of the types were stabilized.

The researchers encapsulated the green tea extract in vesicles that also carried transferrin, a plasma protein which transports iron through the blood. Receptors for transferrin are found in large amounts in many cancers.

Dr Christine Dufès, a senior lecturer at the Strathclyde Institute of Pharmacy and Biomedical Sciences, led the research. She said: “These are very encouraging results which we hope could pave the way for new and effective cancer treatments.

“When we used our method, the green tea extract reduced the size of many of the tumors every day, in some cases removing them altogether. By contrast, the extract had no effect at all when it was delivered by other means, as every one of these tumors continued to grow. Go to article.

While this research is still relatively new and much more is to be learned, I’m encouraged by the fact that studies are now being focused on natural antioxidants and their possible role in the treatment of cancer.

As we learn more you’ll be the first to know.

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Category: News.