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Old 11-16-2005, 08:12 PM   #1
al from Canada
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Curcumin reduces taxol induced mets

Here is an interesting article about curcumin and taxol. I think that this may be one of the cutting-edge supplements. The only thing negative I have read about curcumin is that it may reduce the effacy of AC., all the rest seems good.
BTW, I have ordered some from http://www.pureprescriptions.com/ which has a sale on 3 bottles with free shipping. Also, I have learned that you can get a FREE 15 minute consulation with their naturapathic Doctor by calling them. We have an appointment to review our supplement list next Tueday.
Article below,
Cheers, Al



Curcumin Halts Spread of Breast Cancer in Mice

Curcumin, the main ingredient of turmeric and the compound that gives curry its mustard-yellow color, inhibits metastasis to the lungs of mice with breast cancer, report researchers at The University of Texas M. D. Anderson Cancer Center.

The study, published in the journal Clinical Cancer Research, reports that the spice appears to shut down a protein active in the spread of breast cancer to a major target for metastasis.

Though the study results are early, researchers found that the nontoxic natural substance not only repelled progression of the disease to the lungs, but also appeared to reverse the effects of paclitaxel (Taxol), a commonly prescribed chemotherapy for breast cancer that may trigger spread of the disease with use over a long period of time.

Because Taxol is so toxic, it activates a protein that produces an inflammatory response that induces metastasis. Curcumin suppresses this response, making it impossible for the cancer to spread. In fact, researchers found that adding curcumin to Taxol actually enhances its effect. Curcumin breaks down the dose, making the therapy less toxic and just as powerful while delivering the same level of efficacy.

"We are excited about the results of the study and the possible implications for taking the findings into the clinic in the next several years," says Bharat Aggarwal, Ph.D., professor of cancer medicine in M. D. Anderson's Department of Experimental Therapeutics. "At this time, advanced breast cancer is a difficult foe to fight with few proven treatments available after surgery, chemotherapy and radiation therapy."

Taxol is currently used as the front-line chemotherapeutic agent in breast cancers, but because the drug frequently induces drug resistance after prolonged use, it is not effective in treating metastatic breast cancer, says Aggarwal.

Researchers studied 60 mice with breast cancer, which were randomly assigned to one of four groups: control group, Taxol only, curcumin only and the combination of Taxol and curcumin. After the tumors grew to 10 mm (about the size of a pea), they were surgically removed, and the mice were fed a powdered curcumin diet.

Macroscopic lung metastasis, or metastasis that is visible to the naked eye, was seen in 96 percent of the mice in the control group. Treatment using Taxol alone only "modestly reduced" the incidence of metastases, while the group using curcumin alone and curcumin plus Taxol "significantly reduced" both the incidence and numbers of visible lung metastases.

Microscopic metastasis, or metastasis that is visible only when using a microscope, was found in the lungs of 28 percent of mice treated with the combination of curcumin and Taxol, and there was no macroscopic disease present. The micrometastases present consisted of only a few cells, suggesting that the combination inhibited the growth of breast cancer tumor cells that were in the lung before the tumors were removed.

In a previous study published in the journal Cancer, M. D. Anderson researchers found that when the nuclear factor-kappa B (NF-kB) (a powerful protein known to promote the inflammatory response necessary to cause breast cancer to spread) is shut down, cancer strains are unable to grow and cells are pushed to commit suicide.

The mechanism in this curcumin study works the same way. Taxol activated the NF-kB in breast cancer cells, while curcumin stopped this activation by blocking the protein known as "IKK" that switched on the NF-kB, demonstrating how curcumin and Taxol work against one another. Taxol produced the inflammatory response, triggering metastasis, and curcumin suppressed it, causing cell death. Extracted from the roots of the curcuma longa plant, curcumin is a member of the ginger family. While it is not used in conventional medicine, it is widely prescribed in Indian medicine as a potent remedy for liver disorders, rheumatism, diabetic wounds, runny nose, cough and sinusitis. Traditional Chinese medicine uses curcumin as a treatment for diseases associated with abdominal pain, and it is used in ancient Hindu medicine as a treatment for sprains and swelling. SOURCES:
Clinical Cancer Research, October 15, 2005
Cancer, August 15, 2005
University of Texas, M.D. Anderson Cancer Center (http://www.mdanderson.org)
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Old 11-19-2005, 07:48 PM   #2
Ginger
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Smile Curcurmin

Thanks Al. I just read about Curcumin in a book last weekend called The Breast Cancer Prevention Plan by Dr. Edward J. Conley. Good to learn more about it.
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