cancer

Pomegranate may inhibit metastatic breast cancer

Sunday, October 21, 2012 by: Ethan Evers
Tags: pomegranate, breast cancer, prevention

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(NaturalNews) Pomegranate juice is already known to be active against several cancers, but a new study out of California has just shown for the first time that it potently inhibits three key processes involved in breast cancer metastasis. The researchers were so impressed, they remarked that pomegranate juice is "potentially a very effective treatment to prevent cancer progression in general."

Pomegranate juice for cancer - Current status

Pomegranate juice has already shown cytotoxicity to a variety of cancer cell lines in lab studies. This has been further validated by pre-clinical studies on lab animals showing that oral feeding of pomegranate extract inhibits the growth of lung, skin, colon and prostate tumors. So compelling is the lab evidence that 10 clinical trials have been registered with the NIH to use pomegranate extract against cancer (nine trials on prostate cancer, one on follicular lymphoma). Clinical success has already been demonstrated in a Phase II trial for prostate cancer: PSA doubling time was significantly increased for those patients taking a pomegranate extract in pill form which is equivalent to eight ounces of pomegranate juice. Now it appears that pomegranate juice may also be effective against breast cancer.

Breakthrough results on breast cancer - Metastasis and inflammation

Researchers at the University of California Riverside applied two different concentrations of pomegranate juice (one and five percent) to ER+ and ER- breast cancer cell lines (MCF-7 and MD-MBA-231) as well as to healthy cells (MCF10A). The result: one percent juice completely stopped cancer cell growth in both cancer cell lines, while five percent juice stopped growth and also killed significant portions of the cancer cells. More importantly, even the one percent juice stimulated the expression of genes that suppressed the metastatic process in several ways. First, cancer cell adhesion was significantly increased, which is important in keeping the cancer cells clumped together so they don't invade neighboring tissues. Second, the ability of the cancer cells to migrate was significantly suppressed. Third, the chemical attraction of the cancer cells towards bones (chemotaxis to SDF1-alpha) was markedly decreased (thereby inhibiting bone metastases). Most impressive of all was that none of these effects were seen on the normal breast cells.

In addition to the above effects, the pomegranate juice potently suppressed pro-inflammatory cytokines/chemokines while increasing the levels of anti-inflammatory cytokines. This is important, as increased inflammation is now understood to accelerate the metastatic process, and cancer patients with increased inflammation markers usually have a worse prognosis.

Boost your pomegranate with soy

Achieving the one percent concentration of pomegranate juice as used in this study might not be easy since it would translate into a 165 lb (75 kg) woman drinking 24 ounces (three cups) of pomegranate juice, and that's assuming all the active phytochemicals (ellagic acid, luteolin, pucinic acid) are absorbed intact and distributed evenly throughout the body (pharmacokinetic studies tell us that isn't the case). However, the success in treating prostate cancer with just one cup daily of pomegranate juice (or equivalent pill) indicates that some level of protection is also likely for breast cancer. If you choose to use pomegranate to fight or avoid breast cancer, you may want to consider adding soy (which contains genistein), or a genistein supplement. That's because a recent study showed that the combination of pomegranate juice and genistein inhibited growth of, and killed, MCF-7 breast cancer cells better than either agent alone.

Sources for this article include:

http://www.ncbi.nlm.nih.gov/pubmed/23065001
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2989797/
http://www.clinicaltrials.gov
http://www.ncbi.nlm.nih.gov/pubmed/22689129
http://www.ncbi.nlm.nih.gov/pubmed/16379557

About the author:
Ethan Evers is author of the award-winning medical thriller "The Eden Prescription," in which cutting-edge researchers perfect an effective, all-natural treatment for cancer, only to be hunted down by pharmaceutical interests which will stop at nothing to protect their $80 billion cancer drug cash machine. The Eden Prescription is based on the latest science and draws on real historical events stretching back to the beginning of the "War on Cancer." Ethan has a PhD in Applied Science.

The Eden Prescription is available on amazon: www.amazon.com/Eden-Prescription-cancer-what...
Follow Ethan on Facebook for the latest breakthroughs and news on natural medicine for cancer: www.facebook.com/pages/The-Eden-Prescription...
For more information: www.edenprescription.com




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