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From Turmeric fights breast cancer

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Turmeric fights breast cancer

Turmeric is a yellow spice used widely in Indian cooking. US researchers have found that curcumin, an active compound found in turmeric, helped stop the spread of breast cancer tumour cells to the lungs in mice.

"Tests have already started in people, too", said Bharat Aggarwal of the Department of Experimental Therapeutics at the University of Texas Anderson Cancer Centre in Houston, who led the study.

"Here you don't need to worry about safety. The only thing we have to worry about is efficacy," Aggarwal said in a telephone interview.

"Curcumin, as you know, is very much an essential part of the Indian diet," he added.

"What's exciting about this agent is that it seems to have both chemopreventive and therapeutic properties. If we can demonstrate that it is efficacious in humans, it could be of tremendous value, but we're a long way from being able to make any recommendations yet," Aggarwal said.

Earlier research showed that curcumin, which acts as an antioxidant, can help prevent tumours from forming in the laboratory.

For their study, Aggarwal and colleagues injected mice with human breast cancer cells – a batch of cells grown from a patient whose cancer had spread to the lungs.

The resulting tumours were allowed to grow, and then surgically removed, to simulate a mastectomy, Aggarwal said. Then the mice either got no additional treatment; curcumin alone; the cancer drug paclitaxel, which is sold under the brand name Taxol; or curcumin plus Taxol.

Half the mice in the curcumin-only group and 22 per cent of those in the curcumin plus Taxol group had evidence of breast cancer that had spread to the lungs, Aggarwal said in a study to be presented to a breast cancer research meeting in Philadelphia.

But 75 per cent of animals that got Taxol alone and 95 per cent of those that got no treatment developed lung tumours.

Aggarwal said earlier studies suggest that people who eat diets rich in turmeric have lower rates of breast cancer, prostate cancer, lung cancer and colon cancer.

His team would like to try giving curcumin to women who know they have a high risk of breast cancer – such as those who have a mother or sister with the disease.

No drug company is likely to develop a natural product that cannot be patented, he said.

"There are no companies behind it so our only source of funding is either the National Institutes of Health or the Department of Defence," he said.

This study was funded by the US Department of Defence's Breast Cancer Research Programme.

Aggarwal's team is also testing curcumin against pancreatic cancer and multiple myeloma.

Cancer terms:
Benign: Something like a growth or ulcer that is not cancer. If the doctor tells your tumor is benign, that means the tumor is not cancer. See section on what is cancer for more details. See cancer terms for more cancer related terms. Turmeric fights breast cancer

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