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Turmeric component kills cancer cells

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10:20am, October 6, 2004

The curry spice turmeric gets its yellow color from curcumin. This same compound kills cancer cells in laboratory tests, researchers report in the Sept. 20 International Journal of Cancer.

When mixed with cells from human head and neck cancers, curcumin stopped proliferation and induced cell suicide, or apoptosis, in the malignant cells, says study coauthor Yasunari Takada, a molecular biologist at M.D. Anderson Cancer Center in Houston. Curcumin had no effect on healthy cells.

Curcumin is an antioxidant that has anti-inflammatory effects. In this study, it suppressed the activity of NF-kappa-B, a protein that is overproduced in tumor cells. NF-kappa-B switches on genes for proteins involved in inflammation and cell replication.

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