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Breast inflammation is key to cancer growth, Kimmel Cancer Center researchers say
Date:12/14/2010

addressed this problem by creating a mouse in which the inflammatory system within the adult animal's normal breast could be regulated. This allows selective inactivation of NFKB in different cell types and took 12 years to accomplish, Dr. Pestell says. "These mice have five co-integrated transgenes."

The mice are programmed to develop breast cancer, but the researchers found that if they selectively blocked inflammation just in the breast, tumors would not develop. "This is a very novel finding," Dr. Pestell says.

They then demonstrated that this inactivation also reduced the number of cancer stem cells in the breast. "That told us that inflammation, through the action of NF-κB, is important to the growth and activity of cancer stem cells," Dr. Pestell says. "The transgenic mice are a new technology that can be used by the scientists and the pharmaceutical industry to understand the role of NFKB in different diseases including heart disease, neurodegeneration and other cancers."


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Contact: Ed Federico
ed.federico@hotmail.com
Thomas Jefferson University
Source:Eurekalert

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