Researchers ID marker for deadly form of breast cancer

PALO ALTO, CA

Doctor Howard Chang and his colleagues have been working with "hotair" -- a newly recognized type of RNA, which is part of the body's genetic makeup that tells cells what to do.

The marker has been found in great numbers in deadly tumors. Researchers think blocking hotair might one day help stop the spread of cancer for up to one-third of all breast cancer patients.

The study is in Thursday's issue of the journal "Nature."

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