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Post by CMF Newsman on Apr 6, 2007 9:55:07 GMT -5
WASHINGTON (Reuters) - Treating cancer with surgery, chemotherapy or radiation may sometimes cause tumors to spread and U.S. researchers said on Thursday they may have nailed down one of the causes -- a compound called TGF-beta. Tests in mice show that using the chemotherapy drug doxorubicin or radiation both raised levels of TGF-beta, which in turn helped breast cancer tumors spread to the lung. But using an antibody to block TGF-beta stopped the process, Dr. Carlos Arteaga and colleagues at Vanderbilt University in Tennessee reported. story
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