Life Sciences
New research on life sciences from R. Kinkade and co-authors summarized
Published in Cancer Weekly, July 1st, 2008
According to recent research from the United States, "Although it is well established that cyclin-dependent kinases phosphorylate and inactivate Rb, the Raf-1 kinase physically interacts with Rb and initiates the phosphorylation cascade early in the cell cycle. We have identified an orally active small molecule, Rb/Raf-1 disruptor 251 (RRD-251), that potently and selectively disrupts the Rb/Raf-1 but not Rb/E2F, Rb/prohibitin, Rb/cyclin E, and Rb/HDAC binding."
"The selective inhibition of Rb/Raf-1 binding suppressed the ability of Rb to recruit Raf-1 to proliferative promoters and inhibited E2F1-dependent transcriptional activity. RRD-251 inhibited anchorage-dependent...
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Source: Cancer Weekly (2008-07-01)
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