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New idea for targeting the common cancer protein KRAS
Date:10/20/2013

pathways downstream of KRAS that drive cell growth and survival.

Instead, they found that a number of small molecules that attached to a special pocket in a region of SOS called the CDC25 domain and increased SOS-mediated guanine nucleotide exchange actually inhibited two of the major signaling pathways downstream of KRAS: the MAPK and PI3K signaling pathways.

The researchers are actively investigating why small molecules that increased SOS-mediated guanine nucleotide exchange in biochemical assays blocked signaling downstream of KRAS in cell lines. They are also working to optimize the small molecules before they conduct studies in preclinical models of cancer.


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Contact: Lauren Riley
lauren.riley@aacr.org
215-446-7109
American Association for Cancer Research
Source:Eurekalert

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