Acquired glucose sensitivity of k-ras transformed fibroblasts.


Mutational activation of the ras gene is critical for the onset of different malignant phenotypes. We constructed a dominant negative mutant (GEF-DN) of a Ras activator protein (guanine nucleotide-exchange factor) that upon over-expression in k-ras transformed NIH 3T3 fibroblasts strongly reduces intracellular Ras*GTP, reverting these cells to wild-type… (More)


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