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Future Med Chem. 2011 Oct;3(14):1787-808. doi: 10.4155/fmc.11.121.

Inhibition of Ras for cancer treatment: the search continues.

Author information

1
Department of Biology and the Cancer Research Program, JLC-Biomedical/Biotechnology Research Institute, North Carolina Central University, Durham, NC 27707, USA.

Abstract

The RAS oncogenes (HRAS, NRAS and KRAS) comprise the most frequently mutated class of oncogenes in human cancers (33%), thus stimulating intensive effort in developing anti-Ras inhibitors for cancer treatment. Despite intensive effort, to date, no effective anti-Ras strategies have successfully made it to the clinic. We present an overview of past and ongoing strategies to inhibit oncogenic Ras in cancer. Since approaches to directly target mutant Ras have not been successful, most efforts have focused on indirect approaches to block Ras membrane association or downstream effector signaling. While inhibitors of effector signaling are currently under clinical evaluation, genome-wide unbiased genetic screens have identified novel directions for future anti-Ras drug discovery.

PMID:
22004085
PMCID:
PMC3347641
DOI:
10.4155/fmc.11.121
[Indexed for MEDLINE]
Free PMC Article

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