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Mini-Reviews in Medicinal Chemistry

Editor-in-Chief

ISSN (Print): 1389-5575
ISSN (Online): 1875-5607

Direct Inhibitors of Ras-Effector Protein Interactions

Author(s): Punit Upadhyaya, Walaa Bedewy and Dehua Pei

Volume 16, Issue 5, 2016

Page: [376 - 382] Pages: 7

DOI: 10.2174/1389557515666151001141713

Price: $65

Abstract

Activating Ras mutations are associated with ~30% of all human cancers, which often respond poorly to standard therapies. The four Ras isoforms are therefore highly attractive targets for anticancer drug discovery. However, Ras proteins function through protein-protein interactions and their surfaces lack any major pockets for small molecules to bind; as a result they have been declared “undruggable” for the past 30 years. Several breakthroughs during the past few years may finally remove Ras from the list of undruggable proteins. This mini-review discusses the current approaches to developing inhibitors especially cyclic peptides that physically block the interaction between Ras and its downstream effector proteins, which is potentially the most effective approach for treating Ras mutant cancers.

Keywords: Cancer, Cell signaling, Inhibition, Macrocycles, Protein-protein interaction, Ras.


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