Proteomics

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Melanoma NRAS - Cooperative induction of apoptosis in nras mutant melanoma by inhibition of mek and rock


ABSTRACT: In the present work we propose a new therapy for NRAS mutant melanoma. Simultaneous inhibition of MEK and ROCK caused induction of BimEL , PARP, and Puma, and hence apoptosis. In vivo, MEK and ROCK inhibition suppressed growth of established tumors. Our findings warrant clinical investigation of the effectiveness of combinatorial targeting of MAPK/ERK and ROCK in NRAS mutant melanoma.

INSTRUMENT(S): LTQ Orbitrap Elite, Q Exactive

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Whole Body

SUBMITTER: Teck Yew Low  

LAB HEAD: Albert J.R. Heck

PROVIDER: PXD000528 | Pride | 2015-03-11

REPOSITORIES: pride

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Publications


No effective targeted therapy is currently available for NRAS mutant melanoma. Experimental MEK inhibition is rather toxic and has only limited efficacy in clinical trials. At least in part, this is caused by the emergence of drug resistance, which is commonly seen for single agent treatment and shortens clinical responses. Therefore, there is a dire need to identify effective companion drug targets for NRAS mutant melanoma. Here, we show that at concentrations where single drugs had little effe  ...[more]

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