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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Semin+Cell+Dev+Biol
2016 ; 58
(ä): 108-17
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The value of genomics in dissecting the RAS-network and in guiding therapeutics
for RAS-driven cancers
#MMPMID27338857
Shrestha G
; MacNeil SM
; McQuerry JA
; Jenkins DF
; Sharma S
; Bild AH
Semin Cell Dev Biol
2016[Oct]; 58
(ä): 108-17
PMID27338857
show ga
The rise in genomic knowledge over the past decade has revealed the molecular
etiology of many diseases, and has identified intricate signaling network
activity in human cancers. Genomics provides the opportunity to determine genome
structure and capture the activity of thousands of molecular events concurrently,
which is important for deciphering highly complex genetic diseases such as
cancer. In this review, we focus on genomic efforts directed towards one of
cancer's most frequently mutated networks, the RAS pathway. Genomic tools such as
gene expression signatures and assessment of mutations across the RAS network
enable the capture of RAS signaling complexity. Due to this high level of
interaction and cross-talk within the network, efforts to target RAS signaling in
the clinic have generally failed, and we currently lack the ability to directly
inhibit the RAS protein with high efficacy. We propose that the use of gene
expression data can identify effective treatments that broadly inhibit the RAS
network as this approach measures pathway activity independent of mutation status
or any single mechanism of activation. Here, we review the genomic studies that
map the complexity of the RAS network in cancer, and that show how genomic
measurements of RAS pathway activation can identify effective RAS inhibition
strategies. We also address the challenges and future directions for treating
RAS-driven tumors. In summary, genomic assessment of RAS signaling provides a
level of complexity necessary to accurately map the network that matches the
intricacy of RAS pathway interactions in cancer.