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. 2013 Oct;1(3):28. doi: 10.3978/j.issn.2305-5839.2012.10.04

Table 1. Genes most frequently altered in CCA.

Gene Mutation Cellular effect Reference(s)
RAS/BRAF Hyperactivation Activation of Ras/Raf/Mek/Erk pathway (80,81)
EGFR/ERBB2 Hyperactivation Activation of MAPK, PI3K/Akt, mTOR and STAT (82,83)
c-MET Hyperactivation Activation of MAPK, PI3K/Akt, mTOR and STAT (84)
p53 Suppression Loss of cell cycle control and apoptosis (85)
SMAD4 Suppression Suppression of TGF-beta downstream targets (86)
APC Suppression Accumulation of β-catenin (87)