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Pharmacological inhibition of the Ras pathway in patients with hepatocellular carcinoma (HCC) has shown promising results, supporting the development of additional treatment strategies that target this pathway. Nguyen et al. previously reported a transgenic zebrafish model constitutively expressing krasV12; now, they improve on this system by developing a model that allows krasv12 to be inducibly expressed, giving 100% tumour incidence that can be temporally controlled. They use this system to show that the Raf-MEK-ERK and PI3K-AKT-mTOR signalling pathways are involved in HCC, and that inhibitors of these pathways might be promising therapeutics. Page 63

Written by editorial staff. © 2012. Published by The Company of Biologists Ltd.
2012
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