Article
Molecular Insights of Pathways Resulting from Two Common PIK3CA Mutations in Breast Cancer.
Cancer research - 1 Jul 2016
Bhat-Nakshatri Poornima, Goswami Chirayu P, Badve Sunil, Magnani Luca, Lupien Mathieu, Nakshatri Harikrishna
Abstract excerpt
The PI3K pathway is activated in approximately 70% of breast cancers. PIK3CA gene mutations or amplifications that affect the PI3K p110α subunit account for activation of this pathway in 20% to 40% of cases, particularly in estrogen receptor alpha (ERα)-positive breast cancers. AKT family of kinases, AKT1-3, are the downstream targets of PI3K and these kinases activate ERα. Although several inhibitors of PI3K...
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