Expression of PIK3CA, PTEN mRNA and PIK3CA mutations in primary breast cancer: association with lymph node metastases

Irina Palimaru, Anja Høegh Brügmann, Marie Kim Wium-Andersen, Ebba Nexo, Boe Sandahl Sorensen

Abstract

High activity of the intracellular phosphatidylinositol-3 kinase (PI3K) pathway is common in breast cancer. Here, we explore differences in expression of important PI3K pathway regulators: the activator, phosphatidylinositol-3-kinase catalytic subunit alpha (PIK3CA), and the tumour suppressor, phosphatase and tensin homolog (PTEN), in breast carcinoma tissue and normal breast tissue. Furthermore, we examine whether expression of PIK3CA and PTEN mRNA and occurrence of PIK3CA mutations are associated with lymph node metastases in patients with primary breast cancer.
OriginalsprogEngelsk
TidsskriftSpringerPlus
Vol/bind2
Sider (fra-til)464
DOI
StatusUdgivet - 2013

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