AUTHOR=Cintas CĂ©lia , Guillermet-Guibert Julie TITLE=Heterogeneity of Phosphatidylinositol-3-Kinase (PI3K)/AKT/Mammalian Target of Rapamycin Activation in Cancer: Is PI3K Isoform Specificity Important? JOURNAL=Frontiers in Oncology VOLUME=7 YEAR=2018 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2017.00330 DOI=10.3389/fonc.2017.00330 ISSN=2234-943X