PIPPing on AKT1: How Many Phosphatases Does It Take to Turn off PI3K?

Cancer Cell

Department of Medicine, Boston University School of Medicine, 650 Albany Street, Boston, MA, 02118, USA. Electronic address:

Published: August 2015

In this issue of Cancer Cell, Ooms and colleagues show that the lipid phosphatase PIPP/INPP5J, frequently inactivated in triple-negative breast cancers, functions as a tumor suppressor by specifically modulating the activity of AKT1 in the context of oncogenic PI3K signaling, leading to inhibition of metastatic dissemination.

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http://dx.doi.org/10.1016/j.ccell.2015.07.010DOI Listing

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PIPPing on AKT1: How Many Phosphatases Does It Take to Turn off PI3K?

Cancer Cell

August 2015

Department of Medicine, Boston University School of Medicine, 650 Albany Street, Boston, MA, 02118, USA. Electronic address:

In this issue of Cancer Cell, Ooms and colleagues show that the lipid phosphatase PIPP/INPP5J, frequently inactivated in triple-negative breast cancers, functions as a tumor suppressor by specifically modulating the activity of AKT1 in the context of oncogenic PI3K signaling, leading to inhibition of metastatic dissemination.

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