The increasing importance of signal transducer and activator of transcription 3 (STAT3) expression in human cancers has led several laboratories to examine in detail the expression of one of its major negative regulators in oncogenesis - the T-cell protein tyrosine phosphatase, nonreceptor type32 (PTPN2). A recent paper by Shields and colleagues points to the associate depletion of PTPN2 in STAT3-positive breast cancers. We examine these findings and reflect on the mechanism of action of PTPN2 and the consequences of its modulation for STAT3 downstream signaling. © 2013 BioMed Central Ltd.
CITATION STYLE
Tremblay, M. L. (2013). On the role of tyrosine phosphatases as negative regulators of STAT signaling in breast cancers: New findings and future perspectives. Breast Cancer Research, 15(4). https://doi.org/10.1186/bcr3437
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