Review
doi: 10.1016/j.bbcan.2008.05.005.
Epub 2008 Jun 3.
Protein phosphatase 2A regulatory subunits and cancer
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- PMID: 18588945
- DOI: 10.1016/j.bbcan.2008.05.005
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Review
Protein phosphatase 2A regulatory subunits and cancer
Biochim Biophys Acta.
2009 Jan.
Abstract
The serine/threonine protein phosphatase (PP2A) is a trimeric holoenzyme that plays an integral role in the regulation of a number of major signaling pathways whose deregulation can contribute to cancer. The specificity and activity of PP2A are highly regulated through the interaction of a family of regulatory B subunits with the substrates. Accumulating evidence indicates that PP2A acts as a tumor suppressor. In this review we summarize the known effects of specific PP2A holoenzymes and their roles in cancer relevant pathways. In particular we highlight PP2A function in the regulation of MAPK and Wnt signaling.
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