Abstract
The regulation of cell signaling occurs through a complex set of coupled processes occurring over multiple length and time scales. Computational modeling approaches have been applied to dissect this complexity over these various time and length scales, which range from the molecular level to the cell and tissue level, but these approaches have not focused heavily on the regulation or roles of phosphatases. Because of the clear importance of phosphatases in cell signaling, significant opportunities exist to expand our understanding of the regulation of cell signaling in metabolism and other cell regulatory processes by focusing modern computational approaches on phosphatases and the processes they regulate. The aim of this chapter is to provide a brief review of some computational modeling approaches that have been usefully applied to study the regulation of signaling, mainly by kinases, over a range of length and time scales and to describe opportunities to apply similar approaches for understanding signaling regulation by phosphatases. Some specific examples of key relevance to metabolism are described.
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Abbreviations
- AKT:
-
Protein kinase B
- DEP1/RPTPJ:
-
Density-enhanced phosphatase 1/receptor-like protein tyrosine phosphatase J
- EGF:
-
Epidermal growth factor
- EGFR:
-
Epidermal growth factor receptor
- GAB1:
-
GRB2-associated binder 1
- GLUT4:
-
Glucose transporter 4
- GRB2:
-
Growth factor receptor-bound protein 2
- HER2:
-
Human epidermal growth factor receptor 2
- HER3/ErbB3:
-
Human epidermal growth factor receptor 3
- IR:
-
Insulin receptor
- IRS:
-
Insulin receptor substrate
- MAP:
-
Mitogen-activated protein
- MAPK:
-
Mitogen-activated protein kinase
- MEK:
-
Mitogen-activated protein kinase kinase
- MKP3/DUSP6:
-
MAP kinase phosphatase 3/dual specificity phosphatase 6
- NSCLC:
-
Non-small cell lung cancer
- PAG/Cbp:
-
Phosphoprotein associated with glycosphingolipid-enriched microdomains/Csk-binding protein
- PDGFR:
-
Platelet-derived growth factor receptor
- PDK1:
-
Phosphoinositide-dependent kinase-1
- PI3K:
-
Phosphoinositide 3-kinase
- PLSR:
-
Partial least squares regression
- PTEN:
-
Phosphatase and tensin homolog
- PTP:
-
Protein tyrosine phosphatase
- PTP1B:
-
Protein tyrosine phosphatase 1B
- Raf:
-
Mitogen-activated protein kinase kinase kinase for ERK pathway
- ROS:
-
Reactive oxygen species
- RPTP:
-
Receptor-like protein tyrosine phosphatase
- RTK:
-
Receptor tyrosine kinase
- SH2:
-
Src homology 2
- SHP1:
-
Src homology 2 domain containing phosphatase 1
- SHP2:
-
Src homology 2 domain containing phosphatase 2
- Src:
-
Proto-oncogene tyrosine kinase
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Acknowledgements
The author gratefully acknowledges Prof. Douglas A. Lauffenburger (MIT) and Prof. Ravi Radhakrishnan (University of Pennsylvania) for helpful feedback on this book chapter.
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Lazzara, M.J. (2013). Quantitative Modeling Approaches for Understanding the Role of Phosphatases in Cell Signaling Regulation: Applications in Metabolism. In: Bence, K. (eds) Protein Tyrosine Phosphatase Control of Metabolism. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-7855-3_2
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