Chapter 1

Global Approaches to Understanding Protein Kinase Functions

Jennifer L. Gorman

Jennifer L. Gorman

Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, 600 University Avenue, Toronto, Ontario M5G 1X5, Canada

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James R. Woodgett

James R. Woodgett

Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, 600 University Avenue, Toronto, Ontario M5G 1X5, Canada

University of Toronto, Department of Medical Biophysics, Toronto, Ontario Canada

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First published: 25 September 2015

Summary

This chapter initially describes the subclasses of protein kinases, provides examples of their roles in disease, and discusses methods for their characterization and functional assignments. It exemplifies the role of key protein kinases in the pathophysiology of two of the chronic diseases that affect tens of millions of people worldwide: Alzheimer's disease (AD) and cancer. Knockdown of kinase expression in cell lines has been instrumental in establishing the complex roles of protein kinases in cellular function in both the normal and disease states. While knockdown of kinase activity through RNAi and chemical inhibitors allows for the assessment of kinase function, ultimately these models do not fully recapitulate the system as a whole with its many interacting cell types. The development of mouse models in which a particular kinase has been deleted provides a more informative method to ascertain their complete biological function.

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