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The New Role for an Old Kinase: Protein Kinase CK2 Regulates Metal Ion Transport

by Adam J. Johnson 1 and Ming J. Wu 1,2,*
1
School of Science and Health, Western Sydney University, Locked Bag 1797, Penrith NSW 2751, Australia
2
Molecular Medicine Research Group, School of Medicine, Western Sydney University, Locked Bag 1797, Penrith NSW 2751, Australia
*
Author to whom correspondence should be addressed.
Academic Editor: Lorenzo Pinna
Pharmaceuticals 2016, 9(4), 80; https://doi.org/10.3390/ph9040080
Received: 18 November 2016 / Revised: 13 December 2016 / Accepted: 16 December 2016 / Published: 21 December 2016
The pleiotropic serine/threonine protein kinase CK2 was the first kinase discovered. It is renowned for its role in cell proliferation and anti-apoptosis. The complexity of this kinase is well reflected by the findings of past decades in terms of its heterotetrameric structure, subcellular location, constitutive activity and the extensive catalogue of substrates. With the advent of non-biased high-throughput functional genomics such as genome-wide deletion mutant screening, novel aspects of CK2 functionality have been revealed. Our recent discoveries using the model organism Saccharomyces cerevisiae and mammalian cells demonstrate that CK2 regulates metal toxicity. Extensive literature search reveals that there are few but elegant works on the role of CK2 in regulating the sodium and zinc channels. As both CK2 and metal ions are key players in cell biology and oncogenesis, understanding the details of CK2’s regulation of metal ion homeostasis has a direct bearing on cancer research. In this review, we aim to garner the recent data and gain insights into the role of CK2 in metal ion transport. View Full-Text
Keywords: protein kinase CK2; metal toxicity; genome-wide screen; metal ion transport; zinc channels; therapeutic targets protein kinase CK2; metal toxicity; genome-wide screen; metal ion transport; zinc channels; therapeutic targets
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Johnson, A.J.; Wu, M.J. The New Role for an Old Kinase: Protein Kinase CK2 Regulates Metal Ion Transport. Pharmaceuticals 2016, 9, 80.

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