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Lookup NU author(s): Dr Celine Cano,
Dr Suzannah Harnor,
Dr Elaine Willmore,
Professor Steve Wedge
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© 2018, Springer International Publishing AG, part of Springer Nature.DNA-dependent protein kinase (DNA-PK) is a nuclear serine/threonine protein kinase member of the phosphatidylinositol 3-kinase-related kinase (PIKK) family of enzymes and, once activated, is a key participant in the repair of DNA-double strand breaks (DSBs), playing a central role in non-homologous end joining (NHEJ). There have been significant efforts to identify small molecule catalytic inhibitors of DNA-PK, predominantly as an approach to induce chemo- and radio-sensitisation. The catalytic inhibitors described to date, differ in their potency, selectivity and the reversibility of inhibition. These inhibitors have been established from varied chemical structures that includes use of arylmorpholine, benzaldehde, chromen-4-one and indolin-2-one scaffolds. Clinical exploitation of DNA-PK inhibition in combination with DNA-damaging therapies may require strategies to maximize the likelihood of attaining an increased therapeutic index, such as the use of appropriate biomarker strategies to guide inhibitor dose and schedule, localisation of genotoxin treatment, or the elucidation of additional determinants of tumour sensitivity. M-3814 and VX-984 (M-9831) are examples of DNA-PK catalytic inhibitors that have advanced into clinical development, and which may help to determine whether such an approach represents a plausible therapeutic strategy for cancer therapy.
Author(s): Cano C, Harnor SJ, Willmore E, Wedge SR
Editor(s): Pollard J; Curtin N
Publication type: Book Chapter
Publication status: Published
Book Title: Targeting the DNA Damage Response for Anti-Cancer Therapy
Print publication date: 05/06/2018
Online publication date: 27/05/2018
Acceptance date: 02/04/2016
Series Title: Cancer Drug Discovery and Development
Publisher: Humana Press Inc.
Place Published: New York
Library holdings: Search Newcastle University Library for this item