Overcoming hypoxia-induced apoptotic resistance through combinatorial inhibition of GSK-3β and CDK1

Patrick A. Mayes, Nathan G. Dolloff, Colin J. Daniel, J. Judy Liu, Lori S. Hart, Kageaki Kuribayashi, Joshua E. Allen, David I H Jee, Jay F. Dorsey, Yingqiu Y. Liu, David T. Dicker, J. Martin Brown, Emma E. Furth, Peter S. Klein, Rosalie Sears, Wafik S. El-Deiry

Research output: Contribution to journalArticle

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Abstract

Tumor hypoxia is an inherent impediment to cancer treatment that is both clinically significant and problematic. In this study, we conducted a cell-based screen to identify small molecules that could reverse the apoptotic resistance of hypoxic cancer cells. Among the compounds, we identified were a structurally related group that sensitized hypoxic cancer cells to apoptosis by inhibiting the kinases GSK-3β and cyclin-dependent kinase (CDK) 1. Combinatorial inhibition of these proteins in hypoxic cancer cells and tumors increased levels of c-Myc and decreased expression of c-IAP2 and the central hypoxia response regulator hypoxia-inducible factor (HIF) 1α. In mice, these compounds augmented the hypoxic tumor cell death induced by cytotoxic chemotherapy, blocking angiogenesis and tumor growth. Taken together, our findings suggest that combinatorial inhibition of GSK-3β and CDK1 augment the apoptotic sensitivity of hypoxic tumors, and they offer preclinical validation of a novel and readily translatable strategy to improve cancer therapy.

Original languageEnglish (US)
Pages (from-to)5265-5275
Number of pages11
JournalCancer Research
Volume71
Issue number15
DOIs
StatePublished - Aug 1 2011

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Glycogen Synthase Kinase 3
Neoplasms
CDC2 Protein Kinase
Hypoxia
Hypoxia-Inducible Factor 1
Cell Death
Phosphotransferases
Apoptosis
Drug Therapy

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Mayes, P. A., Dolloff, N. G., Daniel, C. J., Liu, J. J., Hart, L. S., Kuribayashi, K., ... El-Deiry, W. S. (2011). Overcoming hypoxia-induced apoptotic resistance through combinatorial inhibition of GSK-3β and CDK1. Cancer Research, 71(15), 5265-5275. https://doi.org/10.1158/0008-5472.CAN-11-1383

Overcoming hypoxia-induced apoptotic resistance through combinatorial inhibition of GSK-3β and CDK1. / Mayes, Patrick A.; Dolloff, Nathan G.; Daniel, Colin J.; Liu, J. Judy; Hart, Lori S.; Kuribayashi, Kageaki; Allen, Joshua E.; Jee, David I H; Dorsey, Jay F.; Liu, Yingqiu Y.; Dicker, David T.; Brown, J. Martin; Furth, Emma E.; Klein, Peter S.; Sears, Rosalie; El-Deiry, Wafik S.

In: Cancer Research, Vol. 71, No. 15, 01.08.2011, p. 5265-5275.

Research output: Contribution to journalArticle

Mayes, PA, Dolloff, NG, Daniel, CJ, Liu, JJ, Hart, LS, Kuribayashi, K, Allen, JE, Jee, DIH, Dorsey, JF, Liu, YY, Dicker, DT, Brown, JM, Furth, EE, Klein, PS, Sears, R & El-Deiry, WS 2011, 'Overcoming hypoxia-induced apoptotic resistance through combinatorial inhibition of GSK-3β and CDK1', Cancer Research, vol. 71, no. 15, pp. 5265-5275. https://doi.org/10.1158/0008-5472.CAN-11-1383
Mayes, Patrick A. ; Dolloff, Nathan G. ; Daniel, Colin J. ; Liu, J. Judy ; Hart, Lori S. ; Kuribayashi, Kageaki ; Allen, Joshua E. ; Jee, David I H ; Dorsey, Jay F. ; Liu, Yingqiu Y. ; Dicker, David T. ; Brown, J. Martin ; Furth, Emma E. ; Klein, Peter S. ; Sears, Rosalie ; El-Deiry, Wafik S. / Overcoming hypoxia-induced apoptotic resistance through combinatorial inhibition of GSK-3β and CDK1. In: Cancer Research. 2011 ; Vol. 71, No. 15. pp. 5265-5275.
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