Mastl kinase, a promising therapeutic target, promotes cancer recurrence

Ling Wang, Vivian Q. Luong, Peter J Giannini, Aimin Peng

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Mastl kinase promotes mitotic progression and cell cycle reentry after DNA damage. We report here that Mastl is frequently upregulated in various types of cancer. This upregulation was correlated with cancer progression in breast and oral cancer, poor patient survival in breast cancer, and tumor recurrence in head and neck squamous cell carcinoma. We further investigated the role of Mastl in tumor resistance using cell lines derived from the initial and recurrent tumors of the same head and neck squamous cell carcinoma patients. Ectopic expression of Mastl in the initial tumor cells strongly promoted cell proliferation in the presence of cisplatin by attenuating DNA damage signaling and cell death. Mastl knockdown in recurrent tumor cells re-sensitized their response to cancer therapy in vitro and in vivo. Finally, Mastl targeting specifically potentiated cancer cells to cell death in chemotherapy while sparing normal cells. Thus, this study revealed that Mastl upregulation is involved in cancer progression and tumor recurrence after initial cancer therapy, and validated Mastl as a promising target to increase the therapeutic window.

Original languageEnglish (US)
Pages (from-to)11479-11489
Number of pages11
JournalOncotarget
Volume5
Issue number22
DOIs
StatePublished - Jan 1 2014

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Phosphotransferases
Recurrence
Neoplasms
Therapeutics
Breast Neoplasms
DNA Damage
Cell Death
Up-Regulation
Mouth Neoplasms
Cisplatin
Cell Cycle
Cell Proliferation
Drug Therapy
Cell Line
Survival

Keywords

  • Cancer
  • Chemotherapy
  • Greatwall
  • Mastl
  • Recurrence

ASJC Scopus subject areas

  • Oncology

Cite this

Mastl kinase, a promising therapeutic target, promotes cancer recurrence. / Wang, Ling; Luong, Vivian Q.; Giannini, Peter J; Peng, Aimin.

In: Oncotarget, Vol. 5, No. 22, 01.01.2014, p. 11479-11489.

Research output: Contribution to journalArticle

Wang, Ling ; Luong, Vivian Q. ; Giannini, Peter J ; Peng, Aimin. / Mastl kinase, a promising therapeutic target, promotes cancer recurrence. In: Oncotarget. 2014 ; Vol. 5, No. 22. pp. 11479-11489.
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