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Article

MPS1 kinase as a potential therapeutic target in medulloblastoma

  • Authors:
    • Irina Alimova
    • June Ng
    • Peter Harris
    • Diane Birks
    • Andrew Donson
    • Michael D. Taylor
    • Nicholas K. Foreman
    • Sujatha Venkataraman
    • Rajeev Vibhakar
  • View Affiliations / Copyright

    Affiliations: Department of Pediatrics, University of Colorado Denver, Anschutz Medical Campus, Aurora, CO 80045, USA, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO 80045, USA, Department of Neurosurgery, University of Colorado Denver, Anschutz Medical Campus, Aurora, CO 80045, USA, Division of Neurosurgery, Program in Developmental and Stem Cell Biology, Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
  • Pages: 2633-2640
    |
    Published online on: September 12, 2016
       https://doi.org/10.3892/or.2016.5085
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Abstract

Medulloblastoma is the most common type of malignant brain tumor that affects children. Although recent advances in chemotherapy and radiation have improved outcomes, high-risk patients perform poorly with significant morbidity. Gene expression profiling has revealed that monopolar spindle 1 (MPS1) (TTK1) is highly expressed in medulloblastoma patient samples compared to that noted in normal cerebellum. MPS1 is a key regulator of the spindle assembly checkpoint (SAC), a mitotic mechanism specifically required for proper chromosomal alignment and segregation. The SAC can be activated in aneuploid cancer cells and MPS1 is overexpressed in many types of cancers. A previous study has demonstrated the effectiveness of inhibiting MPS1 with small-molecule inhibitors, but the role of MPS1 in medulloblastoma is unknown. In the present study, we demonstrated that MPS1 inhibition by shRNA or with a small-molecule drug, NMS-P715, resulted in decreased cell growth, inhibition of clonogenic potential and induction of apoptosis in cells belonging to both the Shh and group 3 medulloblastoma genomic signature. These findings highlight MPS1 as a rational therapeutic target for medulloblastoma.
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Copy and paste a formatted citation
Spandidos Publications style
Alimova I, Ng J, Harris P, Birks D, Donson A, Taylor MD, Foreman NK, Venkataraman S and Vibhakar R: MPS1 kinase as a potential therapeutic target in medulloblastoma. Oncol Rep 36: 2633-2640, 2016.
APA
Alimova, I., Ng, J., Harris, P., Birks, D., Donson, A., Taylor, M.D. ... Vibhakar, R. (2016). MPS1 kinase as a potential therapeutic target in medulloblastoma. Oncology Reports, 36, 2633-2640. https://doi.org/10.3892/or.2016.5085
MLA
Alimova, I., Ng, J., Harris, P., Birks, D., Donson, A., Taylor, M. D., Foreman, N. K., Venkataraman, S., Vibhakar, R."MPS1 kinase as a potential therapeutic target in medulloblastoma". Oncology Reports 36.5 (2016): 2633-2640.
Chicago
Alimova, I., Ng, J., Harris, P., Birks, D., Donson, A., Taylor, M. D., Foreman, N. K., Venkataraman, S., Vibhakar, R."MPS1 kinase as a potential therapeutic target in medulloblastoma". Oncology Reports 36, no. 5 (2016): 2633-2640. https://doi.org/10.3892/or.2016.5085
Copy and paste a formatted citation
x
Spandidos Publications style
Alimova I, Ng J, Harris P, Birks D, Donson A, Taylor MD, Foreman NK, Venkataraman S and Vibhakar R: MPS1 kinase as a potential therapeutic target in medulloblastoma. Oncol Rep 36: 2633-2640, 2016.
APA
Alimova, I., Ng, J., Harris, P., Birks, D., Donson, A., Taylor, M.D. ... Vibhakar, R. (2016). MPS1 kinase as a potential therapeutic target in medulloblastoma. Oncology Reports, 36, 2633-2640. https://doi.org/10.3892/or.2016.5085
MLA
Alimova, I., Ng, J., Harris, P., Birks, D., Donson, A., Taylor, M. D., Foreman, N. K., Venkataraman, S., Vibhakar, R."MPS1 kinase as a potential therapeutic target in medulloblastoma". Oncology Reports 36.5 (2016): 2633-2640.
Chicago
Alimova, I., Ng, J., Harris, P., Birks, D., Donson, A., Taylor, M. D., Foreman, N. K., Venkataraman, S., Vibhakar, R."MPS1 kinase as a potential therapeutic target in medulloblastoma". Oncology Reports 36, no. 5 (2016): 2633-2640. https://doi.org/10.3892/or.2016.5085
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