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Dual inhibition of SRC and Aurora kinases induces postmitotic attachment defects and cell death
Journal article   Open access   Peer reviewed

Dual inhibition of SRC and Aurora kinases induces postmitotic attachment defects and cell death

V. Ratushny, H. B. Pathak, N. Beeharry, N. Tikhmyanova, F. Xiao, T. Li, S. Litwin, D. C. Connolly, T. J. Yen, L. M. Weiner, …
Oncogene, v 31(10), pp 1217-1227
01 Mar 2012
PMID: 21785464
url
https://europepmc.org/articles/pmc3204164View
Accepted (AM) Open

Abstract

Biochemistry & Molecular Biology Cell Biology Genetics & Heredity Life Sciences & Biomedicine Oncology Science & Technology
Increased activity of SRC family kinases promotes tumor invasion and metastasis, and overexpression of the mitotic regulator Aurora kinase A (AURKA) drives tumor aneuploidy and chromosomal instability. These functions nominate SRC and AURKA as valuable therapeutic targets for cancer, and inhibitors for SRC and Aurora kinases are now being used in the clinic. In this study, we demonstrate potent synergy between multiple inhibitors of Aurora and SRC kinases in ovarian and colorectal cancer cell lines, but not in normal ovarian epithelial cell lines. Combination of Aurora and SRC inhibitors selectively killed cells that have undergone a preceding aberrant mitosis, and was associated with a postmitotic reattachment defect, and selective removal of aneuploid cell populations. Combined inhibition of Aurora kinase and SRC potentiated dasatinib-dependent loss of activated (Y416-phosphorylated) SRC. SRC and AURKA share a common interaction partner, NEDD9, which serves as a scaffolding protein with activities in cell attachment and mitotic control, suggesting SRC and AURKA might interact directly. In vitro, we observed physical interaction and mutual cross-phosphorylation between SRC and AURKA that enhanced SRC kinase activity. Together, these findings suggest that combination of SRC and Aurora-targeting inhibitors in the clinic may be a productive strategy. Oncogene (2012) 31, 1217-1227; doi:10.1038/onc.2011.314; published online 25 July 2011

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Collaboration types
Domestic collaboration
Web of Science research areas
Biochemistry & Molecular Biology
Cell Biology
Genetics & Heredity
Oncology
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