Chromosome 20q amplification regulates in vitro response to Kinesin-5 inhibitor
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ABSTRACT: We identified gene expression signatures predicting responsiveness to a Kinesin-5 (kinesin spindle protein, KIF11) inhibitor (Kinesin-5i) in cultured colon tumor cell lines. Genes predicting resistance to Kinesin-5i were enriched for those from chromosome 20q, a region of frequent amplification in a number of tumor types. siRNAs targeting genes in this chromosomal region identified AURKA, TPX2 and MYBL2 as genes whose disruption enhances response to Kinesin-5i. Taken together, our results show functional interaction between these genes, and suggest that overexpression of AURKA, TPX2 and MYBL2 is functionally involved in resistance to Kinesin-5i. Furthermore, our results suggest that patients whose tumors overexpress AURKA due to amplifications of 20q will be more likely to resist treatment with Kinesin-5 inhibitor, and that inactivation of AURKA may sensitize these patients to treatment. Keywords: Cell line comparison
ORGANISM(S): Homo sapiens
PROVIDER: GSE7969 | GEO | 2008/01/01
SECONDARY ACCESSION(S): PRJNA100725
REPOSITORIES: GEO
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