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- W2004580728 abstract "The KCK consortium has validated CDK2 as potential drug target in six highly malignant pediatric tumor types (i.e Ewing sarcoma, osteosarcoma, rhabdomyosarcoma, neuroblastoma, medulloblastoma and ALL). The stepwise procedure started with the selection of genes that can be targeted using small molecule inhibitors. Drug target genes and signal transduction routes were studied using Affymetrix mRNA profiles of over 500 tumors and cell lines. CDK2 and cell cycle signal transduction genes showed expression patterns that were significantly different from reference tissues and expression was related to poor prognosis. The next step to evaluate the potential drug targets consisted of targeted knock down using RNA interference. Inhibition of CDK2 resulted in significant phenotypes in several pediatric tumor models. Cell lines from most tumor types showed growth inhibition and differentiation. Neuroblastoma cell lines showed extensive apoptosis. Highly interesting was the synthetic lethal relation between CDK2 and the driving oncogene MYCN. These findings warranted further evaluation using the CDK2 inhibiting small molecule Roscovitine. This compound was tested in the core panel of pediatric tumor cell lines and more extensive in tumor types that showed high sensitivity for the compound. Neuroblastoma cell lines were most sensitive with IC50 in the low uM range. Neuroblastoma, which showed high sensitivity for Roscovitine, are now being evaluated in in vivo mouse xenograft models. Citation Information: Mol Cancer Ther 2009;8(12 Suppl):C114." @default.
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- W2004580728 date "2009-12-10" @default.
- W2004580728 modified "2023-09-25" @default.
- W2004580728 title "Abstract C114: The KidsCancerKinome: Validation of CDK2 as potential drug target in pediatric tumors" @default.
- W2004580728 doi "https://doi.org/10.1158/1535-7163.targ-09-c114" @default.
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