CDKN2A/p16 deletion in head and neck cancer cells is associated with Cdk2 activation, replication stress, and vulnerability to Chk1 inhibition
Gadhikar MA, Zhang J, Shen L, Rao X, Wang J, Zhao M, Kalu NN, Johnson FM, Byers LA, Heymach J, Hittelman WN, Udayakumar D, Pandita RK, Pandita TK, Pickering CR, Redwood AB, Piwnica-Worms H, Schlacher K, Frederick MJ, Myers JN. CDKN2A/p16 deletion in head and neck cancer cells is associated with Cdk2 activation, replication stress, and vulnerability to Chk1 inhibition. Cancer Research 2018, 78: canres.2802.2017. PMID: 29229598, PMCID: PMC5811346, DOI: 10.1158/0008-5472.can-17-2802.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic AgentsApoptosisBiomarkers, TumorCarcinoma, Squamous CellCell ProliferationCheckpoint Kinase 1Cyclin-Dependent Kinase 2Cyclin-Dependent Kinase Inhibitor p16Cyclin-Dependent Kinase Inhibitor p18DNA ReplicationEnzyme ActivationEnzyme InhibitorsHead and Neck NeoplasmsHumansS PhaseSequence DeletionTumor Cells, CulturedConceptsBiomarker-driven strategiesHNSCC patientsS-phase arrestEarly S-phase arrestCDKN2A/Neck squamous cell carcinoma cell linesSquamous cell carcinoma cell linesSingle-agent activityCell carcinoma cell linesCell linesHypersensitive cellsCarcinoma cell linesCdk2 activationHNSCC cellsDrug dosesCertain tumorsCancer ResCopy number lossCausative factorsHypersensitivityCHK inhibitorsPanel medianMonotherapyDrug ICReplication stress