2023
FAK drives resistance to therapy in HPV-negative head and neck cancer in a p53-dependent manner.
Pifer P, Yang L, Kumar M, Xie T, Frederick M, Hefner A, Beadle B, Molkentine D, Molkentine J, Dhawan A, Abdelhakiem M, Osman A, Leibowitz B, Myers J, Pickering C, Sandulache V, Heymach J, Skinner H. FAK drives resistance to therapy in HPV-negative head and neck cancer in a p53-dependent manner. Clinical Cancer Research 2023, 30: 187-197. PMID: 37819945, PMCID: PMC10767302, DOI: 10.1158/1078-0432.ccr-23-0964.Peer-Reviewed Original ResearchConceptsHPV-negative headHPV-negative HNSCC tumorsWorse disease-free survivalNeck squamous cell carcinomaMutant TP53HPV-negative HNSCC cell linesBackbone of therapyDisease-free survivalPlatinum-based chemotherapySquamous cell carcinomaHPV-negative HNSCCHNSCC cell linesCell linesWild-type TP53Cisplatin-resistant cell linesCell carcinomaHNSCC cohortNeck cancerHNSCC tumorsVivo shRNA screenWorse outcomes
2022
p16 Represses DNA Damage Repair via a Novel Ubiquitin-Dependent Signaling Cascade
Molkentine DP, Molkentine JM, Bridges KA, Valdecanas DR, Dhawan A, Bahri R, Hefner AJ, Kumar M, Yang L, Abdelhakiem M, Pifer PM, Sandulache V, Sheth A, Beadle BM, Thames HD, Mason KA, Pickering CR, Meyn RE, Skinner HD. p16 Represses DNA Damage Repair via a Novel Ubiquitin-Dependent Signaling Cascade. Cancer Research 2022, 82: 916-928. PMID: 34965932, PMCID: PMC9136619, DOI: 10.1158/0008-5472.can-21-2101.Peer-Reviewed Original ResearchMeSH KeywordsCarcinoma, Squamous CellCarrier ProteinsCyclin-Dependent Kinase Inhibitor p16DNA DamageDNA, ViralHead and Neck NeoplasmsHumansPapillomaviridaePapillomavirus InfectionsSignal TransductionSquamous Cell Carcinoma of Head and NeckTumor Suppressor ProteinsUbiquitinUbiquitin-Protein LigasesUbiquitin-Specific Peptidase 7ConceptsUbiquitin-specific protease 7DNA damage repairDamage repairHPV-positive tumorsTranscription factor Sp1Human papillomavirusFactor Sp1Neck squamous cell carcinoma cellsDNA-damaging therapiesRenders cellsHomologous recombinationSignaling cascadesHPV-negative diseaseSquamous cell carcinoma cellsHPV-negative counterpartsHPV-positive diseaseSquamous cell carcinomaUSP7 inhibitorsDNA damageHPV-negative HNSCCFunctional roleDegradation pathwayHPV positivityPathwayUndiscovered pathways
2016
Proteomic Profiling Identifies PTK2/FAK as a Driver of Radioresistance in HPV-negative Head and Neck Cancer
Skinner HD, Giri U, Yang L, Woo SH, Story MD, Pickering CR, Byers LA, Williams MD, El-Naggar A, Wang J, Diao L, Shen L, Fan YH, Molkentine DP, Beadle BM, Meyn RE, Myers JN, Heymach JV. Proteomic Profiling Identifies PTK2/FAK as a Driver of Radioresistance in HPV-negative Head and Neck Cancer. Clinical Cancer Research 2016, 22: 4643-4650. PMID: 27036135, PMCID: PMC5061056, DOI: 10.1158/1078-0432.ccr-15-2785.Peer-Reviewed Original ResearchConceptsHPV-negative HNSCC cell linesHPV-negative HNSCCHNSCC cell linesTargetable biomarkersHuman papillomavirusIndependent cohortCandidate biomarkersPoor disease-free survivalNeck squamous cell carcinomaBiomarker of radioresistanceDisease-free survivalSquamous cell carcinomaDisease-related mortalityMerit further evaluationCell linesFAK inhibitionG2-M arrestFocal adhesion kinaseAdvanced HNSCCWorse DFSCancer Genome AtlasCell carcinomaPharmacologic blockadeCancer subgroupsFAK overexpression