2024
Systems modeling of oncogenic G-protein and GPCR signaling reveals unexpected differences in downstream pathway activation
Trogdon M, Abbott K, Arang N, Lande K, Kaur N, Tong M, Bakhoum M, Gutkind J, Stites E. Systems modeling of oncogenic G-protein and GPCR signaling reveals unexpected differences in downstream pathway activation. Npj Systems Biology And Applications 2024, 10: 75. PMID: 39013872, PMCID: PMC11252164, DOI: 10.1038/s41540-024-00400-1.Peer-Reviewed Original ResearchMeSH KeywordsGTP-Binding ProteinsHumansMelanomaModels, BiologicalMutationReceptors, G-Protein-CoupledSignal TransductionSystems BiologyUveal NeoplasmsConceptsSignaling networksMathematical models of biochemical reaction networksModels of biochemical reaction networksG-proteinCell signaling networksDisease-causing mutationsComputational systems biologyBiochemical reaction networksDownstream pathway activationSignaling phenotypeSystems biologyBioinformatics analysisGPCR signalingMutationsCo-occurring mutationsOncogenic mutationsPathway activationDiscovery toolPathwayReaction networkSignalCYSLTR2 mutationsDiscoveryPhenotypeMutually-exclusive
2019
Modeling cell line-specific recruitment of signaling proteins to the insulin-like growth factor 1 receptor
Erickson KE, Rukhlenko OS, Shahinuzzaman M, Slavkova KP, Lin YT, Suderman R, Stites EC, Anghel M, Posner RG, Barua D, Kholodenko BN, Hlavacek WS. Modeling cell line-specific recruitment of signaling proteins to the insulin-like growth factor 1 receptor. PLOS Computational Biology 2019, 15: e1006706. PMID: 30653502, PMCID: PMC6353226, DOI: 10.1371/journal.pcbi.1006706.Peer-Reviewed Original ResearchConceptsReceptor tyrosine kinasesSrc homology 2Autophosphorylation sitesInsulin-like growth factor 1 receptorGrowth factor 1 receptorFactor 1 receptorPTB domain-containing proteinsCopy numberDomain-containing proteinsPhosphotyrosine-binding (PTB) domainProtein copy numbersMultiple autophosphorylation sitesProtein abundance profilesMultiple signaling proteinsShort linear motifsOutcome of competitionCell line-specific modelsHomology 2Cytoplasmic domainSignaling proteinsLinear motifsTyrosine kinaseEffects of competitionRule-based modeling approachRelative abundance
2018
Proceedings of the fifth international RASopathies symposium: When development and cancer intersect
Rauen K, Schoyer L, Schill L, Stronach B, Albeck J, Andresen B, Cavé H, Ellis M, Fruchtman S, Gelb B, Gibson C, Gripp K, Hefner E, Huang W, Itkin M, Kerr B, Linardic C, McMahon M, Oberlander B, Perlstein E, Ratner N, Rogers L, Schenck A, Shankar S, Shvartsman S, Stevenson D, Stites E, Stork P, Sun C, Therrien M, Ullian E, Widemann B, Yeh E, Zampino G, Zenker M, Timmer W, McCormick F. Proceedings of the fifth international RASopathies symposium: When development and cancer intersect. American Journal Of Medical Genetics Part A 2018, 176: 2924-2929. PMID: 30302932, PMCID: PMC6312476, DOI: 10.1002/ajmg.a.40632.Peer-Reviewed Original ResearchConceptsGerm line mutationsPredisposition to cancerSomatic malignancyOcular abnormalitiesCraniofacial dysmorphologyMalformation syndromePathogenetic etiologyRas/mitogen-activated protein kinasePathogenetic mechanismsEffects of dysregulationSomatic cancersOncogenic pathwaysCancerPhenotypic featuresRASopathiesMAPK pathwayRas pathwayNormal functionEncode componentsProtein kinaseNeurocognitive issuesExcellent modelPathwayMalignancy
2015
Use of Mechanistic Models to Integrate and Analyze Multiple Proteomic Datasets
Stites E, Aziz M, Creamer M, Von Hoff D, Posner R, Hlavacek W. Use of Mechanistic Models to Integrate and Analyze Multiple Proteomic Datasets. Biophysical Journal 2015, 108: 1819-1829. PMID: 25863072, PMCID: PMC4390817, DOI: 10.1016/j.bpj.2015.02.030.Peer-Reviewed Original ResearchConceptsEpidermal growth factor receptorExperimentally detected interactionsPhosphotyrosine-binding domainSrc homology 2Recruitment of proteinsCell line-specific modelsProtein copy numbersProtein-protein interactionsCell signaling networksEpidermal growth factor receptor signalingCell linesWell-characterized roleCell line-specific differencesLow-affinity interactionsLine-specific differencesActivation of EGFR signalingMultiple cell linesLigand-stimulated activationAutophosphorylation sitesSignaling networksProteomic datasetsCopy numberHomolog 2EGFR signalingMap interactions
2013
Chemical kinetic mechanistic models to investigate cancer biology and impact cancer medicine
Stites E. Chemical kinetic mechanistic models to investigate cancer biology and impact cancer medicine. Physical Biology 2013, 10: 026004. PMID: 23406820, DOI: 10.1088/1478-3975/10/2/026004.Peer-Reviewed Original ResearchMeSH KeywordsComputer SimulationHumansModels, BiologicalMutationNeoplasmsSignal TransductionSystems BiologyConceptsBiochemical networksCancer biologyInvestigate cancer biologyDisrupt cellular processesAcquisition of mutationsCellular processesClinical management of cancer patientsMutated genesCancer medicineMolecular biologyExperimental biologyFeatures of cancerBiologyMutationsMechanistic modelExperimental approachGenesMolecular reactionsPace of progressKinetic mechanistic modelsCancerManagement of cancer patients
2012
The Response of Cancers to BRAF Inhibition Underscores the Importance of Cancer Systems Biology
Stites E. The Response of Cancers to BRAF Inhibition Underscores the Importance of Cancer Systems Biology. Science Signaling 2012, 5: pe46. PMID: 23074264, DOI: 10.1126/scisignal.2003354.Peer-Reviewed Original ResearchConceptsEpidermal growth factor receptorBRAF(V600E) mutationAmount of epidermal growth factor receptorEpidermal growth factor receptor inhibitorsBRAF inhibitor vemurafenibColon cancer patientsGrowth factor receptorCancer systems biologyFunctional genomics approachDecreased negative feedbackMelanoma patientsClinical responseBRAF inhibitionInhibitor vemurafenibTreatment optionsColon cancerClinical evaluationFactor receptorCancer patientsCombined treatmentBRAF(V600EVemurafenibGenomic approachesSystems biologyCancerSpecification, annotation, visualization and simulation of a large rule-based model for ERBB receptor signaling
Creamer M, Stites E, Aziz M, Cahill J, Tan C, Berens M, Han H, Bussey K, Von Hoff D, Hlavacek W, Posner R. Specification, annotation, visualization and simulation of a large rule-based model for ERBB receptor signaling. BMC Systems Biology 2012, 6: 107. PMID: 22913808, PMCID: PMC3485121, DOI: 10.1186/1752-0509-6-107.Peer-Reviewed Original ResearchMeSH KeywordsComputational BiologyComputer GraphicsModels, BiologicalReceptor Protein-Tyrosine KinasesSignal TransductionConceptsCell signaling networksSignaling networksErbB receptor signalingRule-based modeling approachSignaling proteinsPost-translational modification stateSites of post-translational modificationsNetwork-free simulationCellular signaling networksProtein-protein interactionsPost-translational modificationsReceptor signalingSite of modificationActivation of ERKModification statesProtein complexesProtein interactionsContact mapsCellular signalingTyrosine residuesIndividual serinesDevelopment of softwareProteinRule-based modelKinetics of molecular interactions
2010
Modeling Membrane Localization: Case Study of a Ras Signaling Model
Stites E. Modeling Membrane Localization: Case Study of a Ras Signaling Model. Advances In Experimental Medicine And Biology 2010, 680: 661-667. PMID: 20865552, DOI: 10.1007/978-1-4419-5913-3_73.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell MembraneComputational BiologyHumansMembrane ProteinsModels, BiologicalMutant ProteinsRas ProteinsSignal TransductionTransfection
2009
A Systems Perspective of Ras Signaling in Cancer
Stites E, Ravichandran K. A Systems Perspective of Ras Signaling in Cancer. Clinical Cancer Research 2009, 15: 1510-1513. PMID: 19208795, DOI: 10.1158/1078-0432.ccr-08-2753.Peer-Reviewed Original Research
2007
Network Analysis of Oncogenic Ras Activation in Cancer
Stites E, Trampont P, Ma Z, Ravichandran K. Network Analysis of Oncogenic Ras Activation in Cancer. Science 2007, 318: 463-467. PMID: 17947584, DOI: 10.1126/science.1144642.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic AgentsCell LineCell Line, TumorCell Transformation, NeoplasticComputer SimulationExtracellular Signal-Regulated MAP KinasesGenes, rasGTP PhosphohydrolasesGTPase-Activating ProteinsGuanosine DiphosphateGuanosine TriphosphateHumansMathematicsMetabolic Networks and PathwaysModels, BiologicalNeoplasmsPhosphorylationPoint MutationRas ProteinsSignal Transduction