2024
Distinct functional constraints driving conservation of the cofilin N-terminal regulatory tail
Sexton J, Potchernikov T, Bibeau J, Casanova-Sepúlveda G, Cao W, Lou H, Boggon T, De La Cruz E, Turk B. Distinct functional constraints driving conservation of the cofilin N-terminal regulatory tail. Nature Communications 2024, 15: 1426. PMID: 38365893, PMCID: PMC10873347, DOI: 10.1038/s41467-024-45878-9.Peer-Reviewed Original ResearchConceptsN-terminal regionActin bindingSequence requirementsLIM kinaseAnalysis of individual variantsInactivates cofilinS. cerevisiaeRegulatory tailFamily proteinsActin depolymerizationPhosphorylation sitesKinase recognitionSequence variantsInhibitory phosphorylationCofilinN-terminusIndividual variantsFunctional constraintsActinDisordered sequencesPhosphorylationSequenceBiochemical analysisSequence constraintsKinase
2023
Mutation of key signaling regulators of cerebrovascular development in vein of Galen malformations
Zhao S, Mekbib K, van der Ent M, Allington G, Prendergast A, Chau J, Smith H, Shohfi J, Ocken J, Duran D, Furey C, Hao L, Duy P, Reeves B, Zhang J, Nelson-Williams C, Chen D, Li B, Nottoli T, Bai S, Rolle M, Zeng X, Dong W, Fu P, Wang Y, Mane S, Piwowarczyk P, Fehnel K, See A, Iskandar B, Aagaard-Kienitz B, Moyer Q, Dennis E, Kiziltug E, Kundishora A, DeSpenza T, Greenberg A, Kidanemariam S, Hale A, Johnston J, Jackson E, Storm P, Lang S, Butler W, Carter B, Chapman P, Stapleton C, Patel A, Rodesch G, Smajda S, Berenstein A, Barak T, Erson-Omay E, Zhao H, Moreno-De-Luca A, Proctor M, Smith E, Orbach D, Alper S, Nicoli S, Boggon T, Lifton R, Gunel M, King P, Jin S, Kahle K. Mutation of key signaling regulators of cerebrovascular development in vein of Galen malformations. Nature Communications 2023, 14: 7452. PMID: 37978175, PMCID: PMC10656524, DOI: 10.1038/s41467-023-43062-z.Peer-Reviewed Original ResearchConceptsEphrin receptor B4Galen malformationBrain arteriovenous malformationsP120 RasGAPTransmitted variantsArteriovenous malformationsDe novo variantsSingle-cell transcriptomesSignificant burdenCerebrovascular developmentIntegrative genomic analysisEndothelial cellsVenous networkAdditional probandsMalformationsNovo variantsMissense variantsGenomic analysisDevelopmental angiogenesisVascular developmentDamaging variantsVeinRasGAPIntegrated analysisPatientsDiverse p120RasGAP interactions with doubly phosphorylated partners EphB4, p190RhoGAP, and Dok1
Vish K, Stiegler A, Boggon T. Diverse p120RasGAP interactions with doubly phosphorylated partners EphB4, p190RhoGAP, and Dok1. Journal Of Biological Chemistry 2023, 299: 105098. PMID: 37507023, PMCID: PMC10470053, DOI: 10.1016/j.jbc.2023.105098.Peer-Reviewed Original ResearchConceptsSH2 domainSpatial-temporal regulationDual SH2 domainsProper vascular developmentKey binding partnerProtein familySH2 interactionsBinding partnerHuman proteinsDistinct binding interactionsWeakened affinityVascular developmentRasGAPConformational differencesP190RhoGAPSmall-angle X-ray scatteringBindingBinding interactionsAffinity measurementsEphB4DomainGTPaseDok1X-ray scatteringProteinDe novo variants implicate chromatin modification, transcriptional regulation, and retinoic acid signaling in syndromic craniosynostosis
Timberlake A, McGee S, Allington G, Kiziltug E, Wolfe E, Stiegler A, Boggon T, Sanyoura M, Morrow M, Wenger T, Fernandes E, Caluseriu O, Persing J, Jin S, Lifton R, Kahle K, Kruszka P. De novo variants implicate chromatin modification, transcriptional regulation, and retinoic acid signaling in syndromic craniosynostosis. American Journal Of Human Genetics 2023, 110: 846-862. PMID: 37086723, PMCID: PMC10183468, DOI: 10.1016/j.ajhg.2023.03.017.Peer-Reviewed Original ResearchConceptsDamaging de novo variantsChromatin modificationsDe novo variantsCranial neural crest cellsGenome-wide significanceNeural crest cellsNovo variantsRetinoic acid receptor alphaExome sequence dataAcid receptor alphaTranscriptional regulationProband-parent triosGene transcriptionSequence dataCrest cellsOsteoblast differentiationCS phenotypeMendelian formsRecurrent gainsGenesRisk genesGenetic etiologyRetinoic acidReceptor alphaNeurodevelopmental disorders
2021
Integrated genomic analyses of cutaneous T-cell lymphomas reveal the molecular bases for disease heterogeneity
Park J, Daniels J, Wartewig T, Ringbloom KG, Martinez-Escala ME, Choi S, Thomas JJ, Doukas PG, Yang J, Snowden C, Law C, Lee Y, Lee K, Zhang Y, Conran C, Tegtmeyer K, Mo SH, Pease DR, Jothishankar B, Kwok PY, Abdulla FR, Pro B, Louissaint A, Boggon T, Sosman J, Guitart J, Rao D, Ruland J, Choi J. Integrated genomic analyses of cutaneous T-cell lymphomas reveal the molecular bases for disease heterogeneity. Blood 2021, 138: 1225-1236. PMID: 34115827, PMCID: PMC8499046, DOI: 10.1182/blood.2020009655.Peer-Reviewed Original ResearchConceptsPutative driver genesDriver genesCutaneous T-cell lymphomaDisease phenotypePutative tumor suppressorT-cell lymphomaMycosis fungoidesDiverse disease phenotypesPutative genetic causesSezary syndromeDNA/RNA sequencingGenomic analysisRNA sequencingMolecular basisTumor suppressorDisease stageStructural variantsGenetic relationshipsTranscriptional signatureGenesDisease heterogeneityFunctional assaysNovel insightsSkin-homing T cellsLeukemic disease
2019
Mutations in TFAP2B and previously unimplicated genes of the BMP, Wnt, and Hedgehog pathways in syndromic craniosynostosis
Timberlake AT, Jin SC, Nelson-Williams C, Wu R, Furey CG, Islam B, Haider S, Loring E, Galm A, Steinbacher D, Larysz D, Staffenberg D, Flores R, Rodriguez E, Boggon T, Persing J, Lifton R, Lifton RP, Gunel M, Mane S, Bilguvar K, Gerstein M, Loring E, Nelson-Williams C, Lopez F, Knight J. Mutations in TFAP2B and previously unimplicated genes of the BMP, Wnt, and Hedgehog pathways in syndromic craniosynostosis. Proceedings Of The National Academy Of Sciences Of The United States Of America 2019, 116: 15116-15121. PMID: 31292255, PMCID: PMC6660739, DOI: 10.1073/pnas.1902041116.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAlpha CateninChildChild, PreschoolCraniosynostosesExomeExome SequencingFemaleGene ExpressionGlypicansHistone AcetyltransferasesHumansMaleMutationNuclear ProteinsPedigreeRisk AssessmentSignal TransductionSkullSOXC Transcription FactorsTranscription Factor AP-2Zinc Finger Protein Gli2ConceptsRare damaging mutationsSyndromic craniosynostosisCongenital anomaliesDamaging mutationsSyndromic casesExome sequencingAdditional congenital anomaliesFrequent congenital anomaliesDamaging de novo mutationsNeural crest cell migrationDamaging de novoCrest cell migrationCS patientsMutation burdenChromatin modifiersSubsequent childrenTranscription factorsDe novo mutationsCS casesCS geneHedgehog pathwayDisease locusPremature fusionFunction mutationsCraniosynostosis
2016
Targeting 6-phosphogluconate dehydrogenase in the oxidative PPP sensitizes leukemia cells to antimalarial agent dihydroartemisinin
Elf S, Lin R, Xia S, Pan Y, Shan C, Wu S, Lonial S, Gaddh M, Arellano M, Khoury H, Khuri F, Lee B, Boggon T, Fan J, Chen J. Targeting 6-phosphogluconate dehydrogenase in the oxidative PPP sensitizes leukemia cells to antimalarial agent dihydroartemisinin. Oncogene 2016, 36: 254-262. PMID: 27270429, PMCID: PMC5464402, DOI: 10.1038/onc.2016.196.Peer-Reviewed Original ResearchConceptsLeukemia cellsTumor growthAntimalarial drugsNon-immune hemolytic anemiaCombined treatmentHealthy human donorsLeukemia cell viabilityXenograft nude micePrimary leukemia cellsNormal hematopoietic cellsCell viabilityHuman K562 leukemia cellsCancer cell metabolismRed blood cellsCombined therapyHemolytic anemiaAntileukemia treatmentClinical observationsNude miceHuman patientsHuman donorsAnticancer effectsK562 leukemia cellsMinimal toxicityDihydroartemisinin
2015
AIP1 Expression in Tumor Niche Suppresses Tumor Progression and Metastasis
Ji W, Li Y, He Y, Yin M, Zhou HJ, Boggon TJ, Zhang H, Min W. AIP1 Expression in Tumor Niche Suppresses Tumor Progression and Metastasis. Cancer Research 2015, 75: 3492-3504. PMID: 26139244, PMCID: PMC4558200, DOI: 10.1158/0008-5472.can-15-0088.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAnimalsBreast NeoplasmsCarrier ProteinsCell Line, TumorEpithelial-Mesenchymal TransitionGene Expression Regulation, NeoplasticGuanylate KinasesHumansMelanoma, ExperimentalMiceNeoplasm MetastasisNeovascularization, PathologicProtein Kinase InhibitorsSignal TransductionTumor MicroenvironmentVascular Endothelial Growth Factor Receptor-2ConceptsEpithelial-mesenchymal transitionPremetastatic niche formationTumor growthAugments tumor growthBreast cancer modelSuppresses tumor progressionVascular endothelial cellsNiche formationSystemic administrationCancer modelVEGFR2 kinase inhibitorTumor neovascularizationTumor progressionTumor angiogenesisTumor microenvironmentTumor cellsEndothelial cellsMetastasisKinase inhibitorsTumor nicheVascular ECsSpecific deletionVascular environmentEMT switchAIP1 gene
2008
Disruption of the EGFR E884–R958 ion pair conserved in the human kinome differentially alters signaling and inhibitor sensitivity
Tang Z, Jiang S, Du R, Petri E, El-Telbany A, Chan P, Kijima T, Dietrich S, Matsui K, Kobayashi M, Sasada S, Okamoto N, Suzuki H, Kawahara K, Iwasaki T, Nakagawa K, Kawase I, Christensen J, Hirashima T, Halmos B, Salgia R, Boggon T, Kern J, Ma P. Disruption of the EGFR E884–R958 ion pair conserved in the human kinome differentially alters signaling and inhibitor sensitivity. Oncogene 2008, 28: 518-533. PMID: 19015641, PMCID: PMC2633425, DOI: 10.1038/onc.2008.411.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SubstitutionAMP-Activated Protein Kinase KinasesAnimalsChlorocebus aethiopsCOS CellsErbB ReceptorsErlotinib HydrochlorideFocal Adhesion Kinase 1HumansIndolesLung NeoplasmsMAP Kinase Signaling SystemMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3Mutation, MissensePiperazinesProtein ConformationProtein Kinase InhibitorsProtein Serine-Threonine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-kitProto-Oncogene Proteins c-metProto-Oncogene Proteins c-retQuinazolinesReceptors, Growth FactorSulfonamidesConceptsHuman kinomeEpidermal growth factor receptorKinase substrate recognitionInhibitor sensitivityCancer-associated mutationsSystematic bioinformatics analysisTumor suppressor geneSmall molecule inhibitorsSubstrate recognitionProtein kinaseGrowth factor receptorBioinformatics analysisHomologous residuesDownstream signalingSequence analysisLysine residuesKinomeC-lobeConformational changesFamily inhibitorsMutation cataloguesAdjacent residuesMET inhibitor SU11274Factor receptorMutations
2001
G-Protein Signaling Through Tubby Proteins
Santagata S, Boggon T, Baird C, Gomez C, Zhao J, Shan W, Myszka D, Shapiro L. G-Protein Signaling Through Tubby Proteins. Science 2001, 292: 2041-2050. PMID: 11375483, DOI: 10.1126/science.1061233.Peer-Reviewed Original ResearchMeSH KeywordsActive Transport, Cell NucleusAdaptor Proteins, Signal TransducingAmino Acid SequenceAnimalsCell MembraneCell NucleusCells, CulturedCrystallography, X-RayGene Expression RegulationGTP-Binding Protein alpha Subunits, Gq-G11Heterotrimeric GTP-Binding ProteinsHumansIntercellular Signaling Peptides and ProteinsIntracellular Signaling Peptides and ProteinsIsoenzymesMembrane LipidsMiceModels, BiologicalMolecular Sequence DataNuclear Localization SignalsObesityPhosphatidylinositol 4,5-DiphosphatePhosphatidylinositol PhosphatesPhospholipase C betaPhosphorylationProtein Structure, TertiaryProteinsReceptor, Serotonin, 5-HT2CReceptors, MuscarinicReceptors, SerotoninRecombinant Fusion ProteinsSignal TransductionTranscription FactorsType C PhospholipasesConceptsTubby-like protein 3G protein signalingTubby proteinTubby domainTranscription regulatorsPlasma membranePhospholipase C-betaReceptor-mediated activationHeterotrimeric GTPSignal transductionGene expressionMolecular mechanismsTubbyC betaCarboxyl terminalCell nucleiMaturity-onset obesityProteinX-ray crystallographyProtein 3SignalingRegulatorMembranePhosphatidylinositolTransduction
1999
Implication of Tubby Proteins as Transcription Factors by Structure-Based Functional Analysis
Boggon T, Shan W, Santagata S, Myers S, Shapiro L. Implication of Tubby Proteins as Transcription Factors by Structure-Based Functional Analysis. Science 1999, 286: 2119-2125. PMID: 10591637, DOI: 10.1126/science.286.5447.2119.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAlternative SplicingAmino Acid SequenceAnimalsCell LineCell NucleusCrystallography, X-RayDNAEye ProteinsHumansIntercellular Signaling Peptides and ProteinsIntracellular Signaling Peptides and ProteinsModels, MolecularMolecular Sequence DataProtein ConformationProtein Structure, SecondaryProtein Structure, TertiaryProteinsRecombinant ProteinsSequence AlignmentTranscription FactorsTranscriptional ActivationConceptsTubby-like proteinsTubby proteinTranscription factorsBipartite transcription factorDisease phenotypeMulticellular organismsProtein familyBiochemical functionsBiological functionsFunctional analysisStructural cluesCore domainUnique familyProteinGenetic mutationsTubbyPhenotypeRetinal degenerationFamilyMammalsOrganismsVital roleCrystal structureMutationsBroad range