Featured Publications
Rewired signaling network in T cells expressing the chimeric antigen receptor (CAR)
Dong R, Libby KA, Blaeschke F, Fuchs W, Marson A, Vale RD, Su X. Rewired signaling network in T cells expressing the chimeric antigen receptor (CAR). The EMBO Journal 2020, 39: embj2020104730. PMID: 32643825, PMCID: PMC7429742, DOI: 10.15252/embj.2020104730.Peer-Reviewed Original ResearchMeSH KeywordsHEK293 CellsHumansImmunological SynapsesInterleukin-2Jurkat CellsReceptors, Chimeric AntigenSignal TransductionT-LymphocytesConceptsCentral supramolecular activation clusterEssential scaffold proteinT cell receptorSupramolecular activation clusterImmunological synapse formationAntigen receptorActin remodelingScaffold proteinMicrocluster formationDownstream signalingTCR signalingT cell activationSynapse formationCancer cellsSpecific cancer cellsCell receptorSignalingCAR activationT cellsCell activationCellsCAR-T cell activationNative T cellsPathwayActivation clusters
2022
SILAC Phosphoproteomics Reveals Unique Signaling Circuits in CAR‑T Cells and the Inhibition of B Cell-Activating Phosphorylation in Target Cells
Griffith AA, Callahan KP, King NG, Xiao Q, Su X, Salomon AR. SILAC Phosphoproteomics Reveals Unique Signaling Circuits in CAR‑T Cells and the Inhibition of B Cell-Activating Phosphorylation in Target Cells. Journal Of Proteome Research 2022, 21: 395-409. PMID: 35014847, PMCID: PMC8830406, DOI: 10.1021/acs.jproteome.1c00735.Peer-Reviewed Original ResearchMeSH KeywordsChromatography, LiquidPhosphorylationReceptors, Antigen, T-CellSignal TransductionTandem Mass SpectrometryT-LymphocytesConceptsCD19 CAR T cellsChimeric antigen receptorRaji B cellsT cellsB cellsCAR T cell activityT cell activityB-cell malignanciesT cell receptor signalingCAR T cell signalingCell receptor signalingCD19-CARCell malignanciesT cell signalingCell activityReceptor signalingAntigen receptorLiquid chromatography-tandem mass spectrometryTarget cellsSignificant decreaseChromatography-tandem mass spectrometryTCR signalingReceptorsResponse of cellsCells
2021
Phase separation in immune signalling
Xiao Q, McAtee CK, Su X. Phase separation in immune signalling. Nature Reviews Immunology 2021, 22: 188-199. PMID: 34230650, PMCID: PMC9674404, DOI: 10.1038/s41577-021-00572-5.Peer-Reviewed Original ResearchConceptsGene I proteinImmune Signaling PathwaysCyclic GMP-AMP synthaseSubstantial conformational changesNew biophysical principleGMP-AMP synthaseCell receptorB cell receptorCytosolic eventsSignal transductionImmune signalingSignaling pathwaysI proteinConformational changesLigand engagementDownstream adaptorsInterferon genesImmune receptorsBiophysical principlesLiquid-liquid phase separationFunctional consequencesT cell receptorPathogenic stimuliSpatial reorganizationOutstanding questions
2020
Surfing on Membrane Waves: Microvilli, Curved Membranes, and Immune Signaling
Orbach R, Su X. Surfing on Membrane Waves: Microvilli, Curved Membranes, and Immune Signaling. Frontiers In Immunology 2020, 11: 2187. PMID: 33013920, PMCID: PMC7516127, DOI: 10.3389/fimmu.2020.02187.Peer-Reviewed Original ResearchMeSH KeywordsActin CytoskeletonAnimalsCarrier ProteinsCell LineCell MembraneCell ShapeCyclodextrinsCytokinesGlycocalyxHumansLymphocyte ActivationMembrane LipidsMembrane ProteinsMiceMicrofilament ProteinsMicroscopy, Electron, ScanningMicrovilliReceptors, Antigen, T-CellSignal TransductionStress, MechanicalSurface PropertiesSynaptosomesT-LymphocytesConceptsFunctional consequencesFinger-like membrane protrusionsT cell signalingSuper-resolution microscopyLocal membrane curvatureActin cytoskeletonMembrane protrusionsSignal transductionCell signalingMembrane curvatureCurved membranesImmune signalingBiochemical activityUnique compartmentLymphocyte microvilliMicrovillus formationCell typesLocal membraneCytoskeletonSignalingMicrovilliMembraneBody of evidenceMembrane wavesImportant roleImaging Chimeric Antigen Receptor (CAR) Activation
Libby KA, Su X. Imaging Chimeric Antigen Receptor (CAR) Activation. Methods In Molecular Biology 2020, 2111: 153-160. PMID: 31933206, DOI: 10.1007/978-1-0716-0266-9_13.Peer-Reviewed Original Research
2019
A composition-dependent molecular clutch between T cell signaling condensates and actin
Ditlev JA, Vega AR, Köster DV, Su X, Tani T, Lakoduk AM, Vale RD, Mayor S, Jaqaman K, Rosen MK. A composition-dependent molecular clutch between T cell signaling condensates and actin. ELife 2019, 8: e42695. PMID: 31268421, PMCID: PMC6624021, DOI: 10.7554/elife.42695.Peer-Reviewed Original Research
2016
Phase separation of signaling molecules promotes T cell receptor signal transduction
Su X, Ditlev JA, Hui E, Xing W, Banjade S, Okrut J, King DS, Taunton J, Rosen MK, Vale RD. Phase separation of signaling molecules promotes T cell receptor signal transduction. Science 2016, 352: 595-599. PMID: 27056844, PMCID: PMC4892427, DOI: 10.1126/science.aad9964.Peer-Reviewed Original ResearchConceptsT cell receptor (TCR) signal transductionHuman Jurkat T cellsActin filament assemblySubmicrometer-sized clustersReceptor signal transductionT cell receptor activationProtein phase separationJurkat T cellsCell receptor activationCell surface receptorsTCR phosphorylationActin regulatorsActin assemblySignal transductionFilament assemblyBiochemical compartmentsFunctional consequencesSurface receptorsModel membranesReceptor activationAssemblyActivationTransductionKinasePhosphorylation