Featured Publications
PLCγ1 promotes phase separation of T cell signaling components
Zeng L, Palaia I, Šarić A, Su X. PLCγ1 promotes phase separation of T cell signaling components. Journal Of Cell Biology 2021, 220: e202009154. PMID: 33929486, PMCID: PMC8094118, DOI: 10.1083/jcb.202009154.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCattleHumansJurkat CellsLymphocyte ActivationPhospholipase C gammaPhosphorylationProtein BindingReceptors, Antigen, T-CellT-LymphocytesConceptsTCR signal transductionT-cell receptor pathwayLiquid-like condensatesKey adaptor proteinLAT clusteringLAT complexSH2 domainAdaptor proteinPhosphatase CD45Signal transductionTCR pathwayPhospholipase Cγ1ERK activationProtein compositionBiophysical principlesPLCγ1Critical functionsReceptor pathwayPathwayLATMajor componentT cellsCellsActivationDephosphorylation
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
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 role
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