2024
A complex of the lipid transport ER proteins TMEM24 and C2CD2 with band 4.1 at cell–cell contacts
Johnson B, Iuliano M, Lam T, Biederer T, De Camilli P. A complex of the lipid transport ER proteins TMEM24 and C2CD2 with band 4.1 at cell–cell contacts. Journal Of Cell Biology 2024, 223: e202311137. PMID: 39158698, PMCID: PMC11334333, DOI: 10.1083/jcb.202311137.Peer-Reviewed Original ResearchConceptsPlasma membraneNon-vesicular lipid transferSites of cell contactC-terminus motifsCell contact-dependent signalsContact-dependent signalingCell-cell contactER/PM junctionsTMEM24ER proteinsPM proteinsSynCAM 1Cell adhesion moleculesCellular functionsLipid transferC2CD2Phospholipid transportLipid transportCell contactProteinAdhesion moleculesCalcium homeostasisCellsFamily membersParalogs
2021
Subsynaptic positioning of AMPARs by LRRTM2 controls synaptic strength
Ramsey AM, Tang AH, LeGates TA, Gou XZ, Carbone BE, Thompson SM, Biederer T, Blanpied TA. Subsynaptic positioning of AMPARs by LRRTM2 controls synaptic strength. Science Advances 2021, 7: eabf3126. PMID: 34417170, PMCID: PMC8378824, DOI: 10.1126/sciadv.abf3126.Peer-Reviewed Original ResearchAMPA receptorsSynaptic strengthAdhesion moleculesPostsynaptic receptor activationTranscellular interactionsGlutamate releasePresynaptic sitesGlutamate receptorsReceptor numberSubsynaptic distributionReceptor activationSynaptic functionAMPAR numberSignificant deficitsRecent evidenceReceptorsSynapsesRapid remodelingExtracellular domainLRRTM2
2015
Key Molecules: SynCAM Proteins☆
Biederer T, Shrestha N. Key Molecules: SynCAM Proteins☆. 2015 DOI: 10.1016/b978-0-12-801238-3.04784-x.Peer-Reviewed Original ResearchSynaptic cell adhesion moleculesPostsynaptic neurotransmitter receptorsPresynaptic release machineryCell adhesion moleculeAdhesion proteinsPost-synaptic specializationsInstructive signalsContact sitesSynaptic contact sitesRelease machinerySynapse inductionCentral nervous systemAdhesion moleculesNeurotransmitter receptorsProteinSynaptic specializationsNervous systemAsymmetric sitesSpecializationMachinerySitesConcomitant formationAssemblyInductionFamily
2014
Structural organization and function of mouse photoreceptor ribbon synapses involve the immunoglobulin protein synaptic cell adhesion molecule 1
Ribic A, Liu X, Crair MC, Biederer T. Structural organization and function of mouse photoreceptor ribbon synapses involve the immunoglobulin protein synaptic cell adhesion molecule 1. The Journal Of Comparative Neurology 2014, 522: 900-920. PMID: 23982969, PMCID: PMC3947154, DOI: 10.1002/cne.23452.Peer-Reviewed Original ResearchMeSH KeywordsAlcohol OxidoreductasesAnalysis of VarianceAnimalsAnimals, NewbornCell Adhesion Molecule-1Cell Adhesion MoleculesCo-Repressor ProteinsDNA-Binding ProteinsElectroretinographyFemaleGene Expression Regulation, DevelopmentalImmunoglobulinsMaleMiceMice, Inbred C57BLMice, KnockoutMicroscopy, ImmunoelectronNerve Tissue ProteinsPhosphoproteinsReceptors, Metabotropic GlutamateRetinaRetinal Rod Photoreceptor CellsSynapsesVesicular Glutamate Transport Protein 1ConceptsCell adhesion molecule-1Adhesion molecule-1Ribbon synapsesKO retinasSynaptic cell adhesion molecule 1Molecule-1Mouse photoreceptor ribbon synapsesInner retinal layersPhotoreceptor ribbon synapsesRod visual pathwayEarly postnatal stagesPlexiform layerKO micePhotoreceptor synapsesSynaptic organizationExcitatory synapsesQuantitative ultrastructural analysisRetinal layersKnockout miceOuter nuclearVisual pathwaySynapse developmentElectroretinogram recordingsPostnatal stagesAdhesion molecules
2011
Lateral assembly of the immunoglobulin protein SynCAM 1 controls its adhesive function and instructs synapse formation
Fogel AI, Stagi M, Perez de Arce K, Biederer T. Lateral assembly of the immunoglobulin protein SynCAM 1 controls its adhesive function and instructs synapse formation. The EMBO Journal 2011, 30: 4728-4738. PMID: 21926970, PMCID: PMC3243608, DOI: 10.1038/emboj.2011.336.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell AdhesionCell Adhesion Molecule-1Cell Adhesion MoleculesCell Adhesion Molecules, NeuronalCell DifferentiationCells, CulturedChlorocebus aethiopsCoculture TechniquesCOS CellsFluorescence Resonance Energy TransferHEK293 CellsHippocampusHumansImmunoglobulinsImmunohistochemistryMiceNeuritesProtein Structure, QuaternarySynapsesConceptsSynCAM 1Specialized adhesion sitesSynapse formationTrans-synaptic interactionsSynaptic cleftCI assemblyProtein complexesSynaptic cell adhesion molecule SynCAM 1Adhesion sitesSynaptogenic activityAdhesive functionSynapse developmentStructural organizationNovel insightsSynapse inductionLateral assemblyAdhesive capacityAdhesion moleculesSynaptic morphologyAdhesive mechanismsOligomerizationAssemblyAxo-dendritic contactsCleftLater stages
2010
SynCAM 1 Adhesion Dynamically Regulates Synapse Number and Impacts Plasticity and Learning
Robbins EM, Krupp AJ, de Arce K, Ghosh AK, Fogel AI, Boucard A, Südhof TC, Stein V, Biederer T. SynCAM 1 Adhesion Dynamically Regulates Synapse Number and Impacts Plasticity and Learning. Neuron 2010, 68: 894-906. PMID: 21145003, PMCID: PMC3026433, DOI: 10.1016/j.neuron.2010.11.003.Peer-Reviewed Original ResearchConceptsSynapse numberSynCAM 1Excitatory synapse numberLong-term depressionActivity-dependent changesTransgenic brainsExcitatory synapsesMature synapsesTransgenic miceNeuronal connectivityNeuronal circuitsSynapse developmentSpatial learningAdhesion moleculesNeuronal networksSynapsesAdult networksMiceBrainOverexpressionPlasticityExpressionSynaptogenesisN-Glycosylation at the SynCAM (Synaptic Cell Adhesion Molecule) Immunoglobulin Interface Modulates Synaptic Adhesion*
Fogel AI, Li Y, Giza J, Wang Q, Lam TT, Modis Y, Biederer T. N-Glycosylation at the SynCAM (Synaptic Cell Adhesion Molecule) Immunoglobulin Interface Modulates Synaptic Adhesion*. Journal Of Biological Chemistry 2010, 285: 34864-34874. PMID: 20739279, PMCID: PMC2966101, DOI: 10.1074/jbc.m110.120865.Peer-Reviewed Original ResearchConceptsN-glycosylationTrans-synaptic interactionsN-glycansSite-specific N-glycansSynaptic cell adhesion molecule 1Site-specific N-glycosylationTrans-synaptic adhesionPost-translational modificationsSelect adhesion moleculesMutational studiesSynaptic adhesionGlycosylation sitesHeterophilic interactionsIg1 domainSynapse inductionPostsynaptic membraneAdhesion moleculesNeurobiological questionsSynaptic cleftStructural modelingPresynaptic terminalsDifferential mannerSialic acidCell adhesion molecule-1Adhesion
2009
SynCAMs
Fogel A, Biederer T. SynCAMs. 2009, 823-828. DOI: 10.1016/b978-008045046-9.01352-8.Peer-Reviewed Original ResearchSynaptic cell adhesion molecule 1Nectin-like molecule-2Functional presynaptic terminalsVertebrate phylumProtein interactionsPlasma membraneAdhesive cuesExpression patternsCentral nervous systemFunctional roleSynaptic plasma membranesProteinCADM-1Adhesion moleculesPresynaptic terminalsCell adhesion molecule-1CofractionatesInvertebratesSuch cuesPhylaMolecule 2Recent progressAdhesion molecule-1Nervous systemSynCAM
2007
SynCAMs Organize Synapses through Heterophilic Adhesion
Fogel AI, Akins MR, Krupp AJ, Stagi M, Stein V, Biederer T. SynCAMs Organize Synapses through Heterophilic Adhesion. Journal Of Neuroscience 2007, 27: 12516-12530. PMID: 18003830, PMCID: PMC6673342, DOI: 10.1523/jneurosci.2739-07.2007.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell AdhesionCell Adhesion MoleculesCell Adhesion Molecules, NeuronalCell DifferentiationCell LineCells, CulturedCoculture TechniquesHippocampusHumansImmunoglobulinsMacromolecular SubstancesMiceNeural PathwaysPresynaptic TerminalsProtein IsoformsRatsRats, Sprague-DawleySynapsesSynaptic MembranesSynaptic TransmissionTumor Suppressor ProteinsConceptsAdhesion complexesDivergent expression profilesImmunoglobulin superfamily memberHeterophilic complexesProtein familyPosttranslational modificationsHeterophilic adhesionSuperfamily membersCell adhesion moleculeSynapse organizationExpression profilesSynapse developmentSynCAM 1Cell junctionsActive presynaptic terminalsPostsynaptic sideMolecular compositionAdhesion moleculesAdhesive patternsProteinSynaptic cleftPresynaptic terminalsComplexesExcitatory neurotransmissionFunctional synapses
2006
SynCAM in Formation and Function of Synaptic Specializations
Biederer T. SynCAM in Formation and Function of Synaptic Specializations. 2006, 125-135. DOI: 10.1007/978-0-387-32562-0_9.Peer-Reviewed Original ResearchInteraction motifsSynCAM 1Short cytosolic tailProtein interaction motifsSingle transmembrane regionIg-like domainsCytosolic tailActin cytoskeletonTransmembrane regionIntracellular sequencesExtracellular sequencesAdaptor moleculeGeneral roleMembrane differentiationSynaptic differentiationCentral nervous systemPostsynaptic membraneAdhesion moleculesProteinSynaptic cleftMotifPresynaptic terminalsDifferentiationSequenceFamily members
2002
SynCAM, a Synaptic Adhesion Molecule That Drives Synapse Assembly
Biederer T, Sara Y, Mozhayeva M, Atasoy D, Liu X, Kavalali ET, Südhof T. SynCAM, a Synaptic Adhesion Molecule That Drives Synapse Assembly. Science 2002, 297: 1525-1531. PMID: 12202822, DOI: 10.1126/science.1072356.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBrainBrain ChemistryCell Adhesion MoleculesCell Adhesion Molecules, NeuronalCell LineCoculture TechniquesExocytosisHumansImmunoglobulinsMolecular Sequence DataNeuronsProsencephalonProtein Structure, TertiaryRatsReceptors, AMPARecombinant Fusion ProteinsSequence Homology, Amino AcidSynapsesSynaptic TransmissionTransfectionTumor Suppressor ProteinsConceptsSynapse assemblyHomophilic cell adhesion moleculeDomain-containing proteinsPDZ domain proteinsNonneuronal cellsAdhesion moleculesSynaptic adhesion moleculesImmunoglobulin domain-containing proteinsGlutamate receptorsCoordinated assemblyCytoplasmic tailCell adhesion moleculeGlutamatergic synaptic transmissionSynapse formationPostsynaptic specializationsPostsynaptic responsesHippocampal neuronsSynaptic transmissionProteinNerve cellsAssemblyCellsExpressionTight attachmentNeurons