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Quantifying Synapses: an Immunocytochemistry-based Assay to Quantify Synapse Number
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Quantifying Synapses: an Immunocytochemistry-based Assay to Quantify Synapse Number
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18:11 min
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November 16, 2010
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Summary
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This protocol details how to quantify synapse number both in dissociated neuronal culture and in brain sections using immunocytochemistry. Using compartment-specific antibodies, we label presynaptic terminals as well as sites of postsynaptic specialization. We define synapses as points of colocalization between the signals generated by these markers.
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QuantifySynapsesImmunocytochemistry-based AssaySynapse NumberNeurosciencesMolecular CuesObjective ApproachesSynaptic ConnectivitySample FixationDissociated Neuronal CultureBrain SectionsImmunocytochemistryCompartment-specific AntibodiesPresynaptic TerminalsPostsynaptic SpecializationColocalizationSignalsMarkersPuncta AnalyzerImageJ Analysis Software PlatformSynapse AssayCulture Preparation
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Ippolito, D. M., Eroglu, C. Quantifying Synapses: an Immunocytochemistry-based Assay to Quantify Synapse Number. J. Vis. Exp. (45), e2270, doi:10.3791/2270 (2010).
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