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Architecture of the Mouse Brain Synaptome

Zhu, F; Cizeron, M; Qiu, Z; Benavides-Piccione, R; Kopanitsa, MV; Skene, NG; Koniaris, B; DeFelipe, J; Fransen, E; Komiyama, NH; Grant, SGN

NEURON
2018
VL / 99 - BP / 781 - EP / +
abstract
Synapses are found in vast numbers in the brain and contain complex proteomes. We developed genetic labeling and imaging methods to examine synaptic proteins in individual excitatory synapses across all regions of the mouse brain. Synapse catalogs were generated from the molecular and morphological features of a billion synapses. Each synapse subtype showed a unique anatomical distribution, and each brain region showed a distinct signature of synapse subtypes. Whole-brain synaptome cartography revealed spatial architecture from dendritic to global systems levels and previously unknown anatomical features. Synaptome mapping of circuits showed correspondence between synapse diversity and structural and functional connectomes. Behaviorally relevant patterns of neuronal activity trigger spatio-temporal postsynaptic responses sensitive to the structure of synaptome maps. Areas controlling higher cognitive function contain the greatest synapse diversity, and mutations causing cognitive disorders reorganized synaptome maps. Synaptome technology and resources have wide-ranging application in studies of the normal and diseased brain.
183rd Global

AccesS level

Green Published, Other Gold

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PROYECTO FINANCIADO POR PLAN NACIONAL DE INVESTIGACIÓN AGENCIA ESTATAL DE INVESTIGACIÓN, MINISTERIO DE CIENCIA E INNOVACIÓN. PID2019-109127RB-I00