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- W2900554811 endingPage "2082.e6" @default.
- W2900554811 startingPage "2070" @default.
- W2900554811 abstract "The precise wiring of synaptic connections requires the elimination of supernumerary inputs competing for innervation of the same target cell. This competition is activity-dependent, strengthening some inputs whereas others are eliminated. Although glial cells are required for the elimination and clearance of terminals, their involvement in activity-dependent synaptic competition remains ill-defined. Here, we used the developing neuromuscular junctions of mice to show that perisynaptic glial cells, through 2Y1 purinergic receptors (P2Y1Rs), decode synaptic efficacy of competing terminals in a Ca2+-dependent manner. This glial activity induces long-lasting synaptic potentiation of strong but not weak terminals via presynaptic adenosine 2A receptors. Blockade of glial activity by intracellular Ca2+ chelation or blockade of P2Y1Rs prevents this plasticity. In addition, blockade of P2Y1Rs delays synapse elimination in vivo. Hence, P2Y1Rs drive glial cell regulation of strong synaptic inputs and influence synapse competition and elimination." @default.
- W2900554811 created "2018-11-29" @default.
- W2900554811 creator A5036089609 @default.
- W2900554811 creator A5039064902 @default.
- W2900554811 creator A5090864398 @default.
- W2900554811 date "2018-11-01" @default.
- W2900554811 modified "2023-10-12" @default.
- W2900554811 title "Purinergic-Dependent Glial Regulation of Synaptic Plasticity of Competing Terminals and Synapse Elimination at the Neuromuscular Junction" @default.
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- W2900554811 doi "https://doi.org/10.1016/j.celrep.2018.10.075" @default.
- W2900554811 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30463006" @default.