ArticleCommunications biology2024
Direct and indirect pathways for heterosynaptic interaction underlying developmental synapse elimination in the mouse cerebellum.
Article in Communications biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Cerebellar purkinje cell dysfunction contributes to gait impairments in Shank3-mutant mice.Molecular autism · 2026Article
- mGluR1 signaling is necessary for strengthening winner climbing fiber inputs in the developing mouse cerebellum.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- The ER/Golgi Protein FNDC3B Facilitates Climbing Fibre to Purkinje Cell Synapse Elimination in the Developing Mouse Cerebellum.The European journal of neuroscience · 2026Article
- Synaptic transmission is dispensable for selecting the winner input but is crucial for the subsequent events of synapse elimination.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Cholecystokinin-expressing GABA neurons elicit long-term potentiation in the cortical inhibitory synapses and attenuate sound-shock associative memory.Scientific reports · 2025Article
- The transcription factor ZFP64 promotes activity-dependent synapse elimination during postnatal cerebellar development.iScience · 2025Article
- Article
- Molecular and Anatomical Strengthening of "Winner" Climbing Fiber Synapses in Developing Mouse Purkinje Cells.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- The spiny relationship between parallel fibers, climbing fibers, and Purkinje cells.Frontiers in physiology · 2025Review
- Reduced GABAergic inhibition and impaired synapse elimination by neuroligin-2 deletion from Purkinje cells of the developing cerebellum.Frontiers in neural circuits · 2025Article
- Molecular and cellular mechanisms of developmental synapse elimination in the cerebellum: Involvement of autism spectrum disorder-related genes.Proceedings of the Japan Academy. Series B, Physical and biological sciences · 2024Review
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Authors and funding
14 authors.
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Abstract
Developmental synapse elimination is crucial for shaping mature neural circuits. In the neonatal mouse cerebellum, Purkinje cells (PCs) receive excitatory synaptic inputs from multiple climbing fibers (CFs) and synapses from all but one CF are eliminated by around postnatal day 20. Heterosynaptic interaction between CFs and parallel fibers (PFs), the axons of cerebellar granule cells (GCs) forming excitatory synapses onto PCs and molecular layer interneurons (MLIs), is crucial for CF synapse elimination. However, mechanisms for this heterosynaptic interaction are largely unknown. Here we show that deletion of AMPA-type glutamate receptor functions in GCs impairs CF synapse elimination mediated by metabotropic glutamate receptor 1 (mGlu1) signaling in PCs. Furthermore, CF synapse elimination is impaired by deleting NMDA-type glutamate receptors from MLIs. We propose that PF activity is crucial for CF synapse elimination by directly activating mGlu1 in PCs and indirectly enhancing the inhibition of PCs through activating NMDA receptors in MLIs.
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