ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2005
Distinct gamma2 subunit domains mediate clustering and synaptic function of postsynaptic GABAA receptors and gephyrin.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 90 papers, 1 of them a synthesis that pooled it.
What it found
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
90 citing papers in PubMed, 1 synthesis or guideline pooled it, 154 citations in OpenAlex.
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- The Vodka Trial: Clinical and Genetic Characteristics of Alcohol Responsiveness in Laryngeal Dystonia.Movement disorders clinical practice · 2025Article
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- Chronic benzodiazepine treatment triggers gephyrin scaffold destabilization and GABAFrontiers in cellular neuroscience · 2025Article
- Cell Type-Specific Profiles and Developmental Trajectories of Transcriptomes in Primate Prefrontal Layer 3 Pyramidal Neurons: Implications for Schizophrenia.The American journal of psychiatry · 2024Article
- Modular Structure and Polymerization Status of GABAInternational journal of molecular sciences · 2024Article
- Altered excitatory and inhibitory ionotropic receptor subunit expression in the cortical visuospatial working memory network in schizophrenia.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2024Article
- Channelopathies in epilepsy: an overview of clinical presentations, pathogenic mechanisms, and therapeutic insights.Journal of neurology · 2024Review
- Non-severe thermal burn injuries induce long-lasting downregulation of gene expression in cortical excitatory neurons and microglia.Frontiers in molecular neuroscience · 2024Article
- Impact of Developmental Changes of GABAInternational journal of molecular sciences · 2023Article
- Circuits and components of delta wave regulation.Brain research bulletin · 2022Review
- Variable Expression of GABAA Receptor Subunit Gamma 2 Mutation in a Nuclear Family Displaying Developmental and Encephalopathic Phenotype.International journal of molecular sciences · 2022Review
- Nano-organization of spontaneous GABAergic transmission directs its autonomous function in neuronal signaling.Cell reports · 2022Article
- Recruitment of Plasma Membrane GABA-A Receptors by Submembranous Gephyrin/Collybistin Clusters.Cellular and molecular neurobiology · 2022Article
- Phenotypic Spectrum and Prognosis of Epilepsy Patients WithFrontiers in molecular neuroscience · 2022Article
- Salicylate Induced GABAAR Internalization by Dopamine D1-Like Receptors Involving Protein Kinase C (PKC) in Spiral Ganglion Neurons.Medical science monitor : international medical journal of experimental and clinical research · 2021Article
- GABAIUPHAR/BPS guide to pharmacology CITE · 2021Article
30 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
5 authors at 1 institution in 2 countries.
Funding
Abstract
Modulation of the concentration of postsynaptic GABA(A) receptors contributes to functional plasticity of inhibitory synapses. The gamma2 subunit of GABA(A) receptor is specifically required for clustering of these receptors, for recruitment of the submembrane scaffold protein gephyrin to postsynaptic sites, and for postsynaptic function of GABAergic inhibitory synapses. To elucidate this mechanism, we here have mapped the gamma2 subunit domains required for restoration of postsynaptic clustering and function of GABA(A) receptors in gamma2 subunit mutant neurons. Transfection of gamma2-/- neurons with the gamma2 subunit but not the alpha2 subunit rescues postsynaptic clustering of GABA(A) receptors, results in recruitment of gephyrin to postsynaptic sites, and restores the amplitude and frequency of miniature inhibitory postsynaptic currents to wild-type levels. Analogous analyses of chimeric gamma2/alpha2 subunit constructs indicate, unexpectedly, that the fourth transmembrane domain of the gamma2 subunit is required and sufficient for postsynaptic clustering of GABA(A) receptors, whereas cytoplasmic gamma2 subunit domains are dispensable. In contrast, both the major cytoplasmic loop and the fourth transmembrane domain of the gamma2 subunit contribute to efficient recruitment of gephyrin to postsynaptic receptor clusters and are essential for restoration of miniature IPSCs. Our study points to a novel mechanism involved in targeting of GABA(A) receptors and gephyrin to inhibitory synapses.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.