2019 |
Mohamad, F H; Has, A T C The α5-Containing GABA A Receptors—a Brief Summary Journal Article Journal of Molecular Neuroscience, 67 (2), pp. 343-351, 2019, ISSN: 08958696, (cited By 1). Abstract | Links | BibTeX | Tags: 4 Aminobutyric Acid, 4 Aminobutyric Acid A Receptor, Alpha5 Containing 4 Aminobutyric Acid A Receptor, Animals, Autism, Brain, Cognitive Defect, Cognitive Dysfunction, Drug Effect, GABA Agents, GABA-A, GABAergic Receptor Affecting Agent, Genetics, Human, Metabolism, Nonhuman, Protein Subunit, Protein Subunits, Receptors, Review, Schizophrenia, Unclassified Drug @article{Mohamad2019343, title = {The α5-Containing GABA A Receptors—a Brief Summary}, author = {F H Mohamad and A T C Has}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85059596842&doi=10.1007%2fs12031-018-1246-4&partnerID=40&md5=7b2ba0dc86c6c3f890f226cad8195ee5}, doi = {10.1007/s12031-018-1246-4}, issn = {08958696}, year = {2019}, date = {2019-01-01}, journal = {Journal of Molecular Neuroscience}, volume = {67}, number = {2}, pages = {343-351}, publisher = {Springer New York LLC}, abstract = {GABA A receptors are the major inhibitory neurotransmitter receptor in the human brain. The receptors are assembled from combination of protein subunits in pentameric complex which may consist of α1–6, β1–3, γ1–3, ρ1–3, δ, ε, θ, or π subunits. There are a theoretical > 150,000 possible assemblies and arrangements of GABA A subunits, although only a few combinations have been found in human with the most dominant consists of 2α1, 2β2, and 1γ2 in a counterclockwise arrangement as seen from the synaptic cleft. The receptors also possess binding sites for various unrelated substances including benzodiazepines, barbiturates, and anesthetics. The α5-containing GABA A Rs only make up ≤ 5% of the entire receptor population, but up to 25% of the receptor subtype is located in the crucial learning and memory-associated area of the brain—the hippocampus, which has ignited myriads of hypotheses and theories in regard to its role. As well as exhibiting synaptic phasic inhibition, the α5-containing receptors are also extrasynaptic and mediate tonic inhibition with continuously occurring smaller amplitude. Studies on negative-allosteric modulators for reducing this tonic inhibition have been shown to enhance learning and memory in neurological disorders such as schizophrenia, Down syndrome, and autism with a possible alternative benzodiazepine binding site. Therefore, a few α5 subunit-specific compounds have been developed to address these pharmacological needs. With its small population, the α5-containing receptors could be the key and also the answer for many untreated cognitive dysfunctions and disorders. © 2019, Springer Science+Business Media, LLC, part of Springer Nature.}, note = {cited By 1}, keywords = {4 Aminobutyric Acid, 4 Aminobutyric Acid A Receptor, Alpha5 Containing 4 Aminobutyric Acid A Receptor, Animals, Autism, Brain, Cognitive Defect, Cognitive Dysfunction, Drug Effect, GABA Agents, GABA-A, GABAergic Receptor Affecting Agent, Genetics, Human, Metabolism, Nonhuman, Protein Subunit, Protein Subunits, Receptors, Review, Schizophrenia, Unclassified Drug}, pubstate = {published}, tppubtype = {article} } GABA A receptors are the major inhibitory neurotransmitter receptor in the human brain. The receptors are assembled from combination of protein subunits in pentameric complex which may consist of α1–6, β1–3, γ1–3, ρ1–3, δ, ε, θ, or π subunits. There are a theoretical > 150,000 possible assemblies and arrangements of GABA A subunits, although only a few combinations have been found in human with the most dominant consists of 2α1, 2β2, and 1γ2 in a counterclockwise arrangement as seen from the synaptic cleft. The receptors also possess binding sites for various unrelated substances including benzodiazepines, barbiturates, and anesthetics. The α5-containing GABA A Rs only make up ≤ 5% of the entire receptor population, but up to 25% of the receptor subtype is located in the crucial learning and memory-associated area of the brain—the hippocampus, which has ignited myriads of hypotheses and theories in regard to its role. As well as exhibiting synaptic phasic inhibition, the α5-containing receptors are also extrasynaptic and mediate tonic inhibition with continuously occurring smaller amplitude. Studies on negative-allosteric modulators for reducing this tonic inhibition have been shown to enhance learning and memory in neurological disorders such as schizophrenia, Down syndrome, and autism with a possible alternative benzodiazepine binding site. Therefore, a few α5 subunit-specific compounds have been developed to address these pharmacological needs. With its small population, the α5-containing receptors could be the key and also the answer for many untreated cognitive dysfunctions and disorders. © 2019, Springer Science+Business Media, LLC, part of Springer Nature. |
2012 |
Cheah, P -S; Ramshaw, H S; Thomas, P Q; Toyo-Oka, K; Xu, X; Martin, S; Coyle, P; Guthridge, M A; Stomski, F; Buuse, Van Den M; Wynshaw-Boris, A; Lopez, A F; Schwarz, Q P Neurodevelopmental and neuropsychiatric behaviour defects arise from 14-3-3ζ deficiency Journal Article Molecular Psychiatry, 17 (4), pp. 451-466, 2012, ISSN: 13594184, (cited By 58). Abstract | Links | BibTeX | Tags: 14-3-3 Proteins, Animal Experiment, Animal Model, Animal Tissue, Animals, Article, Autism, Behaviour Disorder, Bipolar Disorder, Brain, Cell Movement, Cells, Cognitive Defect, Controlled Study, Cultured, Disease Models, Disrupted in Schizophrenia 1 Protein, Embryo, Female, Gene, Gene Deletion, Genetic Predisposition to Disease, Glutamic Acid, Hippocampal Mossy Fiber, Hippocampus, Human, Hyperactivity, Inbred C57BL, Isoprotein, Knockout, Learning, Male, Maze Learning, Memory, Mice, Motor Activity, Mouse, Neurogenesis, Neuronal Migration Disorder, Neurons, Neuropsychiatry, Nonhuman, Priority Journal, Protein 14-3-3, Protein 14-3-3 Zeta, Protein Deficiency, Protein Interaction, Recognition, Risk Factor, Schizophrenia, Sensory Gating, Synapse, Unclassified Drug @article{Cheah2012451, title = {Neurodevelopmental and neuropsychiatric behaviour defects arise from 14-3-3ζ deficiency}, author = {P -S Cheah and H S Ramshaw and P Q Thomas and K Toyo-Oka and X Xu and S Martin and P Coyle and M A Guthridge and F Stomski and M Van Den Buuse and A Wynshaw-Boris and A F Lopez and Q P Schwarz}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84859007028&doi=10.1038%2fmp.2011.158&partnerID=40&md5=7f507fef31a192a10b3cde7bf69b5442}, doi = {10.1038/mp.2011.158}, issn = {13594184}, year = {2012}, date = {2012-01-01}, journal = {Molecular Psychiatry}, volume = {17}, number = {4}, pages = {451-466}, abstract = {Complex neuropsychiatric disorders are believed to arise from multiple synergistic deficiencies within connected biological networks controlling neuronal migration, axonal pathfinding and synapse formation. Here, we show that deletion of 14-3-3ζ causes neurodevelopmental anomalies similar to those seen in neuropsychiatric disorders such as schizophrenia, autism spectrum disorder and bipolar disorder. 14-3-3ζ-Deficient mice displayed striking behavioural and cognitive deficiencies including a reduced capacity to learn and remember, hyperactivity and disrupted sensorimotor gating. These deficits are accompanied by subtle developmental abnormalities of the hippocampus that are underpinned by aberrant neuronal migration. Significantly, 14-3-3ζ- deficient mice exhibited abnormal mossy fibre navigation and glutamatergic synapse formation. The molecular basis of these defects involves the schizophrenia risk factor, DISC1, which interacts isoform specifically with 14-3-3ζ. Our data provide the first evidence of a direct role for 14-3-3ζ deficiency in the aetiology of neurodevelopmental disorders and identifies 14-3-3ζ as a central risk factor in the schizophrenia protein interaction network. © 2012 Macmillan Publishers Limited All rights reserved.}, note = {cited By 58}, keywords = {14-3-3 Proteins, Animal Experiment, Animal Model, Animal Tissue, Animals, Article, Autism, Behaviour Disorder, Bipolar Disorder, Brain, Cell Movement, Cells, Cognitive Defect, Controlled Study, Cultured, Disease Models, Disrupted in Schizophrenia 1 Protein, Embryo, Female, Gene, Gene Deletion, Genetic Predisposition to Disease, Glutamic Acid, Hippocampal Mossy Fiber, Hippocampus, Human, Hyperactivity, Inbred C57BL, Isoprotein, Knockout, Learning, Male, Maze Learning, Memory, Mice, Motor Activity, Mouse, Neurogenesis, Neuronal Migration Disorder, Neurons, Neuropsychiatry, Nonhuman, Priority Journal, Protein 14-3-3, Protein 14-3-3 Zeta, Protein Deficiency, Protein Interaction, Recognition, Risk Factor, Schizophrenia, Sensory Gating, Synapse, Unclassified Drug}, pubstate = {published}, tppubtype = {article} } Complex neuropsychiatric disorders are believed to arise from multiple synergistic deficiencies within connected biological networks controlling neuronal migration, axonal pathfinding and synapse formation. Here, we show that deletion of 14-3-3ζ causes neurodevelopmental anomalies similar to those seen in neuropsychiatric disorders such as schizophrenia, autism spectrum disorder and bipolar disorder. 14-3-3ζ-Deficient mice displayed striking behavioural and cognitive deficiencies including a reduced capacity to learn and remember, hyperactivity and disrupted sensorimotor gating. These deficits are accompanied by subtle developmental abnormalities of the hippocampus that are underpinned by aberrant neuronal migration. Significantly, 14-3-3ζ- deficient mice exhibited abnormal mossy fibre navigation and glutamatergic synapse formation. The molecular basis of these defects involves the schizophrenia risk factor, DISC1, which interacts isoform specifically with 14-3-3ζ. Our data provide the first evidence of a direct role for 14-3-3ζ deficiency in the aetiology of neurodevelopmental disorders and identifies 14-3-3ζ as a central risk factor in the schizophrenia protein interaction network. © 2012 Macmillan Publishers Limited All rights reserved. |
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2019 |
The α5-Containing GABA A Receptors—a Brief Summary Journal Article Journal of Molecular Neuroscience, 67 (2), pp. 343-351, 2019, ISSN: 08958696, (cited By 1). |
2012 |
Neurodevelopmental and neuropsychiatric behaviour defects arise from 14-3-3ζ deficiency Journal Article Molecular Psychiatry, 17 (4), pp. 451-466, 2012, ISSN: 13594184, (cited By 58). |