Articles with "gabaa" as a keyword



GABAA and GABAB receptor subunit localization on neurochemically identified neurons of the human subthalamic nucleus

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Published in 2018 at "Journal of Comparative Neurology"

DOI: 10.1002/cne.24368

Abstract: The subthalamic nucleus (STN) is a critical excitatory signaling center within the basal ganglia circuitry. The activity of subthalamic neurons is tightly controlled by upstream inhibitory signaling centers in the basal ganglia. In this study,… read more here.

Keywords: subthalamic nucleus; gabaa gabab; receptor subunits; receptor ... See more keywords

Phytol Enhances Anticonvulsant Effect of Carbamazepine and Diazepam Against PTZ‐Induced Convulsion in Chicks, Possibly Through Voltage‐Gated Sodium Channel and GABAA Interaction Pathways

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Published in 2025 at "Drug Development Research"

DOI: 10.1002/ddr.70162

Abstract: The chlorophyll‐derived diterpenoid phytol (PHY) is evident for its diverse biological effects, including neuroprotective activities in experimental animals. This study aims at the evaluation of anticonvulsant effects along with the possible mechanism of action of… read more here.

Keywords: effect; phy; gabaa; sodium channel ... See more keywords

GABAA Receptors in the Mongolian Gerbil: a PET Study Using [18F]Flumazenil to Determine Receptor Binding in Young and Old Animals

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Published in 2019 at "Molecular Imaging and Biology"

DOI: 10.1007/s11307-019-01371-0

Abstract: PurposePlastic changes in the central auditory system involving the GABAergic system accompany age-related hearing loss. Such processes can be investigated with positron emission tomography (PET) imaging using [18F]flumazenil ([18F]FMZ). Here, [18F]FMZ PET-based modeling approaches allow… read more here.

Keywords: pet; using 18f; receptor; gabaa ... See more keywords

Dopamine Regulation of GABAA Receptors Contributes to Light/Dark Modulation of the ON-Cone Bipolar Cell Receptive Field Surround in the Retina

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Published in 2017 at "Current Biology"

DOI: 10.1016/j.cub.2017.07.063

Abstract: Cone bipolar cells are interneurons that receive synaptic input from cone photoreceptor cells and provide the output of the first synaptic layer of the retina. These cells exhibit center-surround receptive fields, a prototype of lateral… read more here.

Keywords: cell; cone bipolar; receptive field; cone ... See more keywords

Functional Characterization of Native, High-Affinity GABAA Receptors in Human Pancreatic β Cells

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Published in 2018 at "EBioMedicine"

DOI: 10.1016/j.ebiom.2018.03.014

Abstract: In human pancreatic islets, the neurotransmitter γ-aminobutyric acid (GABA) is an extracellular signaling molecule synthesized by and released from the insulin-secreting β cells. The effective, physiological GABA concentration range within human islets is unknown. Here… read more here.

Keywords: affinity; human pancreatic; gabaa receptors; gaba ... See more keywords
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Variations on a scaffold - Novel GABAA receptor modulators.

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Published in 2019 at "European journal of medicinal chemistry"

DOI: 10.1016/j.ejmech.2019.07.008

Abstract: Allosteric ligands of GABAA receptors exist in many different chemotypes owing to their great usefulness as therapeutics, with benzodiazepines being among the best known examples. Many allosteric binding sites have been described, among them a… read more here.

Keywords: gabaa receptor; variations scaffold; novel gabaa; gabaa receptors ... See more keywords
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Sevoflurane depresses neurons in the medial parabrachial nucleus by potentiating postsynaptic GABAA receptors and background potassium channels

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Published in 2020 at "Neuropharmacology"

DOI: 10.1016/j.neuropharm.2020.108249

Abstract: Despite persistent clinical use for over 170 years, the neuronal mechanisms by which general anesthetics produce hypnosis remain unclear. Previous studies suggest that anesthetics exert hypnotic effects by acting on endogenous arousal circuits. Recently, it… read more here.

Keywords: medial parabrachial; potassium; hypnosis; gabaa ... See more keywords

Homotaurine, a safe blood-brain barrier permeable GABAA-R-specific agonist, ameliorates disease in mouse models of multiple sclerosis

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Published in 2018 at "Scientific Reports"

DOI: 10.1038/s41598-018-32733-3

Abstract: There is a need for treatments that can safely promote regulatory lymphocyte responses. T cells express GABA receptors (GABAA-Rs) and GABA administration can inhibit Th1-mediated processes such as type 1 diabetes and rheumatoid arthritis in… read more here.

Keywords: mouse models; disease; homotaurine; multiple sclerosis ... See more keywords

Exploratory GABAa-informed control network modulates hyperarousal brain dynamics in chronic insomnia

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Published in 2025 at "Communications Biology"

DOI: 10.1038/s42003-025-08439-4

Abstract: Chronic insomnia disorder is characterized by hyperarousal, a heightened cortical activation pattern that disrupts normal sleep. While hyperarousal has been linked to altered brain state dynamics, the underlying neurobiological mechanisms remain poorly understood, particularly regarding… read more here.

Keywords: brain; gabaa; chronic insomnia; state ... See more keywords

Sleep-promoting activity of lotus (Nelumbo nucifera) rhizome water extract via GABAA receptors

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Published in 2022 at "Pharmaceutical Biology"

DOI: 10.1080/13880209.2022.2096076

Abstract: Abstract Context The sleep-promoting activity of Nelumbo nucifera Gaertn. (Nymphaeaceae) alkaloids in leaves or seeds are well known. However, the sleep-promoting activity of the lotus rhizome (LE), which is used mainly as food, has not… read more here.

Keywords: nelumbo nucifera; gabaa; activity; promoting activity ... See more keywords
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Presynaptic GABAA Receptors Modulate Thalamocortical Inputs in Layer 4 of Rat V1

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Published in 2019 at "Cerebral Cortex"

DOI: 10.1093/cercor/bhx364

Abstract: &NA; Fast inhibitory GABAergic transmission plays a fundamental role in neural circuits. Current theories of cortical function assume that fast GABAergic inhibition acts via GABAA receptors on postsynaptic neurons, while presynaptic effects of GABA depend… read more here.

Keywords: thalamocortical inputs; modulate thalamocortical; receptors modulate; gabaa receptors ... See more keywords