Results 21 to 30 of about 53,245 (286)

P2X7 receptors exert a permissive effect on the activation of presynaptic AMPA receptors in rat trigeminal caudal nucleus glutamatergic nerve terminals

open access: yesThe Journal of Headache and Pain, 2020
Background Purine receptors play roles in peripheral and central sensitization and are associated with migraine headache. We investigated the possibility that ATP plays a permissive role in the activation of AMPA receptors thus inducing Glu release from ...
Diego Currò   +3 more
doaj   +1 more source

Ionotropic Glutamate Receptors in Epilepsy: A Review Focusing on AMPA and NMDA Receptors

open access: yesBiomolecules, 2020
It is widely accepted that glutamate-mediated neuronal hyperexcitation plays a causative role in eliciting seizures. Among glutamate receptors, the roles of N-methyl-D-aspartate (NMDA) and α-amino-3-hydroxy-5-methylisoxazole-4-propionic acid (AMPA ...
Takahisa Hanada
doaj   +1 more source

Modulatory mechanisms of TARP γ8-selective AMPA receptor therapeutics

open access: yesNature Communications, 2023
AMPA receptors associated with TARP subunits enable the development of selective AMPA receptor drugs. Here, the authors provide cryo-EM structures of receptors bound to three TARP-γ8 selective drugs, and reveal bifunctionality of one ligand.
Danyang Zhang   +7 more
doaj   +1 more source

Pharmacological characterisation of S 47445, a novel positive allosteric modulator of AMPA receptors.

open access: yesPLoS ONE, 2017
S 47445 is a novel positive allosteric modulator of alpha-amino-3-hydroxy-5-methyl-4-isoxazole-propionic acid (AMPA) receptors (AMPA-PAM). S 47445 enhanced glutamate's action at AMPA receptors on human and rat receptors and was inactive at NMDA and ...
Sylvie Bretin   +18 more
doaj   +1 more source

Parkinson’s disease, epilepsy, and amyotrophic lateral sclerosis—emerging role of AMPA and kainate subtypes of ionotropic glutamate receptors

open access: yesFrontiers in Cell and Developmental Biology, 2023
Ionotropic glutamate receptors (iGluRs) mediate the majority of excitatory neurotransmission and are implicated in various neurological disorders. In this review, we discuss the role of the two fastest iGluRs subtypes, namely, α-amino-3-hydroxy-5-methyl ...
Marina N. Vukolova   +5 more
doaj   +1 more source

AMPA Receptor Function in Hypothalamic Synapses [PDF]

open access: yesFrontiers in Synaptic Neuroscience, 2022
AMPA receptors (AMPARs) are critical for mediating glutamatergic synaptic transmission and plasticity, thus playing a major role in the molecular machinery underlying cellular substrates of memory and learning. Their expression pattern, transport and regulatory mechanisms have been extensively studied in the hippocampus, but their functional properties
Maria Royo   +3 more
openaire   +5 more sources

Ion channel gradients in the apical tuft region of CA1 pyramidal neurons. [PDF]

open access: yesPLoS ONE, 2012
Dendritic ion channels play a critical role in shaping synaptic input and are fundamentally important for synaptic integration and plasticity. In the hippocampal region CA1, somato-dendritic gradients of AMPA receptors and the hyperpolarization-activated
Katie C Bittner   +2 more
doaj   +1 more source

Epileptic syndrome in the clinical picture of the diseaseand the level of antibodies to GluR1 subunit of AMPA glutamate receptors in the patients with gliomas in the cerebral hemispheres of a brain

open access: yesУчёные записки Санкт-Петербургского государственного медицинского университета им. Акад. И.П. Павлова, 2013
The authors examined 92 patients with gliomas in the cerebral hemispheres. The immunoenzyme method was used for semiquantitative assay of the level of autoantibodies to GluR1 subunit of AMPA receptors of glutamate.
V. N. Ochkolyas   +3 more
doaj   +1 more source

Glycine Potentiates AMPA Receptor Function through Metabotropic Activation of GluN2A-containing NMDA Receptors

open access: yesFrontiers in Molecular Neuroscience, 2016
NMDA receptors are Ca2+-permeable ion channels. The activation of NMDA receptors requires agonist glutamate and co-agonist glycine. Recent evidence indicates that NMDA receptor also has metabotropic function.
Li-Jun Li   +15 more
doaj   +1 more source

Activation of AMPA Receptors in the Lateral Habenula Produces Anxiolytic Effects in a Rat Model of Parkinson’s Disease

open access: yesFrontiers in Pharmacology, 2022
Background: Parkinson’s disease (PD) is commonly accompanied with anxiety disorder, however, the mechanisms underlying PD-mediated anxiety remain elusive.
Jin Zhang   +5 more
doaj   +1 more source

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