Results 141 to 150 of about 17,410 (180)

Physiopathology of kainate receptors in epilepsy

Current Opinion in Pharmacology, 2015
Kainate receptors (KARs) are tetrameric ionotropic glutamate receptors composed of the combinations of five subunits GluK1-GluK5. KARs are structurally related to AMPA receptors but they serve quite distinct functions by regulating the activity of synaptic circuits at presynaptic and postsynaptic sites, through either ionotropic or metabotropic actions.
Valérie, Crépel, Christophe, Mulle
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Kainate Receptors

The Neuroscientist, 2013
Ionotropic glutamate receptors of the N-methyl-d-aspartate (NMDA)- and AMPA-type, as well as metabotropic glutamate receptors have been extensively invoked in plasticity. Until relatively recently, however, kainate-type receptors (KARs) had been the most elusive to study because of the lack of appropriate pharmacological tools to specifically address ...
Talvinder S, Sihra, Gonzalo, Flores, Antonio, Rodríguez-Moreno   +2 more
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The synaptic activation of kainate receptors

Nature, 1997
L-Glutamate, the principal excitatory neurotransmitter in the vertebrate central nervous system, acts on three classes of ionotropic glutamate receptors, named after the agonists AMPA, NMDA and kainate. AMPA receptors are known to mediate fast synaptic responses and NMDA receptors to mediate slow synaptic responses at most excitatory synapses in the ...
Vignes, M., Collingridge, G. L.
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Role of kainate receptors in nociception

Brain Research Reviews, 2002
Nociceptive nerve fibers use L-glutamate as a fast excitatory neurotransmitter and it is therefore not surprising that both, ionotropic and metabotropic glutamate receptors play pivotal roles for transmission of nociceptive information in spinal cord.
Ruth, Ruscheweyh, Jürgen, Sandkühler
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Kainate neurotoxicity and glutamate inactivation

Neuroscience Letters, 1979
Dihydrokainate, an inhibitor of high affinity L-glutamate as an excitant of cat spinal neurones in vivo. This action of dihydrokainate was selective in that the effects of excitants taken up actively in vitro by CNS tissue (L-aspartate, D- and L-glutamate and L-homocysteate) were enhanced whereas those of other substances not taken up (acetylcholine, D-
D, Lodge, G A, Johnston, D R, Curtis, J C, Bornstein   +3 more
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Synaptic plasticity of kainate receptors

Biochemical Society Transactions, 2006
Synaptic plasticity of ionotropic glutamate receptors has been extensively studied with a particular focus on the role played by NMDA (N-methyl-D-aspartate) receptors in the induction of synaptic plasticity and the subsequent movement of AMPA (α-amino-3-hydroxy-5-methylisoxazole-4-propionic acid) receptors.
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Kainate receptors in epilepsy and excitotoxicity

Neuroscience, 2009
Kainate (KA), an analog of glutamate, is a potent neurotoxin that has long been known to induce behavioral and electrophysiological seizures as well as neuropathological lesions reminiscent of those found in patients with temporal lobe epilepsy. More than a decade after the initial KA studies, molecular cloning of ionotropic glutamate receptors ...
P, Vincent, C, Mulle
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Kainate-like neurotoxicity of folates

Nature, 1981
Kainic acid (KA) is one of the most powerful of a group of ‘excitotoxic’ analogues of the putative neurotransmitter glu-tamate (Glu) whose neurotoxicity may involve an excitatory mechanism mediated through glutamergic postsynaptic receptors1–8. The finding9 that neural membranes have specific sites where KA binds quite firmly and that Glu inhibits such
J W, Olney, T A, Fuller, T, de Gubareff
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Kainate receptors and synaptic plasticity

Nature, 2000
Bortolotto et al.1 report that the kainate subtype of glutamate receptor is essential for the plasticity of certain types of synaptic transmission in the brain, which is of interest as these receptors were previously not thought to initiate plastic processes. In particular, a new antagonist (LY382884) was shown to act selectively against the GluR5 type
R A, Nicoll, J, Mellor, M, Frerking, D, Schmitz   +3 more
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Kainate induces apoptosis in neurons

Neuroscience, 1996
Growing evidence suggests that non-N-methyl-D-aspartate receptor activation may contribute to neuronal death in both acute and chronic neurological diseases. The intracellular processes that mediate this form of neuronal death are poorly understood. We have previously characterized a model of kainate neurotoxicity using cerebellar granule cell neurons ...
N A, Simonian, R L, Getz, J C, Leveque, C, Konradi, J T, Coyle   +4 more
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