نتایج جستجو برای: glutamate receptors
تعداد نتایج: 255451 فیلتر نتایج به سال:
Glutamatergic transmission at mossy fiber (MF) synapses on CA3 pyramidal neurons in the hippocampus is mediated by AMPA, kainate, and NMDA receptors and undergoes presynaptic modulation by metabotropic glutamate receptors. The recruitment of different receptors has thus far been studied by altering presynaptic stimulation to modulate glutamate release and interfering pharmacologically with rece...
We have explored the ability of axons from spinal and hippocampal neurons to aggregate NMDA- and AMPA-type glutamate receptors on each other as a way of exploring the molecular differences between their presynaptic elements. Spinal axons, which normally cluster only AMPA-type glutamate receptors on other spinal neurons, cluster both AMPA- and NMDA-type glutamate receptors on the dendritic shaft...
A concise method is reported for the synthesis of 2-aminobicyclo[3.2.0]heptane-2,7-dicarboxylic acid, a close analogue glutamate receptor ligand LY354740, in both enantiomeric forms. The strategy features creation core structure at start via photochemical [2 + 2] cycloaddition reaction, an efficient resolution procedure using chiral oxazolidinone, and requires only minimal purification syntheti...
AIM To investigate whether in the prefrontal cortical (PFC) pyramidal cells, focal glutamate application to the apical dendrite induces bursting and whether the effect of glutamate involves activation of both NMDA and non-NMDA receptors. METHODS Pyramidal cells in layers V and VI of the PFC were visualized in rat brain slices using infrared videomicroscopy and recorded with whole-cell electro...
Introduction: In the present study, the effect of inhibition of glutamate NMDA receptors located in the dorsal hippocampus on the maintenance of anxiety and depression like behaviors induced by electric foot shock stress was investigated. Materials and Methods: NMARI male mice were divided into two categories. The first category received electro foot shock for 30 minutes after injection of mema...
Introduction: (S)- 3,5-Dihydroxyphenylglycine (DHPG) is an agonist for group I metabotropic glutamate receptors. DHPG-induced synaptic depression of excitatory synapses on hippocampal pyramidal neurons is well known model for synaptic plasticity studies. The aim of the present study was to examine the effects of DHPG superfusion on excitatory synapses on pyramidal and fast-spiking GABAergic cel...
The mechanism by which glutamate regulates the cytosolic free Ca2+ concentration ([Ca2+]c) in spontaneously firing dopamine neurons is not clear. Thus we have investigated the glutamate-mediated [Ca2+]c dynamics in the acutely isolated dopamine neurons from the rat substantia nigra pars compacta by measuring [Ca2+]c and spontaneously occurring action potentials (SAPs). The freshly isolated dopa...
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