نتایج جستجو برای: nr1 subunit
تعداد نتایج: 88128 فیلتر نتایج به سال:
Activation of N-methyl-D-aspartate (NMDA) receptors is essential for synaptic plasticity in the central nervous system and contributes to neuronal death under various pathological conditions. Although several subunits have been cloned, the structure of NMDA receptors in situ is unresolved. By using a photoreactive antagonist with nanomolar affinity to the NMDA-binding site, three types of recep...
NMDA receptors (NMDARs) are thought to be tetrameric assemblies composed of NR1 and at least one type of NR2 subunit. The identity of the NR2 subunit (NR2A, -B, -C, -D) is critical in determining many of the functional properties of the receptor, such as channel conductance and deactivation time. Further diversity may arise from coassembly of more than one type of NR2 subunit, if the resulting ...
Felbamate is an anticonvulsant used in the treatment of seizures associated with Lennox-Gastaut syndrome and complex partial seizures that are refractory to other medications. Its unique clinical profile is thought to be due to an interaction with N-methyl-D-aspartate (NMDA) receptors, resulting in decreased excitatory amino acid neurotransmission. To further characterize the interaction betwee...
Functional and structural alterations of clustered postsynaptic ligand gated ion channels in neuronal cells are thought to contribute to synaptic plasticity and memory formation in the human brain. Here, we describe a novel molecular mechanism for structural alterations of NR1 subunits of the NMDA receptor. In cultured rat spinal cord neurons, chronic NMDA receptor stimulation induces disappear...
BACKGROUND Anesthetics may interact with ionotropic glutamate receptors to produce some of their biologic actions. Cellular studies reveal that the ionotropic glutamate receptors, N-methyl-D-aspartate receptors (NMDARs), can be phosphorylated on their NR1 subunits at the C-terminal serine residues, which is a major mechanism for the regulation of NMDAR functions. It is currently unknown whether...
The NR3A subunit of the N-methyl-D-aspartate receptor has been shown to form glutamatergic receptor complexes with NR1 and NR2 subunits and excitatory glycinergic receptor complexes with NR1 alone. We developed an antibody to NR3A and, using quantitative immunoblotting techniques, determined the degree of association between the NR3A subunit and the NR1 and NR2 subunits as well as changes in th...
ABsTRACT Producing polyclonal antibodies (IgY) in chickens has advantages over those obtained in other animal models, since they have been used as a tool for studying different proteins (NMDA glutamate receptor in our case, specifically the NR1 subunit). We produced specific antibo-dies against expression products by the alternative splicing of the gene encoding NMDA receptor NR1 subunit in adu...
Haloperidol and ifenprodil are N-methyl-D-aspartate (NMDA) receptor (NR) antagonists with preference for the NR1/NR2B subunit combination. Previous investigations utilizing 125I-MK801 binding assays with recombinant receptors distinguished certain structural determinants on the NR2B subunit for these two drugs, with glutamate 201 being critical for haloperidol sensitivity and arginine 337 being...
BACKGROUND Microglia might play an important role in nociceptive processing and hyperalgesia by neuroinflammatory process. Mineralocorticoid receptor (MR) expressed on microglia might play a central role in the modulation of microglia activity. However the roles of microglia and MR in radicular pain were not well understood. This study sought to investigate whether selective MR antagonist spiro...
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