نتایج جستجو برای: nmda receptor subunits
تعداد نتایج: 628440 فیلتر نتایج به سال:
Activation and Thr286 autophosphorylation of calcium/calmodulindependent kinase II (CaMKII) following Ca2+ influx via N-methyl-D-aspartate (NMDA)-type glutamate receptors is essential for hippocampal long term potentiation (LTP), a widely investigated cellular model of learning and memory. Here, we show that NR2B, but not NR2A or NR1, subunits of NMDA receptors are responsible for autophosphory...
Although the trafficking of AMPA receptors has received much recent fanfare as a mechanism for synaptic plasticity, NMDA receptors have received less attention in this regard. However, Scott et al. now show that independent regions within the cytoplasmic domains of NMDA receptor type 1 (NR1) and NMDA receptor type 2 (NR2) subunits target NMDA receptors for internalization. Interestingly, the re...
Peripheral inflammation or nerve injury induces a primary afferent barrage into the spinal cord, which can cause N-methyl D-aspartate (NMDA) receptor-dependent alterations in the responses of dorsal horn sensory neurons to subsequent afferent inputs. This plasticity, such as "wind-up" and central sensitization, contributes to the hyperexcitability of dorsal horn neurons and increased pain-relat...
PURPOSE To investigate the effects and mechanisms of Kangxian (KX) capsules on hippocampal neuron convulsive injuries. METHODS An epileptic discharge model was prepared with hippocampal neurons and divided into groups that were subjected to control, Mg-free, MK801, or anti-epilepsy (KX) interventions for 6 or 24h. The N-methyl-d-aspartate (NMDA) receptor channel current was recorded with a wh...
Opening of the NMDA receptor channel requires simultaneous binding of glutamate and glycine. Although the binding sites for each agonist are in different subunits, the presence of one agonist influences the binding of the other. We have localized regions in the S1 binding domain of both subunits required for the transmission of allosteric signals from the glutamate binding NR2A subunit to the g...
Quantitative in situ hybridization revealed that following the induction of hippocampal long-term potentiation (LTP) in the dentate gyrus of freely moving rats, specific increases in the expression of the NR2B subunit of the N-methyl-D-aspartate (NMDA) receptor and mGluR1c, a short splice variant of the metabotropic glutamate receptors that are linked intracellularly to phospholipase C (PLC) an...
BACKGROUND Whether the occurrence of postoperative cognitive dysfunction is a result of the effects of surgery or anesthesia is under debate. In this study, we investigated the impact of sevoflurane anesthesia on cognitive performance and cellular mechanisms involved in learning and memory. METHODS Male C57Bl6/J mice (4-5 months) were exposed to one minimum alveolar concentration sevoflurane ...
NMDA receptors are composed of multiple subunits and are crucial in the induction of synaptic plasticity and learning and memory. In this study, application of the group I mGlu receptor agonist, DHPG, caused LTD of NMDA-EPSCs (DHPG-LTDNMDA) of the Schaffer collateral, but not of NMDA-EPSCs of the temperoammonic pathway onto CA1 neurons of the hippocampus. DHPGLTDNMDA did not alter the sensitivi...
N-methyl-d-aspartate (NMDA) receptors are expressed throughout the kidney, and the abundance of these receptors and some of their endogenous agonists are increased in diabetes. Moreover, sustained activation of podocyte NMDA receptors induces Ca(2+) influx, oxidative stress, loss of slit diaphragm proteins, and apoptosis. We observed that NMDA receptor subunits and their transcripts are increas...
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