نتایج جستجو برای: nmda receptor
تعداد نتایج: 594804 فیلتر نتایج به سال:
The main objective of this study was to establish the contribution of NMDA receptors to natural processing of somatosensory information within rat SI barrel cortex. Responses of 52 cells in layers I-IV of the rat barrel cortex were analyzed by PSTH (peristimulus histogram) analysis of evoked spikes in reply to brief deflections of the principal whisker in animals anesthetized with urethane. Sho...
anti-n-methyl-d-aspartate-receptor (nmda-r) encephalitis is a new autoimmune disorder, often paraneoplastic in nature, presenting with complex neuropsychiatric symptoms. diagnosed serologically, this disorder is often responsive to immunosuppressant treatment. we here in report the case of a 56-year-old man with anti nmda-r encephalitis presenting initially with disorientation and hallucination...
Anti-N-Methyl-D-Aspartate-Receptor (NMDA-R) encephalitis is a new autoimmune disorder, often paraneoplastic in nature, presenting with complex neuropsychiatric symptoms. Diagnosed serologically, this disorder is often responsive to immunosuppressant treatment. We here in report the case of a 56-year-old man with anti NMDA-R encephalitis presenting initially with disorientation and hallucinati...
We examined the effects of selective agonists of ionotropic excitatory amino acid (EAA) receptor subtypes on induction of the immediate early gene c-fos. We used in situ hybridization to measure c-fos mRNA and fura-2 imaging to measure intracellular calcium (Ca2+i) in individual dentate gyrus neurons maintained in vitro. Activation of either NMDA or non-NMDA receptor subtypes is sufficient to i...
To determine their roles in the assembly of glutamatergic postsynaptic sites, we studied the distributions of NMDA- and AMPA-type glutamate receptors; the NMDA receptor-interacting proteins alpha-actinin-2, PSD-95, and chapsyn; and the PSD-95-associated protein GKAP during the development of hippocampal neurons in culture. NMDA receptors first formed nonsynaptic proximal dendrite shaft clusters...
Prostaglandin E2 (PGE2), a major metabolite of arachidonic acid produced by cyclooxygenase pathways, exerts its bioactive responses by activating four E-prostanoid receptor subtypes, EP1, EP2, EP3, and EP4. PGE2 enables modulating N-methyl-D-aspartate (NMDA) receptor-mediated responses. However, the effect of E-prostanoid receptor agonists on large-conductance Ca(2+)-activated K(+) (BK) channel...
INTRODUCTION The NMDA receptor mediates a slow component of excitatory synaptic transmission, and NMDA receptor dysfunction has been implicated in numerous neurological disorders. Thus, interest in developing modulators that are capable of regulating the channel continues to be strong. Recent research has led to the discovery of a number of compounds that hold therapeutic and clinical value. De...
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. Here we report that in cultured mouse hippocampal neurons, glycine increases AMPA receptor-mediated currents independent of the channel activity of NMDA receptors and the activation of gly...
Cortical afferents excite striatal efferent neurons through activation of N-methyl-D-aspartate (NMDA) receptors, which can be modulated by D2 dopamine receptors. It is suggested that activation of PKA by D2 receptor blockade leads to NMDA receptor phosphorylation in the dendrites or phosphorylation of transcription factors in the nucleus. Thus, the levels and cellular localization of activated ...
The NMDA receptor is an important subtype glutamate receptor that acts as a nonselective cation channel highly permeable to both calcium (Ca2+) and sodium (Na+). The activation of NMDA receptors produces prolonged increases of intracellular Ca2+ concentration ([Ca2+]i) and thereby triggers downstream signaling pathways involved in the regulation of many physiological and pathophysiological proc...
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