• Hollmann, M. & Heinemann, S. Cloned glutamate receptors. (nature.com)
  • Ito, I. & Sugiyama, H. Roles of glutamate receptors in long-term potentiation at hippocampal mossy fiber synapses. (nature.com)
  • Activ- ity differentially regulates the surface expression of synaptic AMPA and NMDA glutamate receptors // Proc. (kiev.ua)
  • Glutamate and glutamate receptors in the vertebrate retina. (org.es)
  • signalling at excitatory forebrain synapses Glutamatergic synapses are situated on dendritic propionate (AMPA) receptor subunit levels (NR1, NR2A, spines containing postsynaptic densities (PSDs), which NR2B, GluR1 and GluR2) were analysed in the forebrain by allow glutamate receptors to anchor through interactions both western blot of homogenates and immunohistochemis- with scaffolding proteins. (health-articles.net)
  • Excitatory synaptic input to the substantia nigra mediated by glutamate is a key component of the regulation of dopamine cells, which express NMDA and non-NMDA glutamate receptors that contribute to the generation of synaptic responses [5,19]. (123dok.org)
  • However, long-term depression (LTD) induced either by group I metabotropic glutamate receptors (mGluRs) agonist or by paired-pulse low-frequency stimulation (PP-LFS) was impaired in CDK4 inhibitor pretreated slices both from neonatal and adolescent animals. (biomedcentral.com)
  • While frequency facilitation at this synapse is limited by endogenous activation of presynaptic metabotropic glutamate receptors (mGluRs), whether MF-PTP can be regulated in an activity-dependent manner is unknown. (eneuro.org)
  • PCP's rewarding and reinforcing effects are at least partly mediated by blocking the NMDA receptors in the glutamatergic inputs to D1-type medium spiny neurons in the nucleus accumbens. (wikipedia.org)
  • The actions of the endogenous ORL 1 -receptor ligand nociceptin on the membrane properties and synaptic currents in rat periaqueductal gray (PAG) neurons were examined by the use of whole-cell patch-clamp recording in brain slices. (jneurosci.org)
  • Central sensitization is a process whereby nociceptive neurons and circuits exhibit increased function in response to activity, inflammation, or injury through a variety of processes that include changes in receptor field size, increases in neuronal excitability, increases in synaptic efficiency/coupling, and changes in neuronal connectivity ( Latremoliere and Woolf, 2009 ). (nature.com)
  • Using whole-cell voltage clamp recording and local extra- cellular stimulation we investigated evoked inhibitory postsyn- aptic currents (IPSCs) in cultured rat hippocampal neurons grown in the presence of GABAA receptor antagonist - bicuculline (20мM) and in control conditions. (kiev.ua)
  • 9. Mhatre M.C., Ticku M.K. Chronic GABA treatment downregulates the GABAA receptor alpha 2 and alpha 3 subunit mRNAS as well as polypeptide expression in primary cultured cerebral cortical neurons // Brain Res. (kiev.ua)
  • gamma- Aminobutyric acid (GABA) induces a receptor-medi- ated reduction in GABAA receptor alpha subunit messenger RNAs in embryonic chick neurons in culture // J. Biol. (kiev.ua)
  • Rao A., Craig A.M. Activity regulates the synaptic localization of the NMDA receptor in hippocampal neurons // Neuron. (kiev.ua)
  • Many structures and processes are involved in the development of a seizure, including neurons, ion channels, receptors, glia, and inhibitory and excitatory synapses. (medscape.com)
  • Yamaguchi T, Goto A, Nakahara I, Yawata S , Hikida T , Matsuda M, Funabiki K , Nakanishi S . Role of PKA signaling in D2 receptor-expressing neurons in the core of the nucleus accumbens in aversive learning. (neurotree.org)
  • Danjo T, Yoshimi K, Funabiki K , Yawata S , Nakanishi S . Aversive behavior induced by optogenetic inactivation of ventral tegmental area dopamine neurons is mediated by dopamine D2 receptors in the nucleus accumbens. (neurotree.org)
  • The serotonin-1A (5-HT1A) receptor is among the most abundant and widely distributed 5-HT receptors in the brain, but is also expressed on serotonin neurons as an autoreceptor where it plays a critical role in regulating the activity of the entire serotonin system. (biomedcentral.com)
  • this is flanked by a series of upstream repressor elements for REST, Freud-1/CC2D1A and Freud-2/CC2D1B factors that not only restrict its expression to neurons, but may also regulate the level of expression of 5-HT1A receptors in various subsets of neurons, including serotonergic neurons. (biomedcentral.com)
  • Elevated 5-HT1A autoreceptor expression would tend to reduce the activity of 5-HT neurons, while reduced post-synaptic 5-HT1A receptors would result in a blunted behavioral response to 5-HT. (biomedcentral.com)
  • By enhancing synaptic transmission , LTP improves the ability of two neurons, one presynaptic and the other postsynaptic, to communicate with one another across a synapse. (wikidoc.org)
  • These forms of plasticity are due to increases in presynaptic neurotransmitter release, and can be engaged when dentate GCs fire in bursts (e.g., during exploratory behaviors) and bring CA3 pyramidal neurons above threshold. (eneuro.org)
  • In the current study, the authors investigated the effects of remifentanil hydrochloride, with and without its vehicle, glycine, on the activation of NMDA receptors and the modulation of NMDA-induced current on neurons inside the lamina II from the dorsal horn of rat spinal cord. (silverchair.com)
  • This study examined the behavioral changes and the expression level of NMDA receptor subunits in a rat model of Chronic Constriction Injury (CCI). (siftdesk.org)
  • The expression pattern of the glutamate receptor subunits of NR2A, NR2B, and NR3B was assessed in spinal cord tissue in lumbar segments using Real-Time PCR technique. (siftdesk.org)
  • Hippocampal mossy fiber synapses show an unusual form of long-term potentiation (LTP) that is independent of NMDA receptor activation and is expressed presynaptically. (nature.com)
  • Tong, G., Malenka, R.C. & Nicoll, R.A. Long-term potentiation in cultures of single hippocampal granule cells: a presynaptic form of plasticity. (nature.com)
  • We used an in vitro model of cerebral ischemia (oxygen-glucose deprivation) to examine changes in [Cl - ] i and GABA A receptor-mediated responses in hippocampal slices from adult rats. (jneurosci.org)
  • We conclude that chronic block of GABAA receptors enhances efficacy of GABAergic synaptic transmission in rat hippocampal cell cultures and this effect is likely to postsynaptic mechanism(s) because IPSC increase was not accompanied with changes of IPSC coefficient of variation. (kiev.ua)
  • NMDA receptor activation limits the number of synaptic con- nections during hippocampal development // Nat. (kiev.ua)
  • Selec- tive glutamate receptor antagonists can induce or pre- vent axonal sprouting in rat hippocampal slice cultures // Proc. (kiev.ua)
  • Homeostatic plasticity induced by chronic block of AMPA/kainate receptors modulates the generation of rhythmic bursting in rat spinal cord organotypic cultures // Eur. (kiev.ua)
  • Data from self-report questionnaires suggest that three neuropharmacological classes of drugs can induce ego dissolution: classical psychedelics, dissociative anesthetics and agonists of the kappa opioid receptor (KOR). (frontiersin.org)
  • Electrical stimulation of CeA in rodents produces analgesic effects that are blocked either by lidocaine 'silencing' of PAG or by blocking opioid receptors in PAG, suggesting that CeA-to-PAG projections are critical for the role of CeA signaling in modulating the nocifensive response ( Oliveira and Prado, 2001 ). (nature.com)
  • Such effect was completely reversed both by the opioid receptor antagonist naloxone and by the unselective muscarinic receptor antagonist atropine. (researchgate.net)
  • Dynorphins prefer kappa-opioid receptors (RECEPTORS, OPIOID, KAPPA) and have been shown to play a role as central nervous system transmitters. (lookformedical.com)
  • Application of remifentanil hydrochloride potentiated the NMDA-induced inward current, and this potentiation was abolished by the mu-opioid receptor antagonist naloxone. (silverchair.com)
  • Induced NMDA current is potentiated by application of remifentanil hydrochloride through a pathway involving the mu-opioid receptor. (silverchair.com)
  • 2) Specific neurotransmitter receptors are localized on the postsynaptic cells, and (3) there exists a mechanism to stop neurotransmitter release and clear molecules from the cleft. (org.es)
  • Using receptor antagonists, as well as receptor knockout mice, we found that presynaptic kainate receptors facilitate the induction of mossy fiber long-term potentiation (LTP), although they are not required for this form of LTP. (nature.com)
  • Anesthetic effects of progesterone are undiminished in progesterone receptor knockout mice. (tamu.edu)
  • To explore if the strength of MMN generation reflects the functional condition of the NMDAR system in healthy volunteers, we analyzed correlations between MMN recorded before drug administration and subsequent responses to the NMDAR antagonist ketamine or the 5-HT2a agonist psilocybin. (neurotransmitter.net)
  • A selective D1 dopamine receptor agonist used primarily as a research tool. (lookformedical.com)
  • The chemical messenger, or neurotransmitter, provides a way to send the signal across the extracellular space, from the presynaptic neuron to the postsynaptic cell. (org.es)
  • When the presynaptic neuron is stimulated, calcium channels open and the influx of calcium ions into the axon terminal triggers a cascade of events leading to the release of neurotransmitter. (org.es)
  • For example, the serotonin-1a receptor is both a mediator and inhibitor of serotonin depending on whether it is on the pre synaptic or postsynaptic neuron . (nootropicsexpert.com)
  • The high affinity tyrosine kinase receptor, TrkB, is the primary receptor for brain derived neurotrophic factor (BDNF) and plays an important role in development, maintenance and plasticity of the striatal output medium size spiny neuron. (biomedcentral.com)
  • Many molecular mechanisms engage in the development of neuropathic pain, among which spinal cord NMDA receptors play a significant role in neuropathic sensitivity. (siftdesk.org)
  • While most research on TRPV1 receptors has been conducted at the level of the spinal cord and peripheral structures, considerably less research has focused on supraspinal structures. (biomedcentral.com)
  • Hikida T , Yawata S , Yamaguchi T, Danjo T, Sasaoka T, Wang Y, Nakanishi S . Pathway-specific modulation of nucleus accumbens in reward and aversive behavior via selective transmitter receptors. (neurotree.org)
  • Given the apparent ease with which these robust forms of presynaptic potentiation are elicited at the MF-CA3 synapse, one might expect a process by which the connection is negatively regulated. (eneuro.org)
  • Once released, the neurotransmitter diffuses across the cleft and binds to receptors on the postsynaptic cell, allowing the signal to propagate. (org.es)
  • [3] These signals, in the form of neurotransmitter molecules, are received by neurotransmitter receptors present on the surface of the postsynaptic cell. (wikidoc.org)
  • LTP improves the postsynaptic cell's sensitivity to neurotransmitter in large part by increasing the activity of existing receptors and by increasing the number of receptors on the postsynaptic cell surface. (wikidoc.org)
  • BACKGROUND: Previous studies indicate that mismatch negativity (MMN)-a preattentive auditory event-related potential (ERP)-depends on NMDA receptor (NMDAR) functioning. (neurotransmitter.net)
  • CONCLUSIONS: Smaller MMN indicates a NMDAR system that is more vulnerable to disruption by the NMDAR antagonist ketamine. (neurotransmitter.net)
  • Previously the NMDA (N-methyl-D-aspartate) receptor (NMDAR) antagonist ketamine was shown to disrupt generation of the auditory event-related potential (ERP) mismatch negativity (MMN) and the performance of an 'AX'-type continuous performance test (AX-CPT)--measures of auditory and visual context-dependent information processing--in a similar manner as observed in schizophrenia. (neurotransmitter.net)
  • Сhronic block of some of transmitter receptors is often used as a model for studying homeostatic plasticity. (kiev.ua)
  • Yawata S , Yamaguchi T, Danjo T, Hikida T , Nakanishi S . Pathway-specific control of reward learning and its flexibility via selective dopamine receptors in the nucleus accumbens. (neurotree.org)
  • lies such as G protein-coupled receptors and kinases). (gotomydoctor.com)
  • [12] The human brain has more cannabinoid receptors than any other G protein-coupled receptor (GPCR) type. (cloudfront.net)
  • Moreover, neuromodulators control the activity of these proteins through G-protein coupled receptor signaling cascades. (frontiersin.org)
  • Neuromodulatory transmitters engage G-protein coupled receptors (GPCRs), activating intracellular signaling cascades that then can directly activate or modify the properties of ion channels. (frontiersin.org)
  • A subfamily of G-PROTEIN-COUPLED RECEPTORS that bind the neurotransmitter DOPAMINE and modulate its effects. (lookformedical.com)
  • An elevation of the intracellular calcium level, which is mediated by N-methyl-D-aspartate receptors and L-type Ca2+ channels both, activates the mitogen-activated protein (MAP) kinase signaling pathway involved in synaptic modification. (asahq.org)
  • The expression of c-Fos induced by potassium chloride was also suppressed by dibucaine, tetracaine (concentrations that inhibited 50% of the activity of positive control [IC50s] were 16.2+/-0.2 and 73.2+/-0.7 microM, respectively), and PD 98059, a mitogen-activated/extracellular receptor-regulated kinase inhibitor. (asahq.org)
  • 5 MAP kinase has been shown to be activated by calcium influx through both N -methyl-D-aspartate (NMDA) receptors and L-type Ca 2+ channels. (asahq.org)
  • The release of mouse from the conversion in kinase shows STIM1 to confer with ORAI and TRPC1 levels in the hydrolase binding, depending in an Expression of due complex antagonists( Muik et al. (erik-mill.de)
  • TrkB is encoded by the gene, Neurotrophic tyrosine kinase, receptor, type 2 ( Ntrk2 ). (biomedcentral.com)
  • Kirischuk S., Veselovsky N., Grantyn R. Relationship between presynaptic calcium transients and postsyn- aptic currents at single gamma-aminobutyric acid (GABA)ergic boutons // Proc. (kiev.ua)
  • Neuroactive glutamate is stored in synaptic vesicles in presynaptic axon terminals (Fykse and Fonnum, 1996). (org.es)
  • 1994). Though Muller cells take up glutamate, they do not label with glutamate antibodies (Jojich and Pourcho, 1996). (org.es)
  • The sustained increase in [Cl - ] i was not blocked by GABA A receptor antagonists. (jneurosci.org)
  • PR-independent neurosteroid regulation of 2-GABA-A receptors in the hippocampus subfields. (tamu.edu)
  • However, the mechanisms underlying these differential changes in 5-HT1A receptor expression remain unclear. (biomedcentral.com)
  • Remifentanil hydrochloride contained in Ultiva (GlaxoSmithKline, Genval, Belgium) has been incriminated in difficult postoperative pain management, promotion of hyperalgesia, and direct N-methyl-D-aspartate (NMDA) receptor activation, but the involved mechanisms have remained unclear. (silverchair.com)
  • PCP works primarily as an NMDA receptor antagonist. (wikipedia.org)
  • Cannabinoids ( / k ə ˈ n æ b ə n ɔɪ d z ˌ ˈ k æ n ə b ə n ɔɪ d z / ) are several structural classes of compounds found in the cannabis plant primarily and most animal organisms (although insects lack such receptors) or as synthetic compounds. (cloudfront.net)
  • CB 1 receptors are found primarily in the brain , more specifically in the basal ganglia and in the limbic system , including the hippocampus [11] and the striatum . (cloudfront.net)
  • Weisskopf, M.G. & Nicoll, R.A. Presynaptic changes during mossy fibre LTP revealed by NMDA receptor-mediated synaptic responses. (nature.com)
  • Remifentanil hydrochloride does not induce any current, whereas 3 mm glycine induced a current that was abolished by the specific NMDA glutamate site antagonist D-2-amino-5-phosphonovalerate. (silverchair.com)
  • Thus, nociceptin had a presynaptic inhibitory effect on transmitter release. (jneurosci.org)
  • The pain can be caused by damage to afferent nerve fibers and sensitization of afferent terminal due to the release of neuropeptides, or an increase in the number of sodium and calcium channels in the site of damage and changes in neurotransmitter and receptors, especially the increase in alpha-adrenergic receptors [ 4 , 5 ]. (siftdesk.org)
  • A variety of molecules and proteins interact with and/or modulate the TRPV1 receptor. (biomedcentral.com)
  • These results show that remifentanil hydrochloride does not directly activate NMDA receptors. (silverchair.com)
  • Neuroactive glutamate is classified as an excitatory amino acid (EAA) because glutamate binding onto postsynaptic receptors typically stimulates, or depolarizes, the postsynaptic cells. (org.es)
  • D2-class receptor genes contain INTRONS, and the receptors inhibit ADENYLYL CYCLASES. (lookformedical.com)
  • These studies implicate the 5-HT1A receptor as an important determinant of predisposition to mental illness. (biomedcentral.com)
  • In addition, the results of the glutamate receptor expression suggest that increasing the expression of the NR2B subunit may be considered as a mechanism for the development of neuropathic pain. (siftdesk.org)
  • Chronic neonatal nicotine upregulates heteromeric nicotinic acetylcholine receptor binding without change in subunit mRNA expression. (tamu.edu)
  • This short paper summarizes progress made on TRPV1 receptors, and reviews research on the expression and function of TRPV1 receptors in supraspinal structures. (biomedcentral.com)
  • In this review, we highlight studies that report the expression and function of the TRPV1 receptor in supraspinal structures, with particular emphasis on brain regions involved in the processing of pain. (biomedcentral.com)
  • However, no TRPV1 receptor expression was detected in the brain. (biomedcentral.com)
  • We sought to examine the role of the TrkB receptor in mature MSNs in adult male and female mice, with a focus on behavior and gene expression. (biomedcentral.com)
  • We studied whether chronic block of GABAA receptors can affect GABAergic transmis- sion. (kiev.ua)
  • A possibility that the effect of chronic block of GABAA receptors on GABAergic transmission is mediated by neurotrophin BDNF is discussed. (kiev.ua)
  • Considering that both components of Ultiva (remifentanil hydrochloride and glycine) could be involved in NMDA receptor activation, experiments were performed first with remifentanil hydrochloride, second with glycine, and third with the two components within Ultiva. (silverchair.com)
  • Alterations in 5-HT1A receptor levels are commonly observed in depressed individuals. (biomedcentral.com)
  • 1994. Inc. 5 Transcription: Sending a Messenger A cells DNA contains the instructions for making proteins. (forexinfolink.com)
  • Neurotransmitters are synthesized in the presynaptic cell and stored in vesicles in presynaptic processes, such as the axon terminal. (org.es)
  • Yet in the most well understood form of LTP, enhanced communication is predominantly carried out by improving the postsynaptic cell's sensitivity to signals received from the presynaptic cell. (wikidoc.org)
  • Systemic blockade of corticotropin-releasing factor (CRF) type 1 receptors (CRFR1s) reduces stress-induced thermal hyperalgesia. (nature.com)
  • Avoiders exhibited thermal hyperalgesia that was reversed by systemic or intra-CeA injection of a CRFR1 antagonist. (nature.com)
  • Finally, intra-CeA infusion of tetrodotoxin produced thermal hyperalgesia in unstressed rats and blocked the anti-hyperalgesic effect of systemic CRFR1 antagonist in stressed rats. (nature.com)
  • adrenergic receptor antagonists i.e. typically propranolol (Inderal) are used in management of hypertrophic obstructive cardiomyopathy. (pharmacology2000.com)
  • Neurotransmitter molecules can also bind onto presynaptic autoreceptors and transporters, regulating subsequent release and clearing excess neurotransmitter from the cleft. (org.es)
  • CB 1 receptors are absent in the medulla oblongata , the part of the brain stem responsible for respiratory and cardiovascular functions. (cloudfront.net)
  • These cannabinoids produce the effects associated with cannabis by binding to the CB 1 cannabinoid receptors in the brain. (cloudfront.net)
  • We suggest that the TRPV1 receptor may be involved in pain processing in higher brain structures, such as the anterior cingulate cortex. (biomedcentral.com)
  • In addition, some regions of the brain utilize the TRPV1 receptor for functions apparently unrelated to pain. (biomedcentral.com)
  • Collectively, these results suggest that the TRPV1 receptor is not expressed in the brain. (biomedcentral.com)
  • This study revealed a wide distribution of TRPV1 receptors in the brain, including regions of the cerebral cortex, cerebellum and a variety of subcortical structures. (biomedcentral.com)
  • 3 beta ( GSK-3β), N-methyl-D-aspartate (NMDA) receptor, monoamine oxidases (MAOs), metal ions in the brain, 5-hydroxytryptamine (5-HT) receptors, the third subtype of histamine receptor (H 3 receptor), to phosphodiesterases (PDEs), along with a summary of their respective relationship to the disease network. (encyclopedia.pub)