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Marie Lise Frandemiche et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 34(17), 6084-6097 (2014-04-25)
Tau is a microtubule-associated protein well known for its stabilization of microtubules in axons. Recently, it has emerged that tau participates in synaptic function as part of the molecular pathway leading to amyloid-beta (Aβ)-driven synaptotoxicity in the context of Alzheimer's
Xuan Ling Hilary Yong et al.
Cell reports, 36(1), 109338-109338 (2021-07-08)
NMDA receptor (NMDAR)-dependent Ca2+ influx underpins multiple forms of synaptic plasticity. Most synaptic NMDAR currents in the adult forebrain are mediated by GluN2A-containing receptors, which are rapidly inserted into synapses during long-term potentiation (LTP); however, the underlying molecular mechanisms remain
María Sancho-Alonso et al.
International journal of molecular sciences, 24(24) (2023-12-23)
Hyperammonemia contributes to hepatic encephalopathy. In hyperammonemic rats, cognitive function is impaired by altered glutamatergic neurotransmission induced by neuroinflammation. The underlying mechanisms remain unclear. Enhanced sphingosine-1-phosphate receptor 2 (S1PR2) activation in the cerebellum of hyperammonemic rats contributes to neuroinflammation. in
Austin A Coley et al.
Scientific reports, 9(1), 9486-9486 (2019-07-03)
Postsynaptic density protein-95 (PSD-95) is a major regulator in the maturation of excitatory synapses by interacting and trafficking N-methyl-D-aspartic acid receptors (NMDAR) and α-amino-3-hydroxy-5-methyl-4-isox-azoleproprionic acid receptors (AMPAR) to the postsynaptic membrane. PSD-95 disruption has recently been associated with neuropsychiatric disorders
Hai-Long Zhang et al.
Neuroscience bulletin, 37(12), 1645-1657 (2021-07-07)
Steroid hormones play important roles in brain development and function. The signaling of steroid hormones depends on the interaction between steroid receptors and their coactivators. Although the function of steroid receptor coactivators has been extensively studied in other tissues, their
Identification of a Glutamatergic Claustrum-Anterior Cingulate Cortex Circuit for Visceral Pain Processing.
Xu, et al.
The Journal of Neuroscience, 42, 8154-8168 (2023)
Genetic deletion of NR3A accelerates glutamatergic synapse maturation.
Henson, MA; Larsen, RS; Lawson, SN; Perez-Ota?o, I; Nakanishi, N; Lipton, SA; Philpot, BD
Testing null
Erin P McEachern et al.
Neuropharmacology, 179, 108277-108277 (2020-08-21)
Postsynaptic Density Protein-95 (PSD-95) is a major scaffolding protein in the excitatory synapses in the brain and a critical regulator of synaptic maturation for NMDA and AMPA receptors. PSD-95 deficiency has been linked to cognitive and learning deficits implicated in
Dongdong Li et al.
Experimental neurology, 230(2), 302-310 (2011-05-31)
Continuous exposure of cultured cortical neurons to moderate hypoxia (1% O(2)) elevates cellular accumulation of hypoxia-inducible factor-1α (HIF-1α) and improves basal survival of cultured cortical neurons. We examined the effects of adaptation to moderate hypoxia on the vulnerability of cultured
Yelena Gulchina et al.
Journal of neurochemistry, 143(3), 320-333 (2017-06-20)
Schizophrenia (SCZ) is characterized not only by psychosis, but also by working memory and executive functioning deficiencies, processes that rely on the prefrontal cortex (PFC). Because these cognitive impairments emerge prior to psychosis onset, we investigated synaptic function during development
M P García-Pardo et al.
The European journal of neuroscience, 50(3), 2623-2634 (2018-10-03)
Exposure to social stress alters the response to drugs of abuse of experimental animals. Changes in the glutamatergic system seem to play a role in the effects of social defeat stress on the rewarding properties of cocaine and amphetamine. The
Michele Malaguarnera et al.
Frontiers in pharmacology, 10, 132-132 (2019-03-13)
Patients with liver cirrhosis may develop minimal hepatic encephalopathy (MHE) with mild cognitive impairment. Hyperammonemia is a main contributor to cognitive impairment in MHE, which is mediated by neuroinflammation. GABAergic neurotransmission is altered in hyperammonemic rats. We hypothesized that, in
Brooke N Bender et al.
Neuropharmacology, 182, 108403-108403 (2020-11-17)
Cue exposure therapy (CET) reduces craving induced by drug-associated cues in individuals with substance use disorders. A preclinical model of CET, cue extinction, similarly reduces cue-induced cocaine seeking in rodent self-administration models; however, those models may not capture the habitual
José Gulfo et al.
PloS one, 16(2), e0246930-e0246930 (2021-02-17)
Corticosteroid-binding globulin (CBG) is the specific carrier of circulating glucocorticoids, but evidence suggests that it also plays an active role in modulating tissue glucocorticoid activity. CBG polymorphisms affecting its expression or affinity for glucocorticoids are associated with chronic pain, chronic
Sarah A Monaco et al.
Frontiers in cellular neuroscience, 12, 16-16 (2018-02-17)
Glycogen synthase kinase 3β (GSK3β) is a highly conserved serine/threonine kinase that has been implicated in both psychiatric and neurodegenerative diseases including schizophrenia, bipolar disorder, and Alzheimer's disease; therefore regulating its activity has become an important strategy for treatment of
Meng-Lin Li et al.
Experimental neurology, 273, 190-201 (2015-09-06)
Targeting group II metabotropic glutamate receptors (mGluR2/3) has been proposed to correct the dysfunctional glutamatergic system, particularly NMDA receptor (NMDAR) hypofunction, for treatment of schizophrenia. However, how activation of mGluR2/3 affects NMDAR function in adult animals remains elusive. Here we
Benjamin Lassus et al.
Scientific reports, 8(1), 17461-17461 (2018-12-01)
Although the prefrontal cortex and basal ganglia are functionally interconnected by parallel loops, cellular substrates underlying their interaction remain poorly understood. One novel approach for addressing this issue is microfluidics, a methodology which recapitulates several intrinsic and synaptic properties of
Meng-Lin Li et al.
Neurobiology of learning and memory, 140, 52-61 (2017-02-19)
Schizophrenia (SCZ) is a neurodevelopmental psychiatric disorder, in which cognitive function becomes disrupted at early stages of the disease. Although the mechanisms underlying cognitive impairments remain unclear, N-methyl-D-aspartate receptors (NMDAR) hypofunctioning in the prefrontal cortex (PFC) has been implicated. Moreover
Yasunobu Murata et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 33(11), 5040-5052 (2013-03-15)
Membrane-associated guanylate kinases (MAGUKs), including SAP102, PSD-95, PSD-93, and SAP97, are scaffolding proteins for ionotropic glutamate receptors at excitatory synapses. MAGUKs play critical roles in synaptic plasticity; however, details of signaling roles for each MAGUK remain largely unknown. Here we
Kalirin binds the NR2B subunit of the NMDA receptor, altering its synaptic localization and function.
Kiraly, DD; Lemtiri-Chlieh, F; Levine, ES; Mains, RE; Eipper, BA
The Journal of Neuroscience null
Meilin Tian et al.
Nature communications, 12(1), 4709-4709 (2021-08-07)
Allostery represents a fundamental mechanism of biological regulation that involves long-range communication between distant protein sites. It also provides a powerful framework for novel therapeutics. NMDA receptors (NMDARs), glutamate-gated ionotropic receptors that play central roles in synapse maturation and plasticity
Melissa A Snyder et al.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 38(2), 328-340 (2012-09-13)
The N-methyl-D-aspartate (NMDA) receptor has long been associated with learning and memory processes as well as diseased states, particularly in schizophrenia (SZ). Additionally, SZ is increasingly recognized as a neurodevelopmental disorder with cognitive impairments often preceding the onset of psychosis.
Yu-Xiang Zhang et al.
Neuropharmacology, 141, 113-125 (2018-08-31)
Epigenetic remodeling contributes to synaptic plasticity via modification of gene expression, which underlies cocaine-induced long-term memory. A prevailing hypothesis in drug addiction is that drugs of abuse rejuvenate developmental machinery to render reward circuitry highly plastic and thus engender drug
Laura A Kehoe et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 34(28), 9213-9221 (2014-07-11)
Synaptic rearrangements during critical periods of postnatal brain development rely on the correct formation, strengthening, and elimination of synapses and associated dendritic spines to form functional networks. The correct balance of these processes is thought to be regulated by synapse-specific
Chihiro Nozaki et al.
Nature neuroscience, 14(8), 1017-1022 (2011-07-05)
Zinc is abundant in the central nervous system and regulates pain, but the underlying mechanisms are unknown. In vitro studies have shown that extracellular zinc modulates a plethora of signaling membrane proteins, including NMDA receptors containing the NR2A subunit, which
Visualization of structural changes accompanying activation of N-methyl-D-aspartate (NMDA) receptors using fast-scan atomic force microscopy imaging.
Suzuki, Y; Goetze, TA; Stroebel, D; Balasuriya, D; Yoshimura, SH; Henderson, RM; Paoletti et al.
The Journal of Biological Chemistry null
Eloise Hudry et al.
Life science alliance, 2(1) (2019-02-15)
Apolipoprotein E (APOE) effects on brain function remain controversial. Removal of APOE not only impairs cognitive functions but also reduces neuritic amyloid plaques in mouse models of Alzheimer's disease (AD). Can APOE simultaneously protect and impair neural circuits? Here, we
Dilshan Balasuriya et al.
The Journal of biological chemistry, 288(30), 21987-21998 (2013-06-14)
Ionotropic glutamate receptors are widely distributed in the central nervous system and play a major role in excitatory synaptic transmission. All three ionotropic glutamate subfamilies (i.e. AMPA-type, kainate-type, and NMDA-type) assemble as tetramers of four homologous subunits. There is good
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