Results 211 to 220 of about 44,093 (262)
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(S)-Homo-AMPA, a Specific Agonist at the mGlu6 Subtype of Metabotropic Glutamic Acid Receptors

Journal of Medicinal Chemistry, 1997
Our previous publication (J. Med. Chem. 1996, 39, 3188-3194) described (RS)-2-amino-4-(3-hydroxy-5-methylisoxazol-4-yl)butyric acid (Homo-AMPA) as a highly selective agonist at the mGlu6 subtype of metabotropic excitatory amino acid (EAA) receptors.
Ahmadian, H   +9 more
openaire   +4 more sources

Activation of metabotropic glutamate receptor 3 enhances interleukin (IL)-1β-stimulated release of IL-6 in cultured human astrocytes

Neuroscience, 2005
Previous studies have demonstrated that human astrocytes express mRNA and receptor protein for group I and II metabotropic glutamate receptors (mGluRs). Whether these receptors can influence the inflammatory and immune response and can modulate the capacity of astrocytes to produce inflammatory cytokines is still unclear.
Aronica, E.   +4 more
openaire   +6 more sources

Changes in the Gene Expression of GABAA Receptor α1 and α2 Subunits and Metabotropic Glutamate Receptor 5 in the Basal Ganglia of the Rats with Unilateral 6-Hydroxydopamine Lesion and Embryonic Mesencephalic Grafts

open access: closedExperimental Neurology, 2001
By using an animal model of parkinsonism, we examined the expression of GABA(A) receptor (R) and metabotropic glutamate receptor (mGluR) 5 in the basal ganglia after transplantation with dopamine-rich tissue. The adult rats were unilaterally lesioned by the injection of 6-hydroxydopamine to their left medial forebrain bundles.
Tzong‐Shiue Yu   +3 more
openalex   +4 more sources

Decreased metabotropic glutamate receptor type 1 availability in a patient with spinocerebellar ataxia type 6: A 11C-ITMM PET study

Journal of the Neurological Sciences, 2015
Imaging of metabotropic glutamate receptor type 1 (mGluR1), localized exclusively in the cerebellar Purkinje cells and related to cerebellar function, has recently become possible using positron emission tomography (PET). We report the initial mGluR1 imaging in a 74-year-old woman with spinocerebellar ataxia type 6 (SCA6).The patient and 9 age-matched ...
Yoshiharu Miura   +4 more
openaire   +3 more sources

Mutational Analysis and Molecular Modeling of the Binding Pocket of the Metabotropic Glutamate 5 Receptor Negative Modulator 2-Methyl-6-(phenylethynyl)-pyridine

Molecular Pharmacology, 2003
Metabotropic glutamate (mGlu) 5 is a G-protein-coupled metabotropic glutamate receptor that plays an important role as a modulator of synaptic plasticity, ion channel activity, and excitotoxicity. 2-Methyl-6-(phenylethynyl)-pyridine (MPEP) is a highly potent, noncompetitive, selective, and systemically active antagonist of mGlu5 receptors.
Marie-Théeése Zenner   +7 more
openaire   +3 more sources

Activation of spinal group I metabotropic glutamate receptors in rats evokes local glutamate release and spontaneous nociceptive behaviors: effects of 2-methyl-6-(phenylethynyl)-pyridine pretreatment

Neuroscience Letters, 2002
Intrathecal (i.t.) administration of the group I metabotropic glutamate receptor (mGluR) agonist (RS)-3,5-dihydroxyphenylglycine ((RS)-3,5-DHPG) to rats produces an immediate display of spontaneous nociceptive behaviors (SNBs) persisting for up to 10 h after injection (NeuroReport 7 (1996) 2743).
Jeffery J. Anderson   +3 more
openaire   +3 more sources

Metabotropic glutamate receptor 5 antagonist 2-methyl-6-(phenylethynyl)pyridine produces antidepressant effects in rats: Role of brain-derived neurotrophic factor

Neuroscience, 2012
Recent studies highlight that the brain glutamate system is involved in the etiology of depression and glutamatergic-targeting drugs are currently being explored as novel antidepressant medications. Previous studies reveal that the selective metabotropic glutamate receptor 5 antagonist 2-methyl-6-(phenylethynyl)pyridine (MPEP) produces antidepressant ...
Yonghui Zhu   +3 more
openaire   +3 more sources

Attenuation of Behavioral Effects of Cocaine by the Metabotropic Glutamate Receptor 5 Antagonist 2-Methyl-6-(phenylethynyl)-pyridine in Squirrel Monkeys: Comparison with Dizocilpine

The Journal of Pharmacology and Experimental Therapeutics, 2005
Growing evidence suggests a role for metabotropic glutamate receptors (mGluRs) in the behavioral effects of cocaine related to its abuse. The mGluR5 subtype, in particular, has come under scrutiny due to its distribution in brain regions associated with drug addiction.
Buyean Lee   +4 more
openaire   +3 more sources

Chronic, systemic treatment with a metabotropic glutamate receptor 5 antagonist in 6-hydroxydopamine partially lesioned rats reverses abnormal firing of dopaminergic neurons

Brain Research, 2009
Increasing evidence indicates that the excessive glutamate release onto substantia nigra pars compacta (SNpc) dopaminergic neurons may play an important role in the progression of nigral degeneration. We examined the effects of chronic, systemic treatment with 2-methyl-6-(phenylethynyl)-pyridine (MPEP), a selective metabotropic glutamate receptor 5 ...
Qiao Jun Zhang   +7 more
openaire   +3 more sources

The metabotropic glutamate receptor antagonist 2‐methyl‐6‐(phenylethynyl) pyridine decreases striatal VGlut2 expression in association with an attenuation of L‐dopa‐induced dyskinesias

Synapse, 2011
AbstractThe striatal glutamatergic hyperactivity is considered critical in the development of levodopa‐induced dyskinesias (LID) in Parkinson's disease (PD). Pharmacological antagonism of the metabotropic glutamate receptors (mGluRs), in particular, the subtype mGluR5, can inhibit the expression of dyskinesia in both rodent and nonhuman primate models ...
Concepció Marin   +3 more
openaire   +3 more sources

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