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In preclinical studies, [R-(+)-alpha-(2,3-dimethoxyphenyl)-1-[2-(4-fluorophenyl)ethyl]-4- piperidinemethanol] [formula: see text] (MDL 100,907), a putative atypical antipsychotic, was characterized in vitro as a potent and selective ligand for the serotonin2A (5-HT2A) receptor and was evaluated in vitro and in vivo as a potent 5-HT2A receptor antagonist.(More)
The normalization of excessive glutamatergic neurotransmission through the activation of metabotropic glutamate 2 (mGlu2) receptors may have therapeutic potential in a variety of psychiatric disorders, including anxiety/depression and schizophrenia. Here, we characterize the pharmacological properties of(More)
Previous work has suggested that N-methyl-d-aspartate (NMDA) receptor antagonism and 5-hydroxytryptamine (5-HT)(2A) receptor blockade may enhance and attenuate, respectively, certain types of impulsivity mediated by corticothalamostriatal circuits. More specifically, past demonstrations of synergistic "antidepressant-like" effects of a 5-HT(2A) receptor(More)
The compound 5-(4-chlorophenyl)-2,4-dihydro-4-ethyl-3H-1,2,4-triazol-3-one (MDL 27,192) was evaluated in a variety of rodent models to assess its anticonvulsant profile and its potential neuroprotective activity. MDL 27,192 demonstrated anticonvulsant activity in a wide range of epilepsy models that are genetically-based (audiogenic seizures in the seizure(More)
We sought to determine sensitivity of the cortical impact injury model of traumatic brain injury (TBI) to severity of injury and to treatment. We examined the pattern of motor and cognitive deficits and recovery following TBI over a range of injury severities, and examined the efficacy of surface-induced moderate hypothermia at three disparate injury(More)
1. Strychnine-sensitive glycine receptors are primarily localized in the brainstem and spinal cord where they are the major mediators of postsynaptic inhibition. A compound which acts functionally like a glycine receptor agonist would be potentially useful as a pharmacological tool and as a therapeutic agent for treating disorders of glycinergic(More)
A C-4 hydroxylated metabolite (2, 3,3-dimethyl-3,4-dihydroisoquinolin-4-ol N-oxide) of the previously described cyclic nitrone free radical trap 1 (3,3-dimethyl-3,4-dihydroisoquinoline N-oxide, a cyclic analog of phenyl-tert-butylnitrone (PBN)) was isolated, identified, and synthesized. The metabolite (2), though a less potent antioxidant than 1 in an in(More)
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