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The pharmacological profile of mGlu receptors negatively linked to adenylyl cyclase was characterized in adult rat striatal slices. Among the mGlu agonists tested, (+)-2-aminobicyclo-[3.1.0]-hexane-2,6-di carboxylate (LY354740), was the most potent inhibitor of forskolin-stimulated cAMP formation (EC50 = 11 +/- 2 nM). Inhibition of forskolin stimulation by(More)
The in vitro binding of [3H]LY354740, the first high affinity group II-selective metabotropic glutamate (mGlu) receptor radioligand, was characterized in rat cortical, hippocampal, and thalamic membranes as well as in rat brain sections. [3H]LY354740 binding was saturable in all regions investigated. Nonspecific binding (in the presence of 10 microM DCG-IV)(More)
In rat cortical primary cultures, group II- and III-metabotropic glutamate receptor-selective agonists concentration-dependently reduced KCl-induced [3H]GABA release, with IC50 values of 11 nM for LY354740, 80 nM for L(+)-2-amino-4-phosphonobutyric acid (L-AP4), 180 nM for DCG-IV, and 330 nM for L-SOP. The group II antagonists, LY341495 and EGLU, reversed(More)
This paper describes a novel software architecture, Competitive Workflow, which implements workflow as a distributed and competitive multi-agent system. The implementation of a competitive workflow architecture designed to model important computer-aided molecular design workflows, the Discovery Bus, is described. QSPR modelling results for three example(More)
1. The binding of the new selective group II metabotropic glutamate receptor radioligand, [3H]-(2S,2'R,3'R)-2-(2',3'-dicarboxycyclopropyl)glycine ([3H]-DCG IV), was characterized in rat mGlu2 receptor-transfected CHO cell membranes. 2. [3H]-DCG IV binding was pH-dependent, but was not sensitive to temperature. Saturation analysis showed the presence of a(More)
The Tracker project is studying rework in systems engineering projects. Our hypothesis is that providing decision makers with information about previous relevant decisions will assist in reducing the amount of rework in a project. We propose an architecture for the flexible integration of the tools implementing the variety of theories and models used in the(More)
The effects of the selective metabotropic glutamate receptor agonist 1-aminocyclopentane-trans-1,3-dicarboxylate (t-ACPD) on forskolin-stimulated cyclic AMP formation in guinea-pig cerebral cortex slices were determined. t-ACPD inhibited the accumulation of [3H]cyclic AMP by approximately 80%, with an IC50 value of 35 +/- 4 microM. The effect was reversible(More)
1. The effects of selective agonists at group I, II and III metabotropic glutamate receptors (mGluRs) on adenosine A2 receptor-mediated cyclic AMP formation were compared in cross-chopped slices of adult and neonatal (8 days old) rat striatum, in the presence of 1 u ml(-1) adenosine deaminase. 2. The group II selective agonist,(More)