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The excitatory amino acid analogues L-glutamate (L-Glu), L-aspartate (L-Asp), D-Asp, and trans-(+-)-1-amino-1,3-cyclopentanedicarboxylate (trans-ACPD) stimulate the hydrolysis of phosphoinositides (PI). In the present studies, the effects of noncompetitive and competitive inhibitors on PI hydrolysis stimulated by excitatory amino acid analogues were(More)
Bipolar depression is a severe, potentially lethal disorder for which there are no specific, FDA-indicated pharmacotherapies. Research in this area has been limited, and most treatments are based on unsupported extrapolation from the treatment of unipolar depression, or follow guidelines derived largely from the clinical practice experience of experts in(More)
L-Glutamic acid (L-Glu) and L-aspartic acid (L-Asp) activate several receptor subtypes, including metabotropic Glu receptors coupled to phosphoinositide (PI) hydrolysis. Quisqualic acid (Quis) is the most potent agonist of these receptors. There is evidence that activation of these receptors may cause a long lasting sensitization of neurons to(More)
Excitatory amino acid (EAA) analogues activate receptors that are coupled to the increased hydrolysis of phosphoinositides (PIs). In these studies, hippocampal slices were prepared from neonatal rats (6-11 days old) to characterize the effects of EAA analogues on these receptors. The concentrations of ibotenate and(More)
Atypical antipsychotics are now commonly used in the treatment of bipolar disorder, as they have been shown to have effects on mania as well as psychosis. Shortly after the introduction of atypical antipsychotics, several cases of associated hypomania and mania were reported. Ziprasidone is an atypical antipsychotic recently approved by the Food and Drug(More)
The excitatory amino acid (EAA) analogues quisqualate, ibotenate, and trans-(+/-)-1-amino-1,3-cyclopentanedicarboxylate (trans-ACPD) activate the metabotropic EAA receptors that are coupled to the hydrolysis of phosphoinositides (PI). Previous studies of hippocampal cross sections demonstrated that PI hydrolysis stimulated by these agonists can be inhibited(More)
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