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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)
OBJECTIVE Elevated levels of tumor necrosis factor alpha (TNFalpha) have been identified in the synovium of patients with reactive and undifferentiated arthritis, implicating TNFalpha in the pathogenesis of these disorders. This finding has provided a rationale for the use of TNFalpha antagonists in the treatment of reactive arthritis; however, the(More)
OBJECTIVE To compare the incidence and extent of coronary artery calcification (CAC) as measured by electron beam computed tomography (EBCT) in patients with systemic lupus erythematosus (SLE) and controls, and to identify variables associated with CAC in patients with SLE. METHODS Female patients with SLE and matched controls were recruited; EBCT of the(More)
L-657,743 (MK-912), a highly potent and selective alpha 2-adrenoceptor antagonist was tritiated to a high specific activity and its binding characteristics to brain tissue were determined. The specific binding of [3H]L-657,743 to rat cerebrocortex was saturable, reversible, and dependent on tissue concentration. In saturation studies, [3H]L-657,743 binding(More)
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