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The GABA (gamma-aminobutyric-acid)-containing periglomerular (PG) cells provide the first level of inhibition to mitral and tufted (M/T) cells, the output neurons of the olfactory bulb. We find that stimulation of PG cells of the rat olfactory bulb results in self-inhibition: release of GABA from an individual PG cell activates GABA(A) receptors on the same(More)
AMPA-type glutamate receptors mediate most excitatory postsynaptic currents (EPSCs) at central synapses, and their conductance determines in part the size of EPSCs. The conductance of a recombinant AMPA receptor depends on the number of agonist molecules bound to the channel. Here we tested whether native AMPA and kainate receptors show this behavior in(More)
CONTEXT Inhaled nitric oxide has been shown to improve oxygenation in acute lung injury. OBJECTIVE To evaluate the clinical efficacy of low-dose (5-ppm) inhaled nitric oxide in patients with acute lung injury. DESIGN AND SETTING Multicenter, randomized, placebo-controlled study, with blinding of patients, caregivers, data collectors, assessors of(More)
We measured the mechanical work performed by 12 acutely ill patients during synchronized intermittent mandatory ventilation to determine the influence of volume-cycled machine assistance on inspiratory timing, respiratory muscle force development, and external work output. The frequency and tidal volume of spontaneous breaths increased at lower levels of(More)
1. Although glutamate receptors have been shown to be involved in neuronal maturation, a developmental role for kainate-type receptors has not been described. In addition, the single-channel properties of native kainate receptors have not been studied in situ. We have characterized the electrophysiological properties of native kainate receptors of granule(More)
Delta9-Tetrahydrocannabinol (THC), the active component of marijuana, was studies to determine whether it might be useful for preanesthetic medication. Ten healthy subjects received THC intravenously in logarithmically spaced incremental doses. Four subjects received a total cumulatine dose of 135 mug/kg and four others, 201 mug/kg, Two of the ten subjects(More)
Functional electric stimulation (FES) is a technology that may allow patients with spinal cord injury (SCI) to transfer stand and walk. This paper reports upon the use of the Case Western Reserve Neuroprosthesis by a T6 ASIA B paraplegic subject. The subject was able to stand for two minutes and 50 seconds. He could walk 35 feet with a swing to gait.(More)
Pyrvinium pamoate, tablets and suspension, was administered as single 350-mg doses to 12 healthy male volunteers to determine whether there had been any systemic absorption. Six subjects received tablets and 6 received suspension on the first day; on day 8, subjects received the other dose form. Up to 4 days after administration there was no evidence of(More)