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UNLABELLED Urethane is widely used as an anesthetic for animal studies because of its minimal effects on cardiovascular and respiratory systems and maintenance of spinal reflexes. Despite its usefulness in animal research, there are no reports concerning its molecular actions. We designed this study to determine whether urethane affects(More)
We assessed the effects of tramadol, a centrally acting analgesic, and its major metabolite, on neurotransmitter-gated ion channels. Tramadol binds to mu-opioid receptors with low affinity and inhibits reuptake of monoamines in the central nervous system. These actions are believed to primarily contribute to its antinociceptive effects. However, little is(More)
gamma-Aminobutyric acid (GABA) and 5-hydroxytryptamine (5-HT) have been shown to increase the reproduction of the Brachionus plicatilis (NH3L strain). In the present study, the endogenous presence of GABA and 5-HT in the rotifers B. plicatilis (NH3L and Kamiura strains) and Brachionus rotundiformis (Langkawi strain) were confirmed by dot blot immunoassay(More)
We report the successful management of anesthesia in a patient with stiff-person syndrome (SPS) undergoing a thymectomy using a volatile anesthetic combined with epidural anesthesia. The anesthetic concern in patients with SPS is the possibility of postoperative hypotonia due to the presence of excessive gamma-aminobutyric acid (GABA) resulting from an(More)
PURPOSE Taurine is the most abundant amino acid in many tissues. Although taurine has been shown to be antinociceptive, in this report, our focus is to elucidate the mechanism and action site on neuropathic pain. This study used behavioural assessments to determine whether taurine attenuates neuropathic pain in the spinal cord. METHODS Chronic(More)
Hypotaurine is an intermediate in taurine biosynthesis from cysteine in astrocytes. Although hypotaurine functions as an antioxidant and organic osmolyte, its physiological role in the central nervous system remains unclear. This study used behavioral assessments to determine whether hypotaurine influenced nociceptive transmission in acute, inflammatory,(More)
UNLABELLED Many inhaled anesthetics potentiate the effect of glycine on inhibitory strychnine-sensitive glycine receptors in vitro, supporting the view that this receptor could mediate the immobility produced by inhaled anesthetics during noxious stimulation (i.e., would underlie minimum alveolar anesthetic concentration [MAC]). There are quantitative(More)
BACKGROUND & AIMS The therapeutic mechanisms of ribavirin for hepatitis C are unclear. Microarray analyses have shown that ribavirin increases induction of interferon-stimulated genes. We evaluated viral kinetics, serum cytokine expression, and viral mutagenesis during early stages of peginterferon therapy with and without ribavirin. METHODS Fifty(More)
BACKGROUND Gabapentin (GBP) is a prescription drug used for the treatment of neuropathic and post-operative pain. However, the mechanism by which it exerts its analgesic action is not well understood. Because intrathecal administration of GBP has been shown to exert antinociceptive effects in animal studies, we hypothesized that the spinal cord may be a(More)