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We studied the effect of morphine on the current induced by glycine in acutely dissociated nucleus tractus solitarii (NTS) neurones of guinea pigs, by use of the whole-cell patch clamp technique. Morphine inhibited 30 microM glycine-induced current (Igly), without affecting the current caused by 30 microM GABA. The effect of morphine was(More)
Effects of benzodiapines administered by the intraperitoneal route on PGO firings and multiple unit activity in the midbrain reticular formation in chronic cat preparations were investigated at various levels of consciousness. Changes in the sleep-wakefulness cycle induced by direct injection of benzodiazepines into the reticular formation were also(More)
Peripheral and central glial activation plays an important role in development of pain hypersensitivity induced by inflammation and nerve injury. However, the involvement of glial cells in cancer pain is not well understood. The present study evaluated the peripheral and central glial activation and the effect of an inhibitor of glial activation,(More)
BACKGROUND In our previous studies, we found both gender differences among care recipients and predictors that influenced outcomes after discharge from a ward for demented elderly. Here, we investigate predictors that influence the length of stay for each sex. METHODS We studied the data of 390 patients with dementia who were hospitalized in a ward for(More)
We studied the difference in the effects of codeine on coughs caused by mechanical stimulation to the larynx and to the bifurcation of the trachea in lightly anaesthetized guinea pigs. Mechanical stimulation to the larynx or the bifurcation of trachea caused a stable cough response. The response was reproducible over 60 min, when stimulation was repeatedly(More)
1. The effect of dextromethorphan (DM) on the current induced by glycine in acutely dissociated nucleus tractus solitarii (NTS) neurones of guinea-pigs was studied by use of the whole-cell patch clamp technique. The effect of DM on gamma-aminobutyric acid (GABA)-induced currents (IGABA) was also examined. 2. DM inhibited 30 microM glycine-induced current(More)
Effects of ID-540, a new benzodiazepine derivative, on operant behavior were studied and compared with those of diazepam in rats for the purpose of determining the characteristics on behavioral pharmacology. Four schedules used were as follows: Fixed interval (FI-60sec) of food reinforcement and differential food reinforcement of low rate (DRL20sec) for(More)
Clonazepam, one of the benzodiazepines, induced head twitches in mice in a dose-dependent manner and sustained them for at least 120 min. Some of the benzodiazepines such as nitrazepam, fludiazepam, and nimetazepam also significantly induced head twitches at doses higher than 10 mg/kg, but other benzodiazepines like diazepam, flurazepam, oxazepam,(More)