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To evaluate the effect of pravastatin, an HMG-CoA reductase inhibitor, on sleep, the drug or a placebo was administered to 5 healthy adults for 16 days by the double-blind method. Pravastatin caused no changes in sleep parameters. This indicates that it had no effect on human sleep for the following possible reasons: Being hydrophilic, the drug does not(More)
The effects of lithium and carbamazepine on GABAA and GABAB receptors were examined. The binding of [3H]muscimol and [3H](-)-baclofen to synaptic membranes from rat brain was used to label GABAA and GABAB receptors, respectively. Neither the [3H]muscimol nor the [3H](-)-baclofen binding site was displaced by lithium or carbamazepine even at a concentration(More)
Tobacco smoking is an important risk factor for the development of several cancers, osteoporosis, and inflammatory diseases such as periodontitis. Nicotine is one of the major components of tobacco. In previous study, we showed that nicotine inhibits mineralized nodule formation by osteoblasts, and the culture medium from osteoblasts containing nicotine and(More)
Orthodontic tooth movement induces alveolar bone resorption and formation by mechanical stimuli. Force exerted on the traction side promotes bone formation. Adenosine triphosphate (ATP) is one of the key mediators that respond to bone cells by mechanical stimuli. However, the effect of tension force (TF)-induced ATP on osteogenesis is inadequately(More)
Acute pancreatitis remains a disease of uncertain pathogenesis and no established specific therapy. Previously, we found a predominant increase and active proliferation of macrophages in the inflamed tissues of a rat duct-ligation pancreatitis model. To analyze the origin and possible role of these macrophages, we investigated their in situ cellular(More)
beta-Phenylethylamine (PEA) is a naturally occurring compound and its structure is close to amphetamine. The effects of PEA on locomotor activity and brain catecholamine metabolism in mice were investigated. Mice were injected with PEA 50 mg/kg intraperitoneally. PEA produced increased locomotor activity between 3 and 6 min, then a decline to 20 min after(More)
BACKGROUND Lymphocyte recruitment into the portal tract is crucial not only for homeostatic immune surveillance but also for many liver diseases. However, the exact route of entry for lymphocytes into portal tract is still obscure. We investigated this question using a rat hepatic allograft rejection model. METHODS A migration route was analyzed by(More)