Naoki Miyake

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Ca-antagonistic activities of cerebral vasodilators, nicardipine and 1-(3,4-dimethoxyphenyl)-2-(4-diphenylmethylpiperazinyl)ethanol dihydrochloride (NC-1100) were tested on basilar and renal arteries, thoracic aorta and portal vein of rabbit, and rat vas deferens. Both the cerebral vasodilators used herein had a selectivity to basilar arteries. The(More)
BACKGROUND Persistent hypoalbuminemia is a long-term poor prognostic factor in chronic hemodialysis patients. PATIENTS AND METHODS We investigated the correlation between the degree of peroxidation of erythrocyte membrane lipids, erythrocyte alpha tocopherol content, erythrocyte glutathione peroxidase activity and serum albumin concentration in twelve(More)
We report here a case of Cogan's syndrome associated with systemic vasculitis as well as myeloperoxidase-specific antineutrophil cytoplasmic antibody (MPO-ANCA)-related glomerulonephritis. A 71-year-old woman with the diagnosis of aortitis syndrome and pulmonary fibrosis for 7 years, complained of vertigo and hearing impairment. A diagnosis of serous otitis(More)
1. Stereoselectivity of CI-951 in Ca-entry blocking activity was tested in guinea pig taenia caecum and urinary bladder and rabbit thoracic aorta and basilar artery. 2. NC-1500 ((+)-CI-951) and (-)-CI-951 had a selectivity to the basilar artery. 3. NC-1500 ((+)-CI-951) was about 6-16 times as potent as (-)-CI-951. 4. These results suggest that NC-1500(More)
In the present study, we investigated the generation of lipid peroxides and changes in total phospholipid levels in the kidney tissue of rats with acquired resistance to gentamicin (GM). GM resistance was induced in Sprague-Dawley male rats by subcutaneously administering each rat a dose of 80 mg/kg/day of GM for 40 consecutive days. Twelve days after the(More)
We have previously demonstrated that gentamicin-induced acute renal failure is mediated by the consumption of renal glutathione (GSH) and accumulation of oxidized phospholipids in tubular epithelial cells as a result of inhibition of phospholipase A(2) (PLA(2)) activity. Based on these results, we tested the hypothesis that the simultaneous inhibition of(More)
1. alpha 1-adrenoceptor blocking activity of bevantolol(NC-1400) was tested in the rat thoracic aorta, comparing with that of labetalol. 2. In alpha 1-adrenoceptor blocking activity, bevantolol(NC-1400) was 1/20th as potent as labetalol. 3. The pA2 values of bevantolol(NC-1400) and labetalol estimated in the rat thoracic aorta were compared with those in(More)
A 41-year-old man was admitted to our hospital because of multiple liver tumors. Colonoscopy showed a mass lesion in the cecum. He was given a diagnosis of endocrine cell carcinoma by immunostaining technique, and received chemotherapy of CAPOX regimen for 3 courses. After that, he underwent second-line chemotherapy of EP(CDDP/VP-16)regimen due to(More)