Katsuyuki Okamoto

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In the present case study, the patient was a 65-year-old man who suddenly developed purpuric and necrotic lesions with severe pain in his fingers and toes. Laboratory investigations revealed marked eosinophilia (77.9%), but there was no evidence to support a diagnosis of parasitic infections, allergic disease, neoplasm or connective tissue disorder. The(More)
A 70-year-old woman was admitted because of depression and abnormal involuntary movements of her left extremities. Six months before the admission, she developed left hemiparesis caused by right thalamic hemorrhage. On neurological examination, she had mild motor and sensory hemiparesis on the left side. She showed recurrent depression each other days with(More)
We have previously shown that anacardic acid has an uncoupling effect on oxidative phosphorylation in rat liver mitochondria using succinate as a substrate (Life Sci. 66 (2000) 229-234). In the present study, for clarification of the physicochemical characteristics of anacardic acid, we used a cyanine dye (DiS-C3(5)) and 9-aminoacridine (9-AA) to determine(More)
Glycerol was transglycosylated by cyclodextrin glucanotransferases using starch as a donor substrate. Among the enzymes tested, those from Geobacillus stearothermophilus and Thermoanaerobacter sp. were suitable for the transglycosylation. Several products were isolated and their structures were elucidated. They were composed of glucose and a series of(More)
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