Osamu Kawamata

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The protein phosphorylation in extracts of nervous tissues of rats acutely exposed to methylmercury chloride (seven daily injections of 10 mg methylmercury chloride/kg body weight) was examined. In the brain, the phosphorylating activity was dependent on cAMP and Mg2+. The effect of methylmercury on the phosphorylation of brain proteins, including tubulin(More)
OBJECTIVE:TT virus (TTV) has been identified as a candidate agent of non-A–E hepatitis virus. We investigated superinfection of TTV in patients with chronic hepatitis C and studied the susceptibility to interferon (IFN) treatment and its association with liver disease caused by hepatitis C virus (HCV).METHODS:TTV DNA was examined using the seminested(More)
Diffuse malignant pleural mesothelioma is a disease with poor prognosis, and no standard therapy for inoperable cases has been established. There are several reported trials using various anticancer drugs, but their sample sizes were small and none documented the drugs' effectiveness. Recently, some reports revealed that gemcitabine (GEM), which has been(More)
In 30 chronic hepatitis C patients co-infected with TTV, TTV DNA in the sera immediately after cessation of IFN and 6 months after the end of IFN was examined. Sustained loss of TTV DNA was observed in 12 of 30 (40.0%) patients. In 7 of 30 (23.3%) patients, TTV DNA re-appeared 6 months after becoming undetectable at the end of IFN therapy. In the remaining(More)
We report a successful case of bronchoscopic therapy using occluding spiral embolus and fibrin glue for refractory pulmonary fistula. A 22-year-old female underwent left lower lobectomy for giant bulla of the lung. Air leakage began 6 days after lobectomy. Closing alveolar fistula was performed 12 days after first operation. Relapsing air leakage began 4(More)
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