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We confirmed a homozygous type of relatively small expansion of CAG triplet repeats (57 repeats) in the short arm of chromosome 12 in a male patient with dentatorubral-pallidoluysian atrophy (DRPLA) by polymerase chain reaction. He showed early onset (age, 17 years) of DRPLA. There was good correlation of the age of onset with the number of triplet repeats.… (More)
A patient with hepatitis C virus (HCV) infection developed neuropathy characterized by recurrent attacks of anesthesia, dysaesthesia, mild weakness and swelling of the right forearm. Serological examinations suggested an abnormal autoimmune state. HCV infection might produce neuropathy by inducing abnormal autoimmunity.
A 74-year-old man presented sudden onset hoarseness and dysphagia. Two months before this event, he had developed arthralgia of the shoulders, elbows, hands and foot and pleuritis which had been alleviated by a treatment with prednisolone. On admission, the patient could not phonate nor swallow at all. His soft palate was elevated at the right side. The… (More)
DNA binding by transcripton factor AP-1 was enhanced remarkably following kindling stimulation in rat amygdala. Maximum increase occurred 2 h after stimulation with return to baseline within 24 h. Supershift and western analyses revealed that 38,000 mol. wt Fos-related antigen and JunD were the main components of the evoked AP-1 complexes at the time their… (More)
There is increasing evidence that the 5-hydroxytryptamine (HT)1A partial agonist ipsapirone is an effective anxiolytic/antidepressant agent, although its mechanism of action is not clear. In this study, we investigated the effects of chronic ipsapirone treatment (5 or 10 mg/kg; twice daily, 3 weeks) on 5-HT1A receptor density 8-hydroxy-2-(di-n-propyl amino)… (More)
In order to elucidate the effect of levodopa and bromocriptine on the DNA-binding activities of transcription factors, AP-1 and CREB DNA-binding activities were investigated using gel-shift assay. Intraperitoneal administration of 100 mg/kg levodopa with 50 mg/kg benserazide in rats increased both AP-1 and CREB DNA-binding activities in the dorsolateral… (More)