Tomomi Okano

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16q22.1-linked autosomal dominant cerebellar ataxia (16q-ADCA) is a recently defined subtype of ADCA identified by a disease-specific C/T substitution in the 5' untranslated region of the puratrophin-1 gene. In Nagano, the central mountainous district of the main island of Japan, 16q-ADCA and spinocerebellar ataxia type 6 (SCA6) are the most and second most(More)
A 14-year-old girl, homozygous for an insertion mutation of aprataxin (APTX), 689 ins T, is described. She presented with severe generalized dystonia, ataxia, ocular motor apraxia, and areflexia. The dystonia of this patient suggests involvement of the basal ganglia or thalamus, along with clinical diversity in this disorder.
Hepatic myelopathy is a rare neurological complication in patients with chronic liver failure and most patients who suffered from this disorder were demonstrated to have portal-systemic shunt. A 31-year-old man who was diagnosed as having adult-onset type II citrullinemia (CTLN2) and had a six-year history of recurrent hepatic encephalopathy showed(More)
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