dentatorubral and pallidoluysian atrophy

An autosomal-dominant CAG repeat disease which is characterised by spinocerebellar degeneration, with selective destruction of cerebellar neurons—dentate nucleus, globus pallidus, and Luys body.

Clinical findings
Progressive ataxia, choreoathetosis, dystonia, seizures, myoclonus, dementia, mental retardation.

DiffDx
Machado-Joseph disease, spinocerebellar ataxia type 1, Huntington’s disease.
Molecular pathology
DRPLA is caused by an expansion of the polyglutamine region of ATN1, on chromosome 12p13.31, which encodes atrophin-1—which is thought to contain a nuclear localisation signal in the N-end and a nuclear export signal in the C-end.

单词	dentatorubral and pallidoluysian atrophy
释义	dentatorubral and pallidoluysian atrophy dentatorubral and pallidoluysian atrophy An autosomal-dominant CAG repeat disease which is characterised by spinocerebellar degeneration, with selective destruction of cerebellar neurons—dentate nucleus, globus pallidus, and Luys body. Clinical findings Progressive ataxia, choreoathetosis, dystonia, seizures, myoclonus, dementia, mental retardation. DiffDx Machado-Joseph disease, spinocerebellar ataxia type 1, Huntington’s disease. Molecular pathology DRPLA is caused by an expansion of the polyglutamine region of ATN1, on chromosome 12p13.31, which encodes atrophin-1—which is thought to contain a nuclear localisation signal in the N-end and a nuclear export signal in the C-end.
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