Genetics and pathophysiology of primary dystonia with special emphasis on DYT1 and DYT5.

Abstract excerpt

DYT1 and DYT5 are early-onset dominant inherited dystonias. DYT1 is caused by mutations of the TOR1A gene, located on 9q34, which causes dysfunction of the D1 direct pathway or the indirect pathway. Dysfunction of the former causes postural-type and segmental dystonia; the latter causes action-type dystonia. In families with action-type dystonia, there are cases with focal and segmental dystonia. Ages of onset of...

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