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- Title
Causes of Parkinson's disease: genetics of DJ-1.
- Authors
Abou-Sleiman, Patrick M; Healy, Daniel G; Wood, Nicholas W
- Abstract
The identification of Mendelian mutations in rare forms of familial Parkinson's disease (PD) have provided significant insights into the molecular pathogenesis of this common complex disorder. DJ-1 is the third of four genes known to be definitively causal in familial PD, the three others being alpha-synuclein, parkin and the recently identified PINK1. Mutations in the DJ-1 gene were identified in two European families, a Dutch kindred harbouring a large homozygous genomic deletion encompassing exons 1-5 of the gene and an Italian kindred with a homozygous L166P missense mutation. The clinical phenotype of the two families was similar to that of parkin cases. Age of onset was in the mid-thirties with good responsiveness to l-dopa and slow disease progression. Focal dystonias and blepharospasm were also evident as were behavioural disturbances early in the course of the disease. To date, there are no studies of pathological material from known DJ-1 patients. It therefore remains to be determined whether these patients form Lewy bodies and/or Lewy neurites, the eosinophilic fibrillary inclusions that contain predominantly alpha-synuclein and that are the pathological hallmark of PD.
- Publication
Cell and tissue research, 2004, Vol 318, Issue 1, p185
- ISSN
0302-766X
- Publication type
Journal Article
- DOI
10.1007/s00441-004-0922-6