Mutations in the DJ-1 Gene Associated with Autosomal Recessive Early-Onset Parkinsonism

Author:

Bonifati Vincenzo12,Rizzu Patrizia1,van Baren Marijke J.1,Schaap Onno1,Breedveld Guido J.1,Krieger Elmar3,Dekker Marieke C. J.1,Squitieri Ferdinando4,Ibanez Pablo5,Joosse Marijke1,van Dongen Jeroen W.1,Vanacore Nicola26,van Swieten John C.7,Brice Alexis5,Meco Giuseppe2,van Duijn Cornelia M.1,Oostra Ben A.1,Heutink Peter1

Affiliation:

1. Genetic-Epidemiologic Unit, Department of Clinical Genetics, Department of Epidemiology and Biostatistics, Erasmus Medical Center Rotterdam, Post Office Box 1738, 3000 DR Rotterdam, Netherlands.

2. Department of Neurological Sciences, “La Sapienza” University, Viale dell'Università30, 00185 Rome, Italy.

3. Centre for Molecular and Biomolecular Informatics, University Medical Center Nijmegen, Geert Grooteplein Zuid 30, 6525 GA Nijmegen, Netherlands.

4. Neurogenetics Unit, IRCCS INM Neuromed, Località Camerelle, 86077 Pozzilli, Italy.

5. INSERM U 289, Hôpital de la Salpêtrière, 47 Boulevard de l'Hôpital, 75013 Paris, France.

6. Laboratory of Epidemiology and Biostatistics, National Institute for Health, 00161 Roma, Italy.

7. Department of Neurology, Erasmus Medical Center Rotterdam, Dr. Molewaterplein 40, 3015 GD Rotterdam, Netherlands.

Abstract

The DJ-1 gene encodes a ubiquitous, highly conserved protein. Here, we show that DJ-1 mutations are associated with PARK7, a monogenic form of human parkinsonism. The function of the DJ-1 protein remains unknown, but evidence suggests its involvement in the oxidative stress response. Our findings indicate that loss of DJ-1 function leads to neurodegeneration. Elucidating the physiological role of DJ-1 protein may promote understanding of the mechanisms of brain neuronal maintenance and pathogenesis of Parkinson's disease.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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