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Anne-Louise Leutenegger, PhD; Mustafa A. M. Salih, MD; Pablo Ibáñez, PhD; Maowia M. Mukhtar, PhD; Suzanne Lesage, PhD; Ali Arabi, MD; Ebba Lohmann, MD; Alexandra Dürr, MD, PhD; Ammar E. M. Ahmed, MD; Alexis Brice, MD

Arch Neurol. 2006;63:1257-1261.

Background  Mutations in the PTEN-induced putative kinase 1 (PINK1) gene at 1p36 have been involved in autosomal recessive early-onset parkinsonism.

Objective  To describe the clinical and genetic features of the largest kindred reported to date with early-onset parkinsonism associated with the PINK1 gene.

Design  Clinical and genetic study.

Setting  Collaborative study.

Patients  Eight patients from Sudan with particularly early onset (ages 9-17 years) and phenotypes varying from dopa-responsive dystonia–like to typical early-onset parkinsonism.

Main Outcome Measures  The PINK1 genotype and Parkinson disease status of all available family members.

Results  The disease was caused by a novel mutation, p.A217D, located in the highly conserved adenosine triphosphate orientation site of the PINK1 kinase domain.

Conclusion  This study extends the phenotypic and molecular spectrum of the PINK1 gene and the geographic origin of patients with PINK1 gene mutations.

Author Affiliations: Institut National de la Santé et de la Recherche Médicale (INSERM) U679 (Drs Leutenegger, Ibáñez, Lesage, Lohmann, Dürr, and Brice), Hôpital de la Pitié-Salpêtrière, Assistance Publique, Hôpitaux de Paris (AP-HP) (Drs Leutenegger, Ibáñez, Lesage, Lohmann, Dürr, and Brice), Faculté de Médecine, Université Paris 6–Pierre et Marie Curie (Drs Leutenegger, Ibáñez, Lesage, Lohmann, Dürr, and Brice), Département de Génétique, Cytogénétique et Embryologie (Drs Dürr and Brice), and Fédération de Neurologie, Hôpital de la Pitié-Salpêtrière, AP-HP (Dr Brice), Paris, France; Division of Pediatric Neurology, Department of Pediatrics, College of Medicine, King Saud University, Riyadh, Saudi Arabia (Dr Salih); and Institute of Endemic Diseases (Dr Mukhtar) and Departments of Pediatrics (Dr Arabi) and Physiology (Dr Ahmed), Faculty of Medicine, University of Khartoum, Khartoum, Sudan.

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