title: Juvenile onset Parkinsonism with "pure nigral" degeneration and POLG1 mutation.
authors.affiliation: Department of Neurology, Mayo Clinic, Scottsdale, AZ 85259, USA. Electronic address: mehta.shyamal@mayo.edu.
authors.forename: Shyamal H
authors.initials: SH
authors.lastname: Mehta
authors.affiliation: Department of Neuroscience, Mayo Clinic, Jacksonville, FL 32224, USA.
authors.forename: Dennis W
authors.initials: DW
authors.lastname: Dickson
authors.affiliation: Department of Neurology, Medical College of Georgia, Augusta, GA 30912, USA.
authors.forename: John C
authors.initials: JC
authors.lastname: Morgan
authors.affiliation: Molecular Genetics Section, National Institute on Aging, Bethesda, MD 20892, USA.
authors.forename: Andrew B
authors.initials: AB
authors.lastname: Singleton
authors.affiliation: Molecular Genetics Section, National Institute on Aging, Bethesda, MD 20892, USA.
authors.forename: Elisa
authors.initials: E
authors.lastname: Majounie
authors.affiliation: Department of Neurology, Medical College of Georgia, Augusta, GA 30912, USA.
authors.forename: Kapil D
authors.initials: KD
authors.lastname: Sethi
mesh_terms: D000293:Adolescent; D017668:Age of Onset; D000074002:DNA Polymerase gamma / Q000235:genetics*; D005260:Female; D006801:Humans; D008297:Male; D009154:Mutation / Q000235:genetics*; D020734:Parkinsonian Disorders / Q000235:genetics* / Q000473:pathology*; D035781:Siblings; D013378:Substantia Nigra / Q000473:pathology*; D055815:Young Adult
chemical_list: D000074002:DNA Polymerase gamma; C413027:POLG protein, human