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Keywords:

  • PINK1;
  • mutation carriers;
  • phenotype

Abstract

The phenotypic spectrum of PINK1-associated Parkinsonism was studied in a family with homozygous (n = 4) or heterozygous (n = 3) PINK1 mutations. All homozygous mutation carriers were definitely affected; the heterozygous carriers were asymptomatic but displayed unequivocal signs of probable or possible Parkinsonism. This finding suggests a role not only of homozygous but also of heterozygous PINK1 mutations in the development of parkinsonian signs and underlines the necessity to carefully investigate family members of affected mutation carriers. © 2006 Movement Disorder Society