Parkin deletions in a family with adult-onset, tremor-dominant parkinsonism: Expanding the phenotype

Christine Klein, Peter P. Pramstaller, Kis Bernhard, Curtis C. Page, Martin Kann, Joanne Leung, Heather Woodward, Claudio C. Castellan, Monika Scherer, Peter Vieregge, Xandra O. Breakefield, Patricia L. Kramer, Laurie J. Ozelius

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Abstract

A gene for autosomal recessive parkinsonism, PARK2 (parkin), has recently been identified on chromosome 6q and shown to be mutated in Japanese and European families, mostly with early-onset parkinsonism. Here we present a large pedigree from South Tyrol (a region of northern Italy) with adult- onset, clinically typical tremor-dominant parkinsonism of apparently autosomal dominant inheritance, Haplotype analysis excluded linkage to the chromosome 2p, 4p, and 4q regions that harbor genes associated with autosomal dominant parkinsonism, but implicated the parkin locus on chromosome 6q. Compound heterozygous deletions in the parkin gene (one large and one truncating) were identified in 4 affected male siblings. The patients were clinically indistinguishable from most patients with idiopathic Parkinson's disease. None of them displayed any of the clinical hallmarks described in patients with previously reported parkin mutations, including diurnal fluctuations, benefit from sleep, foot dystonia, hyperreflexia, and early susceptibility to levodopa-induced dyskinesias. Two affected female individuals carried one (truncating) of the two deletions in a heterozygous state with an apparently normal allele. We conclude that the phenotypic spectrum associated with mutations in the parkin gene is broader than previously reported, suggesting that this gene may be important in the etiology of the more frequent late-onset typical Parkinson's disease.

Original languageEnglish (US)
Pages (from-to)65-71
Number of pages7
JournalAnnals of Neurology
Volume48
Issue number1
DOIs
StatePublished - 2000

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Parkinsonian Disorders
Tremor
Phenotype
Chromosomes
Genes
Parkinson Disease
Abnormal Reflexes
Mutation
Dystonia
Dyskinesias
Levodopa
Pedigree
Haplotypes
Italy
Foot
Siblings
Sleep
Alleles

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Parkin deletions in a family with adult-onset, tremor-dominant parkinsonism : Expanding the phenotype. / Klein, Christine; Pramstaller, Peter P.; Bernhard, Kis; Page, Curtis C.; Kann, Martin; Leung, Joanne; Woodward, Heather; Castellan, Claudio C.; Scherer, Monika; Vieregge, Peter; Breakefield, Xandra O.; Kramer, Patricia L.; Ozelius, Laurie J.

In: Annals of Neurology, Vol. 48, No. 1, 2000, p. 65-71.

Research output: Contribution to journalArticle

Klein, C, Pramstaller, PP, Bernhard, K, Page, CC, Kann, M, Leung, J, Woodward, H, Castellan, CC, Scherer, M, Vieregge, P, Breakefield, XO, Kramer, PL & Ozelius, LJ 2000, 'Parkin deletions in a family with adult-onset, tremor-dominant parkinsonism: Expanding the phenotype', Annals of Neurology, vol. 48, no. 1, pp. 65-71. https://doi.org/10.1002/1531-8249(200007)48:1<65::AID-ANA10>3.0.CO;2-L
Klein, Christine ; Pramstaller, Peter P. ; Bernhard, Kis ; Page, Curtis C. ; Kann, Martin ; Leung, Joanne ; Woodward, Heather ; Castellan, Claudio C. ; Scherer, Monika ; Vieregge, Peter ; Breakefield, Xandra O. ; Kramer, Patricia L. ; Ozelius, Laurie J. / Parkin deletions in a family with adult-onset, tremor-dominant parkinsonism : Expanding the phenotype. In: Annals of Neurology. 2000 ; Vol. 48, No. 1. pp. 65-71.
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AU - Kann, Martin

AU - Leung, Joanne

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AU - Castellan, Claudio C.

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AU - Kramer, Patricia L.

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