Human Molecular Genetics, 1999, Vol. 8, No. 10 1901-1905
© 1999 Oxford University Press
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The genetics of disorders withsynuclein pathology and parkinsonism
Neurogenetics Laboratories, Departments of Pharmacologyand Neurology, Birdsall Building, Mayo Clinic Jacksonville, 4500San Pablo Road, Jacksonville, FL 32224, USA
ABSTRACT
Despite being considered the archetypal non-geneticneurological disorder, genetic analysis of Parkinsons diseasehas shown that there are at least three genetic loci. Furthermore,these analyses have suggested that the phenotype of the pathogenicloci is wider than simple Parkinsons disease and may includeLewy body dementia and some forms of essential tremor. Identificationof
-synuclein as the first of the lociinvolved in Parkinsons disease and the identificationof this protein in pathological deposits in other disorders hasled to the suggestion that it may share pathogenic mechanisms withmultiple system atrophy, Alzheimers disease and priondisease and that these mechanisms are related to a synuclein pathwayto cell death. Finally, genetic analysis of the synuclein diseasesand the tau diseases may indicate that this synuclein pathway isan alternative to the tau pathway to cell death.
FOOTNOTES
a Towhom correspondence should be addressed. Tel: +1 904 9537356; Fax: +1 904 953 7370; Email: hardy.john{at}mayo.edu
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