Discordance in monozygotic Parkinson's disease twins – continuum or dichotomy?

1 Citation (Scopus)

Abstract

Differences in concordance rates between monozygotic and dizygotic twin pairs with Parkinson's disease (PD) have been used to estimate genetic influences in PD pathogenesis. We hypothesized that “discordance” may not in all cases adequately reflect the multifaceted disease manifestation of PD that involves a continuum from prodromal to definite PD. Deep clinical phenotyping, combining motor, nonmotor, and imaging modalities in five monozygotic, seemingly discordant twin pairs revealed motor and/or nonmotor features and/or nigral hyperechogenicity in all of the five putatively unaffected twins. In conclusion, our data suggest that concordance rates in monozygotic twins may be higher than previously appreciated.

Original languageEnglish
JournalAnnals of Clinical and Translational Neurology
Volume6
Issue number6
Pages (from-to)1102-1105
Number of pages4
DOIs
Publication statusPublished - 01.06.2019

Research Areas and Centers

  • Research Area: Medical Genetics

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