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Genome-wide survival study identifies a novel synaptic locus and polygenic score for cognitive progression in Parkinson’s disease

  • International Genetics of Parkinson Disease Progression (IGPP) Consortium
  • Brigham and Women’s Hospital
  • Harvard University
  • Sun Yat-Sen University
  • Massachusetts General Hospital
  • Sorbonne Université
  • Stavanger University Hospital
  • University of Stavanger
  • Washington University St. Louis
  • Institut national de la santé et de la recherche médicale
  • Praxis Precision Medicines
  • University of Rochester
  • University of Tartu
  • Murdoch University
  • Perron Institute for Neurological and Translational Science
  • Banner Health
  • University of Bergen
  • German Center for Neurodegenerative Diseases
  • Leiden University
  • University of Lübeck
  • University of Göttingen
  • Paracelsus-Elena-Klinik
  • University of Cambridge

Research output: Contribution to journalArticlepeer-review

105 Scopus citations

Abstract

A key driver of patients’ well-being and clinical trials for Parkinson’s disease (PD) is the course that the disease takes over time (progression and prognosis). To assess how genetic variation influences the progression of PD over time to dementia, a major determinant for quality of life, we performed a longitudinal genome-wide survival study of 11.2 million variants in 3,821 patients with PD over 31,053 visits. We discover RIMS2 as a progression locus and confirm this in a replicate population (hazard ratio (HR) = 4.77, P = 2.78 × 10−11), identify suggestive evidence for TMEM108 (HR = 2.86, P = 2.09 × 10−8) and WWOX (HR = 2.12, P = 2.37 × 10−8) as progression loci, and confirm associations for GBA (HR = 1.93, P = 0.0002) and APOE (HR = 1.48, P = 0.001). Polygenic progression scores exhibit a substantial aggregate association with dementia risk, while polygenic susceptibility scores are not predictive. This study identifies a novel synaptic locus and polygenic score for cognitive disease progression in PD and proposes diverging genetic architectures of progression and susceptibility.

Original languageEnglish
Pages (from-to)787-793
Number of pages7
JournalNature Genetics
Volume53
Issue number6
DOIs
StatePublished - Jun 2021

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