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Common variants in Alzheimer's disease and risk stratification by polygenic risk scores

Itziar de Rojas, Sonia Moreno-Grau, Niccolo Tesi, Victor Andrade, Iris E Jansen, Nancy L Pedersen, Najada Stringa, Anna Zettergren, Isabel Hernández, Laura Montrreal, Carmen Antúnez, Anna Antonell, Rick M Tankard, Joshua C Bis, Rebecca Sims, Céline Bellenguez, Inés Quintela, Antonio González-Perez, Miguel Calero, Emilio Franco-MacíasJuan Macías, Rafael Blesa, Laura Cervera-Carles, Manuel Menéndez-González, Ana Frank-García, Jose Luís Royo, Fermin Moreno, Raquel Huerto Vilas, Miquel Baquero, Mónica Diez-Fairen, Carmen Lage, Sebastián García-Madrona, Pablo García-González, Emilio Alarcón-Martín, Sergi Valero, Oscar Sotolongo-Grau, Abbe Ullgren, Adam C Naj, Afina W Lemstra, Alba Benaque, Alba Pérez-Cordón, Alberto Benussi, Alberto Rábano, Alessandro Padovani, Anne Tybjærg-Hansen, Børge G Nordestgaard, Jesper Qvist Thomassen, Michael Wagner, Ruth Frikke-Schmidt, EADB contributors

224 Citations (Scopus)

Abstract

Genetic discoveries of Alzheimer's disease are the drivers of our understanding, and together with polygenetic risk stratification can contribute towards planning of feasible and efficient preventive and curative clinical trials. We first perform a large genetic association study by merging all available case-control datasets and by-proxy study results (discovery n = 409,435 and validation size n = 58,190). Here, we add six variants associated with Alzheimer's disease risk (near APP, CHRNE, PRKD3/NDUFAF7, PLCG2 and two exonic variants in the SHARPIN gene). Assessment of the polygenic risk score and stratifying by APOE reveal a 4 to 5.5 years difference in median age at onset of Alzheimer's disease patients in APOE ɛ4 carriers. Because of this study, the underlying mechanisms of APP can be studied to refine the amyloid cascade and the polygenic risk score provides a tool to select individuals at high risk of Alzheimer's disease.

Original languageEnglish
Article number3417
JournalNature Communications
Volume12
Issue number1
ISSN2041-1722
DOIs
Publication statusPublished - Dec 2021

Keywords

  • Age of Onset
  • Aged
  • Aged, 80 and over
  • Alzheimer Disease/epidemiology
  • Amyloid beta-Protein Precursor/genetics
  • Apolipoproteins E/genetics
  • Case-Control Studies
  • Cohort Studies
  • Datasets as Topic
  • Female
  • Follow-Up Studies
  • Genetic Predisposition to Disease
  • Genome-Wide Association Study
  • Heterozygote
  • Humans
  • Male
  • Middle Aged
  • Multifactorial Inheritance
  • Polymorphism, Single Nucleotide
  • Risk Assessment/methods
  • Risk Factors

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