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A nonsynonymous mutation in PLCG2 reduces the risk of Alzheimer’s disease, dementia with Lewy bodies and frontotemporal dementia, and increases the likelihood of longevity

  • DESGESCO (Dementia Genetics Spanish Consortium), EADB (Alzheimer Disease European DNA biobank)
  • , EADB (Alzheimer Disease European DNA biobank)
  • , IFGC (International FTD-Genomics Consortium), IPDGC (The International Parkinson Disease Genomics Consortium)
  • , IPDGC (The International Parkinson Disease Genomics Consortium)
  • , RiMod-FTD (Risk and Modifying factors in Fronto-Temporal Dementia)
  • , Netherlands Brain Bank (NBB)
  • , The GIFT (Genetic Investigation in Frontotemporal Dementia and Alzheimer’s Disease) Study Group
  • VU University Amsterdam
  • Mayo Clinic in Jacksonville, Florida
  • University of Bonn
  • German Center for Neurodegenerative Diseases (DZNE)
  • University Hospital of Cologne
  • Leiden University Medical Centre
  • Delft University of Technology
  • Universitat Internacional de Catalunya
  • National Institute of Health Carlos III
  • University Medical Center Utrecht
  • Vrije Universiteit Medical Centre
  • University of California at Los Angeles
  • Göteborgs Universitet
  • Max Planck Institute of Psychiatry
  • Technical University of Munich
  • German Competence Network Multiple Sclerosis (KKNMS)
  • Hospital Mútua de Terrassa
  • Fundacio per la Recerca Biomedica I Social Mutua Terrassa
  • University Clinic Tuebingen
  • Universitat Autònoma de Barcelona
  • Sahlgrenska University Hospital
  • University College London
  • University of Southern Denmark
  • Natl. Inst. of Neurol. Dis./Stroke
  • Royal Victoria Infirmary
  • University of Cambridge
  • University Medical Center Hamburg-Eppendorf
  • Johns Hopkins School of Medicine
  • Biodonostia Health Research Institute
  • Hospital Universitario Marques de Valdecilla
  • IDIVAL
  • University of Leipzig
  • UPV/EHU
  • The University of Edinburgh Medical School
  • Munich Cluster for Systems Neurology (SyNergy)
  • University of Münster
  • Mayo Clinic
  • Instituto Leloir
  • University of Rostock
  • National Institute on Aging (NIA)
  • MRC Mitochondrial Biology Unit
  • Novo Nordisk Foundation Center for Basic Metabolic Research
  • University of Copenhagen, Glostrup Hospital
  • University of Bristol
  • Odense University Hospital
  • Dutch Society for Research on Ageing

Research output: Contribution to journalArticlepeer-review

89 Scopus citations

Abstract

The genetic variant rs72824905-G (minor allele) in the PLCG2 gene was previously associated with a reduced Alzheimer’s disease risk (AD). The role of PLCG2 in immune system signaling suggests it may also protect against other neurodegenerative diseases and possibly associates with longevity. We studied the effect of the rs72824905-G on seven neurodegenerative diseases and longevity, using 53,627 patients, 3,516 long-lived individuals and 149,290 study-matched controls. We replicated the association of rs72824905-G with reduced AD risk and we found an association with reduced risk of dementia with Lewy bodies (DLB) and frontotemporal dementia (FTD). We did not find evidence for an effect on Parkinson’s disease (PD), amyotrophic lateral sclerosis (ALS) and multiple sclerosis (MS) risks, despite adequate sample sizes. Conversely, the rs72824905-G allele was associated with increased likelihood of longevity. By-proxy analyses in the UK Biobank supported the associations with both dementia and longevity. Concluding, rs72824905-G has a protective effect against multiple neurodegenerative diseases indicating shared aspects of disease etiology. Our findings merit studying the PLCγ2 pathway as drug-target.

Original languageEnglish
Pages (from-to)237-250
Number of pages14
JournalActa Neuropathologica
Volume138
Issue number2
DOIs
StatePublished - 1 Aug 2019

Keywords

  • Alzheimer’s disease
  • Amyotrophic lateral sclerosis
  • Dementia with Lewy bodies
  • Frontotemporal dementia
  • Longevity
  • Multiple sclerosis
  • Neurodegenerative disease
  • PLCG2
  • Parkinson’s disease
  • Phospholipase C Gamma 2
  • Progressive supranuclear palsy

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