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Genome-wide meta-analysis of muscle weakness identifies 15 susceptibility loci in older men and women

  • Garan Jones
  • , Katerina Trajanoska
  • , Adam J Santanasto
  • , Najada Stringa
  • , Chia-Ling Kuo
  • , Janice L Atkins
  • , Joshua R Lewis
  • , ThuyVy Duong
  • , Shengjun Hong
  • , Mary L Biggs
  • , Jian'an Luan
  • , Chloe Sarnowski
  • , Kathryn L Lunetta
  • , Toshiko Tanaka
  • , Mary K Wojczynski
  • , Ryan Cvejkus
  • , Maria Nethander
  • , Sahar Ghasemi
  • , Jingyun Yang
  • , M Carola Zillikens
  • Stefan Walter, Kamil Sicinski, Erika Kague, Cheryl L Ackert-Bicknell, Dan E Arking, B Gwen Windham, Eric Boerwinkle, Megan L Grove, Misa Graff, Dominik Spira, Ilja Demuth, Nathalie van der Velde, Lisette C P G M de Groot, Bruce M Psaty, Michelle C Odden, Alison E Fohner, Claudia Langenberg, Nicholas J Wareham, Stefania Bandinelli, Natasja M van Schoor, Martijn Huisman, Qihua Tan, Joseph Zmuda, Dan Mellström, Magnus Karlsson, David A Bennett, Aron S Buchman, Philip L De Jager, Andre G Uitterlinden, Uwe Völker, Thomas Kocher, Alexander Teumer, Leocadio Rodriguéz-Mañas, Francisco J García, José A Carnicero, Pamela Herd, Lars Bertram, Claes Ohlsson, Joanne M Murabito, David Melzer, George A Kuchel, Luigi Ferrucci, David Karasik, Fernando Rivadeneira, Douglas P Kiel, Luke C Pilling*
*Corresponding author for this work
  • University of Pittsburgh Medical Center
  • Amsterdam Public Health Research Institute
  • Connecticut Convergence Institute for Translation in Regenerative Engineering
  • Edith Cowan University
  • Johns Hopkins University
  • Department of Neurosurgery, University Hospital, Lübeck, Germany.
  • Washington State University
  • Boston University School of Public Health
  • National Institute on Aging
  • Washington University in St. Louis
  • Ph.D. opponent, Gothenburg University, Sweden
  • University Medicine Greifswald
  • Rush University Medical Center
  • Rey Juan Carlos University
  • University of Colorado
  • University of Mississippi Medical Center
  • University of North Carolina
  • Wageningen University
  • Stanford University Medical Center
  • Lund University
  • Columbia University
  • CIBER of Frailty and Healthy Aging (CIBERFES)
  • Georgetown University Medical Center
  • Boston Medical Center
  • Hinda and Arthur Marcus Institute for Aging Research
  • University of Exeter
  • Erasmus University Medical Center Rotterdam
  • University of Cambridge
  • University of Wisconsin–Madison
  • University of Bristol
  • The University of Texas Health Science Center at Houston
  • Baylor College of Medicine
  • Charité - University Medicine Berlin
  • Humboldt University of Berlin
  • Free University of Berlin
  • Berlin Institute of Health
  • University of Amsterdam
  • Azienda Sanitaria di Firenze
  • University of Connecticut
  • Beth Israel Deaconess Medical Center
  • Harvard Medical School
  • Broad Institute

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Abstract

Low muscle strength is an important heritable indicator of poor health linked to morbidity and mortality in older people. In a genome-wide association study meta-analysis of 256,523 Europeans aged 60 years and over from 22 cohorts we identify 15 loci associated with muscle weakness (European Working Group on Sarcopenia in Older People definition: n = 48,596 cases, 18.9% of total), including 12 loci not implicated in previous analyses of continuous measures of grip strength. Loci include genes reportedly involved in autoimmune disease (HLA-DQA1 p = 4 × 10-17), arthritis (GDF5 p = 4 × 10-13), cell cycle control and cancer protection, regulation of transcription, and others involved in the development and maintenance of the musculoskeletal system. Using Mendelian randomization we report possible overlapping causal pathways, including diabetes susceptibility, haematological parameters, and the immune system. We conclude that muscle weakness in older adults has distinct mechanisms from continuous strength, including several pathways considered to be hallmarks of ageing.

Original languageEnglish
Article number654
JournalNature Communications
Volume12
Issue number1
ISSN2041-1723
DOIs
Publication statusPublished - 28. Jan 2021

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