Nature Communications (Apr 2022)

Heterozygous frameshift variants in HNRNPA2B1 cause early-onset oculopharyngeal muscular dystrophy

  • Hong Joo Kim,
  • Payam Mohassel,
  • Sandra Donkervoort,
  • Lin Guo,
  • Kevin O’Donovan,
  • Maura Coughlin,
  • Xaviere Lornage,
  • Nicola Foulds,
  • Simon R. Hammans,
  • A. Reghan Foley,
  • Charlotte M. Fare,
  • Alice F. Ford,
  • Masashi Ogasawara,
  • Aki Sato,
  • Aritoshi Iida,
  • Pinki Munot,
  • Gautam Ambegaonkar,
  • Rahul Phadke,
  • Dominic G. O’Donovan,
  • Rebecca Buchert,
  • Mona Grimmel,
  • Ana Töpf,
  • Irina T. Zaharieva,
  • Lauren Brady,
  • Ying Hu,
  • Thomas E. Lloyd,
  • Andrea Klein,
  • Maja Steinlin,
  • Alice Kuster,
  • Sandra Mercier,
  • Pascale Marcorelles,
  • Yann Péréon,
  • Emmanuelle Fleurence,
  • Adnan Manzur,
  • Sarah Ennis,
  • Rosanna Upstill-Goddard,
  • Luca Bello,
  • Cinzia Bertolin,
  • Elena Pegoraro,
  • Leonardo Salviati,
  • Courtney E. French,
  • Andriy Shatillo,
  • F. Lucy Raymond,
  • Tobias B. Haack,
  • Susana Quijano-Roy,
  • Johann Böhm,
  • Isabelle Nelson,
  • Tanya Stojkovic,
  • Teresinha Evangelista,
  • Volker Straub,
  • Norma B. Romero,
  • Jocelyn Laporte,
  • Francesco Muntoni,
  • Ichizo Nishino,
  • Mark A. Tarnopolsky,
  • James Shorter,
  • Carsten G. Bönnemann,
  • J. Paul Taylor

DOI
https://doi.org/10.1038/s41467-022-30015-1
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 18

Abstract

Read online

Missense variants in RNA-binding proteins underlie many diseases. Here the authors report an oculopharyngeal muscular dystrophy caused by heterozygous frameshift mutations in HNRNPA2B1 that alter its nucleocytoplasmic transport dynamics and result in cytoplasmic accumulation of hnRNPA2 protein.