However, PABPN1 aggregates are found in a small percentage of myonuclei in both affected and unaffected muscles from individuals with OPMD (Tome and Fardeau, 1980; Uyama et al., 2000; Dion et al., 2005; Gidaro et al., 2013). Here, PABPN1 is linked to oculopharyngeal muscular dystrophy.