HNRNPA1 and amyotrophic lateral sclerosis: Additional SG components with LC domains, such as FUS, TIA‐1, Ataxin‐2, or hnRNPA1, have also been linked to protein aggregates in ALS patients (Vance et al, 2009; Elden et al, 2010; Kim et al, 2013a; Li et al, 2013; Ramaswami et al, 2013).