EWSR1 and amyotrophic lateral sclerosis: Approximately 10% of all ALS cases are familial, many of which have been linked to genetic mutations in RNA-binding proteins (RBPs), including Fused in sarcoma (FUS), TAR DNA-binding protein 43 (TDP43), Matrin3, Ewing sarcoma breakpoint region 1 (EWSR1), TATA-Box Binding Protein Associated Factor 15 (TAF15), heterogeneous nuclear ribonucleoprotein A1 (hnRNPA1), hnRNPA2B1, and TIA1 [15].