GPNMB and amyotrophic lateral sclerosis: Increased were the ALS biomarker transmembrane glycoprotein GPNMB (fc = 0.9; FDR-adjusted p = 0.011), RNA binding protein RBM39 (fc = 0.3; FDR-adjusted p = 0.011) and ribosomal protein RS11 (fc = 0.5; FDR-adjusted p = 0.001), splicing factor U2AF5 (fc = 0.4; FDR-adjusted p = 0.029).