
Keywords: ALS; amyotrophic lateral sclerosis; AR; androgen receptor; BDNF; brain-derived neurotrophic factor; CGRP; calcitonin gene-related peptide; ChAT; choline acetyltransferase; DAB; diaminobenzidine; DLN; dorsal nucleus; ENK; enkephalin; GFAP; glial fibrillary