GPT and amyotrophic lateral sclerosis: The whole group of ALS patients was comparable to CTR for all the considered parameters, except for glutamic oxaloacetic transaminase/aspartate aminotransferase (GOT (AST)) and glutamate-pyruvate transaminase 1/alanine aminotransferase (GPT (ALT)) levels, which were significantly increased (p < 0.05, Table 1).