One cohort study showed that γ-glutamyl transpeptidase levels in men and ALT levels in women are related to MS, but that direct bilirubin (DBIL), total bilirubin (TBIL), ALT, and aspartate aminotransferase (AST) levels in men and DBIL, TBIL, and AST levels in women are not [10]. Here, GPT is linked to myeloid sarcoma.