Kansai Medical University

Indoleamine 2,3‐Dioxygenase 1 as an Adjunctive Histopathological Marker of Cholangitis Activity in Primary Biliary Cholangitis

ABSTRACT Aim To investigate the expression and clinicopathological significance of indoleamine 2,3‐dioxygenase 1 (IDO‐1) in primary biliary cholangitis (PBC), particularly its potential role as an adjunctive histopathological marker for diagnosis in early or atypical cases and as...