ORIGINAL RESEARCHAccepted on 16 Oct 2025Adverse Pro-Tumorigenic Effects of IDO1 Catalytic Inhibitors Mediated by the Non-Enzymatic Function of IDO1 in Tumor CellsSofia RossiniSara AmbrosinoClaudia VolpiChiara SuvieriMaria Teresa PallottaMaria Laura BelladonnaAntonio MacchiaruloElisabeth HennesSlava Ziegler1 more Ciriana Orabonadoi 10.3389/fimmu.2025.1680896