Author By charles_lbsPosted on 21 April 20155 March 2025 IDO1 Expression Does Not Strictly Match L-Kynurenine Production In Cancer Tissues This PLOS ONE paper, co-authored by Alban Bessède, CSO of Explicyte, demonstrates that the expression of tryptophan-degrading enzyme IDO1 is not strictly associated with L-Kynurenine production in breast and colorectal cancer tissues.