Tryptophan depletion sensitizes the AHR pathway by increasing AHR expression and GCN2/LAT1-mediated kynurenine uptake, and potentiates induction of regulatory T lymphocytes ============================================================================================================================================================================ * Marie Solvay * Pauline Holfelder * Simon Klaessens * Luc Pilotte * Vincent Stroobant * Juliette Lamy * Stefan Naulaerts * Quentin Spillier * Raphaël Frédérick * Etienne De Plaen * Christine Sers * Christiane A Opitz * Benoit J Van den Eynde * Jingjing Zhu