Targeting two radiation-induced immunosuppressive pathways to improve the efficacy of normofractionated radiation therapy in a preclinical colorectal cancer model.

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Date publication

mars 2024

Journal

International journal of radiation biology

Auteurs

Membres identifiés du Cancéropôle Est :
Pr ADOTEVI Olivier, Pr GHIRINGHELLI François, Dr MIRJOLET Céline, Pr TRUC Gilles, Dr LIMAGNE Emeric, Dr BOUSTANI Jihane


Tous les auteurs :
Boustani J, Lecoester B, Baude J, Latour C, Limagne E, Ladjohoulou R, Morgand V, Froidurot L, Ghiringhelli F, Truc G, Adotévi O, Mirjolet C

Résumé

We have previously demonstrated in a murine colorectal cancer model that normofractionated RT (normoRT: 18 × 2 Gy) induced MDSC infiltration and PD-L1 expression, while hypofractionated RT (hypoRT: 3 × 8 Gy) induced Treg. Here, we wanted to assess whether the association of normoRT with treatments that target two radiation-induced immunosuppressive pathways (MDSC and PD-L1) could improve tumor control.

Mots clés

Radiation therapy, fractionation, immunosuppressive pathways, immunotherapy, treatment combination

Référence

Int J Radiat Biol. 2024 03 20;:1-10