A lymph node-to-tumour PD-L1+macrophage circuit antagonizes dendritic cell immunotherapy
J. Sprooten, I. Vanmeerbeek, A. Datsi, J. Govaerts, D. Borras, S. Naulaerts, R. Laureano, A. Calvet, M. Kuballa, M. Sabel, M. Rapp, C. Knobbe-Thomsen, P. Liu, L. Zhao, O. Kepp, , A. D. Garg
This paper shows that DC vaccines can activate PD-L1+ macrophages in lymph nodes and tumors, creating an immunosuppressive circuit that limits their effectiveness, but this can be overcome by combining with PD-L1 blockade.
bioRxiv · Mar 14, 2023Immunology