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Article Dans Une Revue Cell Death and Differentiation Année : 2023

The BCL2 inhibitor venetoclax mediates anticancer effects through dendritic cell activation

Résumé

BCL2 is an apoptosis-inhibitory oncoprotein that also possesses apoptosis-unrelated activities. Pharmacological BCL2 inhibitors have been developed with the scope of driving BCL2-dependent cancer cells into apoptosis, and one BCL2 antagonist, venetoclax, has been clinically approved for the treatment of specific leukemias and lymphomas. Nonetheless, it appears that venetoclax, as well as genetic BCL2 inhibition, can mediate anticancer effects through an indirect action. Such an indirect effect relies on the enhancement of the immunostimulatory function of dendritic cells, hence increasing tumor immunosurveillance. Mechanistically, BCL2 inhibition involves improved antigen presentation by conventional type-1 dendritic cells (cDC1s) due to the activation of an interferon response, leading to a T cell-mediated anticancer immune response that can be further enhanced by PD-1 blockade. These findings support the emerging hypothesis that successful antineoplastic drugs generally mediate their effects indirectly, through the immune system, rather via merely cell-autonomous effects on malignant cells.
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Dates et versions

hal-04601419 , version 1 (04-06-2024)

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Peng Liu, Liwei Zhao, Laurence Zitvogel, Oliver Kepp, Guido Kroemer. The BCL2 inhibitor venetoclax mediates anticancer effects through dendritic cell activation. Cell Death and Differentiation, 2023, 30 (12), pp.2447-2451. ⟨10.1038/s41418-023-01232-y⟩. ⟨hal-04601419⟩
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