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Tumor-Infiltrating Myeloid Cells Confer De Novo Resistance to PD-L1 Blockade Through EMT-Stromal and Tgfβ-Dependent Mechanisms

Overview
Journal Mol Cancer Ther
Date 2022 Sep 21
PMID 36129800
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Abstract

Most patients with bladder cancer do not respond to ICB targeting of the PD-L1 signaling axis. Our modeling applied a de novo resistance signature to show that tumor-infiltrating myeloid cells promote poor treatment response in a TGFβ-dependent mechanism.

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References
1.
Weide B, Martens A, Zelba H, Stutz C, Derhovanessian E, Di Giacomo A . Myeloid-derived suppressor cells predict survival of patients with advanced melanoma: comparison with regulatory T cells and NY-ESO-1- or melan-A-specific T cells. Clin Cancer Res. 2013; 20(6):1601-9. DOI: 10.1158/1078-0432.CCR-13-2508. View

2.
Azizi E, Carr A, Plitas G, Cornish A, Konopacki C, Prabhakaran S . Single-Cell Map of Diverse Immune Phenotypes in the Breast Tumor Microenvironment. Cell. 2018; 174(5):1293-1308.e36. PMC: 6348010. DOI: 10.1016/j.cell.2018.05.060. View

3.
Wang L, Saci A, Szabo P, Chasalow S, Castillo-Martin M, Domingo-Domenech J . EMT- and stroma-related gene expression and resistance to PD-1 blockade in urothelial cancer. Nat Commun. 2018; 9(1):3503. PMC: 6115401. DOI: 10.1038/s41467-018-05992-x. View

4.
Duan Z, Luo Y . Targeting macrophages in cancer immunotherapy. Signal Transduct Target Ther. 2021; 6(1):127. PMC: 7994399. DOI: 10.1038/s41392-021-00506-6. View

5.
Xu C, Su Z . Identification of cell types from single-cell transcriptomes using a novel clustering method. Bioinformatics. 2015; 31(12):1974-80. PMC: 6280782. DOI: 10.1093/bioinformatics/btv088. View