TitleTumor-Infiltrating Myeloid Cells Confer De Novo Resistance to PD-L1 Blockade through EMT-Stromal and Tgfβ-Dependent Mechanisms.
Publication TypeJournal Article
Year of Publication2022
AuthorsYu H, Sfakianos JP, Wang L, Hu Y, Daza J, Galsky MD, Sandhu HS, Elemento O, Faltas BM, Farkas AM, Bhardwaj N, Zhu J, Mulholland DJ
JournalMol Cancer Ther
Volume21
Issue11
Pagination1729-1741
Date Published2022 Nov 03
ISSN1538-8514
KeywordsB7-H1 Antigen, Humans, Lymphocytes, Tumor-Infiltrating, Myeloid Cells, Signal Transduction, Transforming Growth Factor beta, Tumor Microenvironment, Urinary Bladder Neoplasms
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.

DOI10.1158/1535-7163.MCT-22-0130
Alternate JournalMol Cancer Ther
PubMed ID36129800
PubMed Central IDPMC9706595
Grant ListR01 CA197910 / CA / NCI NIH HHS / United States
R01 CA201189 / CA / NCI NIH HHS / United States
T32 AI007605 / AI / NIAID NIH HHS / United States
T32 AI007647 / AI / NIAID NIH HHS / United States