Contextual cues from cancer cells govern cancer-associated fibroblast heterogeneity
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Cancer cells function as primary architects of the tumor microenvironment. However, the molecular features of cancer cells that govern stromal cell phenotypes remain unclear. Here, we show that cancer-associated fibroblast (CAF) heterogeneity is driven by lung adenocarcinoma (LUAD) cells at either end of the epithelial-to-mesenchymal transition (EMT) spectrum. LUAD cells that have high expression of the EMT-activating transcription factor ZEB1 reprogram CAFs through a ZEB1-dependent secretory program and direct CAFs to the tips of invasive projections through a ZEB1-driven CAF repulsion process. The EMT, in turn, sensitizes LUAD cells to pro-metastatic signals from CAFs. Thus, CAFs respond to contextual cues from LUAD cells to promote metastasis.
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Bota-Rabassedas, Neus, Banerjee, Priyam, Niu, Yichi, et al.. "Contextual cues from cancer cells govern cancer-associated fibroblast heterogeneity." Cell Reports, 35, no. 3 (2021) Cell Press: https://doi.org/10.1016/j.celrep.2021.109009.