Hugo Croizer, Rana Mhaidly, Yann Kieffer, Geraldine Gentric, Lounes Djerroudi, Renaud Leclere, Floriane Pelon, Catherine Robley, Mylene Bohec, Arnaud Meng, Didier Meseure, Emanuela Romano, Sylvain Baulande, Agathe Peltier, Anne Vincent-Salomon, Fatima Mechta-Grigoriou
Although heterogeneity of FAP+ Cancer-Associated Fibroblasts (CAF) has been described in breast cancer, their plasticity and spatial distribution remain poorly understood. Here, we analyze trajectory inference, deconvolute spatial transcriptomics at single-cell level and perform functional assays to generate a high-resolution integrated map of breast cancer (BC), with a focus on inflammatory and myofibroblastic (iCAF/myCAF) FAP+ CAF clusters. We identify 10 spatially-organized FAP+ CAF-related cellular niches, called EcoCellTypes, which are differentially localized within tumors...
April 1, 2024: Nature Communications