%0 Journal Article %A Teuwen, Laure-Anne %A De Rooij, Laura P M H %A Cuypers, Anne %A Rohlenova, Katerina %A Dumas, Sébastien J %A García-Caballero, Melissa %A Meta, Elda %A Amersfoort, Jacob %A Taverna, Federico %A Becker, Lisa M %A Veiga, Nuphar %A Cantelmo, Anna Rita %A Geldhof, Vincent %A Conchinha, Nadine V %A Kalucka, Joanna %A Treps, Lucas %A Conradi, Lena-Christin %A Khan, Shawez %A Karakach, Tobias K %A Soenen, Stefaan %A Vinckier, Stefan %A Schoonjans, Luc %A Eelen, Guy %A Van Laere, Steven %A Dewerchin, Mieke %A Dirix, Luc %A Mazzone, Massimiliano %A Luo, Yonglun %A Vermeulen, Peter %A Carmeliet, Peter %T Tumor vessel co-option probed by single-cell analysis. %D 2021 %U https://hdl.handle.net/10668/27805 %X Tumor vessel co-option is poorly understood, yet it is a resistance mechanism against anti-angiogenic therapy (AAT). The heterogeneity of co-opted endothelial cells (ECs) and pericytes, co-opting cancer and myeloid cells in tumors growing via vessel co-option, has not been investigated at the single-cell level. Here, we use a murine AAT-resistant lung tumor model, in which VEGF-targeting induces vessel co-option for continued growth. Single-cell RNA sequencing (scRNA-seq) of 31,964 cells reveals, unexpectedly, a largely similar transcriptome of co-opted tumor ECs (TECs) and pericytes as their healthy counterparts. Notably, we identify cell types that might contribute to vessel co-option, i.e., an invasive cancer-cell subtype, possibly assisted by a matrix-remodeling macrophage population, and another M1-like macrophage subtype, possibly involved in keeping or rendering vascular cells quiescent. %K anti-angiogenic therapy %K cancer cells %K endothelial cells %K macrophages %K metastasis %K pericytes %K resistance %K single-cell RNA sequencing %K tumor angiogenesis %K tumor vessel co-option %~