Tumor cell migration is a key process for cancer cell dissemination and metastasis that is controlled by signal-mediated cytoskeletal and cell matrix adhesion remodeling. Using a phagokinetic track assay with migratory H1299 cells, we performed an siRNA screen of almost 1,500 genes encoding kinases/phosphatases and adhesome- and migration-related proteins to identify genes that affect tumor cell migration speed and persistence. Thirty candidate genes that altered cell migration were validated in live tumor cell migration assays. Eight were associated with metastasis-free survival in breast cancer patients, with integrin β3–binding protein (
Wies van Roosmalen, Sylvia E. Le Dévédec, Ofra Golani, Marcel Smid, Irina Pulyakhina, Annemieke M. Timmermans, Maxime P. Look, Di Zi, Chantal Pont, Marjo de Graauw, Suha Naffar-Abu-Amara, Catherine Kirsanova, Gabriella Rustici, Peter A.C. ‘t Hoen, John W.M. Martens, John A. Foekens, Benjamin Geiger, Bob van de Water
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