WNT1 and malignant colon neoplasm: We are grateful Monika Kuciak, Grigori Singovski, Carolina Bernal, Irene Siegl-Cachedenier and other members of the Ruiz i Altaba lab for discussion or comments on the manuscript, Dr P. Gervaz (HUG) for colon cancer samples, Drs J. Kiss and P. Salmon for WNT1- and N'Δβ-CATENIN-lentivectors and Dr C. Chaponnier for conjugated Phalloidin.