The article “Signaling Pathways in Tumor Vasculogenic Mimicry” by A. A. Vartanian, that was published in Biochemistry (Moscow) 77(9), pp. 1044-1055 (2012), has been retracted due to plagiarism of text and data from the previously published article titled “Signalling Pathways in Vasculogenic Mimicry” by Yvette W. J. Paulis, Patricia M. M. B. Soetekouw, Henk M. W. Verheul, Vivianne C. G. Tjan-Heijnen, and Arjan W. Griffioen, Biochimica et Biophysica Acta, Vol. 1806(1), pp. 18-28 (2010). The article should be considered non-existent and must not be cited.