O.V. Kovaleva - Ph.D. (Biol.), Research Scientist, Laboratory of regulation of cellular and viral oncogenes, Institute of Carcinogenesis, Russian Cancer Research Center, Moscow E-mail: ovkovaleva@gmail.com N.A. Oleinikova - Post-graduate Student, Department of Physiology and Pathology, Faculty of Basic Medi-cine, Lomonosov Moscow State University E-mail: ale_x_05@mail.ru N.V. Danilova - Ph.D. (Med.), Assistant, Department Physiology and Pathology, Faculty of Basic Medicine, Lomonosov Moscow State University E-mail: natalyadanilova@gmail.com P.G. Malkov - Chair of pathology, Department Physiology and Pathology, Faculty of Basic Medicine, Lomo-nosov Moscow State University E-mail: malkovp@fbm.msu.ru A.N. Gratchev - Dr. Sc. (Biol.), Head of the laboratory of tumor stromal cells biology, Institute of Carcinogenesis, Russian Cancer Research Center, Moscow E-mail: alexei.gratchev@gmail.com