Yu.S. Timofeev - Physician of Clinical Laboratory Diagnostics, Clinical Biochemistry laboratory, Russian Cancer Research Center of N.N. Blokhin (Moscow). E-mail: timofeev_lab@mail.ru U.R. Mamedov - Ph. D. (Med.), Senior Research Scientist, Russian Canter Research Center of N.N. Blokhin O.I. Kostyleva - Ph. D. (Med.), Senior Research Scientist, Russian Canter Research Center of N.N. Blokhin А.V. Маslyaev - Oncologist, Russian Canter Research Center of N.N. Blokhin I.K. Vorotnikov - Dr. Sc. (Med.), Professor, Russian Canter Research Center of N.N. Blokhin E.S. Gershtein - Dr. Sc. (Biol.), Russian Canter Research Center of N.N. Blokhin