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ORIGINAL RESEARCH
Immunohistochemical expression of Nanog protein in prostate cancer cells of distinct grade groups
1 Peoples’ Friendship University of Russia, Moscow, Russia
2 Research Institute of Human Morphology, Moscow, Russia
3 Hospital for War Veterans № 2, Moscow, Russia
Correspondence should be addressed: Georgy Yu. Kudryavtsev
Baikalskaya, 35, apt. 216, Moscow, 107207; ur.liam@ahsogk
Compliance with ethical standards: the study was approved by the Ethics Committee of Medical Institute of the Peoples' Friendship University of Russia (protocol № 13 dated December 19, 2019); the study design was consistent with the Declaration of Helsinki guidelines regarding the research involving identifiable human tissue samples. The informed consent was submitted by all patients.
Author contribution: Kudryavtsev GYu, Kudryavtsevа YaYu, Solovyeva NA — literature survey, manuscript writing; Kudryavtseva LV, Osipov VA — statistical data processing; Mikhaleva LM — sample collection and processing; Babichenko II — study concept and design.