[Viral oncogens and carcinogenesis].

The modern concepts of tumorigenic virus oncogenes are discussed. The available literature data on the identification of oncogenes of polyoma-, adeno- and oncoviruses and the corresponding protein the products of oncogenes, are reported. Under consideration is the idea of the cellular origin of virus oncogenes. It is suggested that the study of virus oncogenes would offer some new methodical approaches to the identification of cell genes, which impairment results in cell malignification.