[DNA content in the Purkinje cells of the rat cerebellum spontaneously infected with Kilham virus].

The DNA content in the cerebellum Purkinje cells of rats naturally contaminated with the Kilham virus and in the animals, in which no infection was observed, was determined cytospectrophotometrically on the Feulgen-stained preparations. The incidence of the cells with hyperdiploid nuclei was shown to be equal in the groups compared. It was concluded that the nonmultiple increase of the DNA content in the Purkinje cells of rat cerebellum was apparently unrelated to the virus infection.