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Fiziol Zh. 2003;49(5):105-11.

Myelination and demyelination processes in the rat cerebellum cell culture: an electron microscopic study.

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  • 1A.A. Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kiev.


We observed manifestations of the myelination process in dissociated culture of the cerebellar tissue of newborn rats and modifications of the structure of myelin sheaths after treating the culture with a demyelinating factor, blood serum of patients suffering from multiple sclerosis (MS). On day in vitro (DIV) 26, in the control myelin sheaths of the axons demonstrated the closest resemblance to those observed in vivo, and we selected this term for inducing demyelination. Addition of the serum of MS patients to the culturing medium evoked rapid (in 3-6 hours) dramatic changes in the ultrastructure of myelin sheaths; these were a decrease in the number of the lamellae, their splitting and invagination, formation of vesicles, etc. The serum of MS patients in an acute stage of the disease exerted more intensive demyelination effects than that of patients in a remission stage.

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