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  • Title: Oligodendroglial cell development in jimpy mice and controls. An electron-microscopic study in the optic nerve.
    Author: Meier C, Bischoff A.
    Journal: J Neurol Sci; 1975 Dec; 26(4):517-28. PubMed ID: 1206429.
    Abstract:
    Glial development was studied in the optic nerve of 1- to 28-day-old Jimpy mice and controls. Abnormalities were found in oligodelopment and axons were not affected. These consisted in (a) Increased numbers of glioblastic cells containing lipids and increased occurrence of glial cell death in the premyelination stage; (b) Decreased numbers of maturing oligodendrocytes (i.e. young and active oligodendrocytes) in the period of early myelination; (c) An occurrence of abnormal oligodendroglial cells containing lipids and multimembranous tubes in the period of advanced myelination. The decreased number of maturing oligodendrocytes in the premyelination stage indicates that the lack of myelin in Jimpy mice may be secondary to a disturbance in the differentiation of the oligodendroglial cell line. The occurrence of abnormal, lipid-containing glioblasts and oligodendrocytes may be an expression of a defect in metabolism leading to an abnormality in the association of myelin proteins and myelin lipids.
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