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  • 1
    Electronic Resource
    Electronic Resource
    Maturation of Purkinje cells in mouse cerebellum after neonatal administrations of cytosine arabinoside (1978)
    Springer
    Acta neuropathologica 44 (1978), S. 41-45 
    Details
    ISSN: 1432-0533
    Keywords: Cytosine arabinoside ; Cerebellum ; External granular layer ; Purkinje cells ; Synaptogenesis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary ICR-JCL strain mice were injected subcutaneously with 30 mg/kg body weight of cytosine arabinoside at 2, 3, and 4 days of age. This chemical prevented the production of the basket cells, stellate cells, and granule cells in the external granular layer of the cerebellum. Decrease in number of these microneurons affected the normal synaptic connections between the Purkinje cells and the microneurons, thus causing the disarrangement and abnormal arborization of the Purkinje cells. Of the three types of microneurons, the basket and a few stellate cells played a more important role in the disarrangement of the Purkinje cells and abnormal arborization of their primary dendrites than the granule cells did. Abnormal outgrowing directions of other smooth dendrites of the Purkinje cells were caused mainly by the diminution of stellate cells. Although parallel fibers were grossly decreased in number in the treated cerebellums, spines of the spiny dendrites of the Purkinje cells sprouted considerably in the 15-day-old mice, and then their morphological features remained even after 100 days of age.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00691637
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Cerebellar changes of the female mice heterozygous for brindled gene (1986)
    Springer
    Acta neuropathologica 69 (1986), S. 220-226 
    Details
    ISSN: 1432-0533
    Keywords: Brindled mouse ; Kinky hair disease ; Heterozygotes ; Purkinje cells ; Mitochondria
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The brindled mutation is an X-linked neurological mutation in mice. Male mice hemizygous for the brindled gene have metabolic defects homologous with kinky hair disease in humans. Neuropathologically, the mutation is characterized by extensive neuronal degeneration associated with pronounced mitochondrial changes in cerebral cortex and abnormal arborization of Purkinje cell dendrites, which are most pronounced in the rostral vermis or anterior lobules. In the cerebellum of female mice heterozygous for brindled gene, Purkinje cells with abnormal dendritic arborization and with unusually enlarged mitochondria were also observed. Morphological changes in affected Purkinje cells in young heterozygotes were similar to those of young hemizygotes. However, in older heterozygotes, the changes were far less conspicuous, indicating the presence of some extrinsic factor(s) to compensate expression of the mutant gene in heterozygous brains.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00688297
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Ultrastructural and immunohistochemical studies on non-ciliated cells of the tracheal epithelium of normal, phenobarbital-treated, and 3-methylcholanthrene-treated mice (1985)
    Springer
    Cell & tissue research 240 (1985), S. 501-504 
    Details
    ISSN: 1432-0878
    Keywords: Non-ciliated tracheal cell ; Smooth endoplasmic reticulum ; Ultrastructure ; Cytochrome P-450 ; Immunohistochemistry ; Mouse
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Non-ciliated SER-rich cells of the tracheal epithelium of normal, phenobarbital-treated and 3-methylcholanthrene-treated mice were studied ultrastructurally and immunohistochemically. The apical portion of these cells protrudes into the tracheal lumen, especially in the mice treated with the two compounds, and the apical cytoplasm is filled with numerous tubular elements of SER. Besides, the non-ciliated cells of 3-methylcholanthrene-treated mice show a strong positive reaction to the antiserum against microsomal cytochrome P-450 of liver. These findings support the concept that the non-ciliated tracheal cell may be involved in the metabolism of endogeneous and exogeneous chemical compounds.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00222368
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Ultrastructural and immunohistochemical studies on steroid-secreting cells of the testis and ovary of normal and 3-methylcholanthrene-treated mice (1986)
    Springer
    Cell & tissue research 245 (1986), S. 681-683 
    Details
    ISSN: 1432-0878
    Keywords: Smooth endoplasmic reticulum ; Cytochrome P-450 ; Testis ; Ovary ; Immunohistochemistry ; Mouse
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The testis and ovary of normal and 3-methylcholanthrene-treated mice were studied ultrastructurally and immunohistochemically in order to learn whether steroid-secreting cells of the gonads are involved in drug metabolism. The steroid-secreting cells, i.e., Leydig cells of the testis, and theca interna cells, interstitial gland cells, and corpus luteum cells of the ovary of 3-methylcholanthrene-treated mice, show a strong positive reaction to the antiserum against, hepatic microsomal cytochrome P-450, of liver which is the terminal oxidase of the drug-metabolizing enzyme complex. In addition, it was found that elements of smooth endoplasmic reticulum (SER) in drug-treated mice become well developed as compared with those in control animals. These findings indicate that the steroid secreting cells in testis as well as ovary are involved in the metabolism of both endogenous and exogenous chemical compounds.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00218572
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    Paper (German National Licenses)
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