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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 30 (1974), S. 25-31 
    ISSN: 1432-0533
    Keywords: Hormones ; Organ Culture ; Cerebellum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Fragments of cerebellar cortex from adult rats were maintained as organ cultures for 10 days. Insulin (1.0–1000 μg/ml), triiodothyronine (1.0–1000 ng/ml) and corticosterone (0.1–100 μg/ml) were added to the media of 85 cultures, while 25 with no added hormones served as controls. Survival of neurons and of connective tissue was somewhat improved in the presence of insulin, the optimal level being 100 μg/ml. Triiodothyronine was toxic to all components of the cultures to an extent proportional to the concentration. Corticosterone caused some neuronal damage and suppressed the growth of connective tissue, though these effects were not clearly related to the concentrations in the media. The actions of the hormones on cultured CNS tissue are discussed in relation to their effects on the injured CNSin vivo.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 41 (1978), S. 197-200 
    ISSN: 1432-0533
    Keywords: Autoimmunity ; Experimental allergic neuritis ; Peripheral nerve ; Axonal regeneration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary It has recently been suggested that severed axons fail to regenerate in the mammalian central nervous system as a result of an autoimmune reaction to myelin basic protein released into the circulation at the time of injury. Since the autoantigenic components of peripheral myelin are rapidly phagocytosed after axonal transection, it is claimed that a comparable immune response does not occur following injury to peripheral nerves, so the regenerative process is not hindered. If this contention is correct, it should be possible to inhibit the regeneration of peripheral axons by inoculating animals with suitable neuritogenic homogenates of peripheral nervous tissue. It has been shown that axonal regeneration proceeds at the same rate in rats with experimental allergic neuritis as in healthy controls inoculated only with Freund's adjuvant. It is unlikely, therefore that myelin basic proteins can stimulate the production of antibodies capable of inhibiting regenerative axonal growth.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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