Abstract
In order to better understand the actions of proinflammatory cytokines in the mammalian CNS, a transgenic approach was employed in which the expression of IL-6, IL-3 or TNF-α was targeted to astrocytes in the intact CNS of mice. Transgenic mice exhibited distinct chronic-progressive neurological disorders with neurodegeneration and cognitive decline due to IL-6 expression, macrophage/microglial-mediated primary demyelination with motor impairment due to IL-3 expression and lymphocytic meningoencephalomyelitis with paralysis induced by TNF-αexpression. Thus, expression of specific cytokines alone in the intact CNS results in unique neuropathological alterations and functional impairments, thereby directly implicating these mediators in the pathogenesis of CNS disease.
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Campbell, I., Stalder, A., Chiang, CS. et al. Transgenic models to assess the pathogenic actions of cytokines in the central nervous system. Mol Psychiatry 2, 125–129 (1997). https://doi.org/10.1038/sj.mp.4000225
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DOI: https://doi.org/10.1038/sj.mp.4000225
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