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Abstract
The transmissible nature of prion diseases enables reproduction of neurodegeneration in small animal models that faithfully follows the disease process observed in the natural disease of animals and humans. This allows the temporal development of disease to be investigated and correlated with pathology in a complex brain environment. In this issue of the JCI, Makarava et al. describe a shift in microglia morphology from an active phagocytic phenotype to a passive association with neuronal cell bodies. Whether this morphological change reflects a supportive action of microglia in response to neuronal impairment or exhaustion of PrPSc-laden microglia remains to be determined. However, if microglial populations effectively contain PrPSc propagation early in the infection process, as the current study suggests, identifying ways to maintain or enhance the function of this cell population could be the key to prolonging patient survival.
Authors
Victoria A. Lawson
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|---|---|---|
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| Figure | 125 | 0 |
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ISSN: 0021-9738 (print), 1558-8238 (online)