期刊
VIRUSES-BASEL
卷 14, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/v14030630
关键词
prion; pathogenesis; transport; nerves
类别
资金
- NIH NINDS [1R01NS107246]
Prion diseases are transmissible protein misfolding disorders that cause inflammation, cellular degeneration, and death in the central nervous system. The spread of prions from peripheral sites to the central nervous system occurs through neuroanatomical networks. Current research focuses on the mechanisms of prion transport associated with axons.
Prion diseases are transmissible protein misfolding disorders that occur in animals and humans where the endogenous prion protein, PrP(C), undergoes a conformational change into self-templating aggregates termed PrPSc. Formation of PrPSc in the central nervous system (CNS) leads to gliosis, spongiosis, and cellular dysfunction that ultimately results in the death of the host. The spread of prions from peripheral inoculation sites to CNS structures occurs through neuroanatomical networks. While it has been established that endogenous PrP(C) is necessary for prion formation, and that the rate of prion spread is consistent with slow axonal transport, the mechanistic details of PrPSc transport remain elusive. Current research endeavors are primarily focused on the cellular mechanisms of prion transport associated with axons. This includes elucidating specific cell types involved, subcellular machinery, and potential cofactors present during this process.
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