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- Title
A New Take on Prion Protein Dynamics in Cellular Trafficking.
- Authors
Alves, Rodrigo Nunes; Iglesia, Rebeca Piatniczka; Prado, Mariana Brandão; Melo Escobar, Maria Isabel; Boccacino, Jacqueline Marcia; Fernandes, Camila Felix de Lima; Coelho, Bárbara Paranhos; Fortes, Ailine Cibele; Lopes, Marilene Hohmuth
- Abstract
The mobility of cellular prion protein (PrPC) in specific cell membrane domains and among distinct cell compartments dictates its molecular interactions and directs its cell function. PrPC works in concert with several partners to organize signaling platforms implicated in various cellular processes. The scaffold property of PrPC is able to gather a molecular repertoire to create heterogeneous membrane domains that favor endocytic events. Dynamic trafficking of PrPC through multiple pathways, in a well-orchestrated mechanism of intra and extracellular vesicular transport, defines its functional plasticity, and also assists the conversion and spreading of its infectious isoform associated with neurodegenerative diseases. In this review, we highlight how PrPC traffics across intra- and extracellular compartments and the consequences of this dynamic transport in governing cell functions and contributing to prion disease pathogenesis.
- Subjects
PRIONS; MOLECULAR interactions; PRION diseases; CELL physiology; CELL membranes
- Publication
International Journal of Molecular Sciences, 2020, Vol 21, Issue 20, p7763
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms21207763