Linked Life Data

15479454

Source:http://linkedlifedata.com/resource/pubmed/id/15479454

Statements in which the resource exists.
SubjectPredicateObjectContext
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pubmed-article:15479454pubmed:abstractTextMultivesicular bodies contain membrane vesicles which either undergo lysosomal digestion or are released in the extracellular environment as exosomes. Evidence is accumulating that supports a physiological role for exosomes in, for example, antigen presentation or removal of transferrin receptor during reticulocyte development. Here, inspired by observations on exosomal release from reticulocytes, we discuss the potential involvement of the so-called ESCRT mechanism in the entrapment of both lysosomal and exosomal cargo within the intralumenal vesicles of multivesicular bodies. We propose that this mechanism operates at different sites in the endocytic itinerary in different cells, thereby providing a tool for directional sorting. We also explore the possibility that the efficiency of sorting of molecules into exosomes increases when the recycling kinetics of molecules decreases, exosomal sorting being favored by intermolecular interactions occurring within lipid domains, or with protein webs, that slow lateral mobility. These considerations are mirrored in the context of current knowledge on the mechanism of protein sorting for degradation in lysosomes, and the hijacking of such mechanisms by some retroviruses for particle budding.lld:pubmed
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pubmed-article:15479454pubmed:dateRevised2006-11-15lld:pubmed
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pubmed-article:15479454pubmed:year2004lld:pubmed
pubmed-article:15479454pubmed:articleTitleExosome secretion: the art of reutilizing nonrecycled proteins?lld:pubmed
pubmed-article:15479454pubmed:affiliationUMR CNRS 5539, Université Montpellier II, cc107, 34095 Montpellier, France.lld:pubmed
pubmed-article:15479454pubmed:publicationTypeJournal Articlelld:pubmed
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pubmed-article:15479454pubmed:publicationTypeResearch Support, Non-U.S. Gov'tlld:pubmed
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