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Ectosomes as modulators of inflammation and immunity

Sadallah, S. and Eken, C. and Schifferli, J. A.. (2011) Ectosomes as modulators of inflammation and immunity. Clinical and experimental immunology, Vol. 163, no. 1. pp. 26-32.

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Official URL: http://edoc.unibas.ch/dok/A6007484

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Abstract

Vesicles released by cells have been described using various names, including exosomes, microparticles, microvesicles and ectosomes. Here we propose to differentiate clearly between ectosomes and exosomes according to their formation and release. Whereas exosomes are formed in multi-vesicular bodies, ectosomes are vesicles budding directly from the cell surface. Depending upon the proteins expressed, exosomes activate or inhibit the immune system. One of the major properties of exosomes released by antigen-presenting cells is to induce antigen-specific T cell activation. Thus, they have been used for tumour immunotherapy. By contrast, the major characteristics of ectosomes released by various cells, including tumour cells, polymorphonuclear leucocytes and erythrocytes, are the expression of phosphatidylserine and to have anti-inflammatory/immunosuppressive activities similarly to apoptotic cells.
Faculties and Departments:03 Faculty of Medicine > Departement Biomedizin > Former Units at DBM > Immunonephrology (Schifferli)
UniBasel Contributors:Schifferli, Jürg A.
Item Type:Article, refereed
Article Subtype:Further Journal Contribution
Bibsysno:Link to catalogue
Publisher:Blackwell
ISSN:0009-9104
Note:Publication type according to Uni Basel Research Database: Journal item
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Last Modified:21 Jun 2013 12:29
Deposited On:21 Jun 2013 12:24

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