Journal
IMMUNOLOGIC RESEARCH
Volume 36, Issue 1-3, Pages 247-254Publisher
HUMANA PRESS INC
DOI: 10.1385/IR:36:1:247
Keywords
exosomes; microvesicles; human tumors; dendritic cells; T cells; apoptosis
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Microvesicles (MV) or exosomes are produced and secreted by tumor and normal cells. The molecular profile and functions of tumor-derived vs dendritic cell (DC)-derived MV are distinct. The former express death ligands and mediate apoptosis of activated T cells. The latter promote CD4+ T cell proliferation and may play a role in regulating T cell responses. Serving as intercellular communication networks, tumor-derived MV contribute to tumor escape, while DC-derived MV drive and regulate immune response.
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