title: Tumor-released microvesicles as vehicles of immunosuppression.
abstract: Tumor-released microvesicles, or exosomes, which are abundant in the body fluids of patients with cancer, are likely to be involved in tumor progression. We recently showed that microvesicles released by human melanoma and colorectal carcinoma cells can promote the differentiation of monocytes to myeloid-derived suppressor cells which support tumoral growth and immune escape. These findings underscore an important role for these extracellular organelles in remodeling tumor-stromal interactions to promote malignancy.
authors.affiliation: Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale per lo Studio e la Cura dei Tumori, Milan, Italy.
authors.forename: Roberta
authors.initials: R
authors.lastname: Valenti
authors.forename: Veronica
authors.initials: V
authors.lastname: Huber
authors.forename: Manuela
authors.initials: M
authors.lastname: Iero
authors.forename: Paola
authors.initials: P
authors.lastname: Filipazzi
authors.forename: Giorgio
authors.initials: G
authors.lastname: Parmiani
authors.forename: Licia
authors.initials: L
authors.lastname: Rivoltini
mesh_terms: D002454:Cell Differentiation / Q000276:immunology; D005089:Exocytosis / Q000276:immunology; D006801:Humans; D007108:Immune Tolerance / Q000276:immunology; D009000:Monocytes / Q000166:cytology / Q000276:immunology; D009369:Neoplasms / Q000276:immunology* / Q000473:pathology; D022161:Transport Vesicles / Q000276:immunology* / Q000473:pathology; D019139:Tumor Escape