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Título: | Extracellular vesicles and microvilli in the immune synapse |
Autor: | Ruiz-Navarro, Javier; Calvo, Víctor; Izquierdo, Manuel CSIC ORCID | Palabras clave: | FMNL1β T lymphocytes Actin cytoskeleton Extracellular vesicles Immune synapse Microvilli Multivesicular bodies Protein kinase C δ |
Fecha de publicación: | ene-2024 | Editor: | Frontiers Media | Citación: | Frontiers in Immunology 14: 1324557 (2023) | Resumen: | T cell receptor (TCR) binding to cognate antigen on the plasma membrane of an antigen-presenting cell (APC) triggers the immune synapse (IS) formation. The IS constitutes a dedicated contact region between different cells that comprises a signaling platform where several cues evoked by TCR and accessory molecules are integrated, ultimately leading to an effective TCR signal transmission that guarantees intercellular message communication. This eventually leads to T lymphocyte activation and the efficient execution of different T lymphocyte effector tasks, including cytotoxicity and subsequent target cell death. Recent evidence demonstrates that the transmission of information between immune cells forming synapses is produced, to a significant extent, by the generation and secretion of distinct extracellular vesicles (EV) from both the effector T lymphocyte and the APC. These EV carry biologically active molecules that transfer cues among immune cells leading to a broad range of biological responses in the recipient cells. Included among these bioactive molecules are regulatory miRNAs, pro-apoptotic molecules implicated in target cell apoptosis, or molecules triggering cell activation. In this study we deal with the different EV classes detected at the IS, placing emphasis on the most recent findings on microvilli/lamellipodium-produced EV. The signals leading to polarized secretion of EV at the synaptic cleft will be discussed, showing that the IS architecture fulfills a fundamental task during this route. | Versión del editor: | https://doi.org/10.3389/fimmu.2023.1324557 | URI: | http://hdl.handle.net/10261/347481 | DOI: | 10.3389/fimmu.2023.1324557 | E-ISSN: | 1664-3224 |
Aparece en las colecciones: | (IIBM) Artículos |
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Ruiz_Navarro et alfimmu-14-1324557.pdf | 9,36 MB | Adobe PDF | Visualizar/Abrir |
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