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Antigen Presentation by Extracellular Vesicles from Professional Antigen-Presenting Cells

机译:来自专业抗原呈递细胞的细胞外囊的抗原呈现

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The initiation and maintenance of adaptive immunity require multifaceted modes of communication between different types of immune cells, including direct intercellular contact, secreted soluble signaling molecules, and extracellular vesicles (EVs). EVs can be formed as microvesicles directly pinched off from the plasma membrane or as exosomes secreted by multivesicular endosomes. Membrane receptors guide EVs to specific target cells, allowing directional transfer of specific and complex signaling cues. EVs are released by most, if not all, immune cells. Depending on the type and status of their originating cell, EVs may facilitate the initiation, expansion, maintenance, or silencing of adaptive immune responses. This review focusses on EVs from professional antigen-presenting cells, their demonstrated and speculated roles, and their potential for cancer immunotherapy.
机译:自适应免疫的起始和维持需要不同类型的免疫细胞之间的多方沟通方式,包括直肠间触点,分泌的可溶信号传导分子和细胞外囊泡(EVS)。 EVS可以形成为从血浆膜直接挤出的微泡,或者通过多友多骨囊分泌的外泌体。 膜受体引导EVS至特定的靶细胞,允许特定和复杂的信号线的定向转移。 EVS由大多数,如果不是全部,免疫细胞释放。 根据其始发细胞的类型和状态,EVS可以促进适应性免疫反应的启动,扩展,维护或沉默。 本综述侧重于专业抗原呈递细胞的EVS,其证明和推测的角色以及它们对癌症免疫疗法的潜力。

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