【摘 要】
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Gram-negative bacterium-released outer-membrane vesicles (OMVs) and Gram-positive bacterium-released membrane vesicles (MVs) share significant similarities with
【机 构】
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Medical College of Yangzhou Polytechnic College, Yangzhou 225009, China“,”Department of Pharmacology
论文部分内容阅读
Gram-negative bacterium-released outer-membrane vesicles (OMVs) and Gram-positive bacterium-released membrane vesicles (MVs) share significant similarities with mammalian cell-derived MVs (eg,microvesicles and exosomes) in terms of structure and their biological activities.Recent studies have revealed that bacterial OMVs/MVs could (1) interact with immune cells to regulate inflammatory responses,(2) transport virulence factors (eg,enzymes,DNA and small RNAs) to host cells and result in cell injury,(3) enhance barrier function by stimulating the expression of tight junction proteins in intestinal epithelial cells,(4) upregulate the expression of endothelial cell adhesion molecules,and (5) serve as natural nanocarriers for immunogenic antigens,enzyme support and drug delivery.In addition,OMVs/MVs can enter the systemic circulation and induce a variety of immunological and metabolic responses.This review highlights the recent advances in the understanding of OMV/MV biogenesis and their compositional remodeling.In addition,interactions between OMVs/MVs and various types of mammalian cells (ie,immune cells,epithelial cells,and endothelial cells) and their pathological/preventive effects on infectious/inflammatory diseases are summarized.Finally,methods for engineering OMVs/MVs and their therapeutic potential are discussed.
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