期刊
IMMUNOLOGICAL REVIEWS
卷 312, 期 1, 页码 76-102出版社
WILEY
DOI: 10.1111/imr.13107
关键词
engineered exosomes; designer's exosomes; manipulation of biogenesis; exosomes; and immune cells; separation of exosomes; therapeutic exosomes
类别
资金
- American Heart Association [19TPA34850076]
- National Institute of Neurological Disorders and Stroke [R01NS110378]
Exosomes are small extracellular vesicles secreted by cells, capable of altering the microenvironment through interactions with other cells. Engineered and designer exosomes hold great potential for delivering drugs and biologically active molecules to specific sites, opening up new avenues for diagnosis and treatment.
Exosomes are a type of extracellular vesicle (EV) with diameters of 30-150 nm secreted by most of the cells into the extracellular spaces and can alter the microenvironment through cell-to-cell interactions by fusion with the plasma membrane and subsequent endocytosis and release of the cargo. Because of their biocompatibility, low toxicity and immunogenicity, permeability (even through the blood-brain barrier (BBB)), stability in biological fluids, and ability to accumulate in the lesions with higher specificity, investigators have started making designer's exosomes or engineered exosomes to carry biologically active protein on the surface or inside the exosomes as well as using exosomes to carry drugs, micro RNA, and other products to the site of interest. In this review, we have discussed biogenesis, markers, and contents of various exosomes including exosomes of immune cells. We have also discussed the current methods of making engineered and designer's exosomes as well as the use of engineered exosomes targeting different immune cells in the tumors, stroke, as well as at peripheral blood. Genetic engineering and customizing exosomes create an unlimited opportunity to use in diagnosis and treatment. Very little use has been discovered, and we are far away to reach its limits.
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