Exosomes are vesicles produced by the human body for carrying certain information from one cell to another. The carriers are nanosized vesicles carrying a wide variety of cargo like RNA, DNA, and proteins. Exosomes are also being used in the early diagnosis of various diseases and disorders. Current research focuses on exosomes tailoring for achieving therapeutic potential in various diseases and disorders. Besides this, their biocompatibility, stability, adjustable efficacy, and targeting properties make them attractive vehicles for formulation developers. Various preclinical studies suggested that the exosome culture cells are also modified with certain genes to achieve the desirable properties of resultant exosomes. The human body also produces some other vesicles like Ectosomes and Exomeres produced along with exosomes. Additionally, vesicles like Migrasomes are produced by migrating cells and apoptotic bodies, and Oncosomes are produced by cancer cells which can also be useful for the diagnosis of various diseases and disorders. For the separation of desired exosomes from other vesicles some latest techniques that can be useful viz differential centrifugation, density gradient centrifugation, and immunoaffinity purification have been discussed. Briefly, this review summarized various techniques of isolation of purified exosomes along with an overview of the application of exosomes in various neurodegenerative disorders and cancer along with various latest aspects of exosomes in disease progression and management which might be beneficial for the researchers.
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