Exosomes are small extracellular vesicles (sEVs) secreted from cells and have a general diameter ranging from 30~150 nm. It was reported that exosomes have essential roles in intercellular communication and can be targeted as biomarkers of disease or as therapeutic agents. Among the different techniques used for exosome investigation, the mass spectrometry-based proteomics approach has accelerated the unraveling of the molecular composition of exosomes and has contributed to improved knowledge of molecular processes in various diseases. In this review, we focused on proteomics-based studies of exosomes and clinical applications in kidney diseases. A general introduction of exosomes, isolation and characterization techniques, and proteomics-based study workflows are included in this article. We also categorized applications in acute kidney injury, chronic kidney disease, renal transplantation, congenital kidney disease, and malignant kidney disorder to show the important findings from proteomics-based exosomal investigations.

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Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.