This protocol provides a standardized workflow for the isolation of extracellular vesicles (EVs) from mouse retinal tissue, and includes an assessment of EV size and concentration, marker expression, and EV visualization in accordance with the International Society for Extracellular Vesicles Minimal Information for Studies of Extracellular Vesicles (MISEV) guidelines. Most retinal EV studies rely on cell culture, which may not fully capture in vivo biology. Our approach more accurately reflects physiological and pathological EV states in vivo by enabling the extraction of EVs from intact retinal tissue. This method addresses a key gap in the field by providing a reproducible and rigorous protocol for studying retinal EVs in a biologically relevant context.
Ahmed, I., Gololobova, O., Amanullah, M., Troyer, Z., Yu, J. H., Handa, J. T., Qian, J., Blackshaw, S., Witwer, K.
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