Definition of "exosome" [exosome]

• A vesicle responsible for the selective removal of plasma membrane proteins (noun)

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• "In their study, published in the Dec. 28 issue of Cell, the scientists zoomed in on a specific subclass of transcripts that are under the control of the exosome, a molecular machine in charge of controlled RNA degradation."
• "ESI is focused on the development of exosome-targeted products and services that improve cancer diagnosis, provide post-treatment cancer surveillance, and aid in the discovery of biomarkers that allow doctors to optimize patient therapy."
• "The resulting design provides us the novel ability to separate both exosome and viral targets away from blood cells so they can then be selectively and permanently removed from the circulatory system."