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Casein-enhanceduptakeanddisease-modifyingbioactivityofingestedextracellularvesicles.
Extracellularvesicles(EVs)fromcardiacstromalcells,developedastherapeuticcandidates,improvedystrophicmusclefunctionwhenadministeredparenterally,butoraldeliveryremainsuntested.Wefindthatcasein,thedominantproteininbreastmilk,enhancestheuptakeandbioactivityofingestedheart-derivedEVs,alteringgeneexpressioninbloodcellsandenhancingmusclefunctioninmdxmicewithmusculardystrophy.Thus,EVs,administeredorally,areabsorbedandexertdisease-modifyingbioactivityinvivo.FormulatingEVswithcaseinenhancesuptakeandmarkedlyexpandstherangeofpotentialtherapeuticapplications.
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