Newt cells secrete extracellular vesicles with therapeutic bioactivity in mammalian cardiomyocytes. - Middleton RC; Rogers RG; De Couto G; Tseliou E; Luther K; Holewinski R; Soetkamp D; Van Eyk JE; Antes TJ; Marbán E (Journal of extracellular vesicles, 2018)