是有一期的周总结里有篇文献提脑组织的外泌体,“Enrichment of extracellular vesicles from tissues of the central nervous system by PROSPR” Molecular Neurodegeneration (2016) 11:41 ,“Extracellular vesicles are rapidly purifed from human plasma by PRotein Organic Solvent PRecipitation (PROSPR)”Sci Rep. 2015 Sep 30;5:14664。