Exosomes as drug delivery vehicles for Parkinson's disease therapy

被引:1532
作者
Haney, Matthew J. [1 ,2 ]
Klyachko, Natalia L. [1 ,2 ,3 ]
Zhao, Yuling [1 ,2 ]
Gupta, Richa [1 ,2 ]
Plotnikova, Evgeniya G. [3 ]
He, Zhijian [1 ,2 ]
Patel, Tejash [2 ]
Piroyan, Aleksandr [1 ,2 ]
Sokolsky, Marina [1 ,2 ]
Kabanov, Alexander V. [1 ,2 ,3 ]
Batrakova, Elena V. [1 ,2 ]
机构
[1] Univ N Carolina, Eshelman Sch Pharm, Ctr Nanotechnol Drug Delivery, Chapel Hill, NC 27599 USA
[2] Univ N Carolina, Eshelman Sch Pharm, Chapel Hill, NC 27599 USA
[3] Moscow MV Lomonosov State Univ, Fac Chem, Dept Chem Enzymol, Moscow 117234, Russia
基金
美国国家卫生研究院; 俄罗斯科学基金会;
关键词
Blood-brain barrier; Catalase; Exosomes; Neuroinflammation; Oxidative stress; Parkinson's disease; ACCELERATED BLOOD CLEARANCE; SUPEROXIDE-DISMUTASE; PEGYLATED LIPOSOMES; MACROPHAGE DELIVERY; ALZHEIMERS-DISEASE; MEDIATED TRANSFER; OXIDATIVE STRESS; SIRNA DELIVERY; MOUSE MODEL; IN-VITRO;
D O I
10.1016/j.jconrel.2015.03.033
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Exosomes are naturally occurring nanosized vesicles that have attracted considerable attention as drug delivery vehicles in the past few years. Exosomes are comprised of natural lipid bilayers with the abundance of adhesive proteins that readily interact with cellular membranes. We posit that exosomes secreted by monocytes and macrophages can provide an unprecedented opportunity to avoid entrapment in mononuclear phagocytes (as a part of the host immune system), and at the same time enhance delivery of incorporated drugs to target cells ultimately increasing drug therapeutic efficacy. In light of this, we developed a new exosomal-based delivery system for a potent antioxidant, catalase, to treat Parkinson's disease (PD). Catalase was loaded into exosomes ex vivo using different methods: the incubation at room temperature, permeabilization with saponin, freeze-thaw cycles, sonication, or extrusion. The size of the obtained catalase-loaded exosomes (exoCAT) was in the range of 100-200 nm. A reformation of exosomes upon sonication and extrusion, or permeabilization with saponin resulted in high loading efficiency, sustained release, and catalase preservation against proteases degradation. Exosomes were readily taken up by neuronal cells in vitro. A considerable amount of exosomes was detected in PD mouse brain following intranasal administration. ExoCAT provided significant neuroprotective effects in in vitro and in vivo models of PD. Overall, exosome-based catalase formulations have a potential to be a versatile strategy to treat inflammatory and neurodegenerative disorders. Published by Elsevier B.V.
引用
收藏
页码:18 / 30
页数:13
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