期刊
INTERNATIONAL JOURNAL OF NANOMEDICINE
卷 10, 期 -, 页码 4321-4340出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/IJN.S78308
关键词
nanomaterials; neurotoxicity; blood-brain barrier; autophagy; ROS
资金
- National Natural Science Foundation of China [31070857, 50973045, 81400557]
- Project on the Integration of Industry, Education and Research of Guangdong Province, People's Republic of China [2012B091000147]
Nanomaterials (NMs) are increasingly used for the therapy, diagnosis, and monitoring of disease-or drug-induced mechanisms in the human biological system. In view of their small size, after certain modifications, NMs have the capacity to bypass or cross the blood-brain barrier. Nanotechnology is particularly advantageous in the field of neurology. Examples may include the utilization of nanoparticle (NP)-based drug carriers to readily cross the blood-brain barrier to treat central nervous system (CNS) diseases, nanoscaffolds for axonal regeneration, nanoelectromechanical systems in neurological operations, and NPs in molecular imaging and CNS imaging. However, NPs can also be potentially hazardous to the CNS in terms of nano-neurotoxicity via several possible mechanisms, such as oxidative stress, autophagy, and lysosome dysfunction, and the activation of certain signaling pathways. In this review, we discuss the dual effect of NMs on the CNS and the mechanisms involved. The limitations of the current research are also discussed.
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