PMID- 29785179 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20220123 IS - 1616-301X (Print) IS - 1616-3028 (Electronic) IS - 1616-301X (Linking) VI - 28 IP - 6 DP - 2018 Feb 7 TI - Nanoformulation of Brain-Derived Neurotrophic Factor with Target Receptor-Triggered-Release in the Central Nervous System. LID - 1703982 [pii] LID - 10.1002/adfm.201703982 [doi] AB - Brain-derived neurotrophic factor (BDNF) is identified as a potent neuroprotective and neuroregenerative agent for many neurological diseases. Regrettably, its delivery to the brain is hampered by poor serum stability and rapid brain clearance. Here, a novel nanoformulation is reported composed of a bio-compatible polymer, poly(ethylene glycol)-b-poly(L-glutamic acid) (PEG-PLE), that hosts the BDNF molecule in a nanoscale complex, termed here Nano-BDNF. Upon simple mixture, Nano-BDNF spontaneously forms uniform spherical particles with a core-shell structure. Molecular dynamics simulations suggest that binding between BDNF and PEG-PLE is mediated through electrostatic coupling as well as transient hydrogen bonding. The formation of Nano-BDNF complex stabilizes BDNF and protects it from nonspecific binding with common proteins in the body fluid, while allowing it to associate with its receptors. Following intranasal administration, the nanoformulation improves BDNF delivery throughout the brain and displays a more preferable regional distribution pattern than the native protein. Furthermore, intranasally delivered Nano-BDNF results in superior neuroprotective effects in the mouse brain with lipopolysaccharides-induced inflammation, indicating promise for further evaluation of this agent for the therapy of neurologic diseases. FAU - Jiang, Yuhang AU - Jiang Y AD - Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599-7362, USA. FAU - Fay, James M AU - Fay JM AD - Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599-7362, USA. FAU - Poon, Chi-Duen AU - Poon CD AD - Research Computer Center, University of North Carolina, Chapel Hill, NC 27599, USA. FAU - Vinod, Natasha AU - Vinod N AD - Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599-7362, USA. FAU - Zhao, Yuling AU - Zhao Y AD - Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599-7362, USA. FAU - Bullock, Kristin AU - Bullock K AD - Geriatric Research Education and Clinical Center, Veterans Affairs Puget Sound Health Care System, Seattle, WA 98108, USA. FAU - Qin, Si AU - Qin S AD - Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599-7362, USA. FAU - Manickam, Devika S AU - Manickam DS AD - Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599-7362, USA. FAU - Yi, Xiang AU - Yi X AD - Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599-7362, USA. FAU - Banks, William A AU - Banks WA AD - Geriatric Research Education and Clinical Center, Veterans Affairs Puget Sound Health Care System, Seattle, WA 98108, USA. FAU - Kabanov, Alexander V AU - Kabanov AV AD - Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599-7362, USA. LA - eng GR - P30 CA016086/CA/NCI NIH HHS/United States GR - R21 NS088152/NS/NINDS NIH HHS/United States GR - T32 GM008570/GM/NIGMS NIH HHS/United States PT - Journal Article DEP - 20171207 PL - Germany TA - Adv Funct Mater JT - Advanced functional materials JID - 101190390 PMC - PMC5958903 MID - NIHMS945462 OTO - NOTNLM OT - central nervous system OT - drug delivery OT - intranasal delivery OT - neurotrophic factors OT - polyion complexes COIS- Conflict of Interest A.V.K. is a founder of Neuro10-9 Pharma Inc. a startup company that is developing CNS therapeutics and holds patents to various nanoformulations. Other authors declare no other competing financial interest, except for the patent(s) filed by their institution on behalf of several co-authors (A.V.K., X.Y., and Y.J.). EDAT- 2018/05/23 06:00 MHDA- 2018/05/23 06:01 PMCR- 2019/02/07 CRDT- 2018/05/23 06:00 PHST- 2018/05/23 06:00 [entrez] PHST- 2018/05/23 06:00 [pubmed] PHST- 2018/05/23 06:01 [medline] PHST- 2019/02/07 00:00 [pmc-release] AID - 1703982 [pii] AID - 10.1002/adfm.201703982 [doi] PST - ppublish SO - Adv Funct Mater. 2018 Feb 7;28(6):1703982. doi: 10.1002/adfm.201703982. Epub 2017 Dec 7.