Abstract

Parkinson's disease (PD) is a progressive and chronic neurodegenerative disease of the central nervous system. Early treatment for PD is efficient; however, long-term systemic medication commonly leads to deleterious side-effects. Strategies that enable more selective drug delivery to the brain using smaller dosages, while crossing the complex brain-blood barrier (BBB), are highly desirable to ensure treatment efficacy and decrease/avoid unwanted outcomes. Our goal was to design and test the neurotherapeutic potential of a forefront nanoparticle-based technology composed of albumin/PLGA nanosystems loaded with dopamine (ALNP-DA) in 6-OHDA PD mice model. ALNP-DA effectively crossed the BBB, replenishing dopamine at the nigrostriatal pathway, resulting in significant motor symptom improvement when compared to Lesioned and L-DOPA groups. Notably, ALNP-DA (20 mg/animal dose) additionally up-regulated and restored motor coordination, balance, and sensorimotor performance to non-lesioned (Sham) animal level. Overall, ALNPs represent an innovative, non-invasive nano-therapeutical strategy for PD, considering its efficacy to circumvent the BBB and ultimately deliver the drug of interest to the brain.

Details

Title
Dopamine-loaded nanoparticle systems circumvent the blood–brain barrier restoring motor function in mouse model for Parkinson’s Disease
Author
Monge-Fuentes, Victoria 1 ; Biolchi Mayer Andréia 1 ; Lima, Marcos Robalinho 2 ; Geraldes Luiza Ribeiro 1 ; Zanotto, Larissa Nepomuceno 1 ; Moreira, Karla Graziella 3 ; Martins, Olimpia Paschoal 4 ; Piva, Henrique Luís 4 ; Felipe Maria Sueli Soares 5 ; Amaral, Andre Correa 6 ; Lorenzetti, Bocca Anamélia 7 ; Tedesco, Antonio Claudio 4 ; Mortari, Márcia Renata 1 

 Universidade de Brasília, Laboratório de Neurofarmacologia, Departamento de Ciências Fisiológicas, Instituto de Ciências Biológicas, Brasília, Brazil (GRID:grid.7632.0) (ISNI:0000 0001 2238 5157) 
 Universidade de Brasília, Laboratório de Neurofarmacologia, Departamento de Ciências Fisiológicas, Instituto de Ciências Biológicas, Brasília, Brazil (GRID:grid.7632.0) (ISNI:0000 0001 2238 5157); Universidade Estadual de Londrina, Departamento de Biologia Animal e Plantas, Centro de Ciências Biológicas, Londrina, Brazil (GRID:grid.411400.0) (ISNI:0000 0001 2193 3537) 
 Universidade de Brasília, Laboratório de Neurofarmacologia, Departamento de Ciências Fisiológicas, Instituto de Ciências Biológicas, Brasília, Brazil (GRID:grid.7632.0) (ISNI:0000 0001 2238 5157); Universidade Federal de Catalão, Laboratório de Fisiologia e Farmacologia, Goiás, Brazil (GRID:grid.7632.0) 
 Universidade de São Paulo, Departamento de Química, Centro de Nanotecnologia e Engenharia de Tecidos-Fotobiologia e Fotomedicina, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Ribeirão Preto, Brazil (GRID:grid.11899.38) (ISNI:0000 0004 1937 0722) 
 Universidade Católica de of Brasília, Brasília, Brazil (GRID:grid.411952.a) (ISNI:0000 0001 1882 0945) 
 Universidade Federal de Goiás, Instituto de Saúde Pública e Patologia Tropical, Goiânia, Brazil (GRID:grid.411195.9) (ISNI:0000 0001 2192 5801) 
 Universidade de Brasília, Laboratório de Imunologia Aplicada, Departamento de Biologia Celular, Instituto de Ciências Fisiológicas, Brasília, Brazil (GRID:grid.7632.0) (ISNI:0000 0001 2238 5157) 
Publication year
2021
Publication date
2021
Publisher
Nature Publishing Group
e-ISSN
20452322
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2555230718
Copyright
© The Author(s) 2021. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.