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Nejm MB, Guimarães-Marques MJ, Oliveira LF, Damasceno L, Andersen ML, Tufik S, Fonseca F, Olszewer E, Leça R, de Almeida ACG, Scorza FA, Scorza CA. Assessment of vitamin D and inflammatory markers profile in cardiac tissue on Parkinson disease animal model. Pharmacol Rep 2020; 72:296-304. [PMID: 32124387 DOI: 10.1007/s43440-020-00074-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 11/13/2019] [Accepted: 12/30/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND Cardiovascular dysfunctions are common non-motor symptoms in patients with Parkinson's disease (PD) that can result in reduced quality of life and even death. Research in animal models designed to characterize the pathological association between PD and cardiovascular abnormalities is still in its infancy. This study assessed the early impact of the nigrostriatal dopaminergic damage on cardiological features in the unilateral 6-OHDA rat model of PD. METHODS Male Wistar rats received unilateral intrastriatal injections of 6-OHDA and sham rats were injected with saline. Animals were studied 15 days later. Immunohistochemistry was used for visualization of tyrosine hydroxylase (TH)-positive neurons in the nigrostriatal system. Electrocardiogram recordings of heart rate were performed in conscious rats. Heart levels of vitamin D, inflammatory cytokines and C-reactive protein were assessed through electrochemiluminescence immunoassay, quantitative reverse transcription PCR and turbidimetric method, respectively. RESULTS We found a post-injury reduction of TH-immunoreactivity of approximately 45% in the substantia nigra pars compacta and 20% in the striatum. Heart rate reduction was found in 6-OHDA-lesioned rats as compared with sham counterparts. Reduced levels of vitamin D and increased levels of inflammatory factors (C-reactive protein, IL-6, TNF-α and TGF-β) were detected in the heart tissue of PD rats in comparison with sham. CONCLUSION Our findings suggest a link between cardiac tissue changes and cardiac functional changes early after the central dopaminergic damage induced by 6-OHDA. Knowledge of the cardiac abnormalities in the 6-OHDA model is critical in identifying future therapeutic targets and disease-modifying approaches for PD non-motor features.
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Affiliation(s)
- Mariana Bocca Nejm
- Departamento de Neurologia/Neurociência, Universidade Federal de São Paulo-Escola Paulista de Medicina (UNIFESP/EPM), Av. Pedro de Toledo, 699, 1º andar, São Paulo, SP, Brazil
| | - Marcia Jonathas Guimarães-Marques
- Departamento de Neurologia/Neurociência, Universidade Federal de São Paulo-Escola Paulista de Medicina (UNIFESP/EPM), Av. Pedro de Toledo, 699, 1º andar, São Paulo, SP, Brazil
| | - Leandro Freitas Oliveira
- Departamento de Neurologia/Neurociência, Universidade Federal de São Paulo-Escola Paulista de Medicina (UNIFESP/EPM), Av. Pedro de Toledo, 699, 1º andar, São Paulo, SP, Brazil
| | - Laís Damasceno
- Departamento de Neurologia/Neurociência, Universidade Federal de São Paulo-Escola Paulista de Medicina (UNIFESP/EPM), Av. Pedro de Toledo, 699, 1º andar, São Paulo, SP, Brazil
| | - Monica L Andersen
- Departamento de Psicobiologia, Universidade Federal de São Paulo-Escola Paulista de Medicina (UNIFESP/EPM), São Paulo, SP, Brazil
| | - Sergio Tufik
- Departamento de Psicobiologia, Universidade Federal de São Paulo-Escola Paulista de Medicina (UNIFESP/EPM), São Paulo, SP, Brazil
| | - Fernando Fonseca
- Laboratório de Análises Clínicas da Faculdade de Medicina do ABC, Santo André, SP, Brazil
- Departamento de Ciências Farmacêuticas da, Universidade Federal de São Paulo (UNIFESP), Diadema, SP, Brazil
| | - Efrain Olszewer
- Fundação de Apoio à Pesquisa e Estudo na Área de Saúde (FAPES), São Paulo, SP, Brazil
| | - Renato Leça
- Departamento de Cirurgia II, Faculdade de Medicina do ABC, Santo André, SP, Brazil
| | - Antonio Carlo G de Almeida
- Departamento de Engenharia de Biossistemas, Universidade Federal de São João Del Rei (UFSJ), São João Del Rei, MG, Brazil
| | - Fulvio Alexandre Scorza
- Departamento de Neurologia/Neurociência, Universidade Federal de São Paulo-Escola Paulista de Medicina (UNIFESP/EPM), Av. Pedro de Toledo, 699, 1º andar, São Paulo, SP, Brazil
| | - Carla Alessandra Scorza
- Departamento de Neurologia/Neurociência, Universidade Federal de São Paulo-Escola Paulista de Medicina (UNIFESP/EPM), Av. Pedro de Toledo, 699, 1º andar, São Paulo, SP, Brazil.
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