Cited by 82Parkinson's Disease Mechanisms and TreatmentsNuclear Receptors and SignalingMitochondrial Function and Pathology

Novel insights into the antioxidant role of tauroursodeoxycholic acid in experimental models of Parkinson's disease

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Rosa, Alexandra I., Fonseca, Inês, Nunes, Maria João, Moreira, Sara, Rodrigues, Elsa, Carvalho, Andreia Neves, Rodrigues, Cecília M.P., Gama, Maria João +1 more·2017·Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease

Abstract

Impaired mitochondrial function and generation of reactive oxygen species are deeply implicated in Parkinson's disease progression. Indeed, mutations in genes that affect mitochondrial function account for most of the familial cases of the disease, and post mortem studies in sporadic PD patients brains revealed increased signs of oxidative stress. Moreover, exposure to 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), a mitochondrial complex I inhibitor, leads to clinical symptoms similar to sporadic PD. The bile acid tauroursodeoxycholic acid (TUDCA) is an anti-apoptotic molecule shown to protect against MPTP-induced neurodegeneration in mice, but the mechanisms involved are still incompletely identified. Herein we used MPTP-treated mice, as well as primary cultures of mice cortical neurons and SH-SY5Y cells treated with MPP+ to investigate the modulation of mitochondrial dysfunction by TUDCA in PD models. We show that TUDCA exerts its neuroprotective role in a parkin-dependent manner. Overall, our results point to the pharmacological up-regulation of mitochondrial turnover by TUDCA as a novel neuroprotective mechanism of this molecule, and contribute to the validation of TUDCA clinical application in PD.

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Authors
Rosa, A. I., Fonseca, I., Nunes, M. J., Moreira, S., Rodrigues, E., Carvalho, A. N., Rodrigues, C. M. P., Gama, M. J., & Castro-Caldas, M.
Affiliations
University of Lisbon (PT)
Venue
Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease
Publisher
Elsevier BV
Published
2017-09
Volume
1863
Issue
9
Pages
2171-2181
ISSN
0925-4439 (ISSN-L)
OpenAlex
W2621032226
Cited by
82
References
50
Citations by year
2026: 4 · 2025: 11 · 2024: 9 · 2023: 11 · 2022: 6 · 2021: 12 · 2020: 9 · 2019: 11 · 2018: 7 · 2017: 2
FWCI
5.52
Type
journal article
Language
en
Open access
Locations
  • Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease (publishedVersion)
  • PubMed (publishedVersion)
Funders
Fundação para a Ciência e a Tecnologia (PTDC/NEU-NMC/0248/2012, UID/DTP/04138/2013, SFRH/BPD72891/2010, SFRH/BPD/95855/2013, SFRH/BPD/98023/2013)
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
Keywords
tauroursodeoxycholic acid, Parkinson's disease, mitochondrial dysfunction, Parkin, neuroprotection, oxidative stress, reactive oxygen species, mitochondrial turnover, MPP+, bile acids, SH-SY5Y cells, cortical neurons
MeSH terms
Animals, Antioxidants, Male, Taurochenodeoxycholic Acid, Neuroprotective Agents, Parkinsonian Disorders, Ubiquitin-Protein Ligases, Mice

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