Ursodeoxycholic acid protects dopaminergic neurons from oxidative stress via regulating mitochondrial function, autophagy, and apoptosis in MPTP/MPP+-induced Parkinson’s disease
Abstract
Neuroprotection targeting mitochondrial dysfunction has been proposed as a potential therapeutic strategy for Parkinson's disease (PD). Ursodeoxycholic acid (UDCA) has been shown to prevent neuronal damage; however, the role of UDCA in PD is poorly understood. This study aimed to investigate the neuroprotective effects of UDCA on PD and its underlying mechanisms. We used MPTP/MPP+-induced PD models, including MPTP-induced mice, primary cultures of mice mesencephalic neurons and MPP+-treated neuro-2a cells to examine the effects of UDCA on PD pathogenesis. The results showed that UDCA improved behavioral performance and protected dopaminergic neurons in MPTP mice. UDCA improved cell viability and decreased cell death in MPP+-treated cells. UDCA inhibited reactive oxygen species accumulation, mitochondrial membrane potential collapse, and ATP depletion in neuro-2a cells. UDCA improved movement dysfunction, ameliorated autophagic flux and alleviated apoptosis. Furthermore, UDCA could activate the AMPK/mTOR and PINK1/Parkin pathways. In conclusion, UDCA may improve PD by regulating mitochondrial function, autophagy, and apoptosis, involving AMPK/mTOR and PINK1/Parkin pathways. These results open new perspectives for pharmacological use of UDCA in PD.
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UDCA and TUDCA have neuroprotective effects in counteracting mitochondrial dysfunction, oxidative stress, and neuroinflammation in Parkinson's disease mouse models.
“Multiple in vivo studies have demonstrated the neuroprotective effects of UDCA and TUDCA in counteracting mitochondrial dysfunction, oxidative stress, and neuroinflammation within PD mouse models.386–392”
From Microbiota–gut–brain axis and its therapeutic applications in neurodegenerative diseases (2024) · cites this paper as [392]
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- Authors
- Qi, H., Shen, D., Jiang, C., Wang, H., & Chang, M.
- Affiliations
- Harbin Medical University (CN)
- Corresponding author
- Qi, Huiping
- Venue
- Neuroscience Letters
- Publisher
- Elsevier BV
- Published
- 2021-01
- Volume
- 741
- Pages
- 135493
- ISSN
- 0304-3940 (ISSN-L)
- OpenAlex
- W3101229877
- Cited by
- 76
- References
- 22
- Citations by year
- 2026: 13 · 2025: 23 · 2024: 9 · 2023: 15 · 2022: 11 · 2021: 5
- FWCI
- 3.36
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Neuroscience Letters (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Harbin Medical University
- Heilongjiang Provincial Postdoctoral Science Foundation
- Topics
- Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
- Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
- Keywords
- ursodeoxycholic acid, Parkinson's disease, dopaminergic neurons, neuroprotection, oxidative stress, mitochondrial dysfunction, autophagy, apoptosis, AMPK/mTOR signaling, PINK1/Parkin pathway, reactive oxygen species, mitochondrial membrane potential, ATP depletion
- MeSH terms
- Animals, Autophagy, Male, Mice, Inbred C57BL, Mitochondria, Ursodeoxycholic Acid, Signal Transduction, Apoptosis, Oxidative Stress, Neuroprotective Agents, Parkinsonian Disorders, Cell Line, Tumor, Mice, Dopaminergic Neurons
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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