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Protective effects of harpagoside on mitochondrial functions in rotenone‑induced cell models of Parkinson's disease

  • Authors:
    • Juan Lang
    • Zhongkui Xiong
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    Affiliations: Department of Pathology, Shaoxing People's Hospital, Shaoxing, Zhejiang 312000, P.R. China, Department of Radiation Oncology, Shaoxing Second Hospital, Shaoxing, Zhejiang 312000, P.R. China
    Copyright: © Lang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 64
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    Published online on: February 11, 2025
       https://doi.org/10.3892/br.2025.1942
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Abstract

Parkinson's disease (PD) is the second most common neurodegenerative disease after Alzheimer's disease. Currently, no radical treatment is available for this disease. Harpagoside is a proposed neuroprotective iridoid active ingredient that can be derived from Scrophulariae buergeriana, Scrophularia striata and Harpagophytum procumbens. The present study aimed to investigate the effects of harpagoside on mitochondrial functions in rotenone‑induced cell models of Parkinson's disease (PD). Neuro‑2A (N2A) cells were treated with rotenone to establish in vitro cell models of PD. Cell viability and survival were measured using a Cell Counting Kit‑8 assay. Biochemical assays with spectrophotometry were used to measure complex I activity, mitochondrial swelling and caspase 3 activity. The cell survival rate was first found to be significantly decreased by rotenone (20 nmol/l) treatment. However, intervention with harpagoside (10 µmol/l) was found to increase the cell survival rate of rotenone‑induced N2A cell models differentiated with 1 mmol/l of dibutyryl‑cAMP. At ≥0.1 µmol/l concentration, harpagoside significantly alleviated rotenone‑induced mitochondrial swelling, whereas at 1 µmol/l it significantly counteracted the inhibitory effects of rotenone on complex I activity. At 10 µmol/l harpagoside significantly inhibited rotenone‑induced caspase 3 activation. These results suggest that harpagoside has the potential to protect mitochondrial functions against rotenone‑induced injury in N2A cell models of PD.
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Copy and paste a formatted citation
Spandidos Publications style
Lang J and Xiong Z: Protective effects of harpagoside on mitochondrial functions in rotenone‑induced cell models of Parkinson's disease. Biomed Rep 22: 64, 2025.
APA
Lang, J., & Xiong, Z. (2025). Protective effects of harpagoside on mitochondrial functions in rotenone‑induced cell models of Parkinson's disease. Biomedical Reports, 22, 64. https://doi.org/10.3892/br.2025.1942
MLA
Lang, J., Xiong, Z."Protective effects of harpagoside on mitochondrial functions in rotenone‑induced cell models of Parkinson's disease". Biomedical Reports 22.4 (2025): 64.
Chicago
Lang, J., Xiong, Z."Protective effects of harpagoside on mitochondrial functions in rotenone‑induced cell models of Parkinson's disease". Biomedical Reports 22, no. 4 (2025): 64. https://doi.org/10.3892/br.2025.1942
Copy and paste a formatted citation
x
Spandidos Publications style
Lang J and Xiong Z: Protective effects of harpagoside on mitochondrial functions in rotenone‑induced cell models of Parkinson's disease. Biomed Rep 22: 64, 2025.
APA
Lang, J., & Xiong, Z. (2025). Protective effects of harpagoside on mitochondrial functions in rotenone‑induced cell models of Parkinson's disease. Biomedical Reports, 22, 64. https://doi.org/10.3892/br.2025.1942
MLA
Lang, J., Xiong, Z."Protective effects of harpagoside on mitochondrial functions in rotenone‑induced cell models of Parkinson's disease". Biomedical Reports 22.4 (2025): 64.
Chicago
Lang, J., Xiong, Z."Protective effects of harpagoside on mitochondrial functions in rotenone‑induced cell models of Parkinson's disease". Biomedical Reports 22, no. 4 (2025): 64. https://doi.org/10.3892/br.2025.1942
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