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Mechanism Study of GanDouLing Mitigating Liver Fibrosis in Wilson’s Disease via Regulating the PI3K/AKT/mTOR Pathway to Activate Autophagy

Received: 27 September 2023    Accepted: 25 October 2023    Published: 30 October 2023
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Abstract

The hepatic copper accumulation characteristic of Wilson's disease (WD) leads to activation of hepatic stellate cells, extracellular matrix deposition, and the progression to liver fibrosis (LF), with specific therapeutic interventions for this condition notably deficient. Increasing evidence suggests the potential utility of GanDouLing (GDL) in addressing WD-related LF. In this study, the pharmacological effects of GDL on WD and LF were assessed by establishing a copper-induced human hepatic stellate cell (LX-2) model and elucidating potential mechanisms underlying GDL treatment. The findings indicate that GDL treatment significantly attenuates the viability of copper-induced LX-2 cells and reduces the expression of fibrotic markers. This inhibitory effect is mediated through the PAM pathway, as it can be reversed by activators such as IGF-1 or MHY1485. Furthermore, GDL treatment downregulates critical components of the PAM pathway at both mRNA and protein levels. Molecular docking simulations further confirm the strong affinity and stable binding between active constituents of GDL, such as luteolin and vestitol, and their target proteins (AKT1, PIK3CA, mTOR). In copper-induced LX-2 cells, GDL treatment upregulates autophagic indicators, including LC3, Beclin-1, and AO, while downregulating p62. TEM experiments reveal that GDL treatment increases the presence of autophagosomes in copper-induced LX-2 cells, thereby ameliorating mitochondrial damage. In conclusion, GDL exerts its inhibitory effects on copper-induced LX-2 cell activation by downregulating the PAM pathway. These findings provide a novel approach for addressing LF related to WD and support the utilization of herbal-based supplements and alternative therapies.

Published in American Journal of Clinical and Experimental Medicine (Volume 11, Issue 4)
DOI 10.11648/j.ajcem.20231104.12
Page(s) 73-85
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

GanDouLing, Wilson Disease-Associated Liver Fibrosis, Autophagy, PI3K/AKT/mTOR Pathway

References
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Cite This Article
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    Shao-Peng Huang, Sen Chen, Huan Wu, An Zhou, Huai-Zhou Jiang, et al. (2023). Mechanism Study of GanDouLing Mitigating Liver Fibrosis in Wilson’s Disease via Regulating the PI3K/AKT/mTOR Pathway to Activate Autophagy. American Journal of Clinical and Experimental Medicine, 11(4), 73-85. https://doi.org/10.11648/j.ajcem.20231104.12

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    ACS Style

    Shao-Peng Huang; Sen Chen; Huan Wu; An Zhou; Huai-Zhou Jiang, et al. Mechanism Study of GanDouLing Mitigating Liver Fibrosis in Wilson’s Disease via Regulating the PI3K/AKT/mTOR Pathway to Activate Autophagy. Am. J. Clin. Exp. Med. 2023, 11(4), 73-85. doi: 10.11648/j.ajcem.20231104.12

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    AMA Style

    Shao-Peng Huang, Sen Chen, Huan Wu, An Zhou, Huai-Zhou Jiang, et al. Mechanism Study of GanDouLing Mitigating Liver Fibrosis in Wilson’s Disease via Regulating the PI3K/AKT/mTOR Pathway to Activate Autophagy. Am J Clin Exp Med. 2023;11(4):73-85. doi: 10.11648/j.ajcem.20231104.12

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  • @article{10.11648/j.ajcem.20231104.12,
      author = {Shao-Peng Huang and Sen Chen and Huan Wu and An Zhou and Huai-Zhou Jiang and Hai Bian and Yun-Lai Wang and Zheng-Rong Zhang and Yi-Kang Cai and Hui Jiang and Peng Wu},
      title = {Mechanism Study of GanDouLing Mitigating Liver Fibrosis in Wilson’s Disease via Regulating the PI3K/AKT/mTOR Pathway to Activate Autophagy},
      journal = {American Journal of Clinical and Experimental Medicine},
      volume = {11},
      number = {4},
      pages = {73-85},
      doi = {10.11648/j.ajcem.20231104.12},
      url = {https://doi.org/10.11648/j.ajcem.20231104.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajcem.20231104.12},
      abstract = {The hepatic copper accumulation characteristic of Wilson's disease (WD) leads to activation of hepatic stellate cells, extracellular matrix deposition, and the progression to liver fibrosis (LF), with specific therapeutic interventions for this condition notably deficient. Increasing evidence suggests the potential utility of GanDouLing (GDL) in addressing WD-related LF. In this study, the pharmacological effects of GDL on WD and LF were assessed by establishing a copper-induced human hepatic stellate cell (LX-2) model and elucidating potential mechanisms underlying GDL treatment. The findings indicate that GDL treatment significantly attenuates the viability of copper-induced LX-2 cells and reduces the expression of fibrotic markers. This inhibitory effect is mediated through the PAM pathway, as it can be reversed by activators such as IGF-1 or MHY1485. Furthermore, GDL treatment downregulates critical components of the PAM pathway at both mRNA and protein levels. Molecular docking simulations further confirm the strong affinity and stable binding between active constituents of GDL, such as luteolin and vestitol, and their target proteins (AKT1, PIK3CA, mTOR). In copper-induced LX-2 cells, GDL treatment upregulates autophagic indicators, including LC3, Beclin-1, and AO, while downregulating p62. TEM experiments reveal that GDL treatment increases the presence of autophagosomes in copper-induced LX-2 cells, thereby ameliorating mitochondrial damage. In conclusion, GDL exerts its inhibitory effects on copper-induced LX-2 cell activation by downregulating the PAM pathway. These findings provide a novel approach for addressing LF related to WD and support the utilization of herbal-based supplements and alternative therapies.},
     year = {2023}
    }
    

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  • TY  - JOUR
    T1  - Mechanism Study of GanDouLing Mitigating Liver Fibrosis in Wilson’s Disease via Regulating the PI3K/AKT/mTOR Pathway to Activate Autophagy
    AU  - Shao-Peng Huang
    AU  - Sen Chen
    AU  - Huan Wu
    AU  - An Zhou
    AU  - Huai-Zhou Jiang
    AU  - Hai Bian
    AU  - Yun-Lai Wang
    AU  - Zheng-Rong Zhang
    AU  - Yi-Kang Cai
    AU  - Hui Jiang
    AU  - Peng Wu
    Y1  - 2023/10/30
    PY  - 2023
    N1  - https://doi.org/10.11648/j.ajcem.20231104.12
    DO  - 10.11648/j.ajcem.20231104.12
    T2  - American Journal of Clinical and Experimental Medicine
    JF  - American Journal of Clinical and Experimental Medicine
    JO  - American Journal of Clinical and Experimental Medicine
    SP  - 73
    EP  - 85
    PB  - Science Publishing Group
    SN  - 2330-8133
    UR  - https://doi.org/10.11648/j.ajcem.20231104.12
    AB  - The hepatic copper accumulation characteristic of Wilson's disease (WD) leads to activation of hepatic stellate cells, extracellular matrix deposition, and the progression to liver fibrosis (LF), with specific therapeutic interventions for this condition notably deficient. Increasing evidence suggests the potential utility of GanDouLing (GDL) in addressing WD-related LF. In this study, the pharmacological effects of GDL on WD and LF were assessed by establishing a copper-induced human hepatic stellate cell (LX-2) model and elucidating potential mechanisms underlying GDL treatment. The findings indicate that GDL treatment significantly attenuates the viability of copper-induced LX-2 cells and reduces the expression of fibrotic markers. This inhibitory effect is mediated through the PAM pathway, as it can be reversed by activators such as IGF-1 or MHY1485. Furthermore, GDL treatment downregulates critical components of the PAM pathway at both mRNA and protein levels. Molecular docking simulations further confirm the strong affinity and stable binding between active constituents of GDL, such as luteolin and vestitol, and their target proteins (AKT1, PIK3CA, mTOR). In copper-induced LX-2 cells, GDL treatment upregulates autophagic indicators, including LC3, Beclin-1, and AO, while downregulating p62. TEM experiments reveal that GDL treatment increases the presence of autophagosomes in copper-induced LX-2 cells, thereby ameliorating mitochondrial damage. In conclusion, GDL exerts its inhibitory effects on copper-induced LX-2 cell activation by downregulating the PAM pathway. These findings provide a novel approach for addressing LF related to WD and support the utilization of herbal-based supplements and alternative therapies.
    VL  - 11
    IS  - 4
    ER  - 

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Author Information
  • School of Pharmacy, Anhui University of Chinese Medicine, Hefei, China

  • School of Pharmacy, Anhui University of Chinese Medicine, Hefei, China

  • The Experimental Research Center, Anhui University of Chinese Medicine, Hefei, China

  • The Experimental Research Center, Anhui University of Chinese Medicine, Hefei, China

  • The Experimental Research Center, Anhui University of Chinese Medicine, Hefei, China

  • College of Integrated Traditional Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China

  • School of Pharmacy, Anhui University of Chinese Medicine, Hefei, China

  • The Experimental Research Center, Anhui University of Chinese Medicine, Hefei, China

  • College of Integrated Traditional Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China

  • Experimental Center of Clinical Research, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China

  • College of Integrated Traditional Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China

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