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    Pharmacognosy MagazineNOW IN
    Article

    Sagittaria sagittifolia Polysaccharide, a Chinese Herbal Extract, Protects against Isoniazid‑ and Rifampicin‑induced Hepatotoxicity in in-vitro Model

    Yibo Tang1★, Junping Lv2★, Jing Wang1, Bing Li1, Qiaohui Zhang1, Zhenquan Liu3, Xiuhui Ke1, Weizao Luo4, Yin Lin1, Yan Liao1★★ Corresponding author

    1. 1Chinese Medical Institute, Beijing University of Chinese Medicine, China.
    2. 2Beijing Institute of Biomedicine, China.
    3. 3School of Chinese Materia Medical, Beijing University of Chinese Medicine, Beijing, China.
    4. 4Chongqing Academy of Chinese Meteria Medica, Chongqing, China.

    CORRESPONDENCE

    Yibo Tang

    Chinese Medical Institute, Beijing University of Chinese Medicine, China.

    liaoyanbucm@hotmail.com

    Received: 15-12-2019; Revised: 05-02-2020; Accepted: 21-04-2020.

    Volume 16, Issue 71 · pp. 637–643 · PUBLISHED 20 October 2020 · DOI: 10.4103/pm.pm_542_19

    View on Pharmacogn. Mag. original site ↗

    ABSTRACT

    Objectives: In this study, we aimed to investigate the protective effect and the underlying mechanisms of SSP in cultured HepG2 cells after induction with INH and RFP. Materials and Methods: The study was designed as follows: normal (without any treatment), model (injury induced by INH + RFP), and SSP group (treated with SSP followed by INH + RFP). Cell viability, catalase (CAT), superoxide dismutase (SOD), and glutathione (GSH), along with malondialdehyde (MDA), as well as alanine aminotransferase, aspartate transaminase, and lactate dehydrogenase, were assessed by corresponding kits. Real‑time polymerase chain reaction and Western blot were used to evaluate the mRNA and protein expression of Bcl‑2, Bax, Nrf2, and Keap1. Results: SSP had a potential protective effect as it increased the cell viability and reduced the intracellular levels of hepatic injury markers. SSP reduced the intracellular content of MDA and increased the activity of SOD, CAT, and GSH. It is noteworthy that the optimum protective effect was observed with a 0.5 mg/mL SSP at 24 h after treatment. In addition, the protection appears to be associated with its activation of nuclear factor E2‑related factor 2 signaling pathway. Conclusion: SSP protected against INH + RFP‑induced hepatotoxicity in HepG2 cells and this protection might via Nrf2 signaling pathway.

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      Tang, Y., Lv, J., Wang, J., Li, B., Zhang, Q., Liu, Z., Ke, X., Luo, W., Lin, Y., & Liao, Y. (2020). Sagittaria sagittifolia Polysaccharide, a Chinese Herbal Extract, Protects against Isoniazid‑ and Rifampicin‑induced Hepatotoxicity in in-vitro Model. Pharmacognosy Magazine, 16(71), 637–643. https://doi.org/10.4103/pm.pm_542_19