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Yang JH. Cytoprotective Effect of Bambusae caulis in Liquamen by Blocking Oxidative Stress in Hepatocytes. Molecules 2023; 28:5862. [PMID: 37570831 PMCID: PMC10421324 DOI: 10.3390/molecules28155862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/24/2023] [Accepted: 08/02/2023] [Indexed: 08/13/2023] Open
Abstract
Bambusae caulis in Liquamen (BCL), which is extracted from heat-treated fresh bamboo stems, is a traditional herbal medicine widely used in Eastern countries. Recently, it has been reported to have anti-inflammatory and whitening effects. However, the protective effect of BCL on hepatocytes has not yet been elucidated. The present study aimed to determine whether BCL prevents oxidative stress induced by tert-butyl hydroperoxide (t-BHP) and exerts cytoprotective effects on hepatocytes. High-performance liquid chromatography and liquid chromatography with tandem mass spectroscopy were performed to analyze the type of polyphenols present in BCL. The activities of antioxidant enzymes and hepatocyte viability were assessed. The benzoic acid content was the highest among polyphenols present in BCL. Benzoic acid acts as a scavenger of free radicals, including reactive oxygen species. BCL increased the expression of antioxidant enzymes (glutamate-cysteine ligase and NADPH quinone dehydrogenase (1)) by activating nuclear factor erythroid 2-related factor 2 and reduced tBHP-induced cell death by inhibiting oxidative stress. BCL inhibited tBHP-induced phosphorylation of p38 and c-Jun N-terminal kinase but not that of extracellular signal-regulated kinase. In conclusion, BCL is a promising therapeutic candidate for treating oxidative-stress-induced hepatocyte damage.
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Affiliation(s)
- Ji Hye Yang
- College of Korean Medicine, Dongshin University, Naju 58245, Republic of Korea
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2
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Hou Z, Yan M, Li H, Wang W, You S, Wang M, Du T, Gong H, Li W, Guo L, Wei S, Zhang B, Ji M, Chen X. Variable p53/Nrf2 crosstalk contributes to triptolide-induced hepatotoxic process. Toxicol Lett 2023; 379:67-75. [PMID: 36990132 DOI: 10.1016/j.toxlet.2023.03.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/08/2023] [Accepted: 03/26/2023] [Indexed: 03/30/2023]
Abstract
This study was to investigate the potential mechanism of triptolide-induced hepatotoxicity. We found a novel and variable role of p53/Nrf2 crosstalk in triptolide-induced hepatotoxic process. Low doses of triptolide led to adaptive stress response without obvious toxicity, while high levels of triptolide caused severe adversity. Correspondingly, at the lower levels of triptolide treatment, nuclear translocation of Nrf2 as well as its downstream efflux transporters multidrug resistance proteins and bile salt export pump expressions were significantly enhanced, so did p53 pathways that also increased; at a toxic concentration, total and nuclear accumulations of Nrf2 decreased, while p53 showed an obvious nuclear translocation. Further studies showed the cross-regulation between p53 and Nrf2 after different concentrations of triptolide treatment. Under mild stress conditions, Nrf2 induced p53 highly expression to maintain the pro-survival outcome, while p53 showed no obvious effect on Nrf2 expression and transcriptional activity. Under high stress conditions, the remaining Nrf2 as well as the largely induced p53 mutually inhibited each other, leading to a hepatotoxic result. Nrf2 and p53 could physically and dynamically interact. Low levels of triptolide enhanced the interaction between Nrf2 and p53. Reversely, p53/Nrf2 complex dissociated at high levels of triptolide treatment. Altogether, variable p53/Nrf2 crosstalk contributes to triptolide-induced self-protection and hepatotoxicity, by modulating which may be a potential strategy for triptolide-induced hepatotoxicity intervention.
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Hu Y, Wu Q, Wang Y, Zhang H, Liu X, Zhou H, Yang T. The molecular pathogenesis of triptolide-induced hepatotoxicity. Front Pharmacol 2022; 13:979307. [PMID: 36091841 PMCID: PMC9449346 DOI: 10.3389/fphar.2022.979307] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 08/02/2022] [Indexed: 11/13/2022] Open
Abstract
Triptolide (TP) is the major pharmacologically active ingredient and toxic component of Tripterygium wilfordii Hook. f. However, its clinical potential is limited by a narrow therapeutic window and multiple organ toxicity, especially hepatotoxicity. Furthermore, TP-induced hepatotoxicity shows significant inter-individual variability. Over the past few decades, research has been devoted to the study of TP-induced hepatotoxicity and its mechanism. In this review, we summarized the mechanism of TP-induced hepatotoxicity. Studies have demonstrated that TP-induced hepatotoxicity is associated with CYP450s, P-glycoprotein (P-gp), oxidative stress, excessive autophagy, apoptosis, metabolic disorders, immunity, and the gut microbiota. These new findings provide a comprehensive understanding of TP-induced hepatotoxicity and detoxification.
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Affiliation(s)
- Yeqing Hu
- Institute of Cardiovascular Disease, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Cardiovascular Disease of Integrated Traditional Chinese Medicine and Western Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Branch of National Clinical Research Center for Chinese Medicine Cardiology, Shanghai, China
| | - Qiguo Wu
- Department of Pharmacy, Anqing Medical College, Anqing, China
| | - Yulin Wang
- Institute of Cardiovascular Disease, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Cardiovascular Disease of Integrated Traditional Chinese Medicine and Western Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Branch of National Clinical Research Center for Chinese Medicine Cardiology, Shanghai, China
| | - Haibo Zhang
- Institute of Cardiovascular Disease, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Cardiovascular Disease of Integrated Traditional Chinese Medicine and Western Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Branch of National Clinical Research Center for Chinese Medicine Cardiology, Shanghai, China
| | - Xueying Liu
- Institute of Cardiovascular Disease, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Cardiovascular Disease of Integrated Traditional Chinese Medicine and Western Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Branch of National Clinical Research Center for Chinese Medicine Cardiology, Shanghai, China
| | - Hua Zhou
- Institute of Cardiovascular Disease, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Cardiovascular Disease of Integrated Traditional Chinese Medicine and Western Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Branch of National Clinical Research Center for Chinese Medicine Cardiology, Shanghai, China
- *Correspondence: Tao Yang, ; Hua Zhou,
| | - Tao Yang
- Institute of Cardiovascular Disease, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Cardiovascular Disease of Integrated Traditional Chinese Medicine and Western Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Branch of National Clinical Research Center for Chinese Medicine Cardiology, Shanghai, China
- Shanghai Key Laboratory of Traditional Chinese Clinical Medicine, Shanghai, China
- *Correspondence: Tao Yang, ; Hua Zhou,
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Yu Z, Feng Z, Fu L, Wang J, Li C, Zhu H, Xie T, Zhou J, Zhou L, Zhou X. Qingluotongbi formula regulates the LXRα-ERS-SREBP-1c pathway in hepatocytes to alleviate the liver injury caused by Tripterygium wilfordii Hook. f. JOURNAL OF ETHNOPHARMACOLOGY 2022; 287:114952. [PMID: 34968661 DOI: 10.1016/j.jep.2021.114952] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 12/04/2021] [Accepted: 12/23/2021] [Indexed: 06/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Tripterygium wilfordii Hook. f. (TW) is widely used to treat autoimmune and inflammatory diseases; however, its development and application is limited by its significant association with liver injury. The compound formula Qingluotongbi (QLT) employs TW as its main component and is used to treat rheumatoid arthritis with no adverse reactions, suggesting that QLT may reduce the liver toxicity of TW. AIM OF THE STUDY We examined whether TW interferes with lipid metabolism to induce liver injury, and evaluated the protective effect of QLT in in vivo and in vitro experiments. MATERIALS AND METHODS After administration of QLT and its ingredients, HepaRG cells and SD rats were tested for biochemical indicators, hepatocytes lipid changes, and rat liver pathological changes, and then we analyzed for the gene expression of liver X receptor α (LXRα), endoplasmic reticulum stress (ERS) key proteins, sterol regulatory element binding protein-1c (SREBP-1c), and lipid-synthesizing enzymes. In HepaRG cells, the protein expression of glucose-regulated protein 78 kDa (GRP78) and LXRα was detected after addition of an LXRα inhibitor, LXRα agonist, and ERS inhibitor. RESULTS TW caused significant elevation of biochemical indicators and lipid droplet deposition in hepatocytes, as well as upregulated the gene expression of LXRα, ERS key proteins, SREBP-1c, and lipid-synthesizing enzymes in both in vitro and in vivo settings, and caused liver injury in rats. QLT can alleviate the lipotoxic liver injury caused by TW. LXRα agonist further activated ERS induced by TW, whereas LXRα inhibitor significantly reduced ERS and lipotoxic injury induced by TW in HepaRG cells. CONCLUSIONS TW upregulated LXRα to activate ERS and increased the gene expression of SREBP-1c and lipid-synthesizing enzymes, leading to increased lipid synthesis in hepatocytes to result in liver injury. QLT inhibited the LXRα-ERS-SREBP-1c pathway and reduced abnormal lipid synthesis in hepatocytes and the hepatotoxicity of TW.
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Affiliation(s)
- Zhichao Yu
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, 210023, PR China.
| | - Zhe Feng
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, 210023, PR China.
| | - Ling Fu
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, 210023, PR China.
| | - Jing Wang
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, 210023, PR China.
| | - Changqing Li
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, 210023, PR China.
| | - Huaxu Zhu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources, Industrialization, Nanjing University of Chinese Medicine, Nanjing, 210023, PR China; Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing, 210023, PR China.
| | - Tong Xie
- Jiangsu Key Laboratory of Pediatric Respiratory Disease, Nanjing University of Chinese Medicine, Nanjing, 210023, PR China.
| | - Jie Zhou
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, 210023, PR China.
| | - Lingling Zhou
- School of Pharmacy, Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, PR China.
| | - Xueping Zhou
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, 210023, PR China.
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Peng H, You L, Yang C, Wang K, Liu M, Yin D, Xu Y, Dong X, Yin X, Ni J. Ginsenoside Rb1 Attenuates Triptolide-Induced Cytotoxicity in HL-7702 Cells via the Activation of Keap1/Nrf2/ARE Pathway. Front Pharmacol 2022; 12:723784. [PMID: 35046796 PMCID: PMC8762226 DOI: 10.3389/fphar.2021.723784] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 12/06/2021] [Indexed: 12/19/2022] Open
Abstract
Triptolide (TP) is the major bioactive compound extracted from Tripterygium wilfordii Hook F. It exerts anti-inflammatory, antirheumatic, antineoplastic, and neuroprotective effects. However, the severe hepatotoxicity induced by TP limits its clinical application. Ginsenoside Rb1 has been reported to possess potential hepatoprotective effects, but its mechanism has not been fully investigated. This study was aimed at investigating the effect of ginsenoside Rb1 against TP-induced cytotoxicity in HL-7702 cells, as well as the underlying mechanism. The results revealed that ginsenoside Rb1 effectively reversed TP-induced cytotoxicity in HL-7702 cells. Apoptosis induced by TP was suppressed by ginsenoside Rb1 via inhibition of death receptor-mediated apoptotic pathway and mitochondrial-dependent apoptotic pathway. Pretreatment with ginsenoside Rb1 significantly reduced Bax/Bcl-2 ratio and down-regulated the expression of Fas, cleaved poly ADP-ribose polymerase (PARP), cleaved caspase-3, and -9. Furthermore, ginsenoside Rb1 reversed TP-induced cell cycle arrest in HL-7702 cells at S and G2/M phase, via upregulation of the expressions of cyclin-dependent kinase 2 (CDK2), cyclin E, cyclin A, and downregulation of the expressions of p53, p21, and p-p53. Ginsenoside Rb1 increased glutathione (GSH) and superoxide dismutase (SOD) levels, but decreased the reactive oxygen species (ROS) and malondialdehyde (MDA) levels. Pretreatment with ginsenoside Rb1 enhanced the expression levels of nuclear factor-erythroid 2-related factor 2 (Nrf2), total Nrf2, NAD(P)H: quinone oxidoreductases-1 (NQO-1), heme oxygenase-1 (HO-1), and Kelch-like ECH-associated protein 1 (Keap1)/Nrf2 complex. Therefore, ginsenoside Rb1 effectively alleviates TP-induced cytotoxicity in HL-7702 cells through activation of the Keap1/Nrf2/ARE antioxidant pathway.
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Affiliation(s)
- Hulinyue Peng
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Longtai You
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Chunjing Yang
- Department of Pharmacy, Beijing Shijitan Hospital Affiliated to Capital University of Medical Sciences, Beijing, China
| | - Kaixin Wang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Manting Liu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Dongge Yin
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Yuchen Xu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Xiaoxv Dong
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Xingbin Yin
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Jian Ni
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
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Gong G, Zheng Y. The anti-UV properties of Saussurea involucrate Matsum. & Koidz. Via regulating PI3K/Akt pathway in B16F10 cells. JOURNAL OF ETHNOPHARMACOLOGY 2021; 269:113694. [PMID: 33321189 DOI: 10.1016/j.jep.2020.113694] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/05/2020] [Accepted: 12/08/2020] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Ultra Violet (UV) radiation is the major reason for reactive oxygen species (ROS) forming, skin cell damage, melanin production, and could horribly cause skin cancer. Saussureae Involucratae Herba (SIH) is the aerial part of Saussurea involucrata Matsum. & Koidz. This Material Medica is popular with both in Uyghur and Chinese medicines filed. SIH is one of the famous species of the Asteraceae family and which prescribed for skin protection from UV-induced damage according to China Pharmacopeia (2020). However, the detailed working mechanism involved is still not elucidated. AIM OF THE STUDY We would like to probe the potential transduction pathway of SIH against UV-induced skin cell damages in cultured B16F10 cells. METHODS Western blot, luciferase assay, laser confocal, RT-PCR and flow cytometer were employed here to verify the protective pharmaceutical value of SIH in cultured B16F10 cells after UV pre-treatment. RESULTS Our result revealed that SIH attenuates ROS formation after UV-induced damage in B16F10 cells in a dose-dependent manner. Moreover, the transcriptional and translational anti-oxidative encoding genes were up-regulated under the presence of SIH. Further studies showed that SIH activated transcriptional activity of anti-oxidant response element (ARE). Moreover, we found that SIH dramatically stimulates PI3K/Akt phosphorylation in cultured B16F10 cells, this result was further verified by its specific inhibitors, LY294002 and Tocris. CONCLUSION Our findings concluded that SIH protect melanoma cells from UV damages via activating PI3K/Akt signaling and which could provide scientific evidence for anti-UV pharmaceutical values of this herbal extract.
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Affiliation(s)
- Guowei Gong
- Department of Bioengineering, Zunyi Medical University, Zhuhai Campus, Zhuhai, Guangdong, 519041, China
| | - Yuzhong Zheng
- School of Food Engineering and Biotechnology, Hanshan Normal University, Chaozhou, Guangdong, 521041, China.
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Xu X, Zhu R, Ying J, Zhao M, Wu X, Cao G, Wang K. Nephrotoxicity of Herbal Medicine and Its Prevention. Front Pharmacol 2020; 11:569551. [PMID: 33178019 PMCID: PMC7593559 DOI: 10.3389/fphar.2020.569551] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 08/14/2020] [Indexed: 01/31/2023] Open
Abstract
Herbal medicine (HM) has been widely used to treat diseases for thousands of years and has greatly contributed to the health of human beings. Many new drugs have been developed from HM, such as artemisinin. However, artemisinin has adverse effects, such as renal toxicity. In 1993, a study conducted in Belgium reported for the first time that the root extracts of Aristolochia obliqua S. M. Hwang led to progressive interstitial renal fibrosis. The nephrotoxicity of HM has attracted worldwide attention. More than 100 kinds of HM induce renal toxicity, including some herbs, animal HMs, and minerals. This paper aimed to summarize the HM compounds that cause nephrotoxicity, the mechanisms underlying the toxicity of these compounds, biomarkers of renal injury, and prevention strategies. These findings provide a basis for follow-up studies on the prevention and treatment of HM nephrotoxicity.
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Affiliation(s)
- Xiaofen Xu
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China
| | - Ruyi Zhu
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China
| | - Jialiang Ying
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China
| | - Mengting Zhao
- School of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Xin Wu
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China
| | - Gang Cao
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China
| | - Kuilong Wang
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China
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Xu P, Li Y, Yu Z, Yang L, Shang R, Yan Z. Protective Effect of Vitamin C on Triptolide-induced Acute Hepatotoxicity in Mice through mitigation of oxidative stress. AN ACAD BRAS CIENC 2019; 91:e20181257. [PMID: 31241707 DOI: 10.1590/0001-3765201920181257] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 03/13/2019] [Indexed: 01/28/2023] Open
Abstract
Triptolide, a purified diterpenoid from the herb Tripterygium wilfordii Hook.f., was widely used to treat many diseases. However, the hepatotoxicity of triptolide limited its clinical use. Research showed oxidative stress played an important role in triptolide-induced liver injury. To investigate the effect of vitamin C, which was one of the most effective antioxidants, on triptolide-induced hepatotoxicity and its potential mechanism in mice. In the present study, acute liver injury was induced by intraperitoneal injection of triptolide and vitamin C was orally administered. The results showed treatment with vitamin C prevented the triptolide-induced liver injury by reducing the levels of aspartate transaminase from 286.86 to 192.48 U/mL and alanine aminotransferase from 746.75 to 203.36 U/mL. Histopathological changes of liver corresponded to the same trend. Furthermore, vitamin C also protected the liver against triptolide-induced oxidative stress by inhibiting the generation of malondialdehyde (2.22 to 1.49 nmol/mgprot) and hydrogen peroxide (14.74 to 7.19 mmol/gprot) and restoring the level of total superoxide dismutase (24.32 to 42.55 U/mgprot) and glutathione (7.69 to 13.03 μg/mgprot). These results indicated that vitamin C could protect against triptolide-induced liver injury via reducing oxidative stress, and vitamin C may pose a significant health protection in the clinical use of triptolide.
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Affiliation(s)
- Pengjuan Xu
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Youyou Li
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Zhichao Yu
- Scientific Research Office, Tianjin Sino-German University of Applied Sciences, Tianjin 300350, China
| | - Lin Yang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Rong Shang
- School of Nursing, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Zihang Yan
- College of Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
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Feng Z, Zhou C, Dong S, Liu Z, Liu T, Zhou L, Zhou X. Catalpol and panax notoginseng saponins synergistically alleviate triptolide-induced hepatotoxicity through Nrf2/ARE pathway. Toxicol In Vitro 2019; 56:141-149. [DOI: 10.1016/j.tiv.2019.01.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 01/12/2019] [Accepted: 01/22/2019] [Indexed: 11/25/2022]
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10
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Hou Z, Chen L, Fang P, Cai H, Tang H, Peng Y, Deng Y, Cao L, Li H, Zhang B, Yan M. Mechanisms of Triptolide-Induced Hepatotoxicity and Protective Effect of Combined Use of Isoliquiritigenin: Possible Roles of Nrf2 and Hepatic Transporters. Front Pharmacol 2018; 9:226. [PMID: 29615906 PMCID: PMC5865274 DOI: 10.3389/fphar.2018.00226] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 02/28/2018] [Indexed: 12/13/2022] Open
Abstract
Triptolide (TP), the main bioactive component of Tripterygium wilfordii Hook F, can cause severe hepatotoxicity. Isoliquiritigenin (ISL) has been reported to be able to protect against TP-induced liver injury, but the mechanisms are not fully elucidated. This study aims to explore the role of nuclear transcription factor E2-related factor 2 (Nrf2) and hepatic transporters in TP-induced hepatotoxicity and the reversal protective effect of ISL. TP treatment caused both cytotoxicity in L02 hepatocytes and acute liver injury in mice. Particularly, TP led to the disorder of bile acid (BA) profiles in mice livers. Combined treatment of TP with ISL effectively alleviated TP-induced hepatotoxicity. Furthermore, ISL pretreatment enhanced Nrf2 expressions and nuclear accumulations and its downstream NAD(P)H: quinine oxidoreductase 1 (NQO1) expression. Expressions of hepatic P-gp, MRP2, MRP4, bile salt export pump, and OATP2 were also induced. In addition, in vitro transport assays identified that neither was TP exported by MRP2, OATP1B1, or OATP1B3, nor did TP influence the transport activities of P-gp or MRP2. All these results indicate that ISL may reduce the hepatic oxidative stress and hepatic accumulations of both endogenous BAs and exogenous TP as well as its metabolites by enhancing the expressions of Nrf2, NQO1, and hepatic influx and efflux transporters. Effects of TP on hepatic transporters are mainly at the transcriptional levels, and changes of hepatic BA profiles are very important in the mechanisms of TP-induced hepatotoxicity.
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Affiliation(s)
- Zhenyan Hou
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacy, Central South University, Changsha, China
| | - Lei Chen
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacy, Central South University, Changsha, China
| | - Pingfei Fang
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacy, Central South University, Changsha, China
| | - Hualin Cai
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacy, Central South University, Changsha, China
| | - Huaibo Tang
- Department of Pharmacy, Chemistry College, Xiangtan University, Xiangtan, China
| | - Yongbo Peng
- Molecular Science and Biomedicine Laboratory, College of Life Sciences, State Key Laboratory of Chemo, Bio-Sensing and Chemometrics, Hunan University, Changsha, China
| | - Yang Deng
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Lingjuan Cao
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacy, Central South University, Changsha, China
| | - Huande Li
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacy, Central South University, Changsha, China
| | - Bikui Zhang
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacy, Central South University, Changsha, China
| | - Miao Yan
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China.,Institute of Clinical Pharmacy, Central South University, Changsha, China
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