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Rousar T, Handl J, Capek J, Nyvltova P, Rousarova E, Kubat M, Smid L, Vanova J, Malinak D, Musilek K, Cesla P. Cysteine conjugates of acetaminophen and p-aminophenol are potent inducers of cellular impairment in human proximal tubular kidney HK-2 cells. Arch Toxicol 2023; 97:2943-2954. [PMID: 37639014 PMCID: PMC10504157 DOI: 10.1007/s00204-023-03569-2] [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: 05/29/2023] [Accepted: 08/02/2023] [Indexed: 08/29/2023]
Abstract
Acetaminophen (APAP) belong among the most used analgesics and antipyretics. It is structurally derived from p-aminophenol (PAP), a potent inducer of kidney toxicity. Both compounds can be metabolized to oxidation products and conjugated with glutathione. The glutathione-conjugates can be cleaved to provide cysteine conjugates considered as generally nontoxic. The aim of the present report was to synthesize and to purify both APAP- and PAP-cysteine conjugates and, as the first study at all, to evaluate their biological effects in human kidney HK-2 cells in comparison to parent compounds. HK-2 cells were treated with tested compounds (0-1000 µM) for up to 24 h. Cell viability, glutathione levels, ROS production and mitochondrial function were determined. After 24 h, we found that both APAP- and PAP-cysteine conjugates (1 mM) were capable to induce harmful cellular damage observed as a decrease of glutathione levels to 10% and 0%, respectively, compared to control cells. In addition, we detected the disappearance of mitochondrial membrane potential in these cells. In the case of PAP-cysteine, the extent of cellular impairment was comparable to that induced by PAP at similar doses. On the other hand, 1 mM APAP-cysteine induced even larger damage of HK-2 cells compared to 1 mM APAP after 6 or 24 h. We conclude that cysteine conjugates with aminophenol are potent inducers of oxidative stress causing significant injury in kidney cells. Thus, the harmful effects cysteine-aminophenolic conjugates ought to be considered in the description of APAP or PAP toxicity.
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Affiliation(s)
- Tomas Rousar
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic.
| | - Jiri Handl
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic
| | - Jan Capek
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic
| | - Pavlina Nyvltova
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic
| | - Erika Rousarova
- Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic
| | - Miroslav Kubat
- Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic
| | - Lenka Smid
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic
| | - Jana Vanova
- Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic
| | - David Malinak
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Rokitanskeho 62, 500 03, Hradec Kralove, Czech Republic
| | - Kamil Musilek
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Rokitanskeho 62, 500 03, Hradec Kralove, Czech Republic
| | - Petr Cesla
- Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech Republic
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Vanova J, Malinak D, Andrys R, Kubat M, Mikysek T, Rousarova E, Musilek K, Rousar T, Cesla P. Optimization of Gradient Reversed Phase High Performance Liquid Chromatography Analysis of Acetaminophen Oxidation Metabolites using Linear and Non-linear Retention Model. J Chromatogr A 2022; 1669:462956. [DOI: 10.1016/j.chroma.2022.462956] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/28/2022] [Accepted: 03/09/2022] [Indexed: 11/15/2022]
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Zhou Y, Wang C, Kou J, Wang M, Rong X, Pu X, Xie X, Han G, Pang X. Chrysanthemi Flos extract alleviated acetaminophen-induced rat liver injury via inhibiting oxidative stress and apoptosis based on network pharmacology analysis. PHARMACEUTICAL BIOLOGY 2021; 59:1378-1387. [PMID: 34629029 PMCID: PMC8510625 DOI: 10.1080/13880209.2021.1986077] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
CONTEXT Acetaminophen (APAP) overdose is the leading cause of drug-induced liver injury. Bianliang ziyu, a variety of Chrysanthemum morifolium Ramat. (Asteraceae), has potential hepatoprotective effect. However, the mechanism is not clear yet. OBJECTIVE To investigate the hepatoprotective activity and mechanism of Bianliang ziyu flower ethanol extract (BZE) on APAP-induced rats based on network pharmacology. MATERIALS AND METHODS Potential pathways of BZE were predicted by network pharmacology. Male Sprague-Dawley rats were pre-treated with BZE (110, 220 and 440 mg/kg, i.g.) for eight days, and then APAP (800 mg/kg, i.g.) was used to induce liver injury. After 24 h, serum and liver were collected for biochemical detection and western blot measurement. RESULTS Network pharmacology indicated that liver-protective effect of BZE was associated with its antioxidant and anti-apoptotic efficacy. APAP-induced liver pathological change was alleviated, and elevated serum AST and ALT were reduced by BZE (440 mg/kg) (from 66.45 to 22.64 U/L and from 59.59 to 17.49 U/L, respectively). BZE (440 mg/kg) reduced the ROS to 65.50%, and upregulated SOD and GSH by 212.92% and 175.38%, respectively. In addition, BZE (440 mg/kg) increased levels of p-AMPK, p-GSK3β, HO-1 and NQO1, ranging from 1.66- to 10.29-fold compared to APAP group, and promoted nuclear translocation of Nrf2. BZE also inhibited apoptosis induced by APAP through the PI3K-Akt pathway and restored the ability of mitochondrial biogenesis. DISCUSSION AND CONCLUSIONS Our study demonstrated that BZE protected rats from APAP-induced liver injury through antioxidant and anti-apoptotic pathways, suggesting BZE could be further developed as a potential liver-protecting agent.
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Affiliation(s)
- Yunfeng Zhou
- Pharmaceutical Institute, School of Pharmacy, Henan University, Kaifeng, China
| | - Chunli Wang
- Pharmaceutical Institute, School of Pharmacy, Henan University, Kaifeng, China
| | - Jiejian Kou
- Pharmaceutical Institute, School of Pharmacy, Henan University, Kaifeng, China
| | - Minghui Wang
- Pharmaceutical Institute, School of Pharmacy, Henan University, Kaifeng, China
| | - Xuli Rong
- Pharmaceutical Institute, School of Pharmacy, Henan University, Kaifeng, China
| | - Xiaohui Pu
- Pharmaceutical Institute, School of Pharmacy, Henan University, Kaifeng, China
| | - Xinmei Xie
- Pharmaceutical Institute, School of Pharmacy, Henan University, Kaifeng, China
- CONTACT Xinmei Xie
| | - Guang Han
- Pharmaceutical Institute, School of Pharmacy, Henan University, Kaifeng, China
- Kaifeng Key Lab for Application of Local Dendranthema morifolium in Food & Drug, Kaifeng, China
- Guang Han
| | - Xiaobin Pang
- Pharmaceutical Institute, School of Pharmacy, Henan University, Kaifeng, China
- Institutes of Traditional Chinese Medicine, Henan University, Kaifeng, China
- Xiaobin Pang Pharmaceutical Institute, School of Pharmacy, Henan University, Kaifeng475004, China
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Yao HT, Li CC, Chang CH. Epigallocatechin-3-Gallate Reduces Hepatic Oxidative Stress and Lowers CYP-Mediated Bioactivation and Toxicity of Acetaminophen in Rats. Nutrients 2019; 11:nu11081862. [PMID: 31405142 PMCID: PMC6723635 DOI: 10.3390/nu11081862] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Revised: 08/05/2019] [Accepted: 08/07/2019] [Indexed: 01/13/2023] Open
Abstract
Epigallocatechin-3-gallate (EGCG) is the most abundant polyphenol in green tea. To investigate the effects of dietary EGCG on oxidative stress and the metabolism and toxicity of acetaminophen in the liver, rats were fed diets with (0.54%) or without EGCG supplementation for four weeks and were then injected intraperitoneally with acetaminophen (1 g/kg). The results showed that EGCG lowered hepatic oxidative stress and cytochrome P450 (CYP) 1A2, 2E1, and 3A, and UDP-glucurosyltransferase activities prior to acetaminophen injection. After acetaminophen challenge, the elevations in plasma alanine aminotransferase activity and histological changes in the liver were ameliorated by EGCG treatment. EGCG reduced acetaminophen-induced apoptosis by lowering the Bax/Bcl2 ratio in the liver. EGCG mildly increased autophagy by increasing the LC3B II/I ratio. Lower hepatic acetaminophen–glutathione and acetaminophen–protein adducts contents were observed after EGCG treatment. EGCG increased glutathione peroxidase and NAD(P)H quinone 1 oxidoreductase activities and reduced organic anion-transporting polypeptides 1a1 expression in the liver after acetaminophen treatment. Our results indicate that EGCG may reduce oxidative stress and lower the metabolism and toxicity of acetaminophen. The reductions in CYP-mediated acetaminophen bioactivation and uptake transporter, as well as enhanced antioxidant enzyme activity, may limit the accumulation of toxic products in the liver and thus lower hepatotoxicity.
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Affiliation(s)
- Hsien-Tsung Yao
- Department of Nutrition, China Medical University, 91 Hsueh-shih Road, Taichung 404, Taiwan.
| | - Chien-Chun Li
- Department of Nutrition, Chung Shan Medical University, 110 Sec.1, Jianguo North Road, Taichung 40201, Taiwan
| | - Chen-Hui Chang
- Department of Nutrition, China Medical University, 91 Hsueh-shih Road, Taichung 404, Taiwan
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Wu WH, Chao CC, Wang FS. Reducing the effects of drug toxicity on glutathione metabolism. J Taiwan Inst Chem Eng 2016. [DOI: 10.1016/j.jtice.2015.10.040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Wang W, Li J, Wang Z, Gao H, Su L, Xie J, Chen X, Liang H, Wang C, Han Y. Oral hepatoprotective ability evaluation of purple sweet potato anthocyanins on acute and chronic chemical liver injuries. Cell Biochem Biophys 2015; 69:539-48. [PMID: 24442992 DOI: 10.1007/s12013-014-9829-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In recent years, chemical liver injury cases increased significantly in Asian countries, and the imbalance in redox system was believed to be the main cause. Purple sweet potato anthocyanins (PSPA) have been shown to exert antioxidant activity and oxidative-stress-associated functional protein modulation through various signaling pathways, so it is considered to have the potential of liver injury preventive activity. In order to evaluate the hepatoprotective potency of PSPA according to its free radical scavenging and antioxidant effects, three acute chemical liver injury models were set up with ethanol, acetaminophen and carbon tetrachloride. PSPA at moderate and high doses obviously attenuated the tested serum biomarker levels and liver index in our experiments. Besides, one chronic liver injury model set up with carbon tetrachloride was also applied, in which PSPA was orally administrated after the liver damage had been formed. Both the serum biomarker levels and histopathological analysis showed that PSPA was able to attenuated chronic liver injury. Our experimental results demonstrated the potential of PSPA as an oral hepatoprotective agent against chemical liver injury from food plant.
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Affiliation(s)
- Wencheng Wang
- Medical College of Qingdao University, 308 Ningxia Road, Qingdao, 266071, Shandong, People's Republic of China
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Yao HT, Yang YC, Chang CH, Yang HT, Yin MC. Protective effects of (-)-epigallocatechin-3-gallate against acetaminophen-induced liver injury in rats). Biomedicine (Taipei) 2015; 5:15. [PMID: 26264479 PMCID: PMC4531855 DOI: 10.7603/s40681-015-0015-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Accepted: 06/30/2015] [Indexed: 11/24/2022] Open
Abstract
(-)-Epigallocatechin-3-gallate (EGCG) is the most abundant catechin with various biological activities found in tea. In this study, the effects of EGCG on the metabolism and toxicity of acetaminophen in rat liver were investigated. Male Sprague-Dawley rats were fed a controlled diet without or with EGCG (0.54 %, w/w) for 1 week and were then intraperitoneally injected with acetaminophen (1 g/kg body weight) and killed after 12 h. Concentrations of acetaminophen and its conjugates in plasma and liver were then determined. The cytochrome P450 (CYP) and phase II enzymes activities were also evaluated. Rats fed the EGCG diet had lower plasma alanine aminotransferase and aspartate aminotransferase activities, as indices of hepatotoxicity, after acetaminophen treatment. Morphological damage by acetaminophen was lower in rats fed the EGCG diet. In addition, EGCG significantly reduced hepatic activities of midazolam 1-hydroxylation (CYP3A), nitrophenol 6-hydroxylase (CYP2E1), UDP-glucurosyltransferase, and sulfotransferase. Finally, EGCG feeding reduced acetaminophen-glucuronate and acetaminophen-glutathione contents in plasma and liver. These results indicate that EGCG feeding may reduce the metabolism and toxicity of acetaminophen in rats.
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Affiliation(s)
- Hsien-Tsung Yao
- Department of Nutrition, China Medical University, No. 91, Hsueh-Shih Road, 404, Taichung, Taiwan,
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Chitosan oligosaccharides reduce acetaminophen-induced hepatotoxicity by suppressing CYP-mediated bioactivation. J Funct Foods 2015. [DOI: 10.1016/j.jff.2014.11.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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