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Xiang Q, Xia Z, Liu H, Ye Z, Sun L, Feng D, Liao W. Isolation and characterization of a hepatoprotective polysaccharide from Lonicera caerulea L. var. edulis Turcz. ex Herd. fruit against APAP-induced acute liver injury mice. Int J Biol Macromol 2024; 275:133426. [PMID: 38936574 DOI: 10.1016/j.ijbiomac.2024.133426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 06/21/2024] [Accepted: 06/24/2024] [Indexed: 06/29/2024]
Abstract
The structure and bioactivities of a novel polysaccharide from Lonicera caerulea L. var. edulis Turcz. ex Herd. fruit (THP-3) were investigated. The crude polysaccharides of Turcz. ex Herd. (THP) were extracted by hot water extraction. After purification, the chemical structure of polysaccharides was identified. Then, a mouse model of acute drug-induced liver injury was constructed using 4-acetamidophenol (APAP) and pretreated with THP. The number-average molecular weight of THP-3 was 48.89 kDa and the mass average molar mass was 97.87 kDa. THP-3 was mainly composed of arabinose (42.54 %), glucose (27.62 %), galacturonic acid and galactose (29.84 %). The main linkage types of THP-3 were 1-linked Araf, 1,4-linked Glcp, and 1,3,6-linked Galp. In addition, after THP treatment, serum Alanine aminotransferase (ALT), Aspartate aminotransferase (AST) and γ-glutamyl transpeptidase (γGT) in AILI mice were successfully down-regulated. The results showed that THP could prevent the characteristic morphological changes of hepatic lobular injury and lipid depletion caused by APAP, reduced the level of oxidative damage in mice, increased the expression of APAP-induced hypolipidemia and related inflammatory indicators, and improved the detoxification function of liver. In general, the newly extracted THP polysaccharide has a good liver protection effect and is an ideal natural medicine for the treatment of liver diseases.
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Affiliation(s)
- Qianru Xiang
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Zijun Xia
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Hongji Liu
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Zichong Ye
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Linye Sun
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Dongliang Feng
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Wenzhen Liao
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China.
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Park SY, Kim MW, Kang JH, Hwang JH, Choi H, Park J, Seong JK, Yoon YS, Oh SH. Loss of Ninjurin1 alleviates acetaminophen-induced liver injury via enhancing AMPKα-NRF2 pathway. Life Sci 2024; 350:122782. [PMID: 38848941 DOI: 10.1016/j.lfs.2024.122782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/20/2024] [Accepted: 06/04/2024] [Indexed: 06/09/2024]
Abstract
Acetaminophen (APAP), a widely used pain and fever reliever, is a major contributor to drug-induced liver injury, as its toxic metabolites such as NAPQI induce oxidative stress and hepatic necrosis. While N-acetylcysteine serves as the primary treatment for APAP-induced liver injury (AILI), its efficacy is confined to a narrow window of 8-24 h post-APAP overdose. Beyond this window, liver transplantation emerges as the final recourse, prompting ongoing research to pinpoint novel therapeutic targets aimed at enhancing AILI treatment outcomes. Nerve injury-induced protein 1 (Ninjurin1; Ninj1), initially recognized as an adhesion molecule, has been implicated in liver damage stemming from factors like TNFα and ischemia-reperfusion. Nonetheless, its role in oxidative stress-related liver diseases, including AILI, remains unexplored. In this study, we observed up-regulation of Ninj1 expression in the livers of both human DILI patients and the AILI mouse model. Through the utilization of Ninj1 null mice, hepatocyte-specific Ninj1 KO mice, and myeloid-specific Ninj1 KO mice, we unveiled that the loss of Ninj1 in hepatocytes, rather than myeloid cells, exerts alleviative effects on AILI irrespective of sex dependency. Further in vitro experiments demonstrated that Ninj1 deficiency shields hepatocytes from APAP-induced oxidative stress, mitochondrial dysfunctions, and cell death by bolstering NRF2 stability via activation of AMPKα. In summary, our findings imply that Ninj1 likely plays a role in AILI, and its deficiency confers protection against APAP-induced hepatotoxicity through the AMPKα-NRF2 pathway.
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Affiliation(s)
- Se Yong Park
- College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea
| | - Min Woo Kim
- College of Veterinary Medicine, Konkuk University, Seoul 05029, Republic of Korea
| | - Ju-Hee Kang
- College of Pharmacy, Gachon University, Incheon 21963, Republic of Korea
| | - Jung Ho Hwang
- College of Pharmacy, Gachon University, Incheon 21963, Republic of Korea
| | - Hoon Choi
- College of Pharmacy, Gachon University, Incheon 21963, Republic of Korea
| | - Jiwon Park
- College of Pharmacy, Gachon University, Incheon 21963, Republic of Korea
| | - Je Kyung Seong
- Korea Mouse Phenotyping Center, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea
| | - Yeo Sung Yoon
- College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea
| | - Seung Hyun Oh
- College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea.
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3
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Layman AJ, Alsbrook SM, Koturbash IK, McGill MR. Natural Products That Protect Against Acetaminophen Hepatotoxicity: A Call for Increased Rigor in Preclinical Studies of Dietary Supplements. J Diet Suppl 2024:1-18. [PMID: 38562009 DOI: 10.1080/19390211.2024.2335573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Acetaminophen (APAP) overdose is one of the most common causes of acute liver injury. The current standard-of-care treatment for APAP hepatotoxicity, N-acetyl-l-cysteine, is highly effective when administered early after overdose, but loses efficacy in later-presenting patients. As a result, there is interest in the identification of new treatments for APAP overdose patients. Natural products are a promising source of new treatments because many are purported to have hepatoprotective effects. In fact, a great deal of research has been done to identify natural products that can protect against APAP-induced liver injury. However, serious concerns have been raised about the rigor and human relevance of these studies. Here, we systematically reviewed the APAP-natural product literature from 2013 to 2023 to determine the veracity of these concerns and the scope of the potential problem. The results substantiate the concerns that have been previously raised and point to concrete steps that can be taken to improve APAP-natural product research.
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Affiliation(s)
- Alexander J Layman
- Department of Environmental Health Sciences, Fay W. Boozman College of Public Health, University of AR for Medical Sciences, Little Rock, AR, USA
| | - Scott M Alsbrook
- Department of Environmental Health Sciences, Fay W. Boozman College of Public Health, University of AR for Medical Sciences, Little Rock, AR, USA
| | - Igor K Koturbash
- Department of Environmental Health Sciences, Fay W. Boozman College of Public Health, University of AR for Medical Sciences, Little Rock, AR, USA
- Center for Dietary Supplements Research, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Mitchell R McGill
- Department of Environmental Health Sciences, Fay W. Boozman College of Public Health, University of AR for Medical Sciences, Little Rock, AR, USA
- Center for Dietary Supplements Research, University of Arkansas for Medical Sciences, Little Rock, AR, USA
- Department of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA
- Department of Pathology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA
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Jaeschke H, Ramachandran A. Acetaminophen Hepatotoxicity: Paradigm for Understanding Mechanisms of Drug-Induced Liver Injury. ANNUAL REVIEW OF PATHOLOGY 2024; 19:453-478. [PMID: 38265880 PMCID: PMC11131139 DOI: 10.1146/annurev-pathmechdis-051122-094016] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
Acetaminophen (APAP) overdose is the clinically most relevant drug hepatotoxicity in western countries, and, because of translational relevance of animal models, APAP is mechanistically the most studied drug. This review covers intracellular signaling events starting with drug metabolism and the central role of mitochondrial dysfunction involving oxidant stress and peroxynitrite. Mitochondria-derived endonucleases trigger nuclear DNA fragmentation, the point of no return for cell death. In addition, adaptive mechanisms that limit cell death are discussed including autophagy, mitochondrial morphology changes, and biogenesis. Extensive evidence supports oncotic necrosis as the mode of cell death; however, a partial overlap with signaling events of apoptosis, ferroptosis, and pyroptosis is the basis for controversial discussions. Furthermore, an update on sterile inflammation in injury and repair with activation of Kupffer cells, monocyte-derived macrophages, and neutrophils is provided. Understanding these mechanisms of cell death led to discovery of N-acetylcysteine and recently fomepizole as effective antidotes against APAP toxicity.
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Affiliation(s)
- Hartmut Jaeschke
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas, USA; ,
| | - Anup Ramachandran
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas, USA; ,
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5
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Ghosh P, Magee N, Akakpo JY, Ahamed F, Eppler N, Jones E, Yu Y, He L, Lebofsky M, Dai H, Jaeschke H, Ding WX, Zhang Y. Hepatocyte-specific deletion of small heterodimer partner protects mice against acetaminophen-induced hepatotoxicity via activation of Nrf2. Toxicol Sci 2023; 197:53-68. [PMID: 37792503 PMCID: PMC10734614 DOI: 10.1093/toxsci/kfad104] [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] [Indexed: 10/06/2023] Open
Abstract
Acetaminophen (APAP) overdose stands as the primary cause of acute liver failure in the United States. APAP hepatotoxicity involves hepatic glutathione (GSH) depletion and mitochondrial damage. To counteract the toxicity of APAP, the nuclear factor erythroid 2 like 2 (Nrf2) activates the expression of genes responsible for drug detoxification and GSH synthesis. In this study, we present evidence that the elimination of hepatocyte small heterodimer partner, a critical transcriptional repressor for liver metabolism, results in Nrf2 activation and protects mice from APAP-induced acute liver injury. Initial investigations conducted on wildtype (WT) mice revealed a swift downregulation of Shp mRNA within the first 24 h after APAP administration. Subsequent treatment of hepatocyte-specific Shp knockout (ShpHep-/-) mice with 300 mg/kg APAP for 2 h exhibited comparable bioactivation of APAP with that observed in the WT controls. However, a significant reduction in liver injury was observed in ShpHep-/- after APAP treatment for 6 and 24 h. The decreased liver injury correlated with a faster recovery of GSH, attributable to heightened expression of Nrf2 target genes involved in APAP detoxification and GSH synthesis. Moreover, in vitro studies revealed that SHP protein interacted with NRF2 protein, inhibiting the transcription of Nrf2 target genes. These findings hold relevance for humans, as overexpression of SHP hindered APAP-induced NRF2 activation in primary human hepatocytes. In conclusion, our studies have unveiled a novel regulatory axis involving SHP and NRF2 in APAP-induced acute liver injury, emphasizing SHP as a promising therapeutic target in APAP overdose-induced hepatotoxicity.
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Affiliation(s)
- Priyanka Ghosh
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas 66160, USA
| | - Nancy Magee
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas 66160, USA
| | - Jephte Y Akakpo
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas 66160, USA
| | - Forkan Ahamed
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas 66160, USA
| | - Natalie Eppler
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas 66160, USA
| | - Elizabeth Jones
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas 66160, USA
| | - Yifan Yu
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas 66160, USA
| | - Lily He
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas 66160, USA
| | - Margitta Lebofsky
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas 66160, USA
| | - Hongyan Dai
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas 66160, USA
| | - Hartmut Jaeschke
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas 66160, USA
| | - Wen-Xing Ding
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas 66160, USA
| | - Yuxia Zhang
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas 66160, USA
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6
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Li X, Lao R, Lei J, Chen Y, Zhou Q, Wang T, Tong Y. Natural Products for Acetaminophen-Induced Acute Liver Injury: A Review. Molecules 2023; 28:7901. [PMID: 38067630 PMCID: PMC10708418 DOI: 10.3390/molecules28237901] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/07/2023] [Accepted: 11/23/2023] [Indexed: 12/18/2023] Open
Abstract
The liver plays a vital role in metabolism, synthesis, and detoxification, but it is susceptible to damage from various factors such as viral infections, drug reactions, excessive alcohol consumption, and autoimmune diseases. This susceptibility is particularly problematic for patients requiring medication, as drug-induced liver injury often leads to underestimation, misdiagnosis, and difficulties in treatment. Acetaminophen (APAP) is a widely used and safe drug in therapeutic doses but can cause liver toxicity when taken in excessive amounts. This study aimed to investigate the hepatotoxicity of APAP and explore potential treatment strategies using a mouse model of APAP-induced liver injury. The study involved the evaluation of various natural products for their therapeutic potential. The findings revealed that natural products demonstrated promising hepatoprotective effects, potentially alleviating liver damage and improving liver function through various mechanisms such as oxidative stress and inflammation, which cause changes in signaling pathways. These results underscore the importance of exploring novel treatment options for drug-induced liver injury, suggesting that further research in this area could lead to the development of effective preventive and therapeutic interventions, ultimately benefiting patients with liver injury caused by medicine.
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Affiliation(s)
- Xiaoyangzi Li
- School of Medicine, Taizhou University, Taizhou 318000, China; (X.L.); (R.L.); (J.L.)
| | - Ruyang Lao
- School of Medicine, Taizhou University, Taizhou 318000, China; (X.L.); (R.L.); (J.L.)
| | - Jiawei Lei
- School of Medicine, Taizhou University, Taizhou 318000, China; (X.L.); (R.L.); (J.L.)
| | - Yuting Chen
- College of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116000, China;
| | - Qi Zhou
- School of Pharmacy, Taizhou University, Taizhou 318000, China;
| | - Ting Wang
- School of Medicine, Taizhou University, Taizhou 318000, China; (X.L.); (R.L.); (J.L.)
| | - Yingpeng Tong
- School of Pharmacy, Taizhou University, Taizhou 318000, China;
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7
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Li X, Ni J, Chen L. Advances in the study of acetaminophen-induced liver injury. Front Pharmacol 2023; 14:1239395. [PMID: 37601069 PMCID: PMC10436315 DOI: 10.3389/fphar.2023.1239395] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 07/28/2023] [Indexed: 08/22/2023] Open
Abstract
Acetaminophen (APAP) overdose is a significant cause of drug-induced liver injury and acute liver failure. The diagnosis, screening, and management of APAP-induced liver injury (AILI) is challenging because of the complex mechanisms involved. Starting from the current studies on the mechanisms of AILI, this review focuses on novel findings in the field of diagnosis, screening, and management of AILI. It highlights the current issues that need to be addressed. This review is supposed to summarize the recent research progress and make recommendations for future research.
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Affiliation(s)
- Xinghui Li
- West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Jiaqi Ni
- West China School of Pharmacy, Sichuan University, Chengdu, China
- Department of Pharmacy, Evidence-Based Pharmacy Center, West China Second University Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, China
| | - Li Chen
- Department of Pharmacy, Evidence-Based Pharmacy Center, West China Second University Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, China
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Qiu K, Pan Y, Huang W, Li M, Yan X, Zhou Z, Qi J. CXCL5 Promotes Acetaminophen-Induced Hepatotoxicity by Activating Kupffer Cells. Int J Mol Sci 2023; 24:12180. [PMID: 37569554 PMCID: PMC10419303 DOI: 10.3390/ijms241512180] [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: 06/27/2023] [Revised: 07/21/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
Kupffer cells (KCs) play a key part in the pathological process of acetaminophen (APAP)-induced acute liver injury (ALI), the leading cause of acute liver failure in the world. CXC motif chemokine ligand 5 (CXCL5) exerts proinflammatory effects in acute respiratory distress syndrome and arthritis. In the current study, we aim to reveal the effects of CXCL5 on the activation of KCs and the role of CXCL5 in the pathogenesis of APAP-induced hepatotoxicity. The in vivo study, conducted on mice intraperitoneally injected with APAP (300 mg/kg) to establish the ALI model and then treated with Anti-CXCL5 mAb at 30 min and 12 h after the APAP challenge, showed that CXCL5 expression significantly increased in injured livers, and Anti-CXCL5 mAb mitigated the degree of APAP-evoked ALI in mice which was proven through biochemicals and histological examination. Also, neutralization of CXCL5 had no significant effect on APAP metabolism in the liver but exhibited anti-inflammatory effects and ameliorated hepatocellular death in the injured liver. The in vitro data displayed that recombinant mouse CXCL5 treatment promoted APAP-induced cellular toxicity in primary hepatocytes co-cultured with KCs, compared with single-cultured hepatocytes. Consistent with the result, we found that the Anti-CXCL5 mAb gradient decreased LPS-induced expression of inflammatory cytokines in single-cultured KCs. Therefore, CXCL5 could stimulate KCs to produce inflammatory mediators, therefore damaging hepatocytes from APAP toxicity.
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Affiliation(s)
- Kexin Qiu
- Department of Pathology and Institute of Oncology, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China; (K.Q.); (Y.P.); (W.H.); (M.L.)
- Diagnostic Pathology Center, Fujian Medical University, Fuzhou 350122, China
| | - Yan Pan
- Department of Pathology and Institute of Oncology, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China; (K.Q.); (Y.P.); (W.H.); (M.L.)
- Diagnostic Pathology Center, Fujian Medical University, Fuzhou 350122, China
| | - Weizhi Huang
- Department of Pathology and Institute of Oncology, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China; (K.Q.); (Y.P.); (W.H.); (M.L.)
- Diagnostic Pathology Center, Fujian Medical University, Fuzhou 350122, China
| | - Mengyuan Li
- Department of Pathology and Institute of Oncology, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China; (K.Q.); (Y.P.); (W.H.); (M.L.)
- Diagnostic Pathology Center, Fujian Medical University, Fuzhou 350122, China
| | - Xueqing Yan
- Department of Biochemistry and Molecular Biology, The School of Basic Medical Sciences, Fujian Medical University, No.1, Xuefu North Road, University Town, Fuzhou 350122, China;
| | - Zixiong Zhou
- Department of Pathology and Institute of Oncology, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China; (K.Q.); (Y.P.); (W.H.); (M.L.)
- Diagnostic Pathology Center, Fujian Medical University, Fuzhou 350122, China
| | - Jing Qi
- Department of Biochemistry and Molecular Biology, The School of Basic Medical Sciences, Fujian Medical University, No.1, Xuefu North Road, University Town, Fuzhou 350122, China;
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Liatsos GD. SARS-CoV-2 induced liver injury: Incidence, risk factors, impact on COVID-19 severity and prognosis in different population groups. World J Gastroenterol 2023; 29:2397-2432. [PMID: 37179584 PMCID: PMC10167898 DOI: 10.3748/wjg.v29.i16.2397] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 02/17/2023] [Accepted: 04/07/2023] [Indexed: 04/24/2023] Open
Abstract
Liver is unlikely the key organ driving mortality in coronavirus disease 2019 (COVID-19) however, liver function tests (LFTs) abnormalities are widely observed mostly in moderate and severe cases. According to this review, the overall prevalence of abnormal LFTs in COVID-19 patients ranges from 2.5% to 96.8% worldwide. The geographical variability in the prevalence of underlying diseases is the determinant for the observed discrepancies between East and West. Multifactorial mechanisms are implicated in COVID-19-induced liver injury. Among them, hypercytokinemia with "bystander hepatitis", cytokine storm syndrome with subsequent oxidative stress and endotheliopathy, hypercoagulable state and immuno-thromboinflammation are the most determinant mechanisms leading to tissue injury. Liver hypoxia may also contribute under specific conditions, while direct hepatocyte injury is an emerging mechanism. Except for initially observed severe acute respiratory distress syndrome corona virus-2 (SARS-CoV-2) tropism for cholangiocytes, more recent cumulative data show SARS-CoV-2 virions within hepatocytes and sinusoidal endothelial cells using electron microscopy (EM). The best evidence for hepatocellular invasion by the virus is the identification of replicating SARS-CoV-2 RNA, S protein RNA and viral nucleocapsid protein within hepatocytes using in-situ hybridization and immunostaining with observed intrahepatic presence of SARS-CoV-2 by EM and by in-situ hybridization. New data mostly derived from imaging findings indicate possible long-term sequelae for the liver months after recovery, suggesting a post-COVID-19 persistent live injury.
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Affiliation(s)
- George D Liatsos
- Department of Internal Medicine, Hippokration General Hospital, Athens 11527, Attiki, Greece
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10
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Effects of torularhodin against acetaminophen induced liver injury base on antioxidation, anti-inflammation and anti-apoptosis. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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11
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Ahmed HM, Shehata HH, El-Saeed GSM, Gabal HHA, El-Daly SM. Ameliorative effect of Lactobacillus rhamnosus GG on acetaminophen-induced hepatotoxicity via PKC/Nrf2/PGC-1α pathway. J Genet Eng Biotechnol 2022; 20:142. [PMID: 36201094 PMCID: PMC9537380 DOI: 10.1186/s43141-022-00422-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 09/23/2022] [Indexed: 07/10/2024]
Abstract
Background Acetaminophen (APAP) overdose is a common cause of hepatotoxicity. Antioxidants like N-acetyl cysteine are recommended as a therapeutic option; nevertheless, it has limitations. The search for efficient alternatives is ongoing. Probiotics are live microorganisms that maintain a healthy gut microecology. Lactobacillus rhamnosus GG (LGG) is one of the widely used probiotics. Our study aimed to assess the protective and therapeutic effects of probiotic LGG on APAP-induced hepatotoxicity and evaluate the molecular pathways behind this effect. Methods Wistar Albino male rats were randomly distributed into the following experimental groups: group 1, non-treated rats (vehicle); group 2, rats received oral gavage of suspension of probiotic LGG (5 × 1010 CFU GG/0.5 ml in PBS) daily for 2 weeks (probiotic control); group 3, rats received APAP dose of 2 g/kg body weight (positive control); group 4, rats received oral gavage of suspension of probiotic LGG for 2 weeks followed by a single dose of APAP injection (prophylactic); and group 5, rats received a single dose of APAP and then 24 h later treated with oral gavage of probiotic LGG daily for 2 weeks (treatment). Results Our study revealed that administration of probiotic LGG (either as prophylactic or treatment) exhibited a remarkable reduction in APAP-induced liver injury as resembled by the decrease in liver enzymes (ALT and AST) and the histopathological features of liver sections. Moreover, the significant reduction in the oxidative marker malondialdehyde, along with the enhancement in glutathione reductase, and the significant reduction in inflammatory markers (nitric oxide and tumor necrosis factor-α) were all indicators of the efficiency of LGG in ameliorating the alterations accompanied with APAP-induced hepatotoxicity. Our findings also demonstrate that LGG administration boosted the expression of Nrf2 and PGC-1 while decreasing the expression of protein kinase C (PKC). As a result, the nuclear abundance of Nrf2 is increased, and the expression of various antioxidants is eventually upregulated. Conclusion Our study shows that probiotic LGG supplementation exerts a prophylactic and therapeutic effect against APAP-induced hepatotoxicity through modulating the expression of PKC and the Nrf2/PGC-1α signaling pathway and eventually suppressing oxidative damage from APAP overdose.
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Affiliation(s)
- Hend M Ahmed
- Medical Biochemistry Department, Medicine and Clinical Studies Research Institute, National Research Centre, Dokki, Cairo, 12622, Egypt
| | - Hanan H Shehata
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Gamila S M El-Saeed
- Medical Biochemistry Department, Medicine and Clinical Studies Research Institute, National Research Centre, Dokki, Cairo, 12622, Egypt
| | - Hoda H Abou Gabal
- Pathology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Sherien M El-Daly
- Medical Biochemistry Department, Medicine and Clinical Studies Research Institute, National Research Centre, Dokki, Cairo, 12622, Egypt. .,Cancer Biology and Genetics Laboratory, Centre of Excellence for Advanced Sciences, National Research Centre, Cairo, Egypt.
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12
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Li J, Ge H, Xu Y, Xie J, Yan F, Chen W. Geniposide Alleviates Oxidative Damage in Hepatocytes through Regulating miR-27b-3p/Nrf2 Axis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:11544-11553. [PMID: 36084288 DOI: 10.1021/acs.jafc.2c03856] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Geniposide (GEN), a main compound extracted from Gardenia jasminoides fruit, has various biological activities including anti-inflammation, cellular damage alleviation, neuroprotection, and others. However, the effect of GEN on oxidative stress in hepatic cells is yet to be investigated. Our study uncovered that GEN eliminated excess intracellular free radicals by activating the Nrf2/ARE signaling pathway in H2O2-treated hepatocytes, while the protective effect was blocked by ML385 (an inhibitor of Nrf2). Moreover, H2O2 led to upregulation of miR-27b-3p in L02 cells, which was restrained by GEN. Overexpression of miR-27b-3p greatly weakened the antioxidant capacity of GEN in hepatocytes via directly targeting the Nrf2 gene. Our findings indicated that GEN treatment recovered H2O2-induced oxidative stress via targeting miR-27b-3p and thereby enhanced the antioxidant capacity by stimulating nuclear translocation and accumulation of Nrf2. These findings suggest that inhibition of miR-27b-3p to activate the Nrf2/ARE pathway by GEN is a potential alternative for hepatic oxidative damage alleviation.
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Affiliation(s)
- Jiaxin Li
- Department of Food Science and Nutrition, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Hengju Ge
- Department of Food Science and Nutrition, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Yang Xu
- Department of Food Science and Nutrition, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Jiahong Xie
- Department of Food Science and Nutrition, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Fujie Yan
- Department of Food Science and Nutrition, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Wei Chen
- Department of Food Science and Nutrition, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
- Ningbo Research Institute, Zhejiang University, Ningbo 315100, China
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13
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Zhou Z, Wu Y, Hua W, Yan X, Li L, Zhu A, Qi J. Sappanone A ameliorates acetaminophen-induced acute liver injury in mice. Toxicology 2022; 480:153336. [PMID: 36126895 DOI: 10.1016/j.tox.2022.153336] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 09/15/2022] [Accepted: 09/16/2022] [Indexed: 10/14/2022]
Abstract
Sappanone A (SA), a homoisoflavonoid compound extracted from the heartwood of Caesalpinia sappan Linn., exerts anti-inflammatory and antioxidant activities. However, the effects of SA on acetaminophen (APAP) overdose-induced acute liver injury (ALI) have not been determined yet. This study aims to explore the protective effects of SA and the potential mechanisms of action. Mice were pretreated with SA (25, 50, and 100 mg/kg) by intraperitoneal (i.p.) injection for seven days prior to APAP (300 mg/kg, i.p.) administration. At 12 h after APAP injection, serum and liver samples were collected. Primary murine hepatocytes were used to investigate the underlying mechanisms. SA pretreatment dose-dependently attenuated APAP-induced ALI, as validated by reduced serum alanine/aspartate aminotransferase levels, histopathologic lesions, and oxidative stress. Consistently, pretreatment with SA reduced the formation of APAP protein adducts in damaged livers of mice. Mechanistically, SA could facilitate the nuclear translocation of nuclear factor erythroid 2-related factor 2 (Nrf2) and thus promote cellular glutathione (GSH) synthesis. The hepatoprotective outcomes provided by SA were significantly abolished by treatment with ML385, a Nrf2 inhibitor. Besides, anti-inflammatory property of SA reduced inflammatory reaction in injured livers of mice. Of note, posttreatment with SA reveals significant therapeutic influences against APAP-induced ALI in mice. Collectively, our findings demonstrated that pretreated-SA ameliorated APAP-mediated ALI in mice, at least in part, by reducing the generation of APAP protein adducts via Nrf2-enhanced GSH synthesis, and by diminishing hepatic inflammation. Therefore, SA could be a potential hepatoprotective agent for treating ALI.
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Affiliation(s)
- Zixiong Zhou
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, Fujian, China; Department of Pathology and Institute of Oncology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, Fujian, China; Diagnostic Pathology Center, Fujian Medical University, Fuzhou 350122, Fujian, China
| | - Yong Wu
- Department of Pathology and Institute of Oncology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, Fujian, China; Diagnostic Pathology Center, Fujian Medical University, Fuzhou 350122, Fujian, China
| | - Wenxi Hua
- Department of Pathology and Institute of Oncology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, Fujian, China; Diagnostic Pathology Center, Fujian Medical University, Fuzhou 350122, Fujian, China
| | - Xueqing Yan
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, Fujian, China
| | - Lanqian Li
- Department of Pathology and Institute of Oncology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, Fujian, China; Diagnostic Pathology Center, Fujian Medical University, Fuzhou 350122, Fujian, China
| | - An Zhu
- Key Laboratory of Ministry of Education for Gastrointestinal Cancer, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, Fujian, China.
| | - Jing Qi
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, Fujian, China.
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He Z, Zeng Y, Li S, Lin L, Zhou R, Wang F, Yang W, Wu Y, Yang J, Chen A, Wang Z, Yang H, Zhao X, Xiao W, Li L, Gong S. Gut Commensal Fungi Protect Against Acetaminophen-Induced Hepatotoxicity by Reducing Cyp2a5 Expression in Mice. Front Microbiol 2022; 13:944416. [PMID: 35903481 PMCID: PMC9315200 DOI: 10.3389/fmicb.2022.944416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 06/09/2022] [Indexed: 11/16/2022] Open
Abstract
Background and Aims Drug-induced liver injury (DILI) is a common cause of acute liver failure and represents a significant global public health problem. When discussing the gut-liver axis, although a great deal of research has focused on the role of gut microbiota in regulating the progression of DILI, the gut commensal fungal component has not yet been functionally identified. Methods Mice were pretreated with fluconazole (FC) to deplete the gut commensal fungi and were then subject to acetaminophen (APAP) gavage. In addition, transcriptome sequencing was performed to identify differentially expressed genes (DEGs) between control and fluconazole-pretreated groups of the mice challenged with APAP. Results Gut commensal fungi ablation through fluconazole pretreatment predisposed mice to APAP-induced hepatotoxicity, characterized by elevated serum liver enzyme levels and more severe centrilobular necrosis, which appears to be caused by robust inflammation and oxidative stress. The 16S rDNA sequencing results indicated that Akkermansia muciniphila abundance had significantly decreased in gut fungi-depleted mice, whereas increased abundance of Helicobacter rodentium was observed. The gene interaction network between DEGs identified by the transcriptome sequencing highlighted a significant enrichment of Cyp2a5 in the liver of APAP-treated mice that were preadministrated with fluconazole. Pharmacological inhibition of Cyp2a5 by 8-methoxypsoralen (8-MOP) could significantly attenuate hepatic inflammation and oxidative stress in mice, thereby conferring resistance to acute liver injury caused by APAP administration. Conclusion Our data highlighted the significance of gut commensal fungi in hepatic inflammation and oxidative stress of APAP mice, shedding light on promising therapeutic strategies targeting Cyp2a5 for DILI treatment.
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Affiliation(s)
- Zhuoen He
- Department of Critical Care Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Yunong Zeng
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Shuyu Li
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Lizhen Lin
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Ruisi Zhou
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Fangzhao Wang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Wenjiao Yang
- Department of Simulation Center, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Yuhao Wu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Junhao Yang
- School of Life Science, South China Normal University, Guangzhou, China
| | - Ali Chen
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Guangzhou, China
| | - Zhang Wang
- School of Life Science, South China Normal University, Guangzhou, China
| | - Hong Yang
- Department of Critical Care Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Xiaoshan Zhao
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Wei Xiao
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
- Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education, Guangdong Pharmaceutical University, Guangzhou, China
- Wei Xiao,
| | - Lei Li
- Department of Respiratory and Critical Care Medicine, Affiliated Dongguan Hospital, Southern Medical University, Dongguan, China
- Lei Li,
| | - Shenhai Gong
- Department of Critical Care Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
- *Correspondence: Shenhai Gong,
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15
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OUP accepted manuscript. J Pharm Pharmacol 2022; 74:730-739. [DOI: 10.1093/jpp/rgab180] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 12/17/2021] [Indexed: 11/14/2022]
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16
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Jaeschke H, Adelusi OB, Akakpo JY, Nguyen NT, Sanchez-Guerrero G, Umbaugh DS, Ding WX, Ramachandran A. Recommendations for the use of the acetaminophen hepatotoxicity model for mechanistic studies and how to avoid common pitfalls. Acta Pharm Sin B 2021; 11:3740-3755. [PMID: 35024303 PMCID: PMC8727921 DOI: 10.1016/j.apsb.2021.09.023] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/22/2021] [Accepted: 09/10/2021] [Indexed: 02/07/2023] Open
Abstract
Acetaminophen (APAP) is a widely used analgesic and antipyretic drug, which is safe at therapeutic doses but can cause severe liver injury and even liver failure after overdoses. The mouse model of APAP hepatotoxicity recapitulates closely the human pathophysiology. As a result, this clinically relevant model is frequently used to study mechanisms of drug-induced liver injury and even more so to test potential therapeutic interventions. However, the complexity of the model requires a thorough understanding of the pathophysiology to obtain valid results and mechanistic information that is translatable to the clinic. However, many studies using this model are flawed, which jeopardizes the scientific and clinical relevance. The purpose of this review is to provide a framework of the model where mechanistically sound and clinically relevant data can be obtained. The discussion provides insight into the injury mechanisms and how to study it including the critical roles of drug metabolism, mitochondrial dysfunction, necrotic cell death, autophagy and the sterile inflammatory response. In addition, the most frequently made mistakes when using this model are discussed. Thus, considering these recommendations when studying APAP hepatotoxicity will facilitate the discovery of more clinically relevant interventions.
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Key Words
- AIF, apoptosis-inducing factor
- AMPK, AMP-activated protein kinase
- APAP, acetaminophen
- ARE, antioxidant response element
- ATG, autophagy-related genes
- Acetaminophen hepatotoxicity
- Apoptosis
- Autophagy
- BSO, buthionine sulfoximine
- CAD, caspase-activated DNase
- CYP, cytochrome P450 enzymes
- DAMPs, damage-associated molecular patterns
- DMSO, dimethylsulfoxide
- Drug metabolism
- EndoG, endonuclease G
- FSP1, ferroptosis suppressing protein 1
- Ferroptosis
- GPX4, glutathione peroxidase 4
- GSH, glutathione
- GSSG, glutathione disulfide
- Gclc, glutamate–cysteine ligase catalytic subunit
- Gclm, glutamate–cysteine ligase modifier subunit
- HMGB1, high mobility group box protein 1
- HNE, 4-hydroxynonenal
- Innate immunity
- JNK, c-jun N-terminal kinase
- KEAP1, Kelch-like ECH-associated protein 1
- LAMP, lysosomal-associated membrane protein
- LC3, light chain 3
- LOOH, lipid hydroperoxides
- LPO, lipid peroxidation
- MAP kinase, mitogen activated protein kinase
- MCP-1, monocyte chemoattractant protein-1
- MDA, malondialdehyde
- MPT, mitochondrial permeability transition
- Mitochondria
- MnSOD, manganese superoxide dismutase
- NAC, N-acetylcysteine
- NAPQI, N-acetyl-p-benzoquinone imine
- NF-κB, nuclear factor κB
- NQO1, NAD(P)H:quinone oxidoreductase 1
- NRF2
- NRF2, nuclear factor erythroid 2-related factor 2
- PUFAs, polyunsaturated fatty acids
- ROS, reactive oxygen species
- SMAC/DIABLO, second mitochondria-derived activator of caspase/direct inhibitor of apoptosis-binding protein with low pI
- TLR, toll like receptor
- TUNEL, terminal deoxynucleotidyl transferase dUTP nick end labeling
- UGT, UDP-glucuronosyltransferases
- mTORC1, mammalian target of rapamycin complex 1
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Affiliation(s)
- Hartmut Jaeschke
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Olamide B Adelusi
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Jephte Y Akakpo
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Nga T Nguyen
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Giselle Sanchez-Guerrero
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - David S Umbaugh
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Wen-Xing Ding
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Anup Ramachandran
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, KS 66160, USA
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Ghanim BY, Ahmad MI, Abdallah QM, Qatouseh LA, Qinna NA. Modulation of NRF2/ARE pathway- and cell death-related genes during drug-induced liver injury. Hum Exp Toxicol 2021; 40:2223-2236. [PMID: 34219507 DOI: 10.1177/09603271211027947] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Transcriptional factor NRF2 is an emerging tool in reviewing mechanistic behavior of drug-specific injury pathways. Drug-induced liver injury (DILI) represents a major clinical concern that often manifests oxidative stress and cell death. Despite the pivotal role of NRF2 pathway in liver pathologies, it is questioned whether NRF2 activation or regulatory efficiency could be hindered in by the severity of DILI and progression of cell death. In this study, we evaluate NRF2 as a biomarker to DILI in comparison to severity of injury as well as explore stress mediating factors affecting Nrf2 expression. In vivo DILI model was established in C57BL/6 mice by acetaminophen (APAP) at different toxic doses, confirmed by dose-dependent liver pathological changes and accompanied with in vitro time- and dose-dependent depletion of GSH and SOD in isolated primary mouse hepatocytes. Increase in liver NRF2 translocation and cytosolic content was observed in 70 mg/kg APAP-treated mice. At this subtoxic dose, liver Nrf2 transcription was increased in mice by 18.3-fold, a prominent downregulation was seen in ARE (antioxidant response element) genes; Hmox1, Nqo1 and Glcm, and apoptotic Bcl2 regulating genes. In addition, upregulation in necrosis inducer Parp2 was associated to downregulation in Hmgb1. Collectively, expression of genes related to cell survival were regulated at mild APAP hepatotoxicity. By increasing APAP dose, hemorrhagic necrosis and impaired genetic transcription in both Nrf2 and several other genes were evident. In conclusion, NRF2/ARE system and cell death modulation is halted by the increase of chemical stress and found directly associated with DILI severity.
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Affiliation(s)
- B Y Ghanim
- University of Petra Pharmaceutical Center (UPPC), University of Petra, Amman, Jordan
| | - M I Ahmad
- Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Q M Abdallah
- University of Petra Pharmaceutical Center (UPPC), University of Petra, Amman, Jordan
- Department of Pharmacology and Biomedical Sciences, Faculty of Pharmacy and Medical Sciences, University of Petra, Amman, Jordan
| | - L A Qatouseh
- Department of Pharmacology and Biomedical Sciences, Faculty of Pharmacy and Medical Sciences, University of Petra, Amman, Jordan
| | - N A Qinna
- University of Petra Pharmaceutical Center (UPPC), University of Petra, Amman, Jordan
- Department of Pharmacology and Biomedical Sciences, Faculty of Pharmacy and Medical Sciences, University of Petra, Amman, Jordan
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Dobrinskikh E, Al-Juboori SI, Zarate MA, Zheng L, De Dios R, Balasubramaniyan D, Sherlock LG, Orlicky DJ, Wright CJ. Pulmonary implications of acetaminophen exposures independent of hepatic toxicity. Am J Physiol Lung Cell Mol Physiol 2021; 321:L941-L953. [PMID: 34585971 PMCID: PMC8616618 DOI: 10.1152/ajplung.00234.2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 09/24/2021] [Accepted: 09/27/2021] [Indexed: 11/22/2022] Open
Abstract
Both preclinical and clinical studies have demonstrated that exposures to acetaminophen (APAP) at levels that cause hepatic injury cause pulmonary injury as well. However, whether exposures that do not result in hepatic injury have acute pulmonary implications is unknown. Thus, we sought to determine how APAP exposures at levels that do not result in significant hepatic injury impact the mature lung. Adult male ICR mice (8-12 wk) were exposed to a dose of APAP known to cause hepatotoxicity in adult mice [280 mg/kg, intraperitoneal (ip)], as well as a lower dose previously reported to not cause hepatic injury (140 mg/kg, ip). We confirm that the lower dose exposures did not result in significant hepatic injury. However, like high dose, lower exposure resulted in increased cellular content of the bronchoalveolar lavage fluid and induced a proinflammatory pulmonary transcriptome. Both the lower and higher dose exposures resulted in measurable changes in lung morphometrics, with the lower dose exposure causing alveolar wall thinning. Using RNAScope, we were able to detect dose-dependent, APAP-induced pulmonary Cyp2e1 expression. Finally, using FLIM we determined that both APAP exposures resulted in acute pulmonary metabolic changes consistent with mitochondrial overload in lower doses and a shift to glycolysis at a high dose. Our findings demonstrate that APAP exposures that do not cause significant hepatic injury result in acute inflammatory, morphometric, and metabolic changes in the mature lung. These previously unreported findings may help explain the potential relationship between APAP exposures and pulmonary-related morbidity.
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Affiliation(s)
- Evgenia Dobrinskikh
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado
- Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado
| | - Saif I Al-Juboori
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado
| | - Miguel A Zarate
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado
| | - Lijun Zheng
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado
| | - Robyn De Dios
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado
| | - Durga Balasubramaniyan
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado
| | - Laura G Sherlock
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado
| | - David J Orlicky
- Department of Pathology, University of Colorado School of Medicine, Aurora, Colorado
| | - Clyde J Wright
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado
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Ramachandran A, Jaeschke H. Oxidant Stress and Acetaminophen Hepatotoxicity: Mechanism-Based Drug Development. Antioxid Redox Signal 2021; 35:718-733. [PMID: 34232786 PMCID: PMC8558076 DOI: 10.1089/ars.2021.0102] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Significance: Acetaminophen (APAP) is one of the quantitively most consumed drugs worldwide. Although safe at therapeutic doses, intentional or unintentional overdosing occurs frequently causing severe liver injury and even liver failure. In the United States, 50% of all acute liver failure cases are caused by APAP overdose. However, only one antidote with a limited therapeutic window, N-acetylcysteine, is clinically approved. Thus, more effective therapeutic interventions are urgently needed. Recent Advances: Although APAP hepatotoxicity has been extensively studied for almost 50 years, particular progress has been made recently in two areas. First, there is now a detailed understanding of involvement of oxidative and nitrosative stress in the pathophysiology, with identification of the reactive species involved, their initial generation in mitochondria, amplification through the c-Jun N-terminal kinase pathway, and the mechanisms of cell death. Second, it was demonstrated in human hepatocytes and through biomarkers in vivo that the mechanisms of liver injury in animals accurately reflect the human pathophysiology, which allows the translation of therapeutic targets identified in animals to patients. Critical Issues: For progress, solid understanding of the pathophysiology of APAP hepatotoxicity and of a drug's targets is needed to identify promising new therapeutic intervention strategies and drugs, which may be applied to humans. Future Directions: In addition to further refine the mechanistic understanding of APAP hepatotoxicity and identify additional drugs with complementary mechanisms of action to prevent cell death, more insight into the mechanisms of regeneration and developing of drugs, which promote recovery, remains a future challenge. Antioxid. Redox Signal. 35, 718-733.
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Affiliation(s)
- Anup Ramachandran
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Hartmut Jaeschke
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, Kansas, USA
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20
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Yan M, Wang Z, Xia T, Jin S, Liu Y, Hu H, Chang Q. Enhancement of TEX264-Mediated ER-Phagy Contributes to the Therapeutic Effect of Glycycoumarin against APA Hepatotoxicity in Mice. Biomedicines 2021; 9:biomedicines9080939. [PMID: 34440143 PMCID: PMC8394328 DOI: 10.3390/biomedicines9080939] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 02/05/2023] Open
Abstract
Acetaminophen (APA)-induced hepatotoxicity is coupled with the activation of autophagy. We sought to determine whether selective autophagy of the endoplasmic reticulum (ER), termed ER-phagy, is involved in APA hepatotoxicity and to explore its potential as a therapeutic target for APA-induced liver injury (AILI). APA (300 or 600 mg/kg) was administered to male C57BL/6N mice, with and without rapamycin, glycycoumarin (GCM) and N-acetylcysteine (NAC). The results demonstrated that ER-phagy accompanied with ER stress was activated after APA overdose. The dynamic changes of LC3 and TEX264 revealed that ER-phagy was induced as early as 6 h and peaked at 24 h following the APA injection. A delayed treatment with GCM, but not rapamycin, considerably attenuated a liver injury and, consequently, reduced its mortality. This is probably due to the inhibition of ER stress and the acceleration of liver regeneration via enhanced ER-phagy. Unlike the impaired hepatocyte proliferation and more severe liver injury in mice that received prolonged treatment with NAC, liver recovery is facilitated by repeated treatment with GCM. These findings suggest that TEX264-mediated ER-phagy is a compensatory mechanism against ER stress provoked by an APA overdose. A delayed and prolonged treatment with GCM enhances ER-phagy, thus serving as a potential therapeutic approach for patients presenting at the late stage of AILI.
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Affiliation(s)
- Mingzhu Yan
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, China; (M.Y.); (Z.W.); (T.X.); (S.J.); (Y.L.)
| | - Zhi Wang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, China; (M.Y.); (Z.W.); (T.X.); (S.J.); (Y.L.)
| | - Tianji Xia
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, China; (M.Y.); (Z.W.); (T.X.); (S.J.); (Y.L.)
| | - Suwei Jin
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, China; (M.Y.); (Z.W.); (T.X.); (S.J.); (Y.L.)
| | - Yongguang Liu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, China; (M.Y.); (Z.W.); (T.X.); (S.J.); (Y.L.)
| | - Hongbo Hu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100091, China
- Correspondence: (H.H.); (Q.C.); Tel.: +86-10-6273-8653 (H.H.); +86-10-5783-3224 (Q.C.)
| | - Qi Chang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, China; (M.Y.); (Z.W.); (T.X.); (S.J.); (Y.L.)
- Correspondence: (H.H.); (Q.C.); Tel.: +86-10-6273-8653 (H.H.); +86-10-5783-3224 (Q.C.)
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21
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Atia A, Alrawaiq NS, Abdullah A. Tocotrienols Activate Nrf2 Nuclear Translocation and Increase the Antioxidant- Related Hepatoprotective Mechanism in Mice Liver. Curr Pharm Biotechnol 2021; 22:1085-1098. [PMID: 32988349 DOI: 10.2174/1389201021666200928095950] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 05/26/2020] [Accepted: 09/01/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND The most common preparation of tocotrienols is the Tocotrienol-Rich Fraction (TRF). This study aimed to investigate whether TRF induced liver Nrf2 nuclear translocation and influenced the expression of Nrf2-regulated genes. METHODS In the Nrf2 induction study, mice were divided into control, 2000 mg/kg TRF and diethyl maleate treated groups. After acute treatment, mice were sacrificed at specific time points. Liver nuclear extracts were prepared and Nrf2 nuclear translocation was detected through Western blotting. To determine the effect of increasing doses of TRF on the extent of liver nuclear Nrf2 translocation and its implication on the expression levels of several Nrf2-regulated genes, mice were divided into 5 groups (control, 200, 500 and 1000 mg/kg TRF, and butylated hydroxyanisole-treated groups). After 14 days, mice were sacrificed and liver RNA was extracted for qPCR assay. RESULTS 2000 mg/kg TRF administration initiated Nrf2 nuclear translocation within 30 min, reached a maximum level of around 1 h and dropped to half-maximal levels by 24 h. Incremental doses of TRF resulted in dose-dependent increases in liver Nrf2 nuclear levels, along with concomitant dosedependent increases in the expressions of Nrf2-regulated genes. CONCLUSION TRF activated the liver Nrf2 pathway resulting in increased expression of Nrf2-regulated cytoprotective genes.
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Affiliation(s)
- Ahmed Atia
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Bandar Tun Razak, 56000 Cheras, Kuala Lumpur, Malaysia
| | - Nadia S Alrawaiq
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Bandar Tun Razak, 56000 Cheras, Kuala Lumpur, Malaysia
| | - Azman Abdullah
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Bandar Tun Razak, 56000 Cheras, Kuala Lumpur, Malaysia
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22
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Zhu DD, Tan XM, Lu LQ, Yu SJ, Jian RL, Liang XF, Liao YX, Fan W, Barbier-Torres L, Yang A, Yang HP, Liu T. Interplay between nuclear factor erythroid 2-related factor 2 and inflammatory mediators in COVID-19-related liver injury. World J Gastroenterol 2021; 27:2944-2962. [PMID: 34168400 PMCID: PMC8192291 DOI: 10.3748/wjg.v27.i22.2944] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 03/06/2021] [Accepted: 04/25/2021] [Indexed: 02/06/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 is a global pandemic and poses a major threat to human health worldwide. In addition to respiratory symptoms, COVID-19 is usually accompanied by systemic inflammation and liver damage in moderate and severe cases. Nuclear factor erythroid 2-related factor 2 (NRF2) is a transcription factor that regulates the expression of antioxidant proteins, participating in COVID-19-mediated inflammation and liver injury. Here, we show the novel reciprocal regulation between NRF2 and inflammatory mediators associated with COVID-19-related liver injury. Additionally, we describe some mechanisms and treatment strategies.
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Affiliation(s)
- Dan-Dan Zhu
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
| | - Xue-Mei Tan
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
| | - Li-Qing Lu
- Key Laboratory of Cancer proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
| | - Si-Jia Yu
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
| | - Ru-Li Jian
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
| | - Xin-Fang Liang
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
| | - Yi-Xuan Liao
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
| | - Wei Fan
- Department of Medicine, Division of Digestive and Liver Diseases, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States
| | - Lucíia Barbier-Torres
- Department of Medicine, Division of Digestive and Liver Diseases, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States
| | - Austin Yang
- Department of Biology, East Los Angeles College, Los Angeles, CA 91008, United States
| | - He-Ping Yang
- Department of Medicine, Division of Digestive and Liver Diseases, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States
| | - Ting Liu
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
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23
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Zhang D, Wang S, Ospina E, Shabandri O, Lank D, Akakpo JY, Zhao Z, Yang M, Wu J, Jaeschke H, Saha P, Tong X, Yin L. Fructose Protects Against Acetaminophen-Induced Hepatotoxicity Mainly by Activating the Carbohydrate-Response Element-Binding Protein α-Fibroblast Growth Factor 21 Axis in Mice. Hepatol Commun 2021; 5:992-1008. [PMID: 34141985 PMCID: PMC8183176 DOI: 10.1002/hep4.1683] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 01/08/2021] [Accepted: 01/18/2021] [Indexed: 12/28/2022] Open
Abstract
Acetaminophen (N-acetyl-para-aminophenol [APAP]) overdose is the most common cause of drug-induced liver injury in the Western world and has limited therapeutic options. As an important dietary component intake, fructose is mainly metabolized in liver, but its impact on APAP-induced liver injury is not well established. We aimed to examine whether fructose supplementation could protect against APAP-induced hepatotoxicity and to determine potential fructose-sensitive intracellular mediators. We found that both high-fructose diet feeding before APAP injection and fructose gavage after APAP injection reduced APAP-induced liver injury with a concomitant induction of the hepatic carbohydrate-response element-binding protein α (ChREBPα)-fibroblast growth factor 21 (FGF21) pathway. In contrast, Chrebpα liver-specific-knockout (Chrebpα-LKO) mice failed to respond to fructose following APAP overdose, suggesting that ChREBPα is the essential intracellular mediator of fructose-induced hepatoprotective action. Primary mouse hepatocytes with deletion of Fgf21 also failed to show fructose protection against APAP hepatotoxicity. Furthermore, overexpression of FGF21 in the liver was sufficient to reverse liver toxicity in APAP-injected Chrebpα-LKO mice. Conclusion: Fructose protects against APAP-induced hepatotoxicity likely through its ability to activate the hepatocyte ChREBPα-FGF21 axis.
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Affiliation(s)
- Deqiang Zhang
- Department of Molecular and Integrative PhysiologyUniversity of Michigan Medical SchoolAnn ArborMIUSA
| | - Sujuan Wang
- Department of Molecular and Integrative PhysiologyUniversity of Michigan Medical SchoolAnn ArborMIUSA
| | - Erin Ospina
- Department of Molecular and Integrative PhysiologyUniversity of Michigan Medical SchoolAnn ArborMIUSA
| | - Omar Shabandri
- Department of Molecular and Integrative PhysiologyUniversity of Michigan Medical SchoolAnn ArborMIUSA
| | - Daniel Lank
- Department of Molecular and Integrative PhysiologyUniversity of Michigan Medical SchoolAnn ArborMIUSA
| | - Jephte Y Akakpo
- Department of PharmacologyToxicology, and TherapeuticsUniversity of Kansas Medical CenterKansas CityKSUSA
| | - Zifeng Zhao
- Department of Molecular and Integrative PhysiologyUniversity of Michigan Medical SchoolAnn ArborMIUSA
| | - Meichan Yang
- Department of Molecular and Integrative PhysiologyUniversity of Michigan Medical SchoolAnn ArborMIUSA
| | - Jun Wu
- Department of Molecular and Integrative PhysiologyUniversity of Michigan Medical SchoolAnn ArborMIUSA.,Life Sciences InstituteUniversity of Michigan Medical SchoolAnn ArborMIUSA
| | - Hartmut Jaeschke
- Department of PharmacologyToxicology, and TherapeuticsUniversity of Kansas Medical CenterKansas CityKSUSA
| | - Pradip Saha
- Molecular and Cellular BiologyBaylor College of MedicineHoustonTXUSA
| | - Xin Tong
- Department of Molecular and Integrative PhysiologyUniversity of Michigan Medical SchoolAnn ArborMIUSA
| | - Lei Yin
- Department of Molecular and Integrative PhysiologyUniversity of Michigan Medical SchoolAnn ArborMIUSA
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24
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Jaeschke H, Akakpo JY, Umbaugh DS, Ramachandran A. Novel Therapeutic Approaches Against Acetaminophen-induced Liver Injury and Acute Liver Failure. Toxicol Sci 2021; 174:159-167. [PMID: 31926003 DOI: 10.1093/toxsci/kfaa002] [Citation(s) in RCA: 103] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Liver injury and acute liver failure caused by acetaminophen (APAP, N-acetyl-p-aminophenol, paracetamol) overdose is a significant clinical problem in most western countries. The only clinically approved antidote is N-acetylcysteine (NAC), which promotes the recovery of hepatic GSH. If administered during the metabolism phase, GSH scavenges the reactive metabolite N-acetyl-p-benzoquinone imine. More recently, it was shown that NAC can also reconstitute mitochondrial GSH levels and scavenge reactive oxygen/peroxynitrite and can support mitochondrial bioenergetics. However, NAC has side effects and may not be efficacious after high overdoses. Repurposing of additional drugs based on their alternate mechanisms of action could be a promising approach. 4-Methylpyrazole (4MP) was shown to be highly effective against APAP toxicity by inhibiting cytochrome P450 enzymes in mice and humans. In addition, 4MP is a potent c-Jun N-terminal kinase inhibitor expanding its therapeutic window. Calmangafodipir (CMFP) is a SOD mimetic, which is well tolerated in patients and has the potential to be effective after severe overdoses. Other drugs approved for humans such as metformin and methylene blue were shown to be protective in mice at high doses or at human therapeutic doses, respectively. Additional protective strategies such as enhancing antioxidant activities, Nrf2-dependent gene induction and autophagy activation by herbal medicine components are being evaluated. However, at this point, their mechanistic insight is limited, and the doses used are high. More rigorous mechanistic studies are needed to advance these herbal compounds. Nevertheless, based on recent studies, 4-methylpyrazole and calmangafodipir have realistic prospects to become complimentary or even alternative antidotes to NAC for APAP overdose.
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Affiliation(s)
- Hartmut Jaeschke
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
| | - Jephte Y Akakpo
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
| | - David S Umbaugh
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
| | - Anup Ramachandran
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
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25
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Dobrinskikh E, Sherlock LG, Orlicky DJ, Zheng L, De Dios R, Balasubramaniyan D, Sizemore T, Butler B, Wright CJ. The developing murine lung is susceptible to acetaminophen toxicity. Am J Physiol Lung Cell Mol Physiol 2021; 320:L969-L978. [PMID: 33759579 DOI: 10.1152/ajplung.00072.2021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Acetaminophen (n-acetyl-p-aminophenol, APAP) use in the neonatal intensive care unit is rapidly increasing. Although APAP-related hepatotoxicity is rarely reported in the neonatal literature, other end-organ toxicity can occur with toxic exposures. APAP-induced lung injury has been reported with toxic exposures in adults, but whether this occurs in the developing lung is unknown. Therefore, we tested whether toxic APAP exposures would injure the developing lung. Neonatal C57BL/6 mice (PN7, early alveolar stage of lung development) were exposed to a dose of APAP known to cause hepatotoxicity in adult mice (280 mg/kg, IP). This exposure induced significant lung injury in the absence of identifiable hepatic toxicity. This injury was associated with increased pulmonary expression of Cyp2e1, the xenobiotic enzyme responsible for the toxic conversion of APAP. Exposure was associated with increased pulmonary expression of antioxidant response genes and decreased pulmonary glutathione peroxidase activity level. Furthermore, we observed an increase in pulmonary expression of proinflammatory cytokines and chemokines. Lastly, we were able to demonstrate that this toxic APAP exposure was associated with a shift in pulmonary metabolism away from glycolysis with increased oxidative phosphorylation, a finding consistent with increased mitochondrial workload, potentially leading to mitochondrial toxicity. This previously unrecognized injury and metabolic implications highlight the need to look beyond the liver and evaluate both the acute and long-term pulmonary implications of APAP exposure in the perinatal period.
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Affiliation(s)
- Evgenia Dobrinskikh
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado.,Division of Pulmonary Sciences and Critical Care, Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado
| | - Laura G Sherlock
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado
| | - David J Orlicky
- Department of Pathology, University of Colorado School of Medicine, Aurora, Colorado
| | - Lijun Zheng
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado
| | - Robyn De Dios
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado
| | - Durga Balasubramaniyan
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado
| | - Thom Sizemore
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado
| | - Brittany Butler
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado
| | - Clyde J Wright
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado
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26
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Zhou Z, Qi J, Yang D, Yang MS, Jeong H, Lim CW, Kim JW, Kim B. Exogenous activation of toll-like receptor 5 signaling mitigates acetaminophen-induced hepatotoxicity in mice. Toxicol Lett 2021; 342:58-72. [PMID: 33571619 DOI: 10.1016/j.toxlet.2021.01.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 01/06/2021] [Accepted: 01/28/2021] [Indexed: 02/06/2023]
Abstract
Acetaminophen (APAP) poisoning is the most common cause of drug-induced acute liver injury (ALI). Our results showed that toll-like receptor 5 (TLR5) was abundantly expressed in hepatocytes and dramatically downregulated in the toxic mouse livers. Hence, we herein investigated the role of TLR5 signaling after APAP overdose. Mice were intraperitoneally (i.p.) injected with APAP to induce ALI, and then injected with flagellin at one hour after APAP administration. Flagellin attenuated APAP-induced ALI based on decreased histopathologic lesions, serum biochemical, oxidative stress, and inflammation. Furthermore, the protective effects of flagellin were abolished by TH1020 (a TLR5 antagonist) treatment. These results suggest that flagellin exerted protective effects on ALI via TLR5 activation. Mechanistically, flagellin injection promoted the translocation of nuclear factor erythroid 2-related factor 2 (Nrf2) to the nucleus in hepatocytes. Consistent with the in vivo results, flagellin increased the activation of Nrf2 in hepatocytes, resulting in decreased APAP toxicity. ML385, a selective inhibitor of Nrf2, abolished the flagellin-mediated hepatoprotective effects in damaged livers and hepatocytes. Additionally, the flagellin-induced Nrf2 translocation was dependent upon the activation of TLR5-JNK/p38 pathways. These findings suggest that TLR5 signaling-induced Nrf2 activation, at least partially, contributed to the protection against APAP-induced ALI by flagellin treatment.
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Affiliation(s)
- Zixiong Zhou
- Department of Pathology, School of Basic Medical Sciences, Fujian Medical University, No. 1, Xuefu North Road, University Town, Fuzhou, 350122, Fujian, China
| | - Jing Qi
- Department of Pathology, School of Basic Medical Sciences, Fujian Medical University, No. 1, Xuefu North Road, University Town, Fuzhou, 350122, Fujian, China
| | - Daram Yang
- Biosafety Research Institute and Laboratory of Pathology, College of Veterinary Medicine, Jeonbuk National University, Iksan, Jeollabuk-do, 54596, Republic of Korea
| | - Myeon-Sik Yang
- Biosafety Research Institute and Laboratory of Pathology, College of Veterinary Medicine, Jeonbuk National University, Iksan, Jeollabuk-do, 54596, Republic of Korea
| | - Hyuneui Jeong
- Biosafety Research Institute and Laboratory of Pathology, College of Veterinary Medicine, Jeonbuk National University, Iksan, Jeollabuk-do, 54596, Republic of Korea
| | - Chae Woong Lim
- Biosafety Research Institute and Laboratory of Pathology, College of Veterinary Medicine, Jeonbuk National University, Iksan, Jeollabuk-do, 54596, Republic of Korea
| | - Jong-Won Kim
- Biosafety Research Institute and Laboratory of Pathology, College of Veterinary Medicine, Jeonbuk National University, Iksan, Jeollabuk-do, 54596, Republic of Korea; Center for Pharmacogenetics and Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA, USA.
| | - Bumseok Kim
- Biosafety Research Institute and Laboratory of Pathology, College of Veterinary Medicine, Jeonbuk National University, Iksan, Jeollabuk-do, 54596, Republic of Korea.
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27
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Tang X, Wang XJ. REPLY. Hepatology 2021; 73:468-469. [PMID: 32614089 DOI: 10.1002/hep.31441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Affiliation(s)
- Xiuwen Tang
- Department of Biochemistry and Department of Thoracic Surgery, The First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Xiu Jun Wang
- Department of Pharmacology and Cancer Institute, The Second Affiliated Hospital Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
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28
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Arunadevi R, Arunachalam C, Murugammal S, Monika N, Susila R, Sunil Kumar KN. Corrected and republished: comparative botanical and phytochemical studies of ambiguous medicinal plant species of wedelia and eclipta (fam. asteraceae) used in ASU systems of medicine with special reference to in-silico screening of hepatoprotective potential of marker wedelolactone with acetaminophen targets. Pharmacognosy Res 2021. [DOI: 10.4103/pr.pr_11_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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29
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Eassawy MMT, Salem AA, Ismail AFM. Biochemical study on the protective effect of curcumin on acetaminophen and gamma-irradiation induced hepatic toxicity in rats. ENVIRONMENTAL TOXICOLOGY 2020; 36:748-763. [PMID: 33350580 DOI: 10.1002/tox.23077] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 11/27/2020] [Indexed: 06/12/2023]
Abstract
Acetaminophen (APAP) is one of the few recommended analgesic and antipyretic drugs in some critical cases such as viral disease COVID-19. However, the unrestricted use of APAP develops liver disorders. Hepatotoxicity and liver injury can also be induced by ionizing radiation (IR) during radiotherapy. The data of the current study represents that treatment of rats with either APAP-overdose, or gamma-irradiation (R) induces hepatotoxicity, results in significant increases of the hepatic-enzymes activities (ALT, AST, ALP, GGT, LDH, and MDH), as well as enhancement of triglycerides, total cholesterol levels, combined with declines in albumin and total protein contents. An enhancement of the lipid peroxides (malondialdehyde; MDA), and nitric oxide levels along with a decline of reduced glutathione contents and suppression of superoxide dismutase, catalase, and glutathione peroxidase activities are also observed within the liver tissues of intoxicated animals. TNF-α, IL-1β, IL-6, iNOS, Cytochrome P450 2E1 (CYP2E1), miR-802 gene expression, NF-κB, and calcium levels are up-regulated, while Nuclear factor erythroid-related factor-2 (Nrf2), Hemoxygenase-1 (HO-1) protein and gene expressions, as well as, glutamate-cysteine ligase catalytic subunit (GCLC), NAD(P)H-Quinone oxidoreductase (NQO1), and miR-122 gene expressions are down-regulated in the livers of intoxicated animals. All these parameters show significant improvement in R/APAP intoxicated animals. Curcumin pretreatment develops an amelioration of these effects in APAP-overdose, R-exposure, or R/APAP treatments. In conclusion, oral administration of curcumin shows hepatoprotective effects against APAP-overdose induced hepatic damage in normal and gamma-irradiated rats through prospective regulation of the therapeutic targets CYP2E1, Nrf2, and NF-κB, via organizing the miR-122 and miR-802 gene expression.
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Affiliation(s)
- Mamdouh M T Eassawy
- Regional Center for Food and Feed (RCFF), Agricultural Research Center, Giza, Egypt
| | - Asmaa A Salem
- Regional Center for Food and Feed (RCFF), Agricultural Research Center, Giza, Egypt
| | - Amel F M Ismail
- Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
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30
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Zhang P, Chen S, Tang H, Fang W, Chen K, Chen X. CoQ10 protects against acetaminophen-induced liver injury by enhancing mitophagy. Toxicol Appl Pharmacol 2020; 410:115355. [PMID: 33271250 DOI: 10.1016/j.taap.2020.115355] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 11/11/2020] [Accepted: 11/26/2020] [Indexed: 12/24/2022]
Abstract
Coenzyme Q10 (CoQ10), which is a key cofactor of the electron transport chain in the mitochondria has shown many beneficial effects on liver diseases. However, the mechanisms of CoQ10 protective role on the acetaminophen (APAP)-induced liver injury are elusive and unclear. In this study, we further investigated the CoQ10 therapeutic effects on APAP-overdose liver injury. C57BL/6 J mice were intraperitoneally treated with APAP to induce liver injury. CoQ10 (5 mg/kg) was given to mice at 1.5 h after APAP treatment. The results showed that hepatic CoQ10 levels were decreased during the APAP-induced hepatotoxicity and preceded serum ALT elevation. Treatment of CoQ10 significantly improved the liver injury induced by APAP. Moreover, CoQ10 treatment decreased the ROS levels and promoted the antioxidative related gene expression in APAP overdose mice. Importantly, results showed that even though CoQ10 had no effects on the mtDNA copy number and the expression of genes related to mitochondrial biogenesis, it significantly improved the mitochondrial complex I and V activities and promoted the mitophagy in APAP-overdose mice. To further authenticate mitophagy role in CoQ10-mediated improved liver injury in vivo, we administrated APAP-overdose mice with chloroquine 1 h prior to APAP treatment and found that chloroquine treatment functionally abrogated the CoQ10 protective role on APAP overdose mice. To conclude, this study provides evidence that CoQ10 activates mitophagy to protect against APAP-induced liver injury. Therefore, CoQ10 may represent a novel therapeutic option for the prevention and treatment of drug-induced liver injury.
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Affiliation(s)
- Peiwen Zhang
- Department of Nutrition, School of Public Health, Guangdong Medical University, People's Republic of China; School of Public Health, Dongguan Key Laboratory of Environmental Medicine, Guangdong Medical University, People's Republic of China
| | - Shen Chen
- Department of Nutrition, School of Public Health, Guangdong Medical University, People's Republic of China; Department of Toxicology, School of Public Health, Sun Yat-sen University, People's Republic of China
| | - Huanwen Tang
- School of Public Health, Dongguan Key Laboratory of Environmental Medicine, Guangdong Medical University, People's Republic of China
| | - Wanjun Fang
- Department of Clinical Nutrition, Ningbo Women and Children's Hospital, Ningbo, People's Republic of China
| | - Ke Chen
- Department of Clinical Nutrition, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), Foshan, People's Republic of China; Department of Nutrition, School of Public Health, Sun Yat-Sen University, Guangzhou, People's Republic of China
| | - Xu Chen
- Department of Nutrition, School of Public Health, Guangdong Medical University, People's Republic of China; Department of Nutrition, School of Public Health, Sun Yat-Sen University, Guangzhou, People's Republic of China.
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31
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Current etiological comprehension and therapeutic targets of acetaminophen-induced hepatotoxicity. Pharmacol Res 2020; 161:105102. [DOI: 10.1016/j.phrs.2020.105102] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 07/03/2020] [Accepted: 07/21/2020] [Indexed: 02/07/2023]
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32
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McGill MR, Hinson JA. The development and hepatotoxicity of acetaminophen: reviewing over a century of progress. Drug Metab Rev 2020; 52:472-500. [PMID: 33103516 DOI: 10.1080/03602532.2020.1832112] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Acetaminophen (APAP) was first synthesized in the 1800s, and came on the market approximately 65 years ago. Since then, it has become one of the most used drugs in the world. However, it is also a major cause of acute liver failure. Early investigations of the mechanisms of toxicity revealed that cytochrome P450 enzymes catalyze formation of a reactive metabolite in the liver that depletes glutathione and covalently binds to proteins. That work led to the introduction of N-acetylcysteine (NAC) as an antidote for APAP overdose. Subsequent studies identified the reactive metabolite N-acetyl-p-benzoquinone imine, specific P450 enzymes involved, the mechanism of P450-mediated oxidation, and major adducted proteins. Significant gaps remain in our understanding of the mechanisms downstream of metabolism, but several events appear critical. These events include development of an initial oxidative stress, reactive nitrogen formation, altered calcium flux, JNK activation and mitochondrial translocation, inhibition of mitochondrial respiration, the mitochondrial permeability transition, and nuclear DNA fragmentation. Additional research is necessary to complete our knowledge of the toxicity, such as the source of the initial oxidative stress, and to greatly improve our understanding of liver regeneration after APAP overdose. A better understanding of these mechanisms may lead to additional treatment options. Even though NAC is an excellent antidote, its effectiveness is limited to the first 16 hours following overdose.
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Affiliation(s)
- Mitchell R McGill
- Department of Environmental and Occupational Health, Fay W. Boozman College of Public Health, Little Rock, AR, USA.,Department of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Jack A Hinson
- Department of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA
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33
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Clemens MM, Vazquez JH, Kennon-McGill S, McCullough SS, James LP, McGill MR. Pre-treatment twice with liposomal clodronate protects against acetaminophen hepatotoxicity through a pre-conditioning effect. LIVER RESEARCH 2020; 4:145-152. [PMID: 33042596 PMCID: PMC7544241 DOI: 10.1016/j.livres.2020.07.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND AND AIM Acetaminophen (APAP) overdose is a major cause of acute liver injury, but the role of macrophages in propagation of the hepatotoxicity is controversial. Early research revealed that macrophage inhibitors protect against APAP injury. However, later work demonstrated that macrophage ablation by acute pre-treatment with liposomal clodronate (LC) exacerbates the toxicity. To our surprise, during other studies, we observed that pre-treatment twice with LC seemed to protect against APAP hepatotoxicity, in contrast to acute pre-treatment. The aim of this study was to confirm that observation and to explore the mechanisms. METHODS We treated mice with empty liposomes (LE) or LC twice per week for 1 week before APAP overdose and collected blood and liver tissue at 0, 2, and 6 h post-APAP. We then measured liver injury (serum ALT activity, histology), APAP bioactivation (total glutathione, APAP-protein adducts), oxidative stress (oxidized glutathione [GSSG]), glutamate cysteine-ligase subunit c (Gclc) mRNA, and nuclear factor erythroid 2-related factor (Nrf2) immunofluorescence. We also confirmed ablation of macrophages by F4/80 immunohistochemistry. RESULTS Pre-treatment twice with LC dramatically reduced F4/80 staining, protected against liver injury, and reduced oxidative stress at 6 h post-APAP, without affecting APAP bioactivation. Importantly, Gclc mRNA was higher in the LC group at 0 h and total glutathione was higher at 2 h, indicating accelerated glutathione re-synthesis after APAP overdose due to greater basal glutamate-cysteine ligase. Oxidative stress was lower in the LC groups at both time points. Finally, total Nrf2 immunofluorescence was higher in the LC group. CONCLUSIONS We conclude that multiple pre-treatments with LC protect against APAP by accelerating glutathione re-synthesis through glutamate-cysteine ligase. Investigators using two or possibly more LC pre-treatments to deplete macrophages, including peritoneal macrophages, should be aware of this possible confounder.
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Affiliation(s)
- Melissa M. Clemens
- Dept. of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, 4301 W. Markham St., Little Rock, AR, USA 72205,Interdisciplinary Graduate Program in Biomedical Sciences, Graduate School, University of Arkansas for Medical Sciences, 4301 W. Markham St., Little Rock, AR USA 72205
| | - Joel H. Vazquez
- Dept. of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, 4301 W. Markham St., Little Rock, AR, USA 72205,Interdisciplinary Graduate Program in Biomedical Sciences, Graduate School, University of Arkansas for Medical Sciences, 4301 W. Markham St., Little Rock, AR USA 72205
| | - Stefanie Kennon-McGill
- Dept. of Environmental and Occupational Health, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, 4301 W. Markham St., Little Rock, AR, USA 72205
| | - Sandra S. McCullough
- Dept. of Pediatrics, College of Medicine, University of Arkansas for Medical Sciences, 4301 W. Markham St., Little Rock, AR USA 72205
| | - Laura P. James
- Dept. of Pediatrics, College of Medicine, University of Arkansas for Medical Sciences, 4301 W. Markham St., Little Rock, AR USA 72205
| | - Mitchell R. McGill
- Dept. of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, 4301 W. Markham St., Little Rock, AR, USA 72205,Dept. of Environmental and Occupational Health, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, 4301 W. Markham St., Little Rock, AR, USA 72205,Center for Dietary Supplement Research, University of Arkansas for Medical Sciences, 4301 W. Markham St., Little Rock, AR, USA 72205
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Lv H, Zhu C, Wei W, Lv X, Yu Q, Deng X, Ci X. Enhanced Keap1-Nrf2/Trx-1 axis by daphnetin protects against oxidative stress-driven hepatotoxicity via inhibiting ASK1/JNK and Txnip/NLRP3 inflammasome activation. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2020; 71:153241. [PMID: 32454347 DOI: 10.1016/j.phymed.2020.153241] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 03/24/2020] [Accepted: 05/06/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Oxidative stress-triggered fatal hepatotoxicity is an essential pathogenic factor in acute liver failure (ALF). AIMS To investigate the protective effect of daphnetin (Daph) on tert-butyl hydroperoxide (t-BHP) and acetaminophen (APAP)-induced hepatotoxicity through altering Nrf2/Trx-1 pathway activation. MATERIALS AND METHODS In vivo, male C57BL/6 mice with Wild-type (WT) and Nrf2-/- were divided into five groups and acute liver injury model were established by APAP or LPS/GalN after injection with Daph (20, 40, or 80 mg/kg), seperately. Then, liver tissue and serum were collected for biochemical determination, TUNEL and H & E staining, and western blot analysis. In vitro, HepG2 cells were used to investigate the protective effect and mechanism of daphnetin against ROS and apoptosis induced by t-BHP via apoptosis detection, western blot, immunofluorescence analysis, and sgRNA transfection. RESULTS Our results indicated that Daph efficiently inhibited t-BHP-stimulated hepatotoxicity, and modulated Trx-1 expression and Nrf2 activation which decreased Keap1-overexpression in HepG2 cells. Moreover, Daph inhibited t-BHP-excited hepatotoxicity and enhanced Trx-1 expression, which was reversed in Nrf2-/- HepG2 cells. In vivo, a survival rate analysis first suggested that Daph significantly reduced the lethality induced by APAP or GalN/LPS in a Nrf2-dependent or -independent manner by using Nrf2-/- mice, respectively. Next, further results implicated that Daph not only effectively alleviated APAP-induced an increase of ALT and AST levels, histopathological changes, ROS overproduction, malondialdehyde (MDA) formation and GSH/GSSG reduction, but it also relieved hepatic apoptosis by strengthening the suppression of cleaved-caspase-3 and expression of P53 protein. Additionally, Daph attenuated mitochondrial dysfunction by suppressing ASK1/JNK activation and decreasing apoptosis-inducing factor (AIF) and Cytochrome c release and Bax mitochondrial translocation. Daph inhibited inflammatory responses by inactivating the thioredoxin-interacting protein (Txnip)/NLRP3 inflammasome. Furthermore, Daph efficiently enhanced Nrf2 nuclear translocation and Trx-1 expression. However, these effects in WT mice were eliminated in Nrf2-/- mice. CONCLUSIONS These investigations demonstrated that Daph treatment has protective potential against oxidative stress-driven hepatotoxicity by inhibition of ASK1/JNK and Txnip/NLRP3 activation, which may be strongly related to the Nrf2/Trx-1 upregulation.
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Affiliation(s)
- Hongming Lv
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, China
| | - Chao Zhu
- Department of Ophthalmology, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun, China
| | - Wei Wei
- Department of Urology, The First Hospital of Jilin University, Changchun, China
| | - Xiaohong Lv
- Department of Respiration, The First Hospital of Jilin University, Changchun, China
| | - Qinlei Yu
- Jilin Provincial Animal Disease Control Center, 4510 Xi'an Road, Changchun 130062, China
| | - Xuming Deng
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, China
| | - Xinxin Ci
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, China.
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Chen Y, Liu K, Zhang J, Hai Y, Wang P, Wang H, Liu Q, Wong CC, Yao J, Gao Y, Liao Y, Tang X, Wang XJ. c-Jun NH 2 -Terminal Protein Kinase Phosphorylates the Nrf2-ECH Homology 6 Domain of Nuclear Factor Erythroid 2-Related Factor 2 and Downregulates Cytoprotective Genes in Acetaminophen-Induced Liver Injury in Mice. Hepatology 2020; 71:1787-1801. [PMID: 31945188 PMCID: PMC7318587 DOI: 10.1002/hep.31116] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 12/18/2019] [Indexed: 12/30/2022]
Abstract
BACKGROUND AND AIMS Acetaminophen (APAP) overdose induces severe liver injury and hepatic failure. While the activation of c-Jun NH2 -terminal kinase (JNK) has been implicated as a mechanism in APAP-induced liver injury, the hepatic defense system controlled by nuclear factor erythroid 2-related factor 2 (Nrf2) plays a central role in the mitigation of APAP toxicity. However, the link between the two signaling pathways in APAP-induced liver injury (AILI) remains unclear. APPROACH AND RESULTS In this study, we demonstrated that the activation of JNK in mouse liver following exposure to APAP was correlated with the phosphorylation of Nrf2 and down-regulation of the antioxidant response element (ARE)-driven genes, NAD(P)H:quinone dehydrogenase 1, glutathione S-transferase α3, glutathione S-transferase M1, glutathione S-transferase M5, and aldo-keto reductase 1C. The JNK inhibitor, SP600125, or knockdown of JNK by infection of adenovirus expressing JNK small interfering RNA, ameliorated the APAP induced liver toxicity, and inhibited the phosphorylation of Nrf2 and down-regulation of detoxifying enzymes by stabilizing the transcription factor. Mechanistically, JNK antagonized Nrf2- and ARE-driven gene expression in a Kelch-like ECH-associated protein 1-independent manner. Biochemical analysis revealed that phosphorylated JNK (P-JNK) directly interacted with the Nrf2-ECH homology (Neh) 1 domain of Nrf2 and phosphorylated the serine-aspartate-serine motif 1 (SDS1) region in the Neh6 domain of Nrf2. CONCLUSIONS Mass spectrometric analysis identified serine 335 in the SDS1 region of mNrf2 as the major phosphorylation site for modulation of Nrf2 ubiquitylation by P-JNK. This study demonstrates that Nrf2 is a target of P-JNK in AILI. Our finding may provide a strategy for the treatment of AILI.
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Affiliation(s)
- Yiping Chen
- Department of Pharmacology and Cancer Institute of the Second Affiliated HospitalZhejiang University School of MedicineZhejiang UniversityHangzhouPR China
| | - Kaihua Liu
- Department of Pharmacology and Cancer Institute of the Second Affiliated HospitalZhejiang University School of MedicineZhejiang UniversityHangzhouPR China
| | - Jingwen Zhang
- Department of Pharmacology and Cancer Institute of the Second Affiliated HospitalZhejiang University School of MedicineZhejiang UniversityHangzhouPR China
| | - Yan Hai
- Department of Biochemistry and Department of Thoracic SurgeryThe First Affiliated HospitalZhejiang University School of MedicineZhejiang UniversityHangzhouPR China
| | - Peng Wang
- Department of Pharmacology and Cancer Institute of the Second Affiliated HospitalZhejiang University School of MedicineZhejiang UniversityHangzhouPR China
| | - Hongyan Wang
- Department of Biochemistry and Department of Thoracic SurgeryThe First Affiliated HospitalZhejiang University School of MedicineZhejiang UniversityHangzhouPR China
| | - Qiuyan Liu
- Department of Pharmacology and Cancer Institute of the Second Affiliated HospitalZhejiang University School of MedicineZhejiang UniversityHangzhouPR China
| | - Catherine C.L. Wong
- Center for Precision Medicine Multi‐Omics ResearchPeking University Health Science CenterBeijingChina,State Key Laboratory of Natural and Biomimetic DrugsSchool of Pharmaceutical SciencesPeking UniversityBeijingChina,National Center for Protein Science (Shanghai)Institute of Biochemistry and Cell BiologyShanghai Institutes for Biological SciencesChinese Academy of SciencesShanghaiChina
| | - Jun Yao
- Department of Pharmacology and Cancer Institute of the Second Affiliated HospitalZhejiang University School of MedicineZhejiang UniversityHangzhouPR China
| | - Yang Gao
- Department of Biochemistry and Department of Thoracic SurgeryThe First Affiliated HospitalZhejiang University School of MedicineZhejiang UniversityHangzhouPR China
| | - Yijiao Liao
- Department of Biochemistry and Department of Thoracic SurgeryThe First Affiliated HospitalZhejiang University School of MedicineZhejiang UniversityHangzhouPR China
| | - Xiuwen Tang
- Department of Biochemistry and Department of Thoracic SurgeryThe First Affiliated HospitalZhejiang University School of MedicineZhejiang UniversityHangzhouPR China
| | - Xiu Jun Wang
- Department of Pharmacology and Cancer Institute of the Second Affiliated HospitalZhejiang University School of MedicineZhejiang UniversityHangzhouPR China
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Ashari S, Karami M, Shokrzadeh M, Ghandadi M, Ghassemi-Barghi N, Dashti A, Ranaee M, Mohammadi H. The implication of mitochondrial dysfunction and mitochondrial oxidative damage in di (2-ethylhexyl) phthalate induced nephrotoxicity in both in vivo and in vitro models. Toxicol Mech Methods 2020; 30:427-437. [PMID: 32312132 DOI: 10.1080/15376516.2020.1758980] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Di-(2-ethylhexyl) phthalate (DEHP) and its main metabolite, monoethylhexyl phthalic acid (MEHP), are a serious threat to human and animals' health in the current century. However, their exact mechanism to induce nephrotoxicity is not clear. In the current study, we addressed toxic effects of MEHP and DEHP on embryonic human kidney cells (HEK-293 cell line) and kidney tissue of rats, respectively. In the HEK-293, MTT assay and oxidative stress parameters were measured after treatment with different concentrations of MEHP. For in vivo study, rats were treated with different doses of DEHP (50, 100, 200, 400 mg/kg) via gavage administration for 45 days. The renal function biomarkers (BUN and creatinine) were determined in serum of rats. Mitochondrial toxic parameters including MTT, mitochondrial membrane potential (MMP), mitochondrial swelling, and also oxidative stress parameters were measured in isolated kidney mitochondria. Histopathological effects of DEHP were also evaluated in rats' kidneys. We demonstrated that MEHP induced oxidative stress and cytotoxicity in HEK-293 cells in a concentration dependent manner. The administration of DEHP led to histopathological changes in kidney tissue, which concurred with BUN and creatinine alternations in serum of rats. The results of present study showed a significant mitochondrial dysfunction and oxidative stress confirmed by enhancement of mitochondrial swelling, mitochondrial reactive oxygen species (ROS) and malondialdehyde (MDA), and reduction of MMP and mitochondrial glutathione (GSH). Taken together, this study showed that DEHP/MEHP resulted in mitochondrial dysfunction and oxidative damage, which suggest a vital role of mitochondria in DEHP/MEHP-induced nephrotoxicity.
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Affiliation(s)
- Sorour Ashari
- Student Research Committee, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Department of Toxicology and Pharmacology, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mohammad Karami
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran.,Pharmacutical Science Research Center, Hemoglobinopathy Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mohammad Shokrzadeh
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran.,Pharmacutical Science Research Center, Hemoglobinopathy Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | - Morteza Ghandadi
- Pharmacutical Science Research Center, Hemoglobinopathy Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | - Nasrin Ghassemi-Barghi
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Ayat Dashti
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mohammad Ranaee
- Clinical Research Development Center, Rouhani Hospital, Babol University of Medical Sciences, Babol, Iran.,Department of Pathology, Rouhani hospital, Babol University of Medical Sciences, Babol, Iran
| | - Hamidreza Mohammadi
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran.,Pharmacutical Science Research Center, Hemoglobinopathy Institute, Mazandaran University of Medical Sciences, Sari, Iran
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Chang L, Xu D, Zhu J, Ge G, Kong X, Zhou Y. Herbal Therapy for the Treatment of Acetaminophen-Associated Liver Injury: Recent Advances and Future Perspectives. Front Pharmacol 2020; 11:313. [PMID: 32218738 PMCID: PMC7078345 DOI: 10.3389/fphar.2020.00313] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Accepted: 03/03/2020] [Indexed: 12/13/2022] Open
Abstract
Acetaminophen (APAP) overdose is the leading cause of drug-induced liver injury worldwide, and mitochondrial oxidative stress is considered the major event responsible for APAP-associated liver injury (ALI). Despite the identification of N-acetyl cysteine, a reactive oxygen species scavenger that is regarded as an effective clinical treatment, therapeutic effectiveness remains limited due to rapid disease progression and diagnosis at a late phase, which leads to the need to explore various therapeutic approaches. Since the early 1990s, a number of natural products and herbs have been found to have hepatoprotective effects against APAP-induced hepatotoxicity in terms of acute liver failure prevention and therapeutic amelioration of ALI. In this review, we summarize the hepatoprotective effects and mechanisms of medicinal plants, including herbs and fruit extracts, along with future perspectives that may provide guidance to improve the current status of herbal therapy against ALI.
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Affiliation(s)
- Ling Chang
- Department of Gastroenterology, The Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Dongwei Xu
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Jianjun Zhu
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Guangbo Ge
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiaoni Kong
- Central Laboratory, Department of Liver Diseases, Institute of Clinical Immunology, ShuGuang Hospital Affiliated to Shanghai University of Chinese Traditional Medicine, Shanghai, China
| | - Ying Zhou
- Department of Gastroenterology, The Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, China
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38
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Hu C, Zhao L, Wu Z, Li L. Transplantation of mesenchymal stem cells and their derivatives effectively promotes liver regeneration to attenuate acetaminophen-induced liver injury. Stem Cell Res Ther 2020; 11:88. [PMID: 32106875 PMCID: PMC7047366 DOI: 10.1186/s13287-020-01596-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 01/29/2020] [Accepted: 02/10/2020] [Indexed: 02/07/2023] Open
Abstract
Acetaminophen (APAP)-induced injury is a common clinical phenomenon that not only occurs in a dose-dependent manner but also occurs in some idiosyncratic individuals in a dose-independent manner. APAP overdose generally results in acute liver injury via the initiation of oxidative stress, endoplasmic reticulum (ER) stress, autophagy, liver inflammation, and microcirculatory dysfunction. Liver transplantation is the only effective strategy for treating APAP-induced liver failure, but liver transplantation is inhibited by scarce availability of donor liver grafts, acute graft rejection, lifelong immunosuppression, and unbearable costs. Currently, N-acetylcysteine (NAC) effectively restores liver functions early after APAP intake, but it does not protect against APAP-induced injury at the late stage. An increasing number of animal studies have demonstrated that mesenchymal stem cells (MSCs) significantly attenuate acute liver injury through their migratory capacity, hepatogenic differentiation, immunoregulatory capacity, and paracrine effects in acute liver failure (ALF). In this review, we comprehensively discuss the mechanisms of APAP overdose-induced liver injury and current therapies for treating APAP-induced liver injury. We then comprehensively summarize recent studies about transplantation of MSC and MSC derivatives for treating APAP-induced liver injury. We firmly believe that MSCs and their derivatives will effectively promote liver regeneration and liver injury repair in APAP overdose-treated animals and patients. To this end, MSC-based therapies may serve as an effective strategy for patients who are waiting for liver transplantation during the early and late stages of APAP-induced ALF in the near future.
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Affiliation(s)
- Chenxia Hu
- Collaborative Innovation Center for the Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Lingfei Zhao
- Kidney Disease Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Key Laboratory of Kidney Disease Prevention and Control Technology, Zhejiang Province, Hangzhou, Zhejiang, People's Republic of China.,Institute of Nephrology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Zhongwen Wu
- Collaborative Innovation Center for the Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Lanjuan Li
- Collaborative Innovation Center for the Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China. .,National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.
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39
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Lv H, An B, Yu Q, Cao Y, Liu Y, Li S. The hepatoprotective effect of myricetin against lipopolysaccharide and D-galactosamine-induced fulminant hepatitis. Int J Biol Macromol 2019; 155:1092-1104. [PMID: 31712142 DOI: 10.1016/j.ijbiomac.2019.11.075] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 10/09/2019] [Accepted: 11/07/2019] [Indexed: 12/25/2022]
Abstract
Fulminant hepatitis (FH) is a severe liver disease characterized by extensive hepatic necrosis, oxidative stress, and inflammation. Myricetin (Myr), a botanical flavonoid glycoside, is recognized to exert antiapoptosis, anti-inflammatory, and antioxidant properties. In the current study, we focused on exploring the protective effects and underlying mechanisms of Myr against lipopolysaccharide (LPS) and D-galactosamine (D-GalN)-induced FH. These data indicated that Myr effectively protected from LPS/D-GalN-induced FH by lowering the mortality of mice, decreasing ALT and AST levels, and alleviating histopathological changes, oxidative stress, inflammation, and hepatic apoptosis. Moreover, Myr could efficiently mediate multiple signaling pathways, displaying not only the regulation of caspase-3/9 and P53 protein, inhibition of toll-like receptor 4 (TLR4)-nuclear factor-kappa B (NF-κB) activation, and -mitogen-activated protein kinase (MAPK), but also the increase of heme oxygenase-1 (HO-1) and nuclear factor-erythroid 2-related factor 2 (Nrf2) expression, as well as induction of AMP-activated protein kinase (AMPK) and acetyl-CoA carboxylase (ACC) phosphorylation in mice with LPS/D-GalN-induced FH. Importantly, our further results in vitro suggested that Myr remarkably attenuated H2O2-triggered hepatotoxicity and ROS generation, activated Keap1-Nrf2/HO-1 and AMPK/ACC signaling pathway. However, Myr-enhanced the expression of HO-1 and Nrf2 protein was reversed by Keap1-overexpression, Nrf2-null and AMPK inhibitor. Meanwhile, Myr-relieved hepatotoxicity excited by H2O2 was blocked by Nrf2-null and AMPK inhibitor. Taken together, Myr exhibits a protective role against LPS/D-GalN-induced FH by suppressing hepatic apoptosis, inflammation, and oxidative stress, likely involving in the regulation of apoptosis-related protein, TLR4-NF-κB/-MAPK and NLRP3 inflammasome, and AMPK-Nrf2/HO-1 signaling pathway.
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Affiliation(s)
- Hongming Lv
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang Bayi, China
| | - Beiying An
- Department of Clinical Laboratory, The First Hospital of Jilin University, Changchun 130021, Jilin, China
| | - Qinlei Yu
- Jilin Provincial Animal Disease Control Center, 4510 Xi'an Road, Changchun 130062, China
| | - Yu Cao
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang Bayi, China
| | - Yang Liu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang Bayi, China
| | - Shize Li
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang Bayi, China.
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40
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Jia ZL, Cen J, Wang JB, Zhang F, Xia Q, Wang X, Chen XQ, Wang RC, Hsiao CD, Liu KC, Zhang Y. Mechanism of isoniazid-induced hepatotoxicity in zebrafish larvae: Activation of ROS-mediated ERS, apoptosis and the Nrf2 pathway. CHEMOSPHERE 2019; 227:541-550. [PMID: 31004821 DOI: 10.1016/j.chemosphere.2019.04.026] [Citation(s) in RCA: 93] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 04/02/2019] [Accepted: 04/03/2019] [Indexed: 06/09/2023]
Abstract
Isoniazid (INH) is a first-line anti-tuberculosis drug. INH has been detected in surface waters which may create a risk to aquatic organisms. In this study, the hepatotoxicity of INH was elucidated using zebrafish. The liver morphology, transaminase level, redox-related enzyme activity, reactive oxygen species (ROS) content and mRNA levels of liver injury-related genes were measured. The results showed that INH (4, 6 mM) significantly caused liver atrophy and increased levels of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) in zebrafish. INH (6 mM) led to decreased catalase (CAT) activity, glutathione peroxidase (GPx) activity and glutathione (GSH) content but increased ROS and malondialdehyde (MDA) levels. Moreover, INH (6 mM) decreased expression levels of miR-122 and pparα but increased mRNA levels of ap-1 and c-jun. Furthermore, mRNA levels of factors related to endoplasmic reticulum stress (ERS) (grp78, atf6, perk, ire1, xbp1s and chop), apoptosis (bax, cyt, caspase-3, caspase-8 and caspase-9) and the Nrf2 signalling pathway (nrf2, ho-1, nqo1, gclm and gclc) were significantly upregulated. INH may act on hepatotoxicity in zebrafish by increasing ROS content, which weakens the antioxidant capacity, leading to ERS, cell apoptosis and liver injury. In addition, the Nrf2 signalling pathway is activated as a stress compensation mechanism during INH-induced liver injury, but it is not sufficient to counteract INH-induced hepatotoxicity.
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Affiliation(s)
- Zhi-Li Jia
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, Key Laboratory for Biosensor of Shandong Province, Jinan, Shandong Province, PR China; Key Laboratory of Natural Medicine and Immuno-Engineering, Henan University, Kaifeng, Henan Province, PR China
| | - Juan Cen
- Key Laboratory of Natural Medicine and Immuno-Engineering, Henan University, Kaifeng, Henan Province, PR China
| | - Jia-Bo Wang
- Beijing 302 Hospital of China, Beijing, PR China
| | - Feng Zhang
- College of Pharmacy, Henan University, Kaifeng, Henan Province, PR China
| | - Qing Xia
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, Key Laboratory for Biosensor of Shandong Province, Jinan, Shandong Province, PR China
| | - Xue Wang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, Key Laboratory for Biosensor of Shandong Province, Jinan, Shandong Province, PR China
| | - Xi-Qiang Chen
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, Key Laboratory for Biosensor of Shandong Province, Jinan, Shandong Province, PR China
| | - Rong-Chun Wang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, Key Laboratory for Biosensor of Shandong Province, Jinan, Shandong Province, PR China
| | - Chung-der Hsiao
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li, Taiwan
| | - Ke-Chun Liu
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, Key Laboratory for Biosensor of Shandong Province, Jinan, Shandong Province, PR China
| | - Yun Zhang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, Key Laboratory for Biosensor of Shandong Province, Jinan, Shandong Province, PR China.
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Ge Z, Wang C, Zhang J, Li X, Hu J. Tempol Protects Against Acetaminophen Induced Acute Hepatotoxicity by Inhibiting Oxidative Stress and Apoptosis. Front Physiol 2019; 10:660. [PMID: 31214044 PMCID: PMC6554449 DOI: 10.3389/fphys.2019.00660] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 05/09/2019] [Indexed: 12/12/2022] Open
Abstract
Acetaminophen (APAP)-induced acute hepatotoxicity is the leading cause of drug-induced acute liver failure. The aim of this study was to evaluate the effects of 4-hydroxy-2,2,6,6-tetramethylpiperidine-N-oxyl (tempol) on the protection of APAP-induced hepatotoxicity in mice. Mice were pretreated with a single dose of tempol (20 mg/kg per day) orally for 7 days. On the seventh day, mice were injected with a single dose of APAP (300 mg/kg) to induce acute hepatotoxicity. Our results showed that tempol treatment markedly improved liver functions with alleviations of histopathological damage induced by APAP. Tempol treatment upregulated levels of antioxidant proteins, including superoxide dismutase, catalase, and glutathione. Also, phosphorylation of phosphoinositide 3-kinase (PI3K) and protein kinase B (Akt) and protein expression of nuclear factor erythroid 2-related factor (Nrf 2) and heme oxygense-1 (HO-1) were all increased by tempol, which indicated tempol protected against APAP-induced hepatotoxicity via the PI3K/Akt/Nrf2 pathway. Moreover, tempol treatment decreased pro-apoptotic protein expressions (cleaved caspase-3 and Bax) and increased anti-apoptotic Bcl-2 in liver, as well as reducing apoptotic cells of TUNEL staining, which suggested apoptotic effects of tempol treatment. Overall, we found that tempol normalizes liver function in APAP-induced acute hepatotoxicity mice via activating PI3K/Akt/Nrf2 pathway, thus enhancing antioxidant response and inhibiting hepatic apoptosis.
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Affiliation(s)
- Zheng Ge
- Department of General Surgery, Huaihe Hospital of Henan University, Kaifeng, China
| | - Chenyu Wang
- Department of General Surgery, Huaihe Hospital of Henan University, Kaifeng, China
| | - Junjie Zhang
- Department of General Surgery, Huaihe Hospital of Henan University, Kaifeng, China
| | - Xiwang Li
- Department of General Surgery, Huaihe Hospital of Henan University, Kaifeng, China
| | - Junhong Hu
- Department of General Surgery, Huaihe Hospital of Henan University, Kaifeng, China
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Saide K, Sherwood V, Wheeler GN. Paracetamol-induced liver injury modelled in Xenopus laevis embryos. Toxicol Lett 2019; 302:83-91. [DOI: 10.1016/j.toxlet.2018.09.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 09/19/2018] [Accepted: 09/28/2018] [Indexed: 01/25/2023]
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43
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Wang L, Wei W, Xiao Q, Yang H, Ci X. Farrerol Ameliorates APAP-induced Hepatotoxicity via Activation of Nrf2 and Autophagy. Int J Biol Sci 2019; 15:788-799. [PMID: 30906210 PMCID: PMC6429022 DOI: 10.7150/ijbs.30677] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Accepted: 12/22/2018] [Indexed: 12/31/2022] Open
Abstract
Farrerol has been shown to have antioxidative potential via Nrf2 activation, which in turn is involved in the prevention of hepatotoxicity. The purpose of the current study was to explore the protective effect of farrerol against acetaminophen-induced hepatotoxicity and its underlying mechanisms. Mice were used to evaluate the hepatoprotective effect of farrerol on liver injury induced by acetaminophen in vivo. HepG2 cells were utilized to further determine the functional role and mechanisms by which Nrf2 and autophagy are involved in the hepatoprotective effect of farrerol in vitro. We found that treatment with farrerol leads to a significant reduction in acetaminophen-induced hepatotoxicity by decreasing mortality, histopathological liver changes, and ALT and AST levels. Furthermore, farrerol effectively suppressed mitochondrial dysfunction by reducing JNK phosphorylation, Bax mitochondrial translocation, AIF and cytochrome c release. Further investigations revealed that the activation of Nrf2 and the induction of autophagy via the AMPK/AKT pathway by farrerol contributed to its hepatoprotective activity in vitro. In addition, farrerol inhibited acetaminophen-induced the mortality and histopathological changes in WT mice were evidently alleviated but not abrogated in Nrf2 -/- mice, which attributed to the induction of autophagy. Together, farrerol has protective potential against acetaminophen-induced hepatotoxicity which may be associated with activation of Nrf2 and autophagy.
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Affiliation(s)
- Lidong Wang
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun 130001, China
| | - Wei Wei
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun 130001, China
| | - Qingfei Xiao
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun 130001, China
| | - Huahong Yang
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun 130001, China
| | - Xinxin Ci
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun 130001, China
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Liu X, Huang K, Niu Z, Mei D, Zhang B. Protective effect of isochlorogenic acid B on liver fibrosis in non-alcoholic steatohepatitis of mice. Basic Clin Pharmacol Toxicol 2018; 124:144-153. [PMID: 30180301 DOI: 10.1111/bcpt.13122] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 08/25/2018] [Indexed: 02/06/2023]
Abstract
Liver fibrosis is a common symptom of non-alcoholic steatohepatitis (NASH) and a worldwide clinical issue. The miR-122/HIF-1α signalling pathway is believed to play an important role in the genesis of progressive fibrosis. Isochlorogenic acid B (ICAB), naturally isolated from Laggera alata, is verified to have antioxidative and hepatoprotective properties. The aim of this study was to investigate the effect of ICAB on liver fibrosis in NASH and its potential protective mechanisms. NASH was induced in a mouse model with a methionine- and choline-deficient (MCD) diet for 4 weeks, and ICAB was orally administered every day at three doses (5, 10 and 20 mg/kg). Pathological results indicated that ICAB significantly improved the pathological lesions of liver fibrosis. The levels of serum alanine aminotransferase (ALT), aspartate aminotransferase (AST) and hepatic hydroxyproline (Hyp), cholesterol (CHO) and triglyceride (TG) were also significantly decreased by ICAB. In addition, ICAB inhibited hepatic stellate cells (HSCs) activation and the expressions of hepatic genes involved in liver fibrosis including LOX, TGF-β1, MCP-1, COL1α1 and TIMP-1. ICAB also attenuated liver oxidative stress through Nrf2 signalling pathway. What is more, the decreased levels of miR-122 and over-expression of hepatic HIF-1α could be reversed by ICAB treatment. These results simultaneously confirmed that ICAB had a significant protective effect on fibrosis in NASH by inhibiting oxidative stress via Nrf2 and suppressing multiple profibrogenic factors through miR-122/HIF-1α signalling pathway.
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Affiliation(s)
- Xin Liu
- Department of Pharmacy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Kai Huang
- Drug Clinical Trial Institution, Wuxi People' Hospital, Nanjing Medical University, Wuxi, China
| | - Ziran Niu
- Department of Pharmacy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Dan Mei
- Department of Pharmacy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Bo Zhang
- Department of Pharmacy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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Xu LL, Wu YF, Wang L, Li CC, Li L, Di B, You QD, Jiang ZY. Structure-activity and structure-property relationships of novel Nrf2 activators with a 1,2,4-oxadiazole core and their therapeutic effects on acetaminophen (APAP)-induced acute liver injury. Eur J Med Chem 2018; 157:1376-1394. [DOI: 10.1016/j.ejmech.2018.08.071] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 08/11/2018] [Accepted: 08/25/2018] [Indexed: 12/24/2022]
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Yan M, Ye L, Yin S, Lu X, Liu X, Lu S, Cui J, Fan L, Kaplowitz N, Hu H. Glycycoumarin protects mice against acetaminophen-induced liver injury predominantly via activating sustained autophagy. Br J Pharmacol 2018; 175:3747-3757. [PMID: 30024038 DOI: 10.1111/bph.14444] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 06/28/2018] [Accepted: 06/29/2018] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND AND PURPOSE Acetaminophen-induced acute liver injury (AILI) is the most frequent cause of acute liver failure in developed countries. Given the significant limitations associated with N-acetyl cysteine, the only antidote used to treat AILI, the development of novel therapeutic approaches that can offer a wide range of therapeutic time-windows is clearly needed. Glycycoumarin (GCM), a natural coumarin purified from liquorice, has been previously demonstrated to possess potent hepatoprotective effects. In the present study, we aimed to investigate the therapeutic potential of GCM against AILI. EXPERIMENTAL APPROACH Acetaminophen (300 mg·kg-1 ) was administered to male C57BL/6 mice, with and without GCM. Serum transaminases, haematoxylin and eosin staining and Western blot were used to assess hepatic damage. KEY RESULTS GCM (50 mg·kg-1 ) was highly effective against acetaminophen-induced hepatotoxicity. Moreover, GCM was superior to N-acetyl cysteine, in terms of the dosage and the therapeutic time-windows. Further mechanistic investigations revealed that the therapeutic action of GCM was not a result of inhibition of acetaminophen metabolic activation or associated with Nrf2. Instead, the protective effect of GCM appeared to be predominantly dependent on sustained activation of autophagy, which attenuated acetaminophen-induced mitochondrial oxidative stress and JNK activation. CONCLUSIONS AND IMPLICATIONS Collectively, our results indicate that GCM alleviated acetaminophen-induced oxidative stress through activating autophagy, thereby protecting against AILI. Our findings suggest that GCM has potential as a novel therapeutic agent for treating AILI.
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Affiliation(s)
- Mingzhu Yan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Key Laboratory for Food Non-thermal Processing, National Engineering Research Centre for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Linhu Ye
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Key Laboratory for Food Non-thermal Processing, National Engineering Research Centre for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Shutao Yin
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Key Laboratory for Food Non-thermal Processing, National Engineering Research Centre for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Xiaotong Lu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Key Laboratory for Food Non-thermal Processing, National Engineering Research Centre for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Xiaoyi Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Key Laboratory for Food Non-thermal Processing, National Engineering Research Centre for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Shangyun Lu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Key Laboratory for Food Non-thermal Processing, National Engineering Research Centre for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Jinling Cui
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Key Laboratory for Food Non-thermal Processing, National Engineering Research Centre for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Lihong Fan
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Neil Kaplowitz
- USC Research Center for Liver Disease, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Hongbo Hu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Key Laboratory for Food Non-thermal Processing, National Engineering Research Centre for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
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Prestigiacomo V, Suter-Dick L. Nrf2 protects stellate cells from Smad-dependent cell activation. PLoS One 2018; 13:e0201044. [PMID: 30028880 PMCID: PMC6054401 DOI: 10.1371/journal.pone.0201044] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 07/06/2018] [Indexed: 12/21/2022] Open
Abstract
Hepatic stellate cells (HSC) orchestrate the deposition of extracellular matrix (ECM) and are the primary effector of liver fibrosis. Several factors, including TGF-β1, PDGF and oxidative stress, have been shown to trigger HSC activation. However, the involvement of cellular defence mechanisms, such as the activation of antioxidant response by Nrf2/Keap1 in the modulation of HSC activation is not known. The aim of this work was to elucidate the role of Nrf2 pathway in HSC trans-differentiation involved in the development of fibrosis. To this end, we repressed Nrf2 and Keap1 expression in HSC with specific siRNAs. We then assessed activation markers, as well as proliferation and migration, in both primary and immortalised human HSCs exposed to Smad inhibitors (SB-431542 hydrate and SB-525334), TGF-β1 and/or PDGF. Our results indicate that knocking down Nrf2 induces HSC activation, as shown by an increase in αSMA-positive cells and by gene expression induction of ECM components (collagens and fibronectin). HSC with reduced Nrf2-levels also showed an increase in migration and a decrease in proliferation. We could also demonstrate that the activation of Nrf2-deficient HSC involves the TGF-β1/Smad pathway, as the activation was successfully inhibited with the two tested Smad inhibitors. Moreover, TGF-β1 elicited a stronger induction of HSC activation markers in Nrf2 deficient cells than in wild type cells. Thus, our data suggest that Nrf2 limits HSCs activation, through the inhibition of the TGF-β1/Smad pathway in HSCs.
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Affiliation(s)
- Vincenzo Prestigiacomo
- University of Applied Sciences Northwestern Switzerland, School of Life Sciences, Muttenz, Switzerland
- University of Basel, Department of Pharmaceutical Sciences, Basel, Switzerland
- * E-mail:
| | - Laura Suter-Dick
- University of Applied Sciences Northwestern Switzerland, School of Life Sciences, Muttenz, Switzerland
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Ning C, Gao X, Wang C, Kong Y, Liu Z, Sun H, Sun P, Huo X, Ma X, Meng Q, Liu K. Ginsenoside Rg1 protects against acetaminophen-induced liver injury via activating Nrf2 signaling pathway in vivo and in vitro. Regul Toxicol Pharmacol 2018; 98:58-68. [PMID: 30030101 DOI: 10.1016/j.yrtph.2018.07.012] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 06/25/2018] [Accepted: 07/16/2018] [Indexed: 12/11/2022]
Abstract
Acetaminophen (APAP) is a worldwide used drug for treating fever and pain. However, APAP overdose is the leading cause of drug-induced liver injury. The purpose of the current study is to evaluate the hepatoprotective effect of ginsenoside Rg1 (Rg1), the main pharmacologically active compounds of Panax ginseng, against APAP-induced acute liver injury, and further to elucidate the involvement of Nrf2 signaling pathway by in vivo and in vitro experiments. Male C57BL/6 mice were treated with Rg1 for 3 days before injection of APAP. Serum and liver tissue samples were collected 6 h later. The results indicated that Rg1 significantly attenuated APAP-induced hepatotoxicity and oxidative stress in a dose-dependent manner. Rg1 effectively enhanced antioxidant and detoxification capacity, which is largely dependent on up-regulating Nrf2 nuclear translocation, reducing Keap1 protein expression and up-regulating Nrf2 target genes including GCLC, GCLM, HO-1, NQO1, Ugt1a1, Ugt1a6, Ugt2b1, Sult2a1, Mrp2, Mrp3 and Mrp4. Furthermore, Rg1 repressed the activities of Cyp2e1, Cyp3a11, Cyp1a2, which are important enzymes in the formation of APAP toxic metabolite N-acetyl-p-benzoquinone imine. However, the changes in transporters and enzymes, as well as ameliorative liver histology induced by Rg1 were abrogated by Nrf2 antagonist all-transretinoic acid in vivo and Nrf2 siRNA in vitro. In conclusion, Rg1 produced hepatoprotective effects against APAP-induced acute liver injury via Nrf2 signaling pathway. Rg1 might be an effective approach for the prevention against acute liver injury.
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Affiliation(s)
- Chenqing Ning
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Xiaoguang Gao
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Changyuan Wang
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, 116044, China; Key Laboratory of Pharmacokinetics and Transport of Liaoning Province, Dalian Medical University, Dalian, 116044, China
| | - Yulong Kong
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, 116044, China
| | - Zhihao Liu
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, 116044, China; Key Laboratory of Pharmacokinetics and Transport of Liaoning Province, Dalian Medical University, Dalian, 116044, China
| | - Huijun Sun
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, 116044, China; Key Laboratory of Pharmacokinetics and Transport of Liaoning Province, Dalian Medical University, Dalian, 116044, China
| | - Pengyuan Sun
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, 116044, China; Key Laboratory of Pharmacokinetics and Transport of Liaoning Province, Dalian Medical University, Dalian, 116044, China
| | - Xiaokui Huo
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, 116044, China; Key Laboratory of Pharmacokinetics and Transport of Liaoning Province, Dalian Medical University, Dalian, 116044, China
| | - Xiaodong Ma
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, 116044, China; Key Laboratory of Pharmacokinetics and Transport of Liaoning Province, Dalian Medical University, Dalian, 116044, China
| | - Qiang Meng
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, 116044, China; Key Laboratory of Pharmacokinetics and Transport of Liaoning Province, Dalian Medical University, Dalian, 116044, China.
| | - Kexin Liu
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, 116044, China; Key Laboratory of Pharmacokinetics and Transport of Liaoning Province, Dalian Medical University, Dalian, 116044, China.
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Yan M, Huo Y, Yin S, Hu H. Mechanisms of acetaminophen-induced liver injury and its implications for therapeutic interventions. Redox Biol 2018; 17:274-283. [PMID: 29753208 PMCID: PMC6006912 DOI: 10.1016/j.redox.2018.04.019] [Citation(s) in RCA: 346] [Impact Index Per Article: 57.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 04/18/2018] [Accepted: 04/18/2018] [Indexed: 02/06/2023] Open
Abstract
Acetaminophen (APAP) overdose is the leading cause of drug-induced acute liver failure in many developed countries. Mitochondrial oxidative stress is considered to be the predominant cellular event in APAP-induced liver injury. Accordingly, N-acetyl cysteine, a known scavenger of reactive oxygen species (ROS), is recommended as an effective clinical antidote against APAP-induced acute liver injury (AILI) when it is given at an early phase; however, the narrow therapeutic window limits its use. Hence, the development of novel therapeutic approaches that can offer broadly protective effects against AILI is clearly needed. To this end, it is necessary to better understand the mechanisms of APAP hepatotoxicity. Up to now, in addition to mitochondrial oxidative stress, many other cellular processes, including phase I/phase II metabolism, endoplasmic reticulum stress, autophagy, sterile inflammation, microcirculatory dysfunction, and liver regeneration, have been identified to be involved in the pathogenesis of AILI, providing new targets for developing more effective therapeutic interventions against APAP-induced liver injury. In this review, we summarize intracellular and extracellular events involved in APAP hepatotoxicity, along with emphatic discussions on the possible therapeutic approaches targeting these different cellular events.
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Affiliation(s)
- Mingzhu Yan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Key Laboratory for Food Non-thermal Processing, National Engineering Research Centre for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Yazhen Huo
- State Key Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China
| | - Shutao Yin
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Key Laboratory for Food Non-thermal Processing, National Engineering Research Centre for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Hongbo Hu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Key Laboratory for Food Non-thermal Processing, National Engineering Research Centre for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, China.
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50
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Shen Z, Wang Y, Su Z, Kou R, Xie K, Song F. Activation of p62-keap1-Nrf2 antioxidant pathway in the early stage of acetaminophen-induced acute liver injury in mice. Chem Biol Interact 2018; 282:22-28. [PMID: 29331651 DOI: 10.1016/j.cbi.2018.01.008] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 12/02/2017] [Accepted: 01/09/2018] [Indexed: 12/27/2022]
Abstract
Acetaminophen (APAP) overdose can cause severe liver failure even death. Nearly half of drug-induced liver injury is attributed to APAP in the US and many European countries. Oxidative stress has been validated as a critical event involved in APAP-induced liver failure. p62/SQSTM1, a selective autophagy adaptor protein, is reported to regulate Nrf2-ARE antioxidant pathway in response to oxidative stress. However, the exact role of p62-keap1-Nrf2 antioxidant pathway in APAP-induced hepatotoxicity remains unknown. In the present study, the dose-response and time-course model in C57/BL6 mice were established by intraperitoneal injection of APAP. The results of serum alanine/aspartate aminotransferases (ALT/AST) and histological examination demonstrated that APAP overdose resulted in the severe liver injury. In the meantime, the levels of p62, phospho-p62 and nuclear Nrf2 were significantly increased by APAP in mice liver, suggesting an activation of p62-keap1-Nrf2 pathway. In addition, the expression of GSTA1 mRNA was increased in a dose-dependent manner, while the mRNA levels of HO-1 and GCLC were decreased with the increase of APAP dose. Our further investigation found that expression of HO-1 and GCLC peaked at 3 h∼6 h, and then were decreased gradually. Taken together, these results indicated that p62-keap1-Nrf2 antioxidant pathway was primarily activated in the early stage of APAP hepatotoxicity, which might play a protective role in the process of APAP-induced acute liver injury.
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Affiliation(s)
- Zhenyu Shen
- Institute of Toxicology, Shandong University, 44 West Wenhua Road, Jinan, Shandong, 250012, PR China
| | - Yu Wang
- Institute of Toxicology, Shandong University, 44 West Wenhua Road, Jinan, Shandong, 250012, PR China
| | - Zhenhui Su
- Department of Pathology, Shandong Provincial Hospital, 324 Jingwu-Weiqi Road, Jinan, Shandong, 250021, PR China
| | - Ruirui Kou
- Institute of Toxicology, Shandong University, 44 West Wenhua Road, Jinan, Shandong, 250012, PR China
| | - Keqin Xie
- Institute of Toxicology, Shandong University, 44 West Wenhua Road, Jinan, Shandong, 250012, PR China
| | - Fuyong Song
- Institute of Toxicology, Shandong University, 44 West Wenhua Road, Jinan, Shandong, 250012, PR China.
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