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Buron N, Porceddu M, Loyant R, Martel C, Allard JA, Fromenty B, Borgne-Sanchez A. Drug-induced impairment of mitochondrial fatty acid oxidation and steatosis: assessment of causal relationship with 45 pharmaceuticals. Toxicol Sci 2024; 200:369-381. [PMID: 38676573 DOI: 10.1093/toxsci/kfae055] [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: 04/29/2024] Open
Abstract
Drug-induced liver injury (DILI) represents a major issue for pharmaceutical companies, being a potential cause of black-box warnings on marketed pharmaceuticals, or drug withdrawal from the market. Lipid accumulation in the liver also referred to as steatosis, may be secondary to impaired mitochondrial fatty acid oxidation (mtFAO). However, an overall causal relationship between drug-induced mtFAO inhibition and the occurrence of steatosis in patients has not yet been established with a high number of pharmaceuticals. Hence, 32 steatogenic and 13 nonsteatogenic drugs were tested for their ability to inhibit mtFAO in isolated mouse liver mitochondria. To this end, mitochondrial respiration was measured with palmitoyl-l-carnitine, palmitoyl-CoA + l-carnitine, or octanoyl- l-carnitine. This mtFAO tri-parametric assay was able to predict the occurrence of steatosis in patients with a sensitivity and positive predictive value above 88%. To get further information regarding the mechanism of drug-induced mtFAO impairment, mitochondrial respiration was also measured with malate/glutamate or succinate. Drugs such as diclofenac, methotrexate, and troglitazone could inhibit mtFAO secondary to an impairment of the mitochondrial respiratory chain, whereas dexamethasone, olanzapine, and zidovudine appeared to impair mtFAO directly. Mitochondrial swelling, transmembrane potential, and production of reactive oxygen species were also assessed for all compounds. Only the steatogenic drugs amiodarone, ketoconazole, lovastatin, and toremifene altered all these 3 mitochondrial parameters. In conclusion, our tri-parametric mtFAO assay could be useful in predicting the occurrence of steatosis in patients. The combination of this assay with other mitochondrial parameters could also help to better understand the mechanism of drug-induced mtFAO inhibition.
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Affiliation(s)
- Nelly Buron
- MITOLOGICS S.A.S., Faculté de Médecine, Créteil 94000, France
| | | | - Roxane Loyant
- MITOLOGICS S.A.S., Faculté de Médecine, Créteil 94000, France
| | - Cécile Martel
- MITOLOGICS S.A.S., Faculté de Médecine, Créteil 94000, France
| | - Julien A Allard
- INSERM, INRAE, Univ Rennes, Institut NUMECAN, UMR_S1317, Rennes 35000, France
| | - Bernard Fromenty
- INSERM, INRAE, Univ Rennes, Institut NUMECAN, UMR_S1317, Rennes 35000, France
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Zhou Y, Li M, Cao Y, Chang W, Jia H, Wang L, Xu H, Wang Y, Liu P, Chen WD. Farnesoid X Receptor: Effective alleviation of rifampicin -induced liver injury. Int Immunopharmacol 2024; 139:112799. [PMID: 39068755 DOI: 10.1016/j.intimp.2024.112799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Revised: 06/25/2024] [Accepted: 07/23/2024] [Indexed: 07/30/2024]
Abstract
Antituberculosis drugs induce pharmacologic cholestatic liver injury with long-term administration. Liver injury resulting from rifampicin is potentially related to the bile acid nuclear receptor Farnesoid X Receptor (FXR). To investigate this, cholestasis was induced in both wild-type (C57BL/6N) mice and FXR knockout (FXR-null) mice through administration of rifampicin (200 mg/kg) via gavage for 7 consecutive days. Compared with C57BL/6N mice, FXR-null mice exhibited more severe liver injury after rifampicin administration, characterized by enlarged liver size, elevated transaminases, and increased inflammation. Moreover, under rifampicin treatment, FXR knockout impairs lipid secretion and exacerbates hepatic steatosis. Significantly, the expression of metabolism molecules BSEP increased, while NTCP and CYP7A1 decreased following rifampicin administration in C57BL/6N mice, whereas these changes were absent in FXR knockout mice. Furthermore, rifampicin treatment in both C57BL/6N and FXR-null mice was associated with elevated c-Jun N-terminal kinase phosphorylation (p-JNK) levels, with a more pronounced elevation in FXR-null mice. Our study suggests that rifampicin-induced liver injury, steatosis, and cholestasis are associated with FXR dysfunction and altered bile acid metabolism, and that the JNK signaling pathway is partially implicated in this injury. Based on these results, we propose that FXR might be a novel therapeutic target for addressing drug-induced liver injury.
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Affiliation(s)
- Yun Zhou
- Key Laboratory of Receptors-Mediated Gene Regulation, School of Basic Medical Sciences, Henan University, Henan, PR China; Hebi Key Laboratory of Liver Disease, Hebi Key Laboratory of Cardiovascular Diseases, Hebi Key Laboratory of Energy Metabolism, People's Hospital of Hebi, Henan University, Henan, PR China
| | - Meijie Li
- Key Laboratory of Receptors-Mediated Gene Regulation, School of Basic Medical Sciences, Henan University, Henan, PR China
| | - Yutong Cao
- Key Laboratory of Receptors-Mediated Gene Regulation, School of Basic Medical Sciences, Henan University, Henan, PR China
| | - Weihua Chang
- Hebi Key Laboratory of Liver Disease, Hebi Key Laboratory of Cardiovascular Diseases, Hebi Key Laboratory of Energy Metabolism, People's Hospital of Hebi, Henan University, Henan, PR China
| | - Hao Jia
- Key Laboratory of Receptors-Mediated Gene Regulation, School of Basic Medical Sciences, Henan University, Henan, PR China
| | - Longmei Wang
- Key Laboratory of Receptors-Mediated Gene Regulation, School of Basic Medical Sciences, Henan University, Henan, PR China
| | - Huimin Xu
- Key Laboratory of Receptors-Mediated Gene Regulation, School of Basic Medical Sciences, Henan University, Henan, PR China
| | - Yandong Wang
- State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, PR China
| | - Peng Liu
- Hebi Key Laboratory of Liver Disease, Hebi Key Laboratory of Cardiovascular Diseases, Hebi Key Laboratory of Energy Metabolism, People's Hospital of Hebi, Henan University, Henan, PR China
| | - Wei-Dong Chen
- Key Laboratory of Receptors-Mediated Gene Regulation, School of Basic Medical Sciences, Henan University, Henan, PR China; Key Laboratory of Receptors-Mediated Gene Regulation and Drug Discovery, School of Basic Medical Science, Inner Mongolia Medical University, Hohhot, Inner Mongolia, PR China.
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3
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Fu H, Zhao S, Song S, Xie Q. Gut microbiota causally affects drug-induced liver injury via plasma metabolites: a Mendelian randomization study. Front Microbiol 2024; 15:1432049. [PMID: 39091300 PMCID: PMC11291454 DOI: 10.3389/fmicb.2024.1432049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Accepted: 06/28/2024] [Indexed: 08/04/2024] Open
Abstract
Background The gut microbiota and plasma metabolites play important roles in the progression of drug-induced liver injury (DILI). We investigated the causal associations between the gut microbiota, plasma metabolome, and DILI. Methods The summary data for gut microbiota (n = 18,340), plasma metabolome (n = 8,299), and DILI (n = 366,838) were obtained from the large genome-wide association studies. A two-sample Mendelian randomization was performed to explore the associations between the gut microbiota, plasma metabolome, and DILI. Additionally, a two-step Mendelian randomization was performed to explore the potential metabolites. Results Five taxa were causally associated with DILI, including Oscillospira [odds ratio (OR) = 2.257, 95% confidence interval (CI) = 1.110-4.590], Blautia (OR = 2.311, 95% CI = 1.010-5.288), Roseburia (OR = 2.869, 95% CI = 1.429-5.761), Fusicatenibacter (OR = 1.995, 95% CI = 1.024-3.890), and Prevotella 7 (OR = 1.549, 95% CI = 1.065-2.253). Moreover, 53 metabolites were causally associated with DILI. After mediation analysis, four taxa were found to affect DILI through five mediation metabolites. N6-carbamoylthreonyladenosine mediated the effect of Blautia on DILI. Acetylcarnitine mediated the effect of Fusicatenibacter on DILI. In addition, 4-cholesten-3-one mediated the effect of Prevotella 7 on DILI. Furthermore, 5,6-dihydrothymine levels and the salicylate-to-citrate ratio mediated the effect of Oscillospira on DILI. Conclusion We found that the gut microbiota could affect DILI through plasma metabolites, which could serve as potential biomarkers for risk stratification and elucidate underlying mechanisms for further investigation of DILI.
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Affiliation(s)
- Haoshuang Fu
- Department of Infectious Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shuang Zhao
- Department of Critical Liver Diseases, Liver Research Center, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Diseases, Beijing, China
| | - Shuying Song
- Department of Infectious Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qing Xie
- Department of Infectious Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Shang H, Liu X, Pan J, Cheng H, Ma Z, Xiao C, Gao Y. Exploring the mechanism and phytochemicals in Psoraleae Fructus-induced hepatotoxicity based on RNA-seq, in vitro screening and molecular docking. Sci Rep 2024; 14:1696. [PMID: 38242895 PMCID: PMC10799058 DOI: 10.1038/s41598-023-50454-0] [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: 10/31/2023] [Accepted: 12/20/2023] [Indexed: 01/21/2024] Open
Abstract
Psoraleae Fructus (PF) is a widely-used herb with diverse pharmacological activities, while its related hepatic injuries have aroused public concerns. In this work, a systematic approach based on RNA sequencing (RNA-seq), high-content screening (HCS) and molecular docking was developed to investigate the potential mechanism and identify major phytochemicals contributed to PF-induced hepatotoxicity. Animal experiments proved oral administration of PF water extracts disturbed lipid metabolism and promoted hepatic injuries by suppressing fatty acid and cholesterol catabolism. RNA-seq combined with KEGG enrichment analysis identified mitochondrial oxidative phosphorylation (OXPHOS) as the potential key pathway. Further experiments validated PF caused mitochondrial structure damage, mtDNA depletion and inhibited expressions of genes engaged in OXPHOS. By detecting mitochondrial membrane potential and mitochondrial superoxide, HCS identified bavachin, isobavachalcone, bakuchiol and psoralidin as most potent mitotoxic compounds in PF. Moreover, molecular docking confirmed the potential binding patterns and strong binding affinity of the critical compounds with mitochondrial respiratory complex. This study unveiled the underlying mechanism and phytochemicals in PF-induced liver injuries from the view of mitochondrial dysfunction.
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Affiliation(s)
- Huiying Shang
- Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, People's Republic of China
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China
| | - Xian Liu
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China.
| | - Jinchao Pan
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China
- Faculty of Environment and Life Science, Beijing University of Technology, Beijing, 100124, People's Republic of China
| | - Hongbo Cheng
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, People's Republic of China
| | - Zengchun Ma
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China
| | - Chengrong Xiao
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China
| | - Yue Gao
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China.
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Zhao Y, Zhou Y, Wang D, Huang Z, Xiao X, Zheng Q, Li S, Long D, Feng L. Mitochondrial Dysfunction in Metabolic Dysfunction Fatty Liver Disease (MAFLD). Int J Mol Sci 2023; 24:17514. [PMID: 38139341 PMCID: PMC10743953 DOI: 10.3390/ijms242417514] [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: 10/07/2023] [Revised: 12/06/2023] [Accepted: 12/08/2023] [Indexed: 12/24/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) has become an increasingly common disease in Western countries and has become the major cause of liver cirrhosis or hepatocellular carcinoma (HCC) in addition to viral hepatitis in recent decades. Furthermore, studies have shown that NAFLD is inextricably linked to the development of extrahepatic diseases. However, there is currently no effective treatment to cure NAFLD. In addition, in 2020, NAFLD was renamed metabolic dysfunction fatty liver disease (MAFLD) to show that its pathogenesis is closely related to metabolic disorders. Recent studies have reported that the development of MAFLD is inextricably associated with mitochondrial dysfunction in hepatocytes and hepatic stellate cells (HSCs). Simultaneously, mitochondrial stress caused by structural and functional disorders stimulates the occurrence and accumulation of fat and lipo-toxicity in hepatocytes and HSCs. In addition, the interaction between mitochondrial dysfunction and the liver-gut axis has also become a new point during the development of MAFLD. In this review, we summarize the effects of several potential treatment strategies for MAFLD, including antioxidants, reagents, and intestinal microorganisms and metabolites.
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Affiliation(s)
- Ying Zhao
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, China; (Y.Z.); (Y.Z.); (D.W.); (Z.H.); (X.X.); (Q.Z.); (S.L.); (D.L.)
- Regeneration Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yanni Zhou
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, China; (Y.Z.); (Y.Z.); (D.W.); (Z.H.); (X.X.); (Q.Z.); (S.L.); (D.L.)
- Regeneration Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Dan Wang
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, China; (Y.Z.); (Y.Z.); (D.W.); (Z.H.); (X.X.); (Q.Z.); (S.L.); (D.L.)
- Regeneration Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Ziwei Huang
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, China; (Y.Z.); (Y.Z.); (D.W.); (Z.H.); (X.X.); (Q.Z.); (S.L.); (D.L.)
- Regeneration Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xiong Xiao
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, China; (Y.Z.); (Y.Z.); (D.W.); (Z.H.); (X.X.); (Q.Z.); (S.L.); (D.L.)
- Regeneration Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Qing Zheng
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, China; (Y.Z.); (Y.Z.); (D.W.); (Z.H.); (X.X.); (Q.Z.); (S.L.); (D.L.)
- Regeneration Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Shengfu Li
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, China; (Y.Z.); (Y.Z.); (D.W.); (Z.H.); (X.X.); (Q.Z.); (S.L.); (D.L.)
- NHC Key Laboratory of Transplant Engineering and Immunology, West China Hospital Sichuan University, Chengdu 610041, China
| | - Dan Long
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, China; (Y.Z.); (Y.Z.); (D.W.); (Z.H.); (X.X.); (Q.Z.); (S.L.); (D.L.)
- NHC Key Laboratory of Transplant Engineering and Immunology, West China Hospital Sichuan University, Chengdu 610041, China
| | - Li Feng
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, China; (Y.Z.); (Y.Z.); (D.W.); (Z.H.); (X.X.); (Q.Z.); (S.L.); (D.L.)
- Regeneration Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041, China
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Sun M, Chen P, Xiao K, Zhu X, Zhao Z, Guo C, He X, Shi T, Zhong Q, Jia Y, Tao Y, Li M, Leong KW, Shao D. Circulating Cell-Free DNAs as a Biomarker and Therapeutic Target for Acetaminophen-Induced Liver Injury. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2206789. [PMID: 37035952 PMCID: PMC10238175 DOI: 10.1002/advs.202206789] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 01/08/2023] [Indexed: 06/04/2023]
Abstract
Acetaminophen (APAP) overdose is a leading cause of drug-induced liver injury and acute liver failure, while the detection, prognosis prediction, and therapy for APAP-induced liver injury (AILI) remain improved. Here, it is determined that the temporal pattern of circulating cell-free DNA (cfDNA) is strongly associated with damage and inflammation parameters in AILI. CfDNA is comparable to alanine aminotransferase (ALT) in predicting mortality and outperformed ALT when combined with ALT in AILI. The depletion of cfDNA or neutrophils alleviates liver damage, while the addition of cfDNA or adoptive transfer of neutrophils exacerbates the damage. The combination of DNase I and N-acetylcysteine attenuates AILI significantly. This study establishes that cfDNA is a mechanistic biomarker to predict mortality in AILI mice. The combination of scavenging cfDNA and reducing oxidative damage provides a promising treatment for AILI.
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Affiliation(s)
- Madi Sun
- School of Biomedical Sciences and EngineeringSouth China University of TechnologyGuangzhou International CampusGuangzhouGuangdong510630China
- National Engineering Research Center for Tissue Restoration and ReconstructionSouth China University of TechnologyGuangzhou International CampusGuangzhouGuangdong510630China
| | - Peiyu Chen
- School of Biomedical Sciences and EngineeringSouth China University of TechnologyGuangzhou International CampusGuangzhouGuangdong510630China
- National Engineering Research Center for Tissue Restoration and ReconstructionSouth China University of TechnologyGuangzhou International CampusGuangzhouGuangdong510630China
| | - Kai Xiao
- National Engineering Research Center for Tissue Restoration and ReconstructionSouth China University of TechnologyGuangzhou International CampusGuangzhouGuangdong510630China
- School of MedicineSouth China University of TechnologyGuangzhou International CampusGuangzhouGuangdong510006China
| | - Xiang Zhu
- Laboratory of Biomaterials and Translational MedicineThe Third Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510006China
| | - Zhibin Zhao
- School of MedicineSouth China University of TechnologyGuangzhou International CampusGuangzhouGuangdong510006China
| | - Chenyang Guo
- School of Biomedical Sciences and EngineeringSouth China University of TechnologyGuangzhou International CampusGuangzhouGuangdong510630China
- National Engineering Research Center for Tissue Restoration and ReconstructionSouth China University of TechnologyGuangzhou International CampusGuangzhouGuangdong510630China
| | - Xuan He
- School of Biomedical Sciences and EngineeringSouth China University of TechnologyGuangzhou International CampusGuangzhouGuangdong510630China
- National Engineering Research Center for Tissue Restoration and ReconstructionSouth China University of TechnologyGuangzhou International CampusGuangzhouGuangdong510630China
| | - Tongfei Shi
- School of Biomedical Sciences and EngineeringSouth China University of TechnologyGuangzhou International CampusGuangzhouGuangdong510630China
- National Engineering Research Center for Tissue Restoration and ReconstructionSouth China University of TechnologyGuangzhou International CampusGuangzhouGuangdong510630China
| | - Qingguo Zhong
- Laboratory of Biomaterials and Translational MedicineThe Third Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510006China
| | - Yong Jia
- School of NursingJilin UniversityChangchunJilin130021China
| | - Yu Tao
- Laboratory of Biomaterials and Translational MedicineThe Third Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510006China
| | - Mingqiang Li
- Laboratory of Biomaterials and Translational MedicineThe Third Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510006China
| | - Kam W. Leong
- Department of Systems BiologyColumbia UniversityNew YorkNY10032USA
| | - Dan Shao
- School of Biomedical Sciences and EngineeringSouth China University of TechnologyGuangzhou International CampusGuangzhouGuangdong510630China
- National Engineering Research Center for Tissue Restoration and ReconstructionSouth China University of TechnologyGuangzhou International CampusGuangzhouGuangdong510630China
- Guangdong Provincial Key Laboratory of Biomedical EngineeringKey Laboratory of Biomedical Materials and Engineering of the Ministry of EducationSouth China University of TechnologyGuangzhouGuangdong510006China
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Abstract
Mitochondria are critical organelles responsible for the maintenance of cellular energy homeostasis. Thus, their dysfunction can have severe consequences in cells responsible for energy-intensive metabolic function, such as hepatocytes. Extensive research over the last decades have identified compromised mitochondrial function as a central feature in the pathophysiology of liver injury induced by an acetaminophen (APAP) overdose, the most common cause of acute liver failure in the United States. While hepatocyte mitochondrial oxidative and nitrosative stress coupled with induction of the mitochondrial permeability transition are well recognized after an APAP overdose, recent studies have revealed additional details about the organelle's role in APAP pathophysiology. This concise review highlights these new advances, which establish the central role of the mitochondria in APAP pathophysiology, and places them in the context of earlier information in the literature. Adaptive alterations in mitochondrial morphology as well as the role of cellular iron in mitochondrial dysfunction and the organelle's importance in liver recovery after APAP-induced injury will be discussed.
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Singh S, Kumar PVSNK, Kumar JP, Tomo S, Yadav D, Sharma P, Rao M, Banerjee M. Genetic and Epigenetic Basis of Drug-Induced Liver Injury. Semin Liver Dis 2023; 43:163-175. [PMID: 37225145 DOI: 10.1055/a-2097-0531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Drug-induced liver injury (DILI) is a rare but severe adverse drug reaction seen in pharmacotherapy and a major cause of postmarketing drug withdrawals. Advances in genome-wide studies indicate that genetic and epigenetic diversity can lead to inter-individual differences in drug response and toxicity. It is necessary to identify how the genetic variations, in the presence of environmental factors, can contribute to development and progression of DILI. Studies on microRNA, histone modification, DNA methylation, and single nucleotide polymorphisms related to DILI were retrieved from databases and were analyzed for the current research and updated to develop this narrative review. We have compiled some of the major genetic, epigenetic, and pharmacogenetic factors leading to DILI. Many validated genetic risk factors of DILI, such as variants of drug-metabolizing enzymes, HLA alleles, and some transporters were identified. In conclusion, these studies provide useful information in risk alleles identification and on implementation of personalized medicine.
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Affiliation(s)
- Snigdha Singh
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - P V S N Kiran Kumar
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - J Pradeep Kumar
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - Sojit Tomo
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - Dharamveer Yadav
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - Praveen Sharma
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - Mahadev Rao
- Department of Pharmacy Practice, Manipal College of Pharmaceutical Sciences, Manipal, Karnataka, India
| | - Mithu Banerjee
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
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Ma L, Chen C, Hai S, Wang C, Rahman SU, Huang W, Zhao C, Feng S, Wang X. Inhibition of Mitochondrial Fission Alleviates Zearalenone-Induced Mitochondria-Associated Endoplasmic Reticulum Membrane Dysfunction in Piglet Sertoli Cells. Toxins (Basel) 2023; 15:toxins15040253. [PMID: 37104191 PMCID: PMC10146415 DOI: 10.3390/toxins15040253] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 03/26/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
This study aimed to investigate the effects of zearalenone (ZEA) on piglet Sertoli cell (SC)-mitochondria-associated endoplasmic reticulum (ER) membranes (MAMs) based on mitochondrial fission, and to explore the molecular mechanism of ZEA-induced cell damage. After the SCs were exposed to the ZEA, the cell viability decreased, the Ca2+ levels increased, and the MAM showed structural damage. Moreover, glucose-regulated protein 75 (Grp75) and mitochondrial Rho-GTPase 1 (Miro1) were upregulated at the mRNA and protein levels. However, phosphofurin acidic cluster protein 2 (PACS2), mitofusin2 (Mfn2), voltage-dependent anion channel 1 (VDAC1), and inositol 1,4,5-trisphosphate receptor (IP3R) were downregulated at the mRNA and protein levels. A pretreatment with mitochondrial division inhibitor 1 (Mdivi-1) decreased the ZEA-induced cytotoxicity toward the SCs. In the ZEA + Mdivi-1 group, the cell viability increased, the Ca2+ levels decreased, the MAM damage was repaired, and the expression levels of Grp75 and Miro1 decreased, while those of PACS2, Mfn2, VDAC1, and IP3R increased compared with those in the ZEA-only group. Thus, ZEA causes MAM dysfunction in piglet SCs through mitochondrial fission, and mitochondria can regulate the ER via MAM.
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Affiliation(s)
- Li Ma
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Chuangjiang Chen
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Sirao Hai
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Chenlong Wang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Sajid Ur Rahman
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
- Department of Food Science and Engineering, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Wanyue Huang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Chang Zhao
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Shibin Feng
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Xichun Wang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
- Anhui Province Engineering Laboratory for Animal Food Quality and Bio-Safety, Hefei 230036, China
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Abstract
The epidemic of obesity, type 2 diabetes and nonalcoholic liver disease (NAFLD) favors drug consumption, which augments the risk of adverse events including liver injury. For more than 30 years, a series of experimental and clinical investigations reported or suggested that the common pain reliever acetaminophen (APAP) could be more hepatotoxic in obesity and related metabolic diseases, at least after an overdose. Nonetheless, several investigations did not reproduce these data. This discrepancy might come from the extent of obesity and steatosis, accumulation of specific lipid species, mitochondrial dysfunction and diabetes-related parameters such as ketonemia and hyperglycemia. Among these factors, some of them seem pivotal for the induction of cytochrome P450 2E1 (CYP2E1), which favors the conversion of APAP to the toxic metabolite N-acetyl-p-benzoquinone imine (NAPQI). In contrast, other factors might explain why obesity and NAFLD are not always associated with more frequent or more severe APAP-induced acute hepatotoxicity, such as increased volume of distribution in the body, higher hepatic glucuronidation and reduced CYP3A4 activity. Accordingly, the occurrence and outcome of APAP-induced liver injury in an obese individual with NAFLD would depend on a delicate balance between metabolic factors that augment the generation of NAPQI and others that can mitigate hepatotoxicity.
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Fromenty B, Roden M. Mitochondrial alterations in fatty liver diseases. J Hepatol 2023; 78:415-429. [PMID: 36209983 DOI: 10.1016/j.jhep.2022.09.020] [Citation(s) in RCA: 72] [Impact Index Per Article: 72.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 08/29/2022] [Accepted: 09/17/2022] [Indexed: 11/07/2022]
Abstract
Fatty liver diseases can result from common metabolic diseases, as well as from xenobiotic exposure and excessive alcohol use, all of which have been shown to exert toxic effects on hepatic mitochondrial functionality and dynamics. Invasive or complex methodology limits large-scale investigations of mitochondria in human livers. Nevertheless, abnormal mitochondrial function, such as impaired fatty acid oxidation and oxidative phosphorylation, drives oxidative stress and has been identified as an important feature of human steatohepatitis. On the other hand, hepatic mitochondria can be flexible and adapt to the ambient metabolic condition to prevent triglyceride and lipotoxin accumulation in obesity. Experience from studies on xenobiotics has provided important insights into the regulation of hepatic mitochondria. Increasing awareness of the joint presence of metabolic disease-related (lipotoxic) and alcohol-related liver diseases further highlights the need to better understand their mutual interaction and potentiation in disease progression. Recent clinical studies have assessed the effects of diets or bariatric surgery on hepatic mitochondria, which are also evolving as an interesting therapeutic target in non-alcoholic fatty liver disease. This review summarises the current knowledge on hepatic mitochondria with a focus on fatty liver diseases linked to obesity, type 2 diabetes and xenobiotics.
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Affiliation(s)
- Bernard Fromenty
- INSERM, Univ Rennes, INRAE, Institut NUMECAN (Nutrition Metabolisms and Cancer) UMR_A 1341, UMR_S 1241, F-35000, Rennes, France
| | - Michael Roden
- Department of Endocrinology and Diabetology, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany; Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich-Heine University Düsseldorf, Düsseldorf, Germany; German Center for Diabetes Research, Partner Düsseldorf, München-Neuherberg, Germany.
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12
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Lin J, Li M, Mak W, Shi Y, Zhu X, Tang Z, He Q, Xiang X. Applications of In Silico Models to Predict Drug-Induced Liver Injury. TOXICS 2022; 10:788. [PMID: 36548621 PMCID: PMC9785299 DOI: 10.3390/toxics10120788] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/09/2022] [Accepted: 12/13/2022] [Indexed: 06/17/2023]
Abstract
Drug-induced liver injury (DILI) is a major cause of the withdrawal of pre-marketed drugs, typically attributed to oxidative stress, mitochondrial damage, disrupted bile acid homeostasis, and innate immune-related inflammation. DILI can be divided into intrinsic and idiosyncratic DILI with cholestatic liver injury as an important manifestation. The diagnosis of DILI remains a challenge today and relies on clinical judgment and knowledge of the insulting agent. Early prediction of hepatotoxicity is an important but still unfulfilled component of drug development. In response, in silico modeling has shown good potential to fill the missing puzzle. Computer algorithms, with machine learning and artificial intelligence as a representative, can be established to initiate a reaction on the given condition to predict DILI. DILIsym is a mechanistic approach that integrates physiologically based pharmacokinetic modeling with the mechanisms of hepatoxicity and has gained increasing popularity for DILI prediction. This article reviews existing in silico approaches utilized to predict DILI risks in clinical medication and provides an overview of the underlying principles and related practical applications.
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Affiliation(s)
| | | | | | | | | | | | - Qingfeng He
- Correspondence: (Q.H.); (X.X.); Tel.: +86-21-51980024 (X.X.)
| | - Xiaoqiang Xiang
- Correspondence: (Q.H.); (X.X.); Tel.: +86-21-51980024 (X.X.)
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13
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Nsengimana B, Okpara ES, Hou W, Yan C, Han S. Involvement of oxidative species in cyclosporine-mediated cholestasis. Front Pharmacol 2022; 13:1004844. [DOI: 10.3389/fphar.2022.1004844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 10/24/2022] [Indexed: 11/10/2022] Open
Abstract
Cyclosporine is an established medication for the prevention of transplant rejection. However, adverse consequences such as nephrotoxicity, hepatotoxicity, and cholestasis have been associated with prolonged usage. In cyclosporine-induced obstructive and chronic cholestasis, for example, the overproduction of oxidative stress is significantly increased. Additionally, cyclosporine exerts adverse effects on liver function and redox balance responses in treated rats, as evidenced by its increasing levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT), and bilirubin while also decreasing the levels of glutathione and NADPH. Cyclosporine binds to cyclophilin to produce its therapeutic effects, and the resulting complex inhibits calcineurin, causing calcium to accumulate in the mitochondria. Accumulating calcium with concomitant mitochondrial abnormalities induces oxidative stress, perturbation in ATP balance, and failure of calcium pumps. Also, cyclosporine-induced phagocyte oxidative stress generation via the interaction of phagocytes with Toll-like receptor-4 has been studied. The adverse effect of cyclosporine may be amplified by the release of mitochondrial DNA, mediated by oxidative stress-induced mitochondrial damage. Given the uncertainty surrounding the mechanism of cyclosporine-induced oxidative stress in cholestasis, we aim to illuminate the involvement of oxidative stress in cyclosporine-mediated cholestasis and also explore possible strategic interventions that may be applied in the future.
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14
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Bao S, Zhang C, Luo S, Jiang L, Li Q, Kong Y, Cao J. HMGA2 mediates Cr (VI)-induced metabolic reprogramming through binding to mitochondrial D-Loop region. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 244:114085. [PMID: 36116352 DOI: 10.1016/j.ecoenv.2022.114085] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 09/07/2022] [Accepted: 09/13/2022] [Indexed: 06/15/2023]
Abstract
Hexavalent chromium [Cr (VI)] exists environmentally and occupationally. It has been shown to pose a carcinogenic hazard in certain occupations. This study was to investigate the role of high mobility group A2 (HMGA2) in Cr (VI)-induced metabolism reprogramming from oxidative phosphorylation (OXPHOS) to glycolysis in A549 and HELF cells. First, knockdown of HMGA2 by siHMGA2 significantly attenuated Cr (VI)-reduced expression of OXPHOS-related proteins (COX IV and ND1) and mitochondrial mass, indicating that HMGA2 was involved in Cr (VI)-reduced OXPHOS. Overexpression of HMGA2 by transfection of HMGA2-DNA plasmids reduced the expression of COX IV, ND1 and mitochondrial mass, suggesting the negative role of HMGA2 in OXPHOS. Secondly, both CCCP, the inhibitor of mitochondrial function, and the ER stress inhibitor, 4-phenylbutyric acid (4-PBA), decreased the level of HMGA2, indicating that the interaction of mitochondrial dysfunction and ER stress resulted in Cr (VI)-induced HMGA2 expression. Further study demonstrated that ER stress/HMGA2 axis mediated the metabolism rewiring from OXPHOS to aerobic glycolysis. Notably, Cr (VI) induced the accumulation of HMGA2 proteins in mitochondria and ChIP assay demonstrated that HMGA2 proteins could bind to D-loop region of mitochondrial DNA (mtDNA), which provided the proof for HMGA2-modulating OXPHOS. Taken together, our results suggested that the interaction of mitochondria and ER stress-enhanced HMGA2 played an important role in Cr (VI)-induced metabolic reprogramming from OXPHOS to glycolysis by binding directly to D-loop region of mtDNA. This work informs on the potential mode of action for Cr (VI)-induced tumors and builds on growing evidence regarding the contribution of cellular metabolic disruption contributing to carcinogenicity.
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Affiliation(s)
- Shibo Bao
- Department of Occupational and Environmental Health, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian 116044, China
| | - Cong Zhang
- Department of Food Nutrition and Safety, Dalian Medical University, Dalian 116044, China
| | - Shengxiang Luo
- Department of Occupational and Environmental Health, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian 116044, China
| | - Liping Jiang
- Department of Occupational and Environmental Health, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian 116044, China
| | - Qiujuan Li
- Department of Occupational and Environmental Health, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian 116044, China
| | - Ying Kong
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian 116044, China
| | - Jun Cao
- Department of Occupational and Environmental Health, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian 116044, China.
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15
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Rodriguez-Diaz C, Taminiau B, García-García A, Cueto A, Robles-Díaz M, Ortega-Alonso A, Martín-Reyes F, Daube G, Sanabria-Cabrera J, Jimenez-Perez M, Isabel Lucena M, Andrade RJ, García-Fuentes E, García-Cortes M. Microbiota diversity in nonalcoholic fatty liver disease and in drug-induced liver injury. Pharmacol Res 2022; 182:106348. [PMID: 35817360 DOI: 10.1016/j.phrs.2022.106348] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 07/06/2022] [Accepted: 07/06/2022] [Indexed: 10/17/2022]
Abstract
The gut microbiota could play a significant role in the progression of nonalcoholic fatty liver disease (NAFLD); however, its relevance in drug-induced liver injury (DILI) remains unexplored. Since the two hepatic disorders may share damage pathways, we analysed the metagenomic profile of the gut microbiota in NAFLD, with or without significant liver fibrosis, and in DILI, and we identified the main associated bacterial metabolic pathways. In the NAFLD group, we found a decrease in Alistipes, Barnesiella, Eisenbergiella, Flavonifractor, Fusicatenibacter, Gemminger, Intestinimonas, Oscillibacter, Parasutterella, Saccharoferementans and Subdoligranulum abundances compared with those in both the DILI and control groups. Additionally, we detected an increase in Enterobacter, Klebsiella, Sarcina and Turicibacter abundances in NAFLD, with significant liver fibrosis, compared with those in NAFLD with no/mild liver fibrosis. The DILI group exhibited a lower microbial bacterial richness than the control group, and lower abundances of Acetobacteroides, Blautia, Caloramator, Coprococcus, Flavobacterium, Lachnospira, Natronincola, Oscillospira, Pseudobutyrivibrio, Shuttleworthia, Themicanus and Turicibacter compared with those in the NAFLD and control groups. We found seven bacterial metabolic pathways that were impaired only in DILI, most of which were associated with metabolic biosynthesis. In the NAFLD group, most of the differences in the bacterial metabolic pathways found in relation to those in the DILI and control groups were related to fatty acid and lipid biosynthesis. In conclusion, we identified a distinct bacterial profile with specific bacterial metabolic pathways for each type of liver disorder studied. These differences can provide further insight into the physiopathology and development of NAFLD and DILI.
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Affiliation(s)
- Cristina Rodriguez-Diaz
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; UGC de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
| | - Bernard Taminiau
- Fundamental and Applied Research for Animals & Health (FARAH), Department of Food Microbiology, Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Alberto García-García
- UGC de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
| | - Alejandro Cueto
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; Servicio de Farmacologia Clinica, Hospital Universitario Virgen de la Victoria, Departamento de Farmacología, Facultad de Medicina, Universidad de Málaga, 29010 Málaga, Spain
| | - Mercedes Robles-Díaz
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; Departamento de Medicina, Facultad de Medicina, Universidad de Málaga, 29010 Málaga, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), 29010 Málaga, Spain
| | - Aida Ortega-Alonso
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; UGC de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
| | - Flores Martín-Reyes
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; UGC de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
| | - Georges Daube
- Fundamental and Applied Research for Animals & Health (FARAH), Department of Food Microbiology, Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium
| | - Judith Sanabria-Cabrera
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; Servicio de Farmacologia Clinica, Hospital Universitario Virgen de la Victoria, Departamento de Farmacología, Facultad de Medicina, Universidad de Málaga, 29010 Málaga, Spain; UICEC IBIMA, Plataforma SCReN (Spanish Clinical Research Network), Servicio de Farmacología Clínica, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, 29010 Málaga, Spain
| | - Miguel Jimenez-Perez
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; UGC de Enfermedades Digestivas, Hospital Regional Universitario, 29010 Málaga, Spain
| | - M Isabel Lucena
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; Servicio de Farmacologia Clinica, Hospital Universitario Virgen de la Victoria, Departamento de Farmacología, Facultad de Medicina, Universidad de Málaga, 29010 Málaga, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), 29010 Málaga, Spain; UICEC IBIMA, Plataforma SCReN (Spanish Clinical Research Network), Servicio de Farmacología Clínica, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, 29010 Málaga, Spain.
| | - Raúl J Andrade
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; UGC de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain; Departamento de Medicina, Facultad de Medicina, Universidad de Málaga, 29010 Málaga, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), 29010 Málaga, Spain
| | - Eduardo García-Fuentes
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; UGC de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), 29010 Málaga, Spain.
| | - Miren García-Cortes
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Málaga, Spain; UGC de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), 29010 Málaga, Spain
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16
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Suárez-Rivero JM, Pastor-Maldonado CJ, Povea-Cabello S, Álvarez-Córdoba M, Villalón-García I, Talaverón-Rey M, Suárez-Carrillo A, Munuera-Cabeza M, Reche-López D, Cilleros-Holgado P, Piñero-Perez R, Sánchez-Alcázar JA. UPR mt activation improves pathological alterations in cellular models of mitochondrial diseases. Orphanet J Rare Dis 2022; 17:204. [PMID: 35581596 PMCID: PMC9115953 DOI: 10.1186/s13023-022-02331-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 04/26/2022] [Indexed: 12/23/2022] Open
Abstract
Background Mitochondrial diseases represent one of the most common groups of genetic diseases. With a prevalence greater than 1 in 5000 adults, such diseases still lack effective treatment. Current therapies are purely palliative and, in most cases, insufficient. Novel approaches to compensate and, if possible, revert mitochondrial dysfunction must be developed. Results In this study, we tackled the issue using as a model fibroblasts from a patient bearing a mutation in the GFM1 gene, which is involved in mitochondrial protein synthesis. Mutant GFM1 fibroblasts could not survive in galactose restrictive medium for more than 3 days, making them the perfect screening platform to test several compounds. Tetracycline enabled mutant GFM1 fibroblasts survival under nutritional stress. Here we demonstrate that tetracycline upregulates the mitochondrial Unfolded Protein Response (UPRmt), a compensatory pathway regulating mitochondrial proteostasis. We additionally report that activation of UPRmt improves mutant GFM1 cellular bioenergetics and partially restores mitochondrial protein expression. Conclusions Overall, we provide compelling evidence to propose the activation of intrinsic cellular compensatory mechanisms as promising therapeutic strategy for mitochondrial diseases. Supplementary Information The online version contains supplementary material available at 10.1186/s13023-022-02331-8.
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Affiliation(s)
- Juan M Suárez-Rivero
- Centro Andaluz de Biología del Desarrollo (CABD), Consejo Superior de Investigaciones Científicas, Universidad Pablo de Olavide, Carretera de Utrera Km 1, 41013, Seville, Spain
| | - Carmen J Pastor-Maldonado
- Centro Andaluz de Biología del Desarrollo (CABD), Consejo Superior de Investigaciones Científicas, Universidad Pablo de Olavide, Carretera de Utrera Km 1, 41013, Seville, Spain
| | - Suleva Povea-Cabello
- Centro Andaluz de Biología del Desarrollo (CABD), Consejo Superior de Investigaciones Científicas, Universidad Pablo de Olavide, Carretera de Utrera Km 1, 41013, Seville, Spain
| | - Mónica Álvarez-Córdoba
- Centro Andaluz de Biología del Desarrollo (CABD), Consejo Superior de Investigaciones Científicas, Universidad Pablo de Olavide, Carretera de Utrera Km 1, 41013, Seville, Spain
| | - Irene Villalón-García
- Centro Andaluz de Biología del Desarrollo (CABD), Consejo Superior de Investigaciones Científicas, Universidad Pablo de Olavide, Carretera de Utrera Km 1, 41013, Seville, Spain
| | - Marta Talaverón-Rey
- Centro Andaluz de Biología del Desarrollo (CABD), Consejo Superior de Investigaciones Científicas, Universidad Pablo de Olavide, Carretera de Utrera Km 1, 41013, Seville, Spain
| | - Alejandra Suárez-Carrillo
- Centro Andaluz de Biología del Desarrollo (CABD), Consejo Superior de Investigaciones Científicas, Universidad Pablo de Olavide, Carretera de Utrera Km 1, 41013, Seville, Spain
| | - Manuel Munuera-Cabeza
- Centro Andaluz de Biología del Desarrollo (CABD), Consejo Superior de Investigaciones Científicas, Universidad Pablo de Olavide, Carretera de Utrera Km 1, 41013, Seville, Spain
| | - Diana Reche-López
- Centro Andaluz de Biología del Desarrollo (CABD), Consejo Superior de Investigaciones Científicas, Universidad Pablo de Olavide, Carretera de Utrera Km 1, 41013, Seville, Spain
| | - Paula Cilleros-Holgado
- Centro Andaluz de Biología del Desarrollo (CABD), Consejo Superior de Investigaciones Científicas, Universidad Pablo de Olavide, Carretera de Utrera Km 1, 41013, Seville, Spain
| | - Rocío Piñero-Perez
- Centro Andaluz de Biología del Desarrollo (CABD), Consejo Superior de Investigaciones Científicas, Universidad Pablo de Olavide, Carretera de Utrera Km 1, 41013, Seville, Spain
| | - José A Sánchez-Alcázar
- Centro Andaluz de Biología del Desarrollo (CABD), Consejo Superior de Investigaciones Científicas, Universidad Pablo de Olavide, Carretera de Utrera Km 1, 41013, Seville, Spain. .,Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, 41013, Seville, Spain.
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17
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Cheng L, Wang T, Gao Z, Wu W, Cao Y, Wang L, Zhang Q. Study on the Protective Effect of Schizandrin B against Acetaminophen-Induced Cytotoxicity in Human Hepatocyte. Biol Pharm Bull 2022; 45:596-604. [DOI: 10.1248/bpb.b21-00965] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Ling Cheng
- Medical Intensive Care Unit, The First Affiliated Hospital of Anhui University of Chinese Medicine
| | - Tingting Wang
- Key Laboratory of Xin’an Medicine, Ministry of Education, Anhui University of Chinese Medicine
| | - Zhiling Gao
- Medical Intensive Care Unit, The First Affiliated Hospital of Anhui University of Chinese Medicine
| | - Wenkai Wu
- Department of General Surgery, The First Affiliated Hospital of Anhui University of Chinese Medicine
| | - Yezhi Cao
- Department of General Surgery, The First Affiliated Hospital of Anhui University of Chinese Medicine
| | - Linghu Wang
- Department of General Surgery, The First Affiliated Hospital of Anhui University of Chinese Medicine
| | - Qi Zhang
- Institute of Surgery, Anhui Academy of Chinese Medicine
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18
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Shen J, Jiao Y, Ding N, Xie L, Ma S, Zhang H, Yang A, Zhang H, Jiang Y. Homocysteine facilitates endoplasmic reticulum stress and apoptosis of hepatocytes by suppressing
ERO1α
expression via cooperation between DNMT1 and G9a. Cell Biol Int 2022; 46:1236-1248. [PMID: 35347798 PMCID: PMC9543485 DOI: 10.1002/cbin.11805] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 03/16/2022] [Accepted: 03/27/2022] [Indexed: 11/27/2022]
Abstract
Endoplasmic reticulum (ER) stress and apoptosis play a critical role in liver injury. Endoplasmic reticulum oxidoreductase 1α (ERO1α) is an oxidase that exists in the luminal side of the ER membrane, participating in protein folding and secretion and inhibiting apoptosis, but the underlying mechanism on liver injury induced by homocysteine (Hcy) remains obscure. In this study, hyperhomocysteinemia (HHcy) mice model was established in cbs+/− mice by feeding a high‐methionine diet for 12 weeks; and cbs+/− mice fed with high‐methionine diet exhibited more severe liver injury compared to cbs+/+ mice. Mechanistically, we found that Hcy promoted ER stress and apoptosis of hepatocytes and thereby aggravated liver injury through inhibiting ERO1α expression; accordingly, overexpression of ERO1α remarkably alleviated ER stress and apoptosis of hepatocytes induced by Hcy. Epigenetic modification analysis revealed that Hcy significantly increased levels of DNA methylation and H3 lysine 9 dimethylation (H3K9me2) on ERO1α promoter, which attributed to upregulated DNA methyltransferase 1 (DNMT1) and G9a, respectively. Further study showed that DNMT1 and G9a cooperatively regulated ERO1α expression in hepatocytes exposed to Hcy. Taken together, our work demonstrates that Hcy activates ER stress and apoptosis of hepatocytes by downregulating ERO1α expression via cooperation between DNMT1 and G9a, which provides new insight into the mechanism of Hcy‐induced ER stress and apoptosis of hepatocytes in liver injury.
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Affiliation(s)
- Jiangyong Shen
- NHC Key Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical UniversityYinchuan750004China
- Ningxia Key Laboratory of Vascular Injury and Repair Research, Ningxia Medical UniversityYinchuan750004China
- Department of Clinical Medicine, General Hospital of Ningxia Medical UniversityYinchuan750004China
| | - Yun Jiao
- NHC Key Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical UniversityYinchuan750004China
- Ningxia Key Laboratory of Vascular Injury and Repair Research, Ningxia Medical UniversityYinchuan750004China
- Department of Infectious diseases, General Hospital of Ningxia Medical UniversityYinchuan750004China
| | - Ning Ding
- School of Basic Medical SciencesNingxia Medical UniversityYinchuan750004China
- NHC Key Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical UniversityYinchuan750004China
- Ningxia Key Laboratory of Vascular Injury and Repair Research, Ningxia Medical UniversityYinchuan750004China
| | - Lin Xie
- School of Basic Medical SciencesNingxia Medical UniversityYinchuan750004China
- NHC Key Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical UniversityYinchuan750004China
- Ningxia Key Laboratory of Vascular Injury and Repair Research, Ningxia Medical UniversityYinchuan750004China
| | - Shengchao Ma
- School of Basic Medical SciencesNingxia Medical UniversityYinchuan750004China
- NHC Key Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical UniversityYinchuan750004China
- Ningxia Key Laboratory of Vascular Injury and Repair Research, Ningxia Medical UniversityYinchuan750004China
| | - Hui Zhang
- School of Basic Medical SciencesNingxia Medical UniversityYinchuan750004China
- NHC Key Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical UniversityYinchuan750004China
- Ningxia Key Laboratory of Vascular Injury and Repair Research, Ningxia Medical UniversityYinchuan750004China
| | - Anning Yang
- School of Basic Medical SciencesNingxia Medical UniversityYinchuan750004China
- NHC Key Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical UniversityYinchuan750004China
- Ningxia Key Laboratory of Vascular Injury and Repair Research, Ningxia Medical UniversityYinchuan750004China
| | - Huiping Zhang
- NHC Key Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical UniversityYinchuan750004China
- Ningxia Key Laboratory of Vascular Injury and Repair Research, Ningxia Medical UniversityYinchuan750004China
- Department of Prenatal Diagnosis Center, General Hospital of Ningxia Medical UniversityYinchuan750004China
| | - Yideng Jiang
- School of Basic Medical SciencesNingxia Medical UniversityYinchuan750004China
- NHC Key Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical UniversityYinchuan750004China
- Ningxia Key Laboratory of Vascular Injury and Repair Research, Ningxia Medical UniversityYinchuan750004China
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19
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Badawy S, Yang Y, Liu Y, Marawan MA, Ares I, Martinez MA, Martínez-Larrañaga MR, Wang X, Anadón A, Martínez M. Toxicity induced by ciprofloxacin and enrofloxacin: oxidative stress and metabolism. Crit Rev Toxicol 2022; 51:754-787. [PMID: 35274591 DOI: 10.1080/10408444.2021.2024496] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Ciprofloxacin (CIP) (human use) and enrofloxacin (ENR) (veterinary use) are synthetic anti-infectious medications that belong to the second generation of fluoroquinolones. They have a wide antimicrobial spectrum and strong bactericidal effects at very low concentrations via enzymatic inhibition of DNA gyrase and topoisomerase IV, which are required for DNA replication. They also have high bioavailability, rapid absorption with favorable pharmacokinetics and excellent tissue penetration, including cerebral spinal fluid. These features have made them the most applied antibiotics in both human and veterinary medicine. ENR is marketed exclusively for animal medicine and has been widely used as a therapeutic veterinary antibiotic, resulting in its residue in edible tissues and aquatic environments, as well as the development of resistance and toxicity. Estimation of the risks to humans due to antimicrobial resistance produced by CIP and ENR is important and of great interest. Moreover, in rare cases due to their overdose and/or prolonged administration, the development of CIP and ENR toxicity may occur. The toxicity of these fluoroquinolones antimicrobials is mainly related to reactive oxygen species (ROS) and oxidative stress (OS) generation, besides metabolism-related toxicity. Therefore, CIP is restricted in pregnant and lactating women, pediatrics and elderly similarly ENR do in the veterinary field. This review manuscript aims to identify the toxicity induced by ROS and OS as a common sequel of CIP and ENR. Furthermore, their metabolism and the role of metabolizing enzymes were reported.
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Affiliation(s)
- Sara Badawy
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, China.,Pathology Department of Animal Medicine, Faculty of Veterinary Medicine, Benha University, Benha, Egypt
| | - YaQin Yang
- MAO Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, China
| | - Yanan Liu
- MAO Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, China
| | - Marawan A Marawan
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,Infectious Diseases, Animal Medicine Department, Faculty of Veterinary Medicine, Benha University, Benha, Egypt
| | - Irma Ares
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid (UCM), and Research Institute Hospital 12 de Octubre (i + 12), Madrid, Spain
| | - María-Aránzazu Martinez
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid (UCM), and Research Institute Hospital 12 de Octubre (i + 12), Madrid, Spain
| | - María-Rosa Martínez-Larrañaga
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid (UCM), and Research Institute Hospital 12 de Octubre (i + 12), Madrid, Spain
| | - Xu Wang
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, China.,MAO Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, China
| | - Arturo Anadón
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid (UCM), and Research Institute Hospital 12 de Octubre (i + 12), Madrid, Spain
| | - Marta Martínez
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid (UCM), and Research Institute Hospital 12 de Octubre (i + 12), Madrid, Spain
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20
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Das B, Toraman S. Deep transfer learning for automated liver cancer gene recognition using spectrogram images of digitized DNA sequences. Biomed Signal Process Control 2022. [DOI: 10.1016/j.bspc.2021.103317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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21
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Di Pasqua LG, Cagna M, Berardo C, Vairetti M, Ferrigno A. Detailed Molecular Mechanisms Involved in Drug-Induced Non-Alcoholic Fatty Liver Disease and Non-Alcoholic Steatohepatitis: An Update. Biomedicines 2022; 10:194. [PMID: 35052872 PMCID: PMC8774221 DOI: 10.3390/biomedicines10010194] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 01/11/2022] [Accepted: 01/12/2022] [Indexed: 12/12/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH) are some of the biggest public health challenges due to their spread and increasing incidence around the world. NAFLD is characterized by intrahepatic lipid deposition, accompanied by dyslipidemia, hypertension, and insulin resistance, leading to more serious complications. Among the various causes, drug administration for the treatment of numerous kinds of diseases, such as antiarrhythmic and antihypertensive drugs, promotes the onset and progression of steatosis, causing drug-induced hepatic steatosis (DIHS). Here, we reviewed in detail the major classes of drugs that cause DIHS and the specific molecular mechanisms involved in these processes. Eight classes of drugs, among the most used for the treatment of common pathologies, were considered. The most diffused mechanism whereby drugs can induce NAFLD/NASH is interfering with mitochondrial activity, inhibiting fatty acid oxidation, but other pathways involved in lipid homeostasis are also affected. PubMed research was performed to obtain significant papers published up to November 2021. The key words included the class of drugs, or the specific compound, combined with steatosis, nonalcoholic steatohepatitis, fibrosis, fatty liver and hepatic lipid deposition. Additional information was found in the citations listed in other papers, when they were not displayed in the original search.
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Affiliation(s)
- Laura Giuseppina Di Pasqua
- Unit of Cellular and Molecular Pharmacology and Toxicology, Department of Internal Medicine and Therapeutics, University of Pavia, 27100 Pavia, Italy
| | - Marta Cagna
- Unit of Cellular and Molecular Pharmacology and Toxicology, Department of Internal Medicine and Therapeutics, University of Pavia, 27100 Pavia, Italy
| | - Clarissa Berardo
- Unit of Cellular and Molecular Pharmacology and Toxicology, Department of Internal Medicine and Therapeutics, University of Pavia, 27100 Pavia, Italy
| | - Mariapia Vairetti
- Unit of Cellular and Molecular Pharmacology and Toxicology, Department of Internal Medicine and Therapeutics, University of Pavia, 27100 Pavia, Italy
| | - Andrea Ferrigno
- Unit of Cellular and Molecular Pharmacology and Toxicology, Department of Internal Medicine and Therapeutics, University of Pavia, 27100 Pavia, Italy
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22
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Role of Mitochondrial Cytochrome P450 2E1 in Healthy and Diseased Liver. Cells 2022; 11:cells11020288. [PMID: 35053404 PMCID: PMC8774478 DOI: 10.3390/cells11020288] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/05/2022] [Accepted: 01/11/2022] [Indexed: 12/14/2022] Open
Abstract
Cytochrome P450 2E1 (CYP2E1) is pivotal in hepatotoxicity induced by alcohol abuse and different xenobiotics. In this setting, CYP2E1 generates reactive metabolites inducing oxidative stress, mitochondrial dysfunction and cell death. In addition, this enzyme appears to play a role in the progression of obesity-related fatty liver to nonalcoholic steatohepatitis. Indeed, increased CYP2E1 activity in nonalcoholic fatty liver disease (NAFLD) is deemed to induce reactive oxygen species overproduction, which in turn triggers oxidative stress, necroinflammation and fibrosis. In 1997, Avadhani’s group reported for the first time the presence of CYP2E1 in rat liver mitochondria, and subsequent investigations by other groups confirmed that mitochondrial CYP2E1 (mtCYP2E1) could be found in different experimental models. In this review, we first recall the main features of CYP2E1 including its role in the biotransformation of endogenous and exogenous molecules, the regulation of its expression and activity and its involvement in different liver diseases. Then, we present the current knowledge on the physiological role of mtCYP2E1, its contribution to xenobiotic biotransformation as well as the mechanism and regulation of CYP2E1 targeting to mitochondria. Finally, we discuss experimental investigations suggesting that mtCYP2E1 could have a role in alcohol-associated liver disease, xenobiotic-induced hepatotoxicity and NAFLD.
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23
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Yamamoto C, Takemura A, Ishii S, Doi A, Saito I, Yamada H, Sakai Y, Matsunaga T, Ito K. A novel perfusion culture system for screening mitochondrial toxicity in primary mouse hepatocytes. J Toxicol Sci 2022; 47:13-18. [PMID: 34987137 DOI: 10.2131/jts.47.13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
The liver microphysiological system (MPS) model is an in-vitro culture method that mimics physiological blood flow, which enhances basal cellular functions. However, the liver MPS model has not been tested in the preclinical stage because of its obscure utility. It can overcome the major problem of conventional systems-rapid loss of mitochondrial activity in cultured hepatocytes due to limited oxygen supply-by supplying oxygen to cultured hepatocytes using a perfusion device. In this study, we developed a new perfusion culture system that can detect mitochondrial toxicity. Primary mouse hepatocytes were cultured under perfusion condition for 48 hr. The hepatocytes showed increased oxygen consumption and reduced lactate release. These results indicated that the ATP-production pathway was switched from glycolysis to mitochondrial oxidative phosphorylation in the perfusion culture system. Furthermore, ATP levels were considerably reduced in the perfusion culture system after exposure to phenformin, a mitochondrial complex I inhibitor. To summarize, the perfusion culture system could improve the mitochondrial activity in primary mouse hepatocytes, and thus, has potential implications in the detection of mitochondrial toxicity.
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Affiliation(s)
- Chika Yamamoto
- Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University
| | - Akinori Takemura
- Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University
| | - Sanae Ishii
- Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University
| | | | | | | | - Yoko Sakai
- Department of Clinical Pharmacy, Graduate School and Faculty of Pharmaceutical Sciences, Nagoya City University
| | - Tamihide Matsunaga
- Department of Clinical Pharmacy, Graduate School and Faculty of Pharmaceutical Sciences, Nagoya City University
| | - Kousei Ito
- Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University
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24
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Hu C, Li HW, Ke JQ, Yu XC, Zhao MY, Shi XY, Wu LJ, Tang XL, Xiong YH. Metabolic profiling of lysophosphatidylcholines in chlorpromazine hydrochloride- and N-acetyl- p-amino-phenoltriptolide-induced liver injured rats based on ultra-performance liquid chromatography quadrupole time-of-flight mass spectrometry. Hum Exp Toxicol 2022; 41:9603271221108320. [PMID: 35722787 DOI: 10.1177/09603271221108320] [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: 12/30/2022]
Abstract
Chlorpromazine hydrochloride (CH) and N-acetyl-p-amino-phenoltriptolide (APAP) are typical acentral dopamine receptor antagonists and antipyretic analgesics in clinical applications, respectively. However, it has been reported that these 2 drugs could cause liver damage. Lysophosphatidylcholines (LPCs) have multiple physiological functions and are metabolized primarily in the liver, where it undergoes significant changes when the liver is damaged. In the study, 15 LPCs in the rat serum with CH- and APAP-induced liver injury were quantified based on ultra-performance liquid chromatography quadrupole time-of-flight mass spectrometry, and multivariate statistical analyses including principal component analysis (PCA) and orthogonal partial least squares discriminate analysis (OPLS-DA) were combined to understand CH- and APAP-induced liver injury from the perspective of LPC metabolic profiling. The quantitative results showed that there were significant changes in 10 LPCs and 5 LPCs after CH- and APAP-administration, separately. The results of PCA and OPLS-DA indicated that CH- and APAP-induced liver injury could be well distinguished by the LPC metabolic profiling, and 7 LPCs and 1 LPC biomarkers that could characterize CH- and APAP-induced liver damage in turn had been screened. This study will not only provide a new perspective for the clinical diagnosis of CH- and APAP-induced liver injury, but also offer a reference for further study of their hepatotoxicity mechanisms.
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Affiliation(s)
- Cong Hu
- School of Pharmacy, 177505Jiangxi Science and Technology Normal University, Nanchang, P.R. China
| | - Hong-Wei Li
- School of Pharmacy, 177505Jiangxi Science and Technology Normal University, Nanchang, P.R. China
| | - Jia-Qun Ke
- School of Pharmacy, 177505Jiangxi Science and Technology Normal University, Nanchang, P.R. China
| | - Xue-Chun Yu
- School of Pharmacy, 177505Jiangxi Science and Technology Normal University, Nanchang, P.R. China
| | - Mei-Yu Zhao
- School of Pharmacy, 177505Jiangxi Science and Technology Normal University, Nanchang, P.R. China
| | - Xin-Yue Shi
- School of Pharmacy, 177505Jiangxi Science and Technology Normal University, Nanchang, P.R. China
| | - Lin-Jing Wu
- School of Pharmacy, 177505Jiangxi Science and Technology Normal University, Nanchang, P.R. China
| | - Xi-Lan Tang
- School of Pharmacy, 177505Jiangxi Science and Technology Normal University, Nanchang, P.R. China
| | - Yin-Hua Xiong
- School of Pharmacy, 177505Jiangxi Science and Technology Normal University, Nanchang, P.R. China
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25
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Mitochondrial Transplantation as a Novel Therapeutic Strategy for Mitochondrial Diseases. Int J Mol Sci 2021; 22:ijms22094793. [PMID: 33946468 PMCID: PMC8124982 DOI: 10.3390/ijms22094793] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 04/26/2021] [Accepted: 04/27/2021] [Indexed: 02/06/2023] Open
Abstract
Mitochondria are the major source of intercellular bioenergy in the form of ATP. They are necessary for cell survival and play many essential roles such as maintaining calcium homeostasis, body temperature, regulation of metabolism and apoptosis. Mitochondrial dysfunction has been observed in variety of diseases such as cardiovascular disease, aging, type 2 diabetes, cancer and degenerative brain disease. In other words, the interpretation and regulation of mitochondrial signals has the potential to be applied as a treatment for various diseases caused by mitochondrial disorders. In recent years, mitochondrial transplantation has increasingly been a topic of interest as an innovative strategy for the treatment of mitochondrial diseases by augmentation and replacement of mitochondria. In this review, we focus on diseases that are associated with mitochondrial dysfunction and highlight studies related to the rescue of tissue-specific mitochondrial disorders. We firmly believe that mitochondrial transplantation is an optimistic therapeutic approach in finding a potentially valuable treatment for a variety of mitochondrial diseases.
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26
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Aguilar Mora FA, Musheshe N, Oun A, Buist-Homan M, Lezoualc'h F, Cheng X, Schmidt M, Moshage H. Elevated cAMP Protects against Diclofenac-Induced Toxicity in Primary Rat Hepatocytes: A Protective Effect Mediated by the Exchange Protein Directly Activated by cAMP/cAMP-Regulated Guanine Nucleotide Exchange Factors. Mol Pharmacol 2021; 99:294-307. [PMID: 33574047 PMCID: PMC11033960 DOI: 10.1124/molpharm.120.000217] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 01/22/2021] [Indexed: 12/14/2022] Open
Abstract
Chronic consumption of the nonsteroidal anti-inflammatory drug diclofenac may induce drug-induced liver injury (DILI). The mechanism of diclofenac-induced liver injury is partially elucidated and involves mitochondrial damage. Elevated cAMP protects hepatocytes against bile acid-induced injury. However, it is unknown whether cAMP protects against DILI and, if so, which downstream targets of cAMP are implicated in the protective mechanism, including the classic protein kinase A (PKA) pathway or alternative pathways like the exchange protein directly activated by cAMP (EPAC). The aim of this study was to investigate whether cAMP and/or its downstream targets protect against diclofenac-induced injury in hepatocytes. Rat hepatocytes were exposed to 400 µmol/l diclofenac. Apoptosis and necrosis were measured by caspase-3 activity assay and Sytox green staining, respectively. Mitochondrial membrane potential (MMP) was measured by JC-10 staining. mRNA and protein expression were assessed by quantitative polymerase chain reaction (qPCR) and Western blot, respectively. The cAMP-elevating agent 7β-acetoxy-8,13-epoxy-1α,6β,9α-trihydroxylabd-14-en-11-one (forskolin), the pan-phosphodiesterase inhibitor IBMX, and EPAC inhibitors 5,7-dibromo-6-fluoro-3,4-dihydro-2-methyl-1(2H)-quinoline carboxaldehyde (CE3F4) and ESI-O5 were used to assess the role of cAMP and its effectors, PKA or EPAC. Diclofenac exposure induced apoptotic cell death and loss of MMP in hepatocytes. Both forskolin and IBMX prevented diclofenac-induced apoptosis. EPAC inhibition but not PKA inhibition abolished the protective effect of forskolin and IBMX. Forskolin and IBMX preserved the MMP, whereas both EPAC inhibitors diminished this effect. Both EPAC1 and EPAC2 were expressed in hepatocytes and localized in mitochondria. cAMP elevation protects hepatocytes against diclofenac-induced cell death, a process primarily involving EPACs. The cAMP/EPAC pathway may be a novel target for treatment of DILI. SIGNIFICANCE STATEMENT: This study shows two main highlights. First, elevated cAMP levels protect against diclofenac-induced apoptosis in primary hepatocytes via maintenance of mitochondrial integrity. In addition, this study proposes the existence of mitochondrial cAMP-EPAC microdomains in rat hepatocytes, opening new avenues for targeted therapy in drug-induced liver injury (DILI). Both EPAC1 and EPAC2, but not protein kinase A, are responsible for this protective effect. Our findings present cAMP-EPAC as a potential target for the treatment of DILI and liver injury involving mitochondrial dysfunction.
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Affiliation(s)
- Fabio Alejandro Aguilar Mora
- Dept. Gastroenterology and Hepatology (F.A.A.M., M.B.-H., H.M.), Dept. Molecular Pharmacology, Groningen Research Institute of Pharmacy, Groningen Research Institute for Asthma and COPD, GRIAC (N.M., A.O., M.S.), Dept. Laboratory Medicine (M.B.-H., H.M.), University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Inserm UMR-1048, Institut des Maladies Métaboliques et Cardiovasculaires, Univ Toulouse Paul Sabatier, Toulouse, France (F.L.); and Department of Integrative Biology and Pharmacology, Texas Therapeutics Institute, University of Texas Health Science Center at Houston, Houston, Texas (X.C.)
| | - Nshunge Musheshe
- Dept. Gastroenterology and Hepatology (F.A.A.M., M.B.-H., H.M.), Dept. Molecular Pharmacology, Groningen Research Institute of Pharmacy, Groningen Research Institute for Asthma and COPD, GRIAC (N.M., A.O., M.S.), Dept. Laboratory Medicine (M.B.-H., H.M.), University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Inserm UMR-1048, Institut des Maladies Métaboliques et Cardiovasculaires, Univ Toulouse Paul Sabatier, Toulouse, France (F.L.); and Department of Integrative Biology and Pharmacology, Texas Therapeutics Institute, University of Texas Health Science Center at Houston, Houston, Texas (X.C.)
| | - Asmaa Oun
- Dept. Gastroenterology and Hepatology (F.A.A.M., M.B.-H., H.M.), Dept. Molecular Pharmacology, Groningen Research Institute of Pharmacy, Groningen Research Institute for Asthma and COPD, GRIAC (N.M., A.O., M.S.), Dept. Laboratory Medicine (M.B.-H., H.M.), University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Inserm UMR-1048, Institut des Maladies Métaboliques et Cardiovasculaires, Univ Toulouse Paul Sabatier, Toulouse, France (F.L.); and Department of Integrative Biology and Pharmacology, Texas Therapeutics Institute, University of Texas Health Science Center at Houston, Houston, Texas (X.C.)
| | - Manon Buist-Homan
- Dept. Gastroenterology and Hepatology (F.A.A.M., M.B.-H., H.M.), Dept. Molecular Pharmacology, Groningen Research Institute of Pharmacy, Groningen Research Institute for Asthma and COPD, GRIAC (N.M., A.O., M.S.), Dept. Laboratory Medicine (M.B.-H., H.M.), University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Inserm UMR-1048, Institut des Maladies Métaboliques et Cardiovasculaires, Univ Toulouse Paul Sabatier, Toulouse, France (F.L.); and Department of Integrative Biology and Pharmacology, Texas Therapeutics Institute, University of Texas Health Science Center at Houston, Houston, Texas (X.C.)
| | - Frank Lezoualc'h
- Dept. Gastroenterology and Hepatology (F.A.A.M., M.B.-H., H.M.), Dept. Molecular Pharmacology, Groningen Research Institute of Pharmacy, Groningen Research Institute for Asthma and COPD, GRIAC (N.M., A.O., M.S.), Dept. Laboratory Medicine (M.B.-H., H.M.), University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Inserm UMR-1048, Institut des Maladies Métaboliques et Cardiovasculaires, Univ Toulouse Paul Sabatier, Toulouse, France (F.L.); and Department of Integrative Biology and Pharmacology, Texas Therapeutics Institute, University of Texas Health Science Center at Houston, Houston, Texas (X.C.)
| | - Xiaodong Cheng
- Dept. Gastroenterology and Hepatology (F.A.A.M., M.B.-H., H.M.), Dept. Molecular Pharmacology, Groningen Research Institute of Pharmacy, Groningen Research Institute for Asthma and COPD, GRIAC (N.M., A.O., M.S.), Dept. Laboratory Medicine (M.B.-H., H.M.), University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Inserm UMR-1048, Institut des Maladies Métaboliques et Cardiovasculaires, Univ Toulouse Paul Sabatier, Toulouse, France (F.L.); and Department of Integrative Biology and Pharmacology, Texas Therapeutics Institute, University of Texas Health Science Center at Houston, Houston, Texas (X.C.)
| | - Martina Schmidt
- Dept. Gastroenterology and Hepatology (F.A.A.M., M.B.-H., H.M.), Dept. Molecular Pharmacology, Groningen Research Institute of Pharmacy, Groningen Research Institute for Asthma and COPD, GRIAC (N.M., A.O., M.S.), Dept. Laboratory Medicine (M.B.-H., H.M.), University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Inserm UMR-1048, Institut des Maladies Métaboliques et Cardiovasculaires, Univ Toulouse Paul Sabatier, Toulouse, France (F.L.); and Department of Integrative Biology and Pharmacology, Texas Therapeutics Institute, University of Texas Health Science Center at Houston, Houston, Texas (X.C.)
| | - Han Moshage
- Dept. Gastroenterology and Hepatology (F.A.A.M., M.B.-H., H.M.), Dept. Molecular Pharmacology, Groningen Research Institute of Pharmacy, Groningen Research Institute for Asthma and COPD, GRIAC (N.M., A.O., M.S.), Dept. Laboratory Medicine (M.B.-H., H.M.), University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Inserm UMR-1048, Institut des Maladies Métaboliques et Cardiovasculaires, Univ Toulouse Paul Sabatier, Toulouse, France (F.L.); and Department of Integrative Biology and Pharmacology, Texas Therapeutics Institute, University of Texas Health Science Center at Houston, Houston, Texas (X.C.)
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27
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Villanueva-Paz M, Morán L, López-Alcántara N, Freixo C, Andrade RJ, Lucena MI, Cubero FJ. Oxidative Stress in Drug-Induced Liver Injury (DILI): From Mechanisms to Biomarkers for Use in Clinical Practice. Antioxidants (Basel) 2021; 10:390. [PMID: 33807700 PMCID: PMC8000729 DOI: 10.3390/antiox10030390] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 03/02/2021] [Indexed: 12/11/2022] Open
Abstract
Idiosyncratic drug-induced liver injury (DILI) is a type of hepatic injury caused by an uncommon drug adverse reaction that can develop to conditions spanning from asymptomatic liver laboratory abnormalities to acute liver failure (ALF) and death. The cellular and molecular mechanisms involved in DILI are poorly understood. Hepatocyte damage can be caused by the metabolic activation of chemically active intermediate metabolites that covalently bind to macromolecules (e.g., proteins, DNA), forming protein adducts-neoantigens-that lead to the generation of oxidative stress, mitochondrial dysfunction, and endoplasmic reticulum (ER) stress, which can eventually lead to cell death. In parallel, damage-associated molecular patterns (DAMPs) stimulate the immune response, whereby inflammasomes play a pivotal role, and neoantigen presentation on specific human leukocyte antigen (HLA) molecules trigger the adaptive immune response. A wide array of antioxidant mechanisms exists to counterbalance the effect of oxidants, including glutathione (GSH), superoxide dismutase (SOD), catalase, and glutathione peroxidase (GPX), which are pivotal in detoxification. These get compromised during DILI, triggering an imbalance between oxidants and antioxidants defense systems, generating oxidative stress. As a result of exacerbated oxidative stress, several danger signals, including mitochondrial damage, cell death, and inflammatory markers, and microRNAs (miRNAs) related to extracellular vesicles (EVs) have already been reported as mechanistic biomarkers. Here, the status quo and the future directions in DILI are thoroughly discussed, with a special focus on the role of oxidative stress and the development of new biomarkers.
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Affiliation(s)
- Marina Villanueva-Paz
- Unidad de Gestión Clínica de Gastroenterología, Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, CIBERehd, 29071 Málaga, Spain; (M.V.-P.); (M.I.L.)
| | - Laura Morán
- Department of Immunology, Ophthalmology and ENT, Complutense University School of Medicine, 28040 Madrid, Spain; (L.M.); (N.L.-A.)
- Health Research Institute Gregorio Marañón (IiSGM), 28009 Madrid, Spain
| | - Nuria López-Alcántara
- Department of Immunology, Ophthalmology and ENT, Complutense University School of Medicine, 28040 Madrid, Spain; (L.M.); (N.L.-A.)
| | - Cristiana Freixo
- CINTESIS, Center for Health Technology and Services Research, do Porto University School of Medicine, 4200-319 Porto, Portugal;
| | - Raúl J. Andrade
- Unidad de Gestión Clínica de Gastroenterología, Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, CIBERehd, 29071 Málaga, Spain; (M.V.-P.); (M.I.L.)
| | - M Isabel Lucena
- Unidad de Gestión Clínica de Gastroenterología, Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, CIBERehd, 29071 Málaga, Spain; (M.V.-P.); (M.I.L.)
| | - Francisco Javier Cubero
- Department of Immunology, Ophthalmology and ENT, Complutense University School of Medicine, 28040 Madrid, Spain; (L.M.); (N.L.-A.)
- 12 de Octubre Health Research Institute (imas12), 28041 Madrid, Spain
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28
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Massart J, Begriche K, Fromenty B. Cytochrome P450 2E1 should not be neglected for acetaminophen-induced liver injury in metabolic diseases with altered insulin levels or glucose homeostasis. Clin Res Hepatol Gastroenterol 2021; 45:101470. [PMID: 32571750 DOI: 10.1016/j.clinre.2020.05.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 05/20/2020] [Indexed: 02/08/2023]
Abstract
Acetaminophen (APAP) hepatotoxicity is mediated by N-acetyl-p-benzoquinone imine (NAPQI), a highly toxic metabolite generated by cytochrome P450 2E1 (CYP2E1). Thus, pathological conditions increasing CYP2E1 activity can favour APAP-induced liver injury, which is characterized by massive hepatocellular necrosis and secondary sterile inflammation. In a recent work, Wang et al. showed that APAP-induced hepatotoxicity was exacerbated in a murine model of type 1 diabetes induced by the administration of streptozotocin (STZ). Higher hepatotoxicity was in particular associated with a stronger proinflammatory response of the resident macrophages. Although the authors carried out numerous investigations, they did not study hepatic CYP2E1, nor discussed the possible role of this enzyme in the exacerbation of APAP hepatotoxicity. However, numerous investigations reported hepatic CYP2E1 induction in STZ-treated rodents, which could be secondary to insulinopenia and ketosis. This commentary also discusses the role of insulin resistance in CYP2E1 induction observed in obesity and nonalcoholic fatty liver disease. Investigators studying APAP-induced liver injury in the context of insulinopenia or hyperinsulinemia are thus encouraged to consider CYP2E1 as a significant player in the observed phenotypic changes.
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Affiliation(s)
- Julie Massart
- INSERM, Université de Rennes, INRAE, Institut NUMECAN (Nutrition Metabolisms and Cancer) UMR_A 1341, UMR_S 1241, 35000 Rennes, France
| | - Karima Begriche
- INSERM, Université de Rennes, INRAE, Institut NUMECAN (Nutrition Metabolisms and Cancer) UMR_A 1341, UMR_S 1241, 35000 Rennes, France
| | - Bernard Fromenty
- INSERM, Université de Rennes, INRAE, Institut NUMECAN (Nutrition Metabolisms and Cancer) UMR_A 1341, UMR_S 1241, 35000 Rennes, France.
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Ferron PJ, Gicquel T, Mégarbane B, Clément B, Fromenty B. Treatments in Covid-19 patients with pre-existing metabolic dysfunction-associated fatty liver disease: A potential threat for drug-induced liver injury? Biochimie 2020; 179:266-274. [PMID: 32891697 PMCID: PMC7468536 DOI: 10.1016/j.biochi.2020.08.018] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 08/27/2020] [Accepted: 08/30/2020] [Indexed: 02/07/2023]
Abstract
Obese patients who often present metabolic dysfunction-associated fatty liver disease (MAFLD) are at risk of severe presentation of coronavirus disease 2019 (COVID-19). These patients are more likely to be hospitalized and receive antiviral agents and other drugs required to treat acute respiratory distress syndrome and systemic inflammation, combat bacterial and fungal superinfections and reverse multi-organ failure. Among these pharmaceuticals, antiretrovirals such as lopinavir/ritonavir and remdesivir, antibiotics and antifungal agents can induce drug-induced liver injury (DILI), whose mechanisms are not always understood. In the present article, we hypothesize that obese COVID-19 patients with MAFLD might be at higher risk for DILI than non-infected healthy individuals or MAFLD patients. These patients present several concomitant factors, which individually can favour DILI: polypharmacy, systemic inflammation at risk of cytokine storm, fatty liver and sometimes nonalcoholic steatohepatitis (NASH) as well as insulin resistance and other diseases linked to obesity. Hence, in obese COVID-19 patients, some drugs might cause more severe (and/or more frequent) DILI, while others might trigger the transition of fatty liver to NASH, or worsen pre-existing steatosis, necroinflammation and fibrosis. We also present the main mechanisms whereby drugs can be more hepatotoxic in MAFLD including impaired activity of xenobiotic-metabolizing enzymes, mitochondrial dysfunction, altered lipid homeostasis and oxidative stress. Although comprehensive investigations are needed to confirm our hypothesis, we believe that the current epidemic of obesity and related metabolic diseases has extensively contributed to increase the number of cases of DILI in COVID-19 patients, which may have participated in presentation severity and death.
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Affiliation(s)
- Pierre-Jean Ferron
- INSERM, Univ Rennes, INRAE, Institut NUMECAN (Nutrition Metabolisms and Cancer) UMR_A 1341, UMR_S 1241, F-35000, Rennes, France
| | - Thomas Gicquel
- INSERM, Univ Rennes, INRAE, Institut NUMECAN (Nutrition Metabolisms and Cancer) UMR_A 1341, UMR_S 1241, F-35000, Rennes, France; CHU Rennes, Laboratoire de toxicologie médico-légale, F-35000, Rennes, France
| | - Bruno Mégarbane
- Department of Medical and Toxicological Critical Care, Lariboisière Hospital, University of Paris, INSERM, UMRS, 1144, Paris, France
| | - Bruno Clément
- INSERM, Univ Rennes, INRAE, Institut NUMECAN (Nutrition Metabolisms and Cancer) UMR_A 1341, UMR_S 1241, F-35000, Rennes, France
| | - Bernard Fromenty
- INSERM, Univ Rennes, INRAE, Institut NUMECAN (Nutrition Metabolisms and Cancer) UMR_A 1341, UMR_S 1241, F-35000, Rennes, France.
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Ikeyama Y, Sato T, Takemura A, Sekine S, Ito K. Hypoxia/reoxygenation exacerbates drug-induced cytotoxicity by opening mitochondrial permeability transition pore: Possible application for toxicity screening. Toxicol In Vitro 2020; 67:104889. [PMID: 32417306 DOI: 10.1016/j.tiv.2020.104889] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 05/12/2020] [Accepted: 05/12/2020] [Indexed: 12/17/2022]
Abstract
Recently, mitochondrial dysfunction is thought of as an important factor leading to a drug-induced liver injury. Our previous reports show that mitochondria-related toxicity, including respiratory chain inhibition (RCI) and reactive oxygen species (ROS) induction, can be detected by the modification of sugar resource substitution and high oxygen condition. However, this in vitro model does not detect mitochondrial permeability transition (MPT)-induced toxicity. Another study with a lipopolysaccharide-pre-administered rodent model showed that ischemia/reperfusion induced ROS, sensitized the susceptibility of MPT pore opening and, finally developed drug-induced liver toxicity. Based on this result, the present study investigated the effect of hypoxia/reoxygenation (H/R) treatment mimicking the ischemia/reperfusion on MPT-dependent toxicity, aiming to construct a system that can evaluate MPT by drugs in hepatocytes. Mitochondrial ROS were enhanced by H/R treatment only in the galactose culture condition. Amiodarone, benzbromarone, flutamide and troglitazone which induced MPT pore opening led to hepatocyte death only in combination with H/R and galactose. Moreover, this alteration was significantly suppressed in hepatocytes lacking cyclophilin D. In conclusion, MPT-induced cytotoxicity can be detected by activating mitochondrial function and H/R. This cell-based assay system could evaluate MPT induced-cytotoxicity by drugs, besides RCI and ROS induction.
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Affiliation(s)
- Yugo Ikeyama
- The Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba 260-8675, Japan
| | - Tomoyuki Sato
- The Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba 260-8675, Japan
| | - Akinori Takemura
- The Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba 260-8675, Japan
| | - Shuichi Sekine
- The Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba 260-8675, Japan
| | - Kousei Ito
- The Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba 260-8675, Japan.
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