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Guo S, Li Z, Liu Y, Cheng Y, Jia D. Ferroptosis: a new target for hepatic ischemia-reperfusion injury? Free Radic Res 2024:1-21. [PMID: 39068663 DOI: 10.1080/10715762.2024.2386075] [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: 02/29/2024] [Revised: 06/20/2024] [Accepted: 06/21/2024] [Indexed: 07/30/2024]
Abstract
Ischemia-reperfusion injury (IRI) can seriously affect graft survival and prognosis and is an unavoidable event during liver transplantation. Ferroptosis is a novel iron-dependent form of cell death characterized by iron accumulation and overwhelming lipid peroxidation; it differs morphologically, genetically, and biochemically from other well-known cell death types (autophagy, necrosis, and apoptosis). Accumulating evidence has shown that ferroptosis is involved in the pathogenesis of hepatic IRI, and targeting ferroptosis may be a promising therapeutic approach. Here, we review the pathways and phenomena involved in ferroptosis, explore the associations and implications of ferroptosis and hepatic IRI, and discuss possible strategies for modulating ferroptosis to alleviate the hepatic IRI.
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Affiliation(s)
- Shanshan Guo
- Department of Nephropathy, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Zexin Li
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xinxiang Medical University, Weihui, China
| | - Yi Liu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xinxiang Medical University, Weihui, China
| | - Ying Cheng
- Department of Organ Transplantation, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Degong Jia
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xinxiang Medical University, Weihui, China
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
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2
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Guo X, Liang K, Xia L, Zhang X, Liu J, Wang C, Li J, Li X, Hou X, Chen L. Mof plays distinct roles in hepatic lipid metabolism under healthy or non-alcoholic fatty liver conditions. iScience 2023; 26:108446. [PMID: 38034359 PMCID: PMC10687339 DOI: 10.1016/j.isci.2023.108446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 09/11/2023] [Accepted: 11/09/2023] [Indexed: 12/02/2023] Open
Abstract
The disturbance of hepatic lipid metabolism has a strong association with non-alcoholic fatty liver disease (NAFLD) and diabetes. Mof, an acetyltransferase involved in obesity and carbon metabolism, has not been thoroughly examined in its connection to hepatic metabolism. We aimed to explore the impact of Mof on hepatic lipid metabolism. The alteration of Mof expression was found in both obese mice and NAFLD human liver. The genes regulated by Mof were closely associated with lipid metabolism. In normal mice or hepatic cells, the down-regulation or inhibition of Mof resulted in increased lipid accumulation due to decreased PPARα expression. Conversely, in diet-induced obesity (DIO) mice or hepatic cells treated with palmitic acid, the inhibition of Mof led to improved lipid metabolism, attributed to the reduction in p-mTOR/mTOR levels. In summary, Mof exhibited distinct roles in lipid metabolism under different conditions. The inhibition of Mof may hold potential as a therapeutic target for hepatic lipid metabolism disturbances.
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Affiliation(s)
- Xinghong Guo
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China
- Institute of Endocrine and Metabolic Diseases of Shandong University, Jinan, Shandong 250012, China
- Key Laboratory of Endocrine and Metabolic Diseases, Shandong Province Medicine & Health, Jinan, Shandong 250012, China
- Jinan Clinical Research Center for Endocrine and Metabolic Disease, Jinan, Shandong 250012, China
| | - Kai Liang
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China
- Institute of Endocrine and Metabolic Diseases of Shandong University, Jinan, Shandong 250012, China
- Key Laboratory of Endocrine and Metabolic Diseases, Shandong Province Medicine & Health, Jinan, Shandong 250012, China
- Jinan Clinical Research Center for Endocrine and Metabolic Disease, Jinan, Shandong 250012, China
| | - Longqing Xia
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China
| | - Xu Zhang
- Shandong Provincial Key Laboratory of Animal Cells and Developmental Biology, Life Science School of Shandong University, Qingdao, Shandong 266237, China
| | - Jinbo Liu
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China
- Institute of Endocrine and Metabolic Diseases of Shandong University, Jinan, Shandong 250012, China
- Key Laboratory of Endocrine and Metabolic Diseases, Shandong Province Medicine & Health, Jinan, Shandong 250012, China
- Jinan Clinical Research Center for Endocrine and Metabolic Disease, Jinan, Shandong 250012, China
| | - Chuan Wang
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China
- Institute of Endocrine and Metabolic Diseases of Shandong University, Jinan, Shandong 250012, China
- Key Laboratory of Endocrine and Metabolic Diseases, Shandong Province Medicine & Health, Jinan, Shandong 250012, China
- Jinan Clinical Research Center for Endocrine and Metabolic Disease, Jinan, Shandong 250012, China
| | - Jinquan Li
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China
- Institute of Endocrine and Metabolic Diseases of Shandong University, Jinan, Shandong 250012, China
- Key Laboratory of Endocrine and Metabolic Diseases, Shandong Province Medicine & Health, Jinan, Shandong 250012, China
- Jinan Clinical Research Center for Endocrine and Metabolic Disease, Jinan, Shandong 250012, China
| | - Xiangzhi Li
- Shandong Provincial Key Laboratory of Animal Cells and Developmental Biology, Life Science School of Shandong University, Qingdao, Shandong 266237, China
| | - Xinguo Hou
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China
- Institute of Endocrine and Metabolic Diseases of Shandong University, Jinan, Shandong 250012, China
- Key Laboratory of Endocrine and Metabolic Diseases, Shandong Province Medicine & Health, Jinan, Shandong 250012, China
- Jinan Clinical Research Center for Endocrine and Metabolic Disease, Jinan, Shandong 250012, China
| | - Li Chen
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China
- Institute of Endocrine and Metabolic Diseases of Shandong University, Jinan, Shandong 250012, China
- Key Laboratory of Endocrine and Metabolic Diseases, Shandong Province Medicine & Health, Jinan, Shandong 250012, China
- Jinan Clinical Research Center for Endocrine and Metabolic Disease, Jinan, Shandong 250012, China
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Dwivedi DK, Sahu C, Jena GB. Simultaneous intervention against oxidative stress and inflammation by targeting Nrf2/ARE and NLRP3 inflammasome pathway mitigates thioacetamide-induced liver fibrosis in rat. Can J Physiol Pharmacol 2023; 101:509-520. [PMID: 37665062 DOI: 10.1139/cjpp-2023-0018] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
Liver fibrosis is a typical pathological state/stage involved in most chronic liver diseases and its persistence results in cirrhosis. Inflammasomes are cytoplasmic sensors that induce inflammation in response to stress. Glibenclamide (GLB) is an USFDA-approved drug for type 2 diabetes and is reported to possess anti-inflammatory activity by inhibiting inflammatory cytokines. Dimethyl fumarate (DMF) is an USFDA-approved drug for multiple sclerosis and has been reported to activate the Nrf2/ARE pathway to maintain the cellular antioxidant balance. A total of 36 rats were randomized into six groups (n = 6 each). The rats were injected with thioacetamide (TAA) 200 mg/kg, intraperitoneally every third day for eight consecutive weeks to induce liver fibrosis and oral treatment of GLB 0.5 mg/kg/day and DMF 25 mg/kg/day, and their combinations were provided for the last four consecutive weeks. Treatment with GLB, DMF, and GLB+DMF significantly protected against TAA-mediated oxidative stress and inflammatory conditions by improving hepatic function test, triglycerides, hydroxyproline, and histopathological alterations, by inhibiting the NLRP3 inflammasome signaling and fibrogenic markers, and by activating Nrf2/ARE pathway in Wistar rats. The present results suggest that simultaneous Nrf2/ARE activation and NLRP3 inflammasome inhibition could significantly contribute to developing a novel therapy for patients with liver fibrosis.
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Affiliation(s)
- Durgesh Kumar Dwivedi
- Facility for Risk Assessment and Intervention Studies, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Sector 67, S.A.S. Nagar, Punjab 160062, India
- CCRUM-National Research Institute of Unani Medicine for Skin Disorders (NRIUMSD), Hyderabad, Central Council for Research in Unani Medicine (CCRUM), New Delhi, India
| | - Chittaranjan Sahu
- Facility for Risk Assessment and Intervention Studies, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Sector 67, S.A.S. Nagar, Punjab 160062, India
| | - G B Jena
- Facility for Risk Assessment and Intervention Studies, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Sector 67, S.A.S. Nagar, Punjab 160062, India
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Bresciani G, Manai F, Davinelli S, Tucci P, Saso L, Amadio M. Novel potential pharmacological applications of dimethyl fumarate-an overview and update. Front Pharmacol 2023; 14:1264842. [PMID: 37745068 PMCID: PMC10512734 DOI: 10.3389/fphar.2023.1264842] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 08/18/2023] [Indexed: 09/26/2023] Open
Abstract
Dimethyl fumarate (DMF) is an FDA-approved drug for the treatment of psoriasis and multiple sclerosis. DMF is known to stabilize the transcription factor Nrf2, which in turn induces the expression of antioxidant response element genes. It has also been shown that DMF influences autophagy and participates in the transcriptional control of inflammatory factors by inhibiting NF-κB and its downstream targets. DMF is receiving increasing attention for its potential to be repurposed for several diseases. This versatile molecule is indeed able to exert beneficial effects on different medical conditions through a pleiotropic mechanism, in virtue of its antioxidant, immunomodulatory, neuroprotective, anti-inflammatory, and anti-proliferative effects. A growing number of preclinical and clinical studies show that DMF may have important therapeutic implications for chronic diseases, such as cardiovascular and respiratory pathologies, cancer, eye disorders, neurodegenerative conditions, and systemic or organ specific inflammatory and immune-mediated diseases. This comprehensive review summarizes and highlights the plethora of DMF's beneficial effects and underlines its repurposing opportunities in a variety of clinical conditions.
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Affiliation(s)
- Giorgia Bresciani
- Section of Pharmacology, Department of Drug Sciences, University of Pavia, Pavia, Italy
| | - Federico Manai
- Department of Biology and Biotechnology L. Spallanzani, University of Pavia, Pavia, Italy
| | - Sergio Davinelli
- Department of Medicine and Health Sciences “V. Tiberio”, University of Molise, Campobasso, Italy
| | - Paolo Tucci
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Luciano Saso
- Department of Physiology and Pharmacology Vittorio Erspamer, Sapienza University, Rome, Italy
| | - Marialaura Amadio
- Section of Pharmacology, Department of Drug Sciences, University of Pavia, Pavia, Italy
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Qi D, Chen P, Bao H, Zhang L, Sun K, Song S, Li T. Dimethyl fumarate protects against hepatic ischemia-reperfusion injury by alleviating ferroptosis via the NRF2/SLC7A11/HO-1 axis. Cell Cycle 2023; 22:818-828. [PMID: 36482709 PMCID: PMC10026899 DOI: 10.1080/15384101.2022.2155016] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Dimethyl fumarate (DMF), a therapeutic agent for relapsing-remitting multiple sclerosis, has cytoprotective and antioxidant effects. Ferroptosis, a pathological cell death process, is recently shown to play a vital part in ischemia-reperfusion injury (IRI). This study aimed to unveil the suppressive role of DMF on ferroptosis in liver IRI. The anti-ferroptosis effect of DMF on hepatic IRI was investigated using a liver IRI mouse model and a hypoxia-reoxygenation injury (HRI) model in alpha mouse liver (AML12) cells. Serum transaminase concentrations reflected liver function. Hematoxylin and eosin staining was used to assess liver damage. Cell viability was evaluated utilizing the CCK-8 assay. Malondialdehyde (MDA), the reduced glutathione/oxidized glutathione (GSH/GSSG) ratio, and BODIPY 581/591C11 were measured to estimate the injury caused by lipid peroxidation. Western blotting and real-time polymerase chain reaction (RT-PCR) were performed to explore the underlying molecular mechanisms. We demonstrated the anti-ferroptosis effects of DMF both in vivo and in vitro. DMF treatment ameliorated hepatic IRI. KEGG enrichment analysis and transmission electron microscopy revealed a close relationship between ferroptosis and liver IRI. Furthermore, DMF protected against HRI by inhibiting ferroptosis via activating the nuclear factor E2-related factor 2 (NRF2) pathway. Interestingly, NRF2 knockdown notably decreased the expression of SLC7A11 and HO-1 and blocked the anti-ferroptosis effects of DMF. DMF inhibits ferroptosis by activating the NRF2/SLC7A11/HO-1 axis and exerts a protective effect against hepatic IRI.
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Affiliation(s)
- Debin Qi
- Department of General Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Peng Chen
- Department of General Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Haili Bao
- Department of General Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Lei Zhang
- Department of General Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Keyan Sun
- Department of General Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Shaohua Song
- Department of General Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Tao Li
- Department of General Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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DMF-Activated Nrf2 Ameliorates Palmitic Acid Toxicity While Potentiates Ferroptosis Mediated Cell Death: Protective Role of the NO-Donor S-Nitroso-N-Acetylcysteine. Antioxidants (Basel) 2023; 12:antiox12020512. [PMID: 36830070 PMCID: PMC9952671 DOI: 10.3390/antiox12020512] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/13/2023] [Accepted: 02/14/2023] [Indexed: 02/22/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most prevalent chronic liver disease that can develop into an aggressive form called nonalcoholic steatohepatitis (NASH), which ultimately progresses to cirrhosis, hepatocellular carcinoma (HCC), and end-stage liver failure. Currently, the deterioration of NAFLD is attributed to specific lipid toxicity which could be due to lipotoxicity and/or ferroptosis. In the current study, we evaluated the involvement of the nuclear factor erythroid 2 (NFE2)-related factor 2 (Nrf-2), which is a main activator of phase II metabolism in the two types of lipid-induced toxicity in hepatocytes, lipotoxicity by saturated fatty acids, and in ferroptosis, and the effect of NO donor treatment. AML12 cells were exposed to 600 μM palmitic acid to induce lipotoxicity or treated with 20 μM erastin or 5 μM RSL3 for ferroptosis. In SFA-lipotoxicity, pretreatment with the Nrf2 activator dimethyl fumarate (DMF) managed to ameliorate the cells and the oxidative stress level while aggravating ferroptosis due to emptying the thiol pool. On the other hand, the nitric oxide (NO)-donor, S-nitroso-N-acetylcysteine (NAC-SNO) proved to be effective in the prevention of hepatocytes ferroptosis.
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Takasu C, Chen S, Gao L, Saito Y, Morine Y, Ikemoto T, Yamada S, Shimad M. Role of Nrf2 signaling in development of hepatocyte-like cells. THE JOURNAL OF MEDICAL INVESTIGATION 2023; 70:343-349. [PMID: 37940517 DOI: 10.2152/jmi.70.343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
Generation of hepatocytes from human adipose-derived mesenchymal stem cells (hADSCs) could be a promising alternative source of human hepatocytes. However, mechanisms to differentiate hepatocytes from hADSCs are not fully elucidated. We have previously demonstrated that our three-step differentiation protocol with glycogen synthase kinase (GSK) 3 inhibitor was effective to improve hepatocyte functions. In this study, we investigated the activation of the nuclear factor erythroid-2 related factor 2 (Nrf2) on hADSCs undergoing differentiation to HLC (hepatocyte-like cells). Our three-step differentiation protocol was applied for 21 days (Step 1:day 1-6, Step2:day 6-11, Step3:day 11-21). Our results show that significant nuclear translocation of Nrf2 occurred from day 11 until the end of HLC differentiation. Nuclear translocation of Nrf2 and CYP3A4 activity in the GSK3 inhibitor-treated group was obviously higher than that in Activin A-treated groups at day 11. The maturation of HLCs was delayed in Nrf2-siRNA group compared to control group. Furthermore, CYP3A4 activity in Nrf2-siRNA group was decreased at the almost same level in Activin A-treated group. Nrf2 translocation might enhance the function of HLC and be a target for developing highly functional HLC. J. Med. Invest. 70 : 343-349, August, 2023.
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Affiliation(s)
- Chie Takasu
- Department of Surgery, Institute of Health Biosciences, Tokushima University, Tokushima, Japan
| | - Shuhai Chen
- Department of Surgery, Institute of Health Biosciences, Tokushima University, Tokushima, Japan
| | - Luping Gao
- Department of Surgery, Institute of Health Biosciences, Tokushima University, Tokushima, Japan
| | - Yu Saito
- Department of Surgery, Institute of Health Biosciences, Tokushima University, Tokushima, Japan
| | - Yuji Morine
- Department of Surgery, Institute of Health Biosciences, Tokushima University, Tokushima, Japan
| | - Tetsuya Ikemoto
- Department of Surgery, Institute of Health Biosciences, Tokushima University, Tokushima, Japan
| | - Shinichiro Yamada
- Department of Surgery, Institute of Health Biosciences, Tokushima University, Tokushima, Japan
| | - Mitsu Shimad
- Department of Surgery, Institute of Health Biosciences, Tokushima University, Tokushima, Japan
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Anti-Oxidative Therapy in Islet Cell Transplantation. Antioxidants (Basel) 2022; 11:antiox11061038. [PMID: 35739935 PMCID: PMC9219662 DOI: 10.3390/antiox11061038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/16/2022] [Accepted: 05/18/2022] [Indexed: 01/27/2023] Open
Abstract
Islet cell transplantation has become a favorable therapeutic approach in the treatment of Type 1 Diabetes due to the lower surgical risks and potential complications compared to conventional pancreas transplantation. Despite significant improvements in islet cell transplantation outcomes, several limitations hamper long-term graft survival due to tremendous damage and loss of islet cells during the islet cell transplantation process. Oxidative stress has been identified as an omnipresent stressor that negatively affects both the viability and function of isolated islets. Furthermore, it has been established that at baseline, pancreatic β cells exhibit reduced antioxidative capacity, rendering them even more susceptible to oxidative stress during metabolic stress. Thus, identifying antioxidants capable of conferring protection against oxidative stressors present throughout the islet transplantation process is a valuable approach to improving the overall outcomes of islet cell transplantation. In this review we discuss the potential application of antioxidative therapy during each step of islet cell transplantation.
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Orientin Alleviates Liver Inflammation via Downregulation of ZEB-2/PTEN Markers—Hepatic Stellate Cells Approach. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12052725] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Liver inflammation is associated with an increased risk of liver fibrosis that substantially progresses to cirrhosis. Recently, usage of the herbal supplement has been increased because of its emerging role to dominate oxidative stress in hepatic injury. Orientin is one of the bioactive flavonoids that possesses a diversity of curative activities. Therefore, the present study was conducted to evaluate the anti-inflammatory role of orientin (1 mg/kg) in vitro in lipopolysaccharide (LPS)-induced inflammation in hepatic stellate cells (HSCs) and in vivo in carbon tetrachloride (CCl4)-induced liver fibrosis in mice. Moreover, the current study was supported by in silico investigation. Orientin demonstrated protection against LPS-induced HSC inflammation as evidenced by a decrease in iNOS, NO, and TNF-α and inhibition of the fibrotic markers ZEB-2 and PTEN. In addition, orientin afforded protection against CCl4-induced liver fibrosis in mice as shown from decreased AST/ALT ratio, inhibition of the pro-inflammatory mediators TNF-α, IL-6, IL-8, and IFN-γ, reduction of fibrotic markers ZEB-2 and PTEN, and improvement of the histopathological changes. Furthermore, the docking study demonstrated virtual interactions of orientin with ZEB-2 and PTEN. Taken together, the current study suggested that the protective effects of orientin against LPS- and CCl4-induced liver inflammation are via inhibition of fibrotic markers and reduction of pro-inflammatory mediators.
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Sun Z, Liu X, Liu Y, Zhao X, Zang X, Wang F. Immunosuppressive effects of dimethyl fumarate on dendritic cell maturation and migration: a potent protector for coronary heart disease. Immunopharmacol Immunotoxicol 2022; 44:178-185. [PMID: 35016591 DOI: 10.1080/08923973.2021.2025245] [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: 01/22/2023]
Abstract
Dendritic cells (DCs), as a bridge between innate and adaptive immunity, play key roles in atherogenesis, particularly in plaque rupture, the underlying pathophysiologic cause of myocardial infarction. Targeting DC functions, including maturation and migration to atherosclerotic plaques, may be a novel therapeutic approach to atherosclerotic disease. Dimethyl fumarate (DMF), an agent consisting of a combination of fumaric acid esters, in current study were found to be able to suppress DC maturation by reducing the expression of costimulatory molecules and MHC class II and by blocking cytokine secretion. In addition, DMF efficiently inhibited the migration of activated DCs in vitro and in vivo by reducing the expression of chemokine receptor 7 (CCR7). Additionally, DMF efficiently inhibited the expression of the costimulatory molecule CD86, as well as the chemokine receptor CCR7 and the C-X-C motif chemokine receptor 4 (CXCR4), in healthy donor-derived purified DCs that had been stimulated by ST-segment elevation myocardial infarction (STEMI) patient serum. This study points to the potent therapeutic value of DMF for protecting against cardiovascular disease by suppressing DC functions.
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Affiliation(s)
- Zikai Sun
- Department of Cardiology, Shanghai General Hospital of Nanjing Medical University, Shanghai, China.,Department of Cardiology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Xiaoqiang Liu
- Department of Cardiology, Shanghai General Hospital of Nanjing Medical University, Shanghai, China
| | - Yu Liu
- Department of Cardiology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Xin Zhao
- Department of Cardiology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xuan Zang
- Department of Cardiology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Fang Wang
- Department of Cardiology, Shanghai General Hospital of Nanjing Medical University, Shanghai, China
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Balak DMW, Piaserico S, Kasujee I. Non-Alcoholic Fatty Liver Disease (NAFLD) in Patients with Psoriasis: A Review of the Hepatic Effects of Systemic Therapies. PSORIASIS (AUCKLAND, N.Z.) 2021; 11:151-168. [PMID: 34909410 PMCID: PMC8665778 DOI: 10.2147/ptt.s342911] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 11/09/2021] [Indexed: 12/12/2022]
Abstract
There is increasing interest in the association between psoriasis and non-alcoholic fatty liver disease (NAFLD), which is a prevalent liver disease characterized by excessive fat storage and inflammation that can progress to fibrosis and cancer. Patients with psoriasis have a two-fold higher risk to develop NAFLD and a higher risk to progress to more severe liver disease. Psoriasis and NAFLD share common risk factors such as smoking, alcohol consumption, and the presence of metabolic syndrome and its component disorders. In addition, both psoriasis and NAFLD hinge upon a systemic low-grade inflammation that can lead to a vicious cycle of progressive liver damage in NAFLD as well as worsening of the underlying psoriasis. Other important shared pathophysiological pathways include peripheral insulin resistance and oxidative stress. NAFLD should receive clinical awareness as important comorbidity in psoriasis. In this review, we assess the recent literature on the epidemiological and pathophysiological relationship of psoriasis and NAFLD, discuss the clinical implications of NAFLD in psoriasis patients, and summarize the hepatotoxic and hepatoprotective potential of systemic psoriasis therapies.
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Affiliation(s)
- Deepak M W Balak
- Department of Dermatology, LangeLand Ziekenhuis, Zoetermeer, the Netherlands.,Department of Dermatology, Ghent University Hospital, Ghent, Belgium
| | - Stefano Piaserico
- Dermatology Unit, Department of Medicine, University of Padova, Padova, Italy
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12
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Xu Y, Li Z, Lu S, Wang C, Ke S, Li X, Yin B, Yu H, Zhou M, Pan S, Jiang H, Ma Y. Integrative Analysis of the Roles of lncRNAs and mRNAs in Itaconate-Mediated Protection Against Liver Ischemia-Reperfusion Injury in Mice. J Inflamm Res 2021; 14:4519-4536. [PMID: 34526799 PMCID: PMC8435882 DOI: 10.2147/jir.s327467] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 08/19/2021] [Indexed: 12/30/2022] Open
Abstract
Purpose Itaconate is well known for its strong anti-inflammatory and antioxidant effect, but little is known about the potential role of long non-coding RNAs (lncRNAs) in the underlying mechanisms of hepatic ischemia-reperfusion (IR) injury. The aim of our study is to identify lncRNAs related to IR injury and itaconate-mediated protection and to demonstrate the mechanism by which itaconate acts in liver IR injury from the new perspective of lncRNAs. Methods 4-Octyl itaconate (OI), a membrane-permeable derivative of itaconate, was used as a substitute for itaconate in our study. By using a mouse model of hepatic IR injury, serum and liver samples were collected to measure indexes of liver injury. Then, the liver samples of the mice were subjected to RNA sequencing (RNA-seq) and subsequent bioinformatics analysis. Results Itaconate attenuated liver IR injury. A total of 138 lncRNAs and 156 messenger RNAs (mRNAs) were markedly differentially expressed in the IR-damaged liver tissues pretreated with OI compared with the matched liver tissues treated with vehicle. Functional analysis indicated that lncRNAs may indirectly participate in the effects of itaconate. Furthermore, 41 mRNAs were examined for the protein-protein interaction (PPI) network analysis, and a key gene cluster was defined. Then, combined the coexpression analysis and the cis and trans regulatory function prediction of lncRNAs, some "candidate" lncRNA-mRNA pairs which might relate to itaconate-mediated liver protection were identified, while the relationship requires future validation. Conclusion Our study revealed that itaconate could protect the liver against IR injury and that lncRNAs might play a role in this process. Our study provides a novel way to investigate the mechanism by which itaconate affects hepatic IR injury and exerts its anti-inflammatory and antioxidative stress effects.
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Affiliation(s)
- Yanan Xu
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, People's Republic of China
| | - Zihao Li
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, People's Republic of China
| | - Shounan Lu
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Minimal Invasive Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, People's Republic of China
| | - Chaoqun Wang
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Minimal Invasive Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, People's Republic of China
| | - Shanjia Ke
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Minimal Invasive Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, People's Republic of China
| | - Xinglong Li
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Minimal Invasive Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, People's Republic of China
| | - Bing Yin
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Minimal Invasive Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, People's Republic of China
| | - Hongjun Yu
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Minimal Invasive Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, People's Republic of China
| | - Menghua Zhou
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, People's Republic of China
| | - Shangha Pan
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, People's Republic of China
| | - Hongchi Jiang
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, People's Republic of China
| | - Yong Ma
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Minimal Invasive Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, People's Republic of China
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13
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Mousavi K, Niknahad H, Li H, Jia Z, Manthari RK, Zhao Y, Shi X, Chen Y, Ahmadi A, Azarpira N, Khalvati B, Ommati MM, Heidari R. The activation of nuclear factor-E2-related factor 2 (Nrf2)/heme oxygenase-1 (HO-1) signaling blunts cholestasis-induced liver and kidney injury. Toxicol Res (Camb) 2021; 10:911-927. [PMID: 34484683 PMCID: PMC8403611 DOI: 10.1093/toxres/tfab073] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 05/29/2021] [Accepted: 07/08/2021] [Indexed: 12/26/2022] Open
Abstract
Cholestasis is a severe clinical complication that severely damages the liver. Kidneys are also the most affected extrahepatic organs in cholestasis. The pivotal role of oxidative stress has been mentioned in the pathogenesis of cholestasis-induced organ injury. The activation of the nuclear factor-E2-related factor 2 (Nrf2) pathway is involved in response to oxidative stress. The current study was designed to evaluate the potential role of Nrf2 signaling activation in preventing bile acids-induced toxicity in the liver and kidney. Dimethyl fumarate was used as a robust activator of Nrf2 signaling. Rats underwent bile duct ligation surgery and were treated with dimethyl fumarate (10 and 40 mg/kg). Severe oxidative stress was evident in the liver and kidney of cholestatic animals (P < 0.05). On the other hand, the expression and activity of Nrf2 and downstream genes were time-dependently decreased (P < 0.05). Moreover, significant mitochondrial depolarization, decreased ATP levels, and mitochondrial permeabilization were detected in bile duct-ligated rats (P < 0.05). Histopathological alterations included liver necrosis, fibrosis, inflammation and kidney interstitial inflammation, and cast formation. It was found that dimethyl fumarate significantly decreased hepatic and renal injury in cholestatic animals (P < 0.05). Based on these data, the activation of the cellular antioxidant response could serve as an efficient therapeutic option for managing cholestasis-induced organ injury.
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Affiliation(s)
- Khadijeh Mousavi
- Department of Bio-informatics, College of Life Sciences, Shanxi Agricultural University, Taigu, Shanxi 030801, China
- Department of Pharmacology and Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz 7146864685, Iran
| | - Hossein Niknahad
- Department of Bio-informatics, College of Life Sciences, Shanxi Agricultural University, Taigu, Shanxi 030801, China
- Department of Pharmacology and Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz 7146864685, Iran
| | - Huifeng Li
- Shanxi Key Laboratory of Environmental Veterinary Medicine, College of Animal Sciences and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Zhipeng Jia
- Shanxi Key Laboratory of Environmental Veterinary Medicine, College of Animal Sciences and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Ram Kumar Manthari
- Department of Biotechnology, GITAM Institute of Science, Visakhapatnam, Gandhi Institute of Technology and Management, Andhra Pradesh 530045, India
| | - Yangfei Zhao
- Shanxi Key Laboratory of Environmental Veterinary Medicine, College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Xiong Shi
- Shanxi Key Laboratory of Environmental Veterinary Medicine, College of Animal Sciences and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Yuanyu Chen
- Shanxi Key Laboratory of Environmental Veterinary Medicine, College of Animal Sciences and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Asrin Ahmadi
- Department of Pharmacology and Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz 7146864685, Iran
| | - Negar Azarpira
- Transplant Research Center, Shiraz University of Medical Sciences, Shiraz 7146864685, Iran
| | - Bahman Khalvati
- Cellular and Molecular Research Center, Yasuj University of Medical Sciences, Yasuj 75919-51176, Iran
| | - Mohammad Mehdi Ommati
- Department of Bio-informatics, College of Life Sciences, Shanxi Agricultural University, Taigu, Shanxi 030801, China
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz 7146864685, Iran
| | - Reza Heidari
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz 7146864685, Iran
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14
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Shavakandi SM, Ranjbaran M, Nabavizadeh F, Vali R, Sehati F, Ashabi G. Dimethyl fumarate protects the aged brain following chronic cerebral hypoperfusion-related ischemia in rats in Nrf2-dependent manner. Nutr Neurosci 2021; 25:2100-2110. [PMID: 34148507 DOI: 10.1080/1028415x.2021.1940429] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
It has been stated that chronic cerebral hypoperfusion (CCH) markedly prompts neuronal damage and affects cognition. Dimethyl fumarate (DMF), a nuclear erythroid 2-related factor 2 (Nrf2) activator, represents a class of molecules exhibiting neuroprotection. We explored the effect of DMF on CCH using a model of permanent left common carotid occlusion. The left common carotid artery was occluded and then DMF (100mg.kg-1) was orally administrated three times per week for four consecutive weeks. Behavioral rests, PET imaging and Hematoxylin and Eosin staining, were examined and also, the hippocampal level of inflammatory, Nrf2 antioxidant, neuronal plasticity and apoptotic factors were determined using Western blot analysis and related ELISA kits. The neurological deficit scores were significantly reduced in the treatment group compared with the CCH group (P<0.001). DMF decreased the novel object recognition index (NOR) compared with the CCH group, while CCH + DMF increased the NOR compared with the CCH group (P<0.001). CCH + DMF reduces the ratio of Bax/Bcl2 and capase-3 activity in comparison to the CCH group (P<0.001). Treatment with DMF increased Nrf2, NAD(P)H dehydrogenase-1 and Heme oxygenase-1 and decreased Tumor necrosis factor α and Nuclear factor-κB density compared with the CCH group (P<0.001). A significant increase in brain-derived neurotrophic factor and c-fos was found in DMF-treated rats compared with the CCH group (P<0.001). Also, retinoic acid inhibits Nrf2 activation via DMF and increases inflammatory factors in hypoperfused rats' hippocampus compared with the CCH group (P<0.001). Long-term DMF treatment induces the Nrf2 pathway and has beneficial effects on memory and motility in CCH.
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Affiliation(s)
| | - Mina Ranjbaran
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Nabavizadeh
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Reyhaneh Vali
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Fardin Sehati
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ghorbangol Ashabi
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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15
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Li H, Shen X, Tong Y, Ji T, Feng Y, Tang Y, Mai R, Ye J, Que T, Luo X. Aggravation of hepatic ischemia‑reperfusion injury with increased inflammatory cell infiltration is associated with the TGF‑β/Smad3 signaling pathway. Mol Med Rep 2021; 24:580. [PMID: 34132369 PMCID: PMC8223105 DOI: 10.3892/mmr.2021.12219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 05/18/2021] [Indexed: 11/06/2022] Open
Abstract
Ischemia‑reperfusion (IR) injury is a major challenge influencing the outcomes of hepatic transplantation. Transforming growth factor‑β (TGF‑β) and its downstream gene, SMAD family member 3 (Smad3), have been implicated in the pathogenesis of chronic hepatic injuries, such as hepatic fibrosis. Thus, the present study aimed to investigate the role of the TGF‑β/Smad3 signaling pathway on hepatic injury induced by IR in vivo. In total, 20 129S2/SvPasCrl wild‑type (WT) mice were randomized into two groups; 10 mice underwent IR injury surgery and 10 mice were sham‑operated. Histopathological changes in liver tissues and serum levels of alanine aminotransferase (ALT) were examined to confirm hepatic injury caused by IR surgery. The expression levels of TGF‑β1, Smad3 and phosphorylated‑Smad3 (p‑Smad3) were detected via western blotting. Furthermore, a total of five Smad3‑/‑ 129S2/SvPasCrl mice (Smad3‑/‑ mice) and 10 Smad3+/+ littermates received IR surgery, while another five Smad3‑/‑ mice and 10 Smad3+/+ littermates received the sham operation. Histopathological changes in liver tissues and serum levels of ALT were then compared between the groups. Furthermore, hepatic apoptosis and inflammatory cell infiltration after IR were evaluated in the liver tissues of Smad3‑/‑ mice and Smad3+/+ mice. The results demonstrated that the expression levels of TGF‑β1, Smad3 and p‑Smad3 were elevated in hepatic tissue from WT mice after IR injury. Aggravated hepatic injury, increased apoptosis and enhanced inflammatory cell infiltration induced by hepatic IR injury were observed in the Smad3‑/‑ mice compared with in Smad3+/+ mice. Collectively, the current findings suggested that activation of the TGF‑β/Smad3 signaling pathway was present alongside the hepatic injury induced by IR. However, the TGF‑β/Smad3 signaling pathway may have an effect on protecting against liver tissue damage caused by IR injury in vivo.
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Affiliation(s)
- Haixia Li
- Department of Immunology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Xiaoyun Shen
- Key Laboratory of Endoscopic Technology Research, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310016, P.R. China
| | - Yifan Tong
- Key Laboratory of Endoscopic Technology Research, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310016, P.R. China
| | - Tong Ji
- Key Laboratory of Endoscopic Technology Research, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310016, P.R. China
| | - Yan Feng
- Research Department, Affiliated Tumor Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Yanping Tang
- Research Department, Affiliated Tumor Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Rongyun Mai
- Research Department, Affiliated Tumor Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Jiaxiang Ye
- Department of Immunology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Ting Que
- Department of Immunology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Xiaoling Luo
- Department of Immunology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
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16
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Zhao S, Cheng CK, Zhang CL, Huang Y. Interplay Between Oxidative Stress, Cyclooxygenases, and Prostanoids in Cardiovascular Diseases. Antioxid Redox Signal 2021; 34:784-799. [PMID: 32323554 DOI: 10.1089/ars.2020.8105] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Significance: Endothelial cells lining the lumen of blood vessels play an important role in the regulation of cardiovascular functions through releasing both vasoconstricting and vasodilating factors. The production and function of vasoconstricting factors are largely elevated in hypertension, diabetes, atherosclerosis, and ischemia/reperfusion injuries. Cyclooxygenases (COXs) are the major enzymes producing five different prostanoids that act as either contracting or relaxing substances. Under conditions of increased oxidative stress, the expressions and activities of COX isoforms are altered, resulting in changes in production of various prostanoids and thus affecting vascular tone. This review briefly summarizes the relationship between oxidative stress, COXs, and prostanoids, thereby providing new insights into the pathophysiological mechanisms of cardiovascular diseases (CVDs). Recent Advances: Many new drugs targeting oxidative stress, COX-2, and prostanoids against common CVDs have been evaluated in recent years and they are summarized in this review. Critical Issues: Comprehensive understanding of the complex interplay between oxidative stress, COXs, and prostanoids in CVDs helps develop more effective measures against cardiovascular pathogenesis. Future Directions: Apart from minimizing the undesired effects of harmful prostanoids, future studies shall investigate the restoration of vasoprotective prostanoids as a means to combat CVDs. Antioxid. Redox Signal. 34, 784-799.
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Affiliation(s)
- Sha Zhao
- Heart and Vascular Institute and School of Biomedical Sciences, Chinese University of Hong Kong, Hong Kong SAR, China
| | - Chak Kwong Cheng
- Heart and Vascular Institute and School of Biomedical Sciences, Chinese University of Hong Kong, Hong Kong SAR, China
| | - Cheng-Lin Zhang
- Heart and Vascular Institute and School of Biomedical Sciences, Chinese University of Hong Kong, Hong Kong SAR, China
| | - Yu Huang
- Heart and Vascular Institute and School of Biomedical Sciences, Chinese University of Hong Kong, Hong Kong SAR, China
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17
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Gendy A, Soubh A, Al-Mokaddem A, Kotb El-Sayed M. Dimethyl fumarate protects against intestinal ischemia/reperfusion lesion: Participation of Nrf2/HO-1, GSK-3β and Wnt/β-catenin pathway. Biomed Pharmacother 2021; 134:111130. [PMID: 33348309 DOI: 10.1016/j.biopha.2020.111130] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/07/2020] [Accepted: 12/08/2020] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVE Dimethyl fumarate (DMFU), a known Nrf2 activator, has proven its positive effect in different organs against ischemia/reperfusion (Is/Re) injury. Nevertheless, its possible impact to modulate intestinal Is/Re-induced injury has not been previously demonstrated before. Hence, this study aimed to investigate DMFU mechanistic maneuver against intestinal Is/Re. METHODS To accomplish this goal, Wistar rats were allocated into four groups; Sham-operated (SOP), intestinal Is/Re (1 h/6 h), and 14 days pre-treated DMFU (15 and 25 mg/kg/day, p.o). RESULTS The mechanistic maneuver divulged that DMFU safeguarded the intestine partly via amplifying the expression/content of Nrf2 along with enhancing its downstream, HO-1 expression/content. In addition, DMFU lessened GSK-3β expression/content accompanied by enriching β-catenin expression/content. The antioxidant action was affirmed by enhancing total antioxidant capacity, besides reducing MDA, iNOS, and its by-product, NOx. The DMFU action entailed anti-inflammatory character manifested by down-regulation of expression/content NF-κB with subsequent rebating the contents of TNF-α, IL-1β, and P-selectin, as well as MPO activity. Moreover, DMFU had anti-apoptotic nature demonstrated through enriching Bcl-2 level and diminishing that of caspase-3. CONCLUSION DMFU purveyed tenable novel protective mechanisms and mitigated events associated with intestinal Is/Re mischief either in the lower or the high dose partly by amending of oxidative stress and inflammation through the modulation of Nrf2/HO-1, GSK-3β, and Wnt/β-catenin pathways.
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Affiliation(s)
- Abdallah Gendy
- Pharmacology and Toxicology Department, Faculty of Pharmacy, October 6 University, Giza, 12585, Egypt.
| | - Ayman Soubh
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Ahram Canadian University, Giza, 12566, Egypt
| | - Asmaa Al-Mokaddem
- Pathology Department, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Mohamed Kotb El-Sayed
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Helwan, 11790, Egypt
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18
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Li S, Vaziri ND, Swentek L, Takasu C, Vo K, Stamos MJ, Ricordi C, Ichii H. Prevention of Autoimmune Diabetes in NOD Mice by Dimethyl Fumarate. Antioxidants (Basel) 2021; 10:antiox10020193. [PMID: 33572792 PMCID: PMC7912218 DOI: 10.3390/antiox10020193] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Revised: 01/25/2021] [Accepted: 01/26/2021] [Indexed: 12/20/2022] Open
Abstract
Oxidative stress plays critical roles in the pathogenesis of diabetes. This study tested the hypothesis that by protecting β-cells against oxidative stress and inflammation, an Nrf2 activator, dimethyl fumarate (DMF), may prevent or delay the onset of type 1 diabetes in non-obese diabetic (NOD) mice. Firstly, islet isolation was conducted to confirm the antioxidative effects of DMF oral administration on islet cells. Secondly, in a spontaneous diabetes model, DMF (25 mg/kg) was fed to mice once daily starting at the age of 8 weeks up to the age of 22 weeks. In a cyclophosphamide-induced accelerated diabetes model, DMF (25 mg/kg) was fed to mice twice daily for 2 weeks. In the islet isolation study, DMF administration improved the isolation yield, attenuated oxidative stress and enhanced GCLC and NQO1 expression in the islets. In the spontaneous model, DMF significantly reduced the onset of diabetes compared to the control group (25% vs. 54.2%). In the accelerated model, DMF reduced the onset of diabetes from 58.3% to 16.7%. The insulitis score in the islets of the DMF treatment group (1.6 ± 0.32) was significantly lower than in the control group (3.47 ± 0.21). The serum IL-1α, IL-1β, IL-2, IL-4, IL-5, IL-6, IL-9, IL-12p70, IFN-γ, TNF-α, MCP-1 and CXCL16 levels in the DMF-treated group were lower than in the control group. In conclusion, DMF may protect islet cells and reduce the incidence of autoimmune diabetes in NOD mice by attenuating insulitis and proinflammatory cytokine production.
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Affiliation(s)
- Shiri Li
- Department of Surgery, University of California, Irvine, CA 92868, USA; (L.S.); (C.T.); (K.V.); (M.J.S.)
- Correspondence: (S.L.); (H.I.); Tel.: +1-714-456-5160 (S.L.); +1-714-456-8698 (H.I.)
| | | | - Lourdes Swentek
- Department of Surgery, University of California, Irvine, CA 92868, USA; (L.S.); (C.T.); (K.V.); (M.J.S.)
| | - Chie Takasu
- Department of Surgery, University of California, Irvine, CA 92868, USA; (L.S.); (C.T.); (K.V.); (M.J.S.)
| | - Kelly Vo
- Department of Surgery, University of California, Irvine, CA 92868, USA; (L.S.); (C.T.); (K.V.); (M.J.S.)
| | - Michael J. Stamos
- Department of Surgery, University of California, Irvine, CA 92868, USA; (L.S.); (C.T.); (K.V.); (M.J.S.)
| | - Camillo Ricordi
- Cell Transplant Center, Diabetes Research Institute, University of Miami, Miami, FL 33136, USA;
| | - Hirohito Ichii
- Department of Surgery, University of California, Irvine, CA 92868, USA; (L.S.); (C.T.); (K.V.); (M.J.S.)
- Correspondence: (S.L.); (H.I.); Tel.: +1-714-456-5160 (S.L.); +1-714-456-8698 (H.I.)
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19
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Timpani CA, Rybalka E. Calming the (Cytokine) Storm: Dimethyl Fumarate as a Therapeutic Candidate for COVID-19. Pharmaceuticals (Basel) 2020; 14:15. [PMID: 33375288 PMCID: PMC7824470 DOI: 10.3390/ph14010015] [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: 11/14/2020] [Revised: 12/23/2020] [Accepted: 12/23/2020] [Indexed: 12/15/2022] Open
Abstract
COVID-19 has rapidly spread worldwide and incidences of hospitalisation from respiratory distress are significant. While a vaccine is in the pipeline, there is urgency for therapeutic options to address the immune dysregulation, hyperinflammation and oxidative stress that can lead to death. Given the shared pathogenesis of severe cases of COVID-19 with aspects of multiple sclerosis and psoriasis, we propose dimethyl fumarate as a viable treatment option. Currently approved for multiple sclerosis and psoriasis, dimethyl fumarate is an immunomodulatory, anti-inflammatory and anti-oxidative drug that could be rapidly implemented into the clinic to calm the cytokine storm which drives severe COVID-19.
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Affiliation(s)
- Cara A. Timpani
- Institute for Health and Sport, Victoria University, Melbourne, VIC 8001, Australia;
- Australian Institute for Musculoskeletal Science, St Albans, VIC 3021, Australia
| | - Emma Rybalka
- Institute for Health and Sport, Victoria University, Melbourne, VIC 8001, Australia;
- Australian Institute for Musculoskeletal Science, St Albans, VIC 3021, Australia
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20
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Kuang Y, Zhang Y, Xiao Z, Xu L, Wang P, Ma Q. Protective effect of dimethyl fumarate on oxidative damage and signaling in cardiomyocytes. Mol Med Rep 2020; 22:2783-2790. [PMID: 32945364 PMCID: PMC7453509 DOI: 10.3892/mmr.2020.11342] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Accepted: 06/26/2020] [Indexed: 12/14/2022] Open
Abstract
Myocardial ischemia/reperfusion (I/R) injury contributes to the pathogenesis of numerous diseases. Based on its antioxidant and anti‑inflammatory effects, dimethyl fumarate (DMF) has been reported to exert protective effects against I/R. However, to the best of our knowledge, its potential role as a myocardial protective agent in heart disease has received little attention. Previous studies have suggested that DMF may exert its protective effects by activating nuclear factor erythroid 2‑related factor 2 (Nrf2); however, the exact underlying mechanisms remain to be elucidated. The aim of the present study was to investigate the protective role of DMF in myocardial I/R injury, and to determine the role of Nrf2 in mediating the activity of DMF. H9c2 cells were incubated with DMF (20 µM) for 24 h before establishing the I/R model, and were then subjected to myocardial ischemia for 6 h, followed by reperfusion. Cell viability, lactate dehydrogenase levels, anti‑oxidant enzyme expression levels and anti‑apoptotic effects were evaluated, and AKT/Nrf2 pathway‑associated mechanisms were investigated. The results of the present study indicated that DMF may reduce myocardial I/R injury in a Nrf2‑dependent manner. DMF significantly improved cellular viability, suppressed the expression of apoptotic markers, decreased the production of reactive oxygen species and increased the expression of Nrf2‑regulated antioxidative genes. Notably, these beneficial DMF‑mediated effects were not observed in the control or I/R groups. In conclusion, the results of the present study suggested that DMF may exert protective effects against a myocardial I/R model, and further validated Nrf2 modulation as a primary mode of action. Thus suggesting that DMF may be a potential therapeutic agent for AKT/Nrf2 pathway activation in myocardial, and potentially systemic, diseases.
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Affiliation(s)
- Yuanyuan Kuang
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Yinzhuang Zhang
- Department of Cardiovascular Medicine, The First Hospital of Changsha, Changsha, Hunan 410005, P.R. China
| | - Zhen Xiao
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Lijun Xu
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Ping Wang
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Qilin Ma
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
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21
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Kortam MA, Ali BM, Fathy N. The deleterious effect of stress-induced depression on rat liver: Protective role of resveratrol and dimethyl fumarate via inhibiting the MAPK/ERK/JNK pathway. J Biochem Mol Toxicol 2020; 35:e22627. [PMID: 32905656 DOI: 10.1002/jbt.22627] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 07/22/2020] [Accepted: 08/28/2020] [Indexed: 12/21/2022]
Abstract
This study aimed to uncover the protective potentiality of resveratrol and dimethyl fumarate (DMF) in the liver of a chronic unpredictable mild stress (CUMS)-induced depression animal model. Resveratrol and DMF significantly alleviated CUMS-induced behavioral abnormalities in stressed rats through improving sucrose preference in sucrose preference test and decreasing immobility time in a forced swimming test. They also mitigated serum corticosterone levels and elevated serum serotonin levels, which were formerly disturbed in CUMS rats. The hepatoprotective effect is evidenced by improvement in hepatic histopathological examinations, as well as normalized serum alanine aminotransferase and aspartate aminotransferase activities. Molecular signaling of resveratrol and DMF was estimated by diminishing hepatic expression of phosphorylated p38 mitogen-activated protein kinase (MAPK), extracellular signal-regulated kinase1/2 (ERK1/2), and c-Jun N-terminal kinase (JNK). Consequently, they improved the hepatic antioxidant and anti-inflammatory activities as elaborated by the normalization of total antioxidant capacity, glutathione, malondialdehyde, nuclear factor-κB, tumor necrosis factor-α, and myeloperoxidase levels. In addition, they inhibited hepatocyte apoptosis as evidenced by the increased expression of B-cell lymphoma 2, the decreased expression of Bax, as well as the suppressed activity of caspase-3. In conclusion, resveratrol and DMF purveyed a significant anti-depressant effect, which may be mediated, at least in part, via inhibiting the MAPK/ERK/JNK pathway in the CUMS rat model.
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Affiliation(s)
- Mona A Kortam
- Department of Biochemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Bassam Mohamed Ali
- Department of Biochemistry, Faculty of Pharmacy, 6th of October University, Cairo, Egypt
| | - Nevine Fathy
- Department of Biochemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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22
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Cienfuegos-Pecina E, Ibarra-Rivera TR, Saucedo AL, Ramírez-Martínez LA, Esquivel-Figueroa D, Domínguez-Vázquez I, Alcántara-Solano KJ, Moreno-Peña DP, Alarcon-Galvan G, Rodríguez-Rodríguez DR, Torres-González L, Muñoz-Espinosa LE, Pérez-Rodríguez E, Cordero-Pérez P. Effect of sodium ( S)-2-hydroxyglutarate in male, and succinic acid in female Wistar rats against renal ischemia-reperfusion injury, suggesting a role of the HIF-1 pathway. PeerJ 2020; 8:e9438. [PMID: 32728491 PMCID: PMC7357568 DOI: 10.7717/peerj.9438] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 06/08/2020] [Indexed: 12/30/2022] Open
Abstract
Background Ischemia–reperfusion (IR) injury is the main cause of delayed graft function in solid organ transplantation. Hypoxia-inducible factors (HIFs) control the expression of genes related to preconditioning against IR injury. During normoxia, HIF-α subunits are marked for degradation by the egg-laying defective nine homolog (EGLN) family of prolyl-4-hydroxylases. The inhibition of EGLN stabilizes HIFs and protects against IR injury. The aim of this study was to determine whether the EGLN inhibitors sodium (S)-2-hydroxyglutarate [(S)-2HG] and succinic acid (SA) have a nephroprotective effect against renal IR injury in Wistar rats. Methods (S)-2HG was synthesized in a 22.96% yield from commercially available L-glutamic acid in a two-step methodology (diazotization/alkaline hydrolysis), and its structure was confirmed by nuclear magnetic resonance and polarimetry. SA was acquired commercially. (S)-2HG and SA were independently evaluated in male and female Wistar rats respectively after renal IR injury. Rats were divided into the following groups: sham (SH), nontoxicity [(S)-2HG: 12.5 or 25 mg/kg; SA: 12.5, 25, or 50 mg/kg], IR, and compound+IR [(S)-2HG: 12.5 or 25 mg/kg; SA: 12.5, 25, or 50 mg/kg]; independent SH and IR groups were used for each assessed compound. Markers of kidney injury (BUN, creatinine, glucose, and uric acid) and liver function (ALT, AST, ALP, LDH, serum proteins, and albumin), proinflammatory cytokines (IL-1β, IL-6, and TNF-α), oxidative stress biomarkers (malondialdehyde and superoxide dismutase), and histological parameters (tubular necrosis, acidophilic casts, and vascular congestion) were assessed. Tissue HIF-1α was measured by ELISA and Western blot, and the expression of Hmox1 was assessed by RT-qPCR. Results (S)-2HG had a dose-dependent nephroprotective effect, as evidenced by a significant reduction in the changes in the BUN, creatinine, ALP, AST, and LDH levels compared with the IR group. Tissue HIF-1α was only increased in the IR group compared to SH; however, (S)-2HG caused a significant increase in the expression of Hmox1, suggesting an early accumulation of HIF-1α in the (S)-2HG-treated groups. There were no significant effects on the other biomarkers. SA did not show a nephroprotective effect; the only changes were a decrease in creatinine level at 12.5 mg/kg and increased IR injury at 50 mg/kg. There were no effects on the other biochemical, proinflammatory, or oxidative stress biomarkers. Conclusion None of the compounds were hepatotoxic at the tested doses. (S)-2HG showed a dose-dependent nephroprotective effect at the evaluated doses, which involved an increase in the expression of Hmox1, suggesting stabilization of HIF-1α. SA did not show a nephroprotective effect but tended to increase IR injury when given at high doses.
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Affiliation(s)
- Eduardo Cienfuegos-Pecina
- Universidad Autonoma de Nuevo Leon, Liver Unit, Department of Internal Medicine, University Hospital "Dr. José E. González", Monterrey, Nuevo León, Mexico
| | - Tannya R Ibarra-Rivera
- Universidad Autonoma de Nuevo Leon, Department of Analytical Chemistry, School of Medicine, Monterrey, Nuevo León, Mexico
| | - Alma L Saucedo
- Universidad Autonoma de Nuevo Leon, Department of Analytical Chemistry, School of Medicine, Monterrey, Nuevo León, Mexico
| | - Luis A Ramírez-Martínez
- Universidad Autonoma de Nuevo Leon, Liver Unit, Department of Internal Medicine, University Hospital "Dr. José E. González", Monterrey, Nuevo León, Mexico
| | - Deanna Esquivel-Figueroa
- Universidad Autonoma de Nuevo Leon, Liver Unit, Department of Internal Medicine, University Hospital "Dr. José E. González", Monterrey, Nuevo León, Mexico
| | - Ixel Domínguez-Vázquez
- Universidad Autonoma de Nuevo Leon, Liver Unit, Department of Internal Medicine, University Hospital "Dr. José E. González", Monterrey, Nuevo León, Mexico
| | - Karina J Alcántara-Solano
- Universidad Autonoma de Nuevo Leon, Liver Unit, Department of Internal Medicine, University Hospital "Dr. José E. González", Monterrey, Nuevo León, Mexico
| | - Diana P Moreno-Peña
- Universidad Autonoma de Nuevo Leon, Liver Unit, Department of Internal Medicine, University Hospital "Dr. José E. González", Monterrey, Nuevo León, Mexico
| | - Gabriela Alarcon-Galvan
- Universidad de Monterrey, Basic Science Department, School of Medicine, Monterrey, Nuevo León, Mexico
| | - Diana Raquel Rodríguez-Rodríguez
- Universidad Autonoma de Nuevo Leon, Liver Unit, Department of Internal Medicine, University Hospital "Dr. José E. González", Monterrey, Nuevo León, Mexico
| | - Liliana Torres-González
- Universidad Autonoma de Nuevo Leon, Liver Unit, Department of Internal Medicine, University Hospital "Dr. José E. González", Monterrey, Nuevo León, Mexico
| | - Linda E Muñoz-Espinosa
- Universidad Autonoma de Nuevo Leon, Liver Unit, Department of Internal Medicine, University Hospital "Dr. José E. González", Monterrey, Nuevo León, Mexico
| | - Edelmiro Pérez-Rodríguez
- Universidad Autonoma de Nuevo Leon, Transplant Service, University Hospital "Dr. José E. González", Monterrey, Nuevo León, Mexico
| | - Paula Cordero-Pérez
- Universidad Autonoma de Nuevo Leon, Liver Unit, Department of Internal Medicine, University Hospital "Dr. José E. González", Monterrey, Nuevo León, Mexico
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Zhao J, Cheng Z, Quan X, Xie Z, Zhang L, Ding Z. Dimethyl fumarate protects cardiomyocytes against oxygen-glucose deprivation/reperfusion (OGD/R)-induced inflammatory response and damages via inhibition of Egr-1. Int Immunopharmacol 2020; 86:106733. [PMID: 32645629 DOI: 10.1016/j.intimp.2020.106733] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 06/05/2020] [Accepted: 06/21/2020] [Indexed: 02/07/2023]
Abstract
Acute myocardial infarction (AMI) is associated with high rates of morbidity and mortality. Atherosclerosis is among the leading causes of AMI. The rupture or erosion of atherosclerotic plaques can obstruct coronary arteries, thereby leading to an acute inflammatory reaction to ischemic injury and cardiomyocyte apoptosis. Dimethyl fumarate (DMF) is a fumaric acid diester which is used for the treatment of psoriasis and multiple sclerosis. DMF is most well-known for its modulatory actions on the Nrf2 and NF-κB cellular signaling pathways. In the present study, we employed an oxygen-glucose deprivation/reoxygenation (OGD/R) model of myocardial ischemia/reperfusion injury using H9c2 cardiomyocytes to assess the potential protective effects of DMF. We found that DMF significantly improved cell viability and reduced the expression of pro-inflammatory cytokines and chemokines, including IL-6, IL-8, and MCP-1. We further demonstrated an antioxidant effect of DMF via reduced production of ROS, which was mediated through NOX4 inhibition. Tissue factor and ICAM-1 play a major role in left ventricular remodeling. DMF inhibited the expression of TF and ICAM-1 induced by OGD/R, which we demonstrated to be mediated through the Egr-1 signaling pathway, as silencing of Egr-1 suppressed the expression of TF and ICAM-1. Together, these findings demonstrate a potential role for DMF in the treatment of myocardial infarction.
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Affiliation(s)
- Jian Zhao
- Department of Cardiovascular Surgery, People's Hospital of Zhengzhou University, Henan Provincial People's Hospital, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan 450000, China
| | - Zhaoyun Cheng
- Department of Cardiovascular Surgery, People's Hospital of Zhengzhou University, Henan Provincial People's Hospital, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan 450000, China
| | - Xiaoqiang Quan
- Department of Cardiovascular Surgery, People's Hospital of Zhengzhou University, Henan Provincial People's Hospital, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan 450000, China.
| | - Zhouliang Xie
- Department of Cardiovascular Surgery, People's Hospital of Zhengzhou University, Henan Provincial People's Hospital, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan 450000, China
| | - Leilei Zhang
- Department of Cardiovascular Surgery, People's Hospital of Zhengzhou University, Henan Provincial People's Hospital, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan 450000, China
| | - Zhiwei Ding
- Department of Cardiovascular Surgery, People's Hospital of Zhengzhou University, Henan Provincial People's Hospital, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan 450000, China
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24
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Sangineto M, Grabherr F, Adolph TE, Grander C, Reider S, Jaschke N, Mayr L, Schwärzler J, Dallio M, Moschen AR, Moschetta A, Sabbà C, Tilg H. Dimethyl fumarate ameliorates hepatic inflammation in alcohol related liver disease. Liver Int 2020; 40:1610-1619. [PMID: 32306456 PMCID: PMC7383968 DOI: 10.1111/liv.14483] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 03/25/2020] [Accepted: 04/14/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND & AIMS Alcohol-related liver disease (ALD) comprises different liver disorders which impose a health care issue. ALD and particularly alcoholic steatohepatitis, an acute inflammatory condition, cause a substantial morbidity and mortality as effective treatment options remain elusive. Inflammation in ALD is fuelled by macrophages (Kupffer cells [KCs]) which are activated by intestinal pathogen associated molecular patterns, eg lipopolysaccharide (LPS), disseminated beyond a defective intestinal barrier. We hypothesized that the immunomodulator dimethyl-fumarate (DMF), which is approved for the treatment of human inflammatory conditions such as multiple sclerosis or psoriasis, ameliorates the course of experimental ALD. METHODS Dimethyl-fumarate or vehicle was orally administered to wild-type mice receiving a Lieber-DeCarli diet containing 5% ethanol for 15 days. Liver injury, steatosis and inflammation were evaluated by histology, biochemical- and immunoassays. Moreover, we investigated a direct immunosuppressive effect of DMF on KCs and explored a potential impact on ethanol-induced intestinal barrier disruption. RESULTS Dimethyl-fumarate protected against ethanol-induced hepatic injury, steatosis and inflammation in mice. Specifically, we observed reduced hepatic triglyceride and ALT accumulation, reduced hepatic expression of inflammatory cytokines (Tnf-α, Il-1β, Cxcl1) and reduced abundance of neutrophils and macrophages in ethanol-fed and DMF-treated mice when compared to vehicle. DMF protected against ethanol-induced barrier disruption and abrogated systemic LPS concentration. In addition, DMF abolished LPS-induced cytokine responses of KCs. CONCLUSIONS Dimethyl-fumarate counteracts ethanol-induced barrier dysfunction, suppresses inflammatory responses of KCs and ameliorates hepatic inflammation and steatosis, hallmarks of experimental ALD. Our data indicates that DMF treatment might be beneficial in human ALD and respective clinical trials are eagerly awaited.
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Affiliation(s)
- Moris Sangineto
- Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology & MetabolismMedical University InnsbruckInnsbruckAustria,Department of Interdisciplinary MedicineUniversity of BariBariItaly
| | - Felix Grabherr
- Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology & MetabolismMedical University InnsbruckInnsbruckAustria
| | - Timon E. Adolph
- Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology & MetabolismMedical University InnsbruckInnsbruckAustria
| | - Christoph Grander
- Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology & MetabolismMedical University InnsbruckInnsbruckAustria
| | - Simon Reider
- Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology & MetabolismMedical University InnsbruckInnsbruckAustria,Christian Doppler Laboratory for Mucosal ImmunologyMedical University InnsbruckInnsbruckAustria
| | - Nikolai Jaschke
- Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology & MetabolismMedical University InnsbruckInnsbruckAustria
| | - Lisa Mayr
- Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology & MetabolismMedical University InnsbruckInnsbruckAustria
| | - Julian Schwärzler
- Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology & MetabolismMedical University InnsbruckInnsbruckAustria
| | - Marcello Dallio
- Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology & MetabolismMedical University InnsbruckInnsbruckAustria,Department of Precision MedicineUniversity of Campania “L. Vanvitelli”NaplesItaly
| | - Alexander R. Moschen
- Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology & MetabolismMedical University InnsbruckInnsbruckAustria,Christian Doppler Laboratory for Mucosal ImmunologyMedical University InnsbruckInnsbruckAustria
| | | | - Carlo Sabbà
- Department of Interdisciplinary MedicineUniversity of BariBariItaly
| | - Herbert Tilg
- Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology & MetabolismMedical University InnsbruckInnsbruckAustria
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25
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Inoue Y, Uchiyama A, Sekiguchi A, Yamazaki S, Fujiwara C, Yokoyama Y, Ogino S, Torii R, Hosoi M, Akai R, Iwawaki T, Ishikawa O, Motegi S. Protective effect of dimethyl fumarate for the development of pressure ulcers after cutaneous ischemia‐reperfusion injury. Wound Repair Regen 2020; 28:600-608. [DOI: 10.1111/wrr.12824] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 04/22/2020] [Accepted: 04/23/2020] [Indexed: 12/29/2022]
Affiliation(s)
- Yuta Inoue
- Department of Dermatology Gunma University Graduate School of Medicine Maebashi Japan
| | - Akihiko Uchiyama
- Department of Dermatology Gunma University Graduate School of Medicine Maebashi Japan
| | - Akiko Sekiguchi
- Department of Dermatology Gunma University Graduate School of Medicine Maebashi Japan
| | - Sahori Yamazaki
- Department of Dermatology Gunma University Graduate School of Medicine Maebashi Japan
| | - Chisako Fujiwara
- Department of Dermatology Gunma University Graduate School of Medicine Maebashi Japan
| | - Yoko Yokoyama
- Department of Dermatology Gunma University Graduate School of Medicine Maebashi Japan
| | - Sachiko Ogino
- Department of Dermatology Gunma University Graduate School of Medicine Maebashi Japan
| | - Ryoko Torii
- Department of Dermatology Gunma University Graduate School of Medicine Maebashi Japan
| | - Mari Hosoi
- Department of Dermatology Gunma University Graduate School of Medicine Maebashi Japan
| | - Ryoko Akai
- Division of Cell Medicine, Department of Life Science Medical Research Institute, Kanazawa Medical University Ishikawa Japan
| | - Takao Iwawaki
- Division of Cell Medicine, Department of Life Science Medical Research Institute, Kanazawa Medical University Ishikawa Japan
| | - Osamu Ishikawa
- Department of Dermatology Gunma University Graduate School of Medicine Maebashi Japan
| | - Sei‐ichiro Motegi
- Department of Dermatology Gunma University Graduate School of Medicine Maebashi Japan
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26
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Li S, Takasu C, Lau H, Robles L, Vo K, Farzaneh T, Vaziri ND, Stamos MJ, Ichii H. Dimethyl Fumarate Alleviates Dextran Sulfate Sodium-Induced Colitis, through the Activation of Nrf2-Mediated Antioxidant and Anti-inflammatory Pathways. Antioxidants (Basel) 2020; 9:antiox9040354. [PMID: 32344663 PMCID: PMC7222424 DOI: 10.3390/antiox9040354] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 04/21/2020] [Accepted: 04/22/2020] [Indexed: 01/09/2023] Open
Abstract
Oxidative stress and chronic inflammation play critical roles in the pathogenesis of ulcerative colitis (UC) and inflammatory bowel diseases (IBD). A previous study has demonstrated that dimethyl fumarate (DMF) protects mice from dextran sulfate sodium (DSS)-induced colitis via its potential antioxidant capacity, and by inhibiting the activation of the NOD-, LRR- and pyrin domain-containing protein 3 (NLRP3) inflammasome. This study aims to clarify the nuclear factor erythroid 2-related factor 2/antioxidant responsive element (Nrf2/ARE) pathway pharmacological activation and anti-inflammatory effect by DMF, through focusing on other crucial antioxidant enzymes and inflammatory mediator, including glutamate-cysteine ligase catalytic subunit (GCLC), glutathione peroxidase (GPX) and cyclooxygenase-2 (COX-2), in a DSS-induced colitis mouse model. The oral administration of DMF attenuated the shortening of colons and alleviated colonic inflammation. Furthermore, the expression of key antioxidant enzymes, including GCLC and GPX, in the colonic tissue were significantly increased by DMF administration. In addition, protein expression of the inflammatory mediator, COX-2, was reduced by DMF administration. Our results suggest that DMF alleviates DSS-induced colonic inflammatory damage, likely via up-regulating GCLC and GPX and down-regulating COX-2 protein expression in colonic tissue.
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Affiliation(s)
- Shiri Li
- Department of Surgery, University of California, Irvine, CA 92868, USA; (S.L.); (C.T.); (H.L.); (L.R.); (K.V.); (M.J.S.)
| | - Chie Takasu
- Department of Surgery, University of California, Irvine, CA 92868, USA; (S.L.); (C.T.); (H.L.); (L.R.); (K.V.); (M.J.S.)
| | - Hien Lau
- Department of Surgery, University of California, Irvine, CA 92868, USA; (S.L.); (C.T.); (H.L.); (L.R.); (K.V.); (M.J.S.)
| | - Lourdes Robles
- Department of Surgery, University of California, Irvine, CA 92868, USA; (S.L.); (C.T.); (H.L.); (L.R.); (K.V.); (M.J.S.)
| | - Kelly Vo
- Department of Surgery, University of California, Irvine, CA 92868, USA; (S.L.); (C.T.); (H.L.); (L.R.); (K.V.); (M.J.S.)
| | - Ted Farzaneh
- Department of Pathology, University of California, Irvine, CA 92868, USA;
| | | | - Michael J. Stamos
- Department of Surgery, University of California, Irvine, CA 92868, USA; (S.L.); (C.T.); (H.L.); (L.R.); (K.V.); (M.J.S.)
| | - Hirohito Ichii
- Department of Surgery, University of California, Irvine, CA 92868, USA; (S.L.); (C.T.); (H.L.); (L.R.); (K.V.); (M.J.S.)
- Correspondence: ; Tel.: +1-714-456-8590; Fax: +1-714-456-8796
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27
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Potential Benefits of Nrf2/Keap1 Targeting in Pancreatic Islet Cell Transplantation. Antioxidants (Basel) 2020; 9:antiox9040321. [PMID: 32316115 PMCID: PMC7222398 DOI: 10.3390/antiox9040321] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 04/12/2020] [Accepted: 04/14/2020] [Indexed: 12/26/2022] Open
Abstract
Permanent pancreatic islet cell destruction occurs in type 1 diabetes mellitus (T1DM) through the infiltration of inflammatory cells and cytokines. Loss of β-cell integrity secondary to oxidation leads to an inability to appropriately synthesize and secrete insulin. Allogenic islet cell transplantation (ICT) has risen as a therapeutic option to mitigate problematic hypoglycemia. Nevertheless, during the process of transplantation, islet cells are exposed to oxidatively caustic conditions that severely decrease the islet cell yield. Islet cells are at a baseline disadvantage to sustain themselves during times of metabolic stress as they lack a robust anti-oxidant defense system, glycogen stores, and vascularity. The Nrf2/Keap1 system is a master regulator of antioxidant genes that has garnered attention as pharmacologic activators have shown a protective response and a low side effect profile. Herein, we present the most recently studied Nrf2/Keap1 activators in pancreas for application in ICT: Dh404, dimethyl fumarate (DMF), and epigallocatechin gallate (EGCG). Furthermore, we discuss that Nrf2/Keap1 is a potential target to ameliorate oxidative stress at every step of the Edmonton Protocol.
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28
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Van Dingenen J, Pieters L, Van Nuffel E, Lefebvre RA. Hemin reduces postoperative ileus in a heme oxygenase 1-dependent manner while dimethyl fumarate does without heme oxygenase 1-induction. Neurogastroenterol Motil 2020; 32:e13624. [PMID: 31121086 DOI: 10.1111/nmo.13624] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 03/28/2019] [Accepted: 04/26/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND Postoperative ileus (POI), the impairment of gastrointestinal motility after abdominal surgery, is mainly due to intestinal muscular inflammation. Carbon monoxide (CO)-releasing compounds were shown to exert an anti-inflammatory effect in murine POI partially through induction of heme oxygenase-1 (HO-1). The influence of hemin and dimethyl fumarate (DMF), currently used for multiple sclerosis (MS), was therefore tested in murine POI. METHODS C57BL/6J mice were anesthetized and after laparotomy, POI was induced via intestinal manipulation (IM). Animals were treated with either 30 mg kg-1 hemin intraperitoneally (ip), 30 mg kg-1 DMF ip, or 100 mg kg-1 intragastrically (ig) 24 hours before IM. Intestinal transit was assessed 24 hours postoperatively and mucosa-free muscularis or whole segments of the small intestine were stored for later analysis. Intestinal HO-1 protein expression was studied at 6, 12, and 24 hours after administration of hemin or DMF in non-manipulated mice. KEY RESULTS Pretreatment with hemin and DMF, both ig and ip, prevented the delayed transit seen after IM. Concomitantly, both hemin and DMF significantly reduced the increased interleukin-6 levels and the elevated leukocyte infiltration in the muscularis. Hemin but not DMF caused a significant increase in intestinal HO-1 protein expression and co-administration of the HO-1 inhibitor chromium mesoporphyrin abolished the protective effects of hemin on POI; DMF reduced the IM-induced activation of NF-κB and ERK 1/2. CONCLUSIONS AND INFERENCES Both hemin and DMF improve the delayed transit and inflammation seen in murine POI, but only hemin does so in a HO-1-dependent manner.
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Affiliation(s)
- Jonas Van Dingenen
- Department of Basic and Applied Medical Sciences, Faculty of Medicine & Health Sciences, Ghent University, Ghent, Belgium
| | - Leen Pieters
- Department of Human Structure and Repair, Faculty of Medicine & Health Sciences, Ghent University, Ghent, Belgium
| | - Elien Van Nuffel
- Unit of Molecular Signal Transduction in Inflammation, Center for Inflammation Research, VIB, Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
| | - Romain A Lefebvre
- Department of Basic and Applied Medical Sciences, Faculty of Medicine & Health Sciences, Ghent University, Ghent, Belgium
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29
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Dwivedi DK, Jena G, Kumar V. Dimethyl fumarate protects thioacetamide-induced liver damage in rats: Studies on Nrf2, NLRP3, and NF-κB. J Biochem Mol Toxicol 2020; 34:e22476. [PMID: 32060995 DOI: 10.1002/jbt.22476] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Revised: 12/17/2019] [Accepted: 02/06/2020] [Indexed: 12/30/2022]
Abstract
The present study was designed to investigate the hepatoprotective potential of dimethyl fumarate (DMF) against thioacetamide (TAA)-induced liver damage. Wistar rats were treated with DMF (12.5, 25, and 50 mg/kg/day, orally) and TAA (200 mg/kg intraperitoneally, every third day) for 6 consecutive weeks. TAA exposure significantly reduced body weight, increased liver weight and index, and intervention with DMF did not ameliorate these parameters. DMF treatment significantly restored TAA-induced increase in the levels of aspartate aminotransferase, alanine aminotransferase, γ-glutamyl transferase, total bilirubin, uric acid, malondialdehyde, reduced glutathione, and histopathological findings such as inflammatory cell infiltration, deposition of collagen, necrosis, and bridging fibrosis. DMF treatment significantly ameliorated TAA-induced hepatic stellate cell activation, increase in inflammatory cascade markers (NACHT, LRR, and PYD domains-containing protein 3; NLRP3, apoptosis-associated speck like protein containing a caspase recruitment domain; ASC, caspase-1, nuclear factor-kappa B; NF-κB, interleukin-6), fibrogenic makers (α-smooth muscle actin; ɑ-SMA, transforming growth factor; TGF-β1, fibronectin, collagen 1) and antioxidant markers (nuclear factor (erythroid-derived 2)-like factor 2; Nrf2, superoxide dismutase-1; SOD-1, catalase). The present findings concluded that DMF protects against TAA-induced hepatic damage mediated through the downregulation of inflammatory cascades and upregulation of antioxidant status.
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Affiliation(s)
- Durgesh K Dwivedi
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, SAS Nagar, Punjab, India
| | - Gopabandhu Jena
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, SAS Nagar, Punjab, India
| | - Vinod Kumar
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, SAS Nagar, Punjab, India
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30
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Mangano K, Lanteri R, Basile MS, Bellavia N, Latino R, Messina D, Fagone P, Colletti G, Nania R, Caltabiano R, Di Marco R, Di Cataldo A. Effects of GIT-27NO, a NO-donating compound, on hepatic ischemia/reperfusion injury. Int J Immunopathol Pharmacol 2020; 33:2058738419862736. [PMID: 31298048 PMCID: PMC6628530 DOI: 10.1177/2058738419862736] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Hepatic ischemia/reperfusion injury (IRI) is a clinical condition that may lead
to cellular injury and organ dysfunction that can be observed in different
conditions, such as trauma, shock, liver resection, and transplantation.
Moderate levels of nitric oxide (NO) produced by the endothelial isoform of the
NO synthase protect against liver IRI. GIT-27NO is a NO-derivative of the
toll-like receptor 4 antagonist VGX-1027 that has been shown to possess both
antineoplastic and immunomodulatory properties in vitro and in vivo. In this
study, we have investigated the effects of this compound in vitro, in a model of
oxidative stress induced in HepG2 cells by hydrogen peroxide
(H2O2), and in vivo, in a rat model of IRI of the
liver. GIT-27NO significantly counteracted the toxic effects induced by the
H2O2 on the HepG2 cells and in vivo, GIT-27NO reduced
the transaminase levels and the histological liver injury by reducing necrotic
areas with preservation of viable tissue. These effects were almost similar to
that of the positive control drug dimethyl fumarate. These data suggest that the
beneficial effect of GIT-27NO in the hepatic IRI can be secondary to
anti-oxidative effects and hepatocyte necrosis reduction probably mediated by NO
release.
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Affiliation(s)
- Katia Mangano
- 1 Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Raffaele Lanteri
- 2 Department of General Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
| | - Maria Sofia Basile
- 1 Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Noemi Bellavia
- 2 Department of General Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
| | - Rosalia Latino
- 2 Department of General Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
| | - Domenico Messina
- 1 Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Paolo Fagone
- 1 Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Giuseppe Colletti
- 1 Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Riccardo Nania
- 1 Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Rosario Caltabiano
- 3 Department of Surgical Sciences, Organ Transplantation and Advanced Technologies, G.F. Ingrassia, University of Catania, Catania, Italy
| | - Roberto Di Marco
- 4 Department of Medicine and Health Sciences "Vincenzo Tiberio," University of Molise, Campobasso, Italy
| | - Antonio Di Cataldo
- 2 Department of General Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
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Ibrahim SG, El-Emam SZ, Mohamed EA, Abd Ellah MF. Dimethyl fumarate and curcumin attenuate hepatic ischemia/reperfusion injury via Nrf2/HO-1 activation and anti-inflammatory properties. Int Immunopharmacol 2020; 80:106131. [PMID: 31981960 DOI: 10.1016/j.intimp.2019.106131] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 12/01/2019] [Accepted: 12/16/2019] [Indexed: 01/08/2023]
Abstract
BACKGROUND Hepatic ischemia/reperfusion (I/R) injury occurs in different clinical settings as hepatic transplantation, and different types of shock. I/R injury is the main cause of hepatic damage and failure due to the production of reactive oxygen species (ROS) and inflammatory cytokines. Dimethyl fumarate (DMF), an immunomodulatory drug, activates cellularantioxidantsignaling pathways exerting cytoprotective properties. Curcumin (CUR), a natural phenolic compound, possesses antioxidant and anti-inflammatory properties. METHOD To study potential protective effects of DMF with CUR against hepatic I/R injury in rats, animals were randomly allocated into seven groups as follows: (1) Sham; (2) DMF (25 mg/Kg, p.o); (3) CUR (400 mg/Kg, p.o.); (4) I/R; (5) DMF + I/R; (6) CUR + I/R; and combination (COM) therapy + I/R. Drugs were given for 14 days before I/R. RESULTS Compared with I/R group, COM group showed the best amelioration in hepatic injury induced by I/R insult. This was confirmed by a significant reduction in serum ALT and AST activity with improved histopathological results when compared to every single treatment. Hepatic protection afforded by DMF was mediated by activating Nrf2/HO-1 signaling and increasing GSH and TAC contents. CUR treatment improved the inflammatory markers (TNF-α, IL-1β, Il-6 and iNOS) as well as neutrophilic infiltration assessed as MPO. Moreover, CUR potentiated Nrf2/HO-1 signaling induced by DMF with significant suppression in lipid peroxidation. CONCLUSION We concluded that combining DMF and CUR has more efficient hepatoprotective effects against hepatic-induced IRI via potentiating antioxidant and anti-inflammatory properties mediated by Nrf2/HO-1 pathway.
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Affiliation(s)
- Shaimaa G Ibrahim
- Pharmacology and Toxicology Department, Faculty of Pharmacy, October 6 University, Egypt
| | - Soad Z El-Emam
- Pharmacology and Toxicology Department, Faculty of Pharmacy, October 6 University, Egypt.
| | - Eman A Mohamed
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University (Girls), Egypt
| | - Mohamed F Abd Ellah
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University (Boys), Egypt
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Diethylnitrosamine and thioacetamide-induced hepatic damage and early carcinogenesis in rats: Role of Nrf2 activator dimethyl fumarate and NLRP3 inhibitor glibenclamide. Biochem Biophys Res Commun 2019; 522:381-387. [PMID: 31761320 DOI: 10.1016/j.bbrc.2019.11.100] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 11/15/2019] [Indexed: 12/22/2022]
Abstract
Two-stage rat hepatocarcinogenesis model was used to induce early carcinogenesis in which thioacetamide (TAA) promotes diethylnitrosamine (DEN) initiated carcinogenesis. Dimethyl fumarate (DMF) used to treat multiple sclerosis, activates the nuclear factor erythroid 2-related factor 2 (Nrf2)/antioxidant responsive element (ARE) pathway during oxidative stress, and maintains antioxidant levels. Glibenclamide (GLB), a sulphonylurea drug used to treat type II diabetes, possesses anti-inflammatory properties and inhibits NLRP3 inflammasomes. The present study was designed to investigate the concurrent intervention of DMF and GLB on DEN + TAA-induced early hepatic carcinogenesis. DMF and GLB treatment improved DEN + TAA-induced decrease in body weight, increase in liver weight and plasma transaminases, histopathological alterations, DNA damage, and apoptosis. DMF and GLB intervention significantly ameliorated the DEN + TAA-induced alterations in the antioxidant (Nrf2, HO-1, SOD-1, catalase), inflammatory (NF-κB, NLRP3, ASC, caspase-1), fibrogenic (TGF-β1, collagen) and regenerative proliferative stress (GST-p, HGF, c-MET, TGFα, EGF, AFP) markers. The present results indicate that Nrf2/ARE activation and NLRP3 inhibition might be a rational approach to attenuate oxidative stress and chronic inflammation associated progression of hepatocarcinogenesis.
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Yaron JR, Chen H, Ambadapadi S, Zhang L, Tafoya AM, Munk BH, Wakefield DN, Fuentes J, Marques BJ, Harripersaud K, Bartee MY, Davids JA, Zheng D, Rand K, Dixon L, Moyer RW, Clapp WL, Lucas AR. Serp-2, a virus-derived apoptosis and inflammasome inhibitor, attenuates liver ischemia-reperfusion injury in mice. J Inflamm (Lond) 2019; 16:12. [PMID: 31160886 PMCID: PMC6542089 DOI: 10.1186/s12950-019-0215-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Accepted: 05/17/2019] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Ischemia-reperfusion injury (IRI) is an antigen-independent, innate immune response to arterial occlusion and ischemia with subsequent paradoxical exacerbation after reperfusion. IRI remains a critical problem after vessel occlusion and infarction or during harvest and surgery in transplants. After transplant, liver IRI (LIRI) contributes to increased acute and chronic rejection and graft loss. Tissue loss during LIRI has been attributed to local macrophage activation and invasion with excessive inflammation together with hepatocyte apoptosis and necrosis. Inflammatory and apoptotic signaling are key targets for reducing post-ischemic liver injury.Myxomavirus is a rabbit-specific leporipoxvirus that encodes a suite of immune suppressing proteins, often with extensive function in other mammalian species. Serp-2 is a cross-class serine protease inhibitor (serpin) which inhibits the inflammasome effector protease caspase-1 as well as the apoptotic proteases granzyme B and caspases 8 and 10. In prior work, Serp-2 reduced inflammatory cell invasion after angioplasty injury and after aortic transplantation in rodents. In this report, we explore the potential for therapeutic treatment with Serp-2 in a mouse model of LIRI. METHODS Wildtype (C57BL/6 J) mice were subjected to warm, partial (70%) hepatic ischemia for 90 min followed by treatment with saline or Serp-2 or M-T7, 100 ng/g/day given by intraperitoneal injection on alternate days for 5 days. M-T7 is a Myxomavirus-derived inhibitor of chemokine-GAG interactions and was used in this study for comparative analysis of an unrelated viral protein with an alternative immunomodulating mechanism of action. Survival, serum ALT levels and histopathology were assessed 24 h and 10 days post-LIRI. RESULTS Serp-2 treatment significantly improved survival to 85.7% percent versus saline-treated wildtype mice (p = 0.0135), while M-T7 treatment did not significantly improve survival (p = 0.2584). Liver viability was preserved by Serp-2 treatment with a significant reduction in serum ALT levels (p = 0.0343) and infarct scar thickness (p = 0.0016), but with no significant improvement with M-T7 treatment. Suzuki scoring by pathologists blinded with respect to treatment group indicated that Serp-2 significantly reduced hepatocyte necrosis (p = 0.0057) and improved overall pathology score (p = 0.0046) compared to saline. Immunohistochemistry revealed that Serp-2 treatment reduced macrophage infiltration into the infarcted liver tissue (p = 0.0197). CONCLUSIONS Treatment with Serp-2, a virus-derived inflammasome and apoptotic pathway inhibitor, improves survival after liver ischemia-reperfusion injury in mouse models. Treatment with a cross-class immune modulator provides a promising new approach designed to reduce ischemia-reperfusion injury, improving survival and reducing chronic transplant damage.
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Affiliation(s)
- Jordan R. Yaron
- Center for Personalized Diagnostics and Center for Immunotherapy, Vaccines and Virotherapy, Biodesign Institute, Arizona State University, Tempe, AZ USA
| | - Hao Chen
- The Department of Tumor Surgery, Second Hospital of Lanzhou University and The Key Laboratory of the Digestive System Tumors of Gansu Province, Lanzhou, China
| | - Sriram Ambadapadi
- Center for Personalized Diagnostics and Center for Immunotherapy, Vaccines and Virotherapy, Biodesign Institute, Arizona State University, Tempe, AZ USA
| | - Liqiang Zhang
- Center for Personalized Diagnostics and Center for Immunotherapy, Vaccines and Virotherapy, Biodesign Institute, Arizona State University, Tempe, AZ USA
| | - Amanda M. Tafoya
- Center for Personalized Diagnostics and Center for Immunotherapy, Vaccines and Virotherapy, Biodesign Institute, Arizona State University, Tempe, AZ USA
| | - Barbara H. Munk
- Center for Personalized Diagnostics and Center for Immunotherapy, Vaccines and Virotherapy, Biodesign Institute, Arizona State University, Tempe, AZ USA
| | | | - Jorge Fuentes
- Divisions of Cardiovascular Medicine and Rheumatology, Department of Medicine, University of Florida, Gainesville, FL USA
| | - Bruno J. Marques
- Divisions of Cardiovascular Medicine and Rheumatology, Department of Medicine, University of Florida, Gainesville, FL USA
| | - Krishna Harripersaud
- Divisions of Cardiovascular Medicine and Rheumatology, Department of Medicine, University of Florida, Gainesville, FL USA
| | - Mee Yong Bartee
- Divisions of Cardiovascular Medicine and Rheumatology, Department of Medicine, University of Florida, Gainesville, FL USA
| | - Jennifer A. Davids
- Divisions of Cardiovascular Medicine and Rheumatology, Department of Medicine, University of Florida, Gainesville, FL USA
| | - Donghang Zheng
- Department of Molecular Genetics and Microbiology, University of Florida, Gainesville, FL USA
| | - Kenneth Rand
- Department of Pathology, University of Florida, Gainesville, FL USA
| | - Lisa Dixon
- Department of Pathology, University of Florida, Gainesville, FL USA
| | - Richard W. Moyer
- Department of Molecular Genetics and Microbiology, University of Florida, Gainesville, FL USA
| | - William L. Clapp
- Department of Pathology, University of Florida, Gainesville, FL USA
| | - Alexandra R. Lucas
- Center for Personalized Diagnostics and Center for Immunotherapy, Vaccines and Virotherapy, Biodesign Institute, Arizona State University, Tempe, AZ USA
- Divisions of Cardiovascular Medicine and Rheumatology, Department of Medicine, University of Florida, Gainesville, FL USA
- Department of Molecular Genetics and Microbiology, University of Florida, Gainesville, FL USA
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Dimethylfumarate ameliorates hepatic injury and fibrosis induced by carbon tetrachloride. Chem Biol Interact 2019; 302:53-60. [DOI: 10.1016/j.cbi.2019.01.029] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 01/08/2019] [Accepted: 01/25/2019] [Indexed: 01/17/2023]
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Fahim AT, Abd El-Fattah AA, Sadik NAH, Ali BM. Resveratrol and dimethyl fumarate ameliorate testicular dysfunction caused by chronic unpredictable mild stress-induced depression in rats. Arch Biochem Biophys 2019; 665:152-165. [DOI: 10.1016/j.abb.2019.03.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 03/15/2019] [Accepted: 03/16/2019] [Indexed: 02/07/2023]
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Abdelrahman RS, Abdel-Rahman N. Dimethyl fumarate ameliorates acetaminophen-induced hepatic injury in mice dependent of Nrf-2/HO-1 pathway. Life Sci 2018; 217:251-260. [PMID: 30550888 DOI: 10.1016/j.lfs.2018.12.013] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Revised: 12/07/2018] [Accepted: 12/09/2018] [Indexed: 02/07/2023]
Abstract
Drug-induced liver toxicity is the most frequent cause of acute liver failure worldwide. Hepatotoxicity caused by acetaminophen (ACT) overdose is mediated by its metabolic product promoting oxidative stress and activation of inflammatory mediators. Nuclear factor erythroid-related factor-2 (Nrf-2) induces the release of cytoprotective enzymes in response to electrophilic or oxidative stress and is considered a promising therapeutic target. Dimethyl fumarate (DMF) is a potent activator of (Nrf-2), its anti-inflammatory and antioxidant properties of DMF have been highlighted recently. We designed this study to explore the effect of DMF (100 mg/kg, orally) administered once and twice on hepatotoxicity induced by acetaminophen (ACT, 500 mg/kg, i.p.) in mice. DMF administration enhanced ACT-induced parameters in liver function, inhibited apoptosis and ameliorated the antioxidant machinery and inflammatory markers in a Nrf-2-dependent fashion. DMF elevated Nrf-2 and HO-1 levels and ameliorated liver injury as indicated by lowered levels of serum aminotransferases, ALP, GGT and bilirubin levels. Hepatic (Bcl-2) was elevated whereas hepatic caspase-3, NFκ-B, TNF-α and MPO were reduced. Hepatic levels of GSH, SOD, MDA and NO were altered promoting the antioxidant machinery. Histological examination of liver has further supported these results. These findings suggest that DMF can be employed in the treatment ACT-induced liver injury acting primarily through targeting Nrf-2/HO-1 pathway.
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Affiliation(s)
- Rehab S Abdelrahman
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Noha Abdel-Rahman
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt.
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37
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Atef Y, El-Fayoumi HM, Abdel-Mottaleb Y, Mahmoud MF. Effect of cardamonin on hepatic ischemia reperfusion induced in rats: Role of nitric oxide. Eur J Pharmacol 2017; 815:446-453. [PMID: 28966130 DOI: 10.1016/j.ejphar.2017.09.037] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Revised: 09/13/2017] [Accepted: 09/26/2017] [Indexed: 02/07/2023]
Abstract
Ischemia reperfusion (I/R) injury is a cellular damage in a hypoxic organ following the restoration of oxygen delivery. It may occur during organ transplantation, trauma and hepatectomies. Nitric oxide (NO) effects during hepatic I/R are complicated. The iNOS-derived NO has a deleterious effect, whereas eNOS-derived NO has a protective effect in liver I/R. Cardamonin (CDN) is an anti-inflammatory molecule and a novel iNOS inhibitor, and Nω-Nitro-L-arginine (L-NNA) is a NOS inhibitor. L-Arginine is a precursor of NOS. This study was designed to investigate the possible protective effects of CDN on hepatic I/R and the role of NO. Wistar rats were randomly divided into 5 groups (Sham, I/R, CDN, L-NNA and L-arginine). Liver ischemia was induced for 45min then reperfusion was allowed for 1h. L-Arginine and CDN ameliorated the deleterious effects of I/R through reducing the oxidative stress and hepatocyte degeneration. Both molecules decreased the elevated inflammatory cytokines and increased the antiapoptotic marker, Bcl2. Both agents increased NO and eNOS expression and decreased iNOS expression. In conclusion, increased NO/eNOS and suppression of iNOS expression have protective effects on I/R injury. While inhibition of eNOS and reduction of NO have deleterious effects on I/R injury. For the first time, we demonstrated that cardamonin improved functional and structural abnormalities of the liver following I/R by improving oxidative stress and inflammation and increasing the availability of NO produced by eNOS. Treatment with cardamonin could be a promising strategy in patients with hepatic I/R injury in different clinical situations.
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Affiliation(s)
- Yara Atef
- Department of Pharmacology & Toxicology & Biochemistry, Faculty of Pharmaceutical Sciences and Pharmaceutical Industries, Future University in Egypt, Cairo, Egypt
| | - Hassan M El-Fayoumi
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt; Faculty of Pharmacy, Sinai University Qantara, Egypt
| | - Yousra Abdel-Mottaleb
- Department of Pharmacology & Toxicology & Biochemistry, Faculty of Pharmaceutical Sciences and Pharmaceutical Industries, Future University in Egypt, Cairo, Egypt
| | - Mona F Mahmoud
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt.
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