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Sun Q, Yang R, Chen T, Li S, Wang H, Kong D, Zhang W, Duan J, Zheng H, Shen Z, Zhang J. Icaritin attenuates ischemia-reperfusion injury by anti-inflammation, anti-oxidative stress, and anti-autophagy in mouse liver. Int Immunopharmacol 2024; 138:112533. [PMID: 38924868 DOI: 10.1016/j.intimp.2024.112533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 05/27/2024] [Accepted: 06/17/2024] [Indexed: 06/28/2024]
Abstract
BACKGROUND Hepatic ischemia-reperfusion (IR) injury is a major complication of liver transplantation and gravely affects patient prognosis. Icaritin (ICT), the primary plasma metabolite of icariin (ICA), plays a critical role in anti-inflammatory and immunomodulatory processes. However, the role of ICT in hepatic IR injury remains largely undefined. In this study, we aimed to elucidate the role of ICT in hepatic IR injury. METHODS We established hepatic IR injury models in animals, as well as an oxygen-glucose deprivation/reperfusion (OGD/R) cell model. Liver injury in vivo was assessed by measuring serum alanine aminotransferase (ALT) levels, necrotic areas by liver histology and local hepatic inflammatory responses. For in vitro analyses, we implemented flow-cytometric and western blot analyses, transmission electron microscopy, and an mRFP-GFP-LC3 adenovirus reporter assay to assess the effects of ICT on OGD/R injury in AML12 and THLE-2 cell lines. Signaling pathways were explored in vitro and in vivo to identify possible mechanisms underlying ICT action in hepatic IR injury. RESULTS Compared to the mouse model group, ICT preconditioning considerably protected the liver against IR stress, and diminished the levels of necrosis/apoptosis and inflammation-related cytokines. In additional studies, ICT treatment dramatically boosted the expression ratios of p-PI3K/PI3K, p-AKT/AKT, and p-mTOR/mTOR proteins in hepatic cells following OGD/R damage. We also applied LY294002 (a PI3K inhibitor) and RAPA (rapamycin, an mTOR inhibitor), which blocked the protective effects of ICT in hepatocytes subjected to OGD/R. CONCLUSION This study indicates that ICT attenuates ischemia-reperfusion injury by exerting anti-inflammation, anti-oxidative stress, and anti-autophagy effects, as demonstrated in mouse livers. We thus posit that ICT could have therapeutic potential for the treatment of hepatic IR injury.
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Affiliation(s)
- Qian Sun
- The First Central Clinical School, Tianjin Medical University, Tianjin, China.
| | - Ruining Yang
- The First Central Clinical School, Tianjin Medical University, Tianjin, China.
| | - Tao Chen
- The First Central Clinical School, Tianjin Medical University, Tianjin, China.
| | - Shipeng Li
- Department of Hepatopancreaticobiliary Surgery, Henan Provincial People's Hospital, Zhengzhou University, Zhengzhou, China.
| | - Hao Wang
- Department of Kidney Transplantation, Shenzhen Third People's Hospital, China.
| | - Dejun Kong
- School of Medicine, Nankai University, Tianjin, China.
| | - Weiye Zhang
- Research Institute of Transplant Medicine, Nankai University, Tianjin, China; Organ Transplant Department, Tianjin First Central Hospital, School of Medicine, Nankai University, Tianjin, China.
| | - Jinliang Duan
- School of Medicine, Nankai University, Tianjin, China.
| | - Hong Zheng
- Research Institute of Transplant Medicine, Nankai University, Tianjin, China; Organ Transplant Department, Tianjin First Central Hospital, School of Medicine, Nankai University, Tianjin, China.
| | - Zhongyang Shen
- Research Institute of Transplant Medicine, Nankai University, Tianjin, China; Organ Transplant Department, Tianjin First Central Hospital, School of Medicine, Nankai University, Tianjin, China.
| | - Jianjun Zhang
- Research Institute of Transplant Medicine, Nankai University, Tianjin, China; Organ Transplant Department, Tianjin First Central Hospital, School of Medicine, Nankai University, Tianjin, China.
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Zhou QQ, Wu YP, Liu P, Deng WZ, Lu YH, Gong HB, Lin XM, Sun WY, Wang R, Huang F, Cao YF, Li YF, Kurihara H, Ouyang SH, Liang L, He RR. Regulation of hepatocyte phospholipid peroxidation signaling by a Chinese patent medicine against psychological stress-induced liver injury. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 129:155613. [PMID: 38703659 DOI: 10.1016/j.phymed.2024.155613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 03/20/2024] [Accepted: 04/07/2024] [Indexed: 05/06/2024]
Abstract
BACKGROUND Psychological stress is associated with various diseases including liver dysfunction, yet effective intervention strategies remain lacking due to the unrevealed pathogenesis mechanism. PURPOSE This study aims to explore the relevance between BMAL1-controlled circadian rhythms and lipoxygenase 15 (ALOX15)-mediated phospholipids peroxidation in psychological stress-induced liver injury, and to investigate whether hepatocyte phospholipid peroxidation signaling is involved in the hepatoprotective effects of a Chinese patent medicine, Pien Tze Huang (PZH). METHODS Restraint stress models were established to investigate the underlying molecular mechanisms of psychological stress-induced liver injury and the hepatoprotective effects of PZH. Redox lipidomics based on liquid chromatography-tandem mass spectrometry was applied for lipid profiling. RESULTS The present study discovered that acute restraint stress could induce liver injury. Notably, lipidomic analysis confirmed that phospholipid peroxidation was accumulated in the livers of stressed mice. Additionally, the essential core circadian clock gene Brain and Muscle Arnt-like Protein-1 (Bmal1) was altered in stressed mice. Circadian disruption in mice, as well as BMAL1-overexpression in human HepaRG cells, also appeared to have a significant increase in phospholipid peroxidation, suggesting that stress-induced liver injury is closely related to circadian rhythm and phospholipid peroxidation. Subsequently, arachidonate 15-lipoxygenase (ALOX15), a critical enzyme that contributed to phospholipid peroxidation, was screened as a potential regulatory target of BMAL1. Mechanistically, BMAL1 promoted ALOX15 expression via direct binding to an E-box-like motif in the promoter. Finally, this study revealed that PZH treatment significantly relieved pathological symptoms of psychological stress-induced liver injury with a potential mechanism of alleviating ALOX15-mediated phospholipid peroxidation. CONCLUSION Our findings illustrate the critical role of BMAL1-triggered phospholipid peroxidation in psychological stress-induced liver injury and provide new insight into treating psychological stress-associated liver diseases by TCM intervention.
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Affiliation(s)
- Qing-Qing Zhou
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE)/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China
| | - Yan-Ping Wu
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE)/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China
| | - Pei Liu
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE)/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau 999078, China
| | - Wen-Zhe Deng
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE)/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China
| | - Yu-Hui Lu
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE)/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China
| | - Hai-Biao Gong
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE)/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China
| | - Xiao-Min Lin
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE)/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China
| | - Wan-Yang Sun
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE)/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China
| | - Rong Wang
- School of Chinese Materia Medica and Yunnan Key Laboratory of Southern Medicinal Utilization, Yunnan University of Chinese Medicine, Kunming 650500, China
| | - Feng Huang
- School of Chinese Materia Medica and Yunnan Key Laboratory of Southern Medicinal Utilization, Yunnan University of Chinese Medicine, Kunming 650500, China
| | - Yun-Feng Cao
- Shanghai Institute for Biomedical and Pharmaceutical Technologies, NHC Key Laboratory of Reproduction Regulation, Shanghai 200032, China
| | - Yi-Fang Li
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE)/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China
| | - Hiroshi Kurihara
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE)/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China
| | - Shu-Hua Ouyang
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE)/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China.
| | - Lei Liang
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE)/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China.
| | - Rong-Rong He
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE)/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau 999078, China.
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Sun X, Wu S, Mao C, Qu Y, Xu Z, Xie Y, Jiang D, Song Y. Therapeutic Potential of Hydrogen Sulfide in Ischemia and Reperfusion Injury. Biomolecules 2024; 14:740. [PMID: 39062455 PMCID: PMC11274451 DOI: 10.3390/biom14070740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 06/14/2024] [Accepted: 06/19/2024] [Indexed: 07/28/2024] Open
Abstract
Ischemia-reperfusion (I/R) injury, a prevalent pathological condition in medical practice, presents significant treatment challenges. Hydrogen sulfide (H2S), acknowledged as the third gas signaling molecule, profoundly impacts various physiological and pathophysiological processes. Extensive research has demonstrated that H2S can mitigate I/R damage across multiple organs and tissues. This review investigates the protective effects of H2S in preventing I/R damage in the heart, brain, liver, kidney, intestines, lungs, stomach, spinal cord, testes, eyes, and other tissues. H2S provides protection against I/R damage by alleviating inflammation and endoplasmic reticulum stress; inhibiting apoptosis, oxidative stress, and mitochondrial autophagy and dysfunction; and regulating microRNAs. Significant advancements in understanding the mechanisms by which H2S reduces I/R damage have led to the development and synthesis of H2S-releasing agents such as diallyl trisulfide-loaded mesoporous silica nanoparticles (DATS-MSN), AP39, zofenopril, and ATB-344, offering a new therapeutic avenue for I/R injury.
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Affiliation(s)
- Xutao Sun
- Department of Typhoid, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin 150040, China;
| | - Siyu Wu
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin 150040, China; (S.W.); (C.M.); (Y.Q.); (Z.X.)
| | - Caiyun Mao
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin 150040, China; (S.W.); (C.M.); (Y.Q.); (Z.X.)
| | - Ying Qu
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin 150040, China; (S.W.); (C.M.); (Y.Q.); (Z.X.)
| | - Zihang Xu
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin 150040, China; (S.W.); (C.M.); (Y.Q.); (Z.X.)
| | - Ying Xie
- Department of Synopsis of the Golden Chamber, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin 150040, China;
| | - Deyou Jiang
- Department of Synopsis of the Golden Chamber, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin 150040, China;
| | - Yunjia Song
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin 150040, China; (S.W.); (C.M.); (Y.Q.); (Z.X.)
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Hui B, Zhang X, Dong D, Shu Y, Li R, Yang Z. High-dose sinomenine attenuates ischemia/reperfusion-induced hepatic inflammation and oxidative stress in rats with diabetes mellitus. Immun Inflamm Dis 2024; 12:e1271. [PMID: 38888355 PMCID: PMC11184649 DOI: 10.1002/iid3.1271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 04/24/2024] [Accepted: 04/29/2024] [Indexed: 06/20/2024] Open
Abstract
INTRODUCTION Ischemia-reperfusion (I/R) injury, resulting from blood flow interruption and its subsequent restoration, is a prevalent complication in liver surgery. The liver, as a crucial organ for carbohydrate and lipid metabolism, exhibits decreased tolerance to hepatic I/R in patients with diabetes mellitus (DM), resulting in a significant increase in hepatic dysfunction following surgery. This may be attributed to elevated oxidative stress and inflammation. Our prior research established sinomenine's (SIN) protective role against hepatic I/R injury. Nevertheless, the impact of SIN on hepatic I/R injury in DM rats remains unexplored. OBJECTIVE AND METHODS This study aimed to investigate the therapeutic potential of SIN in hepatic I/R injury in DM rats and elucidate its mechanism. Diabetic and hepatic I/R injury models were established in rats through high-fat/sugar diet, streptozotocin injection, and hepatic blood flow occlusion. Liver function, oxidative stress, inflammatory reaction, histopathology, and Nrf-2/HO-1 signaling pathway were evaluated by using UV spectrophotometry, biochemical assays, enzyme-linked immunosorbent assay, hematoxylin-eosin staining, and Western blot analysis. RESULTS High-dose SIN (300 mg/kg) significantly attenuated hepatic I/R injury in DM rats, reducing serum activities of ALT and AST, decreasing the AST/ALT ratio, enhancing tissue contents of SOD and GSH-Px, suppressing the levels of TNF-α and IL-6, improving the liver histopathology, and activating Nrf-2/HO-1 signaling by promoting Nrf-2 trans-location from cytoplasm to nucleus. Low-dose SIN (100 mg/kg) was ineffective. CONCLUSIONS This study demonstrates that high-dose sinomenine's mitigates hepatic I/R-induced inflammation and oxidative stress in diabetes mellitus (DM) rats via Nrf-2/HO-1 activation, suggesting its potential as a preventive strategy for hepatic I/R injury in DM patients.
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Affiliation(s)
- Bo Hui
- Department of General Surgery Unit‐4The Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Xiaogang Zhang
- Department of Hepatobiliary SurgeryThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Dinghui Dong
- Department of Hepatobiliary SurgeryThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Yantao Shu
- Department of General Surgery Unit‐4The Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Ren Li
- Department of General Surgery Unit‐4The Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Zhengan Yang
- Department of General Surgery Unit‐4The Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
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Abbas SH, Ceresa CDL, Pollok JM. Steatotic Donor Transplant Livers: Preservation Strategies to Mitigate against Ischaemia-Reperfusion Injury. Int J Mol Sci 2024; 25:4648. [PMID: 38731866 PMCID: PMC11083584 DOI: 10.3390/ijms25094648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 04/21/2024] [Accepted: 04/22/2024] [Indexed: 05/13/2024] Open
Abstract
Liver transplantation (LT) is the only definitive treatment for end-stage liver disease, yet the UK has seen a 400% increase in liver disease-related deaths since 1970, constrained further by a critical shortage of donor organs. This shortfall has necessitated the use of extended criteria donor organs, including those with evidence of steatosis. The impact of hepatic steatosis (HS) on graft viability remains a concern, particularly for donor livers with moderate to severe steatosis which are highly sensitive to the process of ischaemia-reperfusion injury (IRI) and static cold storage (SCS) leading to poor post-transplantation outcomes. This review explores the pathophysiological predisposition of steatotic livers to IRI, the limitations of SCS, and alternative preservation strategies, including novel organ preservation solutions (OPS) and normothermic machine perfusion (NMP), to mitigate IRI and improve outcomes for steatotic donor livers. By addressing these challenges, the liver transplant community can enhance the utilisation of steatotic donor livers which is crucial in the context of the global obesity crisis and the growing need to expand the donor pool.
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Affiliation(s)
- Syed Hussain Abbas
- Oxford Transplant Centre, Nuffield Department of Surgical Sciences, University of Oxford, Oxford OX1 2JD, UK;
| | - Carlo Domenico Lorenzo Ceresa
- Department of Hepatopancreatobiliary and Liver Transplant Surgery, Royal Free Hospital, Pond Street, Hampstead, London NW3 2QG, UK;
| | - Joerg-Matthias Pollok
- Department of Hepatopancreatobiliary and Liver Transplant Surgery, Royal Free Hospital, Pond Street, Hampstead, London NW3 2QG, UK;
- Division of Surgery & Interventional Science, University College London, Gower Street, London WC1E 6BT, UK
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Gao Y, Wang M, Qin R, Zhao C, Gong J. METTL3 Deficiency Aggravates Hepatic Ischemia/Reperfusion Injury in Mice by Activating the MAPK Signaling Pathway. Int J Med Sci 2024; 21:1037-1048. [PMID: 38774758 PMCID: PMC11103385 DOI: 10.7150/ijms.94177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 04/05/2024] [Indexed: 05/24/2024] Open
Abstract
Background: Inflammatory responses, apoptosis, and oxidative stress, are key factors that contribute to hepatic ischemia/reperfusion (I/R) injury, which may lead to the failure of liver surgeries, such as hepatectomy and liver transplantation. The N6-methyladenosine (m6A) modification has been implicated in multiple biological processes, and its specific role and mechanism in hepatic I/R injury require further investigation. Methods: Dot blotting analysis was used to profile m6A levels in liver tissues at different reperfusion time points in hepatic I/R mouse models. Hepatocyte-specific METTL3 knockdown (HKD) mice were used to determine the function of METTL3 during hepatic I/R. RNA sequencing and western blotting were performed to assess the potential signaling pathways involved with the deficiency of METTL3. Finally, AAV8-TBG-METTL3 was injected through the tail vein to further elucidate the role of METTL3 in hepatic I/R injury. Results: The m6A modification levels and the expression of METTL3 were upregulated in mouse livers during hepatic I/R injury. METTL3 deficiency led to an exacerbated inflammatory response and increased cell death during hepatic I/R, whereas overexpression of METTL3 reduced the extent of liver injury. Bioinformatic analysis revealed that the MAPK pathway was significantly enriched in the livers of METTL3-deficient mice. METTL3 protected the liver from I/R injury, possibly by inhibiting the phosphorylation of JNK and ERK, but not P38. Conclusions: METTL3 deficiency aggravates hepatic I/R injury in mice by activating the MAPK signaling pathway. METTL3 may be a potential therapeutic target in hepatic I/R injury.
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Affiliation(s)
- Yang Gao
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, Hubei, China
| | - Min Wang
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, Hubei, China
| | - Renyi Qin
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, Hubei, China
| | - Chunle Zhao
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, Hubei, China
| | - Jun Gong
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, Hubei, China
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, Hubei, China
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Speichinger F, Gratl A, Raude B, Schawe L, Carstens J, Hering NA, Greiner A, Pesta D, Frese JP. Mitochondrial respiration in peripheral arterial disease depends on stage severity. J Cell Mol Med 2024; 28:e18126. [PMID: 38534092 DOI: 10.1111/jcmm.18126] [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: 09/28/2023] [Revised: 12/17/2023] [Accepted: 01/05/2024] [Indexed: 03/28/2024] Open
Abstract
Peripheral arterial disease (PAD) is an increasing cause of morbidity and its severity is graded based on clinical manifestation. To investigate the influence of the different stages on myopathy of ischemic muscle we analysed severity-dependent effects of mitochondrial respiration in PAD. Eighteen patients with severe PAD, defined as chronic limb-threatening ischemia, 47 patients with intermittent claudication (IC) and 22 non-ischemic controls were analysed. High-resolution respirometry (HRR) was performed on muscle biopsies of gastrocnemius and vastus lateralis muscle of patients in different PAD stages to investigate different respiratory states. Results from HRR are given as median and interquartile range and were normalized to citrate synthase activity (CSA), a marker for mitochondrial content. In order to account for inter-individual differences between patients and controls, we calculated the ratio of O₂-flux in gastrocnemius muscle over vastus muscle ('GV ratio'). CSA of the gastrocnemius muscle as a proxy for mitochondrial content was significantly lower in critical ischemia compared to controls. Mitochondrial respiration normalized to CSA was higher in IC compared to controls. Likewise, the GV ratio was significantly higher in IC compared to control. Mitochondrial respiration and CSA of PAD patients showed stage-dependent modifications with greater changes in the mild PAD stage group (IC).
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Affiliation(s)
- Fiona Speichinger
- Department of Vascular Surgery, Charité Universitätsmedizin Berlin, Berlin, Germany
- Department of General and Visceral Surgery, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Alexandra Gratl
- Department of Vascular Surgery, Charité Universitätsmedizin Berlin, Berlin, Germany
- Department of Vascular Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Ben Raude
- Department of Vascular Surgery, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Larissa Schawe
- Department of Vascular Surgery, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Jan Carstens
- Department of Vascular Surgery, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Nina A Hering
- Department of Vascular Surgery, Charité Universitätsmedizin Berlin, Berlin, Germany
- Department of General and Visceral Surgery, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Andreas Greiner
- Department of Vascular Surgery, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Dominik Pesta
- Institute of Aerospace Medicine, German Aerospace Center (DLR), Cologne, Germany
- Centre for Endocrinology, Diabetes and Preventive Medicine (CEDP), University Hospital Cologne, Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Cologne, Germany
| | - Jan Paul Frese
- Department of Vascular Surgery, Charité Universitätsmedizin Berlin, Berlin, Germany
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Geng H, Chen J, Tu K, Tuo H, Wu Q, Guo J, Zhu Q, Zhang Z, Zhang Y, Huang D, Zhang M, Xu Q. Carbon dot nanozymes as free radicals scavengers for the management of hepatic ischemia-reperfusion injury by regulating the liver inflammatory network and inhibiting apoptosis. J Nanobiotechnology 2023; 21:500. [PMID: 38129928 PMCID: PMC10734184 DOI: 10.1186/s12951-023-02234-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 11/29/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND Hepatic ischemia-reperfusion injury (HIRI) is a pathophysiological process during liver transplantation, characterized by insufficient oxygen supply and subsequent restoration of blood flow leading to an overproduction of reactive oxygen species (ROS), which in turn activates the inflammatory response and leads to cellular damage. Therefore, reducing excess ROS production in the hepatic microenvironment would provide an effective way to mitigate oxidative stress injury and apoptosis during HIRI. Nanozymes with outstanding free radical scavenging activities have aroused great interest and enthusiasm in oxidative stress treatment. RESULTS We previously demonstrated that carbon-dots (C-dots) nanozymes with SOD-like activity could serve as free radicals scavengers. Herein, we proposed that C-dots could protect the liver from ROS-mediated inflammatory responses and apoptosis in HIRI, thereby improving the therapeutic effect. We demonstrated that C-dots with anti-oxidative stress and anti-inflammatory properties improved the survival of L-02 cells under H2O2 and LPS-treated conditions. In the animal model, Our results showed that the impregnation of C-dots could effectively scavenge ROS and reduce the expression of inflammatory cytokines, such as IL-1β, IL-6, IL-12, and TNF-α, resulting in a profound therapeutic effect in the HIRI. To reveal the potential therapeutic mechanism, transcriptome sequencing was performed and the relevant genes were validated, showing that the C-dots exert hepatoprotective effects by modulating the hepatic inflammatory network and inhibiting apoptosis. CONCLUSIONS With negligible systemic toxicity, our findings substantiate the potential of C-dots as a therapeutic approach for HIRI, thereby offering a promising intervention strategy for clinical implementation.
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Affiliation(s)
- Haoge Geng
- Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Affiliated People's Hospital, Zhejiang Provincial People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
| | - Jiayu Chen
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Kangsheng Tu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China.
| | - Hang Tuo
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Qingsong Wu
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China
| | - Jinhui Guo
- Qingdao Medical College, Qingdao University, Qingdao, Shandong, 266071, China
| | - Qingwei Zhu
- Qingdao Medical College, Qingdao University, Qingdao, Shandong, 266071, China
| | - Zhe Zhang
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China
| | - Yujie Zhang
- School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Dongsheng Huang
- Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Affiliated People's Hospital, Zhejiang Provincial People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China.
| | - Mingzhen Zhang
- School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China.
| | - Qiuran Xu
- Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Affiliated People's Hospital, Zhejiang Provincial People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China.
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9
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Ko SF, Li YC, Shao PL, Chiang JY, Sung PH, Chen YL, Yip HK. Interplay Between Inflammatory-immune and Interleukin-17 Signalings Plays a Cardinal Role on Liver Ischemia-reperfusion Injury-Synergic Effect of IL-17Ab, Tacrolimus and ADMSCs on Rescuing the Liver Damage. Stem Cell Rev Rep 2023; 19:2852-2868. [PMID: 37632641 DOI: 10.1007/s12015-023-10611-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/19/2023] [Indexed: 08/28/2023]
Abstract
BACKGROUND This study tested the hypothesis that inflammatory and interleukin (IL)-17 signalings were essential for acute liver ischemia (1 h)-reperfusion (72 h) injury (IRI) that was effectively ameliorated by adipose-derived mesenchymal stem cells (ADMSCs) and tacrolimus. METHODS Adult-male SD rats (n = 50) were equally categorized into groups 1 (sham-operated-control), 2 (IRI), 3 [IRI + IL-17-monoclonic antibody (Ab)], 4 (IRI + tacrolimus), 5 (IRI + ADMSCs) and 6 (IRI + tacrolimus-ADMSCs) and liver was harvested at 72 h. RESULTS The main findings included: (1) circulatory levels: inflammatory cells, immune cells, and proinflammatory cytokines as well as liver-damage enzyme at the time point of 72 h were highest in group 2, lowest in group 1 and significantly lower in group 6 than in groups 3 to 5 (all p < 0.0001), but they did not differ among these three latter groups; (2) histopathology: the liver injury score, fibrosis, inflammatory and immune cell infiltration in liver immunity displayed an identical pattern of inflammatory cells among the groups (all p < 0.0001); and (3) protein levels: upstream and downstream inflammatory signalings, oxidative-stress, apoptotic and mitochondrial-damaged biomarkers exhibited an identical pattern of inflammatory cells among the groups (all p < 0.0001). CONCLUSION Our results obtained from circulatory, pathology and molecular-cellular levels delineated that acute IRI was an intricate syndrome that elicited complex upstream and downstream inflammatory and immune signalings to damage liver parenchyma that greatly suppressed by combined tacrolimus and ADMSCs therapy.
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Affiliation(s)
- Sheung-Fat Ko
- Department of Radiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, 83301, Taiwan
| | - Yi-Chen Li
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, 83301, Taiwan
| | - Pei-Lin Shao
- Department of Nursing, Asia University, Taichung, 41354, Taiwan
| | - John Y Chiang
- Department of Computer Science and Engineering, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
- Department of Healthcare Administration and Medical Informatics, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
| | - Pei-Hsun Sung
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, 83301, Taiwan
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, 83301, Taiwan
- Center for Shockwave Medicine and Tissue Engineering, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, 83301, Taiwan
| | - Yi-Ling Chen
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, 83301, Taiwan.
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, 83301, Taiwan.
| | - Hon-Kan Yip
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, 83301, Taiwan.
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, 83301, Taiwan.
- Center for Shockwave Medicine and Tissue Engineering, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, 83301, Taiwan.
- , Taoyuan, Taiwan.
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, 40402, Taiwan.
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10
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Mahmoud HM, Elsayed Abouzed DE, Abo-Youssef AM, Hemeida RAM. Zafirlukast protects against hepatic ischemia-reperfusion injury in rats via modulating Bcl-2/Bax and NF-κB/SMAD-4 pathways. Int Immunopharmacol 2023; 122:110498. [PMID: 37418987 DOI: 10.1016/j.intimp.2023.110498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 06/10/2023] [Accepted: 06/11/2023] [Indexed: 07/09/2023]
Abstract
Hepatic ischemia/reperfusion injury (IRI) is a clinical problem commonly during liver transplantation and other liver surgery. This study aimed to evaluate the protective effect of zafirlukast (ZFK) on IR-induced hepatic injury and investigate its relevant protective mechanism. Thirty-two male Wistar albino rats were randomly allocated to four groups: sham, IRI, ZFK, and ZFK + IR groups. ZFK was administered orally in a dose of 80 mg/kg/day for 10 consecutive days. Serum alanine aminotransferase (ALT), aspartate aminotransferase (AST), total bilirubin (TBL) levels, and gamma glutamyl transferase (GGT) activity were estimated. Liver tissues were used to assess oxidative stress biomarkers including malondialdehyde (MDA), myeloperoxidase (MPO), nitric oxide (NOx), and reduced glutathione (GSH) contents. Inflammatory cytokines, tumor necrosis factor alpha (TNF-α) and interleukin-33 (IL-33), in addition to apoptosis biomarkers, BCL2 associated X protein (Bax), B-cell lymphoma 2 (Bcl2) and galactine-9 (GAL9) proteins were also assessed. Western blot analysis was performed for vascular endothelial growth factor (VEGF) and fibrinogen expressions. Immunohistochemical analysis for hepatic nuclear factor-kappa B (NF-κB) and SMAD-4 was done in addition to histopathological examination. Our study revealed that ZFK pre-treatment resulted in liver function restoration and oxidative stress correction. Moreover, inflammatory cytokines were significantly reduced and a remarkable reduction of apoptosis, angiogenesis, and clotting formation has been indicated. Additionally, a significant reduction in SMAD-4 and NF-kB protein expressions was observed. These results were supported by hepatic architecture improvement. Our findings revealed that ZFK possesses a potential protective effect against liver IR possibly through its antioxidant, anti-inflammatory and anti-apoptotic properties.
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Affiliation(s)
- Heba M Mahmoud
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, 62514, Egypt.
| | - Deiaa E Elsayed Abouzed
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Sohag University, Sohag, 82524, Egypt.
| | - Amira M Abo-Youssef
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, 62514, Egypt.
| | - Ramadan A M Hemeida
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut, 71524, Egypt; Department of Pharmacology & Toxicology, Faculty of Pharmacy, Deraya University, Minya, 61519, Egypt.
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11
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Esteban-Zubero E, López-Pingarrón L, Ramírez JM, Reyes-Gonzales MC, Azúa-Romeo FJ, Soria-Aznar M, Agil A, García JJ. Melatonin Preserves Fluidity in Cell and Mitochondrial Membranes against Hepatic Ischemia-Reperfusion. Biomedicines 2023; 11:1940. [PMID: 37509579 PMCID: PMC10377318 DOI: 10.3390/biomedicines11071940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/03/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
We evaluated the in vivo effects of melatonin treatment on oxidative damage in the liver in an experimental model of ischemia-reperfusion. A total of 37 male Sprague-Dawley rats were randomly divided into four groups: control, ischemia, ischemia + reperfusion, and ischemia + reperfusion + melatonin. Hepatic ischemia was maintained for 20 min, and the clamp was removed to initiate vascular reperfusion for 30 min. Melatonin (50 mg/kg body weight) was intraperitoneally administered. Fluidity was measured by polarization changes in 1-(4-trimethylammoniumphenyl)-6-phenyl-1,3,5-hexatriene-p-toluene sulfonate). After 20 min of ischemia, no significant changes were observed in cell and mitochondrial membrane fluidity levels, lipid peroxidation, and protein carbonylation. However, after 30 min of reperfusion, membrane fluidity decreased compared to controls. Increases in lipid and protein oxidation were also seen in hepatic homogenates of animals exposed to reperfusion. Melatonin injected 30 min before ischemia and reperfusion fully prevented membrane rigidity and both lipid and protein oxidation. Livers from ischemia-reperfusion showed histopathological alterations and positive labeling with antibodies to oxidized lipids and proteins. Melatonin reduced the severity of these morphological changes and protected against in vivo ischemia-reperfusion-induced toxicity in the liver. Therefore, melatonin might be a candidate for co-treatment for patients with hepatic vascular occlusion followed by reperfusion.
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Affiliation(s)
- Eduardo Esteban-Zubero
- Department of Pharmacology, Physiology and Legal and Forensic Medicine, Faculty of Medicine, University of Zaragoza, 50009 Zaragoza, Spain
| | - Laura López-Pingarrón
- Department of Pharmacology, Physiology and Legal and Forensic Medicine, Faculty of Medicine, University of Zaragoza, 50009 Zaragoza, Spain
| | | | - Marcos César Reyes-Gonzales
- Department of Pharmacology, Physiology and Legal and Forensic Medicine, Faculty of Medicine, University of Zaragoza, 50009 Zaragoza, Spain
| | - Francisco Javier Azúa-Romeo
- Department of Human Anatomy and Histology, Faculty of Medicine, University of Zaragoza, 50009 Zaragoza, Spain
| | - Marisol Soria-Aznar
- Department of Pharmacology, Physiology and Legal and Forensic Medicine, Faculty of Medicine, University of Zaragoza, 50009 Zaragoza, Spain
| | - Ahmad Agil
- Department of Pharmacology, Faculty of Medicine, University of Granada, 18071 Granada, Spain
| | - José Joaquín García
- Department of Pharmacology, Physiology and Legal and Forensic Medicine, Faculty of Medicine, University of Zaragoza, 50009 Zaragoza, Spain
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12
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Chen Z, Hu F, Zhang Y, Zhang L, Wang T, Kong C, Hu H, Guo J, Chen Q, Yu B, Liu Y, Zou J, Zhou J, Qiu T. Ubiquitin-specific protease 29 attenuates hepatic ischemia-reperfusion injury by mediating TGF-β-activated kinase 1 deubiquitination. Front Immunol 2023; 14:1167667. [PMID: 37304282 PMCID: PMC10250730 DOI: 10.3389/fimmu.2023.1167667] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 05/05/2023] [Indexed: 06/13/2023] Open
Abstract
Background and aims In the course of clinical practice, hepatic ischemia/reperfusion (I/R) injury is a prevalent pathophysiological event and is caused by a combination of complex factors that involve multiple signaling pathways such as MAPK and NF-κB. USP29 is a deubiquitinating enzyme important during the development of tumors, neurological diseases, and viral immunity. However, it is unknown how USP29 contributes to hepatic I/R injury. Methods and results We systematically investigated the role of the USP29/TAK1-JNK/p38 signaling pathway in hepatic I/R injury. We first found reduced USP29 expression in both mouse hepatic I/R injury and the primary hepatocyte hypoxia-reoxygenation (H/R) models. We established USP29 full knockout mice (USP29-KO) and hepatocyte-specific USP29 transgenic mice (USP29-HTG), and we found that USP29 knockout significantly exacerbates the inflammatory infiltration and injury processes during hepatic I/R injury, whereas USP29 overexpression alleviates liver injury by decreasing the inflammatory response and inhibiting apoptosis. Mechanistically, RNA sequencing results showed the effects of USP29 on the MAPK pathway, and further studies revealed that USP29 interacts with TAK1 and inhibits its k63-linked polyubiquitination, thereby preventing the activation of TAK1 and its downstream signaling pathways. Consistently, 5z-7-Oxozeaneol, an inhibitor of TAK1, blocked the detrimental effects of USP29 knockout on H/R-induced hepatocyte injury, further confirming that USP29 plays a regulatory role in hepatic I/R injury by targeting TAK1. Conclusion Our findings imply that USP29 is a therapeutic target with promise for the management of hepatic I/R injury via TAK1-JNK/p38 pathway-dependent processes.
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Affiliation(s)
- Zhongbao Chen
- Department of Organ Transplantation, Renmin Hospital, Wuhan University, Wuhan, China
- Department of Urology, Renmin Hospital, Wuhan University, Wuhan, China
| | - Fengjiao Hu
- Medical Science Research Centre, Zhongnan Hospital, Wuhan University, Wuhan, China
| | - Yalong Zhang
- Department of Organ Transplantation, Renmin Hospital, Wuhan University, Wuhan, China
- Department of Urology, Renmin Hospital, Wuhan University, Wuhan, China
| | - Long Zhang
- Department of Organ Transplantation, Renmin Hospital, Wuhan University, Wuhan, China
- Department of Urology, Renmin Hospital, Wuhan University, Wuhan, China
| | - Tianyu Wang
- Department of Organ Transplantation, Renmin Hospital, Wuhan University, Wuhan, China
- Department of Urology, Renmin Hospital, Wuhan University, Wuhan, China
| | - Chenyang Kong
- Department of Organ Transplantation, Renmin Hospital, Wuhan University, Wuhan, China
- Department of Urology, Renmin Hospital, Wuhan University, Wuhan, China
| | - Haochong Hu
- Department of Organ Transplantation, Renmin Hospital, Wuhan University, Wuhan, China
- Department of Urology, Renmin Hospital, Wuhan University, Wuhan, China
| | - Jiayu Guo
- Department of Organ Transplantation, Renmin Hospital, Wuhan University, Wuhan, China
- Department of Urology, Renmin Hospital, Wuhan University, Wuhan, China
| | - Qi Chen
- Department of Organ Transplantation, Renmin Hospital, Wuhan University, Wuhan, China
- Department of Urology, Renmin Hospital, Wuhan University, Wuhan, China
| | - Bo Yu
- Department of Organ Transplantation, Renmin Hospital, Wuhan University, Wuhan, China
- Department of Urology, Renmin Hospital, Wuhan University, Wuhan, China
| | - Yiting Liu
- Department of Organ Transplantation, Renmin Hospital, Wuhan University, Wuhan, China
- Department of Urology, Renmin Hospital, Wuhan University, Wuhan, China
| | - Jilin Zou
- Department of Organ Transplantation, Renmin Hospital, Wuhan University, Wuhan, China
- Department of Urology, Renmin Hospital, Wuhan University, Wuhan, China
| | - Jiangqiao Zhou
- Department of Organ Transplantation, Renmin Hospital, Wuhan University, Wuhan, China
- Department of Urology, Renmin Hospital, Wuhan University, Wuhan, China
| | - Tao Qiu
- Department of Organ Transplantation, Renmin Hospital, Wuhan University, Wuhan, China
- Department of Urology, Renmin Hospital, Wuhan University, Wuhan, China
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13
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Alwadei N, Rashid M, Chandrashekar DV, Rahighi S, Totonchy J, Sharma A, Mehvar R. Generation and Characterization of CYP2E1-Overexpressing HepG2 Cells to Study the Role of CYP2E1 in Hepatic Hypoxia-Reoxygenation Injury. Int J Mol Sci 2023; 24:ijms24098121. [PMID: 37175827 PMCID: PMC10179595 DOI: 10.3390/ijms24098121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/24/2023] [Accepted: 04/28/2023] [Indexed: 05/15/2023] Open
Abstract
The mechanisms of hepatic ischemia/reperfusion (I/R) injury, which occurs during liver transplantation or surgery, are poorly understood. The purpose of the current study was to generate and characterize a HepG2 cell line with a stable overexpression of CYP2E1 to investigate the role of the enzyme in hypoxia/reperfusion (H/R) injury in an ex vivo setting. GFP-tagged CYP2E1 and control clones were developed, and their gene expression and protein levels of GFP and CYP2E1 were determined using RT-PCR and ELISA/Western blot analysis, respectively. Additionally, the CYP2E1 catalytic activity was determined by UPLC-MS/MS analysis of 6-hydroxychlorzoxazone formed from the chlorzoxazone substrate. The CYP2E1 and control clones were subjected to hypoxia (10 h) and reoxygenation (0.5 h), and cell death and reactive oxygen species (ROS) generation were quantitated using LDH and flow cytometry, respectively. Compared with the control clone, the selected CYP2E1 clone showed a 720-fold increase in CYP2E1 expression and a prominent band in the western blot analysis, which was associated with a 150-fold increase in CYP2E1 catalytic activity. The CYP2E1 clone produced 2.3-fold more ROS and 1.9-fold more cell death in the H/R model. It is concluded that the constitutive CYP2E1 in the liver may play a detrimental role in hepatic I/R injury.
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Affiliation(s)
- Nouf Alwadei
- Department of Biomedical and Pharmaceutical Sciences, School of Pharmacy, Chapman University, Irvine, CA 92618, USA
| | - Mamunur Rashid
- Department of Biomedical and Pharmaceutical Sciences, School of Pharmacy, Chapman University, Irvine, CA 92618, USA
| | | | - Simin Rahighi
- Department of Biomedical and Pharmaceutical Sciences, School of Pharmacy, Chapman University, Irvine, CA 92618, USA
| | - Jennifer Totonchy
- Department of Biomedical and Pharmaceutical Sciences, School of Pharmacy, Chapman University, Irvine, CA 92618, USA
| | - Ajay Sharma
- Department of Biomedical and Pharmaceutical Sciences, School of Pharmacy, Chapman University, Irvine, CA 92618, USA
| | - Reza Mehvar
- Department of Biomedical and Pharmaceutical Sciences, School of Pharmacy, Chapman University, Irvine, CA 92618, USA
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14
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Shibata K, Hayasaka T, Sakamoto S, Hashimoto S, Kawamura N, Fujiyoshi M, Kimura T, Shimamura T, Fukai M, Taketomi A. Warm Ischemia Induces Spatiotemporal Changes in Lysophosphatidylinositol That Affect Post-Reperfusion Injury in Normal and Steatotic Rat Livers. J Clin Med 2023; 12:jcm12093163. [PMID: 37176603 PMCID: PMC10179083 DOI: 10.3390/jcm12093163] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/24/2023] [Accepted: 04/26/2023] [Indexed: 05/15/2023] Open
Abstract
Warm ischemia-reperfusion injury is a prognostic factor for hepatectomy and liver transplantation. However, its underlying molecular mechanisms are unknown. This study aimed to elucidate these mechanisms and identify the predictive markers of post-reperfusion injury. Rats with normal livers were subjected to 70% hepatic warm ischemia for 15, 30, or 90 min, while those with steatotic livers were subjected to 70% hepatic warm ischemia for only 30 min. The liver and blood were sampled at the end of ischemia and 1, 6, and 24 h after reperfusion. The serum alanine aminotransferase (ALT) activity, Suzuki injury scores, and lipid peroxidation (LPO) products were evaluated. The ALT activity and Suzuki scores increased with ischemic duration and peaked at 1 and 6 h after reperfusion, respectively. Steatotic livers subjected to 30 min ischemia and normal livers subjected to 90 min ischemia showed comparable injury. A similar trend was observed for LPO products. Imaging mass spectrometry of normal livers revealed an increase in lysophosphatidylinositol (LPI (18:0)) and a concomitant decrease in phosphatidylinositol (PI (18:0/20:4)) in Zone 1 (central venous region) with increasing ischemic duration; they returned to their basal values after reperfusion. Similar changes were observed in steatotic livers. Hepatic warm ischemia time-dependent acceleration of PI (18:0/20:4) to LPI (18:0) conversion occurs initially in Zone 1 and is more pronounced in fatty livers. Thus, the LPI (18:0)/PI (18:0/20:4) ratio is a potential predictor of post-reperfusion injury.
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Affiliation(s)
- Kengo Shibata
- Department of Gastroenterological Surgery I, Graduate School of Medicine, Hokkaido University, Sapporo 060-8638, Japan
| | - Takahiro Hayasaka
- Department of Gastroenterological Surgery I, Graduate School of Medicine, Hokkaido University, Sapporo 060-8638, Japan
| | - Sodai Sakamoto
- Department of Gastroenterological Surgery I, Graduate School of Medicine, Hokkaido University, Sapporo 060-8638, Japan
| | - Satsuki Hashimoto
- Department of Gastroenterological Surgery I, Graduate School of Medicine, Hokkaido University, Sapporo 060-8638, Japan
| | - Norio Kawamura
- Department of Transplant Surgery, Graduate School of Medicine, Hokkaido University, Sapporo 060-8638, Japan
| | - Masato Fujiyoshi
- Department of Gastroenterological Surgery I, Graduate School of Medicine, Hokkaido University, Sapporo 060-8638, Japan
| | - Taichi Kimura
- Department of Cancer Pathology, Faculty of Medicine, Hokkaido University, Sapporo 060-8638, Japan
| | - Tsuyoshi Shimamura
- Division of Organ Transplantation, Hokkaido University Hospital, Sapporo 060-8648, Japan
| | - Moto Fukai
- Department of Gastroenterological Surgery I, Graduate School of Medicine, Hokkaido University, Sapporo 060-8638, Japan
| | - Akinobu Taketomi
- Department of Gastroenterological Surgery I, Graduate School of Medicine, Hokkaido University, Sapporo 060-8638, Japan
- Department of Transplant Surgery, Graduate School of Medicine, Hokkaido University, Sapporo 060-8638, Japan
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15
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Turner S, Khan MA, Putrino D, Woodcock A, Kell DB, Pretorius E. Long COVID: pathophysiological factors and abnormalities of coagulation. Trends Endocrinol Metab 2023; 34:321-344. [PMID: 37080828 PMCID: PMC10113134 DOI: 10.1016/j.tem.2023.03.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/10/2023] [Accepted: 03/14/2023] [Indexed: 04/22/2023]
Abstract
Acute COVID-19 infection is followed by prolonged symptoms in approximately one in ten cases: known as Long COVID. The disease affects ~65 million individuals worldwide. Many pathophysiological processes appear to underlie Long COVID, including viral factors (persistence, reactivation, and bacteriophagic action of SARS CoV-2); host factors (chronic inflammation, metabolic and endocrine dysregulation, immune dysregulation, and autoimmunity); and downstream impacts (tissue damage from the initial infection, tissue hypoxia, host dysbiosis, and autonomic nervous system dysfunction). These mechanisms culminate in the long-term persistence of the disorder characterized by a thrombotic endothelialitis, endothelial inflammation, hyperactivated platelets, and fibrinaloid microclots. These abnormalities of blood vessels and coagulation affect every organ system and represent a unifying pathway for the various symptoms of Long COVID.
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Affiliation(s)
- Simone Turner
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, Private Bag X1, Matieland, 7602, South Africa
| | - M Asad Khan
- North West Lung Centre, Manchester University Hospitals, Manchester, M23 9LT, UK
| | - David Putrino
- Department of Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Ashley Woodcock
- The University of Manchester, Oxford Road, Manchester, M13 9PL, UK; Manchester Academic Health Science Centre, CityLabs, Manchester, M13 9NQ, UK
| | - Douglas B Kell
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, Private Bag X1, Matieland, 7602, South Africa; Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, Crown St, Liverpool, L69 7ZB, UK; The Novo Nordisk Foundation Centre for Biosustainability, Building 220, Kemitorvet, Technical University of Denmark, 2800 Kongens Lyngby, Denmark.
| | - Etheresia Pretorius
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, Private Bag X1, Matieland, 7602, South Africa; Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, Crown St, Liverpool, L69 7ZB, UK.
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16
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Jiang H, Shang Z, You L, Zhang J, Jiao J, Qian Y, Lin J, Wang F, Gao Y, Kong X, Sun X. Electroacupuncture Pretreatment at Zusanli (ST36) Ameliorates Hepatic Ischemia/Reperfusion Injury in Mice by Reducing Oxidative Stress via Activating Vagus Nerve-Dependent Nrf2 Pathway. J Inflamm Res 2023; 16:1595-1610. [PMID: 37092126 PMCID: PMC10120822 DOI: 10.2147/jir.s404087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Accepted: 03/28/2023] [Indexed: 04/25/2023] Open
Abstract
Background and Purpose Current pharmacological approaches to prevent hepatic ischemia/reperfusion injury (IRI) are limited. To mitigate hepatic injury, more research is needed to improve the understanding of hepatic IRI. Depending on traditional Chinese medicine (TCM) theory, acupuncture therapy has been used for the treatment of ischemic diseases with good efficacy. However, the efficacy and mechanism of acupuncture for hepatic IRI are still unclear. Methods Blood provided to the left and middle lobe of mice livers was blocked with a non-invasive clamp and then the clamps were removed for reperfusion to establish a liver IRI model. Quantitative proteomics approach was used to evaluate the impact of EA pretreatment on liver tissue proteome in the IRI group. Serum biochemistry was used to detect liver injury, inflammation, and oxidative stress levels. H&E staining and TUNEL staining were used to detect hepatocyte injury and apoptosis. Immunohistochemistry and ELISA were used to detect the degree of inflammatory cell infiltration and the level of inflammation. The anti-inflammatory and antioxidant capacities were detected by Quantitative RT-PCR and Western blotting. Results We found that EA at Zusanli (ST36) has a protective effect on hepatic IRI in mice by alleviating oxidative stress, hepatocyte death, and inflammation response. Nuclear factor E2-related factor 2 (Nrf2) as a crucial target was regulated by EA and was then successfully validated. The Nrf2 inhibitor ML385 and cervical vagotomy eliminated the protective effect in the EA treatment group. Conclusion This study firstly demonstrated that EA pretreatment at ST36 significantly ameliorates hepatic IRI in mice by inhibiting oxidative stress via activating the Nrf2 signal pathway, which was vagus nerve-dependent.
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Affiliation(s)
- Haochen Jiang
- Department of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
- Central Laboratory, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
| | - Zhi Shang
- Central Laboratory, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
| | - Liping You
- Department of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
- Central Laboratory, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
| | - Jinghao Zhang
- Department of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
| | - Junzhe Jiao
- Central Laboratory, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
| | - Yihan Qian
- Central Laboratory, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
| | - Jiacheng Lin
- Central Laboratory, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
| | - Fang Wang
- Central Laboratory, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
| | - Yueqiu Gao
- Department of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
| | - Xiaoni Kong
- Central Laboratory, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
- Xiaoni Kong, Central Laboratory, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China, Email
| | - Xuehua Sun
- Department of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
- Correspondence: Xuehua Sun, Department of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China, Email
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17
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Zhang N, Yao H, Zhang Z, Li Z, Chen X, Zhao Y, Ju R, He J, Pan H, Liu X, Lv Y. Ongoing involvers and promising therapeutic targets of hepatic fibrosis: The hepatic immune microenvironment. Front Immunol 2023; 14:1131588. [PMID: 36875101 PMCID: PMC9978172 DOI: 10.3389/fimmu.2023.1131588] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 02/02/2023] [Indexed: 02/18/2023] Open
Abstract
Hepatic fibrosis is often secondary to chronic inflammatory liver injury. During the development of hepatic fibrosis, the damaged hepatocytes and activated hepatic stellate cells (HSCs) caused by the pathogenic injury could secrete a variety of cytokines and chemokines, which will chemotactic innate and adaptive immune cells of liver tissue and peripheral circulation infiltrating into the injury site, mediating the immune response against injury and promoting tissue reparation. However, the continuous release of persistent injurious stimulus-induced inflammatory cytokines will promote HSCs-mediated fibrous tissue hyperproliferation and excessive repair, which will cause hepatic fibrosis development and progression to cirrhosis even liver cancer. And the activated HSCs can secrete various cytokines and chemokines, which directly interact with immune cells and actively participate in liver disease progression. Therefore, analyzing the changes in local immune homeostasis caused by immune response under different pathological states will greatly enrich our understanding of liver diseases' reversal, chronicity, progression, and even deterioration of liver cancer. In this review, we summarized the critical components of the hepatic immune microenvironment (HIME), different sub-type immune cells, and their released cytokines, according to their effect on the development of progression of hepatic fibrosis. And we also reviewed and analyzed the specific changes and the related mechanisms of the immune microenvironment in different chronic liver diseases.Moreover, we retrospectively analyzed whether the progression of hepatic fibrosis could be alleviated by modulating the HIME.We aimed to elucidate the pathogenesis of hepatic fibrosis and provide the possibility for exploring the therapeutic targets for hepatic fibrosis.
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Affiliation(s)
- Nana Zhang
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,National Local Joint Engineering Research Center for Precision Surgery and Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Huimin Yao
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,National Local Joint Engineering Research Center for Precision Surgery and Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Zhixuan Zhang
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,National Local Joint Engineering Research Center for Precision Surgery and Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Zhuoqun Li
- National Local Joint Engineering Research Center for Precision Surgery and Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Department of Hepatobiliary Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xue Chen
- National Local Joint Engineering Research Center for Precision Surgery and Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yan Zhao
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,National Local Joint Engineering Research Center for Precision Surgery and Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Ran Ju
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,National Local Joint Engineering Research Center for Precision Surgery and Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jiayi He
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,National Local Joint Engineering Research Center for Precision Surgery and Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Heli Pan
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,National Local Joint Engineering Research Center for Precision Surgery and Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xiaoli Liu
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,National Local Joint Engineering Research Center for Precision Surgery and Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yi Lv
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,National Local Joint Engineering Research Center for Precision Surgery and Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Department of Hepatobiliary Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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18
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Wang L, Shao J, Su C, Yang J. The application of optical technology in the diagnosis and therapy of oxidative stress-mediated hepatic ischemia-reperfusion injury. Front Bioeng Biotechnol 2023; 11:1133039. [PMID: 36890921 PMCID: PMC9986550 DOI: 10.3389/fbioe.2023.1133039] [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: 12/28/2022] [Accepted: 02/09/2023] [Indexed: 02/22/2023] Open
Abstract
Hepatic ischemia-reperfusion injury (HIRI) is defined as liver tissue damage and cell death caused by reperfusion during liver transplantation or hepatectomy. Oxidative stress is one of the important mechanisms of HIRI. Studies have shown that the incidence of HIRI is very high, however, the number of patients who can get timely and efficient treatment is small. The reason is not hard to explain that invasive ways of detection and lack of timely of diagnostic methods. Hence, a new detection method is urgently needed in clinic application. Reactive oxygen species (ROS), which are markers of oxidative stress in the liver, could be detected by optical imaging and offer timely and effective non-invasive diagnosis and monitoring. Optical imaging could become the most potential tool of diagnosis of HIRI in the future. In addition, optical technology can also be used in disease treatment. It found that optical therapy has the function of anti-oxidative stress. Consequently, it has possibility to treat HIRI caused by oxidative stress. In this review, we mainly summarized the application and prospect of optical techniques in oxidative stress-induced by HIRI.
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Affiliation(s)
- Lijuan Wang
- Department of Medicine, Hengyang Medical School, University of South China, Hengyang, China.,Department of Anesthesiology, Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Jiali Shao
- Department of Anesthesiology, Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Chen Su
- Department of Anesthesiology, Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Jinfeng Yang
- Department of Anesthesiology, Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China
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Mechanistic target of rapamycin complex 1 orchestrates the interplay between hepatocytes and Kupffer cells to determine the outcome of immune-mediated hepatitis. Cell Death Dis 2022; 13:1031. [PMID: 36494334 PMCID: PMC9734196 DOI: 10.1038/s41419-022-05487-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 11/30/2022] [Accepted: 11/30/2022] [Indexed: 12/13/2022]
Abstract
The cell-cell interaction between hepatocytes and Kupffer cells (KCs) is crucial for maintaining liver homeostasis, and the loss of KCs and hepatocytes is known to represent a common pathogenic phenomenon in autoimmune hepatitis. Until now, the mechanisms of cell-cell interaction between hepatocytes and KCs involved in immune-mediated hepatitis remains unclear. Here we dissected the impact of activated mTORC1 on the cell-cell interaction of KCs and hepatocyte in immune-mediated hepatitis. In the liver from patients with AIH and mice administrated with Con-A, mTORC1 was activated in both KCs and hepatocytes. The activated mTORC1 signal in hepatocytes with Con-A challenge caused a markedly production of miR-329-3p. Upregulated miR-329-3p inhibited SGMS1 expression in KCs through paracrine, resulting in the death of KCs. Most of maintained KCs were p-S6 positive and distributed in hepatocyte mTORC1 negative area. The activation of mTORC1 enabled KCs expressed complement factor B (CFB) to enhance the complement alternative system, which produced more complement factors to aggravate liver injury. Our findings remonstrate a heterogeneous role of mTORC1 in specific cell type for maintaining tolerogenic liver environment, and will form the basis for the development of new interventions against immune-mediated hepatitis.
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20
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Vintimilla Moscoso A, Figueira ERR, Rocha‐Filho JA, Urner M, Lanchotte C, Jukemura J, Ximenes JLS, Nahas SC, D'Albuquerque LAC, Galvao FHF. Hexafluoroisopropanol decreases liver ischemia-reperfusion injury by downregulation of high mobility group box-1 protein. Pharmacol Res Perspect 2022; 10:e01027. [PMID: 36404629 PMCID: PMC9676687 DOI: 10.1002/prp2.1027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 09/22/2022] [Accepted: 10/13/2022] [Indexed: 11/22/2022] Open
Abstract
Liver ischemia-reperfusion (IR) injury is associated with poor outcome after liver transplantation and liver resections. Hexafluoroisopropanol (HFIP) is a tri-fluorinated metabolites of volatile anesthetics and has modulatory effects on inflammation that have been observed mainly in cell culture experiments. In this survey, we investigated the effects of HFIP in a rat model of normothermic hepatic ischemia-reperfusion injury. Twenty-four male Wistar rats were randomized into three groups: (1) control in which animals were submitted to 30 min of partial liver ischemia with resection of non-ischemic liver lobes immediate after reperfusion, (2) pre-ischemia (PI) group in which animals received intravenous HFIP (67 mg/kg) 5 min before liver ischemia, and (3) pre-reperfusion (PR) group in which animals received intravenous HFIP (67 mg/kg) 5 min before reperfusion. Four hours after reperfusion, all animals were euthanized for sample collection. Aspartate and alanine transaminases, glucose, and high mobility group box-1 (HMGB-1) protein concentrations showed a significant decreased, and malondialdehyde was increased in the PR group compared with control and PI groups. Interleukin 6 (IL-6) was increased in the PI group compared with control and PR groups. IL-10 and -12 were increased in the PR and PI groups, respectively, when compared with the control group. Glucose decreased in the PR when compared with the control group. Post-conditioning with HFIP led to a decrease in hepatocellular injury and was associated with a downregulation of HMGB-1. The HFIP resulted in a better control of inflammatory response to ischemia-reperfusion even without causing a reduction in oxidative stress.
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Affiliation(s)
- Agustin Vintimilla Moscoso
- Laboratorio de Investigaçao Medica 37, Departamento de Gastroenterologia, Hospital das Clinicas HCFMUSP, Faculdade de MedicinaUniversidade de Sao PauloSao PauloBrazil
| | - Estela Regina Ramos Figueira
- Laboratorio de Investigaçao Medica 37, Departamento de Gastroenterologia, Hospital das Clinicas HCFMUSP, Faculdade de MedicinaUniversidade de Sao PauloSao PauloBrazil
- Departamento de Gastroenterologia, Hospital das Clinicas HCFMUSP, Faculdade de MedicinaUniversidade de Sao PauloSao PauloBrazil
| | - Joel Avancini Rocha‐Filho
- Laboratorio de Investigaçao Medica 37, Departamento de Gastroenterologia, Hospital das Clinicas HCFMUSP, Faculdade de MedicinaUniversidade de Sao PauloSao PauloBrazil
- Disciplina de Anestesiologia, Hospital das Clinicas HCFMUSP, Faculdade de MedicinaUniversidade de Sao PauloSao PauloBrazil
| | - Martin Urner
- Divisao Interdepartamental de Medicina IntensivaUniversidade de TorontoTorontoOntarioCanada
- Instituto de Politicas, Gestao e Avaliaçao de SaudeUniversidade de TorontoTorontoOntarioCanada
| | - Cinthia Lanchotte
- Laboratorio de Investigaçao Medica 37, Departamento de Gastroenterologia, Hospital das Clinicas HCFMUSP, Faculdade de MedicinaUniversidade de Sao PauloSao PauloBrazil
| | - Jose Jukemura
- Laboratorio de Investigaçao Medica 37, Departamento de Gastroenterologia, Hospital das Clinicas HCFMUSP, Faculdade de MedicinaUniversidade de Sao PauloSao PauloBrazil
- Departamento de Gastroenterologia, Hospital das Clinicas HCFMUSP, Faculdade de MedicinaUniversidade de Sao PauloSao PauloBrazil
| | - Jorge Luiz Saraiva Ximenes
- Laboratorio de Investigaçao Medica 37, Departamento de Gastroenterologia, Hospital das Clinicas HCFMUSP, Faculdade de MedicinaUniversidade de Sao PauloSao PauloBrazil
| | - Sergio Carlos Nahas
- Departamento de Gastroenterologia, Hospital das Clinicas HCFMUSP, Faculdade de MedicinaUniversidade de Sao PauloSao PauloBrazil
| | - Luiz Augusto Carneiro D'Albuquerque
- Laboratorio de Investigaçao Medica 37, Departamento de Gastroenterologia, Hospital das Clinicas HCFMUSP, Faculdade de MedicinaUniversidade de Sao PauloSao PauloBrazil
- Serviço de Transplante de Figado e Orgaos do Aparelho Digestivo, Departamento de Gastroenterologia, Hospital das Clinicas HCFMUSP, Faculdade de MedicinaUniversidade de Sao PauloSao PauloBrazil
| | - Flavio Henrique Ferreira Galvao
- Laboratorio de Investigaçao Medica 37, Departamento de Gastroenterologia, Hospital das Clinicas HCFMUSP, Faculdade de MedicinaUniversidade de Sao PauloSao PauloBrazil
- Serviço de Transplante de Figado e Orgaos do Aparelho Digestivo, Departamento de Gastroenterologia, Hospital das Clinicas HCFMUSP, Faculdade de MedicinaUniversidade de Sao PauloSao PauloBrazil
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21
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Li X, Su Q, Li W, Zhang X, Ran J. Analysis and identification of potential key genes in hepatic ischemia-reperfusion injury. ANNALS OF TRANSLATIONAL MEDICINE 2022; 10:1375. [PMID: 36660667 PMCID: PMC9843403 DOI: 10.21037/atm-22-6171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 12/20/2022] [Indexed: 01/01/2023]
Abstract
Background Hepatic ischemia-reperfusion injury (HIRI) is an unavoidable surgical complication after liver transplantation, but current HIRI treatments cannot achieve satisfactory clinical outcomes. Thus, safer and more effective prevention and treatment methods need to be explored. Methods Transcriptome messenger ribonucleic acid (mRNA) and long non-coding RNA (lncRNA) sequencing data were obtained from male Sprague-Dawley rats, and these data were used to identify the differentially expressed genes (DEGs) and differentially expressed lncRNAs (DE-lncRNAs) between the HIRI and control samples. A protein-protein interaction (PPI) network was also constructed for the DE-mRNAs to identify candidate genes, and the receiver operating characteristic curves of the 21 candidate genes were plotted to evaluate the diagnostic value of the candidate genes for HIRI. A random forest (RF) model, support vector machine model and generalized linear model were constructed based on the candidate genes. A gene set enrichment analysis (GSEA) of the key genes was conducted to determine the enriched pathways in the high expression groups. The miRWalk and miRanda database were used to constructed the lncRNA-miRNA-mRNA network. Finally, the expressions of the key genes were verified by quantitative real-time polymerase chain reaction (qRT-PCR). Results A total of 256 DEGs and 67 DE-lncRNAs were identified in the HIRI and control samples. To explore the interactions between the DE-mRNAs, a PPI network of 130 DEGs was constructed. Further, 21 genes were selected as the candidate genes. Subsequently, 6 genes [i.e., Keratin-14 (Krt14), Uroplakin 3B (Upk3b), Keratin 7 (Krt7), Cadherin 3 (Cdh3), mesothelin (Msln), and Glypican 3 (Gpc3)] in the RF model were defined as the key genes. The GSEA results indicated that these key genes were enriched in the terms of extracellular structure organization, and extracellular matrix organization. Moreover, a lncRNA-miRNA-mRNA network was constructed with 4 lncRNAs, 5 mRNAs, and 11 miRNAs. Finally, the results indicated that the expression of Krt14, Upk3b, Msln, and Gpc3 were more highly expressed in the control samples than the HIRI samples. Conclusions A total of 6 key genes (i.e., Krt14, Upk3b, Krt7, Cdh3, Msln, and Gpc3) were identified. Our findings provide novel ideas for the diagnosis and treatment of HIRI.
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Affiliation(s)
- Xiaokai Li
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Qiuming Su
- Department of Hepatopancreatobiliary Surgery, The Affiliated Calmette Hospital of Kunming Medical University, Kunming, China
| | - Wang Li
- Department of Hepatopancreatobiliary Surgery, The Affiliated Calmette Hospital of Kunming Medical University, Kunming, China
| | - Xibing Zhang
- Department of Hepatopancreatobiliary Surgery, The Affiliated Calmette Hospital of Kunming Medical University, Kunming, China
| | - Jianghua Ran
- Department of Hepatopancreatobiliary Surgery, The Affiliated Calmette Hospital of Kunming Medical University, Kunming, China
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22
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Huang M, Xie J, Xie X, He J, Xiong M, Yi T, Chen Y. A new pyroptosis-related signature for predicting the immune status and injury of liver ischemia-reperfusion. Am J Transl Res 2022; 14:7566-7577. [PMID: 36398223 PMCID: PMC9641426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 09/28/2022] [Indexed: 06/16/2023]
Abstract
OBJECTIVE Pyroptosis is a type of programmed cell death. This study aimed to explore the roles of key pyroptosis-related genes in liver ischemia-reperfusion injury. METHODS After collection and standardization of the transcriptome data from GSE12720 database, differentially expressed pyroptosis-related genes were identified. The risk genes screened by a random forest model were used to establish the line graph model. Consensus clustering was used to classify all samples according to the differentially expressed pyroptosis-related genes. Single-sample Gene Set Enrichment Analysis (ssGSEA) was performed to investigate the immune cell infiltration after hepatic ischemia-reperfusion. Cytoscape was used to visualize the regulatory network of transcription factor (TF)-microRNA (miRNA)-target genes. RESULTS We identified 18 significantly and differentially expressed pyroptosis-related genes between the disease and normal samples. Among these 18 genes, IL1β was positively correlated with CXCL8 (r = 0.791) and BIRC3 (r = 0.78), while ADORA3 was negatively correlated with GZMB (r = -0.567) and CXCL8 (r = -0.566). Furthermore, the random forest model constructed using the top 10 pyroptosis-related genes could predict the risk of hepatic ischemia-reperfusion. Importantly, the decision curve analysis showed that patients could benefit from the risk prediction model. Moreover, we found that the expression of TXNIP, IRF1, and GJA1 was the mostly regulated by miRNAs, while the expression of BIRC3, NFκB1, and TXNIP was regulated by the TF RELA. RELA had the most hub genes involved in the regulation. CONCLUSION Our study provides an overview of the expression landscape and the functional significance of pyroptosis-related genes in liver ischemia-reperfusion. Our findings also shed light on the clinical application of pyroptosis-related genes in the treatment of hepatic ischemia-reperfusion injury.
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Affiliation(s)
- Meijin Huang
- Department of Infectious Diseases, The First Affiliated Hospital of Jinan UniversityGuangzhou, Guangdong, P. R. China
- Department of Infectious Diseases, Affiliated Hospital of Youjiang Nationalities Medical CollegeBaise, Guangxi, P. R. China
| | - Jingyi Xie
- Department of Oncology, People’s Hospital of BaiseBaise 533000, Guangxi, P. R. China
- Youjiang Medical University for NationalitiesBaise, Guangxi, P. R. China
| | - Xike Xie
- Youjiang Medical University for NationalitiesBaise, Guangxi, P. R. China
| | - Juan He
- Youjiang Medical University for NationalitiesBaise, Guangxi, P. R. China
| | - Mingyue Xiong
- Department of Hematology, People’s Hospital of BaiseBaise, Guangxi, P. R. China
| | - Tingzhuang Yi
- Department of Oncology, Affiliated Hospital of Youjiang Medical University for NationalitiesBaise, Guangxi, P. R. China
| | - Youpeng Chen
- Department of Infectious Diseases, The First Affiliated Hospital of Jinan UniversityGuangzhou, Guangdong, P. R. China
- Department of Infectious Diseases, The Seventh Affiliated Hospital, Sun Yat-sen UniversityShenzhen, Guangdong, P. R. China
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23
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The potential role of ischaemia-reperfusion injury in chronic, relapsing diseases such as rheumatoid arthritis, Long COVID, and ME/CFS: evidence, mechanisms, and therapeutic implications. Biochem J 2022; 479:1653-1708. [PMID: 36043493 PMCID: PMC9484810 DOI: 10.1042/bcj20220154] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 08/09/2022] [Accepted: 08/10/2022] [Indexed: 02/07/2023]
Abstract
Ischaemia–reperfusion (I–R) injury, initiated via bursts of reactive oxygen species produced during the reoxygenation phase following hypoxia, is well known in a variety of acute circumstances. We argue here that I–R injury also underpins elements of the pathology of a variety of chronic, inflammatory diseases, including rheumatoid arthritis, ME/CFS and, our chief focus and most proximally, Long COVID. Ischaemia may be initiated via fibrin amyloid microclot blockage of capillaries, for instance as exercise is started; reperfusion is a necessary corollary when it finishes. We rehearse the mechanistic evidence for these occurrences here, in terms of their manifestation as oxidative stress, hyperinflammation, mast cell activation, the production of marker metabolites and related activities. Such microclot-based phenomena can explain both the breathlessness/fatigue and the post-exertional malaise that may be observed in these conditions, as well as many other observables. The recognition of these processes implies, mechanistically, that therapeutic benefit is potentially to be had from antioxidants, from anti-inflammatories, from iron chelators, and via suitable, safe fibrinolytics, and/or anti-clotting agents. We review the considerable existing evidence that is consistent with this, and with the biochemical mechanisms involved.
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24
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Gao F, Qiu X, Wang K, Shao C, Jin W, Zhang Z, Xu X. Targeting the Hepatic Microenvironment to Improve Ischemia/Reperfusion Injury: New Insights into the Immune and Metabolic Compartments. Aging Dis 2022; 13:1196-1214. [PMID: 35855339 PMCID: PMC9286916 DOI: 10.14336/ad.2022.0109] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 01/09/2022] [Indexed: 12/12/2022] Open
Abstract
Hepatic ischemia/reperfusion injury (IRI) is mainly characterized by high activation of immune inflammatory responses and metabolic responses. Understanding the molecular and metabolic mechanisms underlying development of hepatic IRI is critical for developing effective therapies for hepatic IRI. Recent advances in research have improved our understanding of the pathogenesis of IRI. During IRI, hepatocyte injury and inflammatory responses are mediated by crosstalk between the immune cells and metabolic components. This crosstalk can be targeted to treat or reverse hepatic IRI. Thus, a deep understanding of hepatic microenvironment, especially the immune and metabolic responses, can reveal new therapeutic opportunities for hepatic IRI. In this review, we describe important cells in the liver microenvironment (especially non-parenchymal cells) that regulate immune inflammatory responses. The role of metabolic components in the diagnosis and prevention of hepatic IRI are discussed. Furthermore, recent updated therapeutic strategies based on the hepatic microenvironment, including immune cells and metabolic components, are highlighted.
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Affiliation(s)
- Fengqiang Gao
- 1Department of Hepatobiliary and Pancreatic Surgery, The Center for Integrated Oncology and Precision Medicine, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China.,6Zhejiang University School of Medicine, Hangzhou, China
| | - Xun Qiu
- 1Department of Hepatobiliary and Pancreatic Surgery, The Center for Integrated Oncology and Precision Medicine, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China.,6Zhejiang University School of Medicine, Hangzhou, China
| | - Kai Wang
- 1Department of Hepatobiliary and Pancreatic Surgery, The Center for Integrated Oncology and Precision Medicine, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chuxiao Shao
- 7Department of Hepatobiliary and Pancreatic Surgery, Affiliated Lishui Hospital, Zhejiang University School of Medicine, Lishui, China
| | - Wenjian Jin
- 8Department of Hepatobiliary Surgery, the Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Zhen Zhang
- 6Zhejiang University School of Medicine, Hangzhou, China
| | - Xiao Xu
- 1Department of Hepatobiliary and Pancreatic Surgery, The Center for Integrated Oncology and Precision Medicine, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China.,2Zhejiang University Cancer Center, Hangzhou, China.,3Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,4NHC Key Laboratory of Combined Multi-organ Transplantation, Hangzhou, China.,5Institute of Organ Transplantation, Zhejiang University, Hangzhou, China
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25
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Huang J, Xian S, Liu Y, Chen X, Pu K, Wang H. A Renally Clearable Activatable Polymeric Nanoprobe for Early Detection of Hepatic Ischemia-Reperfusion Injury. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2201357. [PMID: 35436014 DOI: 10.1002/adma.202201357] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 04/05/2022] [Indexed: 06/14/2023]
Abstract
Although hepatic ischemia-reperfusion injury (IRI) represents a major complication in many clinical settings, it remains a diagnostic dilemma due to its reliance on insensitive assays or invasive biopsy. The development of an activatable polymeric nanoprobe (APNSO ) for real-time in vivo near-infrared fluorescence (NIRF) imaging and urinalysis of hepatic IRI is reported here. APNSO has a backbone comprising renally clearable fluorophore fragments and self-immolative structural units. In the presence of an oxidative stress biomarker (superoxide anion, O2 •- ) during hepatic IRI, APNSO can be fluorescently activated for in vivo NIRF imaging and depolymerized to release renally clearable fluorophores for urinalysis. By virtue of its high hepatic accumulation, sensitive response toward O2 •- , and effective release of renally clearable fluorophores, APNSO -based imaging and urinalysis detect hepatic IRI at least 7 h earlier than typical clinical assays in a mouse model. This study not only provides new opportunities for noninvasive diagnosis of hepatic IRI, but also reveals guidelines for the development of optical nanosensors for early urinalysis.
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Affiliation(s)
- Jiaguo Huang
- The First Affiliated Hospital, NHC Key Laboratory of Combined Multi-Organ Transplantation, Zhejiang University School of Medicine, Zhejiang Province, Hangzhou, 310003, P. R. China
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Shiyun Xian
- The First Affiliated Hospital, NHC Key Laboratory of Combined Multi-Organ Transplantation, Zhejiang University School of Medicine, Zhejiang Province, Hangzhou, 310003, P. R. China
| | - Yi Liu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Xiaona Chen
- The First Affiliated Hospital, NHC Key Laboratory of Combined Multi-Organ Transplantation, Zhejiang University School of Medicine, Zhejiang Province, Hangzhou, 310003, P. R. China
| | - Kanyi Pu
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore, 637457, Singapore
| | - Hangxiang Wang
- The First Affiliated Hospital, NHC Key Laboratory of Combined Multi-Organ Transplantation, Zhejiang University School of Medicine, Zhejiang Province, Hangzhou, 310003, P. R. China
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Dingfelder J, Rauter L, Berlakovich GA, Kollmann D. Biliary Viability Assessment and Treatment Options of Biliary Injury During Normothermic Liver Perfusion—A Systematic Review. Transpl Int 2022; 35:10398. [PMID: 35707635 PMCID: PMC9189281 DOI: 10.3389/ti.2022.10398] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 04/25/2022] [Indexed: 11/30/2022]
Abstract
In recent years, significant progress has been made in the field of liver machine perfusion. Many large transplant centers have implemented machine perfusion strategies in their clinical routine. Normothermic machine perfusion (NMP) is primarily used to determine the quality of extended criteria donor (ECD) organs and for logistical reasons. The vast majority of studies, which assessed the viability of perfused grafts, focused on hepatocellular injury. However, biliary complications are still a leading cause of post-transplant morbidity and the need for re-transplantation. To evaluate the extent of biliary injury during NMP, reliable criteria that consider cholangiocellular damage are needed. In this review, different approaches to assess damage to the biliary tree and the current literature on the possible effects of NMP on the biliary system and biliary injury have been summarized. Additionally, it provides an overview of novel biomarkers and therapeutic strategies that are currently being investigated. Although expectations of NMP to adequately assess biliary injury are high, scant literature is available. There are several biomarkers that can be measured in bile that have been associated with outcomes after transplantation, mainly including pH and electrolytes. However, proper validation of those and other novel markers and investigation of the pathophysiological effect of NMP on the biliary tree is still warranted.
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Jung E, Song N, Lee Y, Kwon G, Kwon S, Lee D. H2O2-activatable hybrid prodrug nanoassemblies as a pure nanodrug for hepatic ischemia/reperfusion injury. Biomaterials 2022; 284:121515. [DOI: 10.1016/j.biomaterials.2022.121515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 03/28/2022] [Accepted: 04/04/2022] [Indexed: 11/02/2022]
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Zhang T, Huang W, Ma Y. Down-regulation of TRPM2 attenuates hepatic ischemia/reperfusion injury through activation of autophagy and inhibition of NLRP3 inflammasome pathway. Int Immunopharmacol 2022; 104:108443. [PMID: 35021129 DOI: 10.1016/j.intimp.2021.108443] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 12/02/2021] [Accepted: 12/03/2021] [Indexed: 11/22/2022]
Abstract
AIM Hepatic ischemia/reperfusion (I/R) injury is a significant pathological process that contributes to high morbidity and mortality rates, although the underlying mechanism is unknown. Recent studies have shown that transient receptor potential melastatin 2 (TRPM2) plays a critical role in organ I/R injury, but the exact mechanism is elusive. This study investigates the role and mechanism of TPRM2 in hepatic I/R injury and oxygen-glucosedeprivation/reoxygenation (OGD/R) induced hepatocyte injury. METHODS We evaluated the effects of TRPM2 on hepatic I/R injury using a knockout mouse model of hepatic I/R. In a model of OGD/R in hepatocytes, we investigated the mechanism of TPRM2 in it using the autophagy agonist and inhibitor and an NLRP3 inhibitor. RESULTS We discovered that knockout of TRPM2 protected against hepatic I/R accompanied by autophagy activation and NLRP3 inflammasome pathway inhibition. Furthermore, increasing autophagy attenuated OGD/R-induced cell injury and knockdown of TRPM2 alleviated the injury by activating autophagy. Additionally, we detected the expression of NLRP3 inflammasome pathway in the OGD/R-induced hepatocytes which had been treated with the autophagy agonist and inhibitor, and found that autophagy negatively regulated the NLRP3 inflammasome pathway. Moreover, we discovered that the administration of NLRP3-inhibitor INF39 increased cell viability and caused a decline in cell death in the OGD/R-treated hepatocytes. CONCLUSIONS Downregulation of TRPM2 protected the liver against I/R injury and OGD/R induced injury, mediated by autophagy activation and inhibition of the NLRP3 inflammasome pathway, whereas autophagy negatively regulated the NLRP3 inflammasome pathway in this process.
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Affiliation(s)
- Tao Zhang
- Department of anesthesiology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Wenqi Huang
- Department of anesthesiology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China.
| | - Yi Ma
- Organ transplantation center, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China.
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Zhang S, Rao S, Yang M, Ma C, Hong F, Yang S. Role of Mitochondrial Pathways in Cell Apoptosis during He-Patic Ischemia/Reperfusion Injury. Int J Mol Sci 2022; 23:ijms23042357. [PMID: 35216473 PMCID: PMC8877300 DOI: 10.3390/ijms23042357] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/13/2022] [Accepted: 02/17/2022] [Indexed: 12/15/2022] Open
Abstract
Hepatic ischemia-reperfusion injury is a major cause of post-operative hepatic dysfunction and liver failure after transplantation. Mitochondrial pathways can be either beneficial or detrimental to hepatic cell apoptosis during hepatic ischemia/reperfusion injury, depending on multiple factors. Hepatic ischemia/reperfusion injury may be induced by opened mitochondrial permeability transition pore, released apoptosis-related proteins, up-regulated B-cell lymphoma-2 gene family proteins, unbalanced mitochondrial dynamics, and endoplasmic reticulum stress, which are integral parts of mitochondrial pathways. In this review, we discuss the role of mitochondrial pathways in apoptosis that account for the most deleterious effect of hepatic ischemia/reperfusion injury.
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Affiliation(s)
- Sen Zhang
- Experimental Center of Pathogen Biology, College of Medicine, Nanchang University, Nanchang 330006, China; (S.Z.); (S.R.); (C.M.)
- Department of Physiology, College of Medicine, Nanchang University, Nanchang 330006, China
| | - Sijing Rao
- Experimental Center of Pathogen Biology, College of Medicine, Nanchang University, Nanchang 330006, China; (S.Z.); (S.R.); (C.M.)
- Department of Physiology, College of Medicine, Nanchang University, Nanchang 330006, China
| | - Meiwen Yang
- Department of Surgery, Fuzhou Medical College, Nanchang University, Fuzhou 344099, China;
| | - Chen Ma
- Experimental Center of Pathogen Biology, College of Medicine, Nanchang University, Nanchang 330006, China; (S.Z.); (S.R.); (C.M.)
- Department of Physiology, College of Medicine, Nanchang University, Nanchang 330006, China
| | - Fengfang Hong
- Experimental Center of Pathogen Biology, College of Medicine, Nanchang University, Nanchang 330006, China; (S.Z.); (S.R.); (C.M.)
- Correspondence: (F.H.); or (S.Y.)
| | - Shulong Yang
- Department of Physiology, College of Medicine, Nanchang University, Nanchang 330006, China
- Department of Physiology, Fuzhou Medical College, Nanchang University, Fuzhou 344099, China
- Correspondence: (F.H.); or (S.Y.)
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PEG35 as a Preconditioning Agent against Hypoxia/Reoxygenation Injury. Int J Mol Sci 2022; 23:ijms23031156. [PMID: 35163080 PMCID: PMC8834864 DOI: 10.3390/ijms23031156] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/18/2022] [Accepted: 01/19/2022] [Indexed: 12/22/2022] Open
Abstract
Pharmacological conditioning is a protective strategy against ischemia/reperfusion injury, which occurs during liver resection and transplantation. Polyethylene glycols have shown multiple benefits in cell and organ preservation, including antioxidant capacity, edema prevention and membrane stabilization. Recently, polyethylene glycol 35 kDa (PEG35) preconditioning resulted in decreased hepatic injury and protected the mitochondria in a rat model of cold ischemia. Thus, the study aimed to decipher the mechanisms underlying PEG35 preconditioning-induced protection against ischemia/reperfusion injury. A hypoxia/reoxygenation model using HepG2 cells was established to evaluate the effects of PEG35 preconditioning. Several parameters were assessed, including cell viability, mitochondrial membrane potential, ROS production, ATP levels, protein content and gene expression to investigate autophagy, mitochondrial biogenesis and dynamics. PEG35 preconditioning preserved the mitochondrial function by decreasing the excessive production of ROS and subsequent ATP depletion, as well as by recovering the membrane potential. Furthermore, PEG35 increased levels of autophagy-related proteins and the expression of genes involved in mitochondrial biogenesis and fusion. In conclusion, PEG35 preconditioning effectively ameliorates hepatic hypoxia/reoxygenation injury through the enhancement of autophagy and mitochondrial quality control. Therefore, PEG35 could be useful as a potential pharmacological tool for attenuating hepatic ischemia/reperfusion injury in clinical practice.
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Bardallo RG, Panisello‐Roselló A, Sanchez‐Nuno S, Alva N, Roselló‐Catafau J, Carbonell T. Nrf2 and Oxidative Stress in liver Ischemia/Reperfusion Injury. FEBS J 2021; 289:5463-5479. [PMID: 34967991 DOI: 10.1111/febs.16336] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 11/18/2021] [Accepted: 12/29/2021] [Indexed: 11/28/2022]
Affiliation(s)
- Raquel G. Bardallo
- Department of Cell Biology, Physiology and Immunology Universitat de Barcelona Spain
| | - Arnau Panisello‐Roselló
- Experimental Pathology Department Institute of Biomedical Research of Barcelona (IIBB) CSIC‐IDIBAPS Barcelona Spain
| | - Sergio Sanchez‐Nuno
- Department of Cell Biology, Physiology and Immunology Universitat de Barcelona Spain
| | - Norma Alva
- Department of Cell Biology, Physiology and Immunology Universitat de Barcelona Spain
| | - Joan Roselló‐Catafau
- Experimental Pathology Department Institute of Biomedical Research of Barcelona (IIBB) CSIC‐IDIBAPS Barcelona Spain
| | - Teresa Carbonell
- Department of Cell Biology, Physiology and Immunology Universitat de Barcelona Spain
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Protective mechanisms of telmisartan against hepatic ischemia/reperfusion injury in rats may involve PPARγ-induced TLR4/NF-κB suppression. Biomed Pharmacother 2021; 145:112374. [PMID: 34915671 DOI: 10.1016/j.biopha.2021.112374] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 10/20/2021] [Accepted: 10/25/2021] [Indexed: 12/12/2022] Open
Abstract
Hepatic ischemia-reperfusion (I/R) is an important cause of liver damage in many clinical situations. Toll-like receptor 4 (TLR4)/nuclear factor-kappa B (NF-κB) is an inflammatory pathway activated in hepatic I/R injury. Telmisartan, a selective angiotensin II type 1 receptor antagonist and peroxisome proliferator-activated receptor-gamma (PPARγ) partial agonist, can inhibit the expression of pro-inflammatory cytokines. The present work investigated the possible protective effect of telmisartan against hepatic I/R injury and explored its possible mechanisms in rats. Rats were divided into four equal groups: sham-operated control, telmisartan-treated sham-operated control, I/R untreated, and I/R telmisartan-treated groups. Hepatic injury was evaluated biochemically by serum activity of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) and histopathological examination. Hepatic oxidative stress biomarkers, myeloperoxidase level, PPARγ and TLR4 mRNA expression, and NF-κB and active caspase 3 immunoexpression were determined. The study showed that telmisartan attenuated hepatic I/R, as evidenced by decreased serum ALT and AST activities and confirmed by improvement of the histopathological changes. The protective effect of telmisartan was associated with modulation of oxidative stress parameters, myeloperoxidase level, PPARγ and TLR4 mRNA expression, and NF-κB and caspase 3 immunoexpression. Taken together, the current study showed that telmisartan could protect the rat liver from I/R injury. This hepatoprotective effect was attributed to, at least in part, increase in PPARγ expression and suppression of TLR4/NF-κB pathway.
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Yu Q, Chen S, Tang H, Zhang X, Tao R, Yan Z, Shi J, Guo W, Zhang S. Veratric acid alleviates liver ischemia/reperfusion injury by activating the Nrf2 signaling pathway. Int Immunopharmacol 2021; 101:108294. [PMID: 34749250 DOI: 10.1016/j.intimp.2021.108294] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 10/14/2021] [Accepted: 10/19/2021] [Indexed: 01/22/2023]
Abstract
Oxidative stress following liver ischemia/reperfusion (I/R) is an important pathological mechanism responsible for liver injury. Veratric acid (VA) is a phenolic benzoic acid that has been reported to have antioxidant properties. However, whether VA has protective effects against liver I/R injury remains unclear. In the present study, a mouse liver I/R injury model was established. VA was administered intragastrically for one week before liver I/R. Biochemical indicators, histological analysis, cell apoptosis, oxidative stress, and pathway proteins were tested to evaluate the protective effects of VA on liver I/R injury. Furthermore, a mouse AML12 hepatocyte hypoxia/reoxygenation (H/R) model was used to explore the underlying mechanism. VA alleviated liver I/R injury, as manifested by decreased alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels, liver necrotic area, oxidative stress, and hepatocyte apoptosis. VA pretreatment increased the expression of Nrf2 and its downstream antioxidant proteins heme oxygenase-1 (HO-1) and NADPH quinone oxidoreductase 1 (NQO-1). In addition, VA pretreatment increased AML12 cell activity and decreased oxidative stress; it also decreased the apoptosis induced by H/R. Moreover, the protective effect of VA on hepatocytes was related to the activation of the Nrf2 signaling pathway, and to increases in the Nrf2, HO-1, and NQO-1 protein expression. The inhibition of Nrf2 with ML385 offseted VA-mediated protection in AML12 cells. In conclusion, these results suggest that VA protects the liver from oxidative stress and apoptosis induced by liver I/R injury by activating the Nrf2 signaling pathway.
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Affiliation(s)
- Qiwen Yu
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China; Open and Key Laboratory of Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation at Henan Province, Zhengzhou, Henan, China; Zhengzhou Key Laboratory of Organ Transplantation Technology and Application Engineering, Zhengzhou, Henan, China
| | - Sanyang Chen
- Department of Emergency Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Hongwei Tang
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China; Open and Key Laboratory of Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation at Henan Province, Zhengzhou, Henan, China; Zhengzhou Key Laboratory of Organ Transplantation Technology and Application Engineering, Zhengzhou, Henan, China
| | - Xiaodan Zhang
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China; Open and Key Laboratory of Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation at Henan Province, Zhengzhou, Henan, China; Zhengzhou Key Laboratory of Organ Transplantation Technology and Application Engineering, Zhengzhou, Henan, China
| | - Ruolin Tao
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China; Open and Key Laboratory of Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation at Henan Province, Zhengzhou, Henan, China; Zhengzhou Key Laboratory of Organ Transplantation Technology and Application Engineering, Zhengzhou, Henan, China
| | - Zhiping Yan
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China; Open and Key Laboratory of Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation at Henan Province, Zhengzhou, Henan, China; Zhengzhou Key Laboratory of Organ Transplantation Technology and Application Engineering, Zhengzhou, Henan, China
| | - Jihua Shi
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China; Open and Key Laboratory of Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation at Henan Province, Zhengzhou, Henan, China; Zhengzhou Key Laboratory of Organ Transplantation Technology and Application Engineering, Zhengzhou, Henan, China
| | - Wenzhi Guo
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China; Open and Key Laboratory of Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation at Henan Province, Zhengzhou, Henan, China; Zhengzhou Key Laboratory of Organ Transplantation Technology and Application Engineering, Zhengzhou, Henan, China
| | - Shuijun Zhang
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China; Open and Key Laboratory of Hepatobiliary & Pancreatic Surgery and Digestive Organ Transplantation at Henan Province, Zhengzhou, Henan, China; Zhengzhou Key Laboratory of Organ Transplantation Technology and Application Engineering, Zhengzhou, Henan, China.
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Ji H, Li H, Zhang H, Cheng Z. Role of microRNA‑218‑5p in sevoflurane‑induced protective effects in hepatic ischemia/reperfusion injury mice by regulating GAB2/PI3K/AKT pathway. Mol Med Rep 2021; 25:1. [PMID: 34726254 PMCID: PMC8600399 DOI: 10.3892/mmr.2021.12517] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 05/20/2021] [Indexed: 12/11/2022] Open
Abstract
Hepatic ischemia/reperfusion (I/R) injury (HIRI) often occurs following tissue resection, hemorrhagic shock or transplantation surgery. Previous investigations showed that sevoflurane (Sevo), an inhalation anesthetic, had protective properties against different organ damage in animal models including HIRI. This study is aimed to investigate the underlying mechanisms involved in the protective effects of Sevo on HIRI. The present study results showed that treatment with Sevo improved histologic damage, inflammatory response, oxidative stress and apoptosis after hepatic I/R, indicating the protective role of Sevo against liver I/R injury. Importantly, in order to determine the molecular mechanism of Sevo in HIRI, the focus of the study was on microRNA (miR) regulation. By retrieving the microarray data in the Gene Expression Omnibus dataset (GSE72315), miR-218-5p was found to be significantly downregulated by Sevo. Moreover, miR-218-5p overexpression using agomiR-218-5p reversed the protective roles of Sevo against HIRI. Furthermore, GAB2, a positive regulator of PI3K/AKT signaling pathway, was found as a target gene of miR-218-5p. It was also found that the Sevo-mediated protective effects may be dependent on the activation of GAB2/PI3K/AKT. Collectively, these data revealed that Sevo alleviated HIRI in mice by restraining apoptosis, relieving oxidative stress and inflammatory response through the miR-218-5p/GAB2/PI3K/AKT pathway, which helps in understanding the novel mechanism of the hepatic-protection of Sevo.
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Affiliation(s)
- Hui Ji
- Department of Anesthesiology, Xinhua Hospital, Chongming Branch, Shanghai 202150, P.R. China
| | - Hui Li
- Department of Anesthesiology, Xinhua Hospital, Chongming Branch, Shanghai 202150, P.R. China
| | - Haixia Zhang
- Department of Anesthesiology, Xinhua Hospital, Chongming Branch, Shanghai 202150, P.R. China
| | - Zhijun Cheng
- Department of Anesthesiology, Xinhua Hospital, Chongming Branch, Shanghai 202150, P.R. China
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Zhou Y, Tan Z, Huang H, Zeng Y, Chen S, Wei J, Huang G, Qian C, Yuan G, He S. Baicalein pre-treatment alleviates hepatic ischemia/reperfusion injury in mice by regulating the Nrf2/ARE pathway. Exp Ther Med 2021; 22:1380. [PMID: 34650628 PMCID: PMC8506949 DOI: 10.3892/etm.2021.10816] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 08/04/2021] [Indexed: 12/17/2022] Open
Abstract
Hepatic ischemia-reperfusion injury (HIRI) is caused by blood flow recovery following ischemia. Baicalein (BAI), a natural antioxidant used in traditional Chinese medicine, eliminates excessive free radicals and protects the structure of the cell membrane. However, its protective mechanism against HIRI is still unclear. The present study investigated underlying mechanism using a mouse HIRI model. Liver injury was evaluated using serum levels of alanine aminotransferase and aspartate aminotransferase, and hematoxylin-eosin staining was performed to evaluate the pathological changes in liver tissue. Apoptosis of hepatocytes was detected by TUNEL staining. The expression levels of reactive oxygen species (ROS), malondialdehyde (MDA) and superoxide dismutase (SOD) in the liver were detected to evaluate oxidative stress. Western blotting was performed to assess expression levels of nuclear factor E2-related factor 2 (Nrf2)/antioxidant response elements (ARE) pathway proteins in liver tissue. BAI pre-treatment significantly decreased elevation of serum aminotransferase levels induced by IR and alleviated histological damage to the liver. BAI decreased production of ROS and MDA in liver tissue induced by IR and increased the activity of SOD. At the same time, BAI inhibited apoptosis of liver cells induced by oxidative stress. Furthermore, BAI promoted the translocation of Nrf2 into the nucleus and increased the expression of total heme oxygenase-1 and NAD(P)H dehydrogenase quinone-1. The Nrf2 inhibitor ML385 reversed the protective effect of BAI on HIRI. These results indicated that BAI served a protective effect in HIRI by regulating the Nrf2/ARE pathway.
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Affiliation(s)
- Yi Zhou
- Division of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi 530021, P.R. China.,Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Department of Science and Technology of Guangxi, Nanning, Guangxi 530021, P.R. China
| | - Zhi Tan
- Division of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi 530021, P.R. China.,Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Department of Science and Technology of Guangxi, Nanning, Guangxi 530021, P.R. China
| | - Hao Huang
- Division of Hepatobiliary Surgery, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi 541001, P.R. China
| | - Yonglian Zeng
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi 530021, P.R. China.,Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Department of Science and Technology of Guangxi, Nanning, Guangxi 530021, P.R. China
| | - Shilian Chen
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi 530021, P.R. China.,Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Department of Science and Technology of Guangxi, Nanning, Guangxi 530021, P.R. China
| | - Jie Wei
- Division of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi 530021, P.R. China.,Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Department of Science and Technology of Guangxi, Nanning, Guangxi 530021, P.R. China
| | - Guozhen Huang
- Division of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi 530021, P.R. China.,Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Department of Science and Technology of Guangxi, Nanning, Guangxi 530021, P.R. China
| | - Chaosi Qian
- Division of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi 530021, P.R. China.,Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Department of Science and Technology of Guangxi, Nanning, Guangxi 530021, P.R. China
| | - Guandou Yuan
- Division of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi 530021, P.R. China.,Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Department of Science and Technology of Guangxi, Nanning, Guangxi 530021, P.R. China
| | - Songqing He
- Division of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China.,Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi 530021, P.R. China.,Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Department of Science and Technology of Guangxi, Nanning, Guangxi 530021, P.R. China
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Hu C, Zhao L, Zhang F, Li L. Regulation of autophagy protects against liver injury in liver surgery-induced ischaemia/reperfusion. J Cell Mol Med 2021; 25:9905-9917. [PMID: 34626066 PMCID: PMC8572770 DOI: 10.1111/jcmm.16943] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 08/10/2021] [Accepted: 09/08/2021] [Indexed: 12/16/2022] Open
Abstract
Transient ischaemia and reperfusion in liver tissue induce hepatic ischaemia/reperfusion (I/R) tissue injury and a profound inflammatory response in vivo. Hepatic I/R can be classified into warm I/R and cold I/R and is characterized by three main types of cell death, apoptosis, necrosis and autophagy, in rodents or patients following I/R. Warm I/R is observed in patients or animal models undergoing liver resection, haemorrhagic shock, trauma, cardiac arrest or hepatic sinusoidal obstruction syndrome when vascular occlusion inhibits normal blood perfusion in liver tissue. Cold I/R is a condition that affects only patients who have undergone liver transplantation (LT) and is caused by donated liver graft preservation in a hypothermic environment prior to entering a warm reperfusion phase. Under stress conditions, autophagy plays a critical role in promoting cell survival and maintaining liver homeostasis by generating new adenosine triphosphate (ATP) and organelle components after the degradation of macromolecules and organelles in liver tissue. This role of autophagy may contribute to the protection of hepatic I/R‐induced liver injury; however, a considerable amount of evidence has shown that autophagy inhibition also protects against hepatic I/R injury by inhibiting autophagic cell death under specific circumstances. In this review, we comprehensively discuss current strategies and underlying mechanisms of autophagy regulation that alleviates I/R injury after liver resection and LT. Directed autophagy regulation can maintain liver homeostasis and improve liver function in individuals undergoing warm or cold I/R. In this way, autophagy regulation can contribute to improving the prognosis of patients undergoing liver resection or LT.
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Affiliation(s)
- Chenxia Hu
- Collaborative Innovation Center for the Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Lingfei Zhao
- Key Laboratory of Kidney Disease Prevention and Control Technology, Kidney Disease Center, Institute of Nephrology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Fen Zhang
- Collaborative Innovation Center for the Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Lanjuan Li
- Collaborative Innovation Center for the Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Zhou J, Hu M, He M, Wang X, Sun D, Huang Y, Cheng X, Fu J, Cai J, Ma T, Tian S, Hu Y, Hu F, Liu D, He Y, Yan L, She ZG, Zhang XJ, Ji YX, Liu H, Li H, Yang H, Zhang P. TNFAIP3 Interacting Protein 3 Is an Activator of Hippo-YAP Signaling Protecting Against Hepatic Ischemia/Reperfusion Injury. Hepatology 2021; 74:2133-2153. [PMID: 34133792 DOI: 10.1002/hep.32015] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 05/26/2021] [Accepted: 06/09/2021] [Indexed: 12/17/2022]
Abstract
BACKGROUND AND AIMS Hepatic ischemia/reperfusion (I/R) injury, a common clinical problem that occurs during liver surgical procedures, causes a large proportion of early graft failure and organ rejection cases. The identification of key regulators of hepatic I/R injury may provide potential strategies to clinically improve the prognosis of liver surgery. Here, we aimed to identify the role of tumor necrosis factor alpha-induced protein 3-interacting protein 3 (TNIP3) in hepatic I/R injury and further reveal its immanent mechanisms. APPROACH AND RESULTS In the present study, we found that hepatocyte TNIP3 was markedly up-regulated in livers of both persons and mice subjected to I/R surgery. Hepatocyte-specific Tnip3 overexpression effectively attenuated I/R-induced liver necrosis and inflammation, but improved cell proliferation in mice, whereas TNIP3 ablation largely aggravated liver injury. This inhibitory effect of TNIP3 on hepatic I/R injury was found to be dependent on significant activation of the Hippo-YAP signaling pathway. Mechanistically, TNIP3 was found to directly interact with large tumor suppressor 2 (LATS2) and promote neuronal precursor cell-expressed developmentally down-regulated 4-mediated LATS2 ubiquitination, leading to decreased Yes-associated protein (YAP) phosphorylation at serine 112 and the activated transcription of factors downstream of YAP. Notably, adeno-associated virus delivered TNIP3 expression in the liver substantially blocked I/R injury in mice. CONCLUSIONS TNIP3 is a regulator of hepatic I/R injury that alleviates cell death and inflammation by assisting ubiquitination and degradation of LATS2 and the resultant YAP activation.TNIP3 represents a promising therapeutic target for hepatic I/R injury to improve the prognosis of liver surgery.
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Affiliation(s)
- Junjie Zhou
- Medical Science Research Center, Zhongnan Hospital, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
| | - Manli Hu
- Medical Science Research Center, Zhongnan Hospital, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
| | - Meiling He
- Medical Science Research Center, Zhongnan Hospital, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
| | - Xiaoming Wang
- Medical Science Research Center, Zhongnan Hospital, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
| | - Dating Sun
- Institute of Model Animal, Wuhan University, Wuhan, China
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yongping Huang
- Institute of Model Animal, Wuhan University, Wuhan, China
- College of Life Sciences, Wuhan University, Wuhan, China
| | - Xu Cheng
- Institute of Model Animal, Wuhan University, Wuhan, China
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Jiajun Fu
- Medical Science Research Center, Zhongnan Hospital, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
| | - Jie Cai
- Institute of Model Animal, Wuhan University, Wuhan, China
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Tengfei Ma
- Institute of Model Animal, Wuhan University, Wuhan, China
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Song Tian
- Institute of Model Animal, Wuhan University, Wuhan, China
| | - Yufeng Hu
- Medical Science Research Center, Zhongnan Hospital, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
| | - Fengjiao Hu
- Medical Science Research Center, Zhongnan Hospital, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
| | - Dan Liu
- Institute of Model Animal, Wuhan University, Wuhan, China
| | - Yanqi He
- Institute of Model Animal, Wuhan University, Wuhan, China
| | - Lanlan Yan
- Institute of Model Animal, Wuhan University, Wuhan, China
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhi-Gang She
- Institute of Model Animal, Wuhan University, Wuhan, China
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiao-Jing Zhang
- Medical Science Research Center, Zhongnan Hospital, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
| | - Yan-Xiao Ji
- Medical Science Research Center, Zhongnan Hospital, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
| | - Hui Liu
- Institute of Model Animal, Wuhan University, Wuhan, China
- Tongren Hospital of Wuhan University and Wuhan Third Hospital, Wuhan, China
| | - Hongliang Li
- Medical Science Research Center, Zhongnan Hospital, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Hailong Yang
- Institute of Model Animal, Wuhan University, Wuhan, China
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Peng Zhang
- Medical Science Research Center, Zhongnan Hospital, School of Basic Medical Sciences, Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
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Duong QV, Levitsky Y, Dessinger MJ, Strubbe-Rivera JO, Bazil JN. Identifying Site-Specific Superoxide and Hydrogen Peroxide Production Rates From the Mitochondrial Electron Transport System Using a Computational Strategy. FUNCTION (OXFORD, ENGLAND) 2021; 2:zqab050. [PMID: 35330793 PMCID: PMC8788716 DOI: 10.1093/function/zqab050] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 08/02/2021] [Accepted: 09/14/2021] [Indexed: 01/07/2023]
Abstract
Mitochondrial reactive oxygen species (ROS) play important roles in cellular signaling; however, certain pathological conditions such as ischemia/reperfusion (I/R) injury disrupt ROS homeostasis and contribute to cell death. A major impediment to developing therapeutic measures against oxidative stress-induced cellular damage is the lack of a quantitative framework to identify the specific sources and regulatory mechanisms of mitochondrial ROS production. We developed a thermodynamically consistent, mass-and-charge balanced, kinetic model of mitochondrial ROS homeostasis focused on redox sites of electron transport chain complexes I, II, and III. The model was calibrated and corroborated using comprehensive data sets relevant to ROS homeostasis. The model predicts that complex I ROS production dominates other sources under conditions favoring a high membrane potential with elevated nicotinamide adenine dinucleotide (NADH) and ubiquinol (QH2) levels. In general, complex I contributes to significant levels of ROS production under pathological conditions, while complexes II and III are responsible for basal levels of ROS production, especially when QH2 levels are elevated. The model also reveals that hydrogen peroxide production by complex I underlies the non-linear relationship between ROS emission and O2 at low O2 concentrations. Lastly, the model highlights the need to quantify scavenging system activity under different conditions to establish a complete picture of mitochondrial ROS homeostasis. In summary, we describe the individual contributions of the electron transport system complex redox sites to total ROS emission in mitochondria respiring under various combinations of NADH- and Q-linked respiratory fuels under varying workloads.
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Affiliation(s)
- Quynh V Duong
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, Michigan 48824, USA
| | - Yan Levitsky
- Department of Physiology, Michigan State University, East Lansing, Michigan 48824, USA
| | - Maria J Dessinger
- Department of Physiology, Michigan State University, East Lansing, Michigan 48824, USA
| | - Jasiel O Strubbe-Rivera
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, Michigan 48824, USA
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He JX, Wang K, Zhou S, Fang XC, Zhang B, Yang Y, Wang N. Protective effect of ischemic postconditioning on ischemia reperfusion injury in steatotic rat livers. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:1295. [PMID: 34532432 PMCID: PMC8422122 DOI: 10.21037/atm-21-2275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 08/06/2021] [Indexed: 11/19/2022]
Abstract
Background Hepatic steatosis creates a significant risk of liver resection and transplantation and is extremely susceptible to ischemia/reperfusion (I/R) injury. Ischemic postconditioning (IPostC) has been shown to attenuate I/R injury in normal livers; however, its role in steatotic livers remains unknown. The current study sought to explore whether IPostC could attenuate normothermic I/R injury in rats with steatotic livers and to investigate potential protective measures. Methods Hepatic steatosis was triggered in Wistar rats fed high-fat diets. The role of IPostC was detected in normal and steatotic livers with 30 min of ischemia and 6 h of reperfusion. Blood and liver tissues were collected to assess hepatocyte damage, lipid peroxidation, inflammatory factors, neutrophil accumulation, and adenosine triphosphate (ATP) content. Results Compared to normal livers, steatotic livers were more susceptible to I/R damage, as evidenced by incremental concentrations of liver enzymes in the blood and more severe pathological changes in the liver. Hepatic I/R injury was significantly reduced by IPostC in both normal and steatotic livers. We further found that endogenous protective measures moderated lipid peroxidation, inflammatory cytokine expression and neutrophil accumulation, and reduced follow-up hepatic injury. The ATP content of steatotic livers was also significantly lower than that of Normal livers before and after I/R injury. IPostC greatly preserved the ATP content of normal and steatotic livers with I/R injury. Conclusions IPostC appears to provide important protection against hepatic I/R injury in normal and steatotic livers under normothermic conditions. These data have important clinical implications for liver surgery and transplantation.
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Affiliation(s)
- Jia-Xing He
- Department of General Surgery, Tangdu Hospital, The Air Force Medical University, Xi'an, China
| | - Ke Wang
- Department of General Surgery, Tangdu Hospital, The Air Force Medical University, Xi'an, China
| | - Shuai Zhou
- Department of General Surgery, Tangdu Hospital, The Air Force Medical University, Xi'an, China
| | - Xiong-Chao Fang
- Department of General Surgery, Tangdu Hospital, The Air Force Medical University, Xi'an, China
| | - Bo Zhang
- Department of General Surgery, Tangdu Hospital, The Air Force Medical University, Xi'an, China
| | - Ying Yang
- Department of General Surgery, Tangdu Hospital, The Air Force Medical University, Xi'an, China
| | - Nan Wang
- Department of General Surgery, Tangdu Hospital, The Air Force Medical University, Xi'an, China
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Yildirim D, Sarac F, Degerli MS, Cakir M, Akturk OM, Özcevik H, Isik Saglam ZM, Gecer MO. Rat Model Investigation on the Role of Biomarkers in Hepatic Ischemia-Reperfusion Injury. EXP CLIN TRANSPLANT 2021. [PMID: 34387147 DOI: 10.6002/ect.2021.0023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVES Liver function is affected by ischemiareperfusion. Ischemia-reperfusion injury to the liver often follows hepatobiliary surgery. Here, we investigated biomarkers of liver ischemia-reperfusion injury using an animal model. MATERIALS AND METHODS For this study, 24 male Sprague Dawley rats (146-188 g) were divided into 4 groups: group A was the control group, group B was the partial hepatic ischemia-reperfusion group, group C was the total hepatic ischemia-reperfusion group, and group D was the intermittent total hepatic ischemiareperfusion group. Laboratory liver function levels were measured before ischemia, after ischemia, and after reperfusion. We used liver and renal biopsies for histopathological examination at the end of the study. RESULTS After clamping and reperfusion, alanine aminotransferase and cystatin C levels in groups B, C, and D were significantly higher than levels in group A. In group B, after clamping, neutrophil gelatinaseassociated lipocalin levels were higher than in groups A and D, with significantly higher level than in group D after reperfusion. Neutrophil gelatinase-associated lipocalin levels decreased significantly in groups B, C, and D after reperfusion. There was significantly greater hepatic damage in groups B, C, and D compared with group A but no significant differences in renal injury scores among the groups. There was a significant positive correlation between hepatic damage and renal injury. With regard to histopathological examination versus laboratory results, a statistically significant positive correlation was shown between grade of hepatic damage and serum alanine aminotransferase and cystatin C levels. Similarly, there was a positive correlation between renal damage score and alanine aminotransferase level. CONCLUSIONS In our animal model, alanine amino - transferase and cystatin C levels tended to increase with ischemia-reperfusion injury levels but neutrophil gelatinase-associated lipocalin decreased during reperfusion. In liver ischemia, we suggest that neutrophil gelatinase-associated lipocalin may be an important biomarker for distinguishing the reperfusion phase.
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Affiliation(s)
- Dogan Yildirim
- From the Department of General Surgery, University of Health Sciences, Haseki Training and Research Hospital, Istanbul, Turkey
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The Role of Mitochondrial Function in Peripheral Arterial Disease: Insights from Translational Studies. Int J Mol Sci 2021; 22:ijms22168478. [PMID: 34445191 PMCID: PMC8395190 DOI: 10.3390/ijms22168478] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 08/03/2021] [Accepted: 08/03/2021] [Indexed: 12/03/2022] Open
Abstract
Recent evidence demonstrates an involvement of impaired mitochondrial function in peripheral arterial disease (PAD) development. Specific impairments have been assessed by different methodological in-vivo (near-infrared spectroscopy, 31P magnetic resonance spectroscopy), as well as in-vitro approaches (Western blotting of mitochondrial proteins and enzymes, assays of mitochondrial function and content). While effects differ with regard to disease severity, chronic malperfusion impacts subcellular energy homeostasis, and repeating cycles of ischemia and reperfusion contribute to PAD disease progression by increasing mitochondrial reactive oxygen species production and impairing mitochondrial function. With the leading clinical symptom of decreased walking capacity due to intermittent claudication, PAD patients suffer from a subsequent reduction of quality of life. Different treatment modalities, such as physical activity and revascularization procedures, can aid mitochondrial recovery. While the relevance of these modalities for mitochondrial functional recovery is still a matter of debate, recent research indicates the importance of revascularization procedures, with increased physical activity levels being a subordinate contributor, at least during mild stages of PAD. With an additional focus on the role of revascularization procedures on mitochondria and the identification of suitable mitochondrial markers in PAD, this review aims to critically evaluate the relevance of mitochondrial function in PAD development and progression.
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Hassan MI, Ali FE, Shalkami AGS. Role of TLR-4/IL-6/TNF-α, COX-II and eNOS/iNOS pathways in the impact of carvedilol against hepatic ischemia reperfusion injury. Hum Exp Toxicol 2021; 40:1362-1373. [PMID: 33655798 DOI: 10.1177/0960327121999442] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
AIM Hepatic ischemia/reperfusion (I/R) injury is a syndrome involved in allograft dysfunction. This work aimed to elucidate carvedilol (CAR) role in hepatic I/R injury. METHODS Male rats were allocated to Sham group, CAR group, I/R group and CAR plus I/R group. Rats subjected to hepatic ischemia for 30 minutes then reperfused for 60 minutes. Oxidative stress markers, inflammatory cytokines and nitric oxide synthases were measured in hepatic tissues. RESULTS Hepatocyte injury following I/R was confirmed by a marked increase in liver enzymes. Also, hepatic I/R increased the contents of malondialdehyde however decreased glutathione contents and activities of antioxidant enzymes. Furthermore, hepatic I/R caused elevation of toll-like receptor-4 (TLR-4) expression and inflammatory mediators levels such as tumor necrosis factor-α, interleukin-6 and cyclooxygenase-II. Hepatic I/R caused down-regulation of endothelial nitric oxide synthase and upregulation of inducible nitric oxide synthase expressions. CAR treatment before hepatic I/R resulted in the restoration of liver enzymes. Administration of CAR caused a significant correction of oxidative stress and inflammation markers as well as modulates the expression of endothelial and inducible nitric oxide synthase. CONCLUSIONS CAR protects liver from I/R injury through reduction of the oxidative stress and inflammation, and modulates endothelial and inducible nitric oxide synthase expressions.
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Affiliation(s)
- Mohamed Ia Hassan
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, 195495Al-Azhar University, Assiut, Egypt
| | - Fares Em Ali
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, 195495Al-Azhar University, Assiut, Egypt
| | - Abdel-Gawad S Shalkami
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, 195495Al-Azhar University, Assiut, Egypt
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Trocha M, Fleszar MG, Fortuna P, Lewandowski Ł, Gostomska-Pampuch K, Sozański T, Merwid-Ląd A, Krzystek-Korpacka M. Sitagliptin Modulates Oxidative, Nitrative and Halogenative Stress and Inflammatory Response in Rat Model of Hepatic Ischemia-Reperfusion. Antioxidants (Basel) 2021; 10:antiox10081168. [PMID: 34439416 PMCID: PMC8388898 DOI: 10.3390/antiox10081168] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 07/19/2021] [Accepted: 07/20/2021] [Indexed: 12/23/2022] Open
Abstract
A possibility of repurposing sitagliptin, a well-established antidiabetic drug, for alleviating injury caused by ischemia-reperfusion (IR) is being researched. The aim of this study was to shed some light on the molecular background of the protective activity of sitagliptin during hepatic IR. The expression and/or concentration of inflammation and oxidative stress-involved factors have been determined in rat liver homogenates using quantitative RT-PCR and Luminex® xMAP® technology and markers of nitrative and halogenative stress were quantified using targeted metabolomics (LC-MS/MS). Animals (n = 36) divided into four groups were treated with sitagliptin (5 mg/kg) (S and SIR) or saline solution (C and IR), and the livers from IR and SIR were subjected to ischemia (60 min) and reperfusion (24 h). The midkine expression (by 2.2-fold) and the free 3-nitrotyrosine (by 2.5-fold) and IL-10 (by 2-fold) concentration were significantly higher and the Nox4 expression was lower (by 9.4-fold) in the IR than the C animals. As compared to IR, the SIR animals had a lower expression of interleukin-6 (by 4.2-fold) and midkine (by 2-fold), a lower concentration of 3-nitrotyrosine (by 2.5-fold) and a higher Nox4 (by 2.9-fold) and 3-bromotyrosine (by 1.4-fold). In conclusion, IR disturbs the oxidative, nitrative and halogenative balance and aggravates the inflammatory response in the liver, which can be attenuated by low doses of sitagliptin.
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Affiliation(s)
- Małgorzata Trocha
- Department of Pharmacology, Wroclaw Medical University, 50-345 Wroclaw, Poland; (T.S.); (A.M.-L.)
- Correspondence: (M.T.); (M.K.-K.)
| | - Mariusz G. Fleszar
- Department of Biochemistry and Immunochemistry, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.G.F.); (P.F.); (Ł.L.); (K.G.-P.)
| | - Paulina Fortuna
- Department of Biochemistry and Immunochemistry, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.G.F.); (P.F.); (Ł.L.); (K.G.-P.)
| | - Łukasz Lewandowski
- Department of Biochemistry and Immunochemistry, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.G.F.); (P.F.); (Ł.L.); (K.G.-P.)
| | - Kinga Gostomska-Pampuch
- Department of Biochemistry and Immunochemistry, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.G.F.); (P.F.); (Ł.L.); (K.G.-P.)
| | - Tomasz Sozański
- Department of Pharmacology, Wroclaw Medical University, 50-345 Wroclaw, Poland; (T.S.); (A.M.-L.)
| | - Anna Merwid-Ląd
- Department of Pharmacology, Wroclaw Medical University, 50-345 Wroclaw, Poland; (T.S.); (A.M.-L.)
| | - Małgorzata Krzystek-Korpacka
- Department of Biochemistry and Immunochemistry, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.G.F.); (P.F.); (Ł.L.); (K.G.-P.)
- Correspondence: (M.T.); (M.K.-K.)
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Zhang X, Du P, Luo K, Li Y, Liu Z, Wang W, Zeng C, Ye Q, Xiao Q. Hypoxia-inducible factor-1alpha protects the liver against ischemia-reperfusion injury by regulating the A2B adenosine receptor. Bioengineered 2021; 12:3737-3752. [PMID: 34288817 PMCID: PMC8806673 DOI: 10.1080/21655979.2021.1953217] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Hepatic ischemia-reperfusion injury (IRI) is an inevitable complication associated with liver surgical procedures, and its pathological process remains elusive. Therefore, the present study investigated the role and mechanism of hypoxia-inducible factor-1alpha (HIF-1α) in hepatic IRI. Here, we constructed rat models with hepatic IRI and BRL-3A cell models with hypoxia/reoxygenation (H/R) insult. The extent of liver injury was assayed by measuring serum ALT/AST levels and performing H&E staining; the levels of SOD, MDA, MPO, IL-6 and TNF-α were determined using commercial kits; apoptosis was detected using the TUNEL assay and flow cytometry; and the expression of HIF-1α/A2BAR signaling-related molecules and apoptosis-associated indicators was detected using Western blotting or qRT-PCR. The expression level of HIF-1α was significantly upregulated in the liver of rats subjected to IRI, as well as in BRL-3A cells treated with H/R. HIF-1α overexpression exerted a protective effect on hepatic IRI or H/R insult by reducing serum aminotransferase levels and hepatic necrosis, inhibiting inflammation and apoptosis of hepatocytes, and alleviating oxidative stress. In contrast, inhibition of HIF-1α expression exacerbated hepatic injury induced by IR or H/R. Mechanistically, the expression level of A2BAR was markedly increased during hepatic IRI or H/R insult. Moreover, A2BAR expression increased with HIF-1α upregulation and decreased with HIF-1α downregulation. Importantly, inhibition of A2BAR signaling abolished HIF-1α overexpression-mediated hepatoprotection. Taken together, HIF-1α exerts protective effects on hepatic IRI by attenuating liver necrosis, the inflammatory response, oxidative stress and apoptosis, and its mechanism may be related to the upregulation of A2BAR signaling.
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Affiliation(s)
- Xingjian Zhang
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Peng Du
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Kaifeng Luo
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Yong Li
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Zhongzhong Liu
- Institute of Hepatobiliary Diseases, Transplant Center, Hubei Key Laboratory of Medical Technology on Transplantation, Zhongnan Hospital, Wuhan University, Wuhan, Hubei, China
| | - Wei Wang
- Institute of Hepatobiliary Diseases, Transplant Center, Hubei Key Laboratory of Medical Technology on Transplantation, Zhongnan Hospital, Wuhan University, Wuhan, Hubei, China
| | - Cheng Zeng
- Institute of Hepatobiliary Diseases, Transplant Center, Hubei Key Laboratory of Medical Technology on Transplantation, Zhongnan Hospital, Wuhan University, Wuhan, Hubei, China
| | - Qifa Ye
- Institute of Hepatobiliary Diseases, Transplant Center, Hubei Key Laboratory of Medical Technology on Transplantation, Zhongnan Hospital, Wuhan University, Wuhan, Hubei, China
| | - Qi Xiao
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
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Ahmad A, Alkharfy KM, Bin Jardan YA, Shahid M, Ansari MA, Alqahtani S, Jan BL, Al-Jenoobi FI, Raish M. Sinapic acid mitigates methotrexate-induced hepatic injuries in rats through modulation of Nrf-2/HO-1 signaling. ENVIRONMENTAL TOXICOLOGY 2021; 36:1261-1268. [PMID: 33720507 DOI: 10.1002/tox.23123] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 02/24/2021] [Accepted: 03/04/2021] [Indexed: 06/12/2023]
Abstract
The present research has been investigated to study the protective outcomes of sinapic acid (SA) against methotrexate (MTX) encouraged liver damage in rats by modulating the Nrf2/HO-1 and NF-κB signaling pathways. The animals were arbitrarily allocated into four groups: group I rats administered a 0.5% carboxymethyl cellulose (CMC) vehicle orally for 15 consecutive days with a single intravenous standard saline injection (0.9% NaCl) on day seven. Groups II, III, and IV were injected intraperitoneally with 20 mg MTX/kg on 7th day. Animals in group III and IV were treated orally for 14 days with 20 mg of SA/kg dissolved daily in 0.5% CMC respectively. In all experimental groups, liver function, biochemical, histopathological and molecular changes were evaluated. MTX-induced changes in liver function indices like ALT, AST, and ALP are substantially restored with SA pretreatment. Moreover, antioxidant defense mechanisms (GSH, SOD, and CAT) and oxidative/nitrostative stress (MDA and NO) and inflammatory cytokine (TNF-α, IL-β and MPO) were also substantially restored. Furthermore, the conclusions indicate that SA prevents the hepatic damage caused by MTX through apoptosis inhibition and stimulation of Nrf2/HO-1-medial antioxidant enzymes by NF-κB inhibition. Histological findings have shown that SA therapy has greatly protected liver damage caused by MTX.
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Affiliation(s)
- Ajaz Ahmad
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Khalid M Alkharfy
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Yousef A Bin Jardan
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Mudassar Shahid
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Mushtaq Ahmad Ansari
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Saeed Alqahtani
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Basit L Jan
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Fahad I Al-Jenoobi
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Mohammad Raish
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
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Zhou L, Yang X, Shu S, Wang S, Guo F, Yin Y, Zhou W, Han H, Chai X. Sufentanil Protects the Liver from Ischemia/Reperfusion-Induced Inflammation and Apoptosis by Inhibiting ATF4-Induced TP53BP2 Expression. Inflammation 2021; 44:1160-1174. [PMID: 33751357 DOI: 10.1007/s10753-020-01410-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/18/2020] [Accepted: 12/26/2020] [Indexed: 12/18/2022]
Abstract
Liver ischemia-reperfusion (I/R) injury is a pathological process that often occurs during liver and trauma surgery. This study aimed to investigate the protective effect and potential mechanisms of sufentanil on hepatic I/R injury. I/R rat model and hypoxic/reoxygenation (H/R)-induced buffalo rat liver (BRL)-3A cell model were established. Following pretreatment with sufentanil, the enzymatic activities of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) in rat serum and the changes of hepatic histopathology were evaluated to track the extent of liver injury. The levels of inflammatory factors were determined with ELISA kits and RT-qPCR. The infiltration of macrophages was assessed after detecting monocyte chemoattractant protein 1 (MCP-1) and F4/80 expression. Additionally, apoptosis was measured by means of TUNEL staining, and gene expression related to apoptosis was examined using RT-qPCR and western blotting. Then, TP53BP2 was overexpressed in BRL-3A cells exposed to H/R condition to evaluate whether sufentanil defended the liver against injury by regulating TP53BP2 expression. Moreover, the potential binding site of ATF4 on the TP53BP2 promoter was analyzed using JASPAR databases and verified by chromosomal immunoprecipitation (ChIP) assay. Furthermore, TP53BP2 expression and endoplasmic reticulum stress (ERS)-related protein levels were determined after ATF4 was overexpressed in sufentanil-treated BRL-3A cells. Results revealed that sufentanil significantly improved hepatic I/R injury, decreased the levels of inflammatory factors, and alleviated hepatocyte apoptosis. Notably, upregulated TP53BP2 expression was observed in hepatic tissues, and TP53BP2 overexpression markedly reversed the protective effects of sufentanil on the inflammation and apoptosis in H/R-stimulated BRL-3A cells. Additionally, ATF4 was confirmed to combine with the TP53BP2 promoter. ATF4 upregulation attenuated the inhibitory effects of sufentanil on the expression of TP53BP2 and ERS-associated proteins. These findings demonstrated that sufentanil protects the liver from inflammation and apoptosis injury induced by I/R by inhibiting ATF4 expression and further suppressing TP53BP2 expression, suggesting a promising therapeutic candidate for the treatment of liver I/R injury.
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Affiliation(s)
- Ling Zhou
- Department of Anesthesiology, Anhui Provincial Hospital, Cheeloo College of Medicine, Shangdong University, 17 Lujiang Road, Hefei, 230000, Anhui, China
| | - Xinlu Yang
- Department of Anesthesiology, Anhui Provincial Hospital, Cheeloo College of Medicine, Shangdong University, 17 Lujiang Road, Hefei, 230000, Anhui, China
| | - Shuhua Shu
- Department of Anesthesiology, Anhui Provincial Hospital, Cheeloo College of Medicine, Shangdong University, 17 Lujiang Road, Hefei, 230000, Anhui, China
| | - Sheng Wang
- Department of Anesthesiology, Anhui Provincial Hospital, Cheeloo College of Medicine, Shangdong University, 17 Lujiang Road, Hefei, 230000, Anhui, China
| | - Fenglin Guo
- Department of Anesthesiology, Anhui Provincial Hospital, Cheeloo College of Medicine, Shangdong University, 17 Lujiang Road, Hefei, 230000, Anhui, China
| | - Ying Yin
- Department of Anesthesiology, Anhui Provincial Hospital, Cheeloo College of Medicine, Shangdong University, 17 Lujiang Road, Hefei, 230000, Anhui, China
| | - Weide Zhou
- Department of Anesthesiology, Anhui Provincial Hospital, Cheeloo College of Medicine, Shangdong University, 17 Lujiang Road, Hefei, 230000, Anhui, China
| | - Han Han
- Department of Anesthesiology, Anhui Provincial Hospital, Cheeloo College of Medicine, Shangdong University, 17 Lujiang Road, Hefei, 230000, Anhui, China
| | - Xiaoqing Chai
- Department of Anesthesiology, Anhui Provincial Hospital, Cheeloo College of Medicine, Shangdong University, 17 Lujiang Road, Hefei, 230000, Anhui, China.
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Abstract
TGR5 (G protein-coupled bile acid receptor 1, GPBAR-1) is a G protein-coupled receptor with seven transmembrane domains and is widely distributed in various organs and tissues. As an important bile acid receptor, TGR5 can be activated by primary and secondary bile acids. Increased expression of TGR5 is a risk factor for polycystic liver disease and hepatobiliary cancer. However, there is evidence that the anti-inflammatory effect of the TGR5 receptor and its regulatory effect on hydrophobic bile acid confer protective effects against most liver diseases. Recent studies have shown that TGR5 receptor activation can alleviate the development of diabetic liver fibrosis, regulate the differentiation of natural killer T cells into NKT10 cells, increase the secretion of anti-inflammatory factors, inhibit the invasion of hepatitis B virus, promote white adipose tissue browning, improve arterial vascular dynamics, maintain tight junctions between bile duct cells, and protect against apoptosis. In portal hypertension, TGR5 receptor activation can inhibit the contraction of hepatic stellate cells and improve intrahepatic microcirculation. In addition, the discovery of the regulatory relationship between the TGR5 receptor and miRNA-26a provides a new direction for further studies of the molecular mechanism underlying the effects of TGR5. In this review, we describe recent findings linking TGR5 to various liver diseases, with a focus on the mechanisms underlying its effects and potential therapeutic implications.
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Affiliation(s)
- Ke Ma
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Dan Tang
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Chang Yu
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Lijin Zhao
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
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Guan Y, Yao W, Yi K, Zheng C, Lv S, Tao Y, Hei Z, Li M. Nanotheranostics for the Management of Hepatic Ischemia-Reperfusion Injury. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2007727. [PMID: 33852769 DOI: 10.1002/smll.202007727] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/21/2021] [Indexed: 06/12/2023]
Abstract
Hepatic ischemia-reperfusion injury (IRI), in which an insufficient oxygen supply followed by reperfusion leads to an inflammatory network and oxidative stress in disease tissue to cause cell death, always occurs after liver transplantations and sections. Although pharmacological treatments favorably prevent or protect the liver against experimental IRI, there have been few successes in clinical applications for patient benefits because of the incomprehension of complicated IRI-induced signaling events as well as short blood circulation time, poor solubility, and severe side reactions of most antioxidants and anti-inflammatory drugs. Nanomaterials can achieve targeted delivery and controllable release of contrast agents and therapeutic drugs in desired hepatic IRI regions for enhanced imaging sensitivity and improved therapeutic effects, emerging as novel alternative approaches for hepatic IRI diagnosis and therapy. In this review, the application of nanotechnology is summarized in the management of hepatic IRI, including nanomaterial-assisted hepatic IRI diagnosis, nanoparticulate systems-mediated remission of reactive oxygen species-induced tissue injury, and nanoparticle-based targeted drug delivery systems for the alleviation of IRI-related inflammation. The current challenges and future perspectives of these nanoenabled strategies for hepatic IRI treatment are also discussed.
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Affiliation(s)
- Yu Guan
- Laboratory of Biomaterials and Translational Medicine, Center for Nanomedicine, Department of Anesthesiology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510630, China
| | - Weifeng Yao
- Laboratory of Biomaterials and Translational Medicine, Center for Nanomedicine, Department of Anesthesiology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510630, China
| | - Ke Yi
- Laboratory of Biomaterials and Translational Medicine, Center for Nanomedicine, Department of Anesthesiology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510630, China
| | - Chunxiong Zheng
- Laboratory of Biomaterials and Translational Medicine, Center for Nanomedicine, Department of Anesthesiology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510630, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630, China
| | - Shixian Lv
- Department of Bioengineering, University of Washington, Seattle, WA, 98195, USA
| | - Yu Tao
- Laboratory of Biomaterials and Translational Medicine, Center for Nanomedicine, Department of Anesthesiology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510630, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630, China
| | - Ziqing Hei
- Laboratory of Biomaterials and Translational Medicine, Center for Nanomedicine, Department of Anesthesiology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510630, China
| | - Mingqiang Li
- Laboratory of Biomaterials and Translational Medicine, Center for Nanomedicine, Department of Anesthesiology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510630, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630, China
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Chen L, Ma K, Fan H, Wang X, Cao T. Exogenous hydrogen sulfide protects against hepatic ischemia/reperfusion injury by inhibiting endoplasmic reticulum stress and cell apoptosis. Exp Ther Med 2021; 22:799. [PMID: 34093755 PMCID: PMC8170662 DOI: 10.3892/etm.2021.10231] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 05/05/2021] [Indexed: 12/11/2022] Open
Abstract
The aim of the present study was to explore the effect of exogenous hydrogen sulphide (H2S) on endoplasmic reticulum (ER) stress (ERS) in a rat model of hepatic ischemia/reperfusion (I/R) injury. A total of 48 Sprague-Dawley rats were randomly divided into four groups (n=12/group) as follows: Sham, I/R, I/R preceded by NaHS (I/R-NaHS) and I/R preceded by L-C-propargylglycine (PAG), a H2S inhibitor (I/R-PAG). With the exception of the sham group, the rats in the other groups were subjected to 30 min hepatic warm ischemia followed by reperfusion for 6 or 12 h. Hepatic function was evaluated by serum concentrations of alanine aminotransferase (ALT). Apoptosis of hepatic cells was assessed by TUNEL staining and measurement of caspase-12 expression. The expression levels of ERS-associated proteins and mRNAs of pancreatic ER eukaryotic translation initiation factor-2a kinase (PERK), activating transcription factor-6 (ATF6), glucose-regulated protein (GRP) 78, TNF-receptor-associated factor (TRAF)-2, C/EBP homologous protein (CHOP) and caspase-12 were also measured by western blotting and reverse transcription-quantitative PCR. The serum concentrations of ALT in the I/R and I/R-PAG groups were found to be significantly higher compared with those in the sham and I/R-NaHS groups after 6 h of reperfusion; in addition, the ALT level returned to normal in the I/R group, while it increased further in the I/R-PAG group after 12 h of reperfusion. A higher cell apoptosis rate was observed in the I/R and I/R-PAG groups and the highest cell apoptosis rate was observed in the I/R-PAG group; correspondingly, the expression of caspase-12 was increased in the I/R and I/R-PAG groups. H2S appeared to significantly attenuate hepatic I/R-induced ERS response, as indicated by the decreased expression of ATF6, PERK, GRP78, TRAF2 and CHOP. Endogenous H2S may serve a hepatoprotective function after I/R, and inhibition of endogenous H2S results in aggravation of I/R damage. Exogenous H2S was shown to inhibit ERS-related gene expression, leading to suppression of inflammatory reaction and improvement of I/R damage. Therefore, exogenous H2S has therapeutic potential to alleviate hepatic I/R injury.
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Affiliation(s)
- Liang Chen
- Department of General Surgery, Affiliated Huadu Hospital of Southern Medical University (People's Hospital of Huadu District), Guangzhou, Guangdong 510800, P.R. China
| | - Keqiang Ma
- Department of General Surgery, Affiliated Huadu Hospital of Southern Medical University (People's Hospital of Huadu District), Guangzhou, Guangdong 510800, P.R. China
| | - Haining Fan
- Department of Hepatopancreatobiliary Surgery, the Affiliated Hospital of Qinghai University, Xining, Qinghai 810001, P.R. China
| | - Xiaolong Wang
- Department of General Surgery, Affiliated Huadu Hospital of Southern Medical University (People's Hospital of Huadu District), Guangzhou, Guangdong 510800, P.R. China
| | - Tiansheng Cao
- Department of General Surgery, Affiliated Huadu Hospital of Southern Medical University (People's Hospital of Huadu District), Guangzhou, Guangdong 510800, P.R. China
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50
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PGC-1 α Protects against Hepatic Ischemia Reperfusion Injury by Activating PPAR α and PPAR γ and Regulating ROS Production. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6677955. [PMID: 34104311 PMCID: PMC8159639 DOI: 10.1155/2021/6677955] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 02/05/2021] [Accepted: 04/26/2021] [Indexed: 01/19/2023]
Abstract
Peroxisome proliferator-activated receptors (PPARs) α and γ have been shown to be protective in hepatic ischemia/reperfusion (I/R) injury. However, the precise role of PPARγ coactivator-1α (PGC-1α), which can coactivate both of these receptors, in hepatic I/R injury, remains largely unknown. This study was designed to test our hypothesis that PGC-1α is protective during hepatic I/R injury in vitro and in vivo. Our results show that endogenous PGC-1α is basally expressed in normal livers and is moderately increased by I/R. Ectopic PGC-1α protects against hepatic I/R and hepatocyte anoxia/reoxygenation (A/R) injuries, whereas knockdown of endogenous PGC-1α aggravates such injuries, as evidenced by assessment of the levels of serum aminotransferases and inflammatory cytokines, necrosis, apoptosis, cell viability, and histological examination. The EMSA assay shows that the activation of PPARα and PPARγ is increased or decreased by the overexpression or knockdown of PGC-1α, respectively, during hepatic I/R and hepatocyte A/R injuries. In addition, the administration of specific antagonists of either PPARα (MK886) or PPARγ (GW9662) can effectively decrease the protective effect of PGC-1α against hepatic I/R and hepatocyte A/R injuries. We also demonstrate an important regulatory role of PGC-1α in reactive oxygen species (ROS) metabolism during hepatic I/R, which is correlated with the induction of ROS-detoxifying enzymes and is also dependent on the activations of PPARα and PPARγ. These data demonstrate that PGC-1α protects against hepatic I/R injury, mainly by regulating the activation of PPARα and PPARγ. Thus, PGC-1α may be a promising therapeutic target for the protection of the liver against I/R injury.
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