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Yuan X, Wu J, Sun Z, Cen J, Shu Y, Wang C, Li H, Lin D, Zhang K, Wu B, Dhawan A, Zhang L, Hui L. Preclinical efficacy and safety of encapsulated proliferating human hepatocyte organoids in treating liver failure. Cell Stem Cell 2024; 31:484-498.e5. [PMID: 38458193 DOI: 10.1016/j.stem.2024.02.005] [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: 11/05/2023] [Revised: 01/31/2024] [Accepted: 02/08/2024] [Indexed: 03/10/2024]
Abstract
Alginate-encapsulated hepatocyte transplantation is a promising strategy to treat liver failure. However, its clinical application was impeded by the lack of primary human hepatocytes and difficulty in controlling their quality. We previously reported proliferating human hepatocytes (ProliHHs). Here, quality-controlled ProliHHs were produced in mass and engineered as liver organoids to improve their maturity. Encapsulated ProliHHs liver organoids (eLO) were intraperitoneally transplanted to treat liver failure animals. Notably, eLO treatment increased the survival of mice with post-hepatectomy liver failure (PHLF) and ameliorated hyperammonemia and hypoglycemia by providing liver functions. Additionally, eLO treatment protected the gut from PHLF-augmented permeability and normalized the increased serum endotoxin and inflammatory response, which facilitated liver regeneration. The therapeutic effect of eLO was additionally proved in acetaminophen-induced liver failure. Furthermore, we performed assessments of toxicity and biodistribution, demonstrating that eLO had no adverse effects on animals and remained non-tumorigenic.
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Affiliation(s)
- Xiang Yuan
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Jingqi Wu
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Zhen Sun
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China; School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Jin Cen
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Yajing Shu
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Chenhua Wang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Hong Li
- CAS Key Laboratory of Computational Biology, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Dongni Lin
- Department of Liver Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Kun Zhang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Baihua Wu
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Anil Dhawan
- Paediatric Liver GI and Nutrition Center, King's College Hospital, London, UK; Dhawan Lab at the Mowat Labs, Institute of Liver Studies, King's College London at King's College Hospital, London, UK
| | - Ludi Zhang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Lijian Hui
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China; School of Life Science and Technology, ShanghaiTech University, Shanghai, China.
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Manoharan S, Saha S, Murugesan K, Santhakumar A, Perumal E. Natural bioactive compounds and STAT3 against hepatocellular carcinoma: An update. Life Sci 2024; 337:122351. [PMID: 38103726 DOI: 10.1016/j.lfs.2023.122351] [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: 09/17/2023] [Revised: 11/23/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023]
Abstract
Hepatocellular carcinoma (HCC) is a challenging and very fatal liver cancer. The signal transducer and activator of transcription 3 (STAT3) pathway is a crucial regulator of tumor development and are ubiquitously active in HCC. Therefore, targeting STAT3 has emerged as a promising approach for preventing and treating HCC. Various natural bioactive compounds (NBCs) have been proven to target STAT3 and have the potential to prevent and treat HCC as STAT3 inhibitors. Numerous kinds of STAT3 inhibitors have been identified, including small molecule inhibitors, peptide inhibitors, and oligonucleotide inhibitors. Due to the undesirable side effects of the conventional therapeutic drugs against HCC, the focus is shifted to NBCs derived from plants and other natural sources. NBCs can be broadly classified into the categories of terpenes, alkaloids, carotenoids, and phenols. Most of the compounds belong to the family of terpenes, which prevent tumorigenesis by inhibiting STAT3 nuclear translocation. Further, through STAT3 inhibition, terpenes downregulate matrix metalloprotease 2 (MMP2), matrix metalloprotease 9 (MMP9) and vascular endothelial growth factor (VEGF), modulating metastasis. Terpenes also suppress the anti-apoptotic proteins and cell cycle markers. This review provides comprehensive information related to STAT3 abrogation by NBCs in HCC with in vitro and in vivo evidences.
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Affiliation(s)
- Suryaa Manoharan
- Molecular Toxicology Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore 641 046, India
| | - Shreejit Saha
- Molecular Toxicology Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore 641 046, India
| | - Krishnasanthiya Murugesan
- Molecular Toxicology Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore 641 046, India
| | - Aksayakeerthana Santhakumar
- Molecular Toxicology Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore 641 046, India
| | - Ekambaram Perumal
- Molecular Toxicology Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore 641 046, India.
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Huang Y, Xu L, Wang N, Pu X, Wang W, Wen T, Xu M, Jiang L. Preoperative dexamethasone administration in hepatectomy of 25-min intermittent Pringle's maneuver for hepatocellular carcinoma: protocol for a randomized controlled trial. Trials 2023; 24:774. [PMID: 38037035 PMCID: PMC10691107 DOI: 10.1186/s13063-023-07820-0] [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: 02/06/2023] [Accepted: 11/22/2023] [Indexed: 12/02/2023] Open
Abstract
BACKGROUND Our previous randomized controlled trial (RCT) have demonstrated that intermittent Pringle's maneuver (IPM) with a 25-min ischemic interval can be applied safely and efficiently in open or laparoscopic hepatectomy in patients with hepatocellular carcinoma (HCC) patients. But prolonging the hepatic inflow blocking time will inevitably aggravate the ischemia-reperfusion injury (IRI) caused by systemic response. This RCT aims to evaluate the effect of administration of dexamethasone versus placebo before clamping the hilar pedicle on postoperative liver function, inflammatory response, and perioperative outcomes among HCC patients undergoing liver resection with 25-min hepatic inflow occlusion. METHODS AND ANALYSIS This will be a randomized, dual-arm, parallel-group, double-blinded trial. All eligible and consecutive patients are coming from a regional medical center who are diagnosed with HCC and underwent radical R0/R1 resection. All participates are randomly allocated in dexamethasone group or placebo group. All surgeons, anesthesiologists, and outcome assessors will be blinded to allocation status. Primary endpoints are transaminase-based postoperative hepatic injury on seven consecutive days after surgery and assessed by their peak values as well as area under the curve (AUC) of the postoperative course of aminotransferases. Secondary endpoints are postoperative total bilirubin (TBil), coagulation function, inflammatory cytokines and their respective peaks, intraoperative blood loss, postoperative hospital stay, morbidity, and mortality. The above parameters will be compared using the corresponding statistical approach. Subgroup analysis will be performed according to the liver cirrhosis and major hepatectomy. DISCUSSION Based on our previous study, we will explore further the effect of glucocorticoid administration on attenuating the surgical stress response in order to follow securely 25-min hepatic inflow occlusion. Therefore, the trial protocol is reasonable and the results of the trial may be clinically significant. TRIAL REGISTRATION This trial was registered on 3 December 2022, in the Chinese Clinical Trial Registry ( http://www.chictr.org.cn ), ChiCTR2200066381. The protocol version is V1.0 (20221104).
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Affiliation(s)
- Yang Huang
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Sichuan Province, Chengdu, 610041, China
| | - Liangliang Xu
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Sichuan Province, Chengdu, 610041, China
| | - Ning Wang
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Sichuan Province, Chengdu, 610041, China
| | - Xingyu Pu
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Sichuan Province, Chengdu, 610041, China
| | - Wentao Wang
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Sichuan Province, Chengdu, 610041, China
| | - Tianfu Wen
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Sichuan Province, Chengdu, 610041, China
| | - Mingqing Xu
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Sichuan Province, Chengdu, 610041, China.
| | - Li Jiang
- Division of Liver Surgery, Department of General Surgery, West China Hospital, Sichuan University, Sichuan Province, Chengdu, 610041, China.
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Wang Y, Zheng Q, Sun Z, Wang C, Cen J, Zhang X, Jin Y, Wu B, Yan T, Wang Z, Gu Q, Lv X, Nan J, Wu Z, Sun W, Pan G, Zhang L, Hui L, Cai X. Reversal of liver failure using a bioartificial liver device implanted with clinical-grade human-induced hepatocytes. Cell Stem Cell 2023; 30:617-631.e8. [PMID: 37059100 DOI: 10.1016/j.stem.2023.03.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 01/18/2023] [Accepted: 03/15/2023] [Indexed: 04/16/2023]
Abstract
Liver resection is the first-line treatment for primary liver cancers, providing the potential for a cure. However, concerns about post-hepatectomy liver failure (PHLF), a leading cause of death following extended liver resection, have restricted the population of eligible patients. Here, we engineered a clinical-grade bioartificial liver (BAL) device employing human-induced hepatocytes (hiHeps) manufactured under GMP conditions. In a porcine PHLF model, the hiHep-BAL treatment showed a remarkable survival benefit. On top of the supportive function, hiHep-BAL treatment restored functions, specifically ammonia detoxification, of the remnant liver and facilitated liver regeneration. Notably, an investigator-initiated study in seven patients with extended liver resection demonstrated that hiHep-BAL treatment was well tolerated and associated with improved liver function and liver regeneration, meeting the primary outcome of safety and feasibility. These encouraging results warrant further testing of hiHep-BAL for PHLF, the success of which would broaden the population of patients eligible for liver resection.
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Affiliation(s)
- Yifan Wang
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310016, China; Zhejiang Minimal Invasive Diagnosis and Treatment Technology Research Center of Severe Hepatobiliary Disease, Hangzhou 310016, China; Key Laboratory of Laparoscopic Technology of Zhejiang Province, Hangzhou 310016, China
| | - Qiang Zheng
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310016, China
| | - Zhen Sun
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Chenhua Wang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Science, Shanghai 200031, China
| | - Jin Cen
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Science, Shanghai 200031, China
| | - Xinjie Zhang
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310016, China
| | - Yan Jin
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310016, China
| | - Baihua Wu
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Science, Shanghai 200031, China
| | - Tingting Yan
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310016, China
| | - Ziyuan Wang
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310016, China
| | - Qiuxia Gu
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310016, China
| | - Xingyu Lv
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310016, China
| | - Junjie Nan
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310016, China
| | - Zhongyu Wu
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310016, China
| | - Wenbin Sun
- School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
| | - Guoyu Pan
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Ludi Zhang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Science, Shanghai 200031, China.
| | - Lijian Hui
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China; State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Science, Shanghai 200031, China.
| | - Xiujun Cai
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310016, China; Zhejiang Minimal Invasive Diagnosis and Treatment Technology Research Center of Severe Hepatobiliary Disease, Hangzhou 310016, China; Key Laboratory of Laparoscopic Technology of Zhejiang Province, Hangzhou 310016, China.
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Ma JF, Gao JP, Shao ZW. Acute liver failure: A systematic review and network meta-analysis of optimal type of stem cells in animal models. World J Stem Cells 2023; 15:1-15. [PMID: 36713788 PMCID: PMC9850664 DOI: 10.4252/wjsc.v15.i1.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/23/2022] [Accepted: 12/23/2022] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND The therapeutic effects of various stem cells in acute liver failure (ALF) have been demonstrated in preclinical studies. However, the specific type of stem cells with the highest therapeutic potential has not been determined.
AIM To validate the efficacy of stem cells in ALF model and to identify the most promising stem cells.
METHODS A search was conducted on the PubMed, Web of Science, Embase, Scopus, and Cochrane databases from inception to May 3, 2022, and updated on November 16, 2022 to identify relevant studies. Two independent reviewers performed the literature search, identification, screening, quality assessment, and data extraction.
RESULTS A total of 89 animal studies were included in the analysis. The results of traditional meta-analysis showed that stem cell therapy could significantly reduce the serum levels of alanine aminotransferase [weighted mean difference (WMD) = -181.05 (-191.71, -170.39)], aspartate aminotransferase [WMD = -309.04 (-328.45, -289.63)], tumor necrosis factor-alpha [WMD = -8.75 (-9.93, -7.56)], and interleukin-6 [WMD = -10.43 (-12.11, -8.76)] in animal models of ALF. Further subgroup analysis and network meta-analysis showed that although mesenchymal stem cells are the current research hotspot, the effect of liver stem cells (LSCs) on improving liver function is significantly better than that of the other five types of stem cells. In addition, the ranking results showed that the possibility of LSCs improving liver function ranked first. This fully proves the great therapeutic potential of LSCs, which needs to be paid more attention in the future.
CONCLUSION LSCs may have a higher therapeutic potential. Further high-quality animal experiments are needed to explore the most effective stem cells for ALF.
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Affiliation(s)
- Jun-Feng Ma
- Department of Surgical Oncology, Gansu Provincial Hospital, Lanzhou 730030, Gansu Province, China
| | - Jian-Ping Gao
- Department of Surgical Oncology, Gansu Provincial Hospital, Lanzhou 730030, Gansu Province, China
| | - Zi-Wei Shao
- Department of Surgical Oncology, Gansu Provincial Hospital, Lanzhou 730030, Gansu Province, China
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Du Y, Zhang W, Qiu H, Xiao C, Shi J, Reid LM, He Z. Mouse Models of Liver Parenchyma Injuries and Regeneration. Front Cell Dev Biol 2022; 10:903740. [PMID: 35721478 PMCID: PMC9198899 DOI: 10.3389/fcell.2022.903740] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 04/11/2022] [Indexed: 12/11/2022] Open
Abstract
Mice have genetic and physiological similarities with humans and a well-characterized genetic background that is easy to manipulate. Murine models have become the most favored, robust mammalian systems for experimental analyses of biological processes and disease conditions due to their low cost, rapid reproduction, a wealth of mouse strains with defined genetic conditions (both native ones as well as ones established experimentally), and high reproducibility with respect to that which can be done in experimental studies. In this review, we focus on murine models for liver, an organ with renown regenerative capacity and the organ most central to systemic, complex metabolic and physiological functions for mammalian hosts. Establishment of murine models has been achieved for all aspects of studies of normal liver, liver diseases, liver injuries, and regenerative repair mechanisms. We summarize key information on current mouse systems that partially model facets of clinical scenarios, particularly those associated with drug-induced acute or chronic liver injuries, dietary related, non-alcoholic liver disease (NAFLD), hepatitis virus infectious chronic liver diseases, and autoimmune hepatitis (AIH). In addition, we also include mouse models that are suitable for studying liver cancers (e.g., hepatocellular carcinomas), the aging process (senescence, apoptosis), and various types of liver injuries and regenerative processes associated with them.
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Affiliation(s)
- Yuan Du
- Department of General Surgery, Ji’an Hospital, Shanghai East Hospital, School of Medicine, Tongji University, Ji’an, China
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China
- The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Wencheng Zhang
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
| | - Hua Qiu
- Department of General Surgery, Ji’an Hospital, Shanghai East Hospital, School of Medicine, Tongji University, Ji’an, China
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China
- The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Canjun Xiao
- Department of General Surgery, Ji’an Hospital, Shanghai East Hospital, School of Medicine, Tongji University, Ji’an, China
| | - Jun Shi
- Department of General Surgery, Ji’an Hospital, Shanghai East Hospital, School of Medicine, Tongji University, Ji’an, China
- The First Affiliated Hospital of Nanchang University, Nanchang, China
- *Correspondence: Zhiying He, ; Lola M. Reid, , ; Jun Shi,
| | - Lola M. Reid
- Departments of Cell Biology and Physiology, Program in Molecular Biology and Biotechnology, UNC School of Medicine, Chapel Hill, NC, United States
- *Correspondence: Zhiying He, ; Lola M. Reid, , ; Jun Shi,
| | - Zhiying He
- Department of General Surgery, Ji’an Hospital, Shanghai East Hospital, School of Medicine, Tongji University, Ji’an, China
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
- *Correspondence: Zhiying He, ; Lola M. Reid, , ; Jun Shi,
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Zhang J, Liu W, Bi M, Xu J, Yang H, Zhang Y. Noble Gases Therapy in Cardiocerebrovascular Diseases: The Novel Stars? Front Cardiovasc Med 2022; 9:802783. [PMID: 35369316 PMCID: PMC8966230 DOI: 10.3389/fcvm.2022.802783] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 01/18/2022] [Indexed: 12/12/2022] Open
Abstract
Cardiocerebrovascular diseases (CCVDs) are the leading cause of death worldwide; therefore, to deeply explore the pathogenesis of CCVDs and to find the cheap and efficient strategies to prevent and treat CCVDs, these are of great clinical and social significance. The discovery of nitric oxide (NO), as one of the endothelium-derived relaxing factors and its successful utilization in clinical practice for CCVDs, provides new ideas for us to develop drugs for CCVDs: “gas medicine” or “medical gases.” The endogenous gas molecules such as carbon monoxide (CO), hydrogen sulfide (H2S), sulfur dioxide (SO2), methane (CH4), and hydrogen (H2) have essential biological effects on modulating cardiocerebrovascular homeostasis and CCVDs. Moreover, it has been shown that noble gas atoms such as helium (He), neon (Ne), argon (Ar), krypton (Kr), and xenon (Xe) display strong cytoprotective effects and therefore, act as the exogenous pharmacologic preventive and therapeutic agents for CCVDs. Mechanistically, besides the competitive inhibition of N-methyl-D-aspartate (NMDA) receptor in nervous system by xenon, the key and common mechanisms of noble gases are involved in modulation of cell death and inflammatory or immune signals. Moreover, gases interaction and reduction in oxidative stress are emerging as the novel biological mechanisms of noble gases. Therefore, to investigate the precise actions of noble gases on redox signals, gases interaction, different cell death forms, and the emerging field of gasoimmunology, which focus on the effects of gas atoms/molecules on innate immune signaling or immune cells under both the homeostatic and perturbed conditions, these will help us to uncover the mystery of noble gases in modulating CCVDs.
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Affiliation(s)
- Jiongshan Zhang
- Department of Traditional Chinese Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Institute of Integrated Traditional Chinese and Western Medicine, Sun Yat-sen University, Guangzhou, China
| | - Wei Liu
- Department of Physiology, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
- Research Centre for Integrative Medicine (Key Laboratory of Chinese Medicine Pathogenesis and Therapy Research), Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Mingmin Bi
- Department of Otorhinolaryngology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Jinwen Xu
- Department of Physiology, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
- Research Centre for Integrative Medicine (Key Laboratory of Chinese Medicine Pathogenesis and Therapy Research), Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hongzhi Yang
- Department of Traditional Chinese Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Institute of Integrated Traditional Chinese and Western Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yaxing Zhang
- Department of Physiology, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
- Research Centre for Integrative Medicine (Key Laboratory of Chinese Medicine Pathogenesis and Therapy Research), Guangzhou University of Chinese Medicine, Guangzhou, China
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Modulation of the Immune System Promotes Tissue Regeneration. Mol Biotechnol 2022; 64:599-610. [PMID: 35022994 DOI: 10.1007/s12033-021-00430-8] [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: 07/09/2021] [Accepted: 11/22/2021] [Indexed: 10/19/2022]
Abstract
The immune system plays an essential role in the angiogenesis, repair, and regeneration of damaged tissues. Therefore, the design of scaffolds that manipulate immune cells and factors in such a way that could accelerate the repair of damaged tissues, following implantation, is one of the main goals of regenerative medicine. However, before manipulating the immune system, the function of the various components of the immune system during the repair process should be well understood and the fabrication conditions of the manipulated scaffolds should be brought closer to the physiological state of the body. In this article, we first review the studies aimed at the role of distinct immune cell populations in angiogenesis and support of damaged tissue repair. In the second part, we discuss the use of strategies that promote tissue regeneration by modulating the immune system. Given that various studies have shown an increase in tissue repair rate with the addition of stem cells and growth factors to the scaffolds, and regarding the limited resources of stem cells, we suggest the design of scaffolds that are capable to develop repair of damaged tissue by manipulating the immune system and create an alternative for repair strategies that use stem cells or growth factors.
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Zheng X, Gou Y, Jiang Z, Yang A, Yang Z, Qin S. Icaritin-Induced FAM99A Affects GLUT1-Mediated Glycolysis via Regulating the JAK2/STAT3 Pathway in Hepatocellular Carcinoma. Front Oncol 2021; 11:740557. [PMID: 34765550 PMCID: PMC8576446 DOI: 10.3389/fonc.2021.740557] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 09/29/2021] [Indexed: 11/19/2022] Open
Abstract
Icaritin is a potential treatment option for hepatocellular carcinoma (HCC) based on the results of its phase 2 stage trial. Glucose transporter 1 (GLUT1), a critical gene in regulating glycolysis, has been recognized as a promising target in HCC treatment. Previous studies have reported that FAM99A, a new long noncoding (lncRNA), is associated with HCC metastasis. It has also been demonstrated that the JAK2/STAT3 pathway is related to HCC and is the target of icaritin treatment. However, whether FAM99A participates in icaritin treatment and regulates GLUT1-mediated glycolysis via the JAK2/STAT3 pathway in HCC cells remains to be explored. Our study aimed to clarify the mechanisms underlying glycolysis and understand the regulating effects of the FAM99A and JAK2/STAT3 pathway in HCC cells in icaritin treatment. Molecular mechanism studies were conducted to verify whether FAM99A could bind to the JAK2/STAT3 pathway and to identify the regulatory mechanisms in the HCC cells. It was revealed that icaritin inhibited proliferation, GLUT1 level, and the glycolysis of the HCC cells. FAM99A in HCC cells was upregulated after a high concentration treatment of icaritin. FAM99A inhibited GLUT1 by blocking the JAK2/STAT3 pathway. Mechanically, FAM99A interacted with EIF4B to inhibit gp130 and gp80 translation, which then interacted with miR-299-5p to upregulate SOCS3, causing the JAK2 pathway to inhibit STAT3 phosphorylation, so that JAK2/STAT3 was blocked in HCC cells. Overall, our study proved that icaritin-induced FAM99A can inhibit HCC cell viability and GLUT1-mediated glycolysis via blocking the JAK2/STAT3 pathway.
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Affiliation(s)
- Xia Zheng
- Nanjing University of Chinese Medicine, Nanjing, China.,Oncology Department, Jiangsu Province Hospital of Chinese Medicine, Nanjing, China
| | - Yudong Gou
- Nanjing University of Chinese Medicine, Nanjing, China
| | - Ziyu Jiang
- Nanjing University of Chinese Medicine, Nanjing, China.,Oncology Department, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Aizhen Yang
- Laboratory Department, Nanjing Jinling Hospital, Nanjing, China
| | - Zhihui Yang
- Pathology Department, Nanjing Jinling Hospital, Nanjing, China
| | - Shukui Qin
- Nanjing University of Chinese Medicine, Nanjing, China.,Oncology Department, Nanjing Jinling Hospital, Nanjing, China
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Sherlock LG, Balasubramaniyan D, Zheng L, Grayck M, McCarthy WC, De Dios RC, Zarate MA, Orlicky DJ, De Dios R, Wright CJ. APAP-induced IκBβ/NFκB signaling drives hepatic IL6 expression and associated sinusoidal dilation. Toxicol Sci 2021; 185:158-169. [PMID: 34726736 DOI: 10.1093/toxsci/kfab131] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Acetaminophen (APAP) overdose results in high morbidity and mortality, with limited treatment options. Increased understanding of the cellular signaling pathways activated in response to toxic APAP exposure is needed to provide insight into novel therapeutic strategies. Toxic APAP exposure induces hepatic nuclear factor kappa B (NFκB) activation. NFκB signaling has been identified to mediate the pro-inflammatory response, but also induces a pro-survival and regenerative response. It is currently unknown whether potentiating NFkB activation would be injurious or advantageous after APAP overdose. The NFκB inhibitory protein beta (IκBβ) dictates the duration and degree of the NFκB response following exposure to oxidative injuries. Thus, we sought to determine whether IκBβ/NFκB signaling contributes to APAP-induced hepatic injury. At late time points (24 hours) following toxic APAP exposures, mice expressing only IκBβ (AKBI mice) exhibited increased serologic evidence of hepatic injury. This corresponded with increased histologic injury, specifically related to sinusoidal dilatation. Compared to wild-type (WT) mice, AKBI mice demonstrated sustained hepatic nuclear translocation of the NFκB subunits p65 and p50, and enhanced NFκB target gene expression. This included increased expression of interleukin-6 (Il-6), a known contributor to hepatic sinusoidal dilation. This transcriptional response corresponded with increased plasma protein content of Il-6, as well as increased activation of signal transducer and activator of transcription 3 (STAT3). Impact Statement: IκBβ/NFκB signaling is associated with a pro-inflammatory response, exacerbated Il-6 and STAT3 activation, and this was associated with late development of sinusoidal dilatation. Thus, targeting sustained IκBβ/NFκB signaling may represent a novel therapeutic approach to attenuate late hepatic injury following toxic APAP exposure.
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Affiliation(s)
- Laura G Sherlock
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | | | - Lijun Zheng
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | - Maya Grayck
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | - William C McCarthy
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | - Robert C De Dios
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | - Miguel A Zarate
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | - David J Orlicky
- Dept of Pathology, University of Colorado Anschutz School of Medicine, Aurora, CO
| | - Robyn De Dios
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | - Clyde J Wright
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
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Cerium Oxide Nanoparticles: A New Therapeutic Tool in Liver Diseases. Antioxidants (Basel) 2021; 10:antiox10050660. [PMID: 33923136 PMCID: PMC8146351 DOI: 10.3390/antiox10050660] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 12/15/2022] Open
Abstract
Oxidative stress induced by the overproduction of free radicals or reactive oxygen species (ROS) has been considered as a key pathogenic mechanism contributing to the initiation and progression of injury in liver diseases. Consequently, during the last few years antioxidant substances, such as superoxide dismutase (SOD), resveratrol, colchicine, eugenol, and vitamins E and C have received increasing interest as potential therapeutic agents in chronic liver diseases. These substances have demonstrated their efficacy in equilibrating hepatic ROS metabolism and thereby improving liver functionality. However, many of these agents have not successfully passed the scrutiny of clinical trials for the prevention and treatment of various diseases, mainly due to their unspecificity and consequent uncontrolled side effects, since a minimal level of ROS is needed for normal functioning. Recently, cerium oxide nanoparticles (CeO2NPs) have emerged as a new powerful antioxidant agent with therapeutic properties in experimental liver disease. CeO2NPs have been reported to act as a ROS and reactive nitrogen species (RNS) scavenger and to have multi-enzyme mimetic activity, including SOD activity (deprotionation of superoxide anion into oxygen and hydrogen peroxide), catalase activity (conversion of hydrogen peroxide into oxygen and water), and peroxidase activity (reducing hydrogen peroxide into hydroxyl radicals). Consequently, the beneficial effects of CeO2NPs treatment have been reported in many different medical fields other than hepatology, including neurology, ophthalmology, cardiology, and oncology. Unlike other antioxidants, CeO2NPs are only active at pathogenic levels of ROS, being inert and innocuous in healthy cells. In the current article, we review the potential of CeO2NPs in several experimental models of liver disease and their safety as a therapeutic agent in humans as well.
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Inhaled Argon Impedes Hepatic Regeneration after Ischemia/Reperfusion Injury in Rats. Int J Mol Sci 2020; 21:ijms21155457. [PMID: 32751707 PMCID: PMC7432339 DOI: 10.3390/ijms21155457] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 07/20/2020] [Accepted: 07/28/2020] [Indexed: 11/16/2022] Open
Abstract
Organoprotective effects of noble gases are subject of current research. One important field of interest is the effect of noble gases on hepatic regenerative capacity. For the noble gas argon, promising studies demonstrated remarkable experimental effects in neuronal and renal cells. The aim of this study was to investigate the effects of argon on the regenerative capacity of the liver after ischemia/reperfusion injury (IRI). Male, Sprague-Dawley rats underwent hepatic IRI by clamping of the hepatic artery. Expression of hepatoproliferative genes (HGF, IL-1β, IL-6, TNF), cell cycle markers (BrdU, TUNEL, Ki-67), and liver enzymes (ALT, AST, Bilirubin, LDH) were assessed 3, 36, and 96 h after IRI. Expression of IL-1β and IL-6 was significantly higher after argon inhalation after 36 h (IL-1β 5.0 vs. 8.7 fold, p = 0.001; IL-6 9.6 vs. 19.1 fold, p = 0.05). Ki-67 was higher in the control group compared to the argon group after 36 h (214.0 vs. 38.7 positive cells/1000 hepatocytes, p = 0.045). Serum levels of AST and ALT did not differ significantly between groups. Our data indicate that argon inhalation has detrimental effects on liver regeneration after IRI as measured by elevated levels of the proinflammatory cytokines IL-1β and IL-6 after 36 h. In line with these results, Ki-67 is decreased in the argon group, indicating a negative effect on liver regeneration in argon inhalation.
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Global Transcriptional Profiling Reveals Novel Autocrine Functions of Interleukin 6 in Human Vascular Endothelial Cells. Mediators Inflamm 2020; 2020:4623107. [PMID: 32410854 PMCID: PMC7204122 DOI: 10.1155/2020/4623107] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 03/20/2020] [Accepted: 03/25/2020] [Indexed: 12/15/2022] Open
Abstract
Background Interleukin 6 (IL6) is a multifunctional cytokine produced by various cells, including vascular endothelial cells. IL6 has both pro- and non-/anti-inflammatory functions, and the response to IL6 is dependent on whether it acts via the membrane-bound IL6 receptor α (IL6Rα) (classic signaling) or the soluble form of the receptor (transsignaling). As human endothelial cells produce IL6 and at the same time express IL6Rα, we hypothesized that IL6 may have autocrine functions. Methods Knockdown of IL6 in cultured human endothelial cells was performed using siRNA. Knockdown efficiency was evaluated using ELISA. RNA sequencing was employed to characterize the transcriptional consequence of IL6 knockdown, and Ingenuity Pathway Analysis was used to further explore the functional roles of IL6. Results Knockdown of IL6 in cultured endothelial cells resulted in a 84-92% reduction in the release of IL6. Knockdown of IL6 resulted in dramatic changes in transcriptional pattern; knockdown of IL6 in the absence of soluble IL6Rα (sIL6Rα) led to differential regulation of 1915 genes, and knockdown of IL6 in the presence of sIL6Rα led to differential regulation of 1967 genes (fold change 1.5, false discovery rate < 0.05). Pathway analysis revealed that the autocrine functions of IL6 in human endothelial cells are mainly related to basal cellular functions such as regulation of cell cycle, signaling, and cellular movement. Furthermore, we found that knockdown of IL6 activates functions related to adhesion, binding, and interaction of endothelial cells, which seem to be mediated mainly via STAT3. Conclusion In this study, a large number of novel genes that are under autocrine regulation by IL6 in human endothelial cells were identified. Overall, our data indicate that IL6 acts in an autocrine manner to regulate basal cellular functions, such as cell cycle regulation, signaling, and cellular movement, and suggests that the autocrine functions of IL6 in human endothelial cells are mediated via IL6 classic signaling.
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Yang L, Zhang Z, Kong J, Wang W. Systematic Review and Meta-Analysis of the Benefit and Safety of Preoperative Administration of Steroid in Patients Undergoing Liver Resection. Front Pharmacol 2019; 10:1442. [PMID: 31849683 PMCID: PMC6894012 DOI: 10.3389/fphar.2019.01442] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Accepted: 11/12/2019] [Indexed: 02/05/2023] Open
Abstract
Objective: To evaluate the benefit and safety of preoperative administration of steroid in patients undergoing liver resection. Methods: Randomized controlled trials (RCTs) which comparing preoperative administration of steroid in patients undergoing liver resection with control group were identified through a systematic literature search in PubMed, Embase, and Cochrane Library Central databases. This meta-analysis was carried out to assess the liver function, inflammatory response, and postoperative complications after liver surgery. Results: Six RCTs including 411 patients were reviewed. The pooled result showed that there was no significant difference in the incidence of overall complications between the steroid group and the control group (OR, 0.57; 95% CI, 0.27–1.17; P = 0.13). With respect to specific complications, no significant difference was detected between the two groups in infection complications (OR, 0.95; 95% CI, 0.13–6.95; P = 0.96), wound complications (OR, 0.65; 95% CI, 0.32–1.33; P = 0.24), liver failure (OR, 0.41; 95% CI, 0.10–1.64; P = 0.21), bile leakage (OR, 0.57; 95% CI, 0.17–1.89; P = 0.36), and pleural effusion (OR, 1.24; 95% CI, 0.55–2.78; P = 0.60). For liver function, the level of serum total bilirubin (TB) on postoperative day 1 (POD 1) was significantly decreased associated with the intervention of steroid (MD, −0.54; 95% CI, −0.94 to −0.15; P = 0.007). However, no significant difference was found in the level of alanine aminotransferase (ALT) (MD, −69.39; 95% CI, −226.52 to 87.75; P = 0.39) and aspartate aminotransferase (AST) (MD, −93.44; 95% CI, −275.68 to 88.80; P = 0.31) on POD 1 between the two groups. Serum IL-6 level on POD 1 (MD, −57.98; 95% CI, −73.04 to −42.91; P < 0.00001) and CRP level on POD 3 (MD, −4.83; 95% CI, −6.07 to −3.59; P < 0.00001) were significantly reduced in the steroid group comparing to the control group. Compared with the control group, the level of early postoperative IL-10 was significant higher in the steroid group (MD, 17.89; 95% CI, 3.89 to 31.89; P = 0.01). Conclusion: Preoperative administration of steroid in liver resection can promote the recovery of liver function and inhibit the inflammatory response without increasing postoperative complications. Further studies should focus on determining which patients would benefit most from the steroid.
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Affiliation(s)
- Lingpeng Yang
- Department of Liver Surgery, Liver Transplantation Center, West China Hospital of Sichuan University, Chengdu, China
| | - Zifei Zhang
- Department of Liver Surgery, Liver Transplantation Center, West China Hospital of Sichuan University, Chengdu, China.,Department of General Surgery, The Affiliated Hospital of Xizang Minzu University, Xianyang, China
| | - Junjie Kong
- Department of Liver Surgery, Liver Transplantation Center, West China Hospital of Sichuan University, Chengdu, China
| | - Wentao Wang
- Department of Liver Surgery, Liver Transplantation Center, West China Hospital of Sichuan University, Chengdu, China
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Khan MGM, Ghosh A, Variya B, Santharam MA, Kandhi R, Ramanathan S, Ilangumaran S. Hepatocyte growth control by SOCS1 and SOCS3. Cytokine 2019; 121:154733. [PMID: 31154249 DOI: 10.1016/j.cyto.2019.154733] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 05/18/2019] [Accepted: 05/21/2019] [Indexed: 02/06/2023]
Abstract
The extraordinary capacity of the liver to regenerate following injury is dependent on coordinated and regulated actions of cytokines and growth factors. Whereas hepatocyte growth factor (HGF) and epidermal growth factor (EGF) are direct mitogens to hepatocytes, inflammatory cytokines such as TNFα and IL-6 also play essential roles in the liver regeneration process. These cytokines and growth factors activate different signaling pathways in a sequential manner to elicit hepatocyte proliferation. The kinetics and magnitude of these hepatocyte-activating stimuli are tightly regulated to ensure restoration of a functional liver mass without causing uncontrolled cell proliferation. Hepatocyte proliferation can become deregulated under conditions of chronic inflammation, leading to accumulation of genetic aberrations and eventual neoplastic transformation. Among the control mechanisms that regulate hepatocyte proliferation, negative feedback inhibition by the 'suppressor of cytokine signaling (SOCS)' family proteins SOCS1 and SOCS3 play crucial roles in attenuating cytokine and growth factor signaling. Loss of SOCS1 or SOCS3 in the mouse liver increases the rate of liver regeneration and renders hepatocytes susceptible to neoplastic transformation. The frequent epigenetic repression of the SOCS1 and SOCS3 genes in hepatocellular carcinoma has stimulated research in understanding the growth regulatory mechanisms of SOCS1 and SOCS3 in hepatocytes. Whereas SOCS3 is implicated in regulating JAK-STAT signaling induced by IL-6 and attenuating EGFR signaling, SOCS1 is crucial for the regulation of HGF signaling. These two proteins also module the functions of certain key proteins that control the cell cycle. In this review, we discuss the current understanding of the functions of SOCS1 and SOCS3 in controlling hepatocyte proliferation, and its implications to liver health and disease.
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Affiliation(s)
- Md Gulam Musawwir Khan
- Department of Anatomy and Cell Biology, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke J1H 5N4, Québec, Canada
| | - Amit Ghosh
- Department of Anatomy and Cell Biology, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke J1H 5N4, Québec, Canada
| | - Bhavesh Variya
- Department of Anatomy and Cell Biology, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke J1H 5N4, Québec, Canada
| | - Madanraj Appiya Santharam
- Department of Anatomy and Cell Biology, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke J1H 5N4, Québec, Canada
| | - Rajani Kandhi
- Department of Anatomy and Cell Biology, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke J1H 5N4, Québec, Canada
| | - Sheela Ramanathan
- Department of Anatomy and Cell Biology, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke J1H 5N4, Québec, Canada
| | - Subburaj Ilangumaran
- Department of Anatomy and Cell Biology, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke J1H 5N4, Québec, Canada.
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Santamaria-Barria JA, Zeng S, Greer JB, Beckman MJ, Seifert AM, Cohen NA, Zhang JQ, Crawley MH, Green BL, Loo JK, Maltbaek JH, DeMatteo RP. Csf1r or Mer inhibition delays liver regeneration via suppression of Kupffer cells. PLoS One 2019; 14:e0216275. [PMID: 31042769 PMCID: PMC6493758 DOI: 10.1371/journal.pone.0216275] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Accepted: 04/17/2019] [Indexed: 12/15/2022] Open
Abstract
INTRODUCTION Murine Kupffer cells (KCs) comprise CD11bhi and F4/80hi subsets. Tissue-resident macrophages are known to express the tyrosine kinase receptors colony-stimulating factor 1 receptor (Csf1r) and Mer. However, the expression of Csf1r and Mer on KC subsets and the importance of these tyrosine kinases during liver regeneration (LR) are unknown. METHODS KCs from wild-type and Csf1r-GFP mice were characterized by flow cytometry. Partial hepatectomy (PH) was performed in mice treated with clodronate liposomes, a Csf1r small molecule inhibitor or depleting antibody, or a small molecule Mer inhibitor. Sera and livers were analyzed. The function of sorted KC subsets was tested in vitro. RESULTS Mer was specifically expressed on tissue-resident F4/80hi KCs, 55% of which also expressed Csf1r. Mer+Csf1r+ and Mer+Csf1r- KCs had distinct expression of macrophage markers. Csf1r inhibition in mice reduced F4/80hi KCs by approximately 50%, but did not affect CD11bhi KCs. Clodronate liposomes depleted F4/80hi KCs, but also altered levels of other intrahepatic leukocytes. Csf1r inhibition delayed LR, as demonstrated by a 20% reduction in liver-to-body weight ratios 7 days after PH. At 36h after PH, Csf1r inhibition increased serum ALT and histological liver injury, and decreased liver cell proliferation. A small molecule inhibitor of Mer did not alter the percentage of KCs or their proliferation and just modestly delayed LR. In vitro, Csf1r or Mer inhibition did not decrease KC viability, but did attenuate their cytokine response to stimulation. CONCLUSIONS F4/80hi KCs are Mer+ and can be subdivided based on Csf1r expression. Csf1r or Mer inhibition each reduces KC cytokine production and delays LR.
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Affiliation(s)
- Juan A. Santamaria-Barria
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Shan Zeng
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Jonathan B. Greer
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Michael J. Beckman
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Adrian M. Seifert
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Noah A. Cohen
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Jennifer Q. Zhang
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Megan H. Crawley
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Benjamin L. Green
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Jennifer K. Loo
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Joanna H. Maltbaek
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Ronald P. DeMatteo
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
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Liver Regeneration after Acetaminophen Hepatotoxicity: Mechanisms and Therapeutic Opportunities. THE AMERICAN JOURNAL OF PATHOLOGY 2019; 189:719-729. [PMID: 30653954 DOI: 10.1016/j.ajpath.2018.12.006] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 12/11/2018] [Accepted: 12/17/2018] [Indexed: 12/26/2022]
Abstract
Acetaminophen (N-acetyl-para-aminophenol; APAP) overdose is the most common cause of acute liver failure in the Western world, with limited treatment opportunities. For years, research on APAP overdose has been focused on investigating the mechanisms of hepatotoxicity, with limited success in advancing therapeutic strategies. Acute liver injury after any insult, including APAP overdose, is followed by compensatory liver regeneration, which promotes recovery and is a crucial determinant of the final outcome. Liver regeneration after APAP-induced liver injury is dose dependent and impaired after severe APAP overdose. Although robust regenerative response is associated with spontaneous recovery and survival, impaired regeneration results in faster progression of injury and death after APAP overdose. APAP hepatotoxicity-induced liver regeneration involves a complex time- and dose-dependent interplay of several signaling mediators, including growth factors, cytokines, angiogenic factors, and other mitogenic pathways. Compared with the liver injury, which is established before most patients seek medical attention and has proved difficult to manipulate, liver regeneration can be potentially modulated even in late-stage APAP-induced acute liver failure. Despite recent efforts to study the mechanisms of liver regeneration after APAP-induced liver injury, more comprehensive research in this area is required, especially regarding factors that contribute to impaired regenerative response, to develop novel regenerative therapies for APAP-induced acute liver failure.
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Navarro-Alvarez N, Machaidze Z, Schuetz C, Zhu A, Liu WH, Shah JA, Vagefi PA, Elias N, Buhler L, Sachs DH, Markmann JF, Yeh H. Xenogeneic Heterotopic Auxiliary Liver transplantation (XHALT) promotes native liver regeneration in a Post-Hepatectomy Liver failure model. PLoS One 2018; 13:e0207272. [PMID: 30462716 PMCID: PMC6248961 DOI: 10.1371/journal.pone.0207272] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 10/29/2018] [Indexed: 01/10/2023] Open
Abstract
The liver’s regenerative capacity is unique, but too small a segment can overwhelm its ability to simultaneously regenerate and support the host, resulting in liver dysfunction and death. Here we tested a temporary Xenogeneic Heterotopic Auxiliary Liver Transplant (XHALT) from Gal-KO miniature swine in a baboon model of Post-Hepatectomy Liver Failure (PHLF) by 90%- hepatectomy. Immunosuppression consisted of CVF, ATG, FK 506 and steroids. 90%-hepatectomized animals died within 4–5 days with the clinical picture of PHLF, (high LFTs and bilirubin, ascites, encephalopathy and coagulopathy). The 10% remnants had macroscopic and histological evidence of severe steatosis and absence of hepatocyte replication. In contrast, the addition of XHALT prolonged survival up to 11 days, with the cause of death being sepsis, rather than liver failure. The remnant liver appeared grossly normal, and on histology, there was no evidence of fatty infiltration, but there was pronounced Ki-67 staining. In conclusion, temporary auxiliary xenografts have the potential to support a small for size liver graft while it grows to adequate size or provide an opportunity for organ recovery in acute liver failure.
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Affiliation(s)
- Nalu Navarro-Alvarez
- Center for Transplantation Sciences, Massachusetts General Hospital/Harvard Medical School, Boston, MA, United States of America
| | - Zurab Machaidze
- Center for Transplantation Sciences, Massachusetts General Hospital/Harvard Medical School, Boston, MA, United States of America
| | - Christian Schuetz
- Center for Transplantation Sciences, Massachusetts General Hospital/Harvard Medical School, Boston, MA, United States of America
| | - Alexander Zhu
- Center for Transplantation Sciences, Massachusetts General Hospital/Harvard Medical School, Boston, MA, United States of America
| | - Wei-hui Liu
- Center for Transplantation Sciences, Massachusetts General Hospital/Harvard Medical School, Boston, MA, United States of America
| | - Jigesh A. Shah
- Center for Transplantation Sciences, Massachusetts General Hospital/Harvard Medical School, Boston, MA, United States of America
| | - Parsia A. Vagefi
- Center for Transplantation Sciences, Massachusetts General Hospital/Harvard Medical School, Boston, MA, United States of America
| | - Nahel Elias
- Center for Transplantation Sciences, Massachusetts General Hospital/Harvard Medical School, Boston, MA, United States of America
| | - Leo Buhler
- University of Geneva School of Medicine, Geneva, Switzerland
| | - David H. Sachs
- Center for Transplantation Sciences, Massachusetts General Hospital/Harvard Medical School, Boston, MA, United States of America
| | - James F. Markmann
- Center for Transplantation Sciences, Massachusetts General Hospital/Harvard Medical School, Boston, MA, United States of America
| | - Heidi Yeh
- Center for Transplantation Sciences, Massachusetts General Hospital/Harvard Medical School, Boston, MA, United States of America
- * E-mail:
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Huang C, Zhu XD, Shi GM, Shen YH, Ding GY, Cai JB, Zhou J, Fan J, Sun HC. Dexamethasone for postoperative hyperbilirubinemia in patients after liver resection: An open-label, randomized controlled trial. Surgery 2018; 165:534-540. [PMID: 30348460 DOI: 10.1016/j.surg.2018.09.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Revised: 09/07/2018] [Accepted: 09/13/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND Although prophylactic glucocorticoids have been used before liver resection to minimize liver dysfunction, it is unknown whether treatment with glucocorticoids will accelerates recovery from hyperbilirubinemia after liver resection. METHODS In this open-label, randomized, controlled trial, patients with hyperbilirubinemia (>2.5 × and ≤5 × the upper limit of normal) within 7 days after hepatic resection were assigned randomly to the dexamethasone or control groups. For the dexamethasone group, 10 mg, 10 mg, and 5 mg dexamethasone were administered intravenously on days 0, 1, and 2, respectively, after randomization. For the control group, patients received standard treatment only. The primary outcome was time to recovery from hyperbilirubinemia defined as the period from the day of randomization to the day when serum bilirubin decreased to ≤1.5 times that of the upper limit of normal. Secondary outcomes were the prevalence of postoperative complications, postoperative hospital stay, and hospital expense. RESULTS Between March 2016 and December 2017, 76 participants were enrolled (38 in each group). Median time to recovery from hyperbilirubinemia was less in the dexamethasone group than in the control group (2 vs 4 days, P < .001). Serum bilirubin levels were less in the dexamethasone group on days 1-3 after randomization (P < .05). The prevalence of infection, posthepatectomy liver failure, postoperative hospital stay, and hospital expense were not different between the groups. CONCLUSION Dexamethasone accelerated recovery from hyperbilirubinemia and decreased serum bilirubin levels without causing more side effects in patients after hepatectomy.
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Affiliation(s)
- Cheng Huang
- Department of Liver Surgery & Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory for Carcinogenesis and Cancer Invasion, Chinese Ministry of Education; Shanghai, China
| | - Xiao-Dong Zhu
- Department of Liver Surgery & Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory for Carcinogenesis and Cancer Invasion, Chinese Ministry of Education; Shanghai, China
| | - Guo-Ming Shi
- Department of Liver Surgery & Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory for Carcinogenesis and Cancer Invasion, Chinese Ministry of Education; Shanghai, China
| | - Ying-Hao Shen
- Department of Liver Surgery & Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory for Carcinogenesis and Cancer Invasion, Chinese Ministry of Education; Shanghai, China
| | - Guang-Yu Ding
- Department of Liver Surgery & Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory for Carcinogenesis and Cancer Invasion, Chinese Ministry of Education; Shanghai, China
| | - Jia-Bin Cai
- Department of Liver Surgery & Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory for Carcinogenesis and Cancer Invasion, Chinese Ministry of Education; Shanghai, China
| | - Jian Zhou
- Department of Liver Surgery & Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory for Carcinogenesis and Cancer Invasion, Chinese Ministry of Education; Shanghai, China
| | - Jia Fan
- Department of Liver Surgery & Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory for Carcinogenesis and Cancer Invasion, Chinese Ministry of Education; Shanghai, China
| | - Hui-Chuan Sun
- Department of Liver Surgery & Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory for Carcinogenesis and Cancer Invasion, Chinese Ministry of Education; Shanghai, China.
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Mendes-Braz M, Martins JO. Diabetes Mellitus and Liver Surgery: The Effect of Diabetes on Oxidative Stress and Inflammation. Mediators Inflamm 2018; 2018:2456579. [PMID: 29853784 PMCID: PMC5964489 DOI: 10.1155/2018/2456579] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2017] [Revised: 04/02/2018] [Accepted: 04/11/2018] [Indexed: 12/11/2022] Open
Abstract
Diabetes mellitus (DM) is a metabolic disorder characterized by hyperglycaemia and high morbidity worldwide. The detrimental effects of hyperglycaemia include an increase in the oxidative stress (OS) response and an enhanced inflammatory response. DM compromises the ability of the liver to regenerate and is particularly associated with poor prognosis after ischaemia-reperfusion (I/R) injury. Considering the growing need for knowledge of the impact of DM on the liver following a surgical procedure, this review aims to present recent publications addressing the effects of DM (hyperglycaemia) on OS and the inflammatory process, which play an essential role in I/R injury and impaired hepatic regeneration after liver surgery.
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Affiliation(s)
- Mariana Mendes-Braz
- Laboratory of Immunoendocrinology, Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences of University Sao Paulo (FCF/USP), São Paulo, SP, Brazil
| | - Joilson O. Martins
- Laboratory of Immunoendocrinology, Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences of University Sao Paulo (FCF/USP), São Paulo, SP, Brazil
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21
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Mastellos DC, Deangelis RA, Lambris JD. Inducing and characterizing liver regeneration in mice: Reliable models, essential "readouts" and critical perspectives. ACTA ACUST UNITED AC 2017; 3:141-170. [PMID: 24416636 DOI: 10.1002/9780470942390.mo130087] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Elucidating the molecular circuitry that regulates regenerative responses in mammals has recently attracted considerable attention because of its emerging impact on modern bioengineering, tissue replacement technologies, and organ transplantation. The liver is one of the few organs of the adult body that exhibitsa prominent regenerative capacity in response to toxic injury, viral infection, or surgical resection. Over the years, mechanistic insights into the liver's regenerative potential have been provided by rodent models of chemical liver injury or surgical resection that faithfully recapitulate hallmarks of human pathophysiology and trigger robust hepatocyte proliferation leading to organ restoration. The advent of mouse transgenics has undeniably catalyzed the wider application of such models for researching liver pathobiology. This article provides a comprehensive overview of the most reliable and widely applied murine models of liver regeneration and also discusses helpful hints, considerations, and limitations related to the use of these models in liver regeneration studies.
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Affiliation(s)
- Dimitrios C Mastellos
- I/NRASTES, National Center for Scientific Research "Demokritos," Aghia Paraskevi, Athens 15310, Greece
| | - Robert A Deangelis
- Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia PA 19104, USA
| | - John D Lambris
- Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia PA 19104, USA
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22
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Jena PK, Sheng L, Liu HX, Kalanetra KM, Mirsoian A, Murphy WJ, French SW, Krishnan VV, Mills DA, Wan YJY. Western Diet-Induced Dysbiosis in Farnesoid X Receptor Knockout Mice Causes Persistent Hepatic Inflammation after Antibiotic Treatment. THE AMERICAN JOURNAL OF PATHOLOGY 2017; 187:1800-1813. [PMID: 28711154 DOI: 10.1016/j.ajpath.2017.04.019] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Revised: 04/08/2017] [Accepted: 04/18/2017] [Indexed: 02/08/2023]
Abstract
Patients who have liver cirrhosis and liver cancer also have reduced farnesoid X receptor (FXR). The current study analyzes the effect of diet through microbiota that affect hepatic inflammation in FXR knockout (KO) mice. Wild-type and FXR KO mice were on a control (CD) or Western diet (WD) for 10 months. In addition, both CD- and WD-fed FXR KO male mice, which had hepatic lymphocyte and neutrophil infiltration, were treated by vancomycin, polymyxin B, and Abx (ampicillin, neomycin, metronidazole, and vancomycin). Mice were subjected to morphological analysis as well as gut microbiota and bile acid profiling. Male WD-fed FXR KO mice had the most severe steatohepatitis. FXR KO also had reduced Firmicutes and increased Proteobacteria, which could be reversed by Abx. In addition, Abx eliminated hepatic neutrophils and lymphocytes in CD-fed, but not WD-fed, FXR KO mice. Proteobacteria and Bacteroidetes persisted in WD-fed FXR KO mice even after Abx treatment. Only polymyxin B could reduce hepatic lymphocytes in WD-fed FXR KO mice. The reduced hepatic inflammation by antibiotics was accompanied by decreased free and conjugated secondary bile acids as well as changes in gut microbiota. Our data revealed that Lactococcus, Lactobacillus, and Coprococcus protect the liver from inflammation.
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Affiliation(s)
- Prasant K Jena
- Department of Medical Pathology and Laboratory Medicine, University of California, Davis, Sacramento, California
| | - Lili Sheng
- Department of Medical Pathology and Laboratory Medicine, University of California, Davis, Sacramento, California
| | - Hui-Xin Liu
- Department of Medical Pathology and Laboratory Medicine, University of California, Davis, Sacramento, California
| | - Karen M Kalanetra
- Department of Food Science and Technology, University of California, Davis, Sacramento, California; Department of Viticulture and Enology, University of California, Davis, Sacramento, California
| | - Annie Mirsoian
- Department of Dermatology, University of California, Davis, Sacramento, California
| | - William J Murphy
- Department of Dermatology, University of California, Davis, Sacramento, California
| | - Samuel W French
- Department of Pathology, Harbor UCLA Medical Center, Torrance, California
| | - Viswanathan V Krishnan
- Department of Medical Pathology and Laboratory Medicine, University of California, Davis, Sacramento, California; Department of Chemistry, College of Science and Mathematics, Fresno State University, Fresno, California
| | - David A Mills
- Department of Food Science and Technology, University of California, Davis, Sacramento, California; Department of Viticulture and Enology, University of California, Davis, Sacramento, California
| | - Yu-Jui Yvonne Wan
- Department of Medical Pathology and Laboratory Medicine, University of California, Davis, Sacramento, California.
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23
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Liu M, Chen P. Proliferation‑inhibiting pathways in liver regeneration (Review). Mol Med Rep 2017; 16:23-35. [PMID: 28534998 DOI: 10.3892/mmr.2017.6613] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2016] [Accepted: 03/13/2017] [Indexed: 12/14/2022] Open
Abstract
Liver regeneration, an orchestrated process, is the primary compensatory mechanism following liver injury caused by various factors. The process of liver regeneration consists of three stages: Initiation, proliferation and termination. Proliferation‑promoting factors, which stimulate the recovery of mitosis in quiescent hepatocytes, are essential in the initiation and proliferation steps of liver regeneration. Proliferation‑promoting factors act as the 'motor' of liver regeneration, whereas proliferation inhibitors arrest cell proliferation when the remnant liver reaches a suitable size. Certain proliferation inhibitors are also expressed and activated in the first two steps of liver regeneration. Anti‑proliferation factors, acting as a 'brake', control the speed of proliferation and determine the terminal point of liver regeneration. Furthermore, anti‑proliferation factors function as a 'steering‑wheel', ensuring that the regeneration process proceeds in the right direction by preventing proliferation in the wrong direction, as occurs in oncogenesis. Therefore, proliferation inhibitors to ensure safe and stable liver regeneration are as important as proliferation‑promoting factors. Cytokines, including transforming growth factor‑β and interleukin‑1, and tumor suppressor genes, including p53 and p21, are important members of the proliferation inhibitor family in liver regeneration. Certain anti‑proliferation factors are involved in the process of gene expression and protein modification. The suppression of liver regeneration led by metabolism, hormone activity and pathological performance have been reviewed previously. However, less is known regarding the proliferation inhibitors of liver regeneration and further investigations are required. Detailed information regarding the majority of known anti‑proliferation signaling pathways also remains fragmented. The present review aimed to understand the signalling pathways that inhbit proliferation in the process of liver regeneration.
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Affiliation(s)
- Menggang Liu
- Department of Hepatobiliary Surgery, Daping Hospital, The Third Military Medical University, Chongqing 400042, P.R. China
| | - Ping Chen
- Department of Hepatobiliary Surgery, Daping Hospital, The Third Military Medical University, Chongqing 400042, P.R. China
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24
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Zheng XB, Chen XB, Xu LL, Zhang M, Feng L, Yi PS, Tang JW, Xu MQ. miR-203 inhibits augmented proliferation and metastasis of hepatocellular carcinoma residual in the promoted regenerating liver. Cancer Sci 2017; 108:338-346. [PMID: 28100026 PMCID: PMC5378262 DOI: 10.1111/cas.13167] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 12/16/2016] [Accepted: 01/02/2017] [Indexed: 02/05/2023] Open
Abstract
Liver resection is still the most commonly used therapeutic treatment for hepatocellular carcinoma (HCC), and liver regeneration promotes HCC growth in the regenerating liver. The high recurrence/metastasis of HCC is the main cause of death for HCC patients after liver resection. However, how the augmented growth and metastasis of residual HCC induced by the promoted liver regeneration following liver resection can be abolished remains unclear. In this study, a rat model with liver cirrhosis and diffused HCC was established by administration of diethylnitrosamine. Recombinant miR-203 adenovirus was administered to induce hepatic miR-203 overexpression and 30% partial hepatectomy (PH) followed. The effect of miR-203 on the proliferation, invasion and metastasis of the residual HCC in the remnant cirrhotic liver with promoted regeneration was investigated. We found that the basic spontaneous regeneration of the non-tumorous liver by 30% PH promoted proliferation, invasion and lung metastasis of the hepatic residual HCC. miR-203 overexpression further promoted the regeneration of the non-tumorous liver by upregulating Ki67 expression and enhancing IL-6/SOCS3/STAT3 pro-proliferative signals. Importantly, miR-203 overexpression markedly inhibited the proliferation, invasion and metastasis of hepatic residual HCC through suppressing expression of Ki67, CAPNS1 and lung metastasis. Moreover, it was found that miR-203 overexpression reversed the epithelial-mesenchymal transition induced by hepatectomy through targeting IL-1β, Snail1 and Twist1. In conclusion, our results suggested that miR-203 overexpression inhibited the augmented proliferation and lung metastasis of the residual HCC induced by the promoted liver regeneration following PH partly by regulating epithelial-mesenchymal transition.
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Affiliation(s)
- Xiao-Bo Zheng
- Department of Liver Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Xiao-Bo Chen
- Department of Liver Surgery, West China Hospital, Sichuan University, Chengdu, China.,Department of Hepatobiliary Surgery, The Affiliated Hospital of Kunming University of Science and Technology (the First People's Hospital of Yunnan Province), Kunming, China
| | - Liang-Liang Xu
- Department of Liver Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Ming Zhang
- Department of Liver Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Lei Feng
- Department of Liver Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Peng-Sheng Yi
- Department of Liver Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Jian-Wei Tang
- Department of Liver Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Ming-Qing Xu
- Department of Liver Surgery, West China Hospital, Sichuan University, Chengdu, China
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25
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Lu S, Shi G, Xu X, Wang G, Lan X, Sun P, Li X, Zhang B, Gu X, Ichim TE, Wang H. Human endometrial regenerative cells alleviate carbon tetrachloride-induced acute liver injury in mice. J Transl Med 2016; 14:300. [PMID: 27770815 PMCID: PMC5075169 DOI: 10.1186/s12967-016-1051-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2016] [Accepted: 10/05/2016] [Indexed: 01/08/2023] Open
Abstract
Background The endometrial regenerative cell (ERC) is a novel type of adult mesenchymal stem cell isolated from menstrual blood. Previous studies demonstrated that ERCs possess unique immunoregulatory properties in vitro and in vivo, as well as the ability to differentiate into functional hepatocyte-like cells. For these reasons, the present study was undertaken to explore the effects of ERCs on carbon tetrachloride (CCl4)–induced acute liver injury (ALI). Methods An ALI model in C57BL/6 mice was induced by administration of intraperitoneal injection of CCl4. Transplanted ERCs were intravenously injected (1 million/mouse) into mice 30 min after ALI induction. Liver function, pathological and immunohistological changes, cell tracking, immune cell populations and cytokine profiles were assessed 24 h after the CCl4 induction. Results ERC treatment effectively decreased the CCl4-induced elevation of serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) activities and improved hepatic histopathological abnormalities compared to the untreated ALI group. Immunohistochemical staining showed that over-expression of lymphocyte antigen 6 complex, locus G (Ly6G) was markedly inhibited, whereas expression of proliferating cell nuclear antigen (PCNA) was increased after ERC treatment. Furthermore, the frequency of CD4+ and CD8+ T cell populations in the spleen was significantly down-regulated, while the percentage of splenic CD4+CD25+FOXP3+ regulatory T cells (Tregs) was obviously up-regulated after ERC treatment. Moreover, splenic dendritic cells in ERC-treated mice exhibited dramatically decreased MHC-II expression. Cell tracking studies showed that transplanted PKH26-labeled ERCs engrafted to lung, spleen and injured liver. Compared to untreated controls, mice treated with ERCs had lower levels of IL-1β, IL-6, and TNF-α but higher level of IL-10 in both serum and liver. Conclusions Human ERCs protect the liver from acute injury in mice through hepatocyte proliferation promotion, as well as through anti-inflammatory and immunoregulatory effects.
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Affiliation(s)
- Shanzheng Lu
- Department of General Surgery, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin, 300052, China.,Tianjin General Surgery Institute, Tianjin, China
| | - Ganggang Shi
- Department of General Surgery, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin, 300052, China.,Tianjin General Surgery Institute, Tianjin, China
| | - Xiaoxi Xu
- Department of General Surgery, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin, 300052, China.,Tianjin General Surgery Institute, Tianjin, China
| | - Grace Wang
- Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Xu Lan
- Department of General Surgery, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin, 300052, China.,Tianjin General Surgery Institute, Tianjin, China
| | - Peng Sun
- Department of General Surgery, Affiliated Hospital of Weifang Medical University, Shandong, China
| | - Xiang Li
- Department of General Surgery, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin, 300052, China.,Tianjin General Surgery Institute, Tianjin, China
| | - Baoren Zhang
- Department of General Surgery, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin, 300052, China.,Tianjin General Surgery Institute, Tianjin, China
| | - Xiangying Gu
- Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
| | | | - Hao Wang
- Department of General Surgery, Tianjin Medical University General Hospital, 154 Anshan Road, Heping District, Tianjin, 300052, China. .,Tianjin General Surgery Institute, Tianjin, China.
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26
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Jung IH, Choi JHK, Chung YY, Lim GL, Park YN, Park SW. Predominant Activation of JAK/STAT3 Pathway by Interleukin-6 Is Implicated in Hepatocarcinogenesis. Neoplasia 2016; 17:586-97. [PMID: 26297436 PMCID: PMC4547407 DOI: 10.1016/j.neo.2015.07.005] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Revised: 07/04/2015] [Accepted: 07/13/2015] [Indexed: 12/24/2022] Open
Abstract
Chronic inflammation is an important process leading to tumorigenesis. Therefore, targeting and controlling inflammation can be a promising cancer therapy. Inflammation is often caused by a variety of inflammatory cytokine such as the interleukin (IL)-6, a pleiotrophic cytokine known to be involved in the tumorigenesis. In this study, an in vivo hepatic tumorigenesis model of zebrafish was generated to demonstrate a direct consequence of the human IL6 expression causing hepatocarcinogenesis. To do this, an elevated expression of the hIL6 gene was established to specifically target the zebrafish hepatocytes by transgenesis. Interestingly, the elevated hIL6 expression caused the chronic inflammation which results in a massive infiltration of inflammatory cells. This eventually resulted in the generation of various dysplastic lesions such as clear cell, small cell, and large cell changes, and also eosinophilic and basophilic foci of hepatocellular alteration. Hepatocellular carcinoma was then developed in the transgenic zebrafish. Molecular characterization revealed upregulation of the downstream components involved in the IL6-mediated signaling pathways, especially PI3K/Akt and JAK/STAT3 pathways. Further investigation indicated that PI3K was the most reactive to the infiltrated inflammatory cells and dysplasia with large cell change, whereas STAT3 was heavily activated in the region with dysplastic foci, suggesting that the JAK/STAT3 pathway was mainly implicated in the hepatic tumorigenesis in the current model. Our present study provides an in vivo evidence of the relationship between chronic inflammation and tumorigenesis and reinforces the pivotal role of IL6 in the inflammation-associated hepatocarcinogenesis.
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Affiliation(s)
- In Hye Jung
- Department of Internal Medicine, Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea
| | | | - Yong-Yoon Chung
- Research Institute of SMT Bio, SMT Bio Co., Ltd. Seoul, Korea
| | - Ga-Lam Lim
- Department of Internal Medicine, Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea
| | - Young-Nyun Park
- Department of Pathology, Yonsei University College of Medicine, Seoul, Korea
| | - Seung Woo Park
- Department of Internal Medicine, Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea.
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27
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Ratti F, Pulitanò C, Catena M, Paganelli M, Aldrighetti L. Serum levels of endothelin-1 after liver resection as an early predictor of postoperative liver failure. A prospective study. Hepatol Res 2016; 46:529-40. [PMID: 26331638 DOI: 10.1111/hepr.12585] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Revised: 08/25/2015] [Accepted: 08/30/2015] [Indexed: 12/13/2022]
Abstract
AIM Besides the residual liver volume, damage of the microcirculation secondary to increased portal blood flow is a main determinant of postoperative liver failure (PLF). Endothelin-1 (ET-1), produced by sinusoidal endothelial cells, plays a key role in the regulation of hepatic microcirculation. The aim of this study was to determine whether ET-1 levels has any prognostic utility in predicting PLF. METHODS Patients undergoing liver resection for primary or secondary liver tumors at San Raffaele Hospital, Milan, were prospectively enrolled in the study. Serial postoperative serum ET-1 levels in patients undergoing liver resections were correlated with indices of inflammatory response, liver failure and death. RESULTS A total of 144 patients were included. ET-1 levels in patients who underwent major or extended liver resection were significantly higher than in patients who had a minor resection on postoperative day (POD) 1 (P = 0.003), POD 2 (P = 0.0001) and POD 5 (P = 0.0001). Eight patients developed PLF and ET-1 was significantly higher compared with patients without PLF on POD 2 (P = 0.002) and POD5 (P = 0.006). Serum ET-1 concentration on POD 2 was an independent predictor of PLF in multivariate analysis. CONCLUSION ET-1 is as an early index of PLF and provides a rationale for therapeutic manipulation, with many potential clinical implications to prevent PLF onset and reduce its severity.
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Affiliation(s)
- Francesca Ratti
- Hepatobiliary Surgery Division, IRCCS San Raffaele Hospital, Milan, Italy
| | - Carlo Pulitanò
- Hepatobiliary Surgery Division, IRCCS San Raffaele Hospital, Milan, Italy
| | - Marco Catena
- Hepatobiliary Surgery Division, IRCCS San Raffaele Hospital, Milan, Italy
| | - Michele Paganelli
- Hepatobiliary Surgery Division, IRCCS San Raffaele Hospital, Milan, Italy
| | - Luca Aldrighetti
- Hepatobiliary Surgery Division, IRCCS San Raffaele Hospital, Milan, Italy
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28
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Studer P, da Silva CG, Revuelta Cervantes JM, Mele A, Csizmadia E, Siracuse JJ, Damrauer SM, Peterson CR, Candinas D, Stroka DM, Ma A, Bhasin M, Ferran C. Significant lethality following liver resection in A20 heterozygous knockout mice uncovers a key role for A20 in liver regeneration. Cell Death Differ 2015; 22:2068-77. [PMID: 25976305 PMCID: PMC4816110 DOI: 10.1038/cdd.2015.52] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 02/24/2015] [Accepted: 03/13/2015] [Indexed: 12/14/2022] Open
Abstract
Hepatic expression of A20, including in hepatocytes, increases in response to injury, inflammation and resection. This increase likely serves a hepatoprotective purpose. The characteristic unfettered liver inflammation and necrosis in A20 knockout mice established physiologic upregulation of A20 as integral to the anti-inflammatory and anti-apoptotic armamentarium of hepatocytes. However, the implication of physiologic upregulation of A20 in modulating hepatocytes' proliferative responses following liver resection remains controversial. To resolve the impact of A20 on hepatocyte proliferation and the liver's regenerative capacity, we examined whether decreased A20 expression, as in A20 heterozygous knockout mice, affects outcome following two-third partial hepatectomy. A20 heterozygous mice do not demonstrate a striking liver phenotype, indicating that their A20 expression levels are still sufficient to contain inflammation and cell death at baseline. However, usually benign partial hepatectomy provoked a staggering lethality (>40%) in these mice, uncovering an unsuspected phenotype. Heightened lethality in A20 heterozygous mice following partial hepatectomy resulted from impaired hepatocyte proliferation due to heightened levels of cyclin-dependent kinase inhibitor, p21, and deficient upregulation of cyclins D1, E and A, in the context of worsened liver steatosis. A20 heterozygous knockout minimally affected baseline liver transcriptome, mostly circadian rhythm genes. Nevertheless, this caused differential expression of >1000 genes post hepatectomy, hindering lipid metabolism, bile acid biosynthesis, insulin signaling and cell cycle, all critical cellular processes for liver regeneration. These results demonstrate that mere reduction of A20 levels causes worse outcome post hepatectomy than full knockout of bona fide liver pro-regenerative players such as IL-6, clearly ascertaining A20's primordial role in enabling liver regeneration. Clinical implications of these data are of utmost importance as they caution safety of extensive hepatectomy for donation or tumor in carriers of A20/TNFAIP3 single nucleotide polymorphisms alleles that decrease A20 expression or function, and prompt the development of A20-based liver pro-regenerative therapies.
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Affiliation(s)
- P Studer
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Department of Visceral Surgery and Medicine, University Hospital Bern, Bern, Switzerland
| | - C G da Silva
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - J M Revuelta Cervantes
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - A Mele
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - E Csizmadia
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - J J Siracuse
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - S M Damrauer
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - C R Peterson
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - D Candinas
- Department of Visceral Surgery and Medicine, University Hospital Bern, Bern, Switzerland
| | - D M Stroka
- Department of Visceral Surgery and Medicine, University Hospital Bern, Bern, Switzerland
| | - A Ma
- Division of Interdisciplinary Medicine and Biotechnology, Bioinformatics core, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - M Bhasin
- Division of Gastroenterology, Department of Medicine, University of California in San Francisco, San Fransisco, CA, USA
| | - C Ferran
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
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29
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Zhang T, Ma Y, Xu KQ, Huang WQ. Pretreatment of parecoxib attenuates hepatic ischemia/reperfusion injury in rats. BMC Anesthesiol 2015; 15:165. [PMID: 26577339 PMCID: PMC4647808 DOI: 10.1186/s12871-015-0147-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Accepted: 11/11/2015] [Indexed: 02/01/2023] Open
Abstract
Background Previous studies showed that cyclooxygenase(COX) was involved in ischemia/reperfusion (I/R) injuries. Parecoxib, a selective inhibitor for COX −2, has been shown to have protective properties in reducing I/R injury in the heart, kidney and brain. The aim of this study was to investigate the effects of parecoxib on hepatic I/R and to explore the underlying mechanisms. Methods Fifty-two Sprague–Dawley rats were randomly divided into three groups: the sham-operation (Sham) group, the hepatic ischemia/reperfusion (I/R) group, and the parecoxib pretreated I/R (I/R + Pare) group. Partial warm ischemia was produced in the left and middle hepatic lobes of Sprague–Dawley rats for 60 min, followed by 6 h of reperfusion. Rats in the I/R + Pare group received parecoxib (10 mg/kg) intraperitoneally twice a day for three consecutive days prior to ischemia. Blood and tissue samples from the groups were collected 6 h after reperfusion, and a survival study was performed. Results Pretreatment with parecoxib prior to I/R insult significantly reduced I/R-induced elevations of aminotransferases, and significantly improved the histological status of the liver. Parecoxib significantly suppressed inflammatory cascades, as demonstrated by attenuations in TNF-α and IL-6. Parecoxib significantly inhibited iNOS and nitrotyrosine expression after I/R and significantly attenuated I/R-induced apoptosis. The 7-day survival rate was increased by pre-administration of parecoxib. Conclusions Administration of parecoxib prior to hepatic I/R attenuates hepatic injury through inhibition of inflammatory response and nitrosative stress.
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Affiliation(s)
- Tao Zhang
- 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
| | - Kang-Qing Xu
- Department of Anesthesiology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China.
| | - Wen-Qi Huang
- Department of Anesthesiology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China.
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30
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Interleukin-6 concentration in the transgenic pig's liver preserved for 24 hours in Biolasol solution. Transplant Proc 2015; 46:2552-4. [PMID: 25380863 DOI: 10.1016/j.transproceed.2014.09.047] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
INTRODUCTION Increasing the human lifespan contributes to a higher number of patients with end-stage organ failure, which in turn stimulates the search for alternative sources. Xenotransplantation seems to be a promising approach in this respect. OBJECTIVE Analysis of changes in interleukin (IL)-6 concentration during 24-hour preservation of transgenic swine livers, depending on the kind of transgenesis and preservation solution used. MATERIALS AND METHODS The experiment was carried out in swine livers with transferred human genes that were divided into 5 groups. The following human genes were transferred: α1,2-fucosyltransferase (group I and II), α-galactosidase (III), combined α1,2-fucosyltransferase/α-galactosidase transgene (IV), and livers without modification (V). The livers were perfused and subsequently stored for 24 hours in Ringer's (group I) or Biolasol solutions (II-V). Reflush was then performed. IL-6 concentration was analyzed in the solution samples collected at the beginning and end of perfusion, and after 24 hours of preservation. ELISA was used to evaluate IL-6 concentration. RESULTS In liver homogenates from group I, IL-6 concentration after 24 hours of preservation increased by 8.24% compared to the levels observed after perfusion, whereas in the other groups IL-6 concentration decreased. The most significant decrease, 49.51%, was observed in group II; the least significant in group IV, 10.72%. In case of supernatants, a statistically significant increase of AUC0-30min level in relation to perfusion was observed in every group after 24-hour preservation and reperfusion. The highest values of AUC0-30min were observed in group I (α1,2-fucosyltransferase, Ringer's solution). CONCLUSION The study indicates the hepatoprotective action of Biolasol solution.
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Zhang T, Shu HH, Chang L, Ye F, Xu KQ, Huang WQ. Resolvin D1 protects against hepatic ischemia/reperfusion injury in rats. Int Immunopharmacol 2015; 28:322-7. [DOI: 10.1016/j.intimp.2015.06.017] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2015] [Revised: 06/14/2015] [Accepted: 06/15/2015] [Indexed: 12/19/2022]
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Duarte S, Baber J, Fujii T, Coito AJ. Matrix metalloproteinases in liver injury, repair and fibrosis. Matrix Biol 2015; 44-46:147-56. [PMID: 25599939 PMCID: PMC4495728 DOI: 10.1016/j.matbio.2015.01.004] [Citation(s) in RCA: 315] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 01/09/2015] [Accepted: 01/10/2015] [Indexed: 01/18/2023]
Abstract
The liver is a large highly vascularized organ with a central function in metabolic homeostasis, detoxification, and immunity. Due to its roles, the liver is frequently exposed to various insults which can cause cell death and hepatic dysfunction. Alternatively, the liver has a remarkable ability to self-repair and regenerate after injury. Liver injury and regeneration have both been linked to complex extracellular matrix (ECM) related pathways. While normal degradation of ECM components is an important feature of tissue repair and remodeling, irregular ECM turnover contributes to a variety of liver diseases. Matrix metalloproteinases (MMPs) are the main enzymes implicated in ECM degradation. MMPs not only remodel the ECM, but also regulate immune responses. In this review, we highlight some of the MMP-attributed roles in acute and chronic liver injury and emphasize the need for further experimentation to better understand their functions during hepatic physiological conditions and disease progression.
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Affiliation(s)
- Sergio Duarte
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States
| | - John Baber
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States
| | - Takehiro Fujii
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States
| | - Ana J Coito
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States.
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Bhushan B, Walesky C, Manley M, Gallagher T, Borude P, Edwards G, Monga SPS, Apte U. Pro-regenerative signaling after acetaminophen-induced acute liver injury in mice identified using a novel incremental dose model. THE AMERICAN JOURNAL OF PATHOLOGY 2014; 184:3013-25. [PMID: 25193591 DOI: 10.1016/j.ajpath.2014.07.019] [Citation(s) in RCA: 133] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Revised: 06/23/2014] [Accepted: 07/15/2014] [Indexed: 12/12/2022]
Abstract
Acetaminophen (APAP) overdose results in acute liver failure and has limited treatment options. Previous studies show that stimulating liver regeneration is critical for survival after APAP overdose, but the mechanisms remain unclear. In this study, we identified major signaling pathways involved in liver regeneration after APAP-induced acute liver injury using a novel incremental dose model. Liver injury and regeneration were studied in C57BL/6 mice treated with either 300 mg/kg (APAP300) or 600 mg/kg (APAP600) APAP. Mice treated with APAP300 developed extensive liver injury and robust liver regeneration. In contrast, APAP600-treated mice exhibited significant liver injury but substantial inhibition of liver regeneration, resulting in sustained injury and decreased survival. The inhibition of liver regeneration in the APAP600 group was associated with cell cycle arrest and decreased cyclin D1 expression. Several known regenerative pathways, including the IL-6/STAT-3 and epidermal growth factor receptor/c-Met/mitogen-activated protein kinase pathways, were activated, even at APAP600, where regeneration was inhibited. However, canonical Wnt/β-catenin and NF-κB pathways were activated only in APAP300-treated mice, where liver regeneration was stimulated. Furthermore, overexpression of a stable form of β-catenin, where serine 45 is mutated to aspartic acid, in mice resulted in improved liver regeneration after APAP overdose. Taken together, our incremental dose model has identified a differential role of several signaling pathways in liver regeneration after APAP overdose and highlighted canonical Wnt signaling as a potential target for regenerative therapies for APAP-induced acute liver failure.
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Affiliation(s)
- Bharat Bhushan
- Department of Pharmacology, Toxicology, and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
| | - Chad Walesky
- Department of Pharmacology, Toxicology, and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
| | - Michael Manley
- Department of Pharmacology, Toxicology, and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
| | - Tara Gallagher
- Department of Pharmacology, Toxicology, and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
| | - Prachi Borude
- Department of Pharmacology, Toxicology, and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
| | - Genea Edwards
- Department of Pharmacology, Toxicology, and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
| | - Satdarshan P S Monga
- Department of Pathology and Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Udayan Apte
- Department of Pharmacology, Toxicology, and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas.
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Chen M, Huang W, Wang C, Nie H, Li G, Sun T, Yang F, Zhang Y, Shu K, Wang C, Gong Q. High-mobility group box 1 exacerbates CCl4-induced acute liver injury in mice. Clin Immunol 2014; 153:56-63. [DOI: 10.1016/j.clim.2014.03.021] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Revised: 03/28/2014] [Accepted: 03/30/2014] [Indexed: 01/28/2023]
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Kremer M, Son G, Zhang K, Moore SM, Norris A, Manzini G, Wheeler MD, Hines IN. Smad3 signaling in the regenerating liver: implications for the regulation of IL-6 expression. Transpl Int 2014; 27:748-58. [PMID: 24649805 DOI: 10.1111/tri.12322] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2013] [Revised: 11/24/2013] [Accepted: 03/16/2014] [Indexed: 12/12/2022]
Abstract
Liver regeneration is vital for graft survival and adequate organ function. Smad activation regulates hepatocyte proliferation and macrophage function. The aim of the current study was to evaluate the impact of Smad3 signaling during liver regeneration in the mouse. Male C57Bl/6 wild-type (wt) mice or mice deficient in Smad3 (Smad3(-/-) ) were subjected to a 70% partial hepatectomy (pHx) or sham surgery and sacrificed 24, 42, or 48 h later. Tissue was analyzed for TGF-β signaling, the mitogenic cytokine response [i.e., tumor necrosis factor alpha, TNF-α; interleukin (IL)-6], and liver regeneration. Partial hepatectomy stimulated a strong regenerative response measured by proliferating cell nuclear antigen-positive hepatocytes 42 and 48 h post-pHx in conjunction with an increased expression of IL-6, TNF-α, and Smad2/3 phosphorylation 24 h post-pHx in both hepatocytes and nonparenchymal cells. Surprisingly, Smad3 deficiency led to reduced hepatocyte proliferation 42 h post-pHx which recovered by 48 h, a process that correlated with and was preceded by significant reductions in IL-6 expression and signal transducer and activator of transcription 3 phosphorylation, and cyclin D1 induction 24 h post-pHx. Loss of Smad3 signaling suppresses the expression of key mitogenic cytokines and delays hepatocellular regeneration. Therapies directed at finely regulating Smad3 activation early within the regenerating liver may prove useful in promoting liver cell proliferation and restoration of liver mass.
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Affiliation(s)
- Michael Kremer
- Department of General Surgery, University of Ulm, Ulm, Germany; Department of Medicine, Division of Gastroenterology and Hepatology, University of North Carolina, Chapel Hill, NC, USA
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Duarte S, Kato H, Kuriyama N, Suko K, Ishikawa TO, Busuttil RW, Herschman HR, Coito AJ. Hepatic ischemia and reperfusion injury in the absence of myeloid cell-derived COX-2 in mice. PLoS One 2014; 9:e96913. [PMID: 24819536 PMCID: PMC4018446 DOI: 10.1371/journal.pone.0096913] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2013] [Accepted: 04/12/2014] [Indexed: 12/18/2022] Open
Abstract
Cyclooxygenase-2 (COX-2) is a mediator of hepatic ischemia and reperfusion injury (IRI). While both global COX-2 deletion and pharmacologic COX-2 inhibition ameliorate liver IRI, the clinical use of COX-2 inhibitors has been linked to increased risks of heart attack and stroke. Therefore, a better understanding of the role of COX-2 in different cell types may lead to improved therapeutic strategies for hepatic IRI. Macrophages of myeloid origin are currently considered to be important sources of the COX-2 in damaged livers. Here, we used a Cox-2flox conditional knockout mouse (COX-2−M/−M) to examine the function of COX-2 expression in myeloid cells during liver IRI. COX-2−M/−M mice and their WT control littermates were subjected to partial liver ischemia followed by reperfusion. COX-2−M/−M macrophages did not express COX-2 upon lipopolysaccharide stimulation and COX-2−M/−M livers showed reduced levels of COX-2 protein post-IRI. Nevertheless, selective deletion of myeloid cell-derived COX-2 failed to ameliorate liver IRI; serum transaminases and histology were comparable in both COX-2−M/−M and WT mice. COX-2−M/−M livers, like WT livers, developed extensive necrosis, vascular congestion, leukocyte infiltration and matrix metalloproteinase-9 (MMP-9) expression post-reperfusion. In addition, myeloid COX-2 deletion led to a transient increase in IL-6 levels after hepatic reperfusion, when compared to controls. Administration of celecoxib, a selective COX-2 inhibitor, resulted in significantly improved liver function and histology in both COX-2−M/−M and WT mice post-reperfusion, providing evidence that COX-2-mediated liver IRI is caused by COX-2 derived from a source(s) other than myeloid cells. In conclusion, these results support the view that myeloid COX-2, including myeloid-macrophage COX-2, is not responsible for the hepatic IRI phenotype.
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Affiliation(s)
- Sergio Duarte
- Department of Surgery, The Dumont-UCLA Transplant Center, David Geffen School of Medicine at UCLA, Los Angeles, California, United States
| | - Hiroyuki Kato
- Department of Surgery, The Dumont-UCLA Transplant Center, David Geffen School of Medicine at UCLA, Los Angeles, California, United States
| | - Naohisa Kuriyama
- Present address: Department of Hepatobiliary Pancreatic Surgery, Mie University Graduate School of Medicine, Mie, Japan
| | - Kathryn Suko
- Department of Surgery, The Dumont-UCLA Transplant Center, David Geffen School of Medicine at UCLA, Los Angeles, California, United States
| | - Tomo-o Ishikawa
- Present address: Mouse Group, Genomics Business Department, Transgenic Inc., Kobe, Japan
| | - Ronald W. Busuttil
- Department of Surgery, The Dumont-UCLA Transplant Center, David Geffen School of Medicine at UCLA, Los Angeles, California, United States
| | - Harvey R. Herschman
- Department of Molecular and Medical Pharmacology, Jonsson Comprehensive Cancer Center, David Geffen School of Medicine at UCLA, Los Angeles, California, United States
| | - Ana J. Coito
- Department of Surgery, The Dumont-UCLA Transplant Center, David Geffen School of Medicine at UCLA, Los Angeles, California, United States
- * E-mail:
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Kato H, Kuriyama N, Duarte S, Clavien PA, Busuttil RW, Coito AJ. MMP-9 deficiency shelters endothelial PECAM-1 expression and enhances regeneration of steatotic livers after ischemia and reperfusion injury. J Hepatol 2014; 60:1032-9. [PMID: 24412604 PMCID: PMC3995823 DOI: 10.1016/j.jhep.2013.12.022] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2013] [Revised: 11/14/2013] [Accepted: 12/17/2013] [Indexed: 01/22/2023]
Abstract
BACKGROUND & AIMS Organ shortage has led to the use of steatotic livers in transplantation, despite their elevated susceptibility to ischemia/reperfusion injury (IRI). Matrix metalloproteinase-9 (MMP-9), an inducible gelatinase, is emerging as a central mediator of leukocyte traffic into inflamed tissues. However, its role in steatotic hepatic IRI has yet to be demonstrated. METHODS We examined the function of MMP-9 in mice fed with a high-fat diet (HFD), which developed approximately 50% hepatic steatosis, predominantly macrovesicular, prior to partial hepatic IRI. RESULTS The inability of MMP-9(-/-) deficient steatotic mice to express MMP-9 significantly protected these mice from liver IRI. Compared to fatty controls, MMP-9(-/-) steatotic livers showed significantly reduced leukocyte infiltration, proinflammatory cytokine expression, and liver necrosis. Loss of MMP-9 activity preserved platelet endothelial cell adhesion molecule-1 (PECAM-1) expression, a modulator of vascular integrity at the endothelial cell-cell junctions in steatotic livers after IRI. Using in vitro approaches, we show that targeted inhibition of MMP-9 sheltered the extracellular portion of PECAM-1 from proteolytic processing, and disrupted leukocyte migration across this junctional molecule. Moreover, the evaluation of distinct parameters of regeneration, proliferating cell nuclear antigen (PCNA) and histone H3 phosphorylation (pH3), provided evidence that hepatocyte progression into S phase and mitosis was notably enhanced in MMP-9(-/-) steatotic livers after IRI. CONCLUSIONS MMP-9 activity disrupts vascular integrity at least partially through a PECAM-1 dependent mechanism and interferes with regeneration of steatotic livers after IRI. Our novel findings establish MMP-9 as an important mediator of steatotic liver IRI.
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Affiliation(s)
- Hiroyuki Kato
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Naohisa Kuriyama
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Sergio Duarte
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Pierre-Alain Clavien
- Swiss HPB (Hepato-Pancreato-Biliary) Center, Department of Surgery, University Hospital Zurich, 100 Raemistrasse, 8091 Zurich, Switzerland
| | - Ronald W. Busuttil
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Ana J. Coito
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA,Contact Information: Ana J. Coito, The Dumont-UCLA Transplant Center, 77-120 CHS, Box: 957054, Los Angeles, CA 90095-7054.
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Abstract
The liver is unique in its ability to regenerate in response to injury. A number of evolutionary safeguards have allowed the liver to continue to perform its complex functions despite significant injury. Increased understanding of the regenerative process has significant benefit in the treatment of liver failure. Furthermore, understanding of liver regeneration may shed light on the development of cancer within the cirrhotic liver. This review provides an overview of the models of study currently used in liver regeneration, the molecular basis of liver regeneration, and the role of liver progenitor cells in regeneration of the liver. Specific focus is placed on clinical applications of current knowledge in liver regeneration, including small-for-size liver transplant. Furthermore, cutting-edge topics in liver regeneration, including in vivo animal models for xenogeneic human hepatocyte expansion and the use of decellularized liver matrices as a 3-dimensional scaffold for liver repopulation, are proposed. Unfortunately, despite 50 years of intense study, many gaps remain in the scientific understanding of liver regeneration.
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Pro-apoptotic Sorafenib signaling in murine hepatocytes depends on malignancy and is associated with PUMA expression in vitro and in vivo. Cell Death Dis 2014; 5:e1030. [PMID: 24481444 PMCID: PMC4040679 DOI: 10.1038/cddis.2013.557] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Revised: 12/05/2013] [Accepted: 12/13/2013] [Indexed: 12/16/2022]
Abstract
The multi-kinase inhibitor Sorafenib increases the survival of patients with advanced hepatocellular carcinoma (HCC). Current data suggest that Sorafenib inhibits cellular proliferation and angiogenesis and promotes apoptosis. However, the underlying pro-apoptotic molecular mechanisms are incompletely understood. Here we compared the pro-apoptotic and anti-proliferative properties of Sorafenib in murine hepatoma cells and syngeneic healthy hepatocytes in vitro and in animal models of HCC and liver regeneration in vivo. In vitro, we demonstrate that cell cycle activity and expression of anti-apoptotic Bcl-2 like proteins are similarly downregulated by Sorafenib in Hepa1-6 hepatoma cells and in syngeneic primary hepatocytes. However, Sorafenib-mediated activation of caspase-3 and induction of apoptosis were exclusively found in hepatoma cells, but not in matching primary hepatocytes. We validated these findings in vivo by applying an isograft HCC transplantation model and partial hepatectomy (PH) in C57BL/6 mice. Sorafenib treatment activated caspase-3 and thus apoptosis selectively in small tumor foci that originated from implanted Hepa1-6 cells but not in surrounding healthy hepatocytes. Similarly, Sorafenib did not induce apoptosis after PH. However, Sorafenib treatment transiently inhibited cell cycle progression and resulted in mitotic catastrophe and enhanced non-apoptotic liver injury during regeneration. Importantly, Sorafenib-mediated apoptosis in hepatoma cells was associated with the expression of p53-upregulated-modulator-of-apoptosis (PUMA). In contrast, regenerating livers after PH revealed downregulation of PUMA and were completely protected from Sorafenib-mediated apoptosis. We conclude that Sorafenib induces apoptosis selectively in hepatoma cells but not in healthy hepatocytes and can additionally increase non-apoptotic hepatocyte injury in the regenerating liver.
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Richardson AJ, Laurence JM, Lam VWT. Use of pre-operative steroids in liver resection: a systematic review and meta-analysis. HPB (Oxford) 2014; 16:12-9. [PMID: 23461716 PMCID: PMC3892310 DOI: 10.1111/hpb.12066] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2012] [Accepted: 12/05/2012] [Indexed: 12/12/2022]
Abstract
BACKGROUND By attenuating the systemic inflammatory response to major surgery, the pre-operative administration of steroids may reduce the incidence of complications. METHODS A systematic review was conducted to identify randomized controlled trials (RCT) comparing pre-operative steroid administration with placebo during a liver resection. Meta-analyses were performed. RESULTS Five RCTs were identified including a total of 379 patients. Pre-operative steroids were associated with statistically significant reductions in the levels of serum bilirubin and interleukin 6 (IL-6) on post-operative day one. There was a trend towards a lower incidence of post-operative complications and prothrombin time (PT), but this did not reach statistical significance. CONCLUSION Pre-operative steroids may be associated with a clinically significant benefit in liver resection.
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Affiliation(s)
- Arthur J Richardson
- Department of Surgery, Westmead Hospital, Sydney, NSW, Australia; Discipline of Surgery, University of Sydney, Sydney, NSW, Australia
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A20-An Omnipotent Protein in the Liver: Prometheus Myth Resolved? ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2014; 809:117-39. [DOI: 10.1007/978-1-4939-0398-6_8] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Moreno-Carranza B, Goya-Arce M, Vega C, Adán N, Triebel J, López-Barrera F, Quintanar-Stéphano A, Binart N, Martínez de la Escalera G, Clapp C. Prolactin promotes normal liver growth, survival, and regeneration in rodents: effects on hepatic IL-6, suppressor of cytokine signaling-3, and angiogenesis. Am J Physiol Regul Integr Comp Physiol 2013; 305:R720-6. [DOI: 10.1152/ajpregu.00282.2013] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Prolactin (PRL) is a potent liver mitogen and proangiogenic hormone. Here, we used hyperprolactinemic rats and PRL receptor-null mice (PRLR−/−) to study the effect of PRL on liver growth and angiogenesis before and after partial hepatectomy (PH). Liver-to-body weight ratio (LBW), hepatocyte and sinusoidal endothelial cell (SEC) proliferation, and hepatic expression of VEGF were measured before and after PH in hyperprolactinemic rats, generated by placing two anterior pituitary glands (AP) under the kidney capsule. Also, LBW and hepatic expression of IL-6, as well as suppressor of cytokine signaling-3 (SOCS-3), were evaluated in wild-type and PRLR−/−mice before and after PH. Hyperprolactinemia increased the LBW, the proliferation of hepatocytes and SECs, and VEGF hepatic expression. Also, liver regeneration was increased in AP-grafted rats and was accompanied by elevated hepatocyte and SEC proliferation, and VEGF expression compared with nongrafted controls. Lowering circulating PRL levels with CB-154, an inhibitor of AP PRL secretion, prevented AP-induced stimulation of liver growth. Relative to wild-type animals, PRLR−/−mice had smaller livers, and soon after PH, they displayed an approximately twofold increased mortality and elevated and reduced hepatic IL-6 and SOCS-3 expression, respectively. However, liver regeneration was improved in surviving PRLR−/−mice. PRL stimulates normal liver growth, promotes survival, and regulates liver regeneration by mechanisms that may include hepatic downregulation of IL-6 and upregulation of SOCS-3, increased hepatocyte proliferation, and angiogenesis. PRL contributes to physiological liver growth and has potential clinical utility for ensuring survival and regulating liver mass in diseases, injuries, or surgery of the liver.
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Affiliation(s)
| | - Maite Goya-Arce
- Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - Claudia Vega
- Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - Norma Adán
- Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - Jakob Triebel
- Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | | | - Andrés Quintanar-Stéphano
- Departamento de Fisiología y Farmacología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, México; and
| | - Nadine Binart
- Institut National de la Santé et de la Recherche Médicale, U693, Université Paris-Sud, Le Kremlin-Bicêtre, France
| | | | - Carmen Clapp
- Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
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Zhu R, Zeng G, Chen Y, Zhang Q, Liu B, Liu J, Chen H, Li M. Oroxylin A accelerates liver regeneration in CCl₄-induced acute liver injury mice. PLoS One 2013; 8:e71612. [PMID: 23951204 PMCID: PMC3738530 DOI: 10.1371/journal.pone.0071612] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Accepted: 07/02/2013] [Indexed: 12/17/2022] Open
Abstract
Introduction Based on the previous research that oroxylin A can suppress inflammation, we investigated the hepatoprotective role of oroxylin A against CCl4-induced liver damage in mice and then studied the possible alteration of the activities of cytokine signaling participating in liver regeneration. Wild type (WT) mice were orally administrated with oroxylin A (60 mg/kg) for 4 days after CCl4 injection, the anti-inflammatory effects of oroxylin A were assessed directly by hepatic histology and indirectly by measuring serum levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT) and Albumin. Proliferating cell nuclear antigen (PCNA) staining was performed to evaluate the role of oroxylin A in promoting hepatocyte proliferation. Serum IL-1β, TNF-α, IL-6 and IL-1Ra levels were measured by enzyme-linked immunosorbent assay (ELISA) and liver HGF, EGF, TNF-α, IL-6, IL-1Ra and IL-1β gene expression was determined by quantitative real-time PCR. The data indicated that the IL-6 and TNF-α mRNA of oroxylin A administered group significantly increased higher than the control within 12 hours after CCl4 treatment. Meanwhile, oroxylin A significantly enhanced the expression of IL-1Ra at the early phase, which indicated that oroxylin A could facilitate the initiating events in liver regeneration by increasing IL-1Ra which acts as an Acute-Phase Protein (APP). In addition, a lethal CCl4-induced acute liver failure model offers a survival benefit in oroxylin A treated WT mice. However, oroxylin A could not significantly improve the percent survival of IL-1RI−/− mice with a lethal CCl4-induced acute liver failure. Conclusions Our study confirmed that oroxylin A could strongly promote liver structural remodeling and functional recovery through IL-1Ra/IL-1RI signaling pathway. All these results support the possibility of oroxylin A being a therapeutic candidate for acute liver injury.
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Affiliation(s)
- Runzhi Zhu
- Laboratory of Regenerative Medicine, Department of Hepatobiliary Surgery, Affiliated Hospital of Guangdong Medical College, Zhanjiang, China
| | - Guofang Zeng
- Laboratory of Regenerative Medicine, Department of Hepatobiliary Surgery, Affiliated Hospital of Guangdong Medical College, Zhanjiang, China
| | - Yinqin Chen
- Laboratory of Regenerative Medicine, Department of Hepatobiliary Surgery, Affiliated Hospital of Guangdong Medical College, Zhanjiang, China
| | - Qingyu Zhang
- Laboratory of Regenerative Medicine, Department of Hepatobiliary Surgery, Affiliated Hospital of Guangdong Medical College, Zhanjiang, China
| | - Bin Liu
- Laboratory of Regenerative Medicine, Department of Hepatobiliary Surgery, Affiliated Hospital of Guangdong Medical College, Zhanjiang, China
| | - Jie Liu
- Laboratory of Regenerative Medicine, Department of Hepatobiliary Surgery, Affiliated Hospital of Guangdong Medical College, Zhanjiang, China
| | - Hege Chen
- Department of Pharmacology and Experimental Therapeutics, University of Maryland School of Medicine, Baltimore, Maryland, United States of America
- * E-mail: (ML); (HC)
| | - Mingyi Li
- Laboratory of Regenerative Medicine, Department of Hepatobiliary Surgery, Affiliated Hospital of Guangdong Medical College, Zhanjiang, China
- * E-mail: (ML); (HC)
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Hepatitis B virus HBx protein impairs liver regeneration through enhanced expression of IL-6 in transgenic mice. J Hepatol 2013; 59:285-91. [PMID: 23542345 DOI: 10.1016/j.jhep.2013.03.021] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2012] [Revised: 02/19/2013] [Accepted: 03/19/2013] [Indexed: 12/26/2022]
Abstract
BACKGROUND & AIMS Conflicting results have been reported regarding the impact of hepatitis B virus X protein (HBx) expression on liver regeneration triggered by partial hepatectomy (PH). In the present report we investigated the mechanisms by which HBx protein alters hepatocyte proliferation after PH. METHODS PH was performed on a transgenic mouse model in which HBx expression is under the control of viral regulatory elements and liver regeneration was monitored. LPS, IL-6 neutralizing antibody, and SB203580 were injected after PH to evaluate IL-6 participation during liver regeneration. RESULTS Cell cycle progression of hepatocytes was delayed in HBx transgenic mice compared to WT animals. Moreover, HBx induced higher secretion of IL-6 soon after PH. Upregulation of IL-6 was associated with an elevation of STAT3 phosphorylation, SOCS3 transcript accumulation and a decrease in ERK1/2 phosphorylation in the livers of HBx transgenic mice. The involvement of IL-6 overexpression in cell cycle deregulation was confirmed by the inhibition of liver regeneration in control mice after the upregulation of IL-6 expression using LPS. In addition, IL-6 neutralization with antibodies was able to restore liver regeneration in HBx mice. Finally, the direct role of p38 in IL-6 secretion after PH was demonstrated using SB203580, a pharmacological inhibitor. CONCLUSIONS HBx is able to induce delayed hepatocyte proliferation after PH, and HBx-induced IL-6 overexpression is involved in delayed liver regeneration. By modulating IL-6 expression during liver proliferation induced by stimulation of the cellular microenvironment, HBx may participate in cell cycle deregulation and progression of liver disease.
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da Silva CG, Studer P, Skroch M, Mahiou J, Minussi DC, Peterson CR, Wilson SW, Patel VI, Ma A, Csizmadia E, Ferran C. A20 promotes liver regeneration by decreasing SOCS3 expression to enhance IL-6/STAT3 proliferative signals. Hepatology 2013; 57:2014-25. [PMID: 23238769 PMCID: PMC3626749 DOI: 10.1002/hep.26197] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2012] [Accepted: 12/02/2012] [Indexed: 12/21/2022]
Abstract
UNLABELLED Liver regeneration is of major clinical importance in the setting of liver injury, resection, and transplantation. A20, a potent antiinflammatory and nuclear factor kappa B (NF-κB) inhibitory protein, has established pro-proliferative properties in hepatocytes, in part through decreasing expression of the cyclin dependent kinase inhibitor, p21. Both C-terminal (7-zinc fingers; 7Zn) and N-terminal (Nter) domains of A20 were required to decrease p21 and inhibit NF-κB. However, both independently increased hepatocyte proliferation, suggesting that additional mechanisms contributed to the pro-proliferative function of A20 in hepatocytes. We ascribed one of A20's pro-proliferative mechanisms to increased and sustained interleukin (IL)-6-induced signal transducer and activator of transcription 3 (STAT3) phosphorylation, as a result of decreased hepatocyte expression of the negative regulator of IL-6 signaling, suppressor of cytokine signaling 3 (SOCS3). This novel A20 function segregates with its 7Zn not Nter domain. Conversely, total and partial loss of A20 in hepatocytes increased SOCS3 expression, hampering IL-6-induced STAT3 phosphorylation. Following liver resection in mice pro-proliferative targets downstream of IL-6/STAT3 signaling were increased by A20 overexpression and decreased by A20 knockdown. In contrast, IL-6/STAT3 proinflammatory targets were increased in A20-deficient livers, and decreased or unchanged in A20 overexpressing livers. Upstream of SOCS3, levels of its microRNA regulator miR203 were significantly decreased in A20-deficient livers. CONCLUSION A20 enhances IL-6/STAT3 pro-proliferative signals in hepatocytes by down-regulating SOCS3, likely through a miR203-dependent manner. This finding together with A20 reducing the levels of the potent cell cycle brake p21 establishes its pro-proliferative properties in hepatocytes and prompts the pursuit of A20-based therapies to promote liver regeneration and repair.
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Affiliation(s)
- Cleide G. da Silva
- Division of Vascular and Endovascular Surgery, Center for Vascular Biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Peter Studer
- Division of Vascular and Endovascular Surgery, Center for Vascular Biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Marco Skroch
- Division of Vascular and Endovascular Surgery, Center for Vascular Biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Jerome Mahiou
- Division of Vascular and Endovascular Surgery, Center for Vascular Biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Darlan C. Minussi
- Division of Vascular and Endovascular Surgery, Center for Vascular Biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Clayton R. Peterson
- Division of Vascular and Endovascular Surgery, Center for Vascular Biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Suzhuei W. Wilson
- Division of Vascular and Endovascular Surgery, Center for Vascular Biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Virendra I. Patel
- Division of Vascular and Endovascular Surgery, Center for Vascular Biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Averil Ma
- Division of Gastroenterology, Department of Medicine, University of California San Francisco, San Francisco, CA
| | - Eva Csizmadia
- Division of Vascular and Endovascular Surgery, Center for Vascular Biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Christiane Ferran
- Division of Vascular and Endovascular Surgery, Center for Vascular Biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA,Division of Nephrology, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
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Huang HL, Wang YJ, Zhang QY, Liu B, Wang FY, Li JJ, Zhu RZ. Hepatoprotective effects of baicalein against CCl 4-induced acute liver injury in mice. World J Gastroenterol 2012; 18:6605-13. [PMID: 23236235 PMCID: PMC3516202 DOI: 10.3748/wjg.v18.i45.6605] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2012] [Revised: 09/06/2012] [Accepted: 09/29/2012] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the hepatoprotective effect of baicalein against carbon tetrachloride (CCl4)-induced liver damage in mice.
METHODS: Mice were orally administered with baicalein after CCl4 injection, and therapeutic baicalein was given twice a day for 4 d. The anti-inflammation effects of baicalein were assessed directly by hepatic histology and serum alanine aminotranferease and aspartate aminotransferase measurement. Proliferating cell nuclear antigen was used to evaluate the effect of baicalein in promoting hepatocyte proliferation. Serum interleukin (IL)-6, IL-1β and tumor necrosis factor-α (TNF-α) levels were measured by enzyme-linked immunosorbent assay and liver IL-6, TNF-α, transforming growth factor-α (TGF-α), hepatocyte growth factor (HGF) and epidermal growth factor (EGF) genes expression were determined by quantitative real-time polymerase chain reaction.
RESULTS: CCl4-induced acute liver failure model offers a survival benefit in baicalein-treated mice. The data indicated that the mRNA levels of IL-6 and TNF-α significantly increased within 12 h after CCl4 treatment in baicalein administration groups, but at 24, 48 and 72 h, the expression of IL-6 and TNF-α was kept at lower levels compared with the control. The expression of TGF-α, HGF and EGF was enhanced dramatically in baicalein administration group at 12, 24, 48 and 72 h. Furthermore, we found that baicalein significantly elevated the serum level of TNF-α and IL-6 at the early phase, which indicated that baicalein could facilitate the initiating events in liver regeneration.
CONCLUSION: Baicalein may be a therapeutic candidate for acute liver injury. Baicalein accelerates liver regeneration by regulating TNF-α and IL-6 mediated pathways.
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The stat3/socs3a pathway is a key regulator of hair cell regeneration in zebrafish. [corrected]. J Neurosci 2012; 32:10662-73. [PMID: 22855815 DOI: 10.1523/jneurosci.5785-10.2012] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
All nonmammalian vertebrates studied can regenerate inner ear mechanosensory receptors (i.e., hair cells) (Corwin and Cotanche, 1988; Lombarte et al., 1993; Baird et al., 1996), but mammals possess only a very limited capacity for regeneration after birth (Roberson and Rubel, 1994). As a result, mammals experience permanent deficiencies in hearing and balance once their inner ear hair cells are lost. The mechanisms of hair cell regeneration are poorly understood. Because the inner ear sensory epithelium is highly conserved in all vertebrates (Fritzsch et al., 2007), we chose to study hair cell regeneration mechanism in adult zebrafish, hoping the results would be transferrable to inducing hair cell regeneration in mammals. We defined the comprehensive network of genes involved in hair cell regeneration in the inner ear of adult zebrafish with the powerful transcriptional profiling technique digital gene expression, which leverages the power of next-generation sequencing ('t Hoen et al., 2008). We also identified a key pathway, stat3/socs3, and demonstrated its role in promoting hair cell regeneration through stem cell activation, cell division, and differentiation. In addition, transient pharmacological inhibition of stat3 signaling accelerated hair cell regeneration without overproducing cells. Taking other published datasets into account (Sano et al., 1999; Schebesta et al., 2006; Dierssen et al., 2008; Riehle et al., 2008; Zhu et al., 2008; Qin et al., 2009), we propose that the stat3/socs3 pathway is a key response in all tissue regeneration and thus an important therapeutic target for a broad application in tissue repair and injury healing.
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Interleukin-1 receptor antagonist modulates the early phase of liver regeneration after partial hepatectomy in mice. PLoS One 2011; 6:e25442. [PMID: 21980458 PMCID: PMC3181321 DOI: 10.1371/journal.pone.0025442] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2011] [Accepted: 09/05/2011] [Indexed: 11/25/2022] Open
Abstract
Background Cytokine administration is a potential therapy for acute liver failure by reducing inflammatory responses and favour hepatocyte regeneration. The aim of this study was to evaluate the role of interleukin-1 receptor antagonist (IL-1ra) during liver regeneration and to study the effect of a recombinant human IL-1ra on liver regeneration. Methods We performed 70%-hepatectomy in wild type (WT) mice, IL-1ra knock-out (KO) mice and in WT mice treated by anakinra. We analyzed liver regeneration at regular intervals by measuring the blood levels of cytokines, the hepatocyte proliferation by bromodeoxyuridin (BrdU) incorporation, proliferating cell nuclear antigen (PCNA) and Cyclin D1 expression. The effect of anakinra on hepatocyte proliferation was also tested in vitro using human hepatocytes. Results At 24h and at 48h after hepatectomy, IL-1ra KO mice had significantly higher levels of pro-inflammatory cytokines (IL-6, IL-1β and MCP-1) and a reduced and delayed hepatocyte proliferation measured by BrdU incorporation, PCNA and Cyclin D1 protein levels, when compared to WT mice. IGFBP-1 and C/EBPβ expression was significantly decreased in IL-1ra KO compared to WT mice. WT mice treated with anakinra showed significantly decreased levels of IL-6 and significantly higher hepatocyte proliferation at 24h compared to untreated WT mice. In vitro, primary human hepatocytes treated with anakinra showed significantly higher proliferation at 24h compared to hepatocytes without treatment. Conclusion IL1ra modulates the early phase of liver regeneration by decreasing the inflammatory stress and accelerating the entry of hepatocytes in proliferation. IL1ra might be a therapeutic target to improve hepatocyte proliferation.
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Preoperative glucocorticoid use in major abdominal surgery: systematic review and meta-analysis of randomized trials. Ann Surg 2011; 254:183-91. [PMID: 21694581 DOI: 10.1097/sla.0b013e3182261118] [Citation(s) in RCA: 85] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
OBJECTIVE To determine the clinical safety and efficacy of preoperative glucocorticoid (GC) administration in major abdominal surgery with regards to short term outcomes. BACKGROUND Previous randomized controlled trials (RCTs) in major abdominal surgery have displayed conflicting results regarding the short-term benefits of preoperative GC administration. Importantly, the safety of this intervention has not been conclusively determined. METHODS A systematic review and quantitative meta-analysis was conducted of all RCTs exploring preoperative GC administration in major abdominal surgery for the endpoints of complications, hospital length of stay (LOS) and serum IL-6 on postoperative day one. Subset analyses by procedure were planned "a priori." RESULTS Eleven RCTs of moderate quality, comprising 439 patients in total, were included in the final analysis. Preoperative GC use decreased complications (OR = 0.37; 95% CI, 0.21-0.64; P < 0.01), LOS (mean = 1.97 days; 95% CI, -3.33 to -0.61; P = 0.01), and serum IL-6 (mean: -55 pg/mL; 95% CI, -82.30 to -27.91; P < 0.01). Preoperative GCs decreased complications in hepatic resection (OR = 0.28; 95% CI, 0.14-0.55; P < 0.01) and mean LOS (mean LOS: -2.66; 95% CI, -5.01 to -0.32; P = 0.03). GCs reduced mean LOS in patients undergoing colorectal surgery (mean LOS: -0.98; 95% CI, -1.67 to -0.27; P = 0.01). There was no difference in complication rates (OR: 0.45; 95% CI, 0.16-1.32; P = 0.15) or anastomotic leaks specifically. CONCLUSIONS Preoperative administration of GCs decreases complications and LOS after major abdominal surgery as a likely consequence of attenuating the postsurgical inflammatory response. There is no evidence of increased complications in colorectal surgery.
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Vaquero J, Campbell JS, Haque J, McMahan RS, Riehle KJ, Bauer RL, Fausto N. Toll-like receptor 4 and myeloid differentiation factor 88 provide mechanistic insights into the cause and effects of interleukin-6 activation in mouse liver regeneration. Hepatology 2011; 54:597-608. [PMID: 21574169 PMCID: PMC4247827 DOI: 10.1002/hep.24420] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2010] [Accepted: 04/30/2011] [Indexed: 12/21/2022]
Abstract
UNLABELLED Partial hepatectomy (PH) consistently results in an early increase of circulating interleukin-6 (IL-6), which is thought to play a major role in liver regeneration. Activation of this cytokine after PH requires the adaptor protein, MyD88, but the specific MyD88-related receptors involved remain unidentified. It is also unknown whether the magnitude of IL-6 elevation determines the extent of subsequent hepatocyte proliferation. Here, we uncovered artifacts in the assessment of circulating IL-6 levels when using cardiac puncture in mice after PH. By using retro-orbital bleed sampling, we show that the circulating levels of IL-6 after PH were not directly correlated with the extent of hepatocyte DNA synthesis in individual mice. The IL-6 increase after PH was attenuated in all lipopolysaccharide-hyporesponsive mouse strains studied (e.g., C3H/HeJ, Tlr4 null, Cd14 null, Tlr2,4,9 null, and Tlr2,4-Caspase1 null) and was severely abrogated in Myd88 null mice. Despite attenuated IL-6 levels, Tlr4 null mice showed normal signaling downstream of IL-6 and normal hepatocyte proliferation. In contrast, Myd88 null mice showed severe impairments in signal transducer and activator of transcription 3 phosphorylation and Socs3 induction, but had enhanced and prolonged extracellular signal-related kinase 1 and 2 phosphorylation in the first 6 hours after PH. Unexpectedly, these changes were associated with accelerated initiation of hepatocyte proliferation, as assessed by hepatocyte bromodeoxyuridine incorporation, phospho-histone H3 immunostaining, and cyclin E and A protein expression. CONCLUSION TLR-4 signaling contributes to IL-6 activation after PH, but the Tlr4-independent component appears sufficient for ensuring intact signaling downstream of IL-6. The lack of correlation between IL-6 levels and hepatocyte proliferation after PH, and the accelerated start of hepatocyte proliferation in Myd88 null mice despite abrogated cytokine activation, may highlight relevant antiproliferative effects of IL-6 signaling, possibly via Socs3, in the regulation of liver regeneration.
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Affiliation(s)
- Javier Vaquero
- Department of Pathology, University of Washington, Seattle, WA
,HGU Gregorio Maranon-CIBERehd, Madrid, Spain
| | | | - Jamil Haque
- Department of Pathology, University of Washington, Seattle, WA
| | - Ryan S. McMahan
- Department of Pathology, University of Washington, Seattle, WA
| | | | - Renay L. Bauer
- Department of Pathology, University of Washington, Seattle, WA
| | - Nelson Fausto
- Department of Pathology, University of Washington, Seattle, WA
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