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Wang Y, Zhao M, Li B, Geng X. Advances in the mechanism of emodin-induced hepatotoxicity. Heliyon 2024; 10:e33631. [PMID: 39027614 PMCID: PMC11255441 DOI: 10.1016/j.heliyon.2024.e33631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 06/21/2024] [Accepted: 06/24/2024] [Indexed: 07/20/2024] Open
Abstract
Emodin is a naturally occurring anthraquinone derivative and serves as an active component in various traditional Chinese herbal medicines. It is widely known for its broad pharmacological effects, including anti-inflammatory, antioxidant, and anticancer properties. However, high doses and long-term use of emodin can also lead to liver toxicity. Nevertheless, the mechanism of emodin-induced liver toxicity remains unclear at present. This article aims to summarize the toxicological research progress on emodin, with a particular focus on elucidating the mechanisms underlying emodin-induced hepatocyte injury. By providing essential information, the study intends to facilitate further research and safe usage of emodin for researchers and clinical practitioners.
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Affiliation(s)
- Yupeng Wang
- National Center for Safety Evaluation of Drugs, National Institutes for Food and Drug Control. Chinese Academy of Medical Sciences & Peking Union Medical College, 100050, China
| | - Mengchao Zhao
- Department of Pharmacy, General Hospital of Ningxia Medical University, 804 Shengli Street, Xingqing District, Ningxia, 750004, China
| | - Bo Li
- National Center for Safety Evaluation of Drugs, National Institutes for Food and Drug Control. Chinese Academy of Medical Sciences & Peking Union Medical College, 100050, China
| | - Xingchao Geng
- National Center for Safety Evaluation of Drugs, National Institutes for Food and Drug Control. Chinese Academy of Medical Sciences & Peking Union Medical College, 100050, China
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2
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Singal AK, Shah VH, Malhi H. Emerging targets for therapy in ALD: Lessons from NASH. Hepatology 2024; 80:223-237. [PMID: 36938877 PMCID: PMC10511666 DOI: 10.1097/hep.0000000000000381] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 03/09/2023] [Indexed: 03/21/2023]
Abstract
Alcohol-associated liver disease due to harmful alcohol use and NAFLD associated with metabolic syndrome are the 2 most common liver diseases worldwide. Control of respective risk factors is the cornerstone in the long-term management of these diseases. Furthermore, there are no effective therapies. Both diseases are characterized by metabolic derangements; thus, the focus of this review was to broaden our understanding of metabolic targets investigated in NAFLD, and how these can be applied to alcohol-associated liver disease. Conserved pathogenic pathways such as dysregulated lipid metabolism, cell death pathways including apoptosis and activation of innate immune cells, and stellate cells mediate both alcohol and NAFLDs, resulting in histological abnormalities of steatosis, inflammation, fibrosis, and cirrhosis. However, pathways such as gut microbiome changes, glucose metabolism and insulin resistance, inflammatory signaling, and microRNA abnormalities are distinct in these 2 diseases. In this review article, we describe conserved and distinct pathogenic pathways highlighting therapeutic targets that may be of potential in both diseases and those that are unique to each disease.
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Affiliation(s)
- Ashwani K. Singal
- Department of Internal Medicine, University of South Dakota Sanford School of Medicine, Sioux Falls, South Dakota, USA
- Division of Gastroenterology and Hepatology, Avera Transplant Institute, Sioux Falls, South Dakota, USA
- VA Medical Center, Sioux Falls, South Dakota, USA
| | - Vijay H. Shah
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
| | - Harmeet Malhi
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
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3
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Chen H, Ellis BW, Dinicu AT, Mojoudi M, Wilks BT, Tessier SN, Toner M, Uygun K, Uygun BE. Polyethylene glycol and caspase inhibitor emricasan alleviate cold injury in primary rat hepatocytes. Cryobiology 2024; 116:104926. [PMID: 38880369 DOI: 10.1016/j.cryobiol.2024.104926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 05/28/2024] [Accepted: 06/04/2024] [Indexed: 06/18/2024]
Abstract
Current methods of storing explanted donor livers at 4 °C in University of Wisconsin (UW) solution result in loss of graft function and ultimately lead to less-than-ideal outcomes post transplantation. Our lab has previously shown that supplementing UW solution with 35-kilodalton polyethylene glycol (PEG) has membrane stabilizing effects for cold stored primary rat hepatocytes in suspension. Expanding on past studies, we here investigate if PEG has the same beneficial effects in an adherent primary rat hepatocyte cold storage model. In addition, we investigated the extent of cold-induced apoptosis through treating cold-stored hepatocytes with pan caspase inhibitor emricasan. In parallel to storage at the current cold storage standard of 4 °C, we investigated the effects of lowering the storage temperature to -4 °C, at which the storage solution remains ice-free due to the supercooling phenomenon. We show the addition of 5 % PEG to the storage medium significantly reduced the release of lactate dehydrogenase (LDH) in plated rat hepatocytes and a combinatorial treatment with emricasan maintains hepatocyte viability and morphology following recovery from cold storage. These results show that cold-stored hepatocytes undergo multiple mechanisms of cold-induced injury and that PEG and emricasan treatment in combination with supercooling may improve cell and organ preservation.
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Affiliation(s)
- Huyun Chen
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; Shriners Children's Boston, Boston, MA, USA
| | - Bradley W Ellis
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; Shriners Children's Boston, Boston, MA, USA
| | - Antonia T Dinicu
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; Shriners Children's Boston, Boston, MA, USA
| | - Mohammadreza Mojoudi
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; Shriners Children's Boston, Boston, MA, USA
| | - Benjamin T Wilks
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; Shriners Children's Boston, Boston, MA, USA
| | - Shannon N Tessier
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; Shriners Children's Boston, Boston, MA, USA
| | - Mehmet Toner
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; Shriners Children's Boston, Boston, MA, USA
| | - Korkut Uygun
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; Shriners Children's Boston, Boston, MA, USA
| | - Basak E Uygun
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; Shriners Children's Boston, Boston, MA, USA.
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4
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Hu L, Zhao X, He X, Guo Y, Cheng H, Chen S, Zhou G, Wang J, Lu Y. Gynostemma Pentaphyllum ameliorates CCl 4-induced liver injury via PDK1/Bcl-2 pathway with comprehensive analysis of network pharmacology and transcriptomics. Chin Med 2024; 19:70. [PMID: 38750545 PMCID: PMC11094861 DOI: 10.1186/s13020-024-00942-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 05/05/2024] [Indexed: 05/19/2024] Open
Abstract
BACKGROUND Gynostemma pentaphyllum (Thunb.) Makino, commonly known as "southern ginseng", contains high amounts of ginsenoside derivatives and exhibits similar biological activities with Panax ginseng (C. A. MEY) (ginseng), which is usually used as a low-cost alternative to ginseng. G. pentaphyllum has therapeutic effects on liver diseases. However, the mechanisms underlying its hepatoprotective action have not been fully elucidated. METHODS The protective effects of the ethanolic extract of G. pentaphyllum (GPE) were evaluated using an experimental carbon tetrachloride (CCl4)-induced liver disease model. Potential targets of GPE were predicted using the "Drug-Disease" bioinformatic analysis. Furthermore, comprehensive network pharmacology and transcriptomic approaches were employed to investigate the underlying mechanisms of GPE in the treatment of liver disease. RESULTS The pathological examinations showed that GPE significantly alleviated hepatocyte necrosis and liver injury. GPE significantly downregulated Bax and cleaved-PARP expression and upregulated Bcl-2 expression during CCl4-induced hepatocyte apoptosis. We compared the effects of four typical compounds in GPE -a ginsenoside (Rb3) shared by both GPE and ginseng and three unique gypenosides in GPE. Notably, Gypenoside A (GPA), a unique saponin in GPE, markedly reduced hepatocyte apoptosis. In contrast, ginsenoside Rb3 had a weaker effect. Network pharmacology and transcriptomic analyses suggested that this anti-apoptotic effect was achieved by upregulating the PI3K/Akt signaling pathway mediated by PDK1. CONCLUSIONS These results suggested that G. pentaphyllum had a promising hepatoprotective effect, with its mechanism primarily involving the upregulation of the PDK1/Bcl-2 signaling pathway by GPA, thereby preventing cell apoptosis.
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Affiliation(s)
- Linlan Hu
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, China
- School of Traditional Chinese Medicine, Capital Medical University, No.10 Outside You'anmen, Fengtai District, Beijing, 100069, China
| | - Xin Zhao
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, China
- School of Traditional Chinese Medicine, Capital Medical University, No.10 Outside You'anmen, Fengtai District, Beijing, 100069, China
| | - Xian He
- School of Traditional Chinese Medicine, Capital Medical University, No.10 Outside You'anmen, Fengtai District, Beijing, 100069, China
| | - Yafei Guo
- School of Traditional Chinese Medicine, Capital Medical University, No.10 Outside You'anmen, Fengtai District, Beijing, 100069, China
| | - Hanxiao Cheng
- School of Traditional Chinese Medicine, Capital Medical University, No.10 Outside You'anmen, Fengtai District, Beijing, 100069, China
| | - Shaoting Chen
- School of Traditional Chinese Medicine, Capital Medical University, No.10 Outside You'anmen, Fengtai District, Beijing, 100069, China
| | - Guangde Zhou
- Centre for Clinical Pathology, Beijing You'an Hospital, Capital Medical University, No.8 Outside You'anmen, Fengtai District, Beijing, 100069, China.
| | - Jiabo Wang
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
- School of Traditional Chinese Medicine, Capital Medical University, No.10 Outside You'anmen, Fengtai District, Beijing, 100069, China.
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-DiHerbs, Beijing, 100700, China.
| | - Yawen Lu
- School of Traditional Chinese Medicine, Capital Medical University, No.10 Outside You'anmen, Fengtai District, Beijing, 100069, China.
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Mireault M, Rose CF, Karvellas CJ, Sleno L. Perturbations in human bile acid profiles following drug-induced liver injury investigated using semitargeted high-resolution mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2024; 38:e9731. [PMID: 38469943 DOI: 10.1002/rcm.9731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/13/2024] [Accepted: 02/15/2024] [Indexed: 03/13/2024]
Abstract
RATIONALE Acetaminophen (APAP) overdose is the leading cause of acute liver failure (ALF) in North America. To investigate the effect of drug-induced liver injury (DILI) on circulating bile acid (BA) profiles, serum from ALF patients and healthy controls were analyzed using a semitargeted high-resolution mass spectrometry approach to measure BAs in their unconjugated and amidated forms and their glucuronide and sulfate conjugates. METHODS Human serum samples from 20 healthy volunteers and 34 ALF patients were combined with deuterated BAs and extracted, prior to liquid chromatography high-resolution tandem mass spectrometry analysis. A mix of 46 standards helped assign 26 BAs in human serum by accurate mass and retention time matching. Moreover, other isomers of unconjugated and amidated BAs, as well as glucuronide and sulfate conjugates, were assigned by accurate mass filtering. In vitro incubations of standard BAs provided increased information for certain peaks of interest. RESULTS A total of 275 BA metabolites, with confirmed or putative assignments, were measured in human serum samples. APAP overdose significantly influenced the levels of most BAs, promoting glycine conjugation, and, to a lesser extent, taurine conjugation. When patient outcome was considered, 11 BAs were altered significantly, including multiple sulfated species. Although many of the BAs measured did not have exact structures assigned, several putatively identified BAs of interest were further characterized using in vitro incubations. CONCLUSION An optimized chromatographic separation tailored to BAs of ranging polarities was combined with accurate mass measurements to investigate the effect that DILI has on their complex profiles and metabolism to a much wider extent than previously possible. The analysis of complex BA profiles enabled in-depth analysis of the BA metabolism perturbations in ALF, including certain metabolites related to patient outcomes.
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Affiliation(s)
- Myriam Mireault
- Department of Chemistry/CERMO-FC, Université du Québec à Montréal (UQAM), Montreal, Quebec, Canada
| | - Christopher F Rose
- Hepato-Neuro Lab, CRCHUM, Montréal, Quebec, Canada
- Department of Medicine, Université de Montréal, Montréal, Quebec, Canada
| | - Constantine J Karvellas
- Department of Critical Care Medicine and Gastroenterology/Hepatology, University of Alberta, Edmonton, Alberta, Canada
| | - Lekha Sleno
- Department of Chemistry/CERMO-FC, Université du Québec à Montréal (UQAM), Montreal, Quebec, Canada
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6
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Mojoudi M, Taggart MS, Kharga A, Chen H, Dinicu AT, Wilks BT, Markmann JF, Toner M, Tessier SN, Yeh H, Uygun K. Anti-apoptotic treatment of warm ischemic male rat livers in machine perfusion improves symptoms of ischemia-reperfusion injury. Heliyon 2024; 10:e29519. [PMID: 38660283 PMCID: PMC11040033 DOI: 10.1016/j.heliyon.2024.e29519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 04/08/2024] [Accepted: 04/09/2024] [Indexed: 04/26/2024] Open
Abstract
Background Liver donation after cardiac death (DCD) makes up a small percentage of the organs used in transplantation and poses a higher risk of graft loss compared to donation after brain death (DBD); this is a result of ischemia reperfusion for which the exact injury mechanisms are currently not fully understood. However, reperfusion injury has been shown to lead to necrosis as well as apoptosis through oxidative stress and mitochondrial dysfunction. In this work, we propose that use of the pro-survival, anti-apoptotic CEPT cocktail in post-ischemia normothermic machine perfusion (NMP) may improve recovery in rat livers subjected to extended durations of warm ischemia. Materials and Methods Livers procured from male Lewis rats were subjected to 90 min of warm ischemia, followed by 6 h of NMP where they were treated either with the survival-enhancing anti-apoptotic cocktail (CEPT), the vehicle (DMSO) or the base media with no additives. Results The CEPT-treated group exhibited lower expression of hepatic injury biomarkers, and improvement in a range of hepatocellular symptoms associated with the hepatic parenchyma, biliary epithelium and the sinusoidal endothelium, including recovery of bile secretion and lowered vascular resistance. Conclusions This study's findings suggest apoptosis plays a more significant role in ischemia-reperfusion injury than previously understood, and provide useful insight for further investigation of the specific underlying mechanisms and development of novel treatment methods.
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Affiliation(s)
- Mohammadreza Mojoudi
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
- Shriners Children's, Boston, MA, USA
| | - McLean S. Taggart
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
- Shriners Children's, Boston, MA, USA
| | - Anil Kharga
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
- Shriners Children's, Boston, MA, USA
| | - Huyun Chen
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
- Shriners Children's, Boston, MA, USA
| | - Antonia T. Dinicu
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
- Shriners Children's, Boston, MA, USA
| | - Benjamin T. Wilks
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
- Shriners Children's, Boston, MA, USA
| | - James F. Markmann
- Harvard Medical School, Boston, MA, USA
- Center for Transplantation Sciences, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
| | - Mehmet Toner
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
- Shriners Children's, Boston, MA, USA
| | - Shannon N. Tessier
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
- Shriners Children's, Boston, MA, USA
| | - Heidi Yeh
- Harvard Medical School, Boston, MA, USA
- Center for Transplantation Sciences, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
| | - Korkut Uygun
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
- Shriners Children's, Boston, MA, USA
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7
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Fleishman JS, Kumar S. Bile acid metabolism and signaling in health and disease: molecular mechanisms and therapeutic targets. Signal Transduct Target Ther 2024; 9:97. [PMID: 38664391 PMCID: PMC11045871 DOI: 10.1038/s41392-024-01811-6] [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: 11/28/2023] [Revised: 03/06/2024] [Accepted: 03/17/2024] [Indexed: 04/28/2024] Open
Abstract
Bile acids, once considered mere dietary surfactants, now emerge as critical modulators of macronutrient (lipid, carbohydrate, protein) metabolism and the systemic pro-inflammatory/anti-inflammatory balance. Bile acid metabolism and signaling pathways play a crucial role in protecting against, or if aberrant, inducing cardiometabolic, inflammatory, and neoplastic conditions, strongly influencing health and disease. No curative treatment exists for any bile acid influenced disease, while the most promising and well-developed bile acid therapeutic was recently rejected by the FDA. Here, we provide a bottom-up approach on bile acids, mechanistically explaining their biochemistry, physiology, and pharmacology at canonical and non-canonical receptors. Using this mechanistic model of bile acids, we explain how abnormal bile acid physiology drives disease pathogenesis, emphasizing how ceramide synthesis may serve as a unifying pathogenic feature for cardiometabolic diseases. We provide an in-depth summary on pre-existing bile acid receptor modulators, explain their shortcomings, and propose solutions for how they may be remedied. Lastly, we rationalize novel targets for further translational drug discovery and provide future perspectives. Rather than dismissing bile acid therapeutics due to recent setbacks, we believe that there is immense clinical potential and a high likelihood for the future success of bile acid therapeutics.
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Affiliation(s)
- Joshua S Fleishman
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, USA
| | - Sunil Kumar
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, USA.
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Han J, Lee C, Jung Y. Current Evidence and Perspectives of Cluster of Differentiation 44 in the Liver's Physiology and Pathology. Int J Mol Sci 2024; 25:4749. [PMID: 38731968 PMCID: PMC11084344 DOI: 10.3390/ijms25094749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Revised: 04/21/2024] [Accepted: 04/24/2024] [Indexed: 05/13/2024] Open
Abstract
Cluster of differentiation 44 (CD44), a multi-functional cell surface receptor, has several variants and is ubiquitously expressed in various cells and tissues. CD44 is well known for its function in cell adhesion and is also involved in diverse cellular responses, such as proliferation, migration, differentiation, and activation. To date, CD44 has been extensively studied in the field of cancer biology and has been proposed as a marker for cancer stem cells. Recently, growing evidence suggests that CD44 is also relevant in non-cancer diseases. In liver disease, it has been shown that CD44 expression is significantly elevated and associated with pathogenesis by impacting cellular responses, such as metabolism, proliferation, differentiation, and activation, in different cells. However, the mechanisms underlying CD44's function in liver diseases other than liver cancer are still poorly understood. Hence, to help to expand our knowledge of the role of CD44 in liver disease and highlight the need for further research, this review provides evidence of CD44's effects on liver physiology and its involvement in the pathogenesis of liver disease, excluding cancer. In addition, we discuss the potential role of CD44 as a key regulator of cell physiology.
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Affiliation(s)
- Jinsol Han
- Department of Integrated Biological Science, College of Natural Science, Pusan National University, Pusan 46241, Republic of Korea;
| | - Chanbin Lee
- Institute of Systems Biology, College of Natural Science, Pusan National University, Pusan 46241, Republic of Korea;
| | - Youngmi Jung
- Department of Integrated Biological Science, College of Natural Science, Pusan National University, Pusan 46241, Republic of Korea;
- Department of Biological Sciences, College of Natural Science, Pusan National University, Pusan 46241, Republic of Korea
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Chen M, Wu G, Lu Y, Sun S, Yu Z, Pan X, Chen W, Xu H, Qiu H, He W, Li X, Wang X, Luo Y, Du Y, Wu J, Wei K, Zhang W, Liu Z, He Z. A p21-ATD mouse model for monitoring and eliminating senescent cells and its application in liver regeneration post injury. Mol Ther 2024:S1525-0016(24)00218-1. [PMID: 38582962 DOI: 10.1016/j.ymthe.2024.04.002] [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: 10/18/2023] [Revised: 02/10/2024] [Accepted: 04/03/2024] [Indexed: 04/08/2024] Open
Abstract
Cellular senescence associates with pathological aging and tissue dysfunctions. Studies utilizing mouse models for cell lineage tracings have emphasized the importance of senescence heterogeneity in different organs and cell types. Here, we constructed a p21- (Akaluc - tdTomato - Diphtheria Toxin Receptor [DTR]) (ATD) mouse model to specifically study the undefined mechanism for p21-expressing senescent cells in the aged and liver injury animals. The successful expressions of these genes enabled in vitro flow cytometric sorting, in vivo tracing, and elimination of p21-expressing senescent cells. During the natural aging process, p21-expressing cells were found in various tissues of p21-ATD mice. Eliminating p21-expressing cells in the aged p21-ATD mice recovered their multiple biological functions. p21-ATD/Fah-/- mice, bred from p21-ATD mice and fumarylacetoacetate hydrolase (Fah)-/- mice of liver injury, showed that the majority of their senescent hepatocytes were the phenotype of p21+ rather than p16+. Furthermore, eliminating the p21-expressing hepatocytes significantly promoted the engraftment of grafted hepatocytes and facilitated liver repopulation, resulting in significant recovery from liver injury. Our p21-ATD mouse model serves as an optimal model for studying the pattern and function of p21-expressing senescent cells under the physical and pathological conditions during aging.
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Affiliation(s)
- Miaomiao Chen
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China; Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai 200335, P.R. China; Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200123, P.R. China
| | - Guoxiu Wu
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China; Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai 200335, P.R. China; Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200123, P.R. China
| | - Yanli Lu
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China; Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai 200335, P.R. China; Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200123, P.R. China
| | - Shiwen Sun
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China; Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai 200335, P.R. China; Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200123, P.R. China
| | - Zhao Yu
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China; Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai 200335, P.R. China; Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200123, P.R. China
| | - Xin Pan
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China; Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai 200335, P.R. China; Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200123, P.R. China
| | - Wenjian Chen
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China; Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai 200335, P.R. China; Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200123, P.R. China
| | - Hongyu Xu
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China; Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai 200335, P.R. China; Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200123, P.R. China
| | - Hua Qiu
- Department of General Surgery, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province 330006, P.R. China
| | - Weizhi He
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China; Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai 200335, P.R. China; Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200123, P.R. China
| | - Xiuhua Li
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China; Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai 200335, P.R. China; Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200123, P.R. China
| | - Xicheng Wang
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China; Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai 200335, P.R. China; Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, P.R. China
| | - Yi Luo
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China; Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai 200335, P.R. China; Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200123, P.R. China
| | - Yuan Du
- Department of General Surgery, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province 330006, P.R. China
| | - Jialing Wu
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China; Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai 200335, P.R. China; Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200123, P.R. China
| | - Ke Wei
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China
| | - Wencheng Zhang
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China; Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai 200335, P.R. China; Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200123, P.R. China
| | - Zhongmin Liu
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China; Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200123, P.R. China; Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, P.R. China
| | - Zhiying He
- Institute for Regenerative Medicine, State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200123, P.R. China; Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai 200335, P.R. China; Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200123, P.R. China.
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10
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Zhang Z, Leng XK, Zhai YY, Zhang X, Sun ZW, Xiao JY, Lu JF, Liu K, Xia B, Gao Q, Jia M, Xu CQ, Jiang YN, Zhang XG, Tao KS, Wu JW. Deficiency of ASGR1 promotes liver injury by increasing GP73-mediated hepatic endoplasmic reticulum stress. Nat Commun 2024; 15:1908. [PMID: 38459023 PMCID: PMC10924105 DOI: 10.1038/s41467-024-46135-9] [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: 06/21/2023] [Accepted: 02/13/2024] [Indexed: 03/10/2024] Open
Abstract
Liver injury is a core pathological process in the majority of liver diseases, yet the genetic factors predisposing individuals to its initiation and progression remain poorly understood. Here we show that asialoglycoprotein receptor 1 (ASGR1), a lectin specifically expressed in the liver, is downregulated in patients with liver fibrosis or cirrhosis and male mice with liver injury. ASGR1 deficiency exacerbates while its overexpression mitigates acetaminophen-induced acute and CCl4-induced chronic liver injuries in male mice. Mechanistically, ASGR1 binds to an endoplasmic reticulum stress mediator GP73 and facilitates its lysosomal degradation. ASGR1 depletion increases circulating GP73 levels and promotes the interaction between GP73 and BIP to activate endoplasmic reticulum stress, leading to liver injury. Neutralization of GP73 not only attenuates ASGR1 deficiency-induced liver injuries but also improves survival in mice received a lethal dose of acetaminophen. Collectively, these findings identify ASGR1 as a potential genetic determinant of susceptibility to liver injury and propose it as a therapeutic target for the treatment of liver injury.
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Affiliation(s)
- Zhe Zhang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Xiang Kai Leng
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Yuan Yuan Zhai
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Xiao Zhang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Zhi Wei Sun
- Beijing Sungen Biomedical Technology Co. Ltd, Beijing, China
| | - Jun Ying Xiao
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Jun Feng Lu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Kun Liu
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Air Force Medical University, Xi'an, China
| | - Bo Xia
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Qi Gao
- Beijing Sungen Biomedical Technology Co. Ltd, Beijing, China
| | - Miao Jia
- Beijing Sungen Biomedical Technology Co. Ltd, Beijing, China
| | - Cheng Qi Xu
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Yi Na Jiang
- Department of Pathology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xiao Gang Zhang
- Department of Hepatobiliary Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
| | - Kai Shan Tao
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Air Force Medical University, Xi'an, China.
| | - Jiang Wei Wu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China.
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11
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Thilakarathna WPDW, Rupasinghe HPV. Proanthocyanidins-Based Synbiotics as a Novel Strategy for Nonalcoholic Fatty Liver Disease (NAFLD) Risk Reduction. Molecules 2024; 29:709. [PMID: 38338453 PMCID: PMC10856248 DOI: 10.3390/molecules29030709] [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: 12/23/2023] [Revised: 01/29/2024] [Accepted: 02/01/2024] [Indexed: 02/12/2024] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD), the most common liver disease worldwide, is a spectrum of liver abnormalities ranging from steatosis to nonalcoholic steatohepatitis (NASH) characterized by excessive lipid accumulation. The prevalence of NAFLD is predicted to increase rapidly, demanding novel approaches to reduce the global NAFLD burden. Flavonoids, the most abundant dietary polyphenols, can reduce the risk of NAFLD. The majority of dietary flavonoids are proanthocyanidins (PACs), which are oligomers and polymers of the flavonoid sub-group flavan-3-ols. The efficacy of PAC in reducing the NAFLD risk can be significantly hindered by low bioavailability. The development of synbiotics by combining PAC with probiotics may increase effectiveness against NAFLD by biotransforming PAC into bioavailable metabolites. PAC and probiotic bacteria are capable of mitigating steatosis primarily through suppressing de novo lipogenesis and promoting fatty acid β-oxidation. PAC and probiotic bacteria can reduce the progression of steatosis to NASH mainly through ameliorating hepatic damage and inflammation induced by hepatic oxidative stress, endoplasmic reticulum stress, and gut microbiota dysbiosis. Synbiotics of PAC are superior in reducing the risk of NAFLD compared to independent administration of PAC and probiotics. The development of PAC-based synbiotics can be a novel strategy to mitigate the increasing incidence of NAFLD.
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Affiliation(s)
- Wasitha P. D. W. Thilakarathna
- Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada;
| | - H. P. Vasantha Rupasinghe
- Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada;
- Department of Pathology, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 4H7, Canada
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12
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Lei Z, Yu J, Wu Y, Shen J, Lin S, Xue W, Mao C, Tang R, Sun H, Qi X, Wang X, Xu L, Wei C, Wang X, Chen H, Hao P, Yin W, Zhu J, Li Y, Wu Y, Liu S, Liang H, Chen X, Su C, Zhou S. CD1d protects against hepatocyte apoptosis in non-alcoholic steatohepatitis. J Hepatol 2024; 80:194-208. [PMID: 38438948 DOI: 10.1016/j.jhep.2023.10.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 10/02/2023] [Accepted: 10/17/2023] [Indexed: 03/06/2024]
Abstract
BACKGROUND & AIMS Hepatocyte apoptosis, a well-defined form of cell death in non-alcoholic steatohepatitis (NASH), is considered the primary cause of liver inflammation and fibrosis. However, the mechanisms underlying the regulation of hepatocyte apoptosis in NASH remain largely unclear. We explored the anti-apoptotic effect of hepatocyte CD1d in NASH. METHODS Hepatocyte CD1d expression was analyzed in patients with NASH and mouse models. Hepatocyte-specific gene overexpression or knockdown and anti-CD1d crosslinking were used to investigate the anti-apoptotic effect of hepatocyte CD1d on lipotoxicity-, Fas-, and concanavalin (ConA)-mediated liver injuries. A high-fat diet, a methionine-choline-deficient diet, a Fas agonist, and ConA were used to induce lipotoxic and/or apoptotic liver injuries. Palmitic acid was used to mimic lipotoxicity-induced apoptosis in vitro. RESULTS We identified a dramatic decrease in CD1d expression in hepatocytes of patients with NASH and mouse models. Hepatocyte-specific CD1d overexpression and knockdown experiments collectively demonstrated that hepatocyte CD1d protected against hepatocyte apoptosis and alleviated hepatic inflammation and injuries in NASH mice. Furthermore, decreased JAK2-STAT3 signaling was observed in NASH patient livers. Mechanistically, anti-CD1d crosslinking on hepatocytes induced tyrosine phosphorylation of the CD1d cytoplasmic tail, leading to the recruitment and phosphorylation of JAK2. Phosphorylated JAK2 activated STAT3 and subsequently reduced apoptosis in hepatocytes, which was associated with an increase in anti-apoptotic effectors (Bcl-xL and Mcl-1) and a decrease in pro-apoptotic effectors (cleaved-caspase 3/7). Moreover, anti-CD1d crosslinking effectively protected against Fas- or ConA-mediated hepatocyte apoptosis and liver injury in mice. CONCLUSIONS Our study uncovered a previously unrecognized anti-apoptotic CD1d-JAK2-STAT3 axis in hepatocytes that conferred hepatoprotection and highlighted the potential of hepatocyte CD1d-directed therapy for liver injury and fibrosis in NASH, as well as in other liver diseases associated with hepatocyte apoptosis. IMPACT AND IMPLICATIONS Excessive and/or sustained hepatocyte apoptosis is critical in driving liver inflammation and injury. The mechanisms underlying the regulation of hepatocyte apoptosis in non-alcoholic steatohepatitis (NASH) remain largely unclear. Here, we found that CD1d expression in hepatocytes substantially decreases and negatively correlates with the severity of liver injury in patients with NASH. We further revealed a previously unrecognized anti-apoptotic CD1d-JAK2-STAT3 signaling axis in hepatocytes, which confers significant protection against liver injury in NASH and acute liver diseases. Thus, hepatocyte CD1d-targeted therapy could be a promising strategy to manipulate liver injury in both NASH and other hepatocyte apoptosis-related liver diseases.
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Affiliation(s)
- Zhigang Lei
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jiaojiao Yu
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yu Wu
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Junyao Shen
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Shibo Lin
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Weijie Xue
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Chenxu Mao
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Rui Tang
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Haoran Sun
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xin Qi
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xiaohong Wang
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Lei Xu
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Chuan Wei
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xiaowei Wang
- Department of Blood Transfusion, Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Hongbing Chen
- Department of Clinical Laboratory, Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Ping Hao
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Wen Yin
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Jifeng Zhu
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yalin Li
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yi Wu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Shouguo Liu
- Center for Rehabilitation Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Hui Liang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xiaojun Chen
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Chuan Su
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Sha Zhou
- Jiangsu Key Laboratory of Pathogen Biology, Department of Pathogen Biology and Immunology, State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China.
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13
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Liang Q, Huan S, Lin Y, Su Z, Yao X, Li C, Ji Z, Zhang X. Screening of heat stress-related biomarkers in chicken serum through label-free quantitative proteomics. Poult Sci 2024; 103:103340. [PMID: 38118221 PMCID: PMC10770749 DOI: 10.1016/j.psj.2023.103340] [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: 09/27/2023] [Revised: 11/26/2023] [Accepted: 11/28/2023] [Indexed: 12/22/2023] Open
Abstract
Heat stress (HS) can result in sudden death and is one of the most stressful and costly events in chicken. Currently, biomarkers used clinically to detect heat stress state in chickens are not optimal, especially for living ones. Analysis of changes in serum proteins of heat-stressed chickens can help to identify some novel convenient biomarkers for this. Twenty-four chickens were exposed to HS at 42°C ± 1°C with a relative humidity of 65% for continuous 5 h in a single day, and 10 birds were used as controls (Con). During HS, 15 dead chickens were categorized as heat stress death group (HSD), and 9 surviving ones served as heat stress survivor group (HSS). Label-free quantitative proteomics (LFQP) was used to analyze differentially expressed proteins (DEPs) in serum of tested animals. Candidate proteins associated with HS were validated by enzyme-linked immunosorbent assay (ELISA). Diagnostic value of candidate biomarkers was assessed using receiver operating characteristic (ROC) curve analysis. Source of the selected proteins was analyzed in liver tissues with immunohistochemistry and in cell culture supernatant of primary chicken hepatocytes (PCH) using ELISA. In this study, compared to Con, LFQP identified 123 and 53 significantly different serum proteins in HSD and HSS, respectively. Bioinformatics analysis showed that XDH, POSTN, and HSP90 were potential HS biomarkers in tested chickens, which was similar with results from serum ELISAs and immunohistochemistry in liver tissues. The ROC values of 0.793, 0.752, and 0.779 for XDH, POSTN, and HSP90, respectively, permitted the distinction of heat-stressed chickens from the control. Levels of 3 proteins above in the cell culture supernatant of PCH showed an increasing trend as HS time increased. Therefore, considering that mean concentration of POSTN in serum was higher than that of HSP90, XDH, and POSTN may be optimal biomarkers in serum for detecting HS level in chickens, and mainly secreted from hepatocytes. The former indicates that heat-stressed chickens are in a damaged state, and the latter implies that chickens can repair heat stress damage.
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Affiliation(s)
- Qijun Liang
- Key Laboratory of Tropical Animal Breeding and Epidemic Disease Research of Hainan Province, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570100, China
| | - Shuqian Huan
- Key Laboratory of Tropical Animal Breeding and Epidemic Disease Research of Hainan Province, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570100, China
| | - Yiduo Lin
- Key Laboratory of Tropical Animal Breeding and Epidemic Disease Research of Hainan Province, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570100, China
| | - Zhiqing Su
- Key Laboratory of Tropical Animal Breeding and Epidemic Disease Research of Hainan Province, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570100, China
| | - Xu Yao
- Key Laboratory of Tropical Animal Breeding and Epidemic Disease Research of Hainan Province, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570100, China
| | - Chengyun Li
- Key Laboratory of Tropical Animal Breeding and Epidemic Disease Research of Hainan Province, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570100, China
| | - Zeping Ji
- Key Laboratory of Tropical Animal Breeding and Epidemic Disease Research of Hainan Province, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570100, China
| | - Xiaohui Zhang
- Key Laboratory of Tropical Animal Breeding and Epidemic Disease Research of Hainan Province, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570100, China.
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14
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Zailaie SA, Khoja BB, Siddiqui JJ, Mawardi MH, Heaphy E, Aljagthmi A, Sergi CM. Investigating the Role of Non-Coding RNA in Non-Alcoholic Fatty Liver Disease. Noncoding RNA 2024; 10:10. [PMID: 38392965 PMCID: PMC10891858 DOI: 10.3390/ncrna10010010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/22/2024] [Accepted: 01/27/2024] [Indexed: 02/25/2024] Open
Abstract
Non-coding RNAs (ncRNAs) are RNA molecules that do not code for protein but play key roles in regulating cellular processes. NcRNAs globally affect gene expression in diverse physiological and pathological contexts. Functionally important ncRNAs act in chromatin modifications, in mRNA stabilization and translation, and in regulation of various signaling pathways. Non-alcoholic fatty liver disease (NAFLD) is a set of conditions caused by the accumulation of triacylglycerol in the liver. Studies of ncRNA in NAFLD are limited but have demonstrated that ncRNAs play a critical role in the pathogenesis of NAFLD. In this review, we summarize NAFLD's pathogenesis and clinical features, discuss current treatment options, and review the involvement of ncRNAs as regulatory molecules in NAFLD and its progression to non-alcoholic steatohepatitis (NASH). In addition, we highlight signaling pathways dysregulated in NAFLD and review their crosstalk with ncRNAs. Having a thorough understanding of the disease process's molecular mechanisms will facilitate development of highly effective diagnostic and therapeutic treatments. Such insights can also inform preventive strategies to minimize the disease's future development.
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Affiliation(s)
- Samar A. Zailaie
- Research Center, King Faisal Specialist Hospital & Research Center-Jeddah (KFSHRC-J), Jeddah 21499, Saudi Arabia; (S.A.Z.); (B.B.K.); (E.H.); (A.A.)
| | - Basmah B. Khoja
- Research Center, King Faisal Specialist Hospital & Research Center-Jeddah (KFSHRC-J), Jeddah 21499, Saudi Arabia; (S.A.Z.); (B.B.K.); (E.H.); (A.A.)
| | - Jumana J. Siddiqui
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
| | - Mohammad H. Mawardi
- Medicine Department, Gastroenterology Section, King Faisal Specialist Hospital & Research Center-Jeddah (KFSHRC-J), Jeddah 21499, Saudi Arabia;
| | - Emily Heaphy
- Research Center, King Faisal Specialist Hospital & Research Center-Jeddah (KFSHRC-J), Jeddah 21499, Saudi Arabia; (S.A.Z.); (B.B.K.); (E.H.); (A.A.)
| | - Amjad Aljagthmi
- Research Center, King Faisal Specialist Hospital & Research Center-Jeddah (KFSHRC-J), Jeddah 21499, Saudi Arabia; (S.A.Z.); (B.B.K.); (E.H.); (A.A.)
| | - Consolato M. Sergi
- Children’s Hospital of Eastern Ontario (CHEO), University of Ottawa, Ottawa, ON K1H 8L1, Canada
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB T6G 2R3, Canada
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15
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Sorour A, Aly RG, Ragab HM, Wahid A. Structure Modification Converts the Hepatotoxic Tacrine into Novel Hepatoprotective Analogs. ACS OMEGA 2024; 9:2491-2503. [PMID: 38250371 PMCID: PMC10795119 DOI: 10.1021/acsomega.3c07126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 12/02/2023] [Accepted: 12/11/2023] [Indexed: 01/23/2024]
Abstract
The liver is responsible for critical functions such as metabolism, secretion, storage, detoxification, and the excretion of various compounds. However, there is currently no approved drug treatment for liver fibrosis. Hence, this study aimed to explore the potential hepatoprotective effects of chlorinated and nonchlorinated 4-phenyl-tetrahydroquinoline derivatives. Originally developed as tacrine analogs with reduced hepatotoxicity, these compounds not only lacked hepatotoxicity but also displayed a remarkable hepatoprotective effect. Treatment with these derivatives notably prevented the chemically induced elevation of hepatic indicators associated with liver injury. Additionally, the compounds restored the activities of defense antioxidant enzymes as well as levels of inflammatory markers (TNF-α and IL-6), apoptotic proteins (Bax and Bcl2), and fibrogenic mediators (α-SMA and TGF-β) to normal levels. Histopathologic analysis confirmed the hepatoprotective activity of tetrahydroquinolines. Furthermore, computer-assisted simulation docking results were highly consistent with those of the observed in vivo activities. In conclusion, the designed tacrine analogs exhibited a hepatoprotective role in acute liver damage, possibly through their antioxidative, anti-inflammatory, and antifibrotic effects.
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Affiliation(s)
- Amani
A. Sorour
- Department
of Pharmaceutical Biochemistry, Faculty of Pharmacy, Alexandria University, Alexandria 21521, Egypt
| | - Rania G. Aly
- Department
of Pathology, Faculty of Medicine, Alexandria
University, Alexandria 21521, Egypt
| | - Hanan M. Ragab
- Department
of Pharmaceutical Chemistry, Faculty of Pharmacy, Alexandria University, Alexandria 21521, Egypt
| | - Ahmed Wahid
- Department
of Pharmaceutical Biochemistry, Faculty of Pharmacy, Alexandria University, Alexandria 21521, Egypt
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16
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Martins RX, Carvalho M, Maia ME, Flor B, Souza T, Rocha TL, Félix LM, Farias D. 2,4-D Herbicide-Induced Hepatotoxicity: Unveiling Disrupted Liver Functions and Associated Biomarkers. TOXICS 2024; 12:35. [PMID: 38250991 PMCID: PMC10818579 DOI: 10.3390/toxics12010035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 12/22/2023] [Accepted: 12/29/2023] [Indexed: 01/23/2024]
Abstract
2,4-dichlorophenoxyacetic acid (2,4-D) is a widely used herbicide worldwide and is frequently found in water samples. This knowledge has prompted studies on its effects on non-target organisms, revealing significant alterations to liver structure and function. In this review, we evaluated the literature on the hepatotoxicity of 2,4-D, focusing on morphological damages, toxicity biomarkers and affected liver functions. Searches were conducted on PubMed, Web of Science and Scopus and 83 articles were selected after curation. Among these studies, 72% used in vivo models and 30% used in vitro models. Additionally, 48% used the active ingredient, and 35% used commercial formulations in exposure experiments. The most affected biomarkers were related to a decrease in antioxidant capacity through alterations in the activities of catalase, superoxide dismutase and the levels of malondialdehyde. Changes in energy metabolism, lipids, liver function, and xenobiotic metabolism were also identified. Furthermore, studies about the effects of 2,4-D in mixtures with other pesticides were found, as well as hepatoprotection trials. The reviewed data indicate the essential role of reduction in antioxidant capacity and oxidative stress in 2,4-D-induced hepatotoxicity. However, the mechanism of action of the herbicide is still not fully understood and further research in this area is necessary.
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Affiliation(s)
- Rafael Xavier Martins
- Post-Graduation Program in Biochemistry, Department of Biochemistry and Molecular Biology, Building 907, Campus Pici, Federal University of Ceará, Fortaleza 60455-970, Brazil; (R.X.M.); (M.E.M.)
- Laboratory for Risk Assessment of Novel Technologies, Department of Molecular Biology, Federal University of Paraiba, João Pessoa 58050-085, Brazil; (M.C.); (B.F.); (T.S.)
| | - Matheus Carvalho
- Laboratory for Risk Assessment of Novel Technologies, Department of Molecular Biology, Federal University of Paraiba, João Pessoa 58050-085, Brazil; (M.C.); (B.F.); (T.S.)
| | - Maria Eduarda Maia
- Post-Graduation Program in Biochemistry, Department of Biochemistry and Molecular Biology, Building 907, Campus Pici, Federal University of Ceará, Fortaleza 60455-970, Brazil; (R.X.M.); (M.E.M.)
- Laboratory for Risk Assessment of Novel Technologies, Department of Molecular Biology, Federal University of Paraiba, João Pessoa 58050-085, Brazil; (M.C.); (B.F.); (T.S.)
| | - Bruno Flor
- Laboratory for Risk Assessment of Novel Technologies, Department of Molecular Biology, Federal University of Paraiba, João Pessoa 58050-085, Brazil; (M.C.); (B.F.); (T.S.)
| | - Terezinha Souza
- Laboratory for Risk Assessment of Novel Technologies, Department of Molecular Biology, Federal University of Paraiba, João Pessoa 58050-085, Brazil; (M.C.); (B.F.); (T.S.)
| | - Thiago Lopes Rocha
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia 74055-110, Brazil;
| | - Luís M. Félix
- Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal;
- Inov4Agro, Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production, University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
| | - Davi Farias
- Post-Graduation Program in Biochemistry, Department of Biochemistry and Molecular Biology, Building 907, Campus Pici, Federal University of Ceará, Fortaleza 60455-970, Brazil; (R.X.M.); (M.E.M.)
- Laboratory for Risk Assessment of Novel Technologies, Department of Molecular Biology, Federal University of Paraiba, João Pessoa 58050-085, Brazil; (M.C.); (B.F.); (T.S.)
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17
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Ibañez AE, Mills WF, Bustamante P, Morales LM, Torres DS, D' Astek B, Mariano-Jelicich R, Phillips RA, Montalti D. Deleterious effects of mercury contamination on immunocompetence, liver function and egg volume in an antarctic seabird. CHEMOSPHERE 2024; 346:140630. [PMID: 37939926 DOI: 10.1016/j.chemosphere.2023.140630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 10/16/2023] [Accepted: 11/04/2023] [Indexed: 11/10/2023]
Abstract
Mercury (Hg) is a globally important pollutant that can negatively impact metabolic, endocrine and immune systems of marine biota. Seabirds are long-lived marine top predators and hence are at risk of bioaccumulating high Hg concentrations from their prey. Here, we measured blood total mercury (THg) concentrations and relationships with physiology and breeding parameters of breeding brown skuas (Stercorarius antarcticus) (n = 49 individuals) at Esperanza/Hope Bay, Antarctic Peninsula. Mean blood THg concentrations were similar in males and females despite the differences in body size and breeding roles, but differed between study years. Immune markers (hematocrit, Immunoglobulin Y [IgY] and albumin) were negatively correlated with blood THg concentrations, which likely indicates a disruptive effect of Hg on immunity. Alanine aminotransferase (GPT) activity, reflecting liver dysfunction, was positively associated with blood THg. Additionally, triacylglycerol and albumin differed between our study years, but did not correlate with Hg levels, and so were more likely to reflect changes in diet and nutritional status rather than Hg contamination. Egg volume correlated negatively with blood THg concentrations. Our study provides new insights into the sublethal effects of Hg contamination on immunity, liver function and breeding parameters in seabirds. In this Antarctic species, exposure to sublethal Hg concentrations reflects the short-term risks which could make individuals more susceptible to environmental stressors, including ongoing climatic changes.
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Affiliation(s)
- Andrés E Ibañez
- Sección Ornitología, Div. Zool. Vert. Museo de la Plata (FCNyM-UNLP-CONICET), La Plata, Buenos Aires, Argentina.
| | - William F Mills
- Department of Geography and Environmental Science, University of Reading, Reading, UK
| | - Paco Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-La Rochelle Université, 2 rue Olympe de Gouges, 17000, La Rochelle, France
| | - Lara M Morales
- Sección Ornitología, Div. Zool. Vert. Museo de la Plata (FCNyM-UNLP-CONICET), La Plata, Buenos Aires, Argentina
| | - Diego S Torres
- Sección Ornitología, Div. Zool. Vert. Museo de la Plata (FCNyM-UNLP-CONICET), La Plata, Buenos Aires, Argentina
| | - Beatriz D' Astek
- Sección Ornitología, Div. Zool. Vert. Museo de la Plata (FCNyM-UNLP-CONICET), La Plata, Buenos Aires, Argentina
| | - Rocío Mariano-Jelicich
- Instituto de Investigaciones Marinas y Costeras (IIMyC), UNMdP-CONICET, Universidad Nacional de Mar del Plata, Mar del Plata, Argentina
| | - Richard A Phillips
- British Antarctic Survey, Natural Environment Research Council, Cambridge, CB3 0ET, UK
| | - Diego Montalti
- Sección Ornitología, Div. Zool. Vert. Museo de la Plata (FCNyM-UNLP-CONICET), La Plata, Buenos Aires, Argentina; Instituto Antártico Argentino, San Martin, Buenos Aires, Argentina
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18
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Pathak MP, Patowary P, Chattopadhyay P, Barbhuiyan PA, Islam J, Gogoi J, Wankhar W. Obesity-associated Airway Hyperresponsiveness: Mechanisms Underlying Inflammatory Markers and Possible Pharmacological Interventions. Endocr Metab Immune Disord Drug Targets 2024; 24:1053-1068. [PMID: 37957906 DOI: 10.2174/0118715303256440231028072049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 08/14/2023] [Accepted: 09/15/2023] [Indexed: 11/15/2023]
Abstract
Obesity is rapidly becoming a global health problem affecting about 13% of the world's population affecting women and children the most. Recent studies have stated that obese asthmatic subjects suffer from an increased risk of asthma, encounter severe symptoms, respond poorly to anti-asthmatic drugs, and ultimately their quality-of-life decreases. Although, the association between airway hyperresponsiveness (AHR) and obesity is a growing concern among the public due to lifestyle and environmental etiologies, however, the precise mechanism underlying this association is yet to establish. Apart from aiming at the conventional antiasthmatic targets, treatment should be directed towards ameliorating obesity pathogenesis too. Understanding the pathogenesis underlying the association between obesity and AHR is limited, however, a plethora of obesity pathologies have been reported viz., increased pro-inflammatory and decreased anti-inflammatory adipokines, depletion of ROS controller Nrf2/HO-1 axis, NLRP3 associated macrophage polarization, hypertrophy of WAT, and down-regulation of UCP1 in BAT following down-regulated AMPKα and melanocortin pathway that may be correlated with AHR. Increased waist circumference (WC) or central obesity was thought to be related to severe AHR, however, some recent reports suggest body mass index (BMI), not WC tends to exaggerate airway closure in AHR due to some unknown mechanisms. This review aims to co-relate the above-mentioned mechanisms that may explain the copious relation underlying obesity and AHR with the help of published reports. A proper understanding of these mechanisms discussed in this review will ensure an appropriate treatment plan for patients through advanced pharmacological interventions.
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Affiliation(s)
| | - Pompy Patowary
- Division of Pharmaceutical Technology, Defence Research Laboratory, Tezpur, India
| | | | | | - Johirul Islam
- Department of Pharmaceutical Sciences, School of Health Sciences, Assam Kaziranga University, Jorhat, India
| | - Jyotchna Gogoi
- Department of Biochemistry, Faculty of Science, Assam Down Town University, Guwahati, India
| | - Wankupar Wankhar
- Department of Dialysis, Faculty of Paramedical Science, Assam Down Town University, Guwahati, India
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19
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Shi H, Moore MP, Wang X, Tabas I. Efferocytosis in liver disease. JHEP Rep 2024; 6:100960. [PMID: 38234410 PMCID: PMC10792655 DOI: 10.1016/j.jhepr.2023.100960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/11/2023] [Accepted: 10/17/2023] [Indexed: 01/19/2024] Open
Abstract
The process of dead cell clearance by phagocytic cells, called efferocytosis, prevents inflammatory cell necrosis and promotes resolution and repair. Defective efferocytosis contributes to the progression of numerous diseases in which cell death is prominent, including liver disease. Many gaps remain in our understanding of how hepatic macrophages carry out efferocytosis and how this process goes awry in various types of liver diseases. Thus far, studies have suggested that, upon liver injury, liver-resident Kupffer cells and infiltrating monocyte-derived macrophages clear dead cells, limit inflammation, and, through macrophage reprogramming, repair liver damage. However, in unusual settings, efferocytosis can promote liver disease. In this review, we will focus on efferocytosis in various types of acute and chronic liver diseases, including metabolic dysfunction-associated steatohepatitis. Understanding the mechanisms and consequences of efferocytosis by hepatic macrophages has the potential to shed new light on liver disease pathophysiology and to guide new treatment strategies to prevent disease progression.
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Affiliation(s)
- Hongxue Shi
- Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Mary P. Moore
- Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Xiaobo Wang
- Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Ira Tabas
- Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY 10032, USA
- Department of Physiology and Cellular Biophysics, Columbia University Irving Medical Center, New York, NY 10032, USA
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20
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Zou B, Zhang S, Zhao J, Song G, Weng F, Xu X, Li F, Jin J, Yan D, Huang K, Liu C, Li Y, Qiu F. Glycyrrhetinic acid attenuates endoplasmic reticulum stress-induced hepatocyte apoptosis via CHOP/DR5/Caspase 8 pathway in cholestasis. Eur J Pharmacol 2023; 961:176193. [PMID: 37981257 DOI: 10.1016/j.ejphar.2023.176193] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/19/2023] [Accepted: 11/07/2023] [Indexed: 11/21/2023]
Abstract
Bile acid (BA)-induced apoptosis is a common pathologic feature of cholestatic liver injury. Glycyrrhetinic acid (GA) is the hepatoprotective constituent of licorice. In the present study, the anti-apoptotic potential of GA was investigated in wild type and macrophage-depleted C57BL/6 mice challenged with alpha-naphthyl isothiocyanate (ANIT), and hepatocytes stimulated with Taurocholic acid (TCA) or Tumor necrosis factor-alpha (TNF-α). Apoptosis was determined by TUNEL positive cells and expression of executioner caspases. Firstly, we found that GA markedly alleviated liver injury, accompanied with reduced positive TUNEL-staining cells, and expression of caspases 3, 8 and 9 in mice modeled with ANIT. Secondly, GA mitigated apoptosis in macrophage-depleted mice with exacerbated liver injury and augmented cell apoptosis. In vitro study, pre-treatment with GA reduced the expression of activated caspases 3 and 8 in hepatocytes stimulated with TCA, but not TNF-α. The ability of GA to ameliorate apoptosis was abolished in the presence of Tauroursodeoxycholic Acid (TUDCA), a chemical chaperon against Endoplasmic reticulum stress (ER stress). Furthermore, GA attenuated the over-expression of Glucose regulated protein 78 (GRP78), and blocked all three branches of Unfolded protein reaction (UPR) in cholestatic livers of mice induced by ANIT. GA also downregulated C/EBP homologous protein (CHOP) expression, accompanied with reduced expression of Death receptor 5 (DR5) and activation of caspase 8 in both ANIT-modeled mice and TCA-stimulated hepatocytes. The results indicate that GA inhibits ER stress-induced hepatocyte apoptosis in cholestasis, which correlates with blocking CHOP/DR5/Caspase 8 pathway.
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Affiliation(s)
- Bin Zou
- Laboratory of Clinical Pharmacokinetics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201213, China
| | - Shuang Zhang
- Laboratory of Clinical Pharmacokinetics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201213, China
| | - Jing Zhao
- Laboratory of Clinical Pharmacokinetics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201213, China
| | - Guochao Song
- Laboratory of Clinical Pharmacokinetics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201213, China
| | - Fengyi Weng
- Laboratory of Clinical Pharmacokinetics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201213, China
| | - Xiaoqing Xu
- Laboratory of Clinical Pharmacokinetics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201213, China
| | - Fengling Li
- Laboratory of Clinical Pharmacokinetics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201213, China
| | - Jingyi Jin
- Laboratory of Clinical Pharmacokinetics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201213, China
| | - Dongming Yan
- Laboratory of Clinical Pharmacokinetics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201213, China
| | - Kai Huang
- Shanghai Key Laboratory of Traditional Chinese Clinical Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201213, China
| | - Chenghai Liu
- Shanghai Key Laboratory of Traditional Chinese Clinical Medicine, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201213, China.
| | - Yue Li
- Laboratory of Clinical Pharmacokinetics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201213, China.
| | - Furong Qiu
- Laboratory of Clinical Pharmacokinetics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201213, China.
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21
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Chen H, Ellis BW, Dinicu AT, Mojoudi M, Wilks BT, Tessier SN, Toner M, Uygun K, Uygun BE. Polyethylene Glycol and Caspase Inhibitor Emricasan Alleviates Cold Injury in Primary Rat Hepatocytes. RESEARCH SQUARE 2023:rs.3.rs-3669876. [PMID: 38076969 PMCID: PMC10705698 DOI: 10.21203/rs.3.rs-3669876/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Current methods of storing explanted donor livers at 4°C in University of Wisconsin (UW) solution result in loss of graft function and ultimately leads to less-than-ideal outcomes post transplantation. Our lab has previously shown that supplementing UW solution with 35-kilodalton polyethylene glycol (PEG) has membrane stabilizing effects for cold stored primary rat hepatocytes in suspension. Expanding on past studies, we here investigate if PEG has the same beneficial effects in an adherent primary rat hepatocyte cold storage model. In addition, we investigated the extent of cold-induced apoptosis through treating cold-stored hepatocytes with pan caspase inhibitor emricasan. In parallel to storage at the current cold storage standard of 4°C, we investigated the effects of lowering the storage temperature to -4°C, at which the storage solution remains ice-free due to the supercooling phenomenon. We show the addition of 5% PEG to the storage medium significantly reduced the release of lactate dehydrogenase (LDH) in plated rat hepatocytes and a combinatorial treatment with emricasan maintains hepatocyte viability and morphology following recovery from cold storage. These results show that cold-stored hepatocytes undergo multiple mechanisms of cold-induced injury and that PEG and emricasan treatment in combination with supercooling may improve cell and organ preservation.
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Affiliation(s)
- Huyun Chen
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
| | - Bradley W Ellis
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
| | - Antonia T Dinicu
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
| | - Mohammadreza Mojoudi
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
| | - Benjamin T Wilks
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
| | - Shannon N Tessier
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
| | - Mehmet Toner
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
| | - Korkut Uygun
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
| | - Basak E Uygun
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
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22
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Zhang Y, Fang XM. The pan-liver network theory: From traditional chinese medicine to western medicine. CHINESE J PHYSIOL 2023; 66:401-436. [PMID: 38149555 DOI: 10.4103/cjop.cjop-d-22-00131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2023] Open
Abstract
In traditional Chinese medicine (TCM), the liver is the "general organ" that is responsible for governing/maintaining the free flow of qi over the entire body and storing blood. According to the classic five elements theory, zang-xiang theory, yin-yang theory, meridians and collaterals theory, and the five-viscera correlation theory, the liver has essential relationships with many extrahepatic organs or tissues, such as the mother-child relationships between the liver and the heart, and the yin-yang and exterior-interior relationships between the liver and the gallbladder. The influences of the liver to the extrahepatic organs or tissues have been well-established when treating the extrahepatic diseases from the perspective of modulating the liver by using the ancient classic prescriptions of TCM and the acupuncture and moxibustion. In modern medicine, as the largest solid organ in the human body, the liver has the typical functions of filtration and storage of blood; metabolism of carbohydrates, fats, proteins, hormones, and foreign chemicals; formation of bile; storage of vitamins and iron; and formation of coagulation factors. The liver also has essential endocrine function, and acts as an immunological organ due to containing the resident immune cells. In the perspective of modern human anatomy, physiology, and pathophysiology, the liver has the organ interactions with the extrahepatic organs or tissues, for example, the gut, pancreas, adipose, skeletal muscle, heart, lung, kidney, brain, spleen, eyes, skin, bone, and sexual organs, through the circulation (including hemodynamics, redox signals, hepatokines, metabolites, and the translocation of microbiota or its products, such as endotoxins), the neural signals, or other forms of pathogenic factors, under normal or diseases status. The organ interactions centered on the liver not only influence the homeostasis of these indicated organs or tissues, but also contribute to the pathogenesis of cardiometabolic diseases (including obesity, type 2 diabetes mellitus, metabolic [dysfunction]-associated fatty liver diseases, and cardio-cerebrovascular diseases), pulmonary diseases, hyperuricemia and gout, chronic kidney disease, and male and female sexual dysfunction. Therefore, based on TCM and modern medicine, the liver has the bidirectional interaction with the extrahepatic organ or tissue, and this established bidirectional interaction system may further interact with another one or more extrahepatic organs/tissues, thus depicting a complex "pan-hepatic network" model. The pan-hepatic network acts as one of the essential mechanisms of homeostasis and the pathogenesis of diseases.
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Affiliation(s)
- Yaxing Zhang
- Department of Physiology; Research Centre of Basic Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong; Issue 12th of Guangxi Apprenticeship Education of Traditional Chinese Medicine (Shi-Cheng Class of Guangxi University of Chinese Medicine), College of Continuing Education, Guangxi University of Chinese Medicine, Nanning, Guangxi, China
| | - Xian-Ming Fang
- Department of Cardiology, Ruikang Hospital Affiliated to Guangxi University of Chinese Medicine (Guangxi Hospital of Integrated Chinese Medicine and Western Medicine, Ruikang Clinical Faculty of Guangxi University of Chinese Medicine), Guangxi University of Chinese Medicine, Nanning, Guangxi, China
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23
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Shi P, Zhu W, Fu J, Liang A, Zheng T, Wen Z, Wu X, Peng Y, Yuan S, Wu X. Avicularin alleviates acute liver failure by regulation of the TLR4/MyD88/NF-κB and Nrf2/HO-1/GPX4 pathways to reduce inflammation and ferroptosis. J Cell Mol Med 2023; 27:3326-3338. [PMID: 37644784 PMCID: PMC10623517 DOI: 10.1111/jcmm.17905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 05/04/2023] [Accepted: 08/02/2023] [Indexed: 08/31/2023] Open
Abstract
Acute liver failure (ALF) is an inflammation-mediated hepatocyte death process associated with ferroptosis. Avicularin (AL), a Chinese herbal medicine, exerts anti-inflammatory and antioxidative effects. However, the protective effect of AL and the mechanism on ALF have not been reported. Our in vivo results suggest that AL significantly alleviated lipopolysaccharide (LPS)/D-galactosamine (D-GalN)-induced hepatic pathological injury, liver enzymes, inflammatory cytokines, reactive oxygen species and iron levels and increased the antioxidant enzyme activities (malondialdehyde and glutathione). Our further in vitro experiments demonstrated that AL suppressed inflammatory response in LPS-stimulated RAW 264.7 cells via blocking the toll-like receptor 4 (TLR4)/myeloid differentiation protein-88 (MyD88)/nuclear factor kappa B (NF-κB) pathway. Moreover, AL attenuated ferroptosis in D-GalN-induced HepG2 cells by activating the nuclear factor erythroid 2-related factor 2 (Nrf2)/heme oxygenase 1 (HO-1)/glutathione peroxidase 4 (GPX4) pathway. Therefore, AL can alleviate inflammatory response and ferroptosis in LPS/D-GalN-induced ALF, and its protective effects are associated with blocking TLR4/MyD88/NF-κB pathway and activating Nrf2/HO-1/GPX4 pathway. Moreover, AL is a promising therapeutic option for ALF and should be clinically explored.
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Affiliation(s)
- Pei Shi
- Department of Infectious DiseasesThe First Affiliated Hospital of Nanchang UniversityNanchangChina
- Medical Innovation CenterThe First Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Wentao Zhu
- Department of Infectious DiseasesThe First Affiliated Hospital of Nanchang UniversityNanchangChina
- Medical Innovation CenterThe First Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Jiwei Fu
- Department of Infectious DiseasesThe First Affiliated Hospital of Nanchang UniversityNanchangChina
- Medical Innovation CenterThe First Affiliated Hospital of Nanchang UniversityNanchangChina
| | - An Liang
- Department of Infectious DiseasesThe First Affiliated Hospital of Nanchang UniversityNanchangChina
- Medical Innovation CenterThe First Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Ting Zheng
- Department of Infectious DiseasesThe First Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Zhilong Wen
- Department of Infectious DiseasesThe First Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Xincheng Wu
- Department of Infectious DiseasesThe First Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Yuchen Peng
- Department of Infectious DiseasesThe First Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Songsong Yuan
- Department of Infectious DiseasesThe First Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Xiaoping Wu
- Department of Infectious DiseasesThe First Affiliated Hospital of Nanchang UniversityNanchangChina
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24
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Geervliet E, Terstappen LWMM, Bansal R. Hepatocyte survival and proliferation by fibroblast growth factor 7 attenuates liver inflammation, and fibrogenesis during acute liver injury via paracrine mechanisms. Biomed Pharmacother 2023; 167:115612. [PMID: 37797460 DOI: 10.1016/j.biopha.2023.115612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 09/18/2023] [Accepted: 09/27/2023] [Indexed: 10/07/2023] Open
Abstract
Hepatocyte damage during liver injury instigates activation of macrophages and hepatic stellate cells (HSCs) resulting in liver inflammation and fibrosis respectively. Improving hepatocyte survival and proliferation thereby ameliorating inflammation and fibrosis represents a promising approach for the treatment of liver injury. In the liver, fibroblast growth factors (FGFs) play a crucial role in promoting hepatocyte proliferation and tissue regeneration. Among 22 FGFs, FGF7 induces hepatocyte survival and liver regeneration as shown previously in mouse models of cholestatic liver injury and partial hepatectomy. We hypothesized that FGF7 promotes hepatocyte survival and proliferation by interacting with FGFR2b, expressed on hepatocytes, and ameliorates liver injury (inflammation and early fibrogenesis) via paracrine mechanisms. To prove this hypothesis and to study the effect of FGF7 on hepatocytes and liver injury, we administered FGF7 exogenously to mice with acute carbon tetrachloride (CCl4)-induced liver injury. We thereafter studied the underlying mechanisms and the effect of exogenous FGF7 on hepatocyte survival and proliferation, and the consequent paracrine effects on macrophage-induced inflammation, and HSCs activation in vitro and in vivo. We observed that the expression of FGF7 as well as FGFR2 is upregulated during acute liver injury. Co-immunostaining of FGF7 and collagen-I confirmed that FGF7 is expressed by HSCs and is possibly captured by the secreted ECM. Immunohistochemical analysis of liver sections showed increased hepatocyte proliferation upon exogenous FGF7 treatment as determined by Ki67 expression. Mechanistically, exogenous FGF7 improved hepatocyte survival (and increased drug detoxification) via AKT and ERK pathways while maintaining hepatocyte quiescence restricting hepatocarcinogenesis via P27 pathways. Flow cytometry analysis revealed that improved hepatocyte survival and proliferation leads to a decrease in infiltrated monocytes-derived macrophages, as a result of reduced CCL2 (and CXCL8) expression by hepatocytes. Moreover, conditioned medium studies showed reduced collagen-I secretion by HSCs (indicative of HSCs activation) upon treatment with FGF7-treated hepatocytes conditioned medium. Altogether, we show that exogenous administration of FGF7 induces hepatocyte survival and proliferation and leads to amelioration of inflammatory response and fibrosis in acute liver injury via paracrine mechanisms. Our study further demonstrates that FGF7, FGF7 derivatives, or nano-engineered FGF7 may benefit patients with hepatic dysfunction.
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Affiliation(s)
- Eline Geervliet
- Translational Liver Research, Department of Medical Cell BioPhysics, Technical Medical Centre, Faculty of Science and Technology, University of Twente, the Netherlands; Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry, RWTH University Hospital Aachen, Germany
| | - Leon W M M Terstappen
- Department of Medical Cell BioPhysics, Technical Medical Centre, Faculty of Science and Technology, University of Twente, the Netherlands
| | - Ruchi Bansal
- Translational Liver Research, Department of Medical Cell BioPhysics, Technical Medical Centre, Faculty of Science and Technology, University of Twente, the Netherlands.
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25
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Rivero-Pino F, Casanova AG. Hepatotoxicity due to dietary supplements: state-of-the-art, gaps and perspectives. Crit Rev Toxicol 2023; 53:601-610. [PMID: 38062980 DOI: 10.1080/10408444.2023.2282415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 10/23/2023] [Indexed: 12/22/2023]
Abstract
Food supplements are products intended to complement the normal diet and consist of concentrated sources of nutrients or other substances with a nutritional or physiological effect. Although they are generally considered safe if the manufacturer's recommendations are followed, many of them have shown hepatotoxic properties. This can cause many diseases (e.g. steatohepatitis and cirrhosis) characterized by progressive damage and malfunction of the liver that in the long term can lead to death. A review of the literature was carried out to elucidate which dietary supplements have been associated with cases of hepatotoxicity in recent years, with emphasis on those relevant to the consumer and the new trends (e.g. cannabidiol). It has been reported that the supplements described as hepatotoxic are mainly of botanical origin (e.g. green tea or turmeric) and those used in sports (mainly anabolic androgenic steroids). There is a great variability of compounds described as causing liver damage, although sometimes it is not possible to identify them, because they are contaminants or adulterants of the products. In addition, the prevalence of toxic effects after the administration of supplements is difficult to define due to underreporting and the lack of specific studies. Globally regarding hepatotoxicity of dietary supplements, there is a paucity of well-conducted clinical trials on the efficacy of these compounds and the frequency of related liver damage, as the use of these products is largely uncontrolled.
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Affiliation(s)
- Fernando Rivero-Pino
- Department of Medical Biochemistry, Molecular Biology, and Immunology, School of Medicine, University of Seville, Seville, Spain
| | - Alfredo G Casanova
- Toxicology Unit, Universidad de Salamanca, Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
- Group of Translational Research on Renal and Cardiovascular Diseases (TRECARD), Salamanca, Spain
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26
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Arunachalam AR, Samuel SS, Mani A, Maynard JP, Stayer KM, Dybbro E, Narayanan S, Biswas A, Pathan S, Soni K, Kamal AHM, Ambati CSR, Putluri N, Desai MS, Thevananther S. P2Y2 purinergic receptor gene deletion protects mice from bacterial endotoxin and sepsis-associated liver injury and mortality. Am J Physiol Gastrointest Liver Physiol 2023; 325:G471-G491. [PMID: 37697947 PMCID: PMC10812707 DOI: 10.1152/ajpgi.00090.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 08/28/2023] [Accepted: 09/11/2023] [Indexed: 09/13/2023]
Abstract
The liver plays a significant role in regulating a wide range of metabolic, homeostatic, and host-defense functions. However, the impact of liver injury on the host's ability to control bacteremia and morbidity in sepsis is not well understood. Leukocyte recruitment and activation lead to cytokine and chemokine release, which, in turn, trigger hepatocellular injury and elevate nucleotide levels in the extracellular milieu. P2Y2 purinergic receptors, G protein-coupled and activated by extracellular ATP/UTP, are expressed at the cell surface of hepatocytes and nonparenchymal cells. We sought to determine whether P2Y2 purinergic receptor function is necessary for the maladaptive host response to bacterial infection and endotoxin-mediated inflammatory liver injury and mortality in mice. We report that P2Y2 purinergic receptor knockout mice (P2Y2-/-) had attenuated inflammation and liver injury, with improved survival in response to LPS/galactosamine (LPS/GalN; inflammatory liver injury) and cecal ligation and puncture (CLP; polymicrobial sepsis). P2Y2-/- livers had attenuated c-Jun NH2-terminal kinase activation, matrix metallopeptidase-9 expression, and hepatocyte apoptosis in response to LPS/GalN and attenuated inducible nitric oxide synthase and nucleotide-binding oligomerization domain, leucine-rich repeat and pyrin domain containing 3 protein expression in response to CLP. Implicating liver injury in the disruption of amino acid homeostasis, CLP led to lower serum arginine and higher bacterial load and morbidity in the WT mice, whereas serum arginine levels were comparable to sham-operated controls in P2Y2-/- mice, which had attenuated bacteremia and improved survival. Collectively, our studies highlight the pathophysiological relevance of P2Y2 purinergic receptor function in inflammatory liver injury and dysregulation of systemic amino acid homeostasis with implications for sepsis-associated immune dysfunction and morbidity in mice.NEW & NOTEWORTHY Our studies provide experimental evidence for P2Y2 purinergic receptor-mediated potentiation of inflammatory liver injury, morbidity, and mortality, in two well-established animal models of inflammatory liver injury. Our findings highlight the potential to target P2Y2 purinergic signaling to attenuate the induction of "cytokine storm" and prevent its deleterious consequences on liver function, systemic amino acid homeostasis, host response to bacterial infection, and sepsis-associated morbidity and mortality.
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Affiliation(s)
- Athis R Arunachalam
- Neonatology, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States
| | - Sanju S Samuel
- Critical Care Medicine, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States
| | - Arunmani Mani
- Section of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States
| | - Janielle P Maynard
- Section of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States
| | - Kelsey M Stayer
- Critical Care Medicine, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States
| | - Eric Dybbro
- Section of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States
| | - Subapradha Narayanan
- Section of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States
| | - Aalekhya Biswas
- Section of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States
| | - Saliha Pathan
- Section of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States
| | - Krishnakant Soni
- Section of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States
| | - Abu Hena Mostafa Kamal
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, United States
| | | | - Nagireddy Putluri
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, United States
| | - Moreshwar S Desai
- Critical Care Medicine, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States
| | - Sundararajah Thevananther
- Section of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States
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Myint M, Oppedisano F, De Giorgi V, Kim BM, Marincola FM, Alter HJ, Nesci S. Inflammatory signaling in NASH driven by hepatocyte mitochondrial dysfunctions. J Transl Med 2023; 21:757. [PMID: 37884933 PMCID: PMC10605416 DOI: 10.1186/s12967-023-04627-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 10/14/2023] [Indexed: 10/28/2023] Open
Abstract
Liver steatosis, inflammation, and variable degrees of fibrosis are the pathological manifestations of nonalcoholic steatohepatitis (NASH), an aggressive presentation of the most prevalent chronic liver disease in the Western world known as nonalcoholic fatty liver (NAFL). Mitochondrial hepatocyte dysfunction is a primary event that triggers inflammation, affecting Kupffer and hepatic stellate cell behaviour. Here, we consider the role of impaired mitochondrial function caused by lipotoxicity during oxidative stress in hepatocytes. Dysfunction in oxidative phosphorylation and mitochondrial ROS production cause the release of damage-associated molecular patterns from dying hepatocytes, leading to activation of innate immunity and trans-differentiation of hepatic stellate cells, thereby driving fibrosis in NASH.
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Affiliation(s)
| | - Francesca Oppedisano
- Department of Health Sciences, Institute of Research for Food Safety and Health, University "Magna Græcia" of Catanzaro, Catanzaro, Italy
| | - Valeria De Giorgi
- Department of Transfusion Medicine, Clinical Center, National Institutes of Health, Bethesda, USA
| | | | | | - Harvey J Alter
- Department of Transfusion Medicine, Clinical Center, National Institutes of Health, Bethesda, USA
| | - Salvatore Nesci
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano Emilia, Italy.
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Lee JH, Kim KM, Jung EH, Lee HR, Yang JH, Cho SS, Ki SH. Parkin-Mediated Mitophagy by TGF-β Is Connected with Hepatic Stellate Cell Activation. Int J Mol Sci 2023; 24:14826. [PMID: 37834275 PMCID: PMC10573240 DOI: 10.3390/ijms241914826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 09/27/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023] Open
Abstract
Hepatic stellate cells (HSCs) are the main contributors to the development and progression of liver fibrosis. Parkin is an E3 ligase involved in mitophagy mediated by lysosomes that maintains mitochondrial homeostasis. Unfortunately, there is little information regarding the regulation of parkin by transforming growth factor-β (TGF-β) and its association with HSC trans-differentiation. This study showed that parkin is upregulated in fibrotic conditions and elucidated the underlying mechanism. Parkin was observed in the cirrhotic region of the patient liver tissues and visualized using immunostaining and immunoblotting of mouse fibrotic liver samples and primary HSCs. The role of parkin-mediated mitophagy in hepatic fibrogenesis was examined using TGF-β-treated LX-2 cells with mitophagy inhibitor, mitochondrial division inhibitor 1. Parkin overexpression and its colocalization with desmin in human tissues were found. Increased parkin in fibrotic liver homogenates of mice was observed. Parkin was expressed more abundantly in HSCs than in hepatocytes and was upregulated under TGF-β. TGF-β-induced parkin was due to Smad3. TGF-β facilitated mitochondrial translocation, leading to mitophagy activation, reversed by mitophagy inhibitor. However, TGF-β did not change mitochondrial function. Mitophagy inhibitor suppressed profibrotic genes and HSC migration mediated by TGF-β. Collectively, parkin-involved mitophagy by TGF-β facilitates HSC activation, suggesting mitophagy may utilize targets for liver fibrosis.
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Affiliation(s)
- Ji Hyun Lee
- College of Pharmacy, Chosun University, Gwangju 61452, Republic of Korea (E.H.J.); (H.R.L.); (S.S.C.)
| | - Kyu Min Kim
- College of Pharmacy, Chosun University, Gwangju 61452, Republic of Korea (E.H.J.); (H.R.L.); (S.S.C.)
- Department of Biomedical Science, College of Natural Science, Chosun University, Gwangju 61452, Republic of Korea
| | - Eun Hee Jung
- College of Pharmacy, Chosun University, Gwangju 61452, Republic of Korea (E.H.J.); (H.R.L.); (S.S.C.)
| | - Hye Rim Lee
- College of Pharmacy, Chosun University, Gwangju 61452, Republic of Korea (E.H.J.); (H.R.L.); (S.S.C.)
| | - Ji Hye Yang
- College of Korean Medicine, Dongshin University, Naju 58245, Republic of Korea;
| | - Sam Seok Cho
- College of Pharmacy, Chosun University, Gwangju 61452, Republic of Korea (E.H.J.); (H.R.L.); (S.S.C.)
| | - Sung Hwan Ki
- College of Pharmacy, Chosun University, Gwangju 61452, Republic of Korea (E.H.J.); (H.R.L.); (S.S.C.)
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Hrncir HR, Hantelys F, Gracz AD. Panic at the Bile Duct: How Intrahepatic Cholangiocytes Respond to Stress and Injury. THE AMERICAN JOURNAL OF PATHOLOGY 2023; 193:1440-1454. [PMID: 36870530 PMCID: PMC10548281 DOI: 10.1016/j.ajpath.2023.02.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 01/16/2023] [Accepted: 02/15/2023] [Indexed: 03/06/2023]
Abstract
In the liver, biliary epithelial cells (BECs) line intrahepatic bile ducts (IHBDs) and are primarily responsible for modifying and transporting hepatocyte-produced bile to the digestive tract. BECs comprise only 3% to 5% of the liver by cell number but are critical for maintaining choleresis through homeostasis and disease. To this end, BECs drive an extensive morphologic remodeling of the IHBD network termed ductular reaction (DR) in response to direct injury or injury to the hepatic parenchyma. BECs are also the target of a broad and heterogenous class of diseases termed cholangiopathies, which can present with phenotypes ranging from defective IHBD development in pediatric patients to progressive periductal fibrosis and cancer. DR is observed in many cholangiopathies, highlighting overlapping similarities between cell- and tissue-level responses by BECs across a spectrum of injury and disease. The following core set of cell biological BEC responses to stress and injury may moderate, initiate, or exacerbate liver pathophysiology in a context-dependent manner: cell death, proliferation, transdifferentiation, senescence, and acquisition of neuroendocrine phenotype. By reviewing how IHBDs respond to stress, this review seeks to highlight fundamental processes with potentially adaptive or maladaptive consequences. A deeper understanding of how these common responses contribute to DR and cholangiopathies may identify novel therapeutic targets in liver disease.
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Affiliation(s)
- Hannah R Hrncir
- Division of Digestive Diseases, Department of Medicine, Emory University, Atlanta, Georgia; Graduate Program in Biochemistry, Cell and Developmental Biology, Emory University, Atlanta, Georgia
| | - Fransky Hantelys
- Division of Digestive Diseases, Department of Medicine, Emory University, Atlanta, Georgia
| | - Adam D Gracz
- Division of Digestive Diseases, Department of Medicine, Emory University, Atlanta, Georgia; Graduate Program in Biochemistry, Cell and Developmental Biology, Emory University, Atlanta, Georgia.
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30
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Tao J, Xue C, Wang X, Chen H, Liu Q, Jiang C, Zhang W. GAS1 Promotes Ferroptosis of Liver Cells in Acetaminophen-Induced Acute Liver Failure. Int J Med Sci 2023; 20:1616-1630. [PMID: 37859699 PMCID: PMC10583184 DOI: 10.7150/ijms.85114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Accepted: 09/15/2023] [Indexed: 10/21/2023] Open
Abstract
Purpose: Acute liver failure (ALF) is a clinically fatal disease that leads to the rapid loss of normal liver function. Acetaminophen (APAP) is a leading cause of drug-induced ALF. Ferroptosis, defined as iron-dependent cell death associated with lipid peroxide accumulation, has been shown to be strongly associated with APAP-induced liver injury. Growth arrest-specific 1 (GAS1) is a growth arrest-specific gene, which is closely related to the inhibition of cell growth and promotion of apoptosis. However, the functional role and underlying mechanism of GAS1 in APAP-induced ferroptosis remain unknown. Methods: We established liver-specific overexpression of GAS1 (GAS1AAV8-OE) mice and the control (GAS1AAV8-vector) mice by tail vein injection of male mice with adeno-associated virus. APAP at 500 mg/kg was intraperitoneally injected into these two groups of mice to induce acute liver failure. The shRNA packaged by the lentivirus inhibits GAS1 gene expression in human hepatoma cell line HepaRG (HepaRG-shNC and HepaRG-shGAS1-2) and primary hepatocytes of mice with liver-specific overexpression of GAS1 were isolated and induced by APAP in vitro to further investigate the regulatory role of GAS1 in APAP-induced acute liver failure. Results: APAP-induced upregulation of ferroptosis, levels of lipid peroxides and reactive oxygen species, and depletion of glutathione were effectively alleviated by the ferroptosis inhibitor, ferrostatin-1, and downregulation of GAS1 expression. GAS1 overexpression promoted ferroptosis-induced lipid peroxide accumulation via p53, inhibiting its downstream target, solute carrier family 7 member 11. Conclusion: Collectively, our findings suggest that GAS1 overexpression plays a key role in aggravating APAP-induced acute liver injury by promoting ferroptosis-induced accumulation of lipid peroxides.
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Affiliation(s)
- Jinqiu Tao
- Department of General Surgery, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, 210008 Jiangsu Province, China
| | - Cailin Xue
- Department of Hepatobilliary Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008 Jiangsu Province, China
| | - Xiaodong Wang
- Department of General Surgery, Northern Jiangsu People's Hospital, Yangzhou, 225001 Jiangsu Province, China
| | - Huihui Chen
- Department of Hepatobilliary Surgery, The first affiliated hospital of Anhui medical university, Hefei, 230022 Anhui Province, China
| | - Qiaoyu Liu
- Department of Hepatobilliary Surgery, The first affiliated hospital of Anhui medical university, Hefei, 230022 Anhui Province, China
| | - Chunping Jiang
- Department of General Surgery, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, 210008 Jiangsu Province, China
| | - Wenjie Zhang
- Department of General Surgery, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, 210008 Jiangsu Province, China
- Department of Hepatobilliary Surgery, The first affiliated hospital of Anhui medical university, Hefei, 230022 Anhui Province, China
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31
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Masykur, Nurdin, Hakim L, Rosnizar, Sari W, Ulfa M, Sari NY, Ceriana R. Effect of Ethanol Extract of Soursop ( Annona muricata L.) Stem Bark on Rat Liver Function. Pak J Biol Sci 2023; 26:516-528. [PMID: 38110557 DOI: 10.3923/pjbs.2023.516.528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
<b>Background and Objective:</b> Paracetamol does not cause toxic effects if given in therapeutic doses, namely below 4 g per day. Use of paracetamol at a dose of more than 4 g per day can result in hepatotoxicity. This study aims to compare the hepatoprotector potency of the ethanol extract of soursop stem bark (<i>A. muricata</i>) against the enzyme activity of SGOT and SGPT in rats induced by toxic doses of paracetamol. <b>Materials and Methods:</b> A Completely Randomized Design (CRD) comprised of 6 treatment groups and 3 replications. Total 27 white male rats were induced hepatotoxicity with 1350 mg of paracetamol on the 7th day, except for normal control (K0) which was given aquadest. The tested animals received akuades as the negative control (K-) 11.34 mg kg<sup>1</sup> b.wt., of Hepa-Q as the positive control (K+), ethanol extract stem bark <i>Annona muricata</i> at a dose of 150 mg kg<sup>1</sup> BB (P1), 300 mg kg<sup>1</sup> BB (P2) and 600 mg kg<sup>1</sup> BB (P3). <b>Results:</b> There was a significant difference (p<0.05) in the levels of SGOT and SGPT after giving ethanol extract of soursop (<i>A. muricata</i>) stem bark. The best treatment for reducing SGOT and SGPT levels in rats induced by paracetamol was the administration of ethanol extract of <i>A. muricata</i> stem bark at a dose of 600 mg kg<sup>1</sup> BB. <b>Conclusion:</b> Based on the results of the study, it was concluded that all ethanol extract of <i>Annona muricata</i> L. stem bark (EEAMSB) doses had the potential to reduce the levels of AST and ALT in paracetamol-induced rats.
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Mojoudi M, Taggart MS, Kharga A, Chen H, Dinicu AT, Wilks BT, Markmann JF, Toner M, Tessier SN, Yeh H, Uygun K. Anti-apoptotic treatment of warm ischemic male rat livers in machine perfusion improves symptoms of ischemia-reperfusion injury. RESEARCH SQUARE 2023:rs.3.rs-3260870. [PMID: 37674730 PMCID: PMC10479447 DOI: 10.21203/rs.3.rs-3260870/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
Liver donation after cardiac death (DCD) makes up a small percentage of the donor pool and poses a higher risk of graft loss compared to donation after brain death (DBD); this is a result of ischemia reperfusion for which the exact injury mechanisms are currently not fully understood. However, reperfusion injury has been shown to lead to necrosis as well as apoptosis at the cellular level. In this work, we propose that use of the pro-survival, anti-apoptotic CEPT cocktail in post-ischemia normothermic machine perfusion (NMP) may improve recovery in rat livers subjected to extended durations of warm ischemia. Livers procured from male lewis rats were subjected to 90 minutes of warm ischemia, followed by 6 hours of NMP where they were treated with the survival-enhancing anti-apoptotic cocktail (CEPT), the vehicle (DMSO) or the base media with no additives. The CEPT-treated group exhibited lower expression of hepatic injury biomarkers, and improvement in a range of hepatocellular functions associated with the hepatic parenchyma, biliary epithelium and especially the sinusoidal endothelium. This study's findings provide useful insight for further investigation of the extent of apoptotic contribution to ischemia reperfusion injury (IRI).
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Affiliation(s)
- Mohammadreza Mojoudi
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
| | - McLean S Taggart
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
| | - Anil Kharga
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
| | - Huyun Chen
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
| | - Antonia T Dinicu
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
| | - Benjamin T Wilks
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
| | - James F Markmann
- Center for Transplantation Sciences, Department of Surgery, Massachusetts General Hospital
| | - Mehmet Toner
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
| | - Shannon N Tessier
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
| | - Heidi Yeh
- Center for Transplantation Sciences, Department of Surgery, Massachusetts General Hospital
| | - Korkut Uygun
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital
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Li X, Wang J, Li Y, He W, Cheng QJ, Liu X, Xu DL, Jiang ZG, Xiao X, He YH. The gp130/STAT3-endoplasmic reticulum stress axis regulates hepatocyte necroptosis in acute liver injury. Croat Med J 2023; 64:149-163. [PMID: 37391912 PMCID: PMC10332293 DOI: 10.3325/cmj.2023.64.149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 05/25/2023] [Indexed: 08/30/2023] Open
Abstract
AIM To investigate the effect of the gp130/STAT3-endoplasmic reticulum (ER) stress axis on hepatocyte necroptosis during acute liver injury. METHODS ER stress and liver injury in LO2 cells were induced with thapsigargin, and in BALB/c mice with tunicamycin and carbon tetrachloride (CCl4). Glycoprotein 130 (gp130) expression, the degrees of ER stress, and hepatocyte necroptosis were assessed. RESULTS ER stress significantly upregulated gp130 expression in LO2 cells and mouse livers. The silencing of activating transcription factor 6 (ATF6), but not of ATF4, increased hepatocyte necroptosis and mitigated gp130 expression in LO2 cells and mice. Gp130 silencing reduced the phosphorylation of CCl4-induced signal transducer and activator of transcription 3 (STAT3), and aggravated ER stress, necroptosis, and liver injury in mice. CONCLUSION ATF6/gp130/STAT3 signaling attenuates necroptosis in hepatocytes through the negative regulation of ER stress during liver injury. Hepatocyte ATF6/gp130/STAT3 signaling may be used as a therapeutic target in acute liver injury.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Yi-Huai He
- Yi-Huai He, Department of Infectious Diseases, Affiliated Hospital of Zunyi Medical University, No. 201 Dalian Street, Zunyi, 563000, Guizhou, China,
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Schlegel A, Mergental H, Fondevila C, Porte RJ, Friend PJ, Dutkowski P. Machine perfusion of the liver and bioengineering. J Hepatol 2023; 78:1181-1198. [PMID: 37208105 DOI: 10.1016/j.jhep.2023.02.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 02/03/2023] [Accepted: 02/09/2023] [Indexed: 05/21/2023]
Abstract
With the increasing number of accepted candidates on waiting lists worldwide, there is an urgent need to expand the number and the quality of donor livers. Dynamic preservation approaches have demonstrated various benefits, including improving liver function and graft survival, and reducing liver injury and post-transplant complications. Consequently, organ perfusion techniques are being used in clinical practice in many countries. Despite this success, a proportion of livers do not meet current viability tests required for transplantation, even with the use of modern perfusion techniques. Therefore, devices are needed to further optimise machine liver perfusion - one promising option is to prolong machine liver perfusion for several days, with ex situ treatment of perfused livers. For example, stem cells, senolytics, or molecules targeting mitochondria or downstream signalling can be administered during long-term liver perfusion to modulate repair mechanisms and regeneration. Besides, today's perfusion equipment is also designed to enable the use of various liver bioengineering techniques, to develop scaffolds or for their re-cellularisation. Cells or entire livers can also undergo gene modulation to modify animal livers for xenotransplantation, to directly treat injured organs or to repopulate such scaffolds with "repaired" autologous cells. This review first discusses current strategies to improve the quality of donor livers, and secondly reports on bioengineering techniques to design optimised organs during machine perfusion. Current practice, as well as the benefits and challenges associated with these different perfusion strategies are discussed.
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Affiliation(s)
- Andrea Schlegel
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Centre of Preclinical Research, Milan, 20122, Italy; Department of Surgery and Transplantation, Swiss HPB Center, University Hospital Zurich, Switzerland
| | - Hynek Mergental
- The Liver Unit, Queen Elizabeth University Hospital Birmingham, United Kingdom
| | - Constantino Fondevila
- Hepatopancreatobiliary Surgery & Transplantation, General & Digestive Surgery Service, Hospital Universitario La Paz, IdiPAZ, CIBERehd, Madrid, Spain
| | - Robert J Porte
- Erasmus MC Transplant Institute, Department of Surgery, Division of HPB & Transplant Surgery, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Peter J Friend
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Philipp Dutkowski
- Department of Surgery and Transplantation, Swiss HPB Center, University Hospital Zurich, Switzerland.
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Verçosa BLA, Muniz-Junqueira MI, Barradas ALB, Costa FAL, Melo MN, Vasconcelos AC. Enhanced apoptotic index in hepatocytes, Kupffer cells, and inflammatory infiltrate showed positive correlation with hepatic lesion intensity, parasite load, and clinical status in naturally Leishmania-infected dogs. Microb Pathog 2023:106194. [PMID: 37269879 DOI: 10.1016/j.micpath.2023.106194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 05/09/2023] [Accepted: 05/31/2023] [Indexed: 06/05/2023]
Abstract
It is unknown if Leishmania amastigote infections affect hepatocytes and Kupffer cell apoptosis, and the role played by apoptosis in liver lesions in leishmaniasis is still unclear. Clinically affected and subclinically infected dogs with leishmaniosis and uninfected controls were assessed. Parasite load, biochemical markers for evaluation of liver damage, morphometry (area, perimeter, number of inflammatory focus, major and minor diameters), apoptosis in hepatic tissue (hepatocytes, Kupffer cells, and inflammatory infiltrates) and cellularity in inflammatory foci were quantified. The parasite load in clinically affected dogs proved to be higher than in the other groups. All morphometric parameters (area, perimeter, number of inflammatory focus, major and minor diameters) from clinically affected were higher than the values found in the subclinically infected and uninfected control dogs. Only clinically affected dogs presented high levels of ALT, FA, GGT and cholesterol in serum. Strong positive correlation was observed between biochemical markers for evaluation of liver damage (ALT, FA, GGT and cholesterol) and hepatic apoptosis (hepatocytes, Kupffer cells, and inflammation). Clinically affected dogs showed a more intense hepatic lesion. Hepatocytes showed a higher rate of apoptosis in Leishmania-infected dogs than in uninfected control dogs. The Kupffer cell apoptotic index and apoptosis within the inflammatory infiltrates were higher in clinically affected dogs. The apoptotic index evaluated in hepatocytes, Kupffer cells, and inflammatory infiltrates showed a positive correlation with the intensity of the hepatic lesion, parasite load, and clinical status. Apoptotic cells also showed positive immunostaining for TUNEL, Bcl2, and Bax. Our data showed that hepatic apoptosis was related to the severity of liver damage, the progression of infection, and the parasite load in leishmaniasis. Apoptotic regulated cell recruitment modulated the inflammatory response and favored the survival and dissemination of parasites, depending on the clinical status of the Leishmania-infected dogs.
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Affiliation(s)
- Bárbara Laurice Araujo Verçosa
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil; Laboratório de Imunologia Celular, Faculdade de Medicina, Universidade de Brasília, Brasília, Brazil; Faculdade de Ciências da Saúde Pitágoras de Codó, Maranhão, Brazil.
| | | | - Ana Lys Bezerra Barradas
- Departamento de Clínica e Cirurgia veterinária, Centro de Ciências Agrárias, Universidade Federal do Piauí, Teresina, Piauí, Brazil
| | - Francisco Assis Lima Costa
- Departamento de Clínica e Cirurgia veterinária, Centro de Ciências Agrárias, Universidade Federal do Piauí, Teresina, Piauí, Brazil
| | - Maria Norma Melo
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Anilton Cesar Vasconcelos
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
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Shaker ME, Gomaa HAM, Abdelgawad MA, El-Mesery M, Shaaban AA, Hazem SH. Emerging roles of tyrosine kinases in hepatic inflammatory diseases and therapeutic opportunities. Int Immunopharmacol 2023; 120:110373. [PMID: 37257270 DOI: 10.1016/j.intimp.2023.110373] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 05/06/2023] [Accepted: 05/19/2023] [Indexed: 06/02/2023]
Abstract
Inflammation has been convicted of causing and worsening many liver diseases like acute liver failure, fibrosis, cirrhosis, fatty liver and liver cancer. Pattern recognition receptors (PRRs) like TLRs 4 and 9 localized on resident or recruited immune cells are well known cellular detectors of pathogen and damage-associated molecular patterns (PAMPs/DAMPs). Stimulation of these receptors generates the sterile and non-sterile inflammatory responses in the liver. When these responses are repeated, there will be a sustained liver injury that may progress to fibrosis and its outcomes. Crosstalk between inflammatory/fibrogenic-dependent streams and certain tyrosine kinases (TKs) has recently evolved in the context of hepatic diseases. Because of TKs increasing importance, their role should be elucidated to highlight effective approaches to manage the diverse liver disorders. This review will give a brief overview of types and functions of some TKs like BTK, JAKs, Syk, PI3K, Src and c-Abl, as well as receptors for TAM, PDGF, EGF, VEGF and HGF. It will then move to discuss the roles of these TKs in the regulation of the proinflammatory, fibrogenic and tumorigenic responses in the liver. Lastly, the therapeutic opportunities for targeting TKs in hepatic inflammatory disorders will be addressed. Overall, this review sheds light on the diverse TKs that have substantial roles in hepatic disorders and potential therapeutics modulating their activity.
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Affiliation(s)
- Mohamed E Shaker
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka 72341, Aljouf, Saudi Arabia.
| | - Hesham A M Gomaa
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka 72341, Aljouf, Saudi Arabia
| | - Mohamed A Abdelgawad
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka 72341, Aljouf, Saudi Arabia
| | - Mohamed El-Mesery
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt; Division of Biochemical Pharmacology, Department of Biology, University of Konstanz, Germany
| | - Ahmed A Shaaban
- Department of Pharmacology & Biochemistry, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa 11152, Egypt; Department of Pharmacology & Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Sara H Hazem
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
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Bian XB, Yu PC, Yang XH, Han L, Wang QY, Zhang L, Zhang LX, Sun X. The effect of ginsenosides on liver injury in preclinical studies: a systematic review and meta-analysis. Front Pharmacol 2023; 14:1184774. [PMID: 37251340 PMCID: PMC10213882 DOI: 10.3389/fphar.2023.1184774] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 04/26/2023] [Indexed: 05/31/2023] Open
Abstract
Background: Liver injury is a severe liver lesion caused by various etiologies and is one of the main areas of medical research. Panax ginseng C.A. Meyer has traditionally been used as medicine to treat diseases and regulate body functions. Ginsenosides are the main active components of ginseng, and their effects on liver injury have been extensively reported. Methods: Preclinical studies meeting the inclusion criteria were retrieved from PubMed, Web of Science, Embase, China National Knowledge Infrastructure (CNKI), and Wan Fang Data Knowledge Service Platforms. The Stata 17.0 was used to perform the meta-analysis, meta-regression, and subgroup analysis. Results: This meta-analysis included ginsenosides Rb1, Rg1, Rg3, and compound K (CK), in 43 articles. The overall results showed that multiple ginsenosides significantly reduced alanine aminotransferase (ALT) and aspartate aminotransferase (AST), affected oxidative stress-related indicators, such as superoxide dismutase (SOD), malondialdehyde (MDA), glutathione (GSH), glutathione peroxidase (GSH-Px), and catalase (CAT), and reduced levels of inflammatory factor, such as factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6). Additionally, there was a large amount of heterogeneity in the meta-analysis results. Our predefined subgroup analysis shows that the animal species, the type of liver injury model, the duration of treatment, and the administration route may be the sources of some of the heterogeneity. Conclusion: In a word, ginsenosides have good efficacy against liver injury, and their potential mechanisms of action target antioxidant, anti-inflammatory and apoptotic-related pathways. However, the overall methodological quality of our current included studies was low, and more high-quality studies are needed to confirm their effects and mechanisms further.
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Affiliation(s)
- Xing-Bo Bian
- College of Pharmacy, Jilin Medical University, Jilin, Jilin, China
| | - Peng-Cheng Yu
- College of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang, China
| | - Xiao-Hang Yang
- College of Pharmacy, Jilin Medical University, Jilin, Jilin, China
| | - Liu Han
- College of Pharmacy, Jilin Medical University, Jilin, Jilin, China
| | - Qi-Yao Wang
- College of Pharmacy, Jilin Medical University, Jilin, Jilin, China
| | - Li Zhang
- College of Pharmacy, Jilin Medical University, Jilin, Jilin, China
| | - Lian-Xue Zhang
- College of Chinese Medicinal Materials, Jilin Agriculture University, Changchun, Jilin, China
| | - Xin Sun
- College of Pharmacy, Jilin Medical University, Jilin, Jilin, China
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Samartsev VN, Khoroshavina EI, Pavlova EK, Dubinin MV, Semenova AA. Bile Acids as Inducers of Protonophore and Ionophore Permeability of Biological and Artificial Membranes. MEMBRANES 2023; 13:membranes13050472. [PMID: 37233533 DOI: 10.3390/membranes13050472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/26/2023] [Accepted: 04/27/2023] [Indexed: 05/27/2023]
Abstract
It is now generally accepted that the role of bile acids in the organism is not limited to their participation in the process of food digestion. Indeed, bile acids are signaling molecules and being amphiphilic compounds, are also capable of modifying the properties of cell membranes and their organelles. This review is devoted to the analysis of data on the interaction of bile acids with biological and artificial membranes, in particular, their protonophore and ionophore effects. The effects of bile acids were analyzed depending on their physicochemical properties: namely the structure of their molecules, indicators of the hydrophobic-hydrophilic balance, and the critical micelle concentration. Particular attention is paid to the interaction of bile acids with the powerhouse of cells, the mitochondria. It is of note that bile acids, in addition to their protonophore and ionophore actions, can also induce Ca2+-dependent nonspecific permeability of the inner mitochondrial membrane. We consider the unique action of ursodeoxycholic acid as an inducer of potassium conductivity of the inner mitochondrial membrane. We also discuss a possible relationship between this K+ ionophore action of ursodeoxycholic acid and its therapeutic effects.
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Affiliation(s)
- Victor N Samartsev
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia
| | - Ekaterina I Khoroshavina
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia
| | - Evgeniya K Pavlova
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia
| | - Mikhail V Dubinin
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia
| | - Alena A Semenova
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia
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Adam AH, Verdegem M, Soliman AA, Zaki M, Khalil RH, Nour AEM, Khaled AA, El Basuini MF, Khalil HS. Effect of dietary bile acids: Growth performance, immune response, genes expression of fatty acid metabolism, intestinal, and liver morphology of striped catfish (Pangasianodon hypophthalmus). AQUACULTURE REPORTS 2023; 29:101510. [DOI: 10.1016/j.aqrep.2023.101510] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Schnell A, Jüngert J, Klett D, Hober H, Kaiser N, Ruppel R, Geppert A, Tremel C, Sobel J, Plattner E, Schmitt-Grohé S, Zirlik S, Strobel D, Neurath MF, Knieling F, Rauh M, Woelfle J, Hoerning A, Regensburger AP. Increase of liver stiffness and altered bile acid metabolism after triple CFTR modulator initiation in children and young adults with cystic fibrosis. Liver Int 2023; 43:878-887. [PMID: 36797990 DOI: 10.1111/liv.15544] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 01/30/2023] [Accepted: 02/14/2023] [Indexed: 02/18/2023]
Abstract
BACKGROUND Novel cystic fibrosis transmembrane conductance regulator (CFTR) modulator therapies (elexacaftor/tezacaftor/ivacaftor-ETI) promise clinically significant and sustained improvements for patients with cystic fibrosis (CF). In this study, we investigated the impact of ETI therapy on liver stiffness and bile acid metabolism in a cohort of children and young adults with CF. METHODS A prospective observational study (NCT05576324) was conducted from September 2020 to November 2021 enrolling CF patients naive to ETI. Standard laboratory chemistry, sweat test, lung function, share wave velocity (SWV) derived by acoustic radiation force impulse imaging (ARFI) and serum bile acid profiles were assessed before and 6 months after induction of ETI therapy. RESULTS A total of 20 patients (10 aged <20 years) completed the study. While lung function and BMI improved after ETI therapy, ARFI SWV increased in CF patients <20 years of age (from 1.27 to 1.43 m/s, p = 0.023). Bile acid (BA) profiles revealed a decrease in unconjugated (5.75 vs 1.46, p = 0.007) and increase in glycine-conjugated derivatives (GCDCA) (4.79 vs 6.64 p = 0.016). There was a positive correlation between ARFI SWV values and GCDCA (r = 0.80, p < 0.0001). Glycine-conjugated BA provided high diagnostic accuracy to predict increased ARFI measurements (AUC 0.90) and clinical (Colombo) CFLD grading (AUC 0.97). CONCLUSIONS ARFI SWV and bile acid profiles provide evidence for early increase in liver stiffness and altered bile acid metabolism in young CF patients after initiation of ETI and may serve as synergistic measures for detection of hepatic complications during ETI therapy.
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Affiliation(s)
- Alexander Schnell
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Jörg Jüngert
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Daniel Klett
- Department of Medicine 1 and German Center Immunotherapy (DZI), University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Hannah Hober
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Natalie Kaiser
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Renate Ruppel
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Annika Geppert
- Department of Medicine 1 and German Center Immunotherapy (DZI), University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Christina Tremel
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Julia Sobel
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Erika Plattner
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Sabina Schmitt-Grohé
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Sabine Zirlik
- Department of Medicine 1 and German Center Immunotherapy (DZI), University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Deike Strobel
- Department of Medicine 1 and German Center Immunotherapy (DZI), University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Markus F Neurath
- Department of Medicine 1 and German Center Immunotherapy (DZI), University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Ferdinand Knieling
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
- Translational Experimental and Molecular Imaging Laboratory (PETI_Lab), Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Manfred Rauh
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Joachim Woelfle
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - André Hoerning
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Adrian P Regensburger
- Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
- Translational Experimental and Molecular Imaging Laboratory (PETI_Lab), Department of Pediatrics and Adolescent Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
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Alley J, Jibril AN, Saleh SM, Umar M, Sirajo MU. Histomorphological study of hepatic lobules of adult Wistar rats administered with aqueous extracts of leaves of cassia singueana. Drug Metab Pers Ther 2023:dmdi-2023-0002. [PMID: 36930739 DOI: 10.1515/dmpt-2023-0002] [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: 01/12/2023] [Accepted: 02/16/2023] [Indexed: 03/19/2023]
Abstract
OBJECTIVES Cassia singueana is widely used in northern Nigeria as an herb for the treatment of enamors ailments. Nevertheless the toxicity of the herb on liver architecture; the hepatic lobule and body weight is yet to be authenticated. METHODS A total of 24 male Wistar rats with an average weight of 150 g were randomly placed into four groups. Each group consisted of 6 rats. Group A served as the control group while groups B, C and D were given 150, 300, and 450 mg of Cassia singueana leaves extract respectively for 14 days. The animals were weighed before, during and after the treatment phase subsequently, they were sacrificed and the liver tissues were processed and stained using hematoxylin and eosin (H&E) stain, Masson's and Trichrome Stain, Gordon and Sweet's Stain, and Periodic Acid Schiff (PAS)Stain. RESULTS There was no significant change in the animal's body weight of in all the groups when compared to the control group. Our histology result showed that Cassia singueana induced vascular lesion and hepatocytes degeneration putatively though mechanism of cell death (apoptosis and necrosis). It was also found that Cassia singueana has no toxic effect on the reticular fibers of the liver. High dose of Cassia singueana was found to induce the deposition of PAS positive materials in hepatocytes. CONCLUSIONS The Cassia singueana leaves extract induce hepatocyte degeneration and vascular lesion in the hepatic lobules of the wistar rats, without affecting the animals' body weight.
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Guha Ray A, Odum OP, Wiseman D, Weinstock A. The diverse roles of macrophages in metabolic inflammation and its resolution. Front Cell Dev Biol 2023; 11:1147434. [PMID: 36994095 PMCID: PMC10041730 DOI: 10.3389/fcell.2023.1147434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 02/14/2023] [Indexed: 03/14/2023] Open
Abstract
Macrophages are one of the most functionally diverse immune cells, indispensable to maintain tissue integrity and metabolic health. Macrophages perform a myriad of functions ranging from promoting inflammation, through inflammation resolution to restoring and maintaining tissue homeostasis. Metabolic diseases encompass a growing list of diseases which develop from a mix of genetics and environmental cues leading to metabolic dysregulation and subsequent inflammation. In this review, we summarize the contributions of macrophages to four metabolic conditions-insulin resistance and adipose tissue inflammation, atherosclerosis, non-alcoholic fatty liver disease and neurodegeneration. The role of macrophages is complex, yet they hold great promise as potential therapies to address these growing health concerns.
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Affiliation(s)
| | | | | | - Ada Weinstock
- Section of Genetic Medicine, Department of Medicine, The University of Chicago, Chicago, IL, United States
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Jiang M, Huang C, Wu Q, Su Y, Wang X, Xuan Z, Wang Y, Xu F, Ge C. Sini San ameliorates CCl4-induced liver fibrosis in mice by inhibiting AKT-mediated hepatocyte apoptosis. JOURNAL OF ETHNOPHARMACOLOGY 2023; 303:115965. [PMID: 36460296 DOI: 10.1016/j.jep.2022.115965] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/12/2022] [Accepted: 11/21/2022] [Indexed: 06/17/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Sini San (SNS) is recorded in Zhang Zhongjing's "Treatise on Typhoids" and is used in the treatment of non-alcoholic fatty liver disease, hepatitis, and other liver diseases, with good efficacy in liver fibrosis. However, its anti-liver fibrosis mechanism remains unclear. AIM OF THE STUDY This study aimed to evaluate the ameliorative effect of SNS on carbon tetrachloride (CCl4)-induced liver fibrosis in mice and the underlying mechanisms. MATERIALS AND METHODS The active ingredients in the water extract of SNS were determined using high-performance liquid chromatography (HPLC). CCl4-induced liver fibrosis mice were subsequently treated with different doses of SNS for 3 weeks, and AST, ALT, and T-BIL were detected in the serum. The pathological characteristics of the liver were observed using hematoxylin and eosin (H&E) and Masson's staining. Hepatocyte apoptosis was assessed using terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) staining. The proteins expression of PI3K, p-PI3K, AKT, p-AKT, FXR, caspase-8, Bax, and Bcl-2 was analyzed using western blotting and immunofluorescence. FXR mRNA expression was measured using quantitative real-time reverse transcription-polymerase chain reaction (RT-qPCR). Using network pharmacology and bioinformatics to search for active ingredients that regulate PI3K/AKT signaling in the SNS. The material basis for regulating PI3K/AKT signaling in SNS was searched using network pharmacology and bioinformatics. Based on the network pharmacology results, isorhamnetin or SNS-containing serum was added to HepG2 cells stimulated with TNF-α. The Cell Counting Kit (CCK)-8 assay was used to analyze cell viability and apoptosis of HepG2 cells was detected using flow cytometry. RESULTS SNS reduced serum levels of AST, ALT and T-BIL, down-regulated caspase-8 protein expression and the ratio of Bcl-2/Bax protein expression, and improved apoptosis in liver fibrosis mice. In addition, SNS downregulated the ratio of p-PI3K/PI3K and p-AKT/AKT protein expression and increased FXR expression. Network pharmacology studies showed that quercetin, kaempferol and isorhamnetin in SNS can bind to AKT. In vitro experiments showed that isorhamnetin inhibited HepG2 cell apoptosis, upregulated FXR expression and suppressed AKT activity, whereas AKT inhibitors blocked the effects of isorhamnetin. The effect of the SNS-containing serum was similar to that of isorhamnetin. CONCLUSION SNS ameliorated the progression of fibrosis and improved hepatocyte apoptosis in liver fibrosis mice. The anti-apoptotic mechanism was related to the inhibition of AKT-mediated down-regulation of FXR expression by its active ingredient, isorhamnetin.
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Affiliation(s)
- Meijie Jiang
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, PR China
| | - Chunmei Huang
- Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, PR China
| | - Qiong Wu
- Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, PR China
| | - Yong Su
- Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, PR China
| | - Xinming Wang
- Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, PR China
| | - Zihua Xuan
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, PR China
| | - Yunlai Wang
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, PR China; Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012, PR China
| | - Fan Xu
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, PR China; Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012, PR China.
| | - Chaoliang Ge
- Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, PR China.
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Gharbia S, Nazarie SR, Dinescu S, Balta C, Herman H, Peteu VE, Gherghiceanu M, Hermenean A, Costache M. Adipose-Derived Stem Cells (ADSCs) Supplemented with Hepatocyte Growth Factor (HGF) Attenuate Hepatic Stellate Cell Activation and Liver Fibrosis by Inhibiting the TGF-β/Smad Signaling Pathway in Chemical-Induced Liver Fibrosis Associated with Diabetes. Cells 2022; 11:3338. [PMID: 36359733 PMCID: PMC9653841 DOI: 10.3390/cells11213338] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/17/2022] [Accepted: 10/19/2022] [Indexed: 10/20/2023] Open
Abstract
Liver fibrosis can develop on the background of hyperglycemia in diabetes mellitus. However, xenobiotic-related factors may accelerate diabetes-associated liver fibrosis. In this study, we aimed to assess the antfibrotic effect of ADSC and HGF therapy and to establish the cellular and molecular mechanisms through in vitro and in vivo experiments. In vitro, TGF-β1-activated hepatic stellate cells (HSCs) were cocultured with ADSCs or HGF, and the expression of several fibrosis markers was investigated. The antifibrotic effect of the ADSCs, HGF, and ADSCs supplemented with HGF was further assessed in vivo on diabetic mice with liver fibrosis experimentally induced. In vitro results showed the inhibition of HSC proliferation and decrease in fibrogenesis markers. Coadministration of ADSCs and HGF on diabetic mice with liver fibrosis enhanced antifibrotic effects confirmed by the downregulation of Col I, α-SMA, TGF-β1, and Smad2, while Smad7 was upregulated. Moreover, stem cell therapy supplemented with HGF considerably attenuated inflammation and microvesicular steatosis, decreased collagen deposits, and alleviated liver fibrosis. In conclusion, the HGF-based ADSC therapy might be of interest for the treatment of liver fibrosis in diabetic patients, consecutive aggression exerts by different environmental factors.
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Affiliation(s)
- Sami Gharbia
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050663 Bucharest, Romania
- “Aurel Ardelean” Institute of Life Sciences, “Vasile Goldis” Western University of Arad, 310025 Arad, Romania
| | - Simona-Rebeca Nazarie
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050663 Bucharest, Romania
| | - Sorina Dinescu
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050663 Bucharest, Romania
- The Research Institute of the University of Bucharest (ICUB), University of Bucharest, 050663 Bucharest, Romania
| | - Cornel Balta
- “Aurel Ardelean” Institute of Life Sciences, “Vasile Goldis” Western University of Arad, 310025 Arad, Romania
| | - Hildegard Herman
- “Aurel Ardelean” Institute of Life Sciences, “Vasile Goldis” Western University of Arad, 310025 Arad, Romania
| | | | - Mihaela Gherghiceanu
- Victor Babes National Institute of Pathology, 050096 Bucharest, Romania
- Department of Cell Biology, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Anca Hermenean
- “Aurel Ardelean” Institute of Life Sciences, “Vasile Goldis” Western University of Arad, 310025 Arad, Romania
- Department of Histology, Faculty of Medicine, Vasile Goldis Western University of Arad, 310414 Arad, Romania
| | - Marieta Costache
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050663 Bucharest, Romania
- The Research Institute of the University of Bucharest (ICUB), University of Bucharest, 050663 Bucharest, Romania
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Abd El-Aziz YM, Hendam BM, Al-Salmi FA, Qahl SH, Althubaiti EH, Elsaid FG, Shati AA, Hosny NM, Fayad E, Abu Almaaty AH. Ameliorative Effect of Pomegranate Peel Extract (PPE) on Hepatotoxicity Prompted by Iron Oxide Nanoparticles (Fe 2O 3-NPs) in Mice. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3074. [PMID: 36080111 PMCID: PMC9457799 DOI: 10.3390/nano12173074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 08/11/2022] [Accepted: 08/31/2022] [Indexed: 06/15/2023]
Abstract
An evaluation of the ameliorative effect of pomegranate peel extract (PPE) in counteracting the toxicity of iron oxide nanoparticles (Fe2O3-NPs) that cause hepatic tissue damage is focused on herein. Forty male albino mice were haphazardly grouped into four groups as follows: the first control group was orally gavage daily with physiological saline; the second group received 100 mg/kg of PPE by the oral route day after day; the third group received 30 mg/kg Fe2O3-NPs orally; and the fourth group received both PPE and Fe2O3-NPs by the oral route, the same as the second and third sets. Later, after the completion of the experiment, we collected the liver, blood, and bone marrow of bone specimens that were obtained for further laboratory tests. For instance, exposure to Fe2O3-NPs significantly altered serum antioxidant biomarkers by decreasing the levels of total antioxidant capacity (TAC), catalase (CAT), and glutathione s-transferase (GST). Additionally, it caused changes in the morphology of hepatocytes, hepatic sinusoids, and inflammatory Kupffer cells. Furthermore, they significantly elevated the number of chromosomal aberrations including gaps, breaks, deletions, fragments, polyploidies, and ring chromosomes. Moreover, they caused a significant overexpression of TIMP-1, TNF-α, and BAX mRNA levels. Finally, the use of PPE alleviates the toxicity of Fe2O3-NPs that were induced in the hepatic tissues of mice. It is concluded that PPE extract has mitigative roles against the damage induced by Fe2O3-NPs, as it serves as an antioxidant and hepatoprotective agent. The use of PPE as a modulator of Fe2O3-NPs' hepatotoxicity could be considered as a pioneering method in the use of phytochemicals against the toxicity of nanoparticles.
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Affiliation(s)
- Yasmin M. Abd El-Aziz
- Department of Zoology, Faculty of Science, Port Said University, Port Said 42526, Egypt
| | - Basma M. Hendam
- Department of Husbandry & Development of Animal Wealth, Faculty of Veterinary Medicine, Mansoura University, Gomhoria St., Mansoura 35516, Egypt
| | - Fawziah A. Al-Salmi
- Department of Biology, Faculty of Sciences, Taif University, Taif 21944, Saudi Arabia
| | - Safa H. Qahl
- Department of Biology, College of Science, University of Jeddah, Jeddah 21589, Saudi Arabia
| | - Eman H. Althubaiti
- Department of Biotechnology, Faculty of Sciences, Taif University, Taif 21944, Saudi Arabia
| | - Fahmy G. Elsaid
- Biology Department, Science College, King Khalid University, Abha 61421, Saudi Arabia
- Zoology Department, Faculty of Science, Mansoura University, Mansoura 35516, Egypt
| | - Ali A. Shati
- Biology Department, Science College, King Khalid University, Abha 61421, Saudi Arabia
| | - Nasser M. Hosny
- Department of Chemistry, Faculty of Science, Port Said University, Port Said 42526, Egypt
| | - Eman Fayad
- Department of Biotechnology, Faculty of Sciences, Taif University, Taif 21944, Saudi Arabia
| | - Ali H. Abu Almaaty
- Department of Zoology, Faculty of Science, Port Said University, Port Said 42526, Egypt
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46
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Truong JK, Bennett AL, Klindt C, Donepudi AC, Malla SR, Pachura KJ, Zaufel A, Moustafa T, Dawson PA, Karpen SJ. Ileal bile acid transporter inhibition in Cyp2c70 KO mice ameliorates cholestatic liver injury. J Lipid Res 2022; 63:100261. [PMID: 35934110 PMCID: PMC9460185 DOI: 10.1016/j.jlr.2022.100261] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 07/29/2022] [Accepted: 07/30/2022] [Indexed: 02/07/2023] Open
Abstract
Cyp2c70 is the liver enzyme in rodents responsible for synthesis of the primary 6-hydroxylated muricholate bile acid (BA) species. Cyp2c70 KO mice are devoid of protective, hydrophilic muricholic acids, leading to a more human-like BA composition and subsequent cholestatic liver injury. Pharmacological inhibition of the ileal BA transporter (IBAT) has been shown to be therapeutic in cholestatic models. Here, we aimed to determine if IBAT inhibition with SC-435 is protective in Cyp2c70 KO mice. As compared to WT mice, we found male and female Cyp2c70 KO mice exhibited increased levels of serum liver injury markers, and our evaluation of liver histology revealed increased hepatic inflammation, macrophage infiltration, and biliary cell proliferation. We demonstrate serum and histologic markers of liver damage were markedly reduced with SC-435 treatment. Additionally, we show hepatic gene expression in pathways related to immune cell activation and inflammation were significantly upregulated in Cyp2c70 KO mice and reduced to levels indistinguishable from WT with IBAT inhibition. In Cyp2c70 KO mice, the liver BA content was significantly increased, enriched in chenodeoxycholic acid, and more hydrophobic, exhibiting a hydrophobicity index value and red blood cell lysis properties similar to human liver BAs. Furthermore, we determined IBAT inhibition reduced the total hepatic BA levels but did not affect overall hydrophobicity of the liver BAs. These findings suggest that there may be a threshold in the liver for pathological accretion of hydrophobic BAs and reducing hepatic BA accumulation can be sufficient to alleviate liver injury, independent of BA pool hydrophobicity.
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Affiliation(s)
- Jennifer K Truong
- Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology and Nutrition, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, Georgia, USA
| | - Ashley L Bennett
- Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology and Nutrition, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, Georgia, USA
| | - Caroline Klindt
- Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology and Nutrition, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, Georgia, USA
| | - Ajay C Donepudi
- Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology and Nutrition, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, Georgia, USA
| | - Sudarshan R Malla
- Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology and Nutrition, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, Georgia, USA
| | - Kimberly J Pachura
- Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology and Nutrition, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, Georgia, USA
| | - Alex Zaufel
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Tarek Moustafa
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Paul A Dawson
- Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology and Nutrition, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, Georgia, USA.
| | - Saul J Karpen
- Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology and Nutrition, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, Georgia, USA.
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47
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Gouveia-Fernandes S, Rodrigues A, Nunes C, Charneira C, Nunes J, Serpa J, Antunes AMM. Glycidamide and cis-2-butene-1,4-dial (BDA) as potential carcinogens and promoters of liver cancer - An in vitro study. Food Chem Toxicol 2022; 166:113251. [PMID: 35750087 DOI: 10.1016/j.fct.2022.113251] [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: 05/02/2022] [Revised: 06/15/2022] [Accepted: 06/18/2022] [Indexed: 10/18/2022]
Abstract
Acrylamide and furan are environmental and food contaminants that are metabolized by cytochrome P450 2E1 (CYP2E1), giving rise to glycidamide and cis-2-butene-1,4-dial (BDA) metabolites, respectively. Both glycidamide and BDA are electrophilic species that react with nucleophilic groups, being able to introduce mutations in DNA and perform epigenetic remodeling. However, whereas these carcinogens are primarily metabolized in the liver, the carcinogenic potential of acrylamide and furan in this organ is still controversial, based on findings from experimental animal studies. With the ultimate goal of providing further insights into this issue, we explored in vitro, using a hepatocyte cell line and a hepatocellular carcinoma cell line, the putative effect of these metabolites as carcinogens and cancer promoters. Molecular alterations were investigated in cells that survive glycidamide and BDA toxicity. We observed that those cells express CD133 stemness marker, present a high proliferative capacity and display an adjusted expression profile of genes encoding enzymes involved in oxidative stress control, such as GCL-C, GSTP1, GSTA3 and CAT. These molecular changes seem to be underlined, at least in part, by epigenetic remodeling involving histone deacetylases (HDACs). Although more studies are needed, here we present more insights towards the carcinogenic capacity of glycidamide and BDA and also point out their effect in favoring hepatocellular carcinoma progression.
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Affiliation(s)
- Sofia Gouveia-Fernandes
- NOVA Medical School Research, NOVA Medical School
- Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056, Lisboa, Portugal; Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof Lima Basto, 1099-023, Lisboa, Portugal
| | - Armanda Rodrigues
- NOVA Medical School Research, NOVA Medical School
- Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056, Lisboa, Portugal; Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof Lima Basto, 1099-023, Lisboa, Portugal
| | - Carolina Nunes
- NOVA Medical School Research, NOVA Medical School
- Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056, Lisboa, Portugal; Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof Lima Basto, 1099-023, Lisboa, Portugal
| | - Catarina Charneira
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Engenharia Química, Instituto Superior Técnico, Av. Rovisco Pais, 1049 001, Lisboa, Portugal
| | - João Nunes
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Engenharia Química, Instituto Superior Técnico, Av. Rovisco Pais, 1049 001, Lisboa, Portugal
| | - Jacinta Serpa
- NOVA Medical School Research, NOVA Medical School
- Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056, Lisboa, Portugal; Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof Lima Basto, 1099-023, Lisboa, Portugal.
| | - Alexandra M M Antunes
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Engenharia Química, Instituto Superior Técnico, Av. Rovisco Pais, 1049 001, Lisboa, Portugal.
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48
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Factors Involved in the Apoptotic Cell Death Mechanism in Yellow Fever Hepatitis. Viruses 2022; 14:v14061204. [PMID: 35746675 PMCID: PMC9227230 DOI: 10.3390/v14061204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 05/05/2022] [Accepted: 05/22/2022] [Indexed: 12/01/2022] Open
Abstract
Yellow fever (YF), a non-contagious infectious disease, is endemic or enzootic to the tropical regions of the Americas and Africa. Periodic outbreaks or epidemics have a significant impact on public health. Programmed cell death, or apoptosis, is generally characterised by distinct morphological changes and energy-dependent biochemical pathways. In this study, we performed immunohistochemistry analysis to identify and quantify proteases and protein targets involved in the cascade that triggers apoptosis in YF virus (YFV)-infected human hepatocytes. Liver tissue samples were collected from 26 individuals, among whom 21 were diagnosed as YF-positive, and five were flavivirus-negative and died due to other causes. The histopathological alterations in YFV-positive cases were characterised by the presence of apoptotic bodies, steatosis, cellular swelling, and extensive necrosis and haemorrhage in the hepatic lobules. Additionally, we observed an abundance of inflammatory infiltrates in the portal tract. The expression of various apoptotic markers in the hepatic parenchyma, including CASPASE 3, CASPASE 8, BAX, FAS, FASL, GRANZYME B, and SURVIVIN, differed between YFV-positive cases and controls. Collectively, this study confirmed the complexity of YFV infection-induced apoptosis in situ. However, our data suggest that apoptosis in liver parenchyma lesions may significantly contribute to the pathogenesis of fatal YF in humans.
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49
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Jiao TY, Ma YD, Guo XZ, Ye YF, Xie C. Bile acid and receptors: biology and drug discovery for nonalcoholic fatty liver disease. Acta Pharmacol Sin 2022; 43:1103-1119. [PMID: 35217817 PMCID: PMC9061718 DOI: 10.1038/s41401-022-00880-z] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Accepted: 01/25/2022] [Indexed: 02/07/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD), a series of liver metabolic disorders manifested by lipid accumulation within hepatocytes, has become the primary cause of chronic liver diseases worldwide. About 20%-30% of NAFLD patients advance to nonalcoholic steatohepatitis (NASH), along with cell death, inflammation response and fibrogenesis. The pathogenesis of NASH is complex and its development is strongly related to multiple metabolic disorders (e.g. obesity, type 2 diabetes and cardiovascular diseases). The clinical outcomes include liver failure and hepatocellular cancer. There is no FDA-approved NASH drug so far, and thus effective therapeutics are urgently needed. Bile acids are synthesized in hepatocytes, transported into the intestine, metabolized by gut bacteria and recirculated back to the liver by the enterohepatic system. They exert pleiotropic roles in the absorption of fats and regulation of metabolism. Studies on the relevance of bile acid disturbance with NASH render it as an etiological factor in NASH pathogenesis. Recent findings on the functional identification of bile acid receptors have led to a further understanding of the pathophysiology of NASH such as metabolic dysregulation and inflammation, and bile acid receptors are recognized as attractive targets for NASH treatment. In this review, we summarize the current knowledge on the role of bile acids and the receptors in the development of NAFLD and NASH, especially the functions of farnesoid X receptor (FXR) in different tissues including liver and intestine. The progress in the development of bile acid and its receptors-based drugs for the treatment of NASH including bile acid analogs and non-bile acid modulators on bile acid metabolism is also discussed.
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Affiliation(s)
- Ting-Ying Jiao
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Yuan-di Ma
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiao-Zhen Guo
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Yun-Fei Ye
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Cen Xie
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
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50
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Yin X, Xue R, Wu J, Wu M, Xie B, Meng Q. PINK1 ameliorates acute-on-chronic liver failure by inhibiting apoptosis through mTORC2/AKT signaling. Cell Death Dis 2022; 8:222. [PMID: 35461334 PMCID: PMC9035184 DOI: 10.1038/s41420-022-01021-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 04/06/2022] [Accepted: 04/07/2022] [Indexed: 11/09/2022]
Abstract
Acute-on-chronic liver failure (ACLF) is a lethal syndrome with a remarkable short-term death rate. Even worse, effective internal medicine therapies are currently lacking. Increasing evidence indicates apoptosis plays a critical role in the progression of liver failure. PINK1 has an essential function in maintaining cell survival. However, the role and underlying mechanism of PINK1 in apoptosis in ACLF are incompletely understood. Herein, our team discovered that PINK1 remarkably improved ACLF, featured by a reduction in aspartate aminotransferase (AST) and alanine aminotransferase (ALT) and an amelioration in the gross and microscopy histopathology appearance of hepatic tissues. Meanwhile, PINK1 affected cleaved caspase-3 expression via mTORC2/AKT, and this effect was eliminated after further intervention with Rictor or AKT. Overall, these findings indicate that PINK1 participates in the regulation of multiple biological functions, including hepatic cell growth and apoptosis in ACLF via the mTORC2/AKT signaling pathway. The present research offers a solid theory-wise foundation for the clinic applications of PINK1 as a valid target for ACLF treatment to reverse or postpone the development of ACLF.
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Affiliation(s)
- Xuehong Yin
- Department of Critical Care Medicine of Liver Disease, Beijing You-An Hospital, Capital Medical University, Beijing, China
| | - Ran Xue
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Oncology, Peking University Cancer Hospital & Institute, Beijing, China
| | - Jing Wu
- Department of Critical Care Medicine of Liver Disease, Beijing You-An Hospital, Capital Medical University, Beijing, China
| | - Muchen Wu
- Department of Critical Care Medicine of Liver Disease, Beijing You-An Hospital, Capital Medical University, Beijing, China
| | - Bangxiang Xie
- Beijing Institute of Hepatology, Beijing You-An Hospital, Capital Medical University, Beijing, China.
| | - Qinghua Meng
- Department of Critical Care Medicine of Liver Disease, Beijing You-An Hospital, Capital Medical University, Beijing, China.
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