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Tempol Alters Antioxidant Enzyme Function, Modulates Multiple Genes Expression, and Ameliorates Hepatic and Renal Impairment in Carbon Tetrachloride (CCl4)-Intoxicated Rats. LIVERS 2023. [DOI: 10.3390/livers3010010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/10/2023] Open
Abstract
The purpose of this study was to determine the effect of the superoxide dismutase mimic compound “tempol” on liver and renal damage in Long Evans male rats administered with carbon tetrachloride (CCl4). Methods: The antioxidant enzyme activity and oxidative stress parameters were investigated in the liver, kidney, and plasma tissues. Histological examination of the liver and kidney sections affirmed inflammatory cell infiltration, collagen deposition, and iron deposition. RT-PCR was also employed to evaluate the expression of oxidative stress and inflammatory genes. Results: The CCl4-administered rats exhibited increased plasma activities of ALT, AST, and ALP compared to the control rats. The tempol treatment in the CCl4-administered rats significantly lowered ALT, AST, and ALP enzyme activities compared to the CCl4 group. Oxidative stress parameters, such as the MDA, NO, and APOP levels in various tissues of the CCl4-administered rats, showed increased concentrations, whereas tempol significantly lowered the level of oxidative stress. Moreover, CCl4 administration decreased the antioxidant enzyme activities, which were further significantly restored by the tempol treatment. The control rats that underwent treatment with tempol did not present with any abnormality or toxicity. Furthermore, the tempol treatment in the CCl4-administered rats increased Nrf-2-HO-1-mediated gene expression and enhanced related antioxidant enzyme gene expressions. The tempol treatment in the CCl4-administered rats also decreased anti-inflammatory gene expressions in the liver. In histological sections of the liver, CCl4 increased inflammatory cell infiltration, collagen deposition, and iron deposition, which were reduced significantly due to the tempol treatment. Conclusion: The results of this investigation revealed that tempol could protect against liver and kidney damage in CCl4-administered rats by modulating antioxidant gene expressions and restoring antioxidant defense mechanisms.
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Tao R, Han M, Yuan W, Xiao F, Huang J, Wang X, Luo X, Yan W, Wan X, Ning Q. Fibrinogen-like protein 2 promotes proinflammatory macrophage polarization and mitochondrial dysfunction in liver fibrosis. Int Immunopharmacol 2023; 117:109631. [PMID: 36878044 DOI: 10.1016/j.intimp.2022.109631] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 12/08/2022] [Accepted: 12/20/2022] [Indexed: 03/07/2023]
Abstract
Fibrinogen-like protein 2 (Fgl2) robustly activates macrophages in response to infection or inflammatory cytokine challenge and is markedly increased in the liver tissues of liver cirrhosis patientswithhepatitisCvirus(HCV) infection. However, the molecular mechanism underlying the involvement of Fgl2 in macrophage function in the pathogenesis of liver fibrosis remains unclear. In this study, we demonstrated that increased hepatic Fgl2 expression was associated with hepatic inflammation and high-grade liver fibrosis in patients with hepatitis B virus (HBV) infection and experimental models. Genetic ablation of Fgl2 alleviated hepatic inflammation and fibrosis progression. Fgl2 promoted M1 macrophage polarization and increased the production of proinflammatory cytokines that contribute to inflammatory damage and fibrosis development. In addition, Fgl2 augmented mitochondrial reactive oxygen species (ROS) production and modulated mitochondrial functions. Fgl2-mediated mtROS were involved in macrophage activation and polarization. We further demonstrated that in macrophages, Fgl2 localized to not only the cytosol but also mitochondria, where it bound to cytosolic and mitochondrial heat shock protein 90 (HSP90). Mechanistically, Fgl2 interacted with HSP90, hindering the interaction of HSP90 with its target protein Akt, significantly inhibiting Akt phosphorylation and downstream FoxO1 phosphorylation. These results reveal different layers of regulation of Fgl2 that are necessary for inflammatory damage and mitochondrial dysfunction in M1-polarized macrophages. Therefore, Fgl2 may be a potent target in liver fibrosis treatment.
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Affiliation(s)
- Ran Tao
- Department and Institute of Infectious Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Meiwen Han
- Department and Institute of Infectious Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Wei Yuan
- Department and Institute of Infectious Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Fang Xiao
- Department and Institute of Infectious Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Jiaquan Huang
- Department and Institute of Infectious Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xiaojing Wang
- Department and Institute of Infectious Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xiaoping Luo
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Weiming Yan
- Department and Institute of Infectious Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Xiaoyang Wan
- Department and Institute of Infectious Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Qin Ning
- Department and Institute of Infectious Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
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Vargas-Pozada EE, Ramos-Tovar E, Acero-Hernández C, Cardoso-Lezama I, Galindo-Gómez S, Tsutsumi V, Muriel P. The antioxidant and anti-inflammatory activities of caffeine effectively attenuate nonalcoholic steatohepatitis and thioacetamide-induced hepatic injury in male rats. Can J Physiol Pharmacol 2023; 101:147-159. [PMID: 36744700 DOI: 10.1139/cjpp-2022-0303] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The antioxidant effect of caffeine, associated with its ability to upregulate the nuclear factor-E2-related factor-2 (Nrf2)-signaling pathway, was explored as a possible mechanism for the attenuation of liver damage. Nonalcoholic steatohepatitis (NASH) was induced in rats by the administration of a high-fat, high-sucrose, high-cholesterol diet (HFSCD) for 15 weeks. Liver damage was induced in rats by intraperitoneal administration of thioacetamide (TAA) for six weeks. Caffeine was administered orally at a daily dose of 50 mg/kg body weight during the period of NASH induction to evaluate its ability to prevent disease development. Meanwhile, rats received TAA for three weeks, after which 50 mg/kg caffeine was administered daily for three weeks with TAA to evaluate its capacity to interfere with the progression of hepatic injury. HFSCD administration induced hepatic steatosis, decreased Nrf2 levels, increased oxidative stress, induced the activation of nuclear factor-κB (NF-κB), and elevated proinflammatory cytokine levels, leading to hepatic damage. TAA administration produced similar effects, excluding steatosis. Caffeine increased Nrf2 levels; attenuated oxidative stress markers, including malondialdehyde and 4-hydroxynonenal; restored normal, reduced glutathione levels; and reduced NF-κB activation, inflammatory cytokine levels, and damage. Our findings suggest that caffeine may be useful in the treatment of human liver diseases.
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Affiliation(s)
- Eduardo E Vargas-Pozada
- Laboratory of Experimental Hepatology, Department of Pharmacology, Cinvestav-IPN, Mexico City 14-740, Mexico
| | - Erika Ramos-Tovar
- Postgraduate Studies and Research Section, School of Higher Education in Medicine-IPN, Plan de San Luis y Díaz Mirón s/n, Casco de Santo Tomás, Mexico City 11340, Mexico
| | - Consuelo Acero-Hernández
- Laboratory of Experimental Hepatology, Department of Pharmacology, Cinvestav-IPN, Mexico City 14-740, Mexico
| | - Irina Cardoso-Lezama
- Laboratory of Experimental Hepatology, Department of Pharmacology, Cinvestav-IPN, Mexico City 14-740, Mexico
| | - Silvia Galindo-Gómez
- Department of Infectomics and Molecular Pathogenesis, Cinvestav-IPN, Mexico City 14-740, Mexico
| | - Víctor Tsutsumi
- Department of Infectomics and Molecular Pathogenesis, Cinvestav-IPN, Mexico City 14-740, Mexico
| | - Pablo Muriel
- Laboratory of Experimental Hepatology, Department of Pharmacology, Cinvestav-IPN, Mexico City 14-740, Mexico
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Zhang C, Shao Q, Liu M, Wang X, Loor JJ, Jiang Q, Cuan S, Li X, Wang J, Li Y, He L, Huang Y, Liu G, Lei L. Liver fibrosis is a common pathological change in the liver of dairy cows with fatty liver. J Dairy Sci 2023; 106:2700-2715. [PMID: 36823013 DOI: 10.3168/jds.2022-22021] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 10/24/2022] [Indexed: 02/23/2023]
Abstract
Fatty liver (i.e., hepatic lipidosis) is a prevalent metabolic disorder in dairy cows during the transition period, characterized by excess hepatic accumulation of triglyceride (TG), tissue dysfunction, and cell death. Detailed pathological changes, particularly hepatic fibrosis, during fatty liver remain to be determined. Liver fibrosis occurs as a consequence of liver damage, resulting from the excessive accumulation of extracellular matrix, which distorts the architecture of the normal liver, compromising its normal synthetic and metabolic functions. Thus, we aimed to investigate liver fibrosis status and its potential causal factors including oxidative stress, hepatocyte apoptosis, and production of inflammatory cytokines in the liver of cows with fatty liver. Forty-five dairy cows (parity, 3-5) were selected, and liver biopsy and blood were collected on the second week postpartum (days in milk, 10-14 d). On the basis of the degree of lipid accumulation in liver, selected cows were categorized into normal (n = 25; TG <1% wet wt), mild fatty liver (n = 15; 1% ≤ TG <5% wet wt), and moderate fatty liver (n = 5; 5% ≤ TG <10% wet wt). Compared with normal cows, blood concentrations of nonesterified fatty acids and β-hydroxybutyrate, along with alanine aminotransferase and aspartate aminotransferase activities, were greater in the cows with fatty liver (mild and moderate). Hepatic extracellular matrix deposition, as indicated by Picrosirius red staining, was greater in cows with fatty liver than those with normal ones. In addition, we observed an increased proportion of collagen type I fiber in extracellular matrix with increased lipid accumulation in the liver. Compared with normal cows, the area of α-smooth muscle actin (α-SMA)-positive staining along with the mRNA abundance of collagen type I α 1 (COL1A1), ACTA2 (gene encoding α-SMA), and transforming growth factor-β (TGFB) were greater in cows with fatty liver. Compared with normal cows, hepatic contents of malondialdehyde, glutathione disulfide, and 8-isoprostane were greater, whereas total antioxidant capacity, the hepatic content of glutathione, and activities of antioxidant indicators, including superoxide dismutase, glutathione peroxidase, and catalase, were lower in cows with fatty liver. The number of terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling-positive cells and abundance of apoptosis-related molecules BAX, CASP3, CASP8, and CASP9 were greater in cows with fatty liver. However, mRNA abundance of the anti-apoptotic gene BCL2 did not differ. The mRNA abundance of pro-inflammatory cytokines including tumor necrosis factor-α (TNFA), interleukin-1β (IL1B), and interleukin-6 (IL6) was greater in the liver of cows with fatty liver. Overall, the present study indicated that fibrosis is a common pathological response to liver damage and is associated with oxidative stress, hepatocyte death, and inflammation.
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Affiliation(s)
- Cai Zhang
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Qi Shao
- Key Laboratory of Zoonosis, Ministry of Education, College of Veterinary Medicine, Jilin University, 5333 Xi'an Road, Changchun, 130062, Jilin, China
| | - Mingchao Liu
- College of Veterinary Medicine, Hebei Agricultural University, Baoding, 071001, China
| | - Xueying Wang
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Juan J Loor
- Mammalian NutriPhysioGenomics, Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - Qianming Jiang
- Mammalian NutriPhysioGenomics, Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - Shunan Cuan
- College of Biological and Pharmaceutical Engineering, West Anhui University, Lu'an 237012, China
| | - Xinwei Li
- Key Laboratory of Zoonosis, Ministry of Education, College of Veterinary Medicine, Jilin University, 5333 Xi'an Road, Changchun, 130062, Jilin, China
| | - Jianguo Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shanxi, China
| | - Yuanxiao Li
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Lei He
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Yong Huang
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Guowen Liu
- Key Laboratory of Zoonosis, Ministry of Education, College of Veterinary Medicine, Jilin University, 5333 Xi'an Road, Changchun, 130062, Jilin, China.
| | - Lin Lei
- Key Laboratory of Zoonosis, Ministry of Education, College of Veterinary Medicine, Jilin University, 5333 Xi'an Road, Changchun, 130062, Jilin, China.
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Cheng PN, Sun HY, Feng IC, Wang ST, Chiu YC, Chiu HC, Chien SC, Young KC. Post-therapeutic reversibility of oxidative-stress markers in chronic hepatitis C patients receiving direct-acting antiviral agents. J Virus Erad 2023; 9:100318. [PMID: 37065432 PMCID: PMC10091014 DOI: 10.1016/j.jve.2023.100318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 12/08/2022] [Accepted: 02/19/2023] [Indexed: 02/27/2023] Open
Abstract
Introduction Hepatitis C (HCV) is associated with extra-hepatic involvment, morbidity as well as metabolic changes. Whether these might be reversible if sustained virologic response (SVR) is achieved by direct-acting antiviral (DAA) therapy remains unknown. Methods Chronic hepatitis C (CHC) individuals receiving DAA treatment with SVR were compared to those who underwent spontaneous clearance (SC) of HCV infection at the 2-year follow-up. Plasma oxidative stress markers (oxidized low-density lipoprotein (oxLDL), 8-hydroxy-2'-deoxyguanosine (8-OHdG), malondialdehyde (MDA) and ischemia-modified albumin (IMA)) as well as progression of liver fibrosis were evaluated. Results Compared to SC individuals, those in the CHC group exhibited at baseline higher levels of oxLDL, 8-OHdG and IMA but not of MDA. In the SC group, 8-OHdG levels were elevated at 2-year post-SVR (p = 0.0409), while the DAA-treated CHC group showed decrease in oxLDL (p < 0.0001) and 8-OHdG (p = 0.0255) levels, approaching those of the SC group, but increased MDA (p = 0.0055) levels. Additionally, oxLDL levels were positively correlated with liver stiffness measurements at SVR (p = 0.017) and at 1 year post- SVR (p = 0.002). Conclusions Plasma oxLDL showed post-SVR normalization after clearance of HCV viremia with DAAs and was associated with levels of hepatic fibrosis.
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Affiliation(s)
- Pin-Nan Cheng
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Hung-Yu Sun
- Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Center of Infectious Disease and Signaling Research, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - I-Che Feng
- Department of Internal Medicine, Chi-Mei Medical Center, Tainan, Taiwan
| | - Sin-Tian Wang
- Department of Medical Laboratory Science and Biotechnology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yen-Cheng Chiu
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Hung-Chih Chiu
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Shih-Chieh Chien
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Kung-Chia Young
- Center of Infectious Disease and Signaling Research, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Medical Laboratory Science and Biotechnology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Corresponding author. Department of Medical Laboratory Science and Biotechnology, College of Medicine, National Cheng Kung University, No. 1 University Rd, Tainan, 70101, Taiwan.
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Chen H, Tu M, Liu S, Wen Y, Chen L. Dendrobine Alleviates Cellular Senescence and Osteoarthritis via the ROS/NF-κB Axis. Int J Mol Sci 2023; 24:ijms24032365. [PMID: 36768689 PMCID: PMC9916903 DOI: 10.3390/ijms24032365] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/12/2023] [Accepted: 01/19/2023] [Indexed: 01/27/2023] Open
Abstract
Osteoarthritis (OA) is a degenerative joint disease characterized by low-grade inflammation and cartilage degradation. Dendrobine (DEN) is reported to inhibit inflammation and oxidative stress in some diseases, but its role in chondrocyte senescence and OA progress has not yet been elucidated. Our study aimed to explore the protective effects of DEN on OA both in vitro and in vivo. We found that DEN inhibited extracellular matrix (ECM) degradation and promoted ECM synthesis. Meanwhile, DEN inhibited senescence-associated secretory phenotype (SASP) factors expression and senescence phenotype in IL-1β-treated chondrocytes. Furthermore, DEN improved mitochondrial function and reduced the production of intracellular reactive oxygen species (ROS). Also, DEN suppressed IL-1β-induced activation of the NF-κB pathway. Further, using NAC (ROS inhibitor), we found that DEN might inhibit NF-κB cascades by reducing ROS. Additionally, X-ray, micro-CT, and histological analyses in vivo demonstrated that DEN significantly alleviated cartilage inflammation, ECM degradation, and subchondral alterations in OA progression. In conclusion, DEN inhibits SASP factors expression and senescence phenotype in chondrocytes and alleviated the progression of OA via the ROS/NF-κB axis, which provides innovative strategies for the treatment of OA.
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Nokkeaw A, Thamjamrassri P, Tangkijvanich P, Ariyachet C. Regulatory Functions and Mechanisms of Circular RNAs in Hepatic Stellate Cell Activation and Liver Fibrosis. Cells 2023; 12:cells12030378. [PMID: 36766720 PMCID: PMC9913196 DOI: 10.3390/cells12030378] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 01/06/2023] [Accepted: 01/09/2023] [Indexed: 01/22/2023] Open
Abstract
Chronic liver injury induces the activation of hepatic stellate cells (HSCs) into myofibroblasts, which produce excessive amounts of extracellular matrix (ECM), resulting in tissue fibrosis. If the injury persists, these fibrous scars could be permanent and disrupt liver architecture and function. Currently, effective anti-fibrotic therapies are lacking; hence, understanding molecular mechanisms that control HSC activation could hold a key to the development of new treatments. Recently, emerging studies have revealed roles of circular RNAs (circRNAs), a class of non-coding RNAs that was initially assumed to be the result of splicing errors, as new regulators in HSC activation. These circRNAs can modulate the activity of microRNAs (miRNAs) and their interacting protein partners involved in regulating fibrogenic signaling cascades. In this review, we will summarize the current knowledge of this class of non-coding RNAs for their molecular function in HSC activation and liver fibrosis progression.
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Affiliation(s)
- Archittapon Nokkeaw
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
- Center of Excellence in Hepatitis and Liver Cancer, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
- Medical Biochemistry Program, Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Pannathon Thamjamrassri
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
- Center of Excellence in Hepatitis and Liver Cancer, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
- Medical Biochemistry Program, Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Pisit Tangkijvanich
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
- Center of Excellence in Hepatitis and Liver Cancer, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
- Correspondence: (P.T.); (C.A.)
| | - Chaiyaboot Ariyachet
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
- Center of Excellence in Hepatitis and Liver Cancer, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
- Correspondence: (P.T.); (C.A.)
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Vargas-Pozada EE, Ramos-Tovar E, Rodriguez-Callejas JD, Cardoso-Lezama I, Galindo-Gómez S, Gil-Becerril K, Vásquez-Garzón VR, Arellanes-Robledo J, Tsutsumi V, Villa-Treviño S, Muriel P. Activation of the NLRP3 inflammasome by CCl 4 exacerbates hepatopathogenic diet-induced experimental NASH. Ann Hepatol 2023; 28:100780. [PMID: 36309184 DOI: 10.1016/j.aohep.2022.100780] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/12/2022] [Accepted: 10/13/2022] [Indexed: 02/04/2023]
Abstract
INTRODUCTION AND OBJECTIVES Administration of carbon tetrachloride (CCl4), along with an hepatopathogenic diet, is widely employed as a chemical inducer to replicate human nonalcoholic steatohepatitis (NASH) in rodents; however, the role of the nucleotide-binding domain, leucine-rich-containing family, pyrin domain-containing-3 (NLRP3) inflammasome in this model remains unclear. We aimed to determine the relevance of NLRP3 inflammasome activation in the development of NASH induced by CCl4 along with an hepatopathogenic diet in male Wistar rats. MATERIALS AND METHODS Animals were fed either a high fat, sucrose, and cholesterol diet (HFSCD) or a HFSCD plus intraperitoneal injections of low doses of CCl4 (400 mg/kg) once a week for 15 weeks. Liver steatosis, inflammation, fibrosis, and NLRP3 inflammasome activation were evaluated using biochemical, histological, ultrastructural, and immunofluorescence analyses, western blotting, and immunohistochemistry. RESULTS Our experimental model reproduced several aspects of the human NASH pathophysiology. NLRP3 inflammasome activation was induced by the combined effect of HFSCD plus CCl4 and significantly increased levels of both proinflammatory and profibrogenic cytokines and collagen deposition in the liver; thus, NASH severity was higher in the HFSCD+CCl4 group than that in the HFSCD group, to which CCl4 was not administered. Hepatic stellate cells, the most profibrogenic cells, were activated by HFSCD plus CCl4, as indicated by elevated levels of α-smooth muscle actin. Thus, activation of the NLRP3 inflammasome, triggered by low doses of CCl4, exacerbates the severity of NASH. CONCLUSIONS Our results indicate that NLRP3 inflammasome activation plays a key role and may be an important therapeutic target for NASH treatment.
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Affiliation(s)
- Eduardo E Vargas-Pozada
- Laboratory of Experimental Hepatology, Department of Pharmacology, Cinvestav-IPN, Apartado Postal 14-740, Mexico City, Mexico
| | - Erika Ramos-Tovar
- Postgraduate Studies and Research Section, School of Higher Education in Medicine-IPN, Apartado Postal 11340, Plan de San Luis y Díaz Mirón s/n, Casco de Santo Tomás, Mexico City, Mexico
| | - Juan D Rodriguez-Callejas
- Laboratory of Neuroplasticity and Neurodegeneration, Department of Pharmacology, Cinvestav-IPN, Apartado Postal 14-740, Mexico City, Mexico
| | - Irina Cardoso-Lezama
- Laboratory of Experimental Hepatology, Department of Pharmacology, Cinvestav-IPN, Apartado Postal 14-740, Mexico City, Mexico
| | - Silvia Galindo-Gómez
- Department of Infectomics and Molecular Pathogenesis, Cinvestav-IPN, Apartado Postal 14-740, Mexico City, Mexico
| | - Karla Gil-Becerril
- Department of Infectomics and Molecular Pathogenesis, Cinvestav-IPN, Apartado Postal 14-740, Mexico City, Mexico
| | - Verónica Rocío Vásquez-Garzón
- Laboratory of Fibrosis and Cancer, Faculty of Medicine and Surgery. 'Benito Juárez' Autonomous University of Oaxaca, UABJO. Oaxaca, Mexico; National Council of Science and Technology CONACYT. Mexico City, Mexico
| | - Jaime Arellanes-Robledo
- Laboratory of Liver Diseases; National Institute of Genomic Medicine, INMEGEN. Directorate of Catedras; National Council of Science and Technology, CONACYT. Mexico City, Mexico
| | - Víctor Tsutsumi
- Department of Infectomics and Molecular Pathogenesis, Cinvestav-IPN, Apartado Postal 14-740, Mexico City, Mexico
| | - Saúl Villa-Treviño
- Department of Cell Biology; Cinvestav-IPN, Apartado Postal 14-740, Mexico City, Mexico
| | - Pablo Muriel
- Laboratory of Experimental Hepatology, Department of Pharmacology, Cinvestav-IPN, Apartado Postal 14-740, Mexico City, Mexico.
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Liu Z, Deng P, Liu S, Bian Y, Xu Y, Zhang Q, Wang H, Pi J. Is Nuclear Factor Erythroid 2-Related Factor 2 a Target for the Intervention of Cytokine Storms? Antioxidants (Basel) 2023; 12:antiox12010172. [PMID: 36671034 PMCID: PMC9855012 DOI: 10.3390/antiox12010172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 01/08/2023] [Accepted: 01/09/2023] [Indexed: 01/13/2023] Open
Abstract
The term "cytokine storm" describes an acute pathophysiologic state of the immune system characterized by a burst of cytokine release, systemic inflammatory response, and multiple organ failure, which are crucial determinants of many disease outcomes. In light of the complexity of cytokine storms, specific strategies are needed to prevent and alleviate their occurrence and deterioration. Nuclear factor erythroid 2-related factor 2 (NRF2) is a CNC-basic region-leucine zipper protein that serves as a master transcription factor in maintaining cellular redox homeostasis by orchestrating the expression of many antioxidant and phase II detoxification enzymes. Given that inflammatory response is intertwined with oxidative stress, it is reasonable to assume that NRF2 activation limits inflammation and thus cytokine storms. As NRF2 can mitigate inflammation at many levels, it has emerged as a potential target to prevent and treat cytokine storms. In this review, we summarized the cytokine storms caused by different etiologies and the rationale of interventions, focusing mainly on NRF2 as a potential therapeutic target.
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Affiliation(s)
- Zihang Liu
- The First Department of Clinical Medicine, China Medical University, Shenyang 110122, China
| | - Panpan Deng
- The First Department of Clinical Medicine, China Medical University, Shenyang 110122, China
| | - Shengnan Liu
- Program of Environmental Toxicology, School of Public Health, China Medical University, Shenyang 110122, China
| | - Yiying Bian
- Program of Environmental Toxicology, School of Public Health, China Medical University, Shenyang 110122, China
| | - Yuanyuan Xu
- Group of Chronic Disease and Environmental Genomics, School of Public Health, China Medical University, Shenyang 110122, China
| | - Qiang Zhang
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA 30322, USA
| | - Huihui Wang
- Group of Chronic Disease and Environmental Genomics, School of Public Health, China Medical University, Shenyang 110122, China
- Correspondence: (H.W.); or (J.P.)
| | - Jingbo Pi
- Program of Environmental Toxicology, School of Public Health, China Medical University, Shenyang 110122, China
- Correspondence: (H.W.); or (J.P.)
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Xiao S, Pan X, Huang X, Liu Y, Wen SW, Liu A. Gene polymorphisms of inflammatory factors in liver cirrhosis. Front Genet 2023; 14:1140427. [PMID: 37101651 PMCID: PMC10123281 DOI: 10.3389/fgene.2023.1140427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 03/27/2023] [Indexed: 04/28/2023] Open
Abstract
Introduction: Studies on the association between gene polymorphisms of various inflammatory factors and liver cirrhosis have been inconsistent. The purpose of this study was to comprehensively summarize the available evidence on the association between gene polymorphisms of inflammatory factors and liver cirrhosis through a systematic review. Methods: We searched databases of PubMed, EMBASE, Web of Science, and the Cochrane Library for relevant articles published from building databases to 25 September 2022. A systematic review and meta-analysis were performed to investigate the association between gene polymorphisms of various inflammatory factors and liver cirrhosis. Odds ratios (OR) and 95% confidence intervals (CI) were used to assess the strength of association. Results: A total of 43 articles were included in the systematic review and of them, 22 articles were included in the meta-analysis. The gene polymorphisms of IL-10-1082 GA + AA vs. GG (OR = 1.43, 95% CI = 1.12-1.83), IL-10-1082 AA vs. GG (OR = 2.03, 95% CI = 1.36-3.02), IL-18 -137 GG vs. CC (OR = 3.84, 95% CI = 1.29-11.40), TGF-β1 -509 T vs. C (OR = 2.52, 95% CI = 1.42-4.48), and IFN-γ +874 T vs. A (OR = 1.98, 95% CI = 1.32-2.98) were associated with liver cirrhosis significantly and no association was observed in other gene polymorphisms included in the meta-analysis. The review of inflammatory factors gene polymorphisms that were only reported by a single study indicated 19 gene polymorphisms were risk factors and 4 gene polymorphisms were protective factors for liver cirrhosis, while the association between other 27 gene polymorphisms and liver cirrhosis were not statistically significant. Discussion: This study suggests that IL-10 -1082G/A, IL-18 -137G/C, TGF-β1 -509T/C, and IFN-γ +874T/A were potentially associated with the risk of liver cirrhosis susceptibility. These findings may provide comprehensive evidence for genetic susceptibility and immunogenetic pathology of liver cirrhosis.
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Affiliation(s)
- Sailan Xiao
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Xiongfeng Pan
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Xun Huang
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Yamin Liu
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Shi Wu Wen
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
- Department of Obstetrics and Gynaecology, University of Ottawa Faculty of Medicine, Ottawa, ON, Canada
- School of Epidemiology and Public Health, University of Ottawa Faculty of Medicine, Ottawa, ON, Canada
| | - Aizhong Liu
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Xiangya School of Public Health, Central South University, Changsha, China
- *Correspondence: Aizhong Liu,
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Mapoung S, Semmarath W, Arjsri P, Thippraphan P, Srisawad K, Umsumarng S, Phromnoi K, Jamjod S, Prom-u-Thai C, Dejkriengkraikul P. Comparative analysis of bioactive-phytochemical characteristics, antioxidants activities, and anti-inflammatory properties of selected black rice germ and bran ( Oryza sativa L.) varieties. Eur Food Res Technol 2023; 249:451-464. [PMID: 36246093 PMCID: PMC9547098 DOI: 10.1007/s00217-022-04129-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/23/2022] [Accepted: 09/24/2022] [Indexed: 12/01/2022]
Abstract
Black rice has numerous health benefits and one of the well-known functional foods throughout the world. To encourage the increasing trend of the consumer interest in health-promoting functional foods, special varieties of rice have been developed offering greater nutrient values and exhibiting biological activities that are beneficial to the consumer. In this study, we aimed to evaluate the associations of the phytochemical contents, antioxidants, and anti-inflammatory properties among eight selected black rice germ and bran extracts (BR extracts) from 4 non-glutinous and 4 glutinous rice varieties. Accordingly, glutinous BR extracts possessed higher degree of Cyanidin-3-O-glucoside (C3G), Peonidin-3-O-glucoside (P3G) contents, antioxidant and anti-inflammatory properties than the non-glutinous BR extracts. Pearson's correlation indicated that the amount of C3G in the BR extracts had a strong positive association with the antioxidant properties (DPPH; r = 0.846, ABTS; r = 0.923, and FRAP; r = 0.958, p < 0.01). While P3G exhibited a strong positive association with the anti-inflammatory properties (r value = 0.717 and 0.797 for IL-6 and TNF-α inhibition, respectively, p < 0.05). Lastly, the principal component analysis (PCA) categorized the black rice varieties into three groups: Group A with high C3G content and superior antioxidant properties, Groups B with a high amount of P3G and potent anti-inflammatory properties, and Group C with a lower amount of phytochemical contents and less potent bioactivities. Overall, the outcomes of this study could provide vital information to food industries in selecting the variety of black rice for the functional food based on the anthocyanin contents that could benefit to consumers for new normal healthy lifestyle.
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Affiliation(s)
- Sariya Mapoung
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand ,Center for Research and Development of Natural Products for Health, Chiang Mai University, Chiang Mai, Thailand
| | - Warathit Semmarath
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand ,Center for Research and Development of Natural Products for Health, Chiang Mai University, Chiang Mai, Thailand ,Akkraratchkumari Veterinary College, Walailak University, Nakhon Si Thammarat, 80160 Thailand
| | - Punnida Arjsri
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand ,Center for Research and Development of Natural Products for Health, Chiang Mai University, Chiang Mai, Thailand
| | - Pilaiporn Thippraphan
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand ,Center for Research and Development of Natural Products for Health, Chiang Mai University, Chiang Mai, Thailand
| | - Kamonwan Srisawad
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand ,Anticarcinogenesis and Apoptosis Research Cluster, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Sonthaya Umsumarng
- Center for Research and Development of Natural Products for Health, Chiang Mai University, Chiang Mai, Thailand ,Division of Veterinary Preclinical Sciences, Department of Veterinary Biosciences and Veterinary Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Kanokkarn Phromnoi
- Division of Biochemistry, School of Medical Sciences, University of Phayao, Phayao, Thailand
| | - Sansanee Jamjod
- Lanna Rice Research Center, Chiang Mai University, Chiang Mai, Thailand
| | | | - Pornngarm Dejkriengkraikul
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand ,Center for Research and Development of Natural Products for Health, Chiang Mai University, Chiang Mai, Thailand ,Anticarcinogenesis and Apoptosis Research Cluster, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand ,Lanna Rice Research Center, Chiang Mai University, Chiang Mai, Thailand
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Nasehi Z, Kheiripour N, Taheri MA, Ardjmand A, Jozi F, Shahaboddin ME. Efficiency of Hesperidin against Liver Fibrosis Induced by Bile Duct Ligation in Rats. BIOMED RESEARCH INTERNATIONAL 2023; 2023:5444301. [PMID: 37082190 PMCID: PMC10113046 DOI: 10.1155/2023/5444301] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/12/2022] [Accepted: 06/17/2022] [Indexed: 04/22/2023]
Abstract
Introduction Bile duct ligation (BDL) and subsequent cholestasis are associated with oxidative stress and liver injury and fibrosis. Hesperidin (3,5,7-trihydroxyflavanone 7-rhamnoglucoside) is a flavanone glycoside abundant in citrus fruits. It has positive effects on diabetic retinopathy, reduced platelet aggregation, and blood flow alterations and has the potential to reduce liver injury in oxidative stress. The aim of this study was to evaluate the hepatoprotective effects of hesperidin on BDL-induced liver injury in rats. Methods A total of 48 adult male Wistar rats were equally allocated to six eight-rat groups, namely, a healthy group, a sham group, a BDL+Vehicle group (BDL plus treatment with distilled water), a BDL+VitC group (BDL plus treatment with vitamin C 4.25 μg/kg), a BDL+Hesp100 group (BDL plus treatment with hesperidin 100 mg/kg/day), and a BDL+Hesp200 group (BDL plus treatment with hesperidin 200 mg/kg/day). Treatments were orally provided for 21 consecutive days. Finally, rats were sacrificed through heart blood sampling. Blood samples were centrifuged, and liver function, oxidative stress, and antioxidant parameters were assessed. Liver tissue was also assessed for oxidative stress, antioxidant, and histological parameters. The expression of inflammatory genes, namely, TGFβ1, iNOS, Caspase-3, and α-SMA, was measured through polymerase chain reaction. Findings. Hesperidin supplementation was associated with significant decrease in the levels of liver enzymes, bilirubin, nitric oxide, malondialdehyde, protein carbonyl, and inflammatory gene expression; significant increase in the levels of total antioxidant capacity, glutathione, and superoxide dismutase and catalase enzyme activity; and significant improvement in the histological morphology and structure of the liver parenchyma. Conclusion Hesperidin has significant positive effects on liver morphology and structure, inflammation, fibrosis, and oxidative stress in rats with BDL-induced cholestatic liver injury.
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Affiliation(s)
- Zahra Nasehi
- Department of Clinical Biochemistry, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Nejat Kheiripour
- Institute for Basic Sciences, Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
| | - Maryam Akhavan Taheri
- Institute for Basic Sciences, Anatomical Sciences Research Center, Kashan University of Medical Sciences, Kashan, Iran
| | - Abolfazl Ardjmand
- Institute for Basic Sciences, Physiology Research Center, Kashan University of Medical Sciences, Kashan, Iran
| | - Faezeh Jozi
- Department of Clinical Biochemistry, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Mohammad Esmaeil Shahaboddin
- Department of Clinical Biochemistry, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Institute for Basic Sciences, Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
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Dhage PA, Sharbidre AA, Magdum SM. Interlacing the relevance of caspase activation in the onset and progression of Alzheimer's disease. Brain Res Bull 2023; 192:83-92. [PMID: 36372374 DOI: 10.1016/j.brainresbull.2022.11.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 11/03/2022] [Accepted: 11/09/2022] [Indexed: 11/13/2022]
Abstract
Caspases, a family of cysteine proteases is a renowned regulator of apoptosis. Members of this family are responsible for the proteolytic dismantling of numerous cellular structures. Apart from apoptosis, caspases remarkably contribute to a diverse range of molecular processes. Being the imperative members of several cellular cascades their abnormal activation/deactivation has severe implications and also leads to various diseased conditions. Similar aberrant activation of caspases is one of the several causes of neuropathologies associated with Alzheimer's disease (AD), a form of dementia severely affecting neuropsychiatric and cognitive functions. Emerging studies are providing deeper insights into the mechanisms of caspase action in the progression of AD. Current article is an attempt to review these studies and present the action mechanisms of different mammalian caspases in the advancement of AD associated neuropathologies.
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Affiliation(s)
- Prajakta A Dhage
- Department of Zoology, K.R.T. Arts, B.H. Commerce and A.M. Science College (KTHM College), Nashik 422002, MS, India.
| | - Archana A Sharbidre
- Department of Zoology, Savitribai Phule Pune University, Pune 411007, MS, India.
| | - Sujata M Magdum
- Department of Zoology, K.R.T. Arts, B.H. Commerce and A.M. Science College (KTHM College), Nashik 422002, MS, India.
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Bozhkov AI, Novikova AV, Klimova EM, Ionov IA, Akzhyhitov RA, Kurhuzova NI, Bilovetska SG, Moskalov VB, Haiovyi SS. Vitamin A Reduces the Mortality of Animals with Induced Liver Fibrosis by Providing a Multi-level Body Defense System. J Clin Exp Hepatol 2023; 13:48-63. [PMID: 36647402 PMCID: PMC9840181 DOI: 10.1016/j.jceh.2022.09.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 09/26/2022] [Indexed: 11/07/2022] Open
Abstract
Background Liver diseases remain the most important medical and biological problem. Works devoted to the study of the vitamin A role have shown conflicting results of its effect on the fibrosis development. We tested the hypothesis that an increase of the copper content in the liver, an example of which is Wilson's disease, shifts the balance in the redox system towards pro-oxidants, which leads to the antioxidant systems inhibition, including a decrease in the vitamin A content; this affects the levels of liver function regulation and the development of fibrosis. Methods In animals with Cu-induced liver fibrosis, neutrophil activity, the immunocompetent cells content, the activity of alanine aminotransferase and γ-glutamylaminotransferase, the content of urea and creatinine in blood serum, as well as the vitamin A content in the liver, copper ions and its regenerative potential were determined. Results It was found that three consecutive injections of copper sulfate to animals with an interval of 48 h between injections led to the death of 40% of the animals, and 60% showed resistance. The content of vitamin A in "resistant" animals at the beginning of the development of the fibrosis was reduced by 4 times compared to the control, the functional activity of the liver was somewhat reduced, and a connective tissue capsule was formed around the liver lobes in 75% of the animals. If animals with the initial stage of liver fibrosis received daily vitamin A at a dose of 300 IU/100 g of body weight, which was accompanied by its multiple increase in the liver (15 times on day 14), the mortality of animals decreased by almost 7 times, the functional activity of the liver did not differ from control. In the blood of these animals, the number of leukocytes, granulocytes, and monocytes was increased and phagocytic activity was increased. At the same time, the connective tissue capsule was developed more intensively than in animals receiving only copper sulfate, and was detected in 91% of the animals. Fragments of the liver, even more than in the case of fibrosis, lost the ability to regenerate in culture. Conclusion We came to the conclusion that vitamin A leads to the connective tissue "specialization" formation of the liver and triggers vicious circles of metabolism and includes several levels of regulation systems. Further studies of the vitamin A effect mechanisms on the liver with fibrosis will allow the use of this antioxidant in the treatment.
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Affiliation(s)
- Anatoly I. Bozhkov
- Biology Research Institute V. N. Karazin Kharkiv National University, 4 Pl. Svobody, 61022 Kharkiv, Ukraine
| | - Anna V. Novikova
- Biology Research Institute V. N. Karazin Kharkiv National University, 4 Pl. Svobody, 61022 Kharkiv, Ukraine
| | - Elena M. Klimova
- Biology Research Institute V. N. Karazin Kharkiv National University, 4 Pl. Svobody, 61022 Kharkiv, Ukraine
- State Institution Zaycev V. T. Institute of General and Urgent Surgery of National Academy of Medical Sciences of Ukraine, 61103 Kharkiv, Ukraine
| | - Igor A. Ionov
- H. S. Skovoroda Kharkiv National Pedagogical University, 29, Alchevskyh (Artema) Str., 61002 Kharkiv, Ukraine
| | - Rustam A. Akzhyhitov
- Biology Research Institute V. N. Karazin Kharkiv National University, 4 Pl. Svobody, 61022 Kharkiv, Ukraine
| | - Nataliia I. Kurhuzova
- Biology Research Institute V. N. Karazin Kharkiv National University, 4 Pl. Svobody, 61022 Kharkiv, Ukraine
| | - Svitlana G. Bilovetska
- Biology Research Institute V. N. Karazin Kharkiv National University, 4 Pl. Svobody, 61022 Kharkiv, Ukraine
| | - Vitalii B. Moskalov
- Biology Research Institute V. N. Karazin Kharkiv National University, 4 Pl. Svobody, 61022 Kharkiv, Ukraine
| | - Stanislav S. Haiovyi
- Biology Research Institute V. N. Karazin Kharkiv National University, 4 Pl. Svobody, 61022 Kharkiv, Ukraine
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Alcohol consumption and metabolic syndrome: Clinical and epidemiological impact on liver disease. J Hepatol 2023; 78:191-206. [PMID: 36063967 DOI: 10.1016/j.jhep.2022.08.030] [Citation(s) in RCA: 50] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 08/04/2022] [Accepted: 08/19/2022] [Indexed: 02/01/2023]
Abstract
Alcohol use and metabolic syndrome are highly prevalent in the population and frequently co-exist. Both are implicated in a large range of health problems, including chronic liver disease, hepatocellular carcinoma, and liver-related outcomes (i.e. decompensation or liver transplantation). Studies have yielded mixed results regarding the effects of mild-moderate alcohol consumption on the risk of metabolic syndrome and fatty liver disease, possibly due to methodological differences. The few available prospective studies have indicated that mild-moderate alcohol use is associated with an increase in liver-related outcomes. This conclusion was substantiated by systems biology analyses suggesting that alcohol and metabolic syndrome may play a similar role in fatty liver disease, potentiating an already existing dysregulation of common vital homeostatic pathways. Alcohol and metabolic factors are independently and jointly associated with liver-related outcomes. Indeed, metabolic syndrome increases the risk of liver-related outcomes, regardless of alcohol intake. Moreover, the components of metabolic syndrome appear to have additive effects when it comes to the risk of liver-related outcomes. A number of population studies have implied that measures of central/abdominal obesity, such as the waist-to-hip ratio, can predict liver-related outcomes more accurately than BMI, including in individuals who consume harmful quantities of alcohol. Many studies even point to synergistic interactions between harmful alcohol use and many metabolic components. This accumulating evidence showing independent, combined, and modifying effects of alcohol and metabolic factors on the onset and progression of chronic liver disease highlights the multifactorial background of liver disease in the population. The available evidence suggests that more holistic approaches could be useful for risk prediction, diagnostics and treatment planning.
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Ivermectin Attenuates CCl 4-Induced Liver Fibrosis in Mice by Suppressing Hepatic Stellate Cell Activation. Int J Mol Sci 2022; 23:ijms232416043. [PMID: 36555680 PMCID: PMC9782196 DOI: 10.3390/ijms232416043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 12/04/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Liver fibrosis, a common liver dysfunction with high morbidity and mortality rates, is the leading cause of cirrhosis and hepatocellular carcinoma, for which there are no effective therapies. Ivermectin is an antiparasitic drug that also has been showing therapeutic actions in many other diseases, including antiviral and anticancer actions, as well as treating metabolic diseases. Herein, we evaluated the function of ivermectin in regulating liver fibrosis. Firstly, carbon tetrachloride (CCl4)-injected Balb/c mice were used to assess the antifibrosis effects of ivermectin in vivo. Further, CFSC, a rat hepatic stellate cell (HSC) line, was used to explore the function of ivermectin in HSC activation in vitro. The in vivo data showed that ivermectin administration alleviated histopathological changes, improved liver function, reduced collagen deposition, and downregulated the expression of profibrotic genes. Mechanistically, the ivermectin treatment inhibited intrahepatic macrophage accumulation and suppressed the production of proinflammatory factors. Importantly, the ivermectin administration significantly decreased the protein levels of α-smooth muscle actin (α-SMA) both in vivo and in vitro, suggesting that the antifibrotic effects of ivermectin are mainly due to the promotion of HSC deactivation. The present study demonstrates that ivermectin may be a potential therapeutic agent for the prevention of hepatic fibrosis.
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Niu ZS, Wang WH, Niu XJ. Recent progress in molecular mechanisms of postoperative recurrence and metastasis of hepatocellular carcinoma. World J Gastroenterol 2022; 28:6433-6477. [PMID: 36569275 PMCID: PMC9782839 DOI: 10.3748/wjg.v28.i46.6433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 10/31/2022] [Accepted: 11/21/2022] [Indexed: 12/08/2022] Open
Abstract
Hepatectomy is currently considered the most effective option for treating patients with early and intermediate hepatocellular carcinoma (HCC). Unfortunately, the postoperative prognosis of patients with HCC remains unsatisfactory, predominantly because of high postoperative metastasis and recurrence rates. Therefore, research on the molecular mechanisms of postoperative HCC metastasis and recurrence will help develop effective intervention measures to prevent or delay HCC metastasis and recurrence and to improve the long-term survival of HCC patients. Herein, we review the latest research progress on the molecular mechanisms underlying postoperative HCC metastasis and recurrence to lay a foundation for improving the understanding of HCC metastasis and recurrence and for developing more precise prevention and intervention strategies.
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Affiliation(s)
- Zhao-Shan Niu
- Laboratory of Micromorphology, School of Basic Medicine, Qingdao University, Qingdao 266071, Shandong Province, China
| | - Wen-Hong Wang
- Department of Pathology, School of Basic Medicine, Qingdao University, Qingdao 266071, Shandong Province, China
| | - Xiao-Jun Niu
- Department of Internal Medicine, Qingdao Shibei District People's Hospital, Qingdao 266033, Shandong Province, China
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HBO1 as an Important Target for the Treatment of CCL4-Induced Liver Fibrosis and Aged-Related Liver Aging and Fibrosis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:1881519. [PMID: 36524217 PMCID: PMC9747301 DOI: 10.1155/2022/1881519] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 10/26/2022] [Accepted: 11/08/2022] [Indexed: 12/12/2022]
Abstract
The liver is the largest digestive organ in the human body. The increasing incidence of chronic liver fibrosis is one of the major health challenges in the world. Liver fibrosis is a wound-healing response to acute or chronic cellular damage of liver tissue. At present, despite a series of research progress on the pathophysiological mechanism of fibrosis that has been made, there is still a gap in identifying antifibrotic targets and converting them into effective treatments. Therefore, it is extremely important to seek a molecular target that can alleviate or reverse liver fibrosis, which has important scientific and clinical significance. In the current study, to evaluate the therapeutic effect of HBO1 as a molecular target on liver aging and fibrosis, naturally-aged mice and CCL4-induced liver fibrosis mice were used as animal models, and multiple experiments were performed. Experimental results showed that HBO1 knockdown could strongly mitigate the accumulation of hepatic collagen by Masson and Sirius Red staining. Further study showed that HBO1 knockdown reduced the expression of fibrosis-related marker molecules (α-SMA, collagen type I (ColI), and fibronectin). Further work showed that HBO1 knockdown could significantly alleviate HSC activation. On this basis, we analyzed the underlying mechanism by which HBO1 alleviates liver fibrosis. It was found that HBO1 knockdown may modulate liver fibrosis by regulating the processes of EMT, inflammation, and oxidative stress. We further studied the effect of HBO1 knockdown on liver aging and aging-related liver fibrosis, and the results showed that HBO1 knockdown could significantly reduce the level of aging-related liver fibrosis and relieve liver aging. In conclusion, we systematically investigated the potential of HBO1 as a therapeutic target to attenuate liver fibrosis and liver aging. The current study found a crucial target for liver fibrosis and liver-aging therapy, which has laid a solid foundation for the liver fibrosis-related research.
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Martínez JA, Alonso-Bernáldez M, Martínez-Urbistondo D, Vargas-Nuñez JA, Ramírez de Molina A, Dávalos A, Ramos-Lopez O. Machine learning insights concerning inflammatory and liver-related risk comorbidities in non-communicable and viral diseases. World J Gastroenterol 2022; 28:6230-6248. [PMID: 36504554 PMCID: PMC9730439 DOI: 10.3748/wjg.v28.i44.6230] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 10/07/2022] [Accepted: 11/17/2022] [Indexed: 11/25/2022] Open
Abstract
The liver is a key organ involved in a wide range of functions, whose damage can lead to chronic liver disease (CLD). CLD accounts for more than two million deaths worldwide, becoming a social and economic burden for most countries. Among the different factors that can cause CLD, alcohol abuse, viruses, drug treatments, and unhealthy dietary patterns top the list. These conditions prompt and perpetuate an inflammatory environment and oxidative stress imbalance that favor the development of hepatic fibrogenesis. High stages of fibrosis can eventually lead to cirrhosis or hepatocellular carcinoma (HCC). Despite the advances achieved in this field, new approaches are needed for the prevention, diagnosis, treatment, and prognosis of CLD. In this context, the scientific com-munity is using machine learning (ML) algorithms to integrate and process vast amounts of data with unprecedented performance. ML techniques allow the integration of anthropometric, genetic, clinical, biochemical, dietary, lifestyle and omics data, giving new insights to tackle CLD and bringing personalized medicine a step closer. This review summarizes the investigations where ML techniques have been applied to study new approaches that could be used in inflammatory-related, hepatitis viruses-induced, and coronavirus disease 2019-induced liver damage and enlighten the factors involved in CLD development.
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Affiliation(s)
- J Alfredo Martínez
- Precision Nutrition and Cardiometabolic Health, Madrid Institute of Advanced Studies-Food Institute, Madrid 28049, Spain
| | - Marta Alonso-Bernáldez
- Precision Nutrition and Cardiometabolic Health, Madrid Institute of Advanced Studies-Food Institute, Madrid 28049, Spain
| | | | - Juan A Vargas-Nuñez
- Servicio de Medicina Interna, Hospital Universitario Puerta de Hierro Majadahonda, Madrid 28222, Majadahonda, Spain
| | - Ana Ramírez de Molina
- Molecular Oncology and Nutritional Genomics of Cancer, Madrid Institute of Advanced Studies-Food Institute, Madrid 28049, Spain
| | - Alberto Dávalos
- Laboratory of Epigenetics of Lipid Metabolism, Madrid Institute of Advanced Studies-Food Institute, Madrid 28049, Spain
| | - Omar Ramos-Lopez
- Medicine and Psychology School, Autonomous University of Baja California, Tijuana 22390, Baja California, Mexico
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Combination of common mtDNA variants results in mitochondrial dysfunction and a connective tissue dysregulation. Proc Natl Acad Sci U S A 2022; 119:e2212417119. [PMID: 36322731 PMCID: PMC9659340 DOI: 10.1073/pnas.2212417119] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Mitochondrial dysfunction can be associated with a range of clinical manifestations. Here, we report a family with a complex phenotype including combinations of connective tissue, neurological, and metabolic symptoms that were passed on to all surviving children. Analysis of the maternally inherited mtDNA revealed a novel genotype encompassing the haplogroup J - defining mitochondrial DNA (mtDNA) ND5 m.13708G>A (A458T) variant arising on the mtDNA haplogroup H7A background, an extremely rare combination. Analysis of transmitochondrial cybrids with the 13708A-H7 mtDNA revealed a lower mitochondrial respiration, increased reactive oxygen species production (mROS), and dysregulation of connective tissue gene expression. The mitochondrial dysfunction was exacerbated by histamine, explaining why all eight surviving children inherited the dysfunctional histidine decarboxylase allele (W327X) from the father. Thus, certain combinations of common mtDNA variants can cause mitochondrial dysfunction, mitochondrial dysfunction can affect extracellular matrix gene expression, and histamine-activated mROS production can augment the severity of mitochondrial dysfunction. Most important, we have identified a previously unreported genetic cause of mitochondrial disorder arising from the incompatibility of common, nonpathogenic mtDNA variants.
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Ramos-Tovar E, Muriel P. Free radicals, antioxidants, nuclear factor-E2-related factor-2 and liver damage. VITAMINS AND HORMONES 2022; 121:271-292. [PMID: 36707137 DOI: 10.1016/bs.vh.2022.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The liver performs various biochemical and molecular functions. Its location as a portal to blood arriving from the intestines makes it susceptible to several insults, leading to diverse pathologies, including alcoholic liver disease, viral infections, nonalcoholic steatohepatitis, and hepatocellular carcinoma, which are causes of death worldwide. Illuminating the molecular mechanism underlying hepatic injury will provide targets to develop new therapeutic strategies to fight liver maladies. In this regard, reactive oxygen species (ROS) are well-recognized mediators of liver damage. ROS induce nuclear factor-κB and the nucleotide-binding oligomerization domain (NOD)-like receptor protein 3 inflammasome, which are the main proinflammatory signaling pathways that upregulate several proinflammatory and profibrogenic mediators. Additionally, oxygen-derived free radicals induce hepatic stellate cell activation to produce exacerbated quantities of extracellular matrix proteins, leading to fibrosis, cirrhosis and eventually hepatocellular carcinoma. Exogenous and endogenous antioxidants counteract the harmful effects of ROS, preventing liver necroinflammation and fibrogenesis. Therefore, several researchers have demonstrated that the administration of antioxidants, mainly derived from plants, affords beneficial effects on the liver. Notably, nuclear factor-E2-related factor-2 (Nrf2) is a major factor against oxidative stress in the liver. Increasing evidence has demonstrated that Nrf2 plays an important role in liver necroinflammation and fibrogenesis via the induction of antioxidant response element genes. The use of Nrf2 inducers seems to be an interesting approach to prevent/attenuate hepatic disorders, particularly under conditions where ROS play a causative role.
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Affiliation(s)
- Erika Ramos-Tovar
- Postgraduate Studies and Research Section, School of Higher Education in Medicine-IPN, Mexico City, Mexico.
| | - Pablo Muriel
- Laboratory of Experimental Hepatology, Department of Pharmacology, Cinvestav-IPN, Mexico City, Mexico.
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72
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Bai Z, Bai Y, Fang C, Chen W. Oxidative stress-related patterns determination for establishment of prognostic models, and characteristics of tumor microenvironment infiltration. Front Surg 2022; 9:1013794. [PMID: 36386530 PMCID: PMC9665876 DOI: 10.3389/fsurg.2022.1013794] [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: 08/07/2022] [Accepted: 10/14/2022] [Indexed: 12/02/2022] Open
Abstract
Oxidative stress-mediated excessive accumulation of ROS in the body destroys cell homeostasis and participates in various diseases. However, the relationship between oxidative stress-related genes (ORGs) and tumor microenvironment (TME) in gastric cancer remains poorly understood. For improving the treatment strategy of GC, it is necessary to explore the relationship among them. We describe the changes of ORGs in 732 gastric cancer samples from two data sets. The two different molecular subtypes revealed that the changes of ORGs were associated with clinical features, prognosis, and TME. Subsequently, the OE_score was related to RFS, as confirmed by the correlation between OE_score and TME, TMB, MSI, immunotherapy, stem cell analysis, chemotherapeutic drugs, etc. OE_score can be used as an independent predictive marker for the treatment and prognosis of gastric cancer. Further, a Norman diagram was established to improve clinical practicability. Our research showed a potential role of ORGs in clinical features, prognosis, and tumor microenvironment of gastric cancer. Our research findings broaden the understanding of gastric cancer ORGs as a potential target for individualized treatment of gastric cancer and a new direction to evaluate the prognosis.
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Affiliation(s)
- Zihao Bai
- Graduate Department, Shanxi Medical University, Taiyuan, China
| | - Yihua Bai
- Graduate Department, Shanxi Medical University, Taiyuan, China
| | - Changzhong Fang
- Graduate Department, Shanxi Medical University, Taiyuan, China
| | - Wenliang Chen
- Department of General Surgery, The 2nd Affiliated Hospital of Shanxi Medical University, Taiyuan, China,Correspondence: Wenliang Chen
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73
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He Y, Li Z, Xu T, Luo D, Chi Q, Zhang Y, Li S. Polystyrene nanoplastics deteriorate LPS-modulated duodenal permeability and inflammation in mice via ROS drived-NF-κB/NLRP3 pathway. CHEMOSPHERE 2022; 307:135662. [PMID: 35830933 DOI: 10.1016/j.chemosphere.2022.135662] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/04/2022] [Accepted: 07/07/2022] [Indexed: 06/15/2023]
Abstract
The widespread occurrence of nanoplastics (NPs), has markedly affected the ecosystem and has become a global threat to animals and human health. There is growing evidence showing that polystyrene nanoparticles (PSNPs) exposure induced enteritis and the intestinal barrier disorder. Lipopolysaccharide (LPS) can trigger the inflammation burden of various tissues. Whether PSNPs deteriorate LPS-induced intestinal damage via ROS drived-NF-κB/NLRP3 pathway is remains unknown. In this study, PSNPs exposure/PSNPs and LPS co-exposure mice model were duplicated by intraperitoneal injection. The results showed that exposure to PSNPs/LPS caused duodenal inflammation and increased permeability. We evaluated the change of duodenum structure, oxidative stress parameters, inflammatory factors, and tight junction protein in the duodenum. We found that PSNPs/LPS could aggravate the production of ROS and oxidative stress in cells, activate NF-κB/NLRP3 pathway, decrease the expression tight junction proteins (ZO-1, Claudin 1, and Occludin) levels, promote inflammatory factors (TNF-α, IL-6, and IFN-γ) expressions. Duodenal oxidative stress and inflammation in PS + LPS group were more serious than those in single exposure group, which could be alleviated by NF-kB inhibitor QNZ. Collectively, the results verified that PSNPs deteriorated LPS-induced inflammation and increasing permeability in mice duodenum via ROS drived-NF-κB/NLRP3 pathway. The current study indicated the relationship and molecular mechanism between PSNPs and intestinal injury, providing novel insights into the adverse effects of PSNPs exposure on mammals and humans.
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Affiliation(s)
- Yujiao He
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Zhe Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Tong Xu
- College of Chemistry, Jilin University, Changchun, 130012, PR China
| | - Dongliu Luo
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Qianru Chi
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Yiming Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Shu Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China.
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74
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Punicalagin Protects against the Development of Methotrexate-Induced Hepatotoxicity in Mice via Activating Nrf2 Signaling and Decreasing Oxidative Stress, Inflammation, and Cell Death. Int J Mol Sci 2022; 23:ijms232012334. [PMID: 36293191 PMCID: PMC9604463 DOI: 10.3390/ijms232012334] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 10/11/2022] [Accepted: 10/13/2022] [Indexed: 11/06/2022] Open
Abstract
Despite its effectiveness in treating inflammatory diseases and various malignancies, methotrexate (MTX) is well known to cause hepatotoxicity, which involves increased oxidative stress and inflammation, limiting its clinical use. Herein, we looked into the effect of punicalagin (PU), a polyphenolic molecule having a variety of health-promoting attributes, on MTX-induced hepatotoxicity in mice. PU (25 and 50 mg/kg/day) was given orally to the mice for 10 days, while a single dose of MTX (20 mg/kg) was injected intraperitoneally (i.p.) at day 7. The MTX-induced liver damage was demonstrated by remarkably higher transaminases (ALT and AST), ALP, and LDH, as well as significant histological alterations in hepatic tissues. MTX-injected mice also demonstrated increases in hepatic oxidative stress markers, including malondialdehyde (MDA) and nitric oxide (NO), with a concordant drop in glutathione (GSH) content and superoxide dismutase (SOD) and catalase (CAT) activities. PU significantly attenuated the MTX-induced serum transaminases, ALP and LDH elevations, and hepatic oxidative stress measures and boosted antioxidant defenses in the liver. Moreover, the liver of MTX-treated mice showed increases in NF-κB p65 expression, pro-inflammatory cytokine (IL-6 and TNF-α) levels, and pro-apoptotic protein (caspase-3 and Bax) expression, whereas Bcl-2 and Nrf2 expressions were reduced, which were all attenuated by PU treatment. Collectively, PU inhibits oxidative damage, inflammation, and apoptosis and upregulates Nrf2 in the liver of MTX-induced mice. Thus, these findings suggest that PU may have great therapeutic potential for the prevention of MTX-induced hepatotoxicity, pending further exploration in upcoming studies.
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75
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Yang M, Shen P, Xu L, Kong M, Yu C, Shi Y. Theacrine alleviates sepsis-induced acute kidney injury by repressing the activation of NLRP3/Caspase-1 inflammasome. PeerJ 2022; 10:e14109. [PMID: 36213494 PMCID: PMC9541625 DOI: 10.7717/peerj.14109] [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: 02/16/2022] [Accepted: 09/02/2022] [Indexed: 01/25/2023] Open
Abstract
Acute kidney injury (AKI) is a frequent and serious complication of sepsis, which results in a rapid decline of kidney function. Currently, there are no curative therapies for AKI. Theacrine is a purine alkaloid and exerts significant role in regulating inflammation, oxidative stress, and mood elevation. The study aims to evaluate the biological role and potential mechanism of theacrine in septic AKI. The murine and cellular models of septic AKI were established in lipopolysaccharide (LPS)-treated C57BL/6 mice and HK-2 cells, respectively. The effect of theacrine on alleviating septic AKI was assessed after pretreatment with theacrine in vivo and in vitro. We found that theacrine treatment significantly alleviated LPS-induced kidney injury, as evidenced by decreased levels of kidney injury markers (blood urea nitrogen and creatinine), inflammatory factors (IL-1β and IL-18), and cell apoptosis in vivo and in vitro. Mechanistically, theacrine markedly repressed the activation of NOD-like receptor (NLR) pyrin domain-containing protein 3 (NLRP3)inflammasome. As expected, MCC950 (a specific inhibitor of NLRP3) treatment also decreased LPS-induced production of IL-18 and IL-1β and cell apoptosis in HK-2 cells. More important, Nigericin sodiumsalt (a NLRP3 agonist) damaged the effect of theacrine on repressing kidney injury markers (blood urea nitrogen and creatinine), pro-inflammatory cytokines (IL-18 and IL-1β), and cell apoptosis. Taken together, these results demonstrate that theacrine alleviates septic AKI, at least in part by repressing the activation of NLRP3 inflammasome.
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Affiliation(s)
- Maoxian Yang
- Department of Intensive Care Unit, The First Hospital of Jiaxing, Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Peng Shen
- Department of Intensive Care Unit, The First Hospital of Jiaxing, Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Longsheng Xu
- Department of Center Laboratory, The First Hospital of Jiaxing, Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Min Kong
- Department of Anesthesiology, The First Hospital of Jiaxing, Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Congcong Yu
- Department of Pharmacy, The First Hospital of Jiaxing, Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Yunchao Shi
- Department of Intensive Care Unit, The First Hospital of Jiaxing, Affiliated Hospital of Jiaxing University, Jiaxing, China
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76
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Combination Treatment with Hydroxytyrosol and Vitamin E Improves NAFLD-Related Fibrosis. Nutrients 2022; 14:nu14183791. [PMID: 36145170 PMCID: PMC9505330 DOI: 10.3390/nu14183791] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 08/31/2022] [Accepted: 09/05/2022] [Indexed: 12/14/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD)-related liver fibrosis results in the encapsulation of injured liver parenchyma by a collagenous scar mainly imputable to hepatic stellate cells’ activation. Approved pharmacological treatments against NAFLD-related fibrosis are still lacking, but natural compounds such as hydroxytyrosol (HXT) and vitamin E (VitE), are emerging as promising therapeutic opportunities. In this study, the potential anti-fibrotic effect of HXT + VitE combination therapy was investigated in vitro and in vivo. In particular, tumor growth factor (TGF)-β-activated LX-2 cells as an in vitro model, and carbon tetrachloride plus a Western diet as a mice model were employed. The effect of HXT + VitE on fibrosis was also investigated in children with biopsy-proven NAFLD. Our results demonstrated that HXT + VitE caused a reduction of proliferation, migration, contractility, and expression of pro-fibrogenic genes in TGF-β-activated LX-2 cells. HXT + VitE treatment also antagonized TGF-β-dependent upregulation of pro-oxidant NOX2 by interfering with nuclear translocation/activation of SMAD2/3 transcription factors. The mouse model of NAFLD-related fibrosis treated with HXT + VitE showed a marked reduction of fibrosis pattern by histology and gene expression. Accordingly, in children with NAFLD, HXT + VitE treatment caused a decrease of circulating levels of PIIINP and NOX2 that was supported over time. Our study suggests that HXT + VitE supplementation may improve NAFLD-related fibrosis.
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Wang J, Zeng L, Zhang Y, Qi W, Wang Z, Tian L, Zhao D, Wu Q, Li X, Wang T. Pharmacological properties, molecular mechanisms and therapeutic potential of ginsenoside Rg3 as an antioxidant and anti-inflammatory agent. Front Pharmacol 2022; 13:975784. [PMID: 36133804 PMCID: PMC9483152 DOI: 10.3389/fphar.2022.975784] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 07/14/2022] [Indexed: 12/06/2022] Open
Abstract
Inflammation and oxidative stress lead to various acute or chronic diseases, including pneumonia, liver and kidney injury, cardiovascular and cerebrovascular diseases, metabolic diseases, and cancer. Ginseng is a well-known and widely used ethnic medicine in Asian countries, and ginsenoside Rg3 is a saponin isolated from Panax ginseng C. A. Meyer, Panax notoginseng, or Panax quinquefolius L. This compound has a wide range of pharmacological properties, including antioxidant and anti-inflammatory activities, which have been evaluated in disease models of inflammation and oxidative stress. Rg3 can attenuate lung inflammation, prevent liver and kidney function damage, mitigate neuroinflammation, prevent cerebral and myocardial ischemia–reperfusion injury, and improve hypertension and diabetes symptoms. The multitarget, multipathway mechanisms of action of Rg3 have been gradually deciphered. This review summarizes the existing knowledge on the anti-inflammatory and antioxidant effects and underlying molecular mechanisms of ginsenoside Rg3, suggesting that ginsenoside Rg3 may be a promising candidate drug for the treatment of diseases with inflammatory and oxidative stress conditions.
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Affiliation(s)
- Jing Wang
- Department of Respiratory, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, China
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Li Zeng
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Ying Zhang
- Department of Respiratory, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, China
| | - Wenxiu Qi
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, China
| | - Ziyuan Wang
- Department of Respiratory, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, China
| | - Lin Tian
- Department of Respiratory, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, China
| | - Daqing Zhao
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, China
| | - Qibiao Wu
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China
- Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangzhou, China
- *Correspondence: Qibiao Wu, ; Xiangyan Li, ; Tan Wang,
| | - Xiangyan Li
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, China
- *Correspondence: Qibiao Wu, ; Xiangyan Li, ; Tan Wang,
| | - Tan Wang
- Department of Respiratory, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, China
- *Correspondence: Qibiao Wu, ; Xiangyan Li, ; Tan Wang,
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78
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Caffeine Inhibits NLRP3 Inflammasome Activation by Downregulating TLR4/MAPK/NF-κB Signaling Pathway in an Experimental NASH Model. Int J Mol Sci 2022; 23:ijms23179954. [PMID: 36077357 PMCID: PMC9456282 DOI: 10.3390/ijms23179954] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 08/26/2022] [Accepted: 08/29/2022] [Indexed: 12/13/2022] Open
Abstract
Caffeine elicits protective effects against liver diseases, such as NASH; however, its mechanism of action involving the pyrin domain-containing-3 (NLRP3) inflammasome signaling pathway remains to be elucidated. This study aimed to evaluate the effect of caffeine on the NLRP3 inflammasome signaling pathway in a rat model of NASH. NASH was induced by feeding rats a high-fat, -sucrose, and -cholesterol diet (HFSCD) for 15 weeks along with a weekly low dose (400 mg/kg, i.p.) of CCl4. Caffeine was administered at 50 mg/kg p.o. The effects of HFSCD+CCl4 and caffeine on the liver were evaluated using biochemical, ultrastructural, histological, and molecular biological approaches. The HFSCD+CCl4-treated rats showed fat accumulation in the liver, elevated levels of inflammatory mediators, NLRP3 inflammasome activation, antioxidant dysregulation, and liver fibrosis. Caffeine reduced necrosis, cholestasis, oxidative stress, and fibrosis. Caffeine exhibited anti-inflammatory effects by attenuating NLRP3 inflammasome activation. Moreover, caffeine prevented increases in toll-like receptor 4 (TLR4) and nuclear factor-κB (NF-κB) protein levels and mitigated the phosphorylation of mitogen-activated protein kinase (MAPK). Importantly, caffeine prevented the activation of hepatic stellate cells. This study is the first to report that caffeine ameliorates NASH by inhibiting NLRP3 inflammasome activation through the suppression of the TLR4/MAPK/NF-κB signaling pathway.
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79
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Xie ZY, Xu YX, Yao L. Angiotensin II can trigger HSC-LX2 pyroptosis through both classical and non-classical pathways. Life Sci 2022; 307:120878. [PMID: 35961596 DOI: 10.1016/j.lfs.2022.120878] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 08/03/2022] [Accepted: 08/08/2022] [Indexed: 11/16/2022]
Abstract
BACKGROUND Current evidence suggests that liver fibrosis is reversible even at late stages. Pyroptosis is reportedly regulated by classical and non-classical pathways and is also involved in the activation of the human hepatic stellate cell line LX2. This study sought to identify regulatory pathways that pyroptosis of HSC during AngII-ROS-induced HSC activation and provides novel insights for anti-fibrosis therapy by targeting HSC. MATERIALS AND METHODS All experiments were conducted in HSC-LX2. The expressions of α-SMA, NLRP3, Caspases-1, -4, -5, ASC and GSDMD-N were detected in HSC-LX2 cells induced with AngII by Western blot and qRT-PCR. CCK8 was used to detect cell proliferation and activity. 2'-7'dichlorofluorescin diacetate (DCFH-DA) was used to measure ROS generation. An LDH assay kit was used to detect LDH released from damaged cells, and ELISA was used to quantify IL-18 and IL-1β levels. RESULTS After AngII stimulation, HSC-LX2 cell viability, ROS, LDH, IL-18, and IL-1β were increased compared with Control group. At the same time, the protein and mRNA levels of α-SMA, NLRP3, Caspases-1, -4, -5, ASC and GSDMD-N were increased. In addition, after NAC and NSA treatment, LDH, IL-18 and IL-1β levels and the protein and mRNA expression of α-SMA, Caspases-4 and -5, and GSDMD-N were decreased. CONCLUSION HSC-LX2 pyroptosis induced by AngII-ROS is mediated by the classical pathway involving NLRP3/Caspase-1 and the non-classical pathway involving Caspases-4 and -5. Our results provide compelling evidence that AngII could activate Caspases-4 and -5 by producing ROS.
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Affiliation(s)
- Ze-Yu Xie
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311400, China
| | - Yi-Xiao Xu
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311400, China
| | - Li Yao
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311400, China.
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80
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FOSL2 deficiency delays nonalcoholic steatohepatitis progression by regulating LY6D-mediated NLRP3 activation. Hum Cell 2022; 35:1752-1765. [PMID: 35930135 DOI: 10.1007/s13577-022-00760-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 07/24/2022] [Indexed: 12/27/2022]
Abstract
Lymphocyte antigen 6 family member D (LY6D) was enhanced specifically in senescent cells, while its effects on pyroptosis, a programmed cell death, remains unknown. The goal of this study was to assess the role of LY6D in the mediation of pyroptosis during nonalcoholic steatohepatitis (NASH). After screening out LY6D as a specific liver fibrosis-associated gene using the GSE55747 dataset from the GEO database, we established a NASH mouse model using methionine and choline deficient-diet feeding and an in vitro model using lipopolysaccharide (LPS)-treated hepatocytes. LY6D was overexpressed in NASH livers as well as in LPS-treated hepatocytes. Silencing of LY6D inhibited NASH-associated hepatocyte pyroptosis. With the aid of bioinformatics analysis, promoter-luciferase reporter and ChIP-qPCR assays, we identified FOSL2 as an upstream transcription factor of LY6D. FOSL2, which was highly expressed in NASH, promoted LY6D transcription by binding to the promoter of LY6D. Depletion of FOSL2 significantly inhibited NASH-associated hepatocyte pyroptosis, which was significantly reversed after overexpression of LY6D. Moreover, the promotion of hepatocyte pyroptosis by the FOSL2/LY6D axis was significantly attenuated by specific inhibition of NLRP3. These findings suggesting that FOSL2/LY6D axis may be a key molecular axis and a potential target for NASH therapeutics.
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81
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Ashfaq I, Sheikh N, Fatima N, Tayyeb A. Inhibition of anti-inflammatory pathway through suppressors of cytokine signalling (Socs2/Socs3) in the initiation of hepatocellular carcinoma. Saudi J Biol Sci 2022; 29:103348. [PMID: 35800143 PMCID: PMC9253924 DOI: 10.1016/j.sjbs.2022.103348] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 04/30/2022] [Accepted: 06/10/2022] [Indexed: 11/23/2022] Open
Abstract
Hepatocellular carcinoma (HCC), a leading cause of cancer related deaths is predominantly driven by chronic inflammatory responses. Due to asymptomatic nature and lack of early patient biopsies, precise involvement of inflammation in hepatic injury initiation remains unidentified. Aim of the study was to elucidate the regulation patterns of inflammatory signalling from initiation of hepatic injury to development of HCC. HCC mice model was established using DEN followed by repeated doses of CCl4 and sacrificed at three different stages of disease comprising 7, 14 and 21 weeks. Serum biochemical tests, hepatic lipids quantification, histopathology and qPCR analyses were conducted to characterize the initiation and progression of liver injury and inflammatory signalling. Notably, at 7 weeks, we observed hepatocyte damage and periportal necrotic bodies coupled with induction of Socs2/Socs3 and anti-inflammatory cytokine Il-10. At 14 weeks, mice liver showed advancement of liver injury with micro-vesicular steatosis and moderate collagen deposition around portal zone. With progression of injury, the expression of Socs3 was declined with further reduction of Il-10 and Tgf-β indicating the disturbance of anti-inflammatory mechanism. In contrast, pro-inflammatory cytokines Il1-β, Il6 and Tnf-α were upregulated contributing inflammation. Subsequently, at 21 weeks severe liver damage was estimated as characterized by macro-vesicular steatosis, perisinusoidal collagen bridging, immune cell recruitment and significant upregulation of Col-1α and α-Sma. In parallel, there was significant upregulation of pro/anti-inflammatory cytokines highlighting the commencement of chronic inflammation. Findings of the study suggest that differential regulation of cytokine suppressors and inflammatory cytokines might play role in the initiation and progression of hepatic injury leading towards HCC.
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Affiliation(s)
- Isbah Ashfaq
- Cell & Molecular Biology Lab, Institute of Zoology, University of the Punjab, Quaid-i-Azam Campus, Lahore 54590, Pakistan
- School of Biological Sciences (SBS), University of the Punjab, Quaid-i-Azam Campus, Lahore 54590, Pakistan
| | - Nadeem Sheikh
- Cell & Molecular Biology Lab, Institute of Zoology, University of the Punjab, Quaid-i-Azam Campus, Lahore 54590, Pakistan
| | - Naz Fatima
- Cell & Molecular Biology Lab, Institute of Zoology, University of the Punjab, Quaid-i-Azam Campus, Lahore 54590, Pakistan
- Department of Zoology, Faculty of Science and Technology, University of Central Punjab, Lahore, Pakistan
| | - Asima Tayyeb
- School of Biological Sciences (SBS), University of the Punjab, Quaid-i-Azam Campus, Lahore 54590, Pakistan
- Corresponding author at: School of Biological Sciences (SBS), University of the Punjab, Quaid-i-Azam Campus, Lahore 54590, Pakistan.
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New-Aaron M, Dagur RS, Koganti SS, Ganesan M, Wang W, Makarov E, Ogunnaike M, Kharbanda KK, Poluektova LY, Osna NA. Alcohol and HIV-Derived Hepatocyte Apoptotic Bodies Induce Hepatic Stellate Cell Activation. BIOLOGY 2022; 11:1059. [PMID: 36101437 PMCID: PMC9312505 DOI: 10.3390/biology11071059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/07/2022] [Accepted: 07/12/2022] [Indexed: 11/16/2022]
Abstract
Recently, we found that both HIV and acetaldehyde, an alcohol metabolite, induce hepatocyte apoptosis, resulting in the release of large extracellular vesicles called apoptotic bodies (ABs). The engulfment of these hepatocyte ABs by hepatic stellate cells (HSC) leads to their profibrotic activation. This study aims to establish the mechanisms of HSC activation after engulfment of ABs from acetaldehyde and HIV-exposed hepatocytes (ABAGS+HIV). In vitro experiments were performed on Huh7.5-CYP (RLW) cells to generate hepatocyte ABs and LX2 cells were used as HSC. To generate ABs, RLW cells were pretreated for 24 h with acetaldehyde, then exposed overnight to HIV1ADA and to acetaldehyde for 96 h. Thereafter, ABs were isolated from cell suspension by a differential centrifugation method and incubated with LX2 cells (3:1 ratio) for profibrotic genes and protein analyses. We found that HSC internalized ABs via the tyrosine kinase receptor, Axl. While the HIV gag RNA/HIV proteins accumulated in ABs elicited no productive infection in LX2 and immune cells, they triggered ROS and IL6 generation, which, in turn, activated profibrotic genes via the JNK-ERK1/2 and JAK-STAT3 pathways. Similarly, ongoing profibrotic activation was observed in immunodeficient NSG mice fed ethanol and injected with HIV-derived RLW ABs. We conclude that HSC activation by hepatocyte ABAGS+HIV engulfment is mediated by ROS-dependent JNK-ERK1/2 and IL6 triggering of JAK-STAT3 pathways. This can partially explain the mechanisms of liver fibrosis development frequently observed among alcohol abusing PLWH.
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Affiliation(s)
- Moses New-Aaron
- Department of Environmental Health, Occupational Health and Toxicology, College of Public Health, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE 68105, USA; (R.S.D.); (S.S.K.); (M.G.); (M.O.); (K.K.K.)
| | - Raghubendra Singh Dagur
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE 68105, USA; (R.S.D.); (S.S.K.); (M.G.); (M.O.); (K.K.K.)
| | - Siva Sankar Koganti
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE 68105, USA; (R.S.D.); (S.S.K.); (M.G.); (M.O.); (K.K.K.)
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68105, USA
| | - Murali Ganesan
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE 68105, USA; (R.S.D.); (S.S.K.); (M.G.); (M.O.); (K.K.K.)
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68105, USA
| | - Weimin Wang
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68105, USA; (W.W.); (E.M.); (L.Y.P.)
| | - Edward Makarov
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68105, USA; (W.W.); (E.M.); (L.Y.P.)
| | - Mojisola Ogunnaike
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE 68105, USA; (R.S.D.); (S.S.K.); (M.G.); (M.O.); (K.K.K.)
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68105, USA
| | - Kusum K. Kharbanda
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE 68105, USA; (R.S.D.); (S.S.K.); (M.G.); (M.O.); (K.K.K.)
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68105, USA
| | - Larisa Y. Poluektova
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68105, USA; (W.W.); (E.M.); (L.Y.P.)
| | - Natalia A. Osna
- Department of Environmental Health, Occupational Health and Toxicology, College of Public Health, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE 68105, USA; (R.S.D.); (S.S.K.); (M.G.); (M.O.); (K.K.K.)
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68105, USA
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68105, USA; (W.W.); (E.M.); (L.Y.P.)
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83
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Hamdi M, Elmowafy E, Abdel-Bar HM, ElKashlan AM, Al-Jamal KT, Awad GAS. Hyaluronic acid-entecavir conjugates-core/lipid-shell nanohybrids for efficient macrophage uptake and hepatotropic prospects. Int J Biol Macromol 2022; 217:731-747. [PMID: 35841964 DOI: 10.1016/j.ijbiomac.2022.07.067] [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: 01/25/2022] [Revised: 07/07/2022] [Accepted: 07/08/2022] [Indexed: 11/05/2022]
Abstract
Drug covalently bound to polymers had formed, lately, platforms with great promise in drug delivery. These drug polymer conjugates (DPC) boosted drug loading and controlled medicine release with targeting ability. Herein, the ability of entecavir (E) conjugated to hyaluronic acid (HA) forming the core of vitamin E coated lipid nanohybrids (EE-HA LPH), to target Kupffer cells and hepatocyte had been proved. The drug was associated to HA with efficiency of 93.48 ± 3.14 % and nanohybrids loading of 22.02 ± 2.3 %. DiI labelled lipidic nanohybrids improved the macrophage uptake in J774 cells with a 21 day hepatocytes retention post intramuscular injection. Finally, in vivo biocompatibility and safety with respect to body weight, organs indices and histopathological alterations were demonstrated. Coating with vitamin E and conjugation of E to HA (a CD44 ligand), could give grounds for prospective application for vectored nano-platform in hepatitis B.
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Affiliation(s)
- Mohamed Hamdi
- Department of Pharmaceutics, Faculty of Pharmacy, University of Sadat City, Egypt
| | - Enas Elmowafy
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Egypt
| | - Hend Mohamed Abdel-Bar
- Department of Pharmaceutics, Faculty of Pharmacy, University of Sadat City, Egypt; Institute of Pharmaceutical Science, Faculty of Life Sciences & Medicine, King's College London, United Kingdom.
| | - Akram M ElKashlan
- Department of Biochemistry, Faculty of Pharmacy, University of Sadat City, Egypt
| | - Khuloud T Al-Jamal
- Institute of Pharmaceutical Science, Faculty of Life Sciences & Medicine, King's College London, United Kingdom
| | - Gehanne A S Awad
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Egypt
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84
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Ramos-Tovar E, Muriel P. Understanding the cellular and molecular mechanisms of hepatic fibrosis is essential for basic and clinical researchers. Ann Hepatol 2022; 27:100732. [PMID: 35786449 DOI: 10.1016/j.aohep.2022.100732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 06/17/2022] [Indexed: 02/04/2023]
Affiliation(s)
- Erika Ramos-Tovar
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina del IPN, Plan de San Luis y Díaz Mirón s/n, Casco de Santo Tomás, Ciudad de México 11340, México.
| | - Pablo Muriel
- Laboratorio de Hepatología Experimental, Departamento de Farmacología, Cinvestav-IPN, Av. Instituto Politécnico Nacional 2508, Apartado Postal 14-740, Ciudad de México 07000, México.
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85
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Mondal S, Das S, Mahapatra PK, Saha KD. Morin encapsulated chitosan nanoparticles (MCNPs) ameliorate arsenic induced liver damage through improvement of the antioxidant system and prevention of apoptosis and inflammation in mice. NANOSCALE ADVANCES 2022; 4:2857-2872. [PMID: 36132010 PMCID: PMC9419452 DOI: 10.1039/d2na00167e] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 04/30/2022] [Indexed: 05/31/2023]
Abstract
Chronic exposure to arsenic over a period of time induces toxicity, primarily in the liver but gradually in all systems of the body. Morin hydrate (MH; 2',3,4',5,7-pentahydroxyflavone), a potent flavonoid abundantly present in plants of the Moraceae family, is thought to be a major bioactive compound that may be used to prevent a wide range of disease pathologies including hepatotoxicity. Therapeutic applications of morin (MOR) are however seriously constrained because of its insolubility, poor bioavailability, high metabolism and rapid elimination from the human body. Nanoformulation of MOR is a possible solution to these problems. In the present study we investigated the effectiveness of morin encapsulated chitosan nanoparticles (MCNPs) against arsenic induced liver damage in mice. MNCPs with an average diameter of 124.5 nm, a zeta potential of +16.2 mV and an encapsulation efficiency of 78% were prepared. Co-treatment of MOR and MCNPs by oral gavage on alternate days reduced the serum levels of AST, ALT, and ALP that were elevated in arsenic treated mice. The efficiency of MCNPs was found to be nearly 4 times higher than that of free MOR. Haematological and serum biochemical parameters including lipid profiles altered by arsenic were normalized following MCNP treatment. Arsenic deposition was lowered in the presence of MCNPs. Administration of MCNPs markedly inhibited ROS generation and elevated MDA levels in arsenic exposed mice. The level of hepatic antioxidant factors such as nuclear Nrf2 (Nrf2), superoxide dismutase (SOD), catalase (CAT), glutathione (GSH), GSH peroxidase (GPx), glutathione-S-transferase (GST), heme oxygenase-1 (HO-1), and NADPH quinone oxidoreductase 1(NQO1) were markedly enhanced in the arsenic + MCNP group. Treatment by MCNPs prevented the arsenic induced damage of tissue histology. Also, MCNPs suppressed the arsenic induced pro- and anti-apoptotic parameters and attenuated the level of inflammatory mediators. Our data suggest that MCNPs are good hepatoprotective agents compared to free morin against arsenic induced toxicity and the protective effect results from its strong antioxidant, antiapoptotic and anti-inflammatory properties.
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Affiliation(s)
- Sanchaita Mondal
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology 4, Raja S.C. Mullick Road Kolkata-700032 West Bengal India
- Department of Chemistry, Jadavpur University 188, Raja S.C. Mullick Road Kolkata-700032 West Bengal India
| | - Sujata Das
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology 4, Raja S.C. Mullick Road Kolkata-700032 West Bengal India
| | - Pradip Kumar Mahapatra
- Department of Chemistry, Jadavpur University 188, Raja S.C. Mullick Road Kolkata-700032 West Bengal India
| | - Krishna Das Saha
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology 4, Raja S.C. Mullick Road Kolkata-700032 West Bengal India
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86
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The Bioinformatic Study Uncovers Probable Critical Genes Involved in the Pathophysiology of Biliary Atresia. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:9108804. [PMID: 35774294 PMCID: PMC9239813 DOI: 10.1155/2022/9108804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 06/01/2022] [Accepted: 06/03/2022] [Indexed: 11/24/2022]
Abstract
Background Biliary atresia (BA) is an uncommon illness that causes the bile ducts outside and within the liver to become clogged in babies. If left untreated, the cholestasis causes increasing conjugated hyperbilirubinemia, cirrhosis, and hepatic failure. BA has a complicated aetiology, and the mechanisms that drive its development are unknown. The objective of this study was to show the role of probable critical genes involved in the pathophysiology of biliary atresia. Methods We utilised the public Gene Expression Omnibus (GEO) microarray expression profiling dataset GSE46960 to find differentially expressed genes (DEGs) in 64 biliary atresia newborns, 14 infants with various causes of intrahepatic cholestasis, and 7 deceased-donor children as control subjects in our study. The relevant information was looked into. The important modules were identified after functional enrichment, GO and KEGG pathway analyses, protein-protein interaction (PPI) network analyses, and GSEA analysis. Results The differential expression analysis revealed a total of 22 elevated genes. To further understand the biological activities of the DEGs, we run functional enrichment analyses on them. Meanwhile, KEGG analysis has revealed significant enrichment of pathways involved in activating cross-talking with inflammation and fibrosis in BA. SERPINE1, THBS1, CCL2, MMP7, CXCL8, EPCAM, VCAN, ITGA2, AREG, and HAS2, which may play a significant regulatory role in the pathogenesis of BA, were identified by PPI studies. Conclusion Our findings suggested 10 hub genes and probable mechanisms of BA in the current study through bioinformatic analysis.
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87
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Hendawy AS, El-Lakkany NM, Mantawy EM, Hammam OA, Botros SS, El-Demerdash E. Vildagliptin alleviates liver fibrosis in NASH diabetic rats via modulation of insulin resistance, oxidative stress, and inflammatory cascades. Life Sci 2022; 304:120695. [PMID: 35671811 DOI: 10.1016/j.lfs.2022.120695] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 05/30/2022] [Accepted: 06/03/2022] [Indexed: 02/06/2023]
Abstract
AIMS This study investigates the therapeutic potential of Vilda in a NASH model with liver fibrosis and elucidates the underlying molecular mechanisms. MAIN METHODS To induce NASH, male Sprague-Dawley rats were fed a high-fat diet for 24 weeks with a single dose of STZ (40 mg/kg, IP). Vilda was orally administered at two doses (10 and 20 mg/kg) for 20 weeks. KEY FINDINGS The induction of NASH was validated by abnormalities in hepatotoxicity indices, lipid profile, oxidative stress markers, and pathologically by marked fat deposition in hepatic tissues together with severe inflammatory cell infiltration. Moreover, NASH-affected rats demonstrated reduced insulin sensitivity manifested as elevated fasting blood glucose levels and disrupted homeostasis model assessment for insulin resistance. Vilda, at both doses, effectively abrogated all these pathological features of NASH. Mechanistically, these hepatoprotective properties of Vilda can be attributed to its antioxidant effects, anti-inflammatory effects (by inhibiting the TNF-α, NF-κB, JNK, and JAK/STAT pathways), and insulin-sensitizing effect (by upregulating the IRS-1/PI3K/Akt pathway). Besides, Vilda successfully counteracted NASH-associated liver fibrosis by downregulating the TGF-β1 pathway. SIGNIFICANCE The hepatoprotective and antifibrotic effects of Vilda were mostly dose-dependent. Collectively, this study offered a promising therapeutic avenue for Vilda as a novel strategy for counteracting the pathological progression of NASH and associated liver fibrosis.
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Affiliation(s)
- Ahmed S Hendawy
- Department of Pharmacology, Theodor Bilharz Research Institute, Kornaish El Nile, Warrak El-Hadar, Imbaba, 30, Giza 12411, Egypt
| | - Naglaa M El-Lakkany
- Department of Pharmacology, Theodor Bilharz Research Institute, Kornaish El Nile, Warrak El-Hadar, Imbaba, 30, Giza 12411, Egypt
| | - Eman M Mantawy
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Ain Shams University, Organization of African Unity Street, Abbasia, Cairo 11566, Egypt
| | - Olfat A Hammam
- Department of Pathology, Theodor Bilharz Research Institute, Kornaish El Nile, Warrak El-Hadar, Imbaba, 30, Giza 12411, Egypt
| | - Sanaa S Botros
- Department of Pharmacology, Theodor Bilharz Research Institute, Kornaish El Nile, Warrak El-Hadar, Imbaba, 30, Giza 12411, Egypt
| | - Ebtehal El-Demerdash
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Ain Shams University, Organization of African Unity Street, Abbasia, Cairo 11566, Egypt.
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88
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Fan K, Zan X, Zhi Y, Yang Y, Hu K, Zhang X, Zhang X, Zhao S, Chen K, Gong X, Tian R, Zhang L. Immune response gene 1 deficiency impairs Nrf2 activation and aggravates liver fibrosis in mice. Biochem Biophys Res Commun 2022; 607:103-109. [PMID: 35367821 DOI: 10.1016/j.bbrc.2022.03.110] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 03/22/2022] [Indexed: 12/15/2022]
Abstract
A growing body of evidence suggests that metabolic events play essential roles in the development of liver fibrosis. Immune response gene 1 (IRG1) catalyzes the generation of itaconate, which function as a metabolic checkpoint under several pathological circumstances. In the present study, the hepatic level of IRG1 was determined in mice with carbon tetrachloride (CCl4)-induced liver fibrosis. And then the pathological significance of IRG1 and the pharmacological potential of 4-octyl itaconate (4-OI), a cell-permeable derivate of itaconate, in liver fibrosis were investigated in mice. The results indicated that the hepatic level of IRG1 was upregulated in mice with liver fibrosis. CCl4-induced formation of fibrotic septa and deposition of collagen was aggravated in IRG1 KO mice. IRG1 deletion also resulted in increased expression of transforming growth factor beta 1 (TGF-β1), enhanced phosphorylation of Smad3, elevated level of alpha smooth muscle actin (α-SMA) and hydroxyproline, which were associated with compromised activation of nuclear erythroid 2-related factor 2 (Nrf2)-mediated antioxidant system and exacerbated oxidative stress. Interestingly, supplementation with 4-OI activated Nrf2 pathway, suppressed TGF-β1 signaling and attenuated fibrogenesis. Our data indicated that upregulation of IRG1 might function as a protective response during the development of liver fibrosis, and 4-OI might have potential value for the pharmacological intervention of liver fibrosis.
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Affiliation(s)
- Kerui Fan
- Department of Pathophysiology, Chongqing Medical University, Chongqing, China; Laboratory of Stem Cell and Tissue Engineering, Chongqing Medical University, Chongqing, China
| | - Xinyan Zan
- Department of Pathophysiology, Chongqing Medical University, Chongqing, China
| | - Ying Zhi
- Department of Pathophysiology, Chongqing Medical University, Chongqing, China
| | - Yongqiang Yang
- Department of Pathophysiology, Chongqing Medical University, Chongqing, China
| | - Kai Hu
- Department of Pathophysiology, Chongqing Medical University, Chongqing, China
| | - Xinyue Zhang
- Department of Pathophysiology, Chongqing Medical University, Chongqing, China
| | - Xue Zhang
- Department of Pathophysiology, Chongqing Medical University, Chongqing, China
| | - Shuang Zhao
- Department of Pathophysiology, Chongqing Medical University, Chongqing, China
| | - Kun Chen
- Department of Pathophysiology, Chongqing Medical University, Chongqing, China
| | - Xianqiong Gong
- Hepatology Center, Xiamen Hospital of Traditional Chinese Medicine, Xiamen, Fujian Province, China
| | - Rui Tian
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China.
| | - Li Zhang
- Department of Pathophysiology, Chongqing Medical University, Chongqing, China; Laboratory of Stem Cell and Tissue Engineering, Chongqing Medical University, Chongqing, China.
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89
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High doses of eugenol cause structural and functional damage to the rat liver. Life Sci 2022; 304:120696. [DOI: 10.1016/j.lfs.2022.120696] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/03/2022] [Accepted: 06/04/2022] [Indexed: 12/20/2022]
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90
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Oral supplementation of policosanol alleviates carbon tetrachloride-induced liver fibrosis in rats. Biomed Pharmacother 2022; 150:113020. [PMID: 35658249 DOI: 10.1016/j.biopha.2022.113020] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/14/2022] [Accepted: 04/20/2022] [Indexed: 11/23/2022] Open
Abstract
Liver fibrosis is a prevalent liver disease that requires rapid and effective treatment prior to its progression to cirrhosis and liver damage. Recently, several reports have investigated the efficacy of phytotherapy using natural herbal extracts rather than synthetic drugs to treat several liver diseases. Policosanol is a herbal extract used to treat patients with cardiovascular. However, its therapeutic effect on liver fibrosis is still unknown. Therefore, the present study aimed to assess the potential antifibrotic effect of policosanol compared to silymarin and the possible underlying molecular mechanisms. Rats were categorized into four groups; negative control group "NCG", the fibrotic group "FG", silymarin treated group "STG", and policosanol treated group "PTG". Serum liver enzymes, oxidative stress markers, angiogenic growth factors, and pro-inflammatory cytokines were measured biochemically. The relative mRNA expressions of liver caspase-3 and alpha-smooth muscle actin (α-SMA) were assessed. Immunohistochemical staining was carried out using anti- α-SMA, and anti-caspase-3 antibodies. Compared to NCG, the FG group demonstrated a significant decrease in the level of serum liver enzymes "GSH, TAC, and SDF. Nevertheless, it demonstrateda significant increase in the level of pro-inflammatory cytokines "Il-6, TNF"; oxidative stress markers "NO, MDA", and angiogenic growth factors "VEGF and PDGF" and the expression of α-SMA, and Caspase-3. Interestingly, the values of these measurements were restored to normal levels in the treated groups, particularly the PTG. In conclusion, our data revealed the beneficial effects of co-administration of policosanol or silymarin on the fibrotic liver rat model and thus could be a promising natural therapeutic drug.
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91
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Yang X, Zou R, Dai X, Wu X, Yuan F, Feng Y. YAP is critical to inflammation, endothelial-mesenchymal transition and subretinal fibrosis in experimental choroidal neovascularization. Exp Cell Res 2022; 417:113221. [PMID: 35623419 DOI: 10.1016/j.yexcr.2022.113221] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 05/18/2022] [Accepted: 05/19/2022] [Indexed: 11/15/2022]
Abstract
Subretinal fibrosis causes local damage to the retina and irreversible vision loss, as the final stage of neovascular age-related macular degeneration (nAMD). More recently, the endothelial-to-mesenchymal transition (EndoMT) has been considered one of the most significant sources of myofibroblasts in subretinal fibrosis, though the underpinning molecular mechanisms remain unclear. In this study, a series of experiments were performed to test the hypothesis that Yes-associated protein (YAP) may be involved in EndoMT and subretinal fibrosis. We demonstrated that transforming growth factor (TGF)-β2 stimulation induces YAP dephosphorylation (activated) and nuclear transcription in human umbilical vein endothelial cells (HUVECs) by increasing reactive oxygen species (ROS) levels. Moreover, TGF-β2-mediated EndoMT and proinflammatory cytokine production in HUVECs were reduced by ROS clearance or YAP knockdown. Furthermore, the severity of subretinal fibrosis was markedly relieved by intravitreal administration of a small interfering RNA targeting YAP in the mouse laser-induced choroidal neovascularization (CNV) model. Our findings provide novel insights into a previously unknown effect of YAP on the EndoMT process and reveal YAP as a potential target for suppressing CNV-related subretinal fibrosis and protect vision.
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Affiliation(s)
- Xi Yang
- Department of Ophthalmology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Rong Zou
- Department of Ophthalmology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Xiaochan Dai
- Department of Ophthalmology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Xinyuan Wu
- Department of Ophthalmology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Fei Yuan
- Department of Ophthalmology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
| | - Yifan Feng
- Department of Ophthalmology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
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Hurtado-Navarro L, Angosto-Bazarra D, Pelegrín P, Baroja-Mazo A, Cuevas S. NLRP3 Inflammasome and Pyroptosis in Liver Pathophysiology: The Emerging Relevance of Nrf2 Inducers. Antioxidants (Basel) 2022; 11:antiox11050870. [PMID: 35624734 PMCID: PMC9137763 DOI: 10.3390/antiox11050870] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 04/24/2022] [Accepted: 04/24/2022] [Indexed: 12/12/2022] Open
Abstract
Inflammasomes, particularly the nucleotide-binding oligomerization domain, leucine-rich repeat, and pyrin domain containing 3 (NLRP3) inflammasome, apparently serve as crucial regulators of the inflammatory response through the activation of Caspase-1 and induction of pro-inflammatory cytokines and pyroptotic cell death. Pyroptosis is a type of programmed cell death mediated by Caspase-1 cleavage of Gasdermin D and the insertion of its N-terminal fragment into the plasma membrane, where it forms pores, enabling the release of different pro-inflammatory mediators. Pyroptosis is considered not only a pro-inflammatory pathway involved in liver pathophysiology but also an important pro-fibrotic mediator. Diverse molecular mechanisms linking oxidative stress, inflammasome activation, pyroptosis, and the progression of liver pathologies have been documented. Numerous studies have indicated the protective effects of several antioxidants, with the ability to induce nuclear factor erythroid 2-related factor 2 (Nrf2) activity on liver inflammation and fibrosis. In this review, we have summarised recent studies addressing the role of the NLRP3 inflammasome and pyroptosis in the pathogenesis of various hepatic diseases, highlighting the potential application of Nrf2 inducers in the prevention of pyroptosis as liver protective compounds.
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Affiliation(s)
- Laura Hurtado-Navarro
- Molecular Inflammation Group, Biomedical Research Institute of Murcia (IMIB), University Clinical Hospital Virgen de la Arrixaca, 30120 Murcia, Spain; (L.H.-N.); (D.A.-B.); (P.P.)
| | - Diego Angosto-Bazarra
- Molecular Inflammation Group, Biomedical Research Institute of Murcia (IMIB), University Clinical Hospital Virgen de la Arrixaca, 30120 Murcia, Spain; (L.H.-N.); (D.A.-B.); (P.P.)
| | - Pablo Pelegrín
- Molecular Inflammation Group, Biomedical Research Institute of Murcia (IMIB), University Clinical Hospital Virgen de la Arrixaca, 30120 Murcia, Spain; (L.H.-N.); (D.A.-B.); (P.P.)
- Department of Biochemistry and Molecular Biology B and Immunology, Faculty of Medicine, University of Murcia, 30100 Murcia, Spain
| | - Alberto Baroja-Mazo
- Molecular Inflammation Group, Biomedical Research Institute of Murcia (IMIB), University Clinical Hospital Virgen de la Arrixaca, 30120 Murcia, Spain; (L.H.-N.); (D.A.-B.); (P.P.)
- Correspondence: (A.B.-M.); (S.C.); Tel.: +34-868-885-039 (A.B.-M.); +34-868-885-031 (S.C.)
| | - Santiago Cuevas
- Molecular Inflammation Group, Biomedical Research Institute of Murcia (IMIB), University Clinical Hospital Virgen de la Arrixaca, 30120 Murcia, Spain; (L.H.-N.); (D.A.-B.); (P.P.)
- Correspondence: (A.B.-M.); (S.C.); Tel.: +34-868-885-039 (A.B.-M.); +34-868-885-031 (S.C.)
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93
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Torres S, Segalés P, García-Ruiz C, Fernández-Checa JC. Mitochondria and the NLRP3 Inflammasome in Alcoholic and Nonalcoholic Steatohepatitis. Cells 2022; 11:1475. [PMID: 35563780 PMCID: PMC9105698 DOI: 10.3390/cells11091475] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 04/18/2022] [Accepted: 04/25/2022] [Indexed: 12/12/2022] Open
Abstract
Alcoholic (ASH) and nonalcoholic steatohepatitis (NASH) are advanced stages of fatty liver disease and two of the most prevalent forms of chronic liver disease. ASH and NASH are associated with significant risk of further progression to cirrhosis and hepatocellular carcinoma (HCC), the most common type of liver cancer, and a major cause of cancer-related mortality. Despite extensive research and progress in the last decades to elucidate the mechanisms of the development of ASH and NASH, the pathogenesis of both diseases is still poorly understood. Mitochondrial damage and activation of inflammasome complexes have a role in inducing and sustaining liver damage. Mitochondrial dysfunction produces inflammatory factors that activate the inflammasome complexes. NLRP3 inflammasome (nucleotide-binding oligomerization domain-like receptor protein 3) is a multiprotein complex that activates caspase 1 and the release of pro-inflammatory cytokines, including interleukin-1β (IL-1β) and interleukin-18 (IL-18), and contributes to inflammatory pyroptotic cell death. The present review, which is part of the issue "Mitochondria in Liver Pathobiology", provides an overview of the role of mitochondrial dysfunction and NLRP3 activation in ASH and NASH.
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Affiliation(s)
- Sandra Torres
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB), Spanish National Research Council (CSIC), 08036 Barcelona, Spain; (S.T.); (P.S.)
- Liver Unit, Hospital Clinic I Provincial de Barcelona, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
- Center for the Study of Liver and Gastrointestinal Diseases (CIBERehd), Carlos III National Institute of Health, 28029 Madrid, Spain
| | - Paula Segalés
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB), Spanish National Research Council (CSIC), 08036 Barcelona, Spain; (S.T.); (P.S.)
- Liver Unit, Hospital Clinic I Provincial de Barcelona, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
- Center for the Study of Liver and Gastrointestinal Diseases (CIBERehd), Carlos III National Institute of Health, 28029 Madrid, Spain
| | - Carmen García-Ruiz
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB), Spanish National Research Council (CSIC), 08036 Barcelona, Spain; (S.T.); (P.S.)
- Liver Unit, Hospital Clinic I Provincial de Barcelona, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
- Center for the Study of Liver and Gastrointestinal Diseases (CIBERehd), Carlos III National Institute of Health, 28029 Madrid, Spain
- Division of Gastrointestinal and Liver Diseases, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - José C. Fernández-Checa
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB), Spanish National Research Council (CSIC), 08036 Barcelona, Spain; (S.T.); (P.S.)
- Liver Unit, Hospital Clinic I Provincial de Barcelona, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
- Center for the Study of Liver and Gastrointestinal Diseases (CIBERehd), Carlos III National Institute of Health, 28029 Madrid, Spain
- Division of Gastrointestinal and Liver Diseases, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
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94
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Vargas-Pozada EE, Ramos-Tovar E, Acero-Hernández C, Cardoso-Lezama I, Galindo-Gómez S, Tsutsumi V, Muriel P. Caffeine mitigates experimental nonalcoholic steatohepatitis and the progression of thioacetamide-induced liver fibrosis by blocking the MAPK and TGF-β/Smad3 signaling pathways. Ann Hepatol 2022; 27:100671. [PMID: 35065262 DOI: 10.1016/j.aohep.2022.100671] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 01/13/2022] [Indexed: 02/04/2023]
Abstract
INTRODUCTION AND OBJECTIVES Caffeine consumption is associated with beneficial effects on hepatic disorders. The objectives of this study were to evaluate the antifibrotic effects of caffeine on experimental nonalcoholic steatohepatitis (NASH) induced with a high-fat, high-sucrose, high-cholesterol diet (HFSCD), as well as to evaluate the ability of caffeine to prevent the progression of experimental liver fibrosis induced by the administration of thioacetamide (TAA) in rats and explore the mechanisms of action. METHODS NASH and fibrosis were induced in rats by the administration of an HFSCD for 15 weeks, and liver fibrosis was induced by intraperitoneal administration of 200 mg/kg TAA 3 times per week, for 6 weeks. Caffeine was administered at a dose of 50 mg/kg body weight. The effects of diet, TAA, and caffeine on fibrosis were evaluated by biochemical and histological examinations. The profibrotic pathways were analyzed by western blotting and immunohistochemistry. RESULTS Rats exhibited liver fibrosis after HFSCD feeding and the administration of TAA. Caffeine could reduce the hepatic level of collagen and the fibrotic area in the liver. Caffeine prevented the progression of liver fibrosis by decreasing transforming growth factor-beta (TGF-β), connective tissue growth factor (CTGF), and alpha-smooth muscle actin (α-SMA) expression and by inhibiting the activation of mitogen-activated protein kinases (MAPKs) and Smad3 phosphorylation. CONCLUSIONS Caffeine attenuates NASH and the progression of liver fibrosis due to its antifibrotic effects and modulating the MAPK and TGF-β pathways. Therefore, caffeine could be a suitable candidate for treating liver diseases associated with fibrosis.
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Affiliation(s)
- Eduardo E Vargas-Pozada
- Laboratory of Experimental Hepatology, Department of Pharmacology, Cinvestav-IPN, Apartado 14-740 Mexico City, Mexico
| | - Erika Ramos-Tovar
- Postgraduate Studies and Research Section, School of Higher Education in Medicine-IPN, Apartado 11340 Plan de San Luis y Díaz Mirón s/n, Casco de Santo Tomás, Mexico City, Mexico
| | - Consuelo Acero-Hernández
- Laboratory of Experimental Hepatology, Department of Pharmacology, Cinvestav-IPN, Apartado 14-740 Mexico City, Mexico
| | - Irina Cardoso-Lezama
- Laboratory of Experimental Hepatology, Department of Pharmacology, Cinvestav-IPN, Apartado 14-740 Mexico City, Mexico
| | - Silvia Galindo-Gómez
- Department of Infectomics and Molecular Pathogenesis, Cinvestav-IPN, Apartado 14-740 Mexico City, Mexico
| | - Víctor Tsutsumi
- Department of Infectomics and Molecular Pathogenesis, Cinvestav-IPN, Apartado 14-740 Mexico City, Mexico
| | - Pablo Muriel
- Laboratory of Experimental Hepatology, Department of Pharmacology, Cinvestav-IPN, Apartado 14-740 Mexico City, Mexico.
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95
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Yang H, Wang J, Liu ZG. Multi-faceted role of pyroptosis mediated by inflammasome in liver fibrosis. J Cell Mol Med 2022; 26:2757-2765. [PMID: 35415891 PMCID: PMC9097829 DOI: 10.1111/jcmm.17277] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/16/2022] [Accepted: 02/27/2022] [Indexed: 12/18/2022] Open
Abstract
Liver fibrosis is a reversible pathological overreaction during the self-repair of liver injuries, and it is the common period of chronic liver diseases induced by different pathogenesis progress into cirrhosis and even hepatocellular carcinoma. Pyroptosis, a novel form of programmed cell death, is reported to take part in the pathogenesis and progression of acute or chronic liver diseases and liver fibrosis. Caspase-1 dependent canonical pathway and caspase-4/-5/-11 mediated noncanonical pathway are the two signalling pathways to induce pyroptosis. The activation of inflammasomes under the stimulation of pathogenic microorganisms and danger signals can initiate the pyroptotic pathway and release large amounts of proinflammatory and profibrotic cytokines. This article comprehensively summarizes recent researches focused on the mechanism of pyroptosis and its role in major hepatic cells, which can provide potential therapeutic strategies for liver fibrosis.
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Affiliation(s)
- Hui Yang
- Department of Infectious Disease, The Third Xiangya hospital, Central South University, Changsha, China
| | - Juan Wang
- Department of Infectious Disease, The Third Xiangya hospital, Central South University, Changsha, China
| | - Zhen-Guo Liu
- Department of Infectious Disease, The Third Xiangya hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Viral Hepatitis, Xiyang Hospital, Central South University, Changsha, China
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96
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Hazrati A, Malekpour K, Soudi S, Hashemi SM. Mesenchymal Stromal/Stem Cells and Their Extracellular Vesicles Application in Acute and Chronic Inflammatory Liver Diseases: Emphasizing on the Anti-Fibrotic and Immunomodulatory Mechanisms. Front Immunol 2022; 13:865888. [PMID: 35464407 PMCID: PMC9021384 DOI: 10.3389/fimmu.2022.865888] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 03/15/2022] [Indexed: 12/21/2022] Open
Abstract
Various factors, including viral and bacterial infections, autoimmune responses, diabetes, drugs, alcohol abuse, and fat deposition, can damage liver tissue and impair its function. These factors affect the liver tissue and lead to acute and chronic liver damage, and if left untreated, can eventually lead to cirrhosis, fibrosis, and liver carcinoma. The main treatment for these disorders is liver transplantation. Still, given the few tissue donors, problems with tissue rejection, immunosuppression caused by medications taken while receiving tissue, and the high cost of transplantation, liver transplantation have been limited. Therefore, finding alternative treatments that do not have the mentioned problems is significant. Cell therapy is one of the treatments that has received a lot of attention today. Hepatocytes and mesenchymal stromal/stem cells (MSCs) are used in many patients to treat liver-related diseases. In the meantime, the use of mesenchymal stem cells has been studied more than other cells due to their favourable characteristics and has reduced the need for liver transplantation. These cells increase the regeneration and repair of liver tissue through various mechanisms, including migration to the site of liver injury, differentiation into liver cells, production of extracellular vesicles (EVs), secretion of various growth factors, and regulation of the immune system. Notably, cell therapy is not entirely excellent and has problems such as cell rejection, undesirable differentiation, accumulation in unwanted locations, and potential tumorigenesis. Therefore, the application of MSCs derived EVs, including exosomes, can help treat liver disease and prevent its progression. Exosomes can prevent apoptosis and induce proliferation by transferring different cargos to the target cell. In addition, these vesicles have been shown to transport hepatocyte growth factor (HGF) and can promote the hepatocytes'(one of the most important cells in the liver parenchyma) growths.
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Affiliation(s)
- Ali Hazrati
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Kosar Malekpour
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Sara Soudi
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Seyed Mahmoud Hashemi
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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97
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Ying C, Fang X, Wang H, Yang Y, Xu P, Liu K, Yin G. Anisakidae parasitism activated immune response and induced liver fibrosis in wild anadromous Coilia nasus. JOURNAL OF FISH BIOLOGY 2022; 100:958-969. [PMID: 35229303 DOI: 10.1111/jfb.15027] [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: 11/06/2021] [Revised: 02/24/2022] [Accepted: 02/25/2022] [Indexed: 06/14/2023]
Abstract
Anisakidae nematode larvae is one of the most common parasites in wild anadromous Coilia nasus. This study aims to explore the mechanism of the C. nasus immune response to the parasitism of Anisakid nematode larvae. Results found that Anisakid nematode larvae parasitism caused liver injury as evidenced by histomorphology results as well as high levels of aminotransferase and aspertate aminotransferase. Furthermore, Anisakid nematode larvae parasitism induced an immune response in the host, which was characterized by the elevated populations of macrophages and neutrophils in the liver and head-kidney in the Anisakidae-infected group compared to the noninfected group. The expression of immunoglobulin IgM and IgD in the liver and head-kidney was also increased in the Anisakidae-infected group. The Anisakidae-infected group showed higher activity of antioxidant enzymes catalase and superoxide dismutase, which indicates severe oxidative stress, and increased production of pro-inflammatory cytokines, TNF-α, IL-6 as well as MCP-1 in the liver compared with the noninfected group. As a result of inflammation, livers of hosts in the Anisakidae-infected group showed fibrosis, and elevated expression of associated proteins including α-smooth muscle actin, fibronectin, collagen type I and type III compared with the noninfected group. We demonstrated that Anisakid nematode larvae parasitism results in injury and fibrosis in the liver, and triggers immune cell infiltration and inflammation in the liver and head-kidney of C. nasus. Altogether, the results provide a foundation for building an interaction between parasite and host, and will contribute to C. nasus population and fishery resource protection.
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Affiliation(s)
- Congping Ying
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Xin Fang
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi, China
| | - Honglan Wang
- National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, China
| | - Yanping Yang
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi, China
| | - Pao Xu
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi, China
| | - Kai Liu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi, China
| | - Guojun Yin
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi, China
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98
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Sfikakis PP, Vlachogiannis NI, Ntouros PA, Mavrogeni S, Maris TG, Karantanas AH, Souliotis VL. Microvasculopathy-Related Hemorrhagic Tissue Deposition of Iron May Contribute to Fibrosis in Systemic Sclerosis: Hypothesis-Generating Insights from the Literature and Preliminary Findings. Life (Basel) 2022; 12:life12030430. [PMID: 35330181 PMCID: PMC8955192 DOI: 10.3390/life12030430] [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: 01/22/2022] [Revised: 02/24/2022] [Accepted: 03/14/2022] [Indexed: 11/21/2022] Open
Abstract
Microvascular wall abnormalities demonstrated by nailfold capillaroscopy in systemic sclerosis (SSc) may result in microhemorrhagic deposition of erythrocyte-derived iron. Such abnormalities precede fibrosis, which is orchestrated by myofibroblasts. Iron induces endothelial-to-mesenchymal transition in vitro, which is reversed by reactive oxygen species (ROS) scavengers. The conversion of quiescent fibroblasts into profibrotic myofibroblasts has also been associated with ROS-mediated activation of TGF-β1. Given that iron overload predisposes to ROS formation, we hypothesized that the uptake of erythrocyte-derived iron by resident cells promotes fibrosis. Firstly, we show that iron induces oxidative stress in skin-derived and synovial fibroblasts in vitro, as well as in blood mononuclear cells ex vivo. The biological relevance of increased oxidative stress was confirmed by showing the concomitant induction of DNA damage in these cell types. Similar results were obtained in vivo, following intravenous iron administration. Secondly, using magnetic resonance imaging we show an increased iron deposition in the fingers of a patient with early SSc and nailfold microhemorrhages. While a systematic magnetic resonance study to examine tissue iron levels in SSc, including internal organs, is underway, herein we propose that iron may be a pathogenetic link between microvasculopathy and fibrosis and an additional mechanism responsible for increased oxidative stress in SSc.
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Affiliation(s)
- Petros P. Sfikakis
- First Department of Propaedeutic Internal Medicine and Joint Academic Rheumatology Program, National and Kapodistrian University of Athens Medical School, 11527 Athens, Greece; (N.I.V.); (P.A.N.); (V.L.S.)
- Correspondence:
| | - Nikolaos I. Vlachogiannis
- First Department of Propaedeutic Internal Medicine and Joint Academic Rheumatology Program, National and Kapodistrian University of Athens Medical School, 11527 Athens, Greece; (N.I.V.); (P.A.N.); (V.L.S.)
| | - Panagiotis A. Ntouros
- First Department of Propaedeutic Internal Medicine and Joint Academic Rheumatology Program, National and Kapodistrian University of Athens Medical School, 11527 Athens, Greece; (N.I.V.); (P.A.N.); (V.L.S.)
| | | | - Thomas G. Maris
- Department of Radiology, University of Crete Medical School, 71003 Heraklion, Greece; (T.G.M.); (A.H.K.)
- Computational BioMedicine Laboratory, Institute of Computer Science, Foundation for Research and Technology-Hellas (FORTH), 70013 Heraklion, Greece
| | - Apostolos H. Karantanas
- Department of Radiology, University of Crete Medical School, 71003 Heraklion, Greece; (T.G.M.); (A.H.K.)
- Computational BioMedicine Laboratory, Institute of Computer Science, Foundation for Research and Technology-Hellas (FORTH), 70013 Heraklion, Greece
| | - Vassilis L. Souliotis
- First Department of Propaedeutic Internal Medicine and Joint Academic Rheumatology Program, National and Kapodistrian University of Athens Medical School, 11527 Athens, Greece; (N.I.V.); (P.A.N.); (V.L.S.)
- Institute of Chemical Biology, National Hellenic Research Foundation, 11635 Athens, Greece
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99
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Zhang H, Lai Y, Zhou H, Zou L, Xu Y, Yin Y. Prednisone Ameliorates Atrial Inflammation and Fibrosis in Atrial Tachypacing Dogs. Int Heart J 2022; 63:347-355. [PMID: 35296611 DOI: 10.1536/ihj.21-249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Atrial inflammation and fibrosis have long been considered culprits in the development of atrial fibrillation (AF). Prior clinical studies showed that corticosteroid therapy is beneficial in patients with AF. Here we sought to determine whether prednisone treatment prevents atrial tachypacing (ATP) induced atrial fibrosis.Dogs were randomized into the sham, ATP, ATP + low-dose prednisone (ALP), and ATP + high-dose prednisone (AHP) groups. After 6 days of recovery from surgery, dogs were subjected to ATP at 400 beats per minute for 4 weeks while being treated with prednisone (15 or 40 mg/day) or a placebo. Pacemakers were not activated in the sham group.Compared with the ATP group, the expression of collagen I, collagen III, α-smooth muscle actin, transforming growth factor-β1 and connective tissue growth factor were significantly reduced in the ALP and AHP groups. Fluorescence assays showed that reactive oxygen species formation in the right atrium was suppressed in the ALP and AHP groups compared with the ATP group. The protein level of NADPH oxidase 2 was reduced in the ALP and AHP groups' versus ATP group, while NOX4 and NOX5 were unchanged. ATP-induced downregulation of BH4 and eNOS uncoupling in the atria was partially restored in the prednisone-treated groups.Our study demonstrated that atrial fibrosis induced by ATP were suppressed by prednisone. Low-dose prednisone was also effective in suppressing the development of atrial fibrosis.
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Affiliation(s)
- He Zhang
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University
| | - Yinchuan Lai
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University
| | - Hao Zhou
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University
| | - Lili Zou
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University
| | - Yanping Xu
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University
| | - Yuehui Yin
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University
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100
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Production of a Yogurt Drink Enriched with Golden Berry (Physalispubescens L.) Juice and Its Therapeutic Effect on Hepatitis in Rats. FERMENTATION-BASEL 2022. [DOI: 10.3390/fermentation8030112] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Fermented dairy products have been associated with multiple health benefits. The present study aimed to produce a functional yogurt drink fortified with golden berry juice and assess its therapeutic effect on hepatitis rats. Thirty male albino rats were randomly divided into two major groups. The first group included the control (-) animals (six rats) and was fed a standard diet, whereas the second group included 24 rats that were fed a standard diet and injected with carbon tetrachloride (CCl4) for 2 weeks to trigger chronic damage of the liver (hepatitis); they were then divided into four groups (six rats/group): Group 2: hepatitis, fed on a standard diet as a positive control group; Group 3: received a basal diet with 5 mL of the yogurt drink; Group 4: received a basal diet with 5 mL of the yogurt drink fortified with 10% golden berry juice. Group 5: received a basal diet with 5 mL of the yogurt drink fortified with 20% golden berry juice. Various biological parameters were determined. Yogurt drink treatments were evaluated for their chemical, phytochemical, and sensory properties, as well as for their effects on hepatoprotective activity by determining various biochemical parameters. We found that the yogurt drinks containing golden berry juice exhibited no significant differences in fat, protein, and ash content compared with the control samples. Moreover, the yogurt drinks containing golden berry juice exhibited the highest content of total phenolic compounds, antioxidant activity, and organoleptic scores among all treatments. In addition, rats fed on a diet fortified with yogurt drinks containing golden berry juice for 8 weeks exhibited higher potential hepatoprotective effects compared with the liver injury control group. This improvement was partly observed in the group that received the yogurt drink containing golden berry juice. Therefore, we concluded that golden berry juice can be recommended as a natural additive in the manufacture of functional yogurt drinks, as it showed a potential hepatoprotective effect in rats with hepatitis.
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