1
|
Wang L, Meng C, Long Y, Liu Y, Yang L, Gao X, Sun S, Feng F. The hsa_circ_0082152 maintains NF-κB mRNA stability by binding to MTDH to promote anti-tuberculosis drug-induced liver injury. Int J Biol Macromol 2024; 269:131793. [PMID: 38670193 DOI: 10.1016/j.ijbiomac.2024.131793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 03/21/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024]
Abstract
Anti-tuberculosis drug-induced liver injury (ADLI) is a common adverse reaction during anti-tuberculosis treatment and often leads to treatment interruptions. Circular RNAs (circRNAs) have been identified as key modulators in liver diseases. CircRNAs is a special class of noncoding RNAs that have been found to have significant impacts on the progression of inflammation via various mechanisms. In the serum of ADLI patients, upregulation of the circular RNA hsa_circ_0082152 (derived from the host gene snd1) was observed, along with increased ALT and AST levels, as well as alterations in the levels of inflammation-related factors such as NF-κB, IL-1β and TNF-α. To elucidate the underlying mechanisms, we established an HL-7702-ADLI cell model and confirmed similar upregulation of hsa_circ_0082152. Downregulation of hsa_circ_0082152 significantly inhibited inflammatory injury in ADLI cells, while upregulation had the opposite effect. RNA immunoprecipitation showed that hsa_circ_0082152 functions by interacting with metadherin (MTDH). Our study further verified that the interaction of hsa_circ_0082152 with the MTDH protein binding to NF-κB mRNA to maintain NF-κB mRNA stability, which increases the expression of NF-κB and its targets IL-1β and TNF-α. Conversely, depletion of MTDH rescued the promotive effect of hsa_circ_0082152 overexpression on ADLI inflammation. Therefore, hsa_circ_0082152 overexpression promotes ADLI progression via the MTDH/NF-κB axis.
Collapse
Affiliation(s)
- Lin Wang
- Hebei Coordinated Innovation Center of Occupational Health and Safety, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province, China
| | - Chunyan Meng
- Hebei Coordinated Innovation Center of Occupational Health and Safety, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province, China
| | - Yifei Long
- Hebei Coordinated Innovation Center of Occupational Health and Safety, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province, China
| | - Yue Liu
- Hebei Coordinated Innovation Center of Occupational Health and Safety, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province, China
| | - Luming Yang
- Hebei Coordinated Innovation Center of Occupational Health and Safety, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province, China
| | - Xuelei Gao
- Hebei Coordinated Innovation Center of Occupational Health and Safety, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province, China
| | - Shufeng Sun
- College of Nursing and Rehabilitation, North China University of Science and Technology, Tangshan, Hebei Province, China
| | - Fumin Feng
- Hebei Coordinated Innovation Center of Occupational Health and Safety, School of Public Health, North China University of Science and Technology, Tangshan, Hebei Province, China.
| |
Collapse
|
2
|
Sioriki E, Gaillard S, Nahra F, Imad R, Ullah K, Wajid S, Sharif D, Fayyaz S, Arshad F, Choudhary MI, Nolan SP. Investigating the Biological Activity of Imidazolium Aurate Salts. ChemistrySelect 2019. [DOI: 10.1002/slct.201903435] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Eleni Sioriki
- Department of Chemistry and Centre for Sustainable ChemistryGhent University Krijgslaan 281 9000 Ghent Belgium
| | | | - Fady Nahra
- Department of Chemistry and Centre for Sustainable ChemistryGhent University Krijgslaan 281 9000 Ghent Belgium
- Separation and Conversion TechnologyVITO (Flemish Institute for Technological Research) Boeretang 200 B-2400 Mol Belgium
| | - Rehan Imad
- H.E.J. Research Institute of ChemistryInternational Center for Chemical and Biological SciencesUniversity of Karachi Karachi- 75270 Pakistan
| | - Khair Ullah
- H.E.J. Research Institute of ChemistryInternational Center for Chemical and Biological SciencesUniversity of Karachi Karachi- 75270 Pakistan
| | - Sheeba Wajid
- H.E.J. Research Institute of ChemistryInternational Center for Chemical and Biological SciencesUniversity of Karachi Karachi- 75270 Pakistan
| | - Danish Sharif
- H.E.J. Research Institute of ChemistryInternational Center for Chemical and Biological SciencesUniversity of Karachi Karachi- 75270 Pakistan
| | - Sharmeen Fayyaz
- H.E.J. Research Institute of ChemistryInternational Center for Chemical and Biological SciencesUniversity of Karachi Karachi- 75270 Pakistan
| | - Fiza Arshad
- H.E.J. Research Institute of ChemistryInternational Center for Chemical and Biological SciencesUniversity of Karachi Karachi- 75270 Pakistan
| | - M. Iqbal Choudhary
- H.E.J. Research Institute of ChemistryInternational Center for Chemical and Biological SciencesUniversity of Karachi Karachi- 75270 Pakistan
| | - Steven P. Nolan
- Department of Chemistry and Centre for Sustainable ChemistryGhent University Krijgslaan 281 9000 Ghent Belgium
- Department of ChemistryCollege of ScienceKing Saud University, P. O. Box 2455 Riyadh 11451 Saudi Arabia
| |
Collapse
|
3
|
Hryniewicka A, Malinowska M, Hauschild T, Pieczul K, Morzycki JW. Synthesis and antimicrobial properties of steroid-based imidazolium salts. J Steroid Biochem Mol Biol 2019; 189:65-72. [PMID: 30797035 DOI: 10.1016/j.jsbmb.2019.02.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 02/08/2019] [Accepted: 02/16/2019] [Indexed: 01/20/2023]
Abstract
Imidazolium salts reveal interesting biological properties, especially regarding antitumor and antimicrobial activities. Two series of imidazolium salts based on steroids were obtained in an efficient and convenient synthesis. They were biologically tested to evaluate their antibacterial and antifungal properties. The activities of new salts, especially in relation to Gram-positive bacterial strains are comparable to the activities of known antibiotics. The most promising activity was that against C. albicans, which exceeded the antifungal activity of commonly used drugs. Some of the new salts exhibited improved antifungal activities against phytopathogenic fungi: B. cinerea and C. beticola. Our research showed that new compounds could be potentially useful as antifungal antibiotics or inhibiting agents against pathogenic fungi.
Collapse
Affiliation(s)
- Agnieszka Hryniewicka
- Institute of Chemistry, University of Białystok, Ciołkowskiego Street 1K, 15-245, Białystok, Poland.
| | - Marta Malinowska
- Institute of Chemistry, University of Białystok, Ciołkowskiego Street 1K, 15-245, Białystok, Poland
| | - Tomasz Hauschild
- Institute of Biology, University of Białystok, Ciołkowskiego Street 1J, 15-245, Białystok, Poland
| | - Katarzyna Pieczul
- Institute of Plant Protection, National Research Institute, Węgorka Street 20, 60-318, Poznań, Poland
| | - Jacek W Morzycki
- Institute of Chemistry, University of Białystok, Ciołkowskiego Street 1K, 15-245, Białystok, Poland
| |
Collapse
|
4
|
Martins RC, Dorneles GP, Teixeira VON, Antonello AM, Couto JL, Rodrigues Júnior LC, Monteiro MC, Peres A, Schrekker HS, Romão PRT. Imidazolium salts as innovative agents against Leishmania amazonensis. Int Immunopharmacol 2018; 63:101-109. [DOI: 10.1016/j.intimp.2018.07.038] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 07/17/2018] [Accepted: 07/30/2018] [Indexed: 12/21/2022]
|
5
|
The inhibition of Hippo/Yap signaling pathway is required for magnesium isoglycyrrhizinate to ameliorate hepatic stellate cell inflammation and activation. Biomed Pharmacother 2018; 106:83-91. [PMID: 29957470 DOI: 10.1016/j.biopha.2018.06.102] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 06/17/2018] [Accepted: 06/18/2018] [Indexed: 02/07/2023] Open
Abstract
Liver fibrosis is a reversible pathological process accompanied by abnormal inflammation, and its end-stage cirrhosis is responsible for high morbidity and mortality worldwide. This study was to investigate the effect of Magnesium isoglycyrrhizinate (MgIG) on liver fibrosis and inflammation, and to further clarify molecular mechanism. We found that MgIG treatment significantly alleviated carbon tetrachloride (CCl4)-induced liver fibrosis and HSC activation by regulating TGF-β signaling and MMP/TIMP systems. In addition, MgIG treatment significantly inhibited the inflammatory response of liver fibrosis in mice characterized by reduced pro-inflammatory factors expression and increased anti-inflammatory factors expression. Interestingly, experiments in vitro also showed that MgIG treatment significantly reduced the expression of hepatic stellate cell (HSC) activation markers. Besides, MgIG treatment not only inhibited the expression of pro-inflammatory factors, but also promoted the production of anti-inflammatory factors in activated HSCs. Importantly, treatment with MgIG inhibited Hippo/Yap signaling pathway, which was a potential mechanism for MgIG-induced anti-inflammatory effects. The overexpression of Hippo/Yap signaling effector YAP completely impaired MgIG-induced anti-inflammatory and anti-fibrotic effects. Taken together, these results provide novel implications to reveal the molecular mechanism of the anti-inflammatory properties induced by MgIG, by which points to the possibility of using MgIG to treat liver fibrosis.
Collapse
|
6
|
Chinese herbal formula Fuzheng Huayu alleviates CCl 4-induced liver fibrosis in rats: a transcriptomic and proteomic analysis. Acta Pharmacol Sin 2018; 39:930-941. [PMID: 29094729 DOI: 10.1038/aps.2017.150] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Accepted: 08/13/2017] [Indexed: 12/11/2022] Open
Abstract
Liver fibrosis is a consequence of chronic liver disease that can progress to liver cirrhosis or even hepatocarcinoma. Fuzheng Huayu (FZHY), a Chinese herbal formula, has been shown to exert anti-fibrotic effects. To better understand the molecular mechanisms underlying the anti-fibrotic effects of FZHY, we analyzed transcriptomic and proteomic combination profiles in CCl4-induced liver fibrosis in rats, which were treated with extracted FZHY powder (0.35 g·kg-1·d-1, ig) for 3 weeks. We showed that FZHY administration significantly improved liver function, alleviated hepatic inflammatory and fibrotic changes, and decreased the hydroxyproline content in the livers of CCl4-treated rats. When their liver tissues were examined using microarray and iTRAQ, we found 255 differentially expressed genes (fold change ≥1.5, P<0.05) and 499 differentially expressed proteins (fold change ≥1.2, P<0.05) in the FZHY and model groups. Functional annotation with DAVID (The Database for Annotation, Visualization and Integrated Discovery) showed that 15 enriched gene ontology terms, including drug metabolic process, response to extracellular stimulus, response to vitamins, arachidonic acid metabolic process, response to wounding, and oxidation reduction might be involved in the anti-fibrotic effects of FZHY; whereas KEGG pathway analysis revealed that eight enriched pathways, including arachidonic acid metabolism, retinol metabolism, metabolism of xenobiotics by cytochrome P450, and drug metabolism might also be involved. Moreover, the protein-protein interaction network demonstrated that 10 core genes/proteins overlapped, with Ugt2a3, Cyp2b1 and Cyp3a18 in retinol metabolism pathway overlapped to a higher degree. Compared to the model rats, the livers of FZHY-treated rats had significantly higher mRNA and protein expression levels of Ugt2a3, Cyp2b1 and Cyp3a18. Furthermore, the concentration of retinoic acid was significantly higher in the FZHY-treated rats compared with the model rats. The results suggest that the anti-fibrotic effects of FZHY emerge through multiple targets, multiple functions, and multiple pathways, including FZHY-regulated retinol metabolism, xenobiotic metabolism by cytochrome P450, and drug metabolism through up-regulated Ugt2a3, Cyp2b1, and Cyp3a18. These genes may play important anti-fibrotic roles in FZHY-treated rats.
Collapse
|
7
|
Astragaloside Inhibits Hepatic Fibrosis by Modulation of TGF- β1/Smad Signaling Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:3231647. [PMID: 29853950 PMCID: PMC5952439 DOI: 10.1155/2018/3231647] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Revised: 02/24/2018] [Accepted: 03/15/2018] [Indexed: 12/19/2022]
Abstract
Activation of HSC is a pivotal step in hepatic fibrosis. In the activation of HSC, the TGF-β1 plays a key role that can promote the occurrence of hepatic fibrosis by combining with Smad proteins. Astragaloside is the main active component extracted from Radix Astragali that has the effect of antioxidation and hepatoprotection. In the present study, we investigated the mechanism of astragalosides inhibiting hepatic fibrosis in vitro and in vivo. In vitro, astragalosides inhibited the activation of HSC and regulated the expression of MMP-2 and TIMP-2 and reduced the formation of collagen fibers. In vivo, administration of astragalosides decreased the serum ALT, AST, and TBiL in rats by reducing oxidative stress. Astragalosides also attenuated hepatic fibrosis by reducing the concentration of hydroxyproline and inhibiting the formation of collagen fibers. The expressions of TGF-β1, TβR-I, p-Smad 2, and p-Smad 3 were downregulated after astragalosides treatments, while Smad 7 was upregulated compared to the control group. The results indicated that the effect of astragaloside on hepatic fibrosis was related to the inhibition of HSC activation and the modulation of the TGF-β1/Smad signaling pathway.
Collapse
|
8
|
Yuan D, Xiang T, Huo Y, Liu C, Wang T, Zhou Z, Dun Y, Zhao H, Zhang C. Preventive effects of total saponins of Panax japonicus on fatty liver fibrosis in mice. Arch Med Sci 2018; 14:396-406. [PMID: 29593815 PMCID: PMC5868672 DOI: 10.5114/aoms.2016.63260] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Accepted: 12/14/2015] [Indexed: 12/22/2022] Open
Abstract
INTRODUCTION Nonalcoholic fatty liver disease (NAFLD) is a condition in which excess fat accumulates in the liver of a patient without a history of alcohol abuse. Fatty liver fibrosis, a severe form of NAFLD, is a key step which can be reversed by effective medical intervention. This paper aims to describe the protective role and mechanisms of action of total saponins of Panax japonicus (SPJ) against fatty liver fibrosis in mice. In this study, fatty liver fibrosis was induced by a high-fat (HF) diet combined with intraperitoneal injection of porcine serum. MATERIAL AND METHODS The fatty liver fibrosis model was induced by HF diet combined with intraperitoneal injection of porcine serum. The endoplasmic reticulum stress (ERS) response and C/EBP homologous protein (CHOP) and p-Jun N-terminal kinase (JNK)-mediated apoptosis and inflammation were assessed by serum biochemistry, hematoxylin-eosin (H + E), Masson and electronic microscopy staining, Hyp content detection, Western blotting and real time polymerase chain reaction (RT-PCR). RESULTS Saponins of Panax japonicus could significantly improve liver function and decrease the lipid level in the serum. The liver steatosis, collagen fibers and inflammatory cell infiltration were significantly improved in the SPJ group according to microscope observation. The RT-PCR analysis revealed that the collagen I (Coll), α smooth muscle actin (α-SMA), tissue inhibitors of MMPs (TIMP), CHOP and GRP78 mRNA expression levels were distinctly weakened by SPJ treatment; and western blotting analysis indicated that the phosphorylated JNK (p-JNK), Coll and 78 kD glucose-regulated protein (GRP78) protein expression levels were significantly alleviated, which might be associated with the inhibition of the ERS response and the CHOP and JNK-mediated apoptosis and inflammation pathway. CONCLUSIONS Based on this research, SPJ as a preventive medicine has great potential in prevention of liver fibrosis.
Collapse
Affiliation(s)
- Ding Yuan
- Medical College of China Three Gorges University, Yichang, China
- Renhe Hospital of China Three Gorges University, Yichang, China
| | - Tingting Xiang
- Medical College of China Three Gorges University, Yichang, China
| | - Yuanxiu Huo
- Medical College of China Three Gorges University, Yichang, China
| | - Chaoqi Liu
- Medical College of China Three Gorges University, Yichang, China
| | - Ting Wang
- Medical College of China Three Gorges University, Yichang, China
| | - Zhiyong Zhou
- Medical College of China Three Gorges University, Yichang, China
| | - Yaoyan Dun
- Medical College of China Three Gorges University, Yichang, China
| | - Haixia Zhao
- Medical College of China Three Gorges University, Yichang, China
| | - Changcheng Zhang
- Medical College of China Three Gorges University, Yichang, China
| |
Collapse
|
9
|
Chen L, Guo YZ, Li AD, Ma JJ, Hao HY, Zhang D, Wang Y, Ji CG, Qi W, Wang J, Jiang HQ. Knockdown of Astrocyte Elevated Gene-1 Inhibits Activation of Hepatic Stellate Cells. Dig Dis Sci 2016; 61:1961-71. [PMID: 26879903 DOI: 10.1007/s10620-016-4075-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Accepted: 02/02/2016] [Indexed: 12/13/2022]
Abstract
BACKGROUND Astrocyte elevated gene-1 (AEG-1) is a positive regulator of tumorigenesis and a valuable prognostic marker of a diverse array of cancers, including liver cancer; however, the relationship between AEG-1 and hepatic fibrogenesis is not known. OBJECTIVE The objective of this study was to explore the expression of AEG-1 during hepatic fibrogenesis and determine how AEG-1 regulates the profibrogenic phenotype of hepatic stellate cells (HSCs). METHODS The levels of AEG-1 were monitored in the fibrotic livers and transforming growth factor-β (TGF-β)- or lipopolysaccharide (LPS)-stimulated HSCs. The expression of AEG-1 was knocked down by lentivirus-mediated short hairpin RNA in HSCs, and collagen expression, proliferation assays, apoptosis induction studies, and migration assays were simultaneously conducted in vitro. RESULTS AEG-1 expression was increased in the fibrotic livers. At the cellular level, TGF-β or LPS stimulation, which caused HSC activation, induced AEG-1 expression in HSC-T6 and primary rat HSCs (P < 0.05). Knockdown of AEG-1 inhibited collagen I and α-smooth muscle actin expression (P < 0.05), reduced cell proliferation (P < 0.05) and motility (P < 0.05), and induced cell apoptosis (P < 0.05) in HSCs. This antifibrotic effect caused by lack of AEG-1 was associated with the inactivation of PI3K/Akt and the mitogen-activated protein kinase pathway. CONCLUSIONS Knockdown of AEG-1 suppressed the activation of HSCs by modulating the phenotype and inducing apoptosis. AEG-1 might be a potential target in treatment of hepatic fibrosis.
Collapse
Affiliation(s)
- Lei Chen
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, No. 215, Heping West Road, Shijiazhuang, 050000, Hebei Province, China
| | - Yong-Ze Guo
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, No. 215, Heping West Road, Shijiazhuang, 050000, Hebei Province, China
| | - Ai-di Li
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, No. 215, Heping West Road, Shijiazhuang, 050000, Hebei Province, China
| | - Jun-Ji Ma
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, No. 215, Heping West Road, Shijiazhuang, 050000, Hebei Province, China
| | - Hui-Yao Hao
- Department of Endocrinology and Metabolism, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei Province, China
| | - Di Zhang
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, No. 215, Heping West Road, Shijiazhuang, 050000, Hebei Province, China
| | - Yan Wang
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, No. 215, Heping West Road, Shijiazhuang, 050000, Hebei Province, China
| | - Chen-Guang Ji
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, No. 215, Heping West Road, Shijiazhuang, 050000, Hebei Province, China
| | - Wei Qi
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, No. 215, Heping West Road, Shijiazhuang, 050000, Hebei Province, China
| | - Jia Wang
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, No. 215, Heping West Road, Shijiazhuang, 050000, Hebei Province, China
| | - Hui-Qing Jiang
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, No. 215, Heping West Road, Shijiazhuang, 050000, Hebei Province, China.
| |
Collapse
|
10
|
Demethyleneberberine Protects against Hepatic Fibrosis in Mice by Modulating NF-κB Signaling. Int J Mol Sci 2016; 17:ijms17071036. [PMID: 27376272 PMCID: PMC4964412 DOI: 10.3390/ijms17071036] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 06/17/2016] [Accepted: 06/23/2016] [Indexed: 12/16/2022] Open
Abstract
Demethyleneberberine (DMB) is an essential metabolite of Berberine (BBR) in vivo. Recent reports have revealed multiple novel therapeutic applications of BBR. However, the pharmacological activities of DMB remain to be elucidated. This study aimed to demonstrate the hepatoprotective and anti-fibrotic effects of DMB both in vitro and in vivo. Here we showed that DMB protects against thioacetamide (TAA)-induced hepatic fibrosis in mice and exhibits a higher safety profile as compared to BBR. Flow cytometry and Western blotting analysis showed that DMB is able to suppress the activation of hepatic stellate cells (HSCs) and induce cell apoptosis through the nuclear factor-κB (NF-κB) cascade. Immunohistochemical (IHC) and quantitative polymerase chain reaction (qPCR) analysis indicated that DMB also has inhibitory effects on collagen synthesis and is able to increase collagen degradation by blocking the transforming growth factor β 1 (TGF-β1)-Smad signaling and reducing the expression of matrix metalloproteinases (MMPs) and tissue inhibitors of MMP (TIMPs). These findings indicate that DMB has the potential to attenuate hepatic fibrosis via suppressing HSC activation.
Collapse
|
11
|
Protective Effect of the Total Saponins from Rosa laevigata Michx Fruit against Carbon Tetrachloride-Induced Liver Fibrosis in Rats. Nutrients 2015; 7:4829-50. [PMID: 26083117 PMCID: PMC4488818 DOI: 10.3390/nu7064829] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Revised: 06/05/2015] [Accepted: 06/05/2015] [Indexed: 02/07/2023] Open
Abstract
In this study, the protective effect of the total saponins from Rosa laevigata Michx (RLTS) against liver fibrosis induced by carbon tetrachloride (CCl4) in rats was evaluated. The results showed that RLTS significantly rehabilitated the levels of alanine aminotransferase, aspartate aminotransferase, malondialdehyde, glutathione, glutathione peroxidase, catalase, superoxide dismutase, hydroxyproline, α-smooth muscle actin, collagen I, collagen III and fibronectin, which were confirmed using H&E, Sirius Red and Masson histopathological assays. Further research indicated that RLTS markedly reduced cytochrome P450 2E1 activity, attenuated oxidative stress, and suppressed inflammation. In addition, RLTS facilitated matrix degradation through down-regulation of matrix metalloproteinase2, matrix metalloproteinase 9 and metalloproteinases1, and exerted the anti-fibrotic effects through affecting transforming growth factor β/Smad, focal adhesion kinase/phosphatidylinositol-3-kinase/amino kinase terminal/70-kDa ribosomal S6 Kinase (FAK-PI3K-Akt-p70S6K) and mitogen-activated protein kinase (MAPK) signaling pathways. Taken together, our data indicate that RLTS can be applied as one effective candidate for the treatment of liver fibrosis in the future.
Collapse
|
12
|
Li JF, Zheng SJ, Duan ZP. Liver fibrosis: Role of oxidative stress and therapeutic countermeasures. Shijie Huaren Xiaohua Zazhi 2013; 21:1573-1578. [DOI: 10.11569/wcjd.v21.i17.1573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
A variety of factors can lead to chronic inflammation of the liver and thus the occurrence of liver fibrosis. The activation of hepatic stellate cell (HSC) plays a key role in the pathogenesis of liver fibrosis. Activated HSC exhibit characteristic changes in the morphology and function and promote the development of liver fibrosis. Intrahepatic oxidative stress injury is an important mechanism involved in HSC activation and hepatic collagen deposition. There is a close relationship between liver fibrosis and oxidative stress levels. Reducing the levels of oxidative stress has gradually become an aim of anti-fibrotic therapy. In this paper we review recent progress in research of oxidative stress, liver fibrosis and its therapeutic strategies.
Collapse
|
13
|
Neuroprotective and behavioural assessments of an imidazolium compound (DBZIM) in a rat model of Parkinson's disease induced by 6-OHDA. Eur J Pharmacol 2013; 715:405-13. [PMID: 23652161 DOI: 10.1016/j.ejphar.2013.04.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2012] [Revised: 04/15/2013] [Accepted: 04/18/2013] [Indexed: 11/23/2022]
Abstract
The neuroprotective effect of DBZIM, a novel imidazolium compound, has previously been documented to slow down neurodegeneration in a mouse model of Parkinson's disease. In this study, we conducted behavioural studies and further investigated the neuroprotection in a rat Parkinsonian model induced by 6-hydroxydopamine (6-OHDA). DBZIM was found to significantly reduce the 6-OHDA-induced asymmetrical rotation and preferential usage of contralateral forelimbs. Furthermore, the degeneration of tyrosine hydroxylase immunopositive (TH+) dopaminergic neurones in the substantia nigra par compacta (SNc) was illustrated by immunohistochemistry. The significant loss of TH+ neurones by 6-OHDA administration was ameliorated by three different doses of DBZIM treatment in a bell-shape manner. Such neuroprotection was also observed in the 6-OHDA-lesioned striata. High-performance liquid chromatography (HPLC) analysis of the striatal tissues revealed that DBZIM beneficially maintained the dopamine level by slowing down its metabolism. In addition, DBZIM attenuated the activation of astrocytes and microglia. This suggests that anti-inflammation may be an additional mechanism underlying the DBZIM-mediated neuroprotection. These findings warrant further investigation of DBZIM as a promising and potent agent for the future treatment of Parkinson's disease.
Collapse
|
14
|
Riduan SN, Zhang Y. Imidazolium salts and their polymeric materials for biological applications. Chem Soc Rev 2013; 42:9055-70. [DOI: 10.1039/c3cs60169b] [Citation(s) in RCA: 211] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
|