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Kaya S, Boydak M, Aydin M, Aras İ. Association between serum cytokeratin 18 and N-terminal procollagen III propeptide in patients with biopsy-proven nonalcoholic fatty liver disease. Biotech Histochem 2024:1-7. [PMID: 39092622 DOI: 10.1080/10520295.2024.2385011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2024] Open
Abstract
Liver biopsy is still the gold standard in the staging of nonalcoholic fatty liver disease (NAFLD), which is the most common chronic liver disease worldwide. However, being an invasive method, liver biopsy has limited use in clinical practice. The aim of this study was to determine the relationship between serum levels of cytokeratin 18 (CK-M30) and N-terminal procollagen III propeptide (PIIINP) in patients with biopsy-proven NAFLD. The study was carried out on volunteers, including both healthy individuals and patients pre-diagnosed with NAFLD. The liver biopsies were re-assessed by applying the Steatosis, Activity, Fibrosis/Fatty Liver Inhibition of Progression (SAF/FLIP) algorithm. At the end of the study, frozen serum samples (-80 °C) were analyzed using commercial kits. CK18-M30 and PIIINP levels significantly differed in all study groups. There was no significant correlation between serum levels of CK18-M30 and PIIINP in healthy individuals but there was a significant positive correlation between CK18-M30 and PIIINP levels in NAFLD (NAFL-nonalcoholic steatohepatitis (NASH)) groups. CK18-M30 was better than PIIINP at distinguishing between NAFL and NASH. The results obtained for biopsy-proven NAFLD demonstrated that both PIIINP and CK18-M30 were partly associated with histological parameters and could aid in distinguishing between NASH and NAFL.
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Affiliation(s)
- Sercan Kaya
- Health Services Vocational School, Medical Laboratory Program, Batman University, Batman, Turkey
| | - Murat Boydak
- Faculty of Veterinary Medicine Faculty, Department of Histology and Embryology, Selçuk University, Konya, Turkey
| | - Mesut Aydin
- School of Medicine, Department of Gastroenterology, Van Yuzuncu Yil University, Van, Turkey
| | - İbrahim Aras
- School of Medicine, Department of Pathology, Van Yuzuncu Yil University, Van, Turkey
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Choubey P, Sharma V, Joshi R, Upadhyaya A, Kumar D, Patial V. Hydroethanolic extract of Gentiana kurroo Royle rhizome ameliorates ethanol-induced liver injury by reducing oxidative stress, inflammation and fibrogenesis in rats. JOURNAL OF ETHNOPHARMACOLOGY 2024; 325:117866. [PMID: 38350504 DOI: 10.1016/j.jep.2024.117866] [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: 09/21/2023] [Revised: 01/30/2024] [Accepted: 02/03/2024] [Indexed: 02/15/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Gentiana kurroo Royle is a medicinal plant mentioned as Traymana in Ayurveda. In the folklore, it is used to cure fever, stomach ache, skin diseases and liver disorders. However, limited reports are available on the therapeutic potential of Gentiana kurroo Royle against alcohol-induced liver damage. AIM OF THE STUDY To assess the effectiveness of the hydroethanolic extract of Gentiana kurroo Royle rhizome (GKRE) against alcohol-induced liver injury and explore the mechanism of action. MATERIALS AND METHODS GKRE was characterized using UHPLC-QTOF-MS/MS. The binding affinity of the identified compound was studied in silico. In vitro studies were performed in the Huh-7 cell line. An acute oral toxicity study (2 g/kg BW) of GKRE was done in rats following OECD 420 guidelines. In the efficacy study, rats were treated with 50% ethanol (5 mL/kg BW, orally) for 4 weeks, followed by a single intraperitoneal dose of CCl4 (30%; 1 mL/kg BW) to induce liver injury. After 4th week, the rats were treated with GKRE at 100, 200 and 400 mg/kg BW doses for the next fifteen days. The biochemical and antioxidant parameters were analyzed using commercial kits and a biochemistry analyzer. Histopathology, gene and protein expressions were studied using qRT PCR and western blotting. RESULTS Thirteen compounds were detected in GKRE. Few compounds showed a strong interaction with the fibrotic and inflammatory proteins in silico. GKRE reduced (p < 0.05) the ethanol-induced ROS production and inflammation in Huh-7 cells. The acute oral toxicity study revealed no adverse effect of GKRE in rats at 2 g/kg BW. GKRE improved (p < 0.05) the body and liver weights in ethanol-treated rats. GKRE improved (p < 0.05) the mRNA levels of ADH, SREBP1c and mitochondrial biogenesis genes in the liver tissues. GKRE also improved (p < 0.05) the liver damage markers, lipid peroxidation and levels of antioxidant enzymes in the liver. A reduced severity (p < 0.05) of pathological changes, fibrotic tissue deposition and caspase 3/7 activity were observed in the liver tissues of GKRE-treated rats. Further, GKRE downregulated (p < 0.05) the expression of fibrotic (TGFβ, αSMA and SMADs) and inflammatory markers (TNFα, IL6, IL1β and NFκB) in the liver. CONCLUSION GKRE showed efficacy against alcohol-induced liver damage by inhibiting oxidative stress, apoptosis, inflammation and fibrogenesis in the liver.
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Affiliation(s)
- Pragya Choubey
- Pharmacology and Toxicology Laboratory, Dietetics & Nutrition Technology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, 176061, HP, India; PG Department of Dravyaguna, Rajiv Gandhi Govt. Post Graduate Ayurvedic College and Hospital, Paprola, 176115, HP, India
| | - Vinesh Sharma
- Pharmacology and Toxicology Laboratory, Dietetics & Nutrition Technology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, 176061, HP, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, UP, India
| | - Robin Joshi
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, 176061, HP, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, UP, India
| | - Ashwani Upadhyaya
- PG Department of Dravyaguna, Rajiv Gandhi Govt. Post Graduate Ayurvedic College and Hospital, Paprola, 176115, HP, India
| | - Dinesh Kumar
- Chemical Technology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, 176061, HP, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, UP, India
| | - Vikram Patial
- Pharmacology and Toxicology Laboratory, Dietetics & Nutrition Technology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, 176061, HP, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, UP, India.
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3
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Abdelfattah AM, Mahmoud SS, El-Wafaey DI, Abdelgeleel HM, Abdelhamid AM. Diacerein ameliorates cholestasis-induced liver fibrosis in rat via modulating HMGB1/RAGE/NF-κB/JNK pathway and endoplasmic reticulum stress. Sci Rep 2023; 13:11455. [PMID: 37454204 PMCID: PMC10349817 DOI: 10.1038/s41598-023-38375-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 07/07/2023] [Indexed: 07/18/2023] Open
Abstract
Diacerein is an interleukin (IL)-1β inhibitor approved for osteoarthritis. This study aimed to investigate the potential anti-fibrotic effect of diacerein against bile duct ligation (BDL)-induced liver fibrosis. Forty male Wistar rats were divided into: sham-operated group, BDL group, and BDL groups treated with diacerein at 10, 30, and 50 mg/kg/day starting two days before surgery and continued for 4 weeks. Diacerein decreased the hepatic injury markers and alleviated oxidative stress triggered by BDL by reducing hepatic malondialdehyde (MDA) and increasing hepatic superoxide dismutase (SOD) levels. Diacerein mitigated BDL-induced inflammation via lowering hepatic levels and mRNA expression of high mobility group box 1 (HMGB1), nuclear factor-κB (NF-κB), and IL-1β. The hepatic gene expression of Advanced Glycation End products Receptor (RAGE) gene and immunohistochemical expression of some ER stress markers, e.g., glucose-regulated protein 78 (GRP78), inositol-requiring enzyme 1 (IRE1α), protein kinase RNA-like endoplasmic reticulum kinase (PERK), CCAAT/enhancer-binding protein homologous protein (CHOP), and phosphorylated c-Jun N-terminal kinase protein contents were lowered by diacerein. Furthermore, diacerein suppressed the hepatic levels of fibrogenic mediators, e.g., Transforming growth factor β1 (TGF-β1), α- smooth muscle actin (α-SMA), collagen 1, and hydroxyproline, as well as the apoptotic caspase 3 and BAX immunostaining in BDL rats. The histopathological abnormalities induced by BDL significantly improved. Our study demonstrated that diacerein exhibited an antifibrotic effect by inhibiting HMGB1/RAGE/NF-κB/JNK pathway, and ER stress. Better protection was observed with increasing the dose.
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Affiliation(s)
| | - Shireen Sami Mahmoud
- Clinical Pharmacology Department, Faculty of Medicine, Zagazig University, Zagazig, Sharkia, Egypt
| | - Dalia Ibrahim El-Wafaey
- Human Anatomy and Embryology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | | | - Amira Mohamed Abdelhamid
- Clinical Pharmacology Department, Faculty of Medicine, Zagazig University, Zagazig, Sharkia, Egypt.
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4
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Mishra G, Singh P, Molla M, Yimer YS, Dinda SC, Chandra P, Singh BK, Dagnew SB, Assefa AN, Ewunetie A. Harnessing the potential of probiotics in the treatment of alcoholic liver disorders. Front Pharmacol 2023; 14:1212742. [PMID: 37361234 PMCID: PMC10287977 DOI: 10.3389/fphar.2023.1212742] [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: 04/26/2023] [Accepted: 05/22/2023] [Indexed: 06/28/2023] Open
Abstract
In the current scenario, prolonged consumption of alcohol across the globe is upsurging an appreciable number of patients with the risk of alcohol-associated liver diseases. According to the recent report, the gut-liver axis is crucial in the progression of alcohol-induced liver diseases, including steatosis, steatohepatitis, fibrosis, cirrhosis, and hepatocellular carcinoma. Despite several factors associated with alcoholic liver diseases, the complexity of the gut microflora and its great interaction with the liver have become a fascinating area for researchers due to the high exposure of the liver to free radicals, bacterial endotoxins, lipopolysaccharides, inflammatory markers, etc. Undoubtedly, alcohol-induced gut microbiota imbalance stimulates dysbiosis, disrupts the intestinal barrier function, and trigger immune as well as inflammatory responses which further aggravate hepatic injury. Since currently available drugs to mitigate liver disorders have significant side effects, hence, probiotics have been widely researched to alleviate alcohol-associated liver diseases and to improve liver health. A broad range of probiotic bacteria like Lactobacillus, Bifidobacteria, Escherichia coli, Sacchromyces, and Lactococcus are used to reduce or halt the progression of alcohol-associated liver diseases. Several underlying mechanisms, including alteration of the gut microbiome, modulation of intestinal barrier function and immune response, reduction in the level of endotoxins, and bacterial translocation, have been implicated through which probiotics can effectively suppress the occurrence of alcohol-induced liver disorders. This review addresses the therapeutic applications of probiotics in the treatment of alcohol-associated liver diseases. Novel insights into the mechanisms by which probiotics prevent alcohol-associated liver diseases have also been elaborated.
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Affiliation(s)
- Garima Mishra
- Pharmaceutical Chemistry Unit, Department of Pharmacy, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Pradeep Singh
- Pharmaceutical Chemistry Unit, Department of Pharmacy, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Mulugeta Molla
- Pharmacology and Toxicology Unit, Department of Pharmacy, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Yohannes Shumet Yimer
- Social Pharmacy Unit, Department of Pharmacy, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | | | - Phool Chandra
- Department of Pharmacology, Teerthanker Mahaveer College of Pharmacy, Teerthanker Mahaveer University, Moradabad, India
| | | | - Samuel Berihun Dagnew
- Clinical Pharmacy Unit, Department of Pharmacy, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Abraham Nigussie Assefa
- Social Pharmacy Unit, Department of Pharmacy, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Amien Ewunetie
- Pharmacology and Toxicology Unit, Department of Pharmacy, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
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Shi B, Wang W, Ye M, Liang M, Yu Z, Zhang Y, Liu Z, Liang X, Ao J, Xu F, Xu G, Jiang X, Zhou X, Liu L. Spermidine suppresses the activation of hepatic stellate cells to cure liver fibrosis through autophagy activator MAP1S. Liver Int 2023; 43:1307-1319. [PMID: 36892418 DOI: 10.1111/liv.15558] [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: 09/11/2022] [Revised: 03/01/2023] [Accepted: 03/04/2023] [Indexed: 03/10/2023]
Abstract
BACKGROUND AND AIMS Liver diseases present a wide range of fibrosis, from fatty liver with no inflammation to steatohepatitis with varying degrees of fibrosis, to established cirrhosis leading to HCC. In a multivariate analysis, serum levels of spermidine were chosen as the top metabolite from 237 metabolites and its levels were drastically reduced along with progression to advanced steatohepatitis. Our previous studies that showed spermidine supplementation helps mice prevent liver fibrosis through MAP1S have prompted us to explore the possibility that spermidine can alleviate or cure already developed liver fibrosis. METHODS We collected tissue samples from patients with liver fibrosis to measure the levels of MAP1S. We treated wild-type and MAP1S knockout mice with CCl4 -induced liver fibrosis with spermidine and isolated HSCs in culture to test the effects of spermidine on HSC activation and liver fibrosis. RESULTS Patients with increasing degrees of liver fibrosis had reduced levels of MAP1S. Supplementing spermidine in mice that had already developed liver fibrosis after 1 month of CCl4 induction for an additional 3 months resulted in significant reductions in levels of ECM proteins and a remarkable improvement in liver fibrosis through MAP1S. Spermidine also suppressed HSC activation by reducing ECM proteins at both the mRNA and protein levels, and increasing the number of lipid droplets in stellate cells. CONCLUSIONS Spermidine supplementation is a potentially clinically meaningful approach to treating and curing liver fibrosis, preventing cirrhosis and HCC in patients.
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Affiliation(s)
- Boyun Shi
- The Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of Pediatric Oncology, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Wei Wang
- The Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Mengting Ye
- The Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Min Liang
- The Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of Oncology, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Ziyu Yu
- The Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Yingying Zhang
- The Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Zhaoyu Liu
- The Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Xue Liang
- The Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Jian Ao
- The Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of General Surgery, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Fengfeng Xu
- The Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of General Surgery, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Guibin Xu
- The Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of Urology, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Xianhan Jiang
- The Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of Urology, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Xinke Zhou
- The Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of Oncology, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Leyuan Liu
- The Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
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Wikan N, Tocharus J, Oka C, Sivasinprasasn S, Chaichompoo W, Suksamrarn A, Tocharus C. The capsaicinoid nonivamide suppresses the inflammatory response and attenuates the progression of steatosis in a NAFLD-rat model. J Biochem Mol Toxicol 2023; 37:e23279. [PMID: 36541345 DOI: 10.1002/jbt.23279] [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: 06/25/2021] [Revised: 04/28/2022] [Accepted: 12/08/2022] [Indexed: 12/24/2022]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is relatively associated with comorbidities in obesity and metabolic inflammation. Low-grade inflammation following the high-fat diet (HFD)-induced NAFLD can promote the development of nonalcoholic steatohepatitis (NASH) through particularly liver-resident immune cell recruitment and hepatic nuclear factor kappa B (NF-κB) pathway. Therefore, inflammatory intervention may contribute to NASH reduction. Pelargonic acid vanillylamide (PAVA) or nonivamide is one of the pungent capsaicinoids of Capsicum species and has been found in chili peppers. Our previous study demonstrated that PAVA improved hepatic function, decreased oxidative stress and reduced apoptotic cell death but the insight role of PAVA on NAFLD is still unclear. Thus, this study aimed to investigate the underlying anti-inflammatory mechanism of PAVA in an NAFLD-rat model. Male Sprague Dawley rats were fed with normal diet or HFD for 16 weeks. Then high-fat rats were given vehicle or PAVA (1 mg/kg/day) for another 4 weeks. We found that PAVA alleviated hepatic inflammation associated with the reducing toll-like receptor 4/NF-κB pathway, showing significantly lower recruitment of cluster of differentiation 44. PAVA also maintained activity of insulin signaling pathway, and attenuated NOD-, LRR- and pyrin domain-containing protein 3 (NLRP3) inflammasome formation. NAFLD progresses to NASH through transforming growth factor (TGF-β1), and also recovery to simple stage followed by PAVA suppresses pro-inflammatory cytokines such as tumor necrosis factor-α, interleukin-1β, interleukin-6, and Janus kinase 2 (JAK2)/signal transducer and activator of transcription 3 (STAT3) pathway. Therefore, our findings suggest that PAVA provides a novel therapeutic approach for NAFLD and slows the progression to NASH.
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Affiliation(s)
- Naruemon Wikan
- Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Jiraporn Tocharus
- Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Chio Oka
- Functional Genomics and Medicine, Division of Biological Science, Nara Institute of Science and Technology, Ikoma, Nara, Japan
| | | | - Waraluck Chaichompoo
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Ramkhamhaeng University, Bangkok, Thailand
| | - Apichart Suksamrarn
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Ramkhamhaeng University, Bangkok, Thailand
| | - Chainarong Tocharus
- Department of Anatomy, 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
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7
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Moudi B, Mohades MR, Mahmoudzadeh-Sagheb H, Heidari Z. Immunohistochemical expression of CB1 receptors in the liver of patients with HBV related-HCC. Arab J Gastroenterol 2023; 24:34-39. [PMID: 36379858 DOI: 10.1016/j.ajg.2022.10.002] [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] [Received: 05/12/2021] [Revised: 08/20/2022] [Accepted: 10/14/2022] [Indexed: 11/15/2022]
Abstract
BACKGROUND AND AIMS The most common cause of hepatocellular carcinoma (HCC), which has a high death rate, is hepatitis B virus (HBV) infection. This study aimed to examine immunoexpression of CB1 receptors in the livers of patients with HBV-related HCC in comparison with HCC and chronic HBV as well as healthy people. Patients and methods Participants in this case-controlled study were patients with only HBV (HBV; 40), only HCC (HCC; 41), and HBV-related HCC (HBV + HCC; 40) and a healthy control group (C; 30). Tissue expression of CB1 at the protein level was studied using immunohistochemical methods. RESULTS All groups were significantly different in terms of expression of CB1 protein (P < 0.001). The expression levels of CB1 in the liver tissue of the HBV and C groups were not significantly different (P = 0.072). The expression levels of CB1 in the liver tissue of the HBV-related HCC and HCC groups had a statistically significant increase compared to the C and HBV groups (P < 0.001). Also, the CB1 expression levels in the liver tissues of HBV-related HCC and HCC groups were significantly different (P = 0.008). The sensitivity and specificity of immunohistochemistry tests in the diagnosis of HCC using CB1 were 63.4 and 91.2, respectively. Positive and negative predictive values were 90.0 % and 65.1 %, respectively. There was no relationship between the expression of CB1and other clinicopathological variables (P < 0.05). CONCLUSION The present findings revealed a tumor promoting function of the CB1 receptor in HCC. CB1 is also a pathological valuable factor for identifying the pathway of inflammation during infection.
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Affiliation(s)
- Bita Moudi
- Infectious Disease and Tropical Medicine Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan, Iran; Department of Histology, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Mohammad-Reza Mohades
- Department of Histology, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Hamidreza Mahmoudzadeh-Sagheb
- Infectious Disease and Tropical Medicine Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan, Iran; Department of Histology, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Zahra Heidari
- Infectious Disease and Tropical Medicine Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan, Iran; Department of Histology, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran.
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8
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Jasim Mohammed B, Aso Taher T, Abdallah ZN. Investigation of TNFα Level and Metallothionein Gene Expression in Livers of Rats Exposed to Dietary Aluminum. ARCHIVES OF RAZI INSTITUTE 2022; 77:1439-1446. [PMID: 36883150 PMCID: PMC9985779 DOI: 10.22092/ari.2022.358201.2180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 04/12/2022] [Indexed: 03/09/2023]
Abstract
Aluminum chloride is a chemical compound widely used in both pharmaceutical and industrial sectors. The present study aimed to assess the effect of aluminum chloride on TNF levels and metallothionein gene expression in rat livers. A total of 16 Wistar rats were used as an experimental model and assigned to four groups (n=4). The treated groups received aluminum chloride (Sigma/USA) at a dose of 25g/kg body weight via a feeding tube as follows: group 1: Non-treated rats as the control group, group 2 were treated with aluminum chloride for 8 weeks, group 3 were treated with aluminum chloride for 12 weeks, and group 4 received aluminum chloride for 16 weeks. The TNF-α was measured in liver tissue using an enzyme-linked immunosorbent assay (ELISA). Immunohistochemistry and real-time polymerase chain reaction (RT-PCR) were used to analyze metallothionein gene expression in rat liver. To estimate TNF levels, the results revealed that levels were considerably higher (P<0.01) in all experimental groups, especially in group 4 which underwent treatment for 16 weeks (401±22.1 ng/ml), as compared to that in the control group. For the immunohistochemistry assay, a gradient intensity of staining for liver tissue was observed, ranging from zero staining in the control group to moderate, medium, and high staining in the experimental groups after 8, 12, and 16 weeks of aluminum chloride treatment, respectively. The greatest amount of methylothionine expression was observed in the livers of group 4 which received aluminum chloride for 16 weeks (15.5-fold), with a significant difference (P<0.01) from the other experimental groups. In both immunohistochemical and RT-PCR experiments, aluminum administration had a substantial influence on TNFα levels and metallothionein expression in rat livers.
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Affiliation(s)
| | - T Aso Taher
- College of Sciences for Women, University of Baghdad, Baghdad, Iraq
| | - Z N Abdallah
- Institute of Genetic Engineering and Biotechnology
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9
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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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10
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El Gizawy HA, El-Haddad AE, Saadeldeen AM, Boshra SA. Tentatively Identified (UPLC/T-TOF-MS/MS) Compounds in the Extract of Saussurea costus Roots Exhibit In Vivo Hepatoprotection via Modulation of HNF-1α, Sirtuin-1, C/ebpα, miRNA-34a and miRNA-223. Molecules 2022; 27:molecules27092802. [PMID: 35566153 PMCID: PMC9104236 DOI: 10.3390/molecules27092802] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/25/2022] [Accepted: 04/26/2022] [Indexed: 12/10/2022] Open
Abstract
Saussurea costus is a plant traditionally used for the treatment of several ailments. Our study accomplished the UPLC/T-TOF-MS/MS analysis of a methanol extract of Saussurea costus roots (MESC), in addition to lipoidal matter determination and assessment of its in vivo hepatoprotective activity. In this study, we were able to identify the major metabolites in MESC rather than the previously known isolated compounds, improving our knowledge of its chemical constituents. The flavones apigenin, acacetin, baicalein, luteolin, and diosmetin, and the flavonol aglycones quercetin, kaempferol, isorhamnetin, gossypetin, and myricetin and/or their glycosides and glucuronic derivatives were the major identified compounds. The hepatoprotective activity of MESC was evaluated by measuring catalase activity using UV spectrophotometry, inflammatory cytokines and apoptotic markers using ELISA techniques, and genetic markers using PCR. Paracetamol toxicity caused a significant increase in plasma caspase 2, cytokeratin 18 (CK18), liver tumor necrosis factor-α (TNF-α), interleukin 6 (IL-6), miRNA-34a, and miRNA-223, as well as a significant decrease in liver catalase (CAT) activity and in the levels of liver nuclear factor 1α (HNF-1α), sirtuin-1, and C/ebpα. Oral pretreatment with MESC (200 mg/kg) showed a significant decrease in caspase 2, CK18, TNF-α, IL-6 and a significant increase in liver CAT activity. MESC decreased the levels of liver miRNA-34a and miRNA-223 and induced HNF-1α, sirtuin-1, and C/ebpα gene expression. The histological examination showed a significant normalization in rats pretreated with MESC. Our findings showed that Saussurea costus may exert a potent hepatoprotective activity through the modulation of the expression of cellular cytokines, miRNA-34a, and miRNA-223.
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Affiliation(s)
- Heba A. El Gizawy
- Department of Pharmacognosy, Faculty of Pharmacy, October 6 University (O6U), Giza 12585, Egypt;
| | - Alaadin E. El-Haddad
- Department of Pharmacognosy, Faculty of Pharmacy, October 6 University (O6U), Giza 12585, Egypt;
- Correspondence: or
| | - Amr M. Saadeldeen
- Department of Pharmacognosy, School of Pharmacy, Newgiza University (NGU), Newgiza, km 22 Cairo-Alexandria Desert Road, Giza 12577, Egypt;
| | - Sylvia A. Boshra
- Department of Biochemistry, Faculty of Pharmacy, October 6 University (O6U), Giza 12585, Egypt;
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11
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Onabajo OO, Wang F, Lee MH, Florez-Vargas O, Obajemu A, Tanikawa C, Vargas JM, Liao SF, Song C, Huang YH, Shen CY, Banday AR, O’Brien TR, Hu Z, Matsuda K, Prokunina-Olsson L. Intracellular Accumulation of IFN-λ4 Induces ER Stress and Results in Anti-Cirrhotic but Pro-HCV Effects. Front Immunol 2021; 12:692263. [PMID: 34497603 PMCID: PMC8419317 DOI: 10.3389/fimmu.2021.692263] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 08/02/2021] [Indexed: 01/09/2023] Open
Abstract
IFNL3/IFNL4 polymorphisms are inversely associated with the risk of chronic hepatitis C virus (HCV) infection and cirrhosis, two major risk factors for developing hepatocellular carcinoma (HCC). To further explore these inverse associations and their molecular underpinnings, we analyzed IFNL3/IFNL4 polymorphisms represented by the IFNL4 genotype (presence of rs368234815-dG or rs12979860-T alleles) in HCV patients: 2969 from Japan and 2931 from Taiwan. IFNL4 genotype was associated with an increased risk of HCV-related HCC (OR=1.28, 95%CI=1.07-1.52, P=0.0058) in the general population of Japanese patients, but not in Taiwanese patients who achieved treatment-induced viral clearance. IFNL4 genotype was also associated with a decreased risk of cirrhosis (OR=0.66, 95%CI=0.46-0.93, P=0.018, in Taiwanese patients). We then engineered HepG2 cells to inducibly express IFN-λ4 in the presence or absence of interferon lambda receptor 1 (IFNLR1). Induction of IFN-λ4 resulted in its intracellular accumulation, mainly in lysosomes and late endosomes, and increased ER stress, leading to apoptosis and reduced proliferation. We identified the very-low-density lipoprotein receptor (VLDLR), which facilitates HCV entry into hepatocytes, as a transcript induced by IFN-λ4 but not IFN-λ3. Our results suggest that the molecular mechanisms underlying the anti-cirrhotic but pro-HCV associations observed for IFNL3/IFNL4 polymorphisms are, at least in part, contributed by intracellular accumulation of IFN-λ4 causing ER stress in hepatic cells.
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Affiliation(s)
- Olusegun O. Onabajo
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, United States
| | - Fang Wang
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, United States
| | - Mei-Hsuan Lee
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Oscar Florez-Vargas
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, United States
| | - Adeola Obajemu
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, United States
| | - Chizu Tanikawa
- Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Joselin M. Vargas
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, United States
| | - Shu-Fen Liao
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Institute of Statistical Science, Academia Sinica, Taipei, Taiwan
| | - Ci Song
- Department of Epidemiology, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Yu-Han Huang
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chen-Yang Shen
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - A. Rouf Banday
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, United States
| | - Thomas R. O’Brien
- Infections and Immunoepidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, United States
| | - Zhibin Hu
- Department of Epidemiology, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Koichi Matsuda
- Graduate School of Frontier Sciences, The University of Tokyo, Tokyo, Japan
| | - Ludmila Prokunina-Olsson
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, United States
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12
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Wang S, Tang C, Zhao H, Shen P, Lin C, Zhu Y, Han D. Network Pharmacological Analysis and Experimental Validation of the Mechanisms of Action of Si-Ni-San Against Liver Fibrosis. Front Pharmacol 2021; 12:656115. [PMID: 34276360 PMCID: PMC8281251 DOI: 10.3389/fphar.2021.656115] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 06/02/2021] [Indexed: 01/08/2023] Open
Abstract
Background: Si-Ni-San (SNS), a commonly used traditional Chinese medicine (TCM) formula, has potency against liver diseases, such as hepatitis and non-alcoholic fatty liver disease (NAFLD). However, the therapeutic efficacy and pharmacological mechanisms of action of SNS against liver fibrosis remain largely unclear. Methods: A carbon tetrachloride (CCl4)-induced liver fibrosis mouse model was adopted for the first time to investigate the beneficial effects of SNS on liver fibrosis. The potential mechanisms of action of SNS were explored using the network pharmacology-based strategy and validated with the aid of diverse assays. Results: SNS treatment reduced collagen and ECM deposition, downregulated fibrosis-related factor (hyaluronic acid and laminin) contents in serum, maintained the morphological structure of liver tissue, and improved liver function in the liver fibrosis model. Based on network pharmacology results, apoptosis, inflammation and angiogenesis, together with the associated pathways (including VEGF, TNF, caspase, PPAR-γ and NF-κB), were identified as the mechanisms underlying the effects of SNS on liver fibrosis. Further in vivo experiments validated the significant mitigatory effects of SNS on inflammatory infiltration and pro-inflammatory cytokine contents (IFNγ, IL-1β and TGF-β1) in liver tissues of mice with liver fibrosis. SNS suppressed pathologic neovascularization as well as levels of VEGFR1, VEGF and VEGFR2 in liver tissues. SNS treatment additionally inhibited hepatic parenchyma cell apoptosis in liver tissues of mice with liver fibrosis and regulated apoptin expression while protecting L02 cells against apoptosis induced by TNF-α and Act D in vitro. Activation of hepatic stellate cells was suppressed and the balance between MMP13 and TIMP1 maintained in vitro by SNS. These activities may be associated with SNS-induced NF-κB suppression and PPAR-γ activation. Conclusion: SNS effectively impedes liver fibrosis progression through alleviating inflammation, ECM accumulation, aberrant angiogenesis and apoptosis of hepatic parenchymal cells along with inhibiting activation of hepatic stellate cells through effects on multiple targets and may thus serve as a novel therapeutic regimen for this condition.
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Affiliation(s)
- Siliang Wang
- Department of Pharmacy, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Cheng Tang
- Department of Respiratory Medicine, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Heng Zhao
- Department of Endocrinology, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Peiliang Shen
- School of Pharmacy, School of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Chao Lin
- School of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yun Zhu
- Department of Pharmacy, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Dan Han
- Department of Pharmacy, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
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13
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Shi R, Fu Y, Zhao D, Boczek T, Wang W, Guo F. Cell death modulation by transient receptor potential melastatin channels TRPM2 and TRPM7 and their underlying molecular mechanisms. Biochem Pharmacol 2021; 190:114664. [PMID: 34175300 DOI: 10.1016/j.bcp.2021.114664] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 06/21/2021] [Accepted: 06/22/2021] [Indexed: 10/21/2022]
Abstract
Transient receptor potential melastatin (TRPM) channels are members of the transient receptor potential (TRP) channels, a family of evolutionarily conserved integral membrane proteins. TRPM channels are nonselective cation channels, mediating the influx of various ions including Ca2+, Na+ and Zn2+. The function of TRPM channels is vital for cell proliferation, cell development and cell death. Cell death is a key procedure during embryonic development, organism homeostasis, aging and disease. The category of cell death modalities, beyond the traditionally defined concepts of necrosis, autophagy, and apoptosis, were extended with the discovery of pyroptosis, necroptosis and ferroptosis. As upstream signaling regulators of cell death, TRPM channels have been involved inrelevant pathologies. In this review, we introduced several cell death modalities, then summarized the contribution of TRPM channels (especially TRPM2 and TRPM7) to different cell death modalities and discussed the underlying regulatory mechanisms. Our work highlighted the possibility of TRPM channels as potential therapeutic targets in cell death-related diseases.
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Affiliation(s)
- Ruixue Shi
- Department of Pharmaceutical Toxicology, School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Yu Fu
- Department of Pharmaceutical Toxicology, School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Dongyi Zhao
- The University of Tokyo, Department of Pharmaceutical Science, 1130033, Japan
| | - Tomasz Boczek
- Department of Molecular Neurochemistry, Medical University of Lodz, 92215, Poland.
| | - Wuyang Wang
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou 221004, China.
| | - Feng Guo
- Department of Pharmaceutical Toxicology, School of Pharmacy, China Medical University, Shenyang 110122, China.
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14
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Jantararussamee C, Rodniem S, Taweechotipatr M, Showpittapornchai U, Pradidarcheep W. Hepatoprotective Effect of Probiotic Lactic Acid Bacteria on Thioacetamide-Induced Liver Fibrosis in Rats. Probiotics Antimicrob Proteins 2021; 13:40-50. [PMID: 32468435 DOI: 10.1007/s12602-020-09663-6] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Hepatic fibrosis is a reversible wound-healing response characterized by the accumulation of extracellular matrix. Probiotics have been used to prevent and treat various disorders. The aim of the present study was to investigate the hepatoprotective effects of probiotic lactic acid bacteria (mixture of Lactobacillus paracasei, Lactobacillus casei, and Weissella confusa) on thioacetamide (TAA)-induced liver fibrosis in rats. Thirty-five male Wistar rats were randomly divided into five groups: (1) control, (2) TAA, (3) TAA+probiotics, (4) TAA+silymarin, and (5) probiotics. Group 1 rats received a standard diet. In groups 2-4, fibrosis was induced by intraperitoneal injection of TAA (200 mg/kg BW) 3 times weekly for 8 consecutive weeks. Group 4 received TAA plus 100 mg/kg BW of silymarin 2 times weekly. Groups 3 and 5 were fed 109 CFU/mL viable microbial cells daily by gavage. The rats were sacrificed after 8 weeks of treatment. Liver tissues were collected immediately and processed for histopathological, lipid peroxidation, and Western blot analyses of TNF-α, TGF-β1, and α-SMA. Blood serum was collected to measure liver enzymes. Rats in the TAA groups suffered from hepatic injury (increased serum enzyme levels, liver inflammation, and increased concentration of TNF-α, TGF-β1, and α-SMA proteins) and extensive liver fibrosis. In contrast, TAA-treated rats receiving probiotics or silymarin had significantly lower serum enzyme levels, less inflammation, and less fibrosis. Liver damage was lower in the TAA+probiotics-treated group. Consumption of a mixture of probiotic lactic acid bacteria attenuates the development of liver fibrosis.
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Affiliation(s)
- Chittapon Jantararussamee
- Department of Anatomy, Faculty of Medicine, Srinakharinwirot University, Sukhumvit 23 Rd, Bangkok, 10110, Thailand
| | - Siripa Rodniem
- Department of Anatomy, Faculty of Medicine, Srinakharinwirot University, Sukhumvit 23 Rd, Bangkok, 10110, Thailand
| | - Malai Taweechotipatr
- Department of Microbiology, Faculty of Medicine, Srinakharinwirot University, Sukhumvit 23 Rd, Bangkok, 10110, Thailand
| | - Udomsri Showpittapornchai
- Department of Anatomy, Faculty of Medicine, Srinakharinwirot University, Sukhumvit 23 Rd, Bangkok, 10110, Thailand
| | - Wisuit Pradidarcheep
- Department of Anatomy, Faculty of Medicine, Srinakharinwirot University, Sukhumvit 23 Rd, Bangkok, 10110, Thailand.
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15
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Zhang Y, Bobe G, Miranda CL, Lowry MB, Hsu VL, Lohr CV, Wong CP, Jump DB, Robinson MM, Sharpton TJ, Maier CS, Stevens JF, Gombart AF. Tetrahydroxanthohumol, a xanthohumol derivative, attenuates high-fat diet-induced hepatic steatosis by antagonizing PPARγ. eLife 2021; 10:e66398. [PMID: 34128467 PMCID: PMC8205491 DOI: 10.7554/elife.66398] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 05/18/2021] [Indexed: 12/13/2022] Open
Abstract
We previously reported xanthohumol (XN), and its synthetic derivative tetrahydro-XN (TXN), attenuates high-fat diet (HFD)-induced obesity and metabolic syndrome in C57Bl/6J mice. The objective of the current study was to determine the effect of XN and TXN on lipid accumulation in the liver. Non-supplemented mice were unable to adapt their caloric intake to 60% HFD, resulting in obesity and hepatic steatosis; however, TXN reduced weight gain and decreased hepatic steatosis. Liver transcriptomics indicated that TXN might antagonize lipogenic PPARγ actions in vivo. XN and TXN inhibited rosiglitazone-induced 3T3-L1 cell differentiation concomitant with decreased expression of lipogenesis-related genes. A peroxisome proliferator activated receptor gamma (PPARγ) competitive binding assay showed that XN and TXN bind to PPARγ with an IC50 similar to pioglitazone and 8-10 times stronger than oleate. Molecular docking simulations demonstrated that XN and TXN bind in the PPARγ ligand-binding domain pocket. Our findings are consistent with XN and TXN acting as antagonists of PPARγ.
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Affiliation(s)
- Yang Zhang
- School of Biological and Population Health Sciences, Nutrition Program, Linus Pauling Institute, Oregon State UniversityCorvallisUnited States
| | - Gerd Bobe
- Department of Animal Sciences, Linus Pauling Institute, Oregon State UniversityCorvallisUnited States
| | - Cristobal L Miranda
- Department of Pharmaceutical Sciences, Linus Pauling Institute, Oregon State UniversityCorvallisUnited States
| | - Malcolm B Lowry
- Department of Microbiology, Oregon State UniversityCorvallisUnited States
| | - Victor L Hsu
- Department of Biochemistry and Biophysics, Oregon State UniversityCorvallisUnited States
| | - Christiane V Lohr
- Department of Biomedical Science, Carlson College of Veterinary MedicineCorvallisUnited States
| | - Carmen P Wong
- School of Biological and Population Health Sciences, Nutrition Program, Linus Pauling Institute, Oregon State UniversityCorvallisUnited States
| | - Donald B Jump
- School of Biological and Population Health Sciences, Nutrition Program, Linus Pauling Institute, Oregon State UniversityCorvallisUnited States
| | - Matthew M Robinson
- School of Biological and Population Health Sciences, Kinesiology Program, Oregon State UniversityCorvallisUnited States
| | - Thomas J Sharpton
- Department of Microbiology, Department of Statistics, Oregon State UniversityCorvallisUnited States
| | - Claudia S Maier
- Department of Chemistry, Linus Pauling Institute, Oregon State UniversityCorvallisUnited States
| | - Jan F Stevens
- Department of Pharmaceutical Sciences, Linus Pauling Institute, Oregon State UniversityCorvallisUnited States
| | - Adrian F Gombart
- Linus Pauling Institute, Department of Biochemistry and Biophysics, Oregon State UniversityCorvallisUnited States
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16
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Taurine ameliorates thioacetamide induced liver fibrosis in rats via modulation of toll like receptor 4/nuclear factor kappa B signaling pathway. Sci Rep 2021; 11:12296. [PMID: 34112866 PMCID: PMC8192756 DOI: 10.1038/s41598-021-91666-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 05/13/2021] [Indexed: 02/06/2023] Open
Abstract
Liver fibrosis is a significant health problem that can cause serious illness and death. Unfortunately, a standard treatment for liver fibrosis has not been approved yet due to its complicated pathogenesis. The current study aimed at assessing the anti-fibrotic effect of taurine against thioacetamide induced liver fibrosis in rats through the modulation of toll like receptor 4/nuclear factor kappa B signaling pathway. Both concomitant and late taurine treatment (100 mg/kg, IP, daily) significantly reduced the rise in serum ALT and AST activities and significantly reversed the decrease in serum albumin and total protein. These results were confirmed by histopathological examinations and immunehistochemical inspection of α-SMA, caspase-3 and NF-κB. The antioxidant potential of taurine was verified by a marked increase of GSH content and a reduction of MDA level in liver tissue. The anti-fibrotic effects of taurine were evaluated by investigating the expression of TLR4, NF-κB. The protein levels of IL-6, LPS, MyD88, MD2, CD14, TGF-β1 and TNF-α were determined. Docking studies were carried out to understand how taurine interacts inside TLR4-MD2 complex and it showed good binding with the hydrophobic binding site of MD2. We concluded that the anti-fibrotic effect of taurine was attributable to the modulation of the TLR4/NF-κB signaling.
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17
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Cell Therapy and Bioengineering in Experimental Liver Regenerative Medicine: In Vivo Injury Models and Grafting Strategies. CURRENT TRANSPLANTATION REPORTS 2021. [DOI: 10.1007/s40472-021-00325-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Abstract
Purpose of Review
To describe experimental liver injury models used in regenerative medicine, cell therapy strategies to repopulate damaged livers and the efficacy of liver bioengineering.
Recent Findings
Several animal models have been developed to study different liver conditions. Multiple strategies and modified protocols of cell delivery have been also reported. Furthermore, using bioengineered liver scaffolds has shown promising results that could help in generating a highly functional cell delivery system and/or a whole transplantable liver.
Summary
To optimize the most effective strategies for liver cell therapy, further studies are required to compare among the performed strategies in the literature and/or innovate a novel modifying technique to overcome the potential limitations. Coating of cells with polymers, decellularized scaffolds, or microbeads could be the most appropriate solution to improve cellular efficacy. Besides, overcoming the problems of liver bioengineering may offer a radical treatment for end-stage liver diseases.
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18
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Sharawy MH, El-Awady MS, Makled MN. Protective effects of paclitaxel on thioacetamide-induced liver fibrosis in a rat model. J Biochem Mol Toxicol 2021; 35:e22745. [PMID: 33749060 DOI: 10.1002/jbt.22745] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 01/13/2021] [Accepted: 02/10/2021] [Indexed: 01/18/2023]
Abstract
Liver fibrosis is a public health burden that is highly associated with morbidity and mortality. Therefore, this study aims to explore the anti-fibrotic effects of low dose of paclitaxel (PTX) against thioacetamide (TAA)-induced liver fibrosis in rats and the possible mechanisms involved. TAA was administered at a dose of 200 mg/kg twice weekly for 6 weeks in rats to induce liver fibrosis similar to that in humans. Liver dysfunction was shown by increased alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, and γ-glutamyl transferase, along with histopathological changes. Liver fibrosis was confirmed by Masson's Trichome staining, increased collagen content, and elevated α-smooth muscle actin (α-SMA) protein expression. In addition, TAA induced liver apoptosis as indicated by the increased terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL)-positive cells in liver tissues. This study demonstrated that the administration of PTX (0.3 mg/kg/i.p.) three times a week for 6 weeks significantly alleviated functional and biochemical changes induced by TAA in addition to improving the liver architecture. PTX attenuated liver fibrosis as reflected by the decreased collagen content and α-SMA protein expression. Additionally, PTX attenuated liver apoptosis as indicated by the decreased TUNEL-positive cells. Moreover, PTX prevented TAA-induced elevation of transforming growth factor-β1 (TGF-β1), platelet-derived growth factor-BB (PDGF-BB), and tissue inhibitor of metalloproteinase 1 (TIMP-1) levels in liver tissues. These findings suggest that the low dose of PTX prevented TAA-induced liver fibrosis in rats, possibly by inhibiting the expression of TGF-β1 and PDGF-BB and subsequently suppressing the apoptosis and the expression of TIMP-1.
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Affiliation(s)
- Maha H Sharawy
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Mohammed S El-Awady
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt.,Department of Pharmacology and Toxicology, College of Pharmacy, Taibah University, Al-Madinah Al-Munawwarah, Saudi Arabia
| | - Mirhan N Makled
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
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19
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Mu LY, Li SQ, Tang LX, Li R. Efficacy and Safety of Emricasan in Liver Cirrhosis and/or Fibrosis. Clinics (Sao Paulo) 2021; 76:e2409. [PMID: 34133478 PMCID: PMC8183342 DOI: 10.6061/clinics/2021/e2409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 01/04/2021] [Indexed: 11/18/2022] Open
Abstract
This study aimed to perform a meta-analysis to determine the efficacy and safety of emricasan. Nine databases were searched for clinical trials investigating the efficacy of emricasan treatment in patients with liver cirrhosis or fibrosis. A manual search was conducted to identify the missing trials. The quality of the included studies was assessed using the revised Cochrane risk of bias tool. Efficacy of emricasan treatment was defined as a positive change in apoptosis-related parameters from baseline to the last follow-up visit. Overall, emricasan treatment is more effective in patients with liver cirrhosis or fibrosis than placebo (standardized mean difference [SMD] [95% confidence intervals (CI)]=0.28 [0.14; 0.41]). No significant change in model for end-stage liver disease (MELD) score between the emricasan and placebo groups was noted (SMD [95% CI]=0.18 [-0.01; 0.36]; p=0.058). A 50 mg dose of emricasan had the highest efficacy rate compared to placebo (SMD [95% CI]=0.28 [0.06; 0.50]; p=0.012), followed by the 5 mg dosing regimen (SMD [95% CI]=0.28 [0.06; 0.50]; p=0.012). Treatment with emricasan resulted in significant reductions in ALT (mean difference (MD) [95% CI]=-5.89 [-10.59; -1.20]; p=0.014) and caspase3/7 levels (MD [95%CI]=-1215.93 [-1238.53; -1193.33]; p<0.001), respectively. No significant increase in the rate of overall adverse events was noted (OR [95% CI]=1.52 [0.97; 2.37]; p=0.069). Treatment with emricasan is more effective in improving liver function and apoptosis parameters compared to placebo, with a well-tolerated safety profile. However, due to the poor quality of the analyzed studies, the small number of trials and patients, and the short follow-up periods, more robust trials are still warranted.
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Affiliation(s)
- Li-ya Mu
- Department of Gastroenterology, Heilongjiang Provincial Hospital, Harbin, Heilongjiang 150030, China
| | - Shu-qin Li
- Department of Gastroenterology, Heilongjiang Provincial Hospital, Harbin, Heilongjiang 150030, China
| | - Li-xin Tang
- Department of Gastroenterology, Heilongjiang Provincial Hospital, Harbin, Heilongjiang 150030, China
| | - Rui Li
- Department of Gastroenterology, Heilongjiang Provincial Hospital, Harbin, Heilongjiang 150030, China
- Corresponding author. E-mail:
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Salehi E, Mashayekh M, Taheri F, Gholami M, Motaghinejad M, Safari S, Sepehr A. Curcumin Can be Acts as Effective agent for Prevent or Treatment of Alcohol-induced Toxicity in Hepatocytes: An Illustrated Mechanistic Review. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2021; 20:418-436. [PMID: 34400970 PMCID: PMC8170768 DOI: 10.22037/ijpr.2020.112852.13985] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Previous studies have shown that alcohol abuse can cause serious liver damage and cirrhosis. The main pathway for these types of hepatocellular cell neurodegeneration is mitochondrial dysfunction, which causes lipid peroxidation and dysfunction of the glutathione ring and the defect of antioxidant enzymes in alcoholic hepatic cells. Alcohol can also initiate malicious inflammatory pathways and trigger the initiation and activation of intestinal and extrinsic apoptosis pathways in hepatocellular tissues that lead to cirrhosis. Previous studies have shown that curcumin may inhibit lipid peroxidation, glutathione dysfunction and restore antioxidant enzymes. Curcumin also modulates inflammation and the production of alcohol-induced biomarkers. Curcumin has been shown to play a critical role in the survival of alcoholic hepatocellular tissue. It has been shown that curcumin can induce and trigger mitochondrial biogenesis and, by this mechanism, prevent the occurrence of both intrinsic and extrinsic apoptosis pathways in liver cells that have been impaired by alcohol. According to this mechanism, curcumin may protect hepatocellular tissue from alcohol-induced cell degeneration and may therefore survive alcoholic hepatocellular tissue. . Based on these mechanisms, the protective functions of curcumin against alcohol-induced cell degeneration due to oxidative stress, inflammation, and apoptosis events in hepatocellular tissue have been recorded. Hence, in this research, we have attempted to evaluate and analyze the main contribution mechanism of curcumin cell defense properties against alcohol-induced hepatocellular damage, according to previous experimental and clinical studies, and in this way we report findings from major studies.
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Affiliation(s)
- Elham Salehi
- Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Chemistry, Pharmaceutical Sciences Branch, Islamic Azad University (IUAPS), Tehran, Iran.
| | - Mohammad Mashayekh
- Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Chemistry, Pharmaceutical Sciences Branch, Islamic Azad University (IUAPS), Tehran, Iran.
| | - Fereshteh Taheri
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Mina Gholami
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
| | - Majid Motaghinejad
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Sepideh Safari
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Afrah Sepehr
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran.
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21
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Combination of hepatocyte fraction and diffusion-weighted imaging as a predictor in quantitative hepatic fibrosis evaluation. Abdom Radiol (NY) 2020; 45:3681-3689. [PMID: 32266505 DOI: 10.1007/s00261-020-02520-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVE To investigate the performance of the combined hepatocyte fraction (HepF) and apparent diffusion coefficient (ADC) values to stage hepatic fibrosis (HF) in patients with hepatitis B/C. MATERIALS AND METHODS A total of 281 patients with hepatitis B/C prospectively underwent gadoxetate disodium-based T1 mapping and diffusion-weighted imaging. HepF was determined from pre and postcontrast T1 mapping with pharmacokinetics. The independent predictors of the HF stage (S0-4) were identified from HepF, ADC, conventional T1-based parameters, and age using a logistic regression analysis. The performances of independent and combined predictors in diagnosing various HF stages were compared by analyzing receiver operating characteristic curves. The intraclass correlation coefficient (ICC) was used to assess the interobserver reproducibility of each predictor. RESULTS In total, 167 patients with various stages of HF were included. All measurements had excellent interobserver agreement (ICC ≥ 0.75). The hepatic relative enhancement, HepF ,and ADC values were significantly different among various HF stages (p < 0.05). The HepF and ADC were independent predictors of > S0, > S1, > S2 , and > S3 disease (p < 0.05). T1Liver, T1Spleen, and T1Liver/Spleen were independent predictors of S > 2 disease (p < 0.05). The performance of HepF combined with the ADC (area under the curve (AUC) = 0.84-0.95) was higher than HepF (AUC = 0.79-0.92) or ADC (AUC = 0.82-0.89) alone in diagnosing > S0, > S1, > S2 , and > S3 disease. CONCLUSION The combined predictor of HepF and ADC shows acceptable performance for staging HF.
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El-Ashmawy NE, Al-Ashmawy GM, Fakher HE, Khedr NF. The role of WNT/β-catenin signaling pathway and glutamine metabolism in the pathogenesis of CCl 4-induced liver fibrosis: Repositioning of niclosamide and concerns about lithium. Cytokine 2020; 136:155250. [PMID: 32882667 DOI: 10.1016/j.cyto.2020.155250] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 08/09/2020] [Accepted: 08/10/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND Liver fibrosis is a serious health problem which may lead to advanced liver cirrhosis and hepatocellular carcinoma. OBJECTIVE The present study aimed to investigate the role of Wnt/β-catenin signaling pathway and glutamine aminohydrolase enzyme (l-glutaminase) in the pathogenesis of liver fibrosis and the potential benefits of niclosamide in treating liver fibrosis. METHODS Ninety male Albino rats were divided into 6 equal groups (n = 15) as follows: a normal control group (NC), CCl4-only treated group (Fib.) which received 1 mg/kg CCl4 two times weekly, niclosamide-treated group (Niclo.) which received 5 mg/kg of niclosamide one time daily, lithium chloride-treated group (LiCl) which received 100 mg/kg of LiCl one time daily, niclosamide-and-CCl4-treated group (Niclo. + Fib.) which received same doses of niclosamide and CCl4 given to other groups, and finally lithium chloride-and-CCl4-treated rat group (LiCl + Fib.) which received same doses of LiCl and CCl4 given to other groups. All treatments were administered orally for 8 weeks. Liver tissue was assessed for l-hydroxyproline, beta-catenin (β-catenin), l-glutaminase activity, as well as the gene expression of transforming growth factor beta-1 (TGF-β1) and Dishevelled-2 (Dvl2). Histopathological and immunohistochemical analyses of alpha smooth muscle actin α-SMA were performed. Serum alanine transaminase (ALT), aspartate transaminase (AST), and total bilirubin were measured. RESULTS The group of niclosamide-and-CCl4-treated rats showed a significant decrease in total bilirubin, ALT and AST, β-catenin, l-hydroxyproline, l-glutaminase activity, and gene expression of TGF-β1 and Dvl2. Moreover, the liver tissue in this group of rats showed mild α-SMA reactivity compared with the rats treated with CCl4 only (fibrosis group). On the other hand, lithium chloride-and-CCl4-treated rats showed a significant increase in liver indices, TGF-β1 expression, β-catenin, l-hydroxyproline, and l-glutaminase activity with severe α-SMA reactivity and apoptosis in the liver tissue. CONCLUSIONS Niclosamide protected rats against liver fibrosis by inhibiting the Wnt/β-catenin pathway and glutaminolysis.
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Affiliation(s)
- Nahla E El-Ashmawy
- Department of Biochemistry, Faculty of Pharmacy, Tanta University, Postal code: 31527, Egypt
| | - Ghada M Al-Ashmawy
- Department of Biochemistry, Faculty of Pharmacy, Tanta University, Postal code: 31527, Egypt
| | - Hoda E Fakher
- Department of Biochemistry, Faculty of Pharmacy, Menoufia University, Postal code: 32511, Egypt.
| | - Naglaa F Khedr
- Department of Biochemistry, Faculty of Pharmacy, Tanta University, Postal code: 31527, Egypt
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Syed AA, Reza MI, Shafiq M, Kumariya S, Singh P, Husain A, Hanif K, Gayen JR. Naringin ameliorates type 2 diabetes mellitus-induced steatohepatitis by inhibiting RAGE/NF-κB mediated mitochondrial apoptosis. Life Sci 2020; 257:118118. [PMID: 32702445 DOI: 10.1016/j.lfs.2020.118118] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 07/10/2020] [Accepted: 07/15/2020] [Indexed: 12/20/2022]
Abstract
AIMS Recent findings have instituted the role of hyperglycemia-related AGE/RAGE and NF-κB in instigating reactive oxygen species (ROS) mediated mitochondrial dysfunction and apoptosis of hepatocyte, which leads to steatohepatitis. Naringin, a flavanone glycoside found to possess myriads of pharmacological benefits along with its antioxidant and anti-inflammatory properties. Consequently, we aimed to decipher the effect of naringin on RAGE/NF-κB mediated mitochondrial apoptosis in type 2 diabetes mellitus (T2DM)-induced steatohepatitis. MAIN METHODS Hepatic HepG2 cells were cultured in palmitic acid medium with and without naringin. Lipid content was examined by Oil Red O and Nile Red staining. Cellular apoptosis was determined by Annexin V-FITC/PI staining. An experimental T2DM-induced steatohepatitis was developed in Sprague Dawley rats by high-fat diet (HFD) for 12 weeks. The naringin was administrated orally at a dose of 100 mg/kg, daily for eight weeks. Glucose and insulin tolerance test was performed. Liver sections were stained by hematoxylin-eosin and picrosirius red. The mRNA and protein expression of RAGE and NF-κB were determined by qPCR, Immunofluorescence, and Immunoblotting. Mitochondrial membrane potential (MMP), cellular and mitochondrial ROS were measured by FACS. KEY FINDINGS Palmitic acid encountered HepG2 cells and HFD fed rats exhibited hyperlipidemia, insulin resistance, abnormal aminotransferases, steatosis, and fibrosis. Besides, the level of AGEs, RAGE, NF-κB, and oxidative stress were exacerbated. Moreover, MMP, cellular and mitochondrial ROS were altered in diabetic rats. Nevertheless, the naringin treatment ameliorated the steatohepatitis by improving the levels of aforementioned parameters. SIGNIFICANCE Collectively, these findings suggested anti-steatohepatitis potential of naringin in diabetics.
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Affiliation(s)
- Anees Ahmed Syed
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Sitapur Road, Lucknow 226031, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Mohammad Irshad Reza
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Sitapur Road, Lucknow 226031, India
| | - Mohammed Shafiq
- Pharmacology Division, CSIR-Central Drug Research Institute, Sitapur Road, Lucknow 226031, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Sanjana Kumariya
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Sitapur Road, Lucknow 226031, India
| | - Pragati Singh
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Sitapur Road, Lucknow 226031, India
| | - Athar Husain
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Sitapur Road, Lucknow 226031, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Kashif Hanif
- Pharmacology Division, CSIR-Central Drug Research Institute, Sitapur Road, Lucknow 226031, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Jiaur R Gayen
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Sitapur Road, Lucknow 226031, India; Pharmacology Division, CSIR-Central Drug Research Institute, Sitapur Road, Lucknow 226031, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi, India.
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Jeng KS, Lu SJ, Wang CH, Chang CF. Liver Fibrosis and Inflammation under the Control of ERK2. Int J Mol Sci 2020; 21:ijms21113796. [PMID: 32471201 PMCID: PMC7312875 DOI: 10.3390/ijms21113796] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 05/19/2020] [Accepted: 05/25/2020] [Indexed: 12/16/2022] Open
Abstract
Chronic liver injury could lead the formation of liver fibrosis, eventually some would develop to hepatocellular carcinoma (HCC), one of the leading malignancies worldwide. The aim of the study is to dissect the role of extracellular signal-regulated kinase 2 (ERK2) signaling in liver fibrosis and inflammation. The choline-deficient, ethionine-supplemented (CDE) diet could lead to fatty livers and generate oval cells, activate hepatocyte stellate cell (HSC) and recruit immune cells as the liver fibrosis model mice. WT and ERK2 deficient (ERK2−/−) mice were compared in terms of liver weight/body weight, liver function, liver fibrosis markers and the differential gene expression in hepatotoxicity. ERK2−/− mice display the less degree of liver fibrosis when compared to WT mice. The protein level of alpha smooth muscle (α-SMA) was reduced and several hepatocellular carcinoma-related genes such as MMP9, FoxM1 were down-regulated. In addition, the cell proliferation and the percentages of activated T cells were reduced in ERK2−/− mice upon liver injury. Therefore, ERK2 plays an important role in regulating liver cirrhosis and inflammation.
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25
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Zhuang T, Gu X, Zhou N, Ding L, Yang L, Zhou M. Hepatoprotection and hepatotoxicity of Chinese herb Rhubarb (Dahuang): How to properly control the "General (Jiang Jun)" in Chinese medical herb. Biomed Pharmacother 2020; 127:110224. [PMID: 32559851 DOI: 10.1016/j.biopha.2020.110224] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 04/29/2020] [Accepted: 04/30/2020] [Indexed: 02/06/2023] Open
Abstract
Chinese herb Rhubarb (Dahuang), one of the most widely used traditional Chinese medicine in clinical application for over a thousand years and known as the "General (Jiang Jun)" in Chinese medical herb, currently used clinically for long-term treatment of gastrointestinal diseases and chronic liver diseases. Through previous researches, it has been identified that Rhubarb possessed a good hepatoprotective effect, which primarily protected liver from oxidation, fibrosis and cirrhosis, liver failure, hepatocellular carcinoma and various types of hepatitis. Meanwhile, it has been recently reported that long-term administration of Rhubarb preparation may undertake the risk of liver damage, which has aroused worldwide doubts about the safety of Rhubarb. Therefore, how to correctly understand the "two-way" effect of Rhubarb on liver protection and liver toxicity provides a basis for scientific evaluation of Rhubarb's efficacy on liver and side effects, as well as guiding clinical rational drug use. In this review, the mechanisms of Rhubarb how to play a role in hepatoprotection and why it causes hepatotoxic potential will be elaborated in detail and critically. In addition, some positive clinical guidances are also advised on how to reduce its hepatotoxicity in medical treatment.
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Affiliation(s)
- Tongxi Zhuang
- Center for Chinese Medicine Therapy and Systems Biology, Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Shanghai Key Laboratory of Complex Prescriptions and MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xinyi Gu
- Center for Chinese Medicine Therapy and Systems Biology, Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Nian Zhou
- Center for Chinese Medicine Therapy and Systems Biology, Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Lili Ding
- Shanghai Key Laboratory of Complex Prescriptions and MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Li Yang
- Center for Chinese Medicine Therapy and Systems Biology, Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Shanghai Key Laboratory of Complex Prescriptions and MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Mingmei Zhou
- Center for Chinese Medicine Therapy and Systems Biology, Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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Zamanian G, Partoazar A, Tavangar SM, Rashidian A, Mirzaei P, Niaz Q, Sharifi K, Dehpour AR, Jazaeri F. Effect of phosphatidylserine on cirrhosis-induced hepatic encephalopathy: Response to acute endotoxemia in cirrhotic rats. Life Sci 2020; 253:117606. [PMID: 32320707 DOI: 10.1016/j.lfs.2020.117606] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 03/22/2020] [Accepted: 03/23/2020] [Indexed: 11/16/2022]
Abstract
BACKGROUND/AIMS In cirrhosis, the levels of proinflammatory cytokines are high in the liver and blood. Endotoxin decreases level of consciousness in cirrhotic rats. Phosphatidylserine exists in the cell membrane structure and is essential for the survival of neurons. Phosphatidylserine receptor is found in phagocytic cells and also activates the signaling of membrane proteins in apoptotic process. Therefore this study was aimed to explore the hypothesis that hepatic encephalopathy is prevented by phosphatidylserine treatment and if so, whether this is associated with altered level of proinflammatory cytokines in the brain. METHODS Cirrhosis was induced by surgical ligation of the bile duct in male Wister rats. The groups were treated with phosphatidylserine and saline for 4 weeks. Brain IL6, TNFα and the expression of phosphatidylserine receptor were assessed. Intraperitoneal injections of either saline or lipopolysaccharide (0.1 mg/kg) were administered to each group. Finally, animal behavior, blood ammonia and the expression of toll like receptor 4 were examined in the brain. RESULTS Cirrhosis in rats was associated with altered expression of toll-like receptor4 in brain cortex and phosphatidylserine treatment increases toll-like receptor4 receptor expression. Phosphatidylserine had anti-inflammatory effect in healthy rats but no effect in cirrhotic rats. Chronic phosphatidylserine treatment decreased blood ammonia in BDL cirrhotic rats treated with lipopolysaccharide. CONCLUSION The brain of cirrhotic rat is more susceptible to acute endotoxemia and chronic phosphatidylserine treatment decreases blood ammonia and encephalopathy in cirrhotic rats by encountering endotoxin. Phosphatidylserine may boost immune system against endotoxin.
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Affiliation(s)
- Golnaz Zamanian
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Partoazar
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Mohammad Tavangar
- Department of Pathology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Amir Rashidian
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Parto Mirzaei
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Qamar Niaz
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Khadijeh Sharifi
- School of Advanced Technologies, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahmad Reza Dehpour
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Farahnaz Jazaeri
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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Ganbold M, Owada Y, Ozawa Y, Shimamoto Y, Ferdousi F, Tominaga K, Zheng YW, Ohkohchi N, Isoda H. Isorhamnetin Alleviates Steatosis and Fibrosis in Mice with Nonalcoholic Steatohepatitis. Sci Rep 2019; 9:16210. [PMID: 31700054 PMCID: PMC6838085 DOI: 10.1038/s41598-019-52736-y] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Accepted: 10/21/2019] [Indexed: 02/07/2023] Open
Abstract
Nonalcoholic steatohepatitis (NASH) is the most severe and progressive form of nonalcoholic fatty liver disease (NAFLD), which can lead to life-threatening conditions, however, there is still no approved drug for the treatment of NASH. In this study we used human-like NASH mouse model and treated orally with isorhamnetin at a dose of 50 mg/kg to analyze the effect of isorhamnetin on the progression of NASH. NASH-induced mice represented severe steatosis with inflammation, and fibrosis in liver accompanied with high level of liver injury markers in serum. Isorhamnetin treatment reduced intrahepatic lipid accumulation and TG content by inhibiting de novo lipogenic pathway in NASH-induced mice. Consistent with this, isorhamnetin-treated NASH mice showed improved liver injury markers, reduced collagen deposition as well as decreased gene expression of fibrogenic markers. Taken together, here we showed for the first time that synthesized isorhamnetin alleviates pathologic features of NASH and thus can potentially contribute to NASH drug development.
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Affiliation(s)
- Munkhzul Ganbold
- School of Integrative and Global Majors (SIGMA), University of Tsukuba, Tsukuba, Ibaraki, 305-8572, Japan
| | - Yohei Owada
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, 305-8575, Japan
| | - Yusuke Ozawa
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, 305-8575, Japan
| | - Yasuhiro Shimamoto
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, 305-8565, Japan
| | - Farhana Ferdousi
- Alliance for Research on the Mediterranean and North Africa (ARENA), University of Tsukuba, Tsukuba, Ibaraki, 305-8577, Japan
| | - Kenichi Tominaga
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, 305-8565, Japan
| | - Yun-Wen Zheng
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, 305-8575, Japan
| | - Nobuhiro Ohkohchi
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, 305-8575, Japan
| | - Hiroko Isoda
- School of Integrative and Global Majors (SIGMA), University of Tsukuba, Tsukuba, Ibaraki, 305-8572, Japan. .,Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, 305-8565, Japan. .,Alliance for Research on the Mediterranean and North Africa (ARENA), University of Tsukuba, Tsukuba, Ibaraki, 305-8577, Japan. .,Faculty of Life and Environment Science, University of Tsukuba, Tsukuba, 305-8572, Japan.
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Zai JA, Khan MR, Mughal ZUN, Batool R, Naz I, Maryam S, Zahra Z. Methanol extract of Iphiona aucheri ameliorates CCl 4 induced hepatic injuries by regulation of genes in rats. Toxicol Res (Camb) 2019; 8:815-832. [PMID: 34055308 PMCID: PMC8142630 DOI: 10.1039/c9tx00157c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 10/18/2019] [Indexed: 12/13/2022] Open
Abstract
We have investigated the protective potential of methanol extract of Iphiona aucheri (IAM) on the expression of endoplasmic reticulum (ER) stress associated genes and inflammatory genes on carbon tetrachloride (CCl4) induced hepatic toxicity in rats. Hepatic damage markers: aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP) and bilirubin were elevated while the content of antioxidants: catalase (CAT), superoxide dismutase (SOD), peroxidase (POD) and reduced glutathione (GSH) were decreased significantly (p < 0.05) in CCl4 treated rats as compared to the control group. The CCl4 intoxication induced a higher expression of glucose-regulated protein 78 kDa (GRP78), X-box-binding protein 1 total (XBP1t), spliced X-box-binding protein 1 (XBP1s), unspliced X-box-binding protein 1 (XBP1u), C/EBP homologous protein (CHOP) and genes involved in inflammation and fibrosis: tumor necrosis factor alpha (TNF-α), transforming growth factor-beta (TGF-β), mothers against DPP homolog 3 (SMAD3), alpha skeletal muscle actin (αSMA) and collagen type I alpha 1 chain (COL1A1). The intoxicated rats showed a low expression of the glutamate-cysteine ligase catalytic subunit (GCLC), protein disulfide isomerase (PDI) and nuclear factor (erythroid-derived 2) like-2 (Nrf2). The administration of IAM to intoxicated rats restored the expression of ER stress, inflammatory, fibrosis and antioxidant genes in a dose dependent manner. Our results indicated that IAM can impede the ER stress and inflammatory genes and it could be a complementary and alternative therapeutic agent for oxidative stress associated disorders.
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Affiliation(s)
- Jawaid Ahmed Zai
- Department of Biochemistry , Faculty of Biological Sciences , Quaid-i-azam University Islamabad , Islamabad , Pakistan . ; ; ; ; ; ;
| | - Muhammad Rashid Khan
- Department of Biochemistry , Faculty of Biological Sciences , Quaid-i-azam University Islamabad , Islamabad , Pakistan . ; ; ; ; ; ;
| | - Zaib Un Nisa Mughal
- Department of Biochemistry , Faculty of Biological Sciences , Quaid-i-azam University Islamabad , Islamabad , Pakistan . ; ; ; ; ; ;
| | - Riffat Batool
- Department of Biochemistry , Faculty of Biological Sciences , Quaid-i-azam University Islamabad , Islamabad , Pakistan . ; ; ; ; ; ;
| | - Irum Naz
- Department of Biochemistry , Faculty of Biological Sciences , Quaid-i-azam University Islamabad , Islamabad , Pakistan . ; ; ; ; ; ;
| | - Sonia Maryam
- Department of Biochemistry , Faculty of Biological Sciences , Quaid-i-azam University Islamabad , Islamabad , Pakistan . ; ; ; ; ; ;
| | - Zartash Zahra
- Department of Biochemistry , Faculty of Biological Sciences , Quaid-i-azam University Islamabad , Islamabad , Pakistan . ; ; ; ; ; ;
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Asokan SM, Hung TH, Li ZY, Chiang WD, Lin WT. Protein hydrolysate from potato confers hepatic-protection in hamsters against high fat diet induced apoptosis and fibrosis by suppressing Caspase-3 and MMP2/9 and by enhancing Akt-survival pathway. Altern Ther Health Med 2019; 19:283. [PMID: 31653214 PMCID: PMC6814989 DOI: 10.1186/s12906-019-2700-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 09/30/2019] [Indexed: 12/19/2022]
Abstract
BACKGROUND A potato protein hydrolysate, APPH is a potential anti-obesity diet ingredient. Since, obesity leads to deterioration of liver function and associated liver diseases, in this study the effect of APPH on high fat diet (HFD) associated liver damages was investigated. METHODS Six week old male hamsters were randomly separated to six groups (n = 8) as control, HFD (HFD fed obese), L-APPH (HFD + 15 mg/kg/day of APPH), M-APPH (HFD + 30 mg/kg/day), H-APPH (HFD + 75 mg/kg/day of APPH) and PB (HFD + 500 mg/kg/day of probucol). HFD fed hamsters were administered with APPH 50 days through oral gavage. The animals were euthanized and the number of apoptotic nuclei in liver tissue was determined by TUNEL staining and the extent of interstitial fibrosis was determined by Masson's trichrome staining. Modulation in the molecular events associated with apoptosis and fibrosis were elucidated from the western blotting analysis of the total protein extracts. RESULTS Hamsters fed with high fat diet showed symptoms of liver damage as measured from serum markers like alanine aminotransferase and aspartate aminotransferase levels. However a 50 day long supplementation of APPH effectively ameliorated the effects of HFD. HFD also modulated the expression of survival and apoptosis proteins in the hamster liver. Further the HFD groups showed elevated levels of fibrosis markers in liver. The increase in fibrosis and apoptosis was correlated with the increase in the levels of phosphorylated extracellular signal-regulated kinases (pERK1/2) revealing a potential role of ERK in the HFD mediated liver damage. However APPH treatment reduced the effect of HFD on the apoptosis and fibrosis markers considerably and provided hepato-protection. CONCLUSION APPH can therefore be considered as an efficient therapeutic agent to ameliorate high fat diet related liver damages.
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Kalantari H, Khodayar MJ, Saki N, Khorsandi L, Teymoori A, Alidadi H, Samimi A. Microarray analysis of apoptosis gene expression in liver injury induced by chronic exposure to arsenic and high-fat diet in male mice. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:26351-26366. [PMID: 31290047 DOI: 10.1007/s11356-019-05907-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Accepted: 07/03/2019] [Indexed: 06/09/2023]
Abstract
Rapid growth in the incidence of liver disease is largely attributable to lifestyle and environmental contaminants, which are often overlooked as the leading causes of this problem. Thus, the possible contribution of arsenic (As) to high-fat diet (HFD)-induced liver damage was examined via microarray analysis. To perform this experiment, a total number of 40 healthy adult male NMRI mice (22-30 g) were used. To this end, these animals were randomly assigned to four groups of 10. Oxidative stress and histopathological parameters were also evaluated in the liver of the mice exposed to a minimally cytotoxic concentration of As (50 ppm) in drinking water while being fed with a HFD for 20 weeks. Subsequently, apoptosis gene expression profiling was utilized via real-time (RT) PCR array analysis. The results showed that As had increased the amount of HFD-induced liver damage and consequently amplified changes in oxidative stress factors, histopathological parameters, as well as apoptosis pathway genes. Investigating the expression profile of apoptosis pathway genes similarly revealed that caspase-8, as a main upstream contributor to the apoptosis pathway, might play an important role in the induction of apoptosis generated by As and HFD. Ultimately, this study highlighted that As in drinking water could increase sensitivity in mice to HFD-induced liver disease through strengthening apoptosis pathway.
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Affiliation(s)
- Heibatullah Kalantari
- Department of Pharmacology and Toxicology, School of Pharmacy, Ahvaz Jundishpur University of Medical Sciences, Ahvaz, Iran
| | - Mohammad Javad Khodayar
- Department of Pharmacology and Toxicology, School of Pharmacy, Ahvaz Jundishpur University of Medical Sciences, Ahvaz, Iran
| | - Najmaldin Saki
- Research Center of Thalassemia & Hemoglobinopathy, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Layasadat Khorsandi
- Cellular and Molecular Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ali Teymoori
- Department of Virology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Hadis Alidadi
- Department of Pharmacology and Toxicology, School of Pharmacy, Ahvaz Jundishpur University of Medical Sciences, Ahvaz, Iran
| | - Azin Samimi
- Department of Pharmacology and Toxicology, School of Pharmacy, Ahvaz Jundishpur University of Medical Sciences, Ahvaz, Iran.
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Li H, Zhang T, Wang K, Lu M, Guo Y, Zhang Y, Chen ZN, Bian H. MFGE8 protects against CCl 4 -induced liver injury by reducing apoptosis and promoting proliferation of hepatocytes. J Cell Physiol 2019; 234:16463-16474. [PMID: 30767216 DOI: 10.1002/jcp.28314] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 01/21/2019] [Accepted: 01/24/2019] [Indexed: 01/24/2023]
Abstract
Milk fat globule-EGF factor 8 (MFGE8) has been reported to play various roles in acute injury and inflammation response. However, the role of MFGE8 in liver injury is poorly investigated. The present research was designed to clarify the expression and function of MFGE8 in carbon tetrachloride (CCl4 )-induced liver injury. Using serum cytokine arrays, we selected a promising cytokine MFGE8 as the candidate in the process of hepatitis-fibrosis-hepatocellular carcinoma (HCC) progression, based on the elevated expression in both hepatic fibrosis and HCC models. We validated the increased expression of MFGE8 in liver tissues and serum samples of acute and chronic CCl4 -induced mice. Immunohistochemistry staining of mouse liver tissues indicated that elevated MFGE8 expression was mainly derived from the injured hepatocytes. In addition, MFGE8 expression in the supernatant of primary hepatocytes was accumulated with prolongation of culture time, and CCl4 treatment further increased the expression of MFGE8. Moreover, a strong correlation between serum MFGE8 expression and liver transaminase activities suggested that MFGE8 may be a novel candidate in liver injury. Intriguingly, mice pretreated with MFGE8 were protected from CCl4 -induced liver injury through antiapoptosis role in the early stage and proproliferation role in the late stage. MFGE8 reduced apoptosis by inhibiting the activation of IRE1α/ASK1/JNK pathway and promoted proliferation by phosphorylation of ERK and AKT. Moreover, serum MFGE8 expression was increased in hepatitis patients while decreased in liver cirrhosis patients. All the results suggest MFGE8 as a novel marker and promising therapeutic agent of liver injury.
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Affiliation(s)
- Hao Li
- Department of Cell Biology, State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, China.,National Translational Science Center for Molecular Medicine, Fourth Military Medical University, Xi'an, China
| | - Tian Zhang
- Department of Cell Biology, State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, China.,Department of Laboratory Medicine and Pathology, The People's Liberation Army 926 Central Hospital, Kaiyuan, Yunnan, China
| | - Ke Wang
- Department of Cell Biology, State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, China.,National Translational Science Center for Molecular Medicine, Fourth Military Medical University, Xi'an, China
| | - Meng Lu
- Department of Cell Biology, State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, China.,National Translational Science Center for Molecular Medicine, Fourth Military Medical University, Xi'an, China
| | - Yonghong Guo
- Department of Infectious Diseases, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Ye Zhang
- Center for Infectious Diseases, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Zhi-Nan Chen
- Department of Cell Biology, State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, China.,National Translational Science Center for Molecular Medicine, Fourth Military Medical University, Xi'an, China
| | - Huijie Bian
- Department of Cell Biology, State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, China.,National Translational Science Center for Molecular Medicine, Fourth Military Medical University, Xi'an, China
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Mohammed MM, Ramadan G, Zoheiry MK, El-Beih NM. Antihepatocarcinogenic activity of whey protein concentrate and lactoferrin in diethylnitrosamine-treated male albino mice. ENVIRONMENTAL TOXICOLOGY 2019; 34:1025-1033. [PMID: 31087429 DOI: 10.1002/tox.22773] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 04/29/2019] [Accepted: 04/30/2019] [Indexed: 06/09/2023]
Abstract
Hepatocellular carcinoma is considered one of the most prevalent and lethal malignancies worldwide. Chemotherapy with cytotoxic agents showed a low response rate with possible toxic effects. Recently, some emphases have been placed on the anticancer properties of bovine whey protein and its components, especially lactoferrin. The present study aimed to evaluate and compare the antihepatocarcinogenic activity of bovine whey protein concentrate (WPC, 300 and 600 mg/kg body weight) and lactoferrin (30 and 60 mg/kg body weight), orally and daily for 14 weeks, in the mice model of diethylnitrosamine (DEN)-induced hepatocarcinogenesis. The results showed that both WPC and lactoferrin (in a dose-dependent manner) alleviated significantly (P < .001) the elevation in serum markers of liver carcinoma and inflammation in the DEN-treated mice. Also, they exhibited a great amelioration in the livers' histological structure of the DEN-treated mice by 37.0% to 66.7%. In addition, they decreased significantly (P < .001) the hepatic DNA fragmentation in the DEN-treated mice by 23.1% to 32.7%. Only, the high doses of WPC and lactoferrin completely modulated the decrease in the activity of liver enzymic antioxidant defense system (catalase, glutathione peroxidase, and superoxide dismutase) and improved significantly (P < .01-.001) the concentration of hepatic reduced glutathione of the DEN-treated mice. Moreover, the high doses of WPC and lactoferrin reduced significantly (P < .05-.001) the elevation in the concentrations of hepatic active caspases 3, 8, and 9 of the DEN-treated mice. In conclusion, both WPC and lactoferrin were effective in inhibiting the hepatocarcinogenic activity of DEN in mice model through their ability to alleviate the hepatic inflammation and apoptosis.
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Affiliation(s)
- Marwa M Mohammed
- Zoology Department, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Gamal Ramadan
- Zoology Department, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Mona K Zoheiry
- Department of Immunology, Theodor Bilharz Research Institute, Giza, Egypt
| | - Nadia M El-Beih
- Zoology Department, Faculty of Science, Ain Shams University, Cairo, Egypt
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Estrogen Deficiency Potentiates Thioacetamide-Induced Hepatic Fibrosis in Sprague-Dawley Rats. Int J Mol Sci 2019; 20:ijms20153709. [PMID: 31362375 PMCID: PMC6696236 DOI: 10.3390/ijms20153709] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 07/28/2019] [Accepted: 07/28/2019] [Indexed: 12/15/2022] Open
Abstract
Hepatic fibrosis is characterized by persistent deposition of extracellular matrix proteins and occurs in chronic liver diseases. The aim of the present study is to investigate whether estrogen deficiency (ED) potentiates hepatic fibrosis in a thioacetamide (TAA)-treated rat model. Fibrosis was induced via intraperitoneal injection (i.p.) of TAA (150 mg/kg/day) for four weeks in ovariectomized (OVX) female, sham-operated female, or male rats. In TAA-treated OVX rats, the activities of serum alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), and γ-glutamyl transferase (GGT) were significantly increased compared to those in TAA-treated sham-operated OVX rats or TAA-treated male rats. Furthermore, α-smooth muscle actin (α-SMA) expression was significantly increased compared to that in TAA-treated sham-operated rats. This was accompanied by the appearance of fibrosis biomarkers including vimentin, collagen-I, and hydroxyproline, in the liver of TAA-treated OVX rats. In addition, ED markedly reduced total glutathione (GSH) levels, as well as catalase (CAT) and superoxide dismutase (SOD) activity in TAA-treated OVX rats. In contrast, hepatic malondialdehyde (MDA) levels were elevated in TAA-treated OVX rats. Apoptosis significantly increased in TAA-treated OVX rats, as reflected by elevated p53, Bcl-2, and cleaved caspase 3 levels. Significant increases in interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) concentrations were exhibited in TAA-treated OVX rats, and this further aggravated fibrosis through the transforming growth factor-β (TGF-β)/Smad pathway. Our data suggest that ED potentiates TAA-induced oxidative damage in the liver, suggesting that ED may enhance the severity of hepatic fibrosis in menopausal women.
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Lin X, Li J, Xing YQ. Geniposide, a sonic hedgehog signaling inhibitor, inhibits the activation of hepatic stellate cell. Int Immunopharmacol 2019; 72:330-338. [DOI: 10.1016/j.intimp.2019.04.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 04/06/2019] [Accepted: 04/07/2019] [Indexed: 11/27/2022]
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Asokan SM, Wang RY, Hung TH, Lin WT. Hepato-protective effects of Glossogyne tenuifolia in Streptozotocin-nicotinamide-induced diabetic rats on high fat diet. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 19:117. [PMID: 31170991 PMCID: PMC6554944 DOI: 10.1186/s12906-019-2529-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 05/23/2019] [Indexed: 01/26/2023]
Abstract
Background Glossogyne tenuifolia (GT) is a traditional herbal tea in Penghu Island, Taiwan. Its extract is traditionally been used as an antipyretic, hepatoprotective and anti-inflammatory remedy in folk medicine among local residents. The present study investigated whether GT could improve streptozotocin-induced acute liver injury of type 2 diabetes mellitus. Methods Male Wistar rats aged eight weeks were induced to be hyperglycemic by the subcutaneous injection of streptozotocin-nicotinamide (STZ-NA) and a combination of a high-fat diet (HFD) (N group). The animals were given GT extracts at a low dose (50 mg/kg) (L group) or a high dose (150 mg/kg) (H group) or an anti-diabetic drug (acarbose) (P group) in drinking water for 4 weeks. Results The results revealed that STZ-NA increased hepatomegaly, hepatocyte cross-sectional area, hypertrophy-related pathways (IL6/STAT3-MEK5-ERK5, NFATc3, p38 and JNK MAPK), proapoptotic molecules (cytochrome C, cleaved caspase-3), and fibrosis-related pathways (FGF-2, pERK1/2). These pathway components were then expressed at lower levels in the L and H group when compared with the N group. The liver-protective effect of GT in STZ-NA-induced diabetic rats with hyperlipidemia was through an enhancement in the activation of the compensatory PI3K-Akt and Bcl2 survival-related pathway. Conclusion The results demonstrate that the hot water extracts of GT efficiently ameliorates the STZ-NA-induced diabetes associated liver damage in rat models.
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Shedid SM, Abdel-Magied N, Saada HN. Role of betaine in liver injury induced by the exposure to ionizing radiation. ENVIRONMENTAL TOXICOLOGY 2019; 34:123-130. [PMID: 30311401 DOI: 10.1002/tox.22664] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 09/19/2018] [Accepted: 09/23/2018] [Indexed: 06/08/2023]
Abstract
Oxidative stress, apoptosis, and fibrosis may play a major role in the development of radiation-induced liver damage. Betaine, a native compound widely present in beetroot, was reported to possess hepato-protective properties. The objective of this study was to investigate the influence of betaine on radiation-induced liver damage. Animals were exposed to 9 Gy applied in 3 doses of 3 Gy/wk. Betaine (400 mg/kg/d), was orally supplemented to rats after the first radiation dose, and daily during the irradiation period. Animals were sacrificed 1 day after the last dose of radiation. The results showed that irradiation has induced oxidative stress in the liver denoted by a significant elevation in malondialdehyde, protein carbonyl, and 8-hydroxy-2-deoxyguanosine with a significant reduction in catalase activity and glutathione (GSH) content. The activity of the detoxification enzyme cytochrome P450 (CYP450) increased while GSH transferase (GSH-T) decreased. The activity of the apoptotic marker caspase-3 increased concomitant with increased hyaluronic acid, hydroxyproline, laminin (LN), and collagen IV. These alterations were associated with a significant increase of gamma-glutamyl transferase, alkaline phosphatase and alanine and aspartate aminotransferase markers of liver dysfunction. Betaine treatment has significantly attenuated oxidative stress, decreased the activity of CYP450, enhanced GSH-T, reduced the activity of caspase-3, and the level of fibrotic markers concomitant with a significant improvement of liver function. In conclusion, betaine through its antioxidant activity and by enhancing liver detoxification and reducing apoptosis may alleviate the progression of liver fibrosis and exert a beneficial impact on radiation-induced liver damage.
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Affiliation(s)
- Shereen M Shedid
- Radiation Biology Research Department, National Centre for Radiation Research and Technology (NCRRT), Atomic Energy Authority (AEA), Cairo, Egypt
| | - Nadia Abdel-Magied
- Radiation Biology Research Department, National Centre for Radiation Research and Technology (NCRRT), Atomic Energy Authority (AEA), Cairo, Egypt
| | - Helen N Saada
- Radiation Biology Research Department, National Centre for Radiation Research and Technology (NCRRT), Atomic Energy Authority (AEA), Cairo, Egypt
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Mononuclear-cell-derived microparticles attenuate endothelial inflammation by transfer of miR-142-3p in a CD39 dependent manner. Purinergic Signal 2018; 14:423-432. [PMID: 30244433 DOI: 10.1007/s11302-018-9624-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 08/29/2018] [Indexed: 12/22/2022] Open
Abstract
Plasma microparticles (MP) bear functional active ectonucleotidases of the CD39 family with implications in vascular inflammation. MP appear to be able to fuse with cells and transfer genetic information. Here, we tested whether levels of different immunomodulatory microRNAs (miRs) in plasma MP are modulated by CD39 after experimental hepatectomy. We further investigated whether horizontal transfer of miR-142-3p between mononuclear (MNC) and endothelial cells via MP is regulated by purinergic signaling. Partial hepatectomy was performed in C57BL/6 wild type and Cd39 null mice. MP were collected via ultracentrifugation. MNC were stimulated with nucleotides and nucleosides, in vitro, and tested for miR-142-3p levels. Fusion of MNC-derived MP and endothelial cells with subsequent transfer of miR-142-3p was imaged by flow cytometry and confocal microscopy. Endothelial inflammation and apoptosis were quantified after transfection with miR-142-3p. Significantly lower miR-142-3p levels were observed in plasma MP of Cd39 null mice after partial hepatectomy, when compared to C57BL/6 wild types (p < 0.05). In contrast to extracellular nucleotides, anti-inflammatory adenosine significantly increased miR-142-3p levels in MNC-derived MP, in vitro (p < 0.05). MNC-derived MP are able to transfer miR-142-3p to endothelial cells by fusion. Transfection of endothelial cells with miR-142-3p decreased TNF-α levels (p < 0.05) and endothelial apoptosis (p < 0.05). MiR-142-3p levels in MNC-derived MP are modulated by nucleoside signaling and might reflect compensatory responses in vascular inflammation. Our data suggest the transfer of genetic information via shed MP as a putative mechanism of intercellular communication-with implications in organ regeneration.
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Dai G, Sun B, Wu L, Gao X, Song S, Sun H, Ju W. Comparative pharmacokinetics of three alkaloids in normal and acute hepatitis rats after oral administration of Yanhuanglian total alkaloids extract. Biomed Chromatogr 2018; 32:e4329. [PMID: 29972688 DOI: 10.1002/bmc.4329] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 06/18/2018] [Accepted: 06/27/2018] [Indexed: 12/18/2022]
Affiliation(s)
- Guoliang Dai
- Department of Clinical Pharmacology; Affiliated Hospital of Nanjing University of Chinese Medicine; Nanjing China
| | - Bingting Sun
- TCM Research Institution; the Third Affiliated Hospital of Nanjing University of Chinese Medicine; Nanjing China
| | - Lei Wu
- Department of Pharmacy; Affiliated Hospital of Nanjing University of Chinese Medicine; Nanjing China
| | - Xiaojun Gao
- Department of Pharmacy; Affiliated Hospital of Nanjing University of Chinese Medicine; Nanjing China
| | - Shanshan Song
- Department of Clinical Pharmacology; Affiliated Hospital of Nanjing University of Chinese Medicine; Nanjing China
| | - Hong Sun
- Department of Clinical Pharmacology; Affiliated Hospital of Nanjing University of Chinese Medicine; Nanjing China
| | - Wenzheng Ju
- Department of Clinical Pharmacology; Affiliated Hospital of Nanjing University of Chinese Medicine; Nanjing China
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Elalfy H, Besheer T, Elhammady D, Mohamed MA, El-Hussiny MAB, Elkashef W, El-Deek BS, Mohamed Alsayed SA. Model for Non-Invasive Diagnosis of NAFLD Incorporating Caspase 3-Cleaved Cytokeratin-18: A Clinical, Serological, and Immunohistochemical Analysis. HEPATITIS MONTHLY 2018; 18. [DOI: 10.5812/hepatmon.60168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/29/2023]
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Brea R, Motiño O, Francés D, García-Monzón C, Vargas J, Fernández-Velasco M, Boscá L, Casado M, Martín-Sanz P, Agra N. PGE 2 induces apoptosis of hepatic stellate cells and attenuates liver fibrosis in mice by downregulating miR-23a-5p and miR-28a-5p. Biochim Biophys Acta Mol Basis Dis 2018; 1864:325-337. [PMID: 29109031 DOI: 10.1016/j.bbadis.2017.11.001] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 10/30/2017] [Accepted: 11/01/2017] [Indexed: 02/07/2023]
Abstract
MicroRNAs (miRNAs), small noncoding RNAs modulating messenger RNA (mRNA) and protein expression, have emerged as key regulatory molecules in chronic liver diseases, whose end stage is hepatic fibrosis, a major global health burden. Pharmacological strategies for prevention or treatment of hepatic fibrosis are still limited, what makes it necessary to establish a better understanding of the molecular mechanisms underlying its pathogenesis. In this context, we have recently shown that cyclooxygenase-2 (COX-2) expression in hepatocytes restricts activation of hepatic stellate cells (HSCs), a pivotal event in the initiation and progression of hepatic fibrosis. Here, we evaluated the role of COX-2 in the regulation of a specific set of miRNAs on a mouse model of CCl4 and bile duct ligation (BDL)-induced liver fibrosis. Our results provide evidence that COX-2 represses miR-23a-5p and miR-28-5p expression in HSC. The decrease of miR-23a-5p and miR-28-5p expression promotes protection against fibrosis by decreasing the levels of pro-fibrogenic markers α-SMA and COL1A1 and increasing apoptosis of HSC. Moreover, we demonstrate that serum levels of miR-28-5p are decreased in patients with chronic liver disease. These results suggest a protective effect exerted by COX-2-derived prostanoids in the process of hepatofibrogenesis.
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Affiliation(s)
- R Brea
- Instituto de Investigaciones Biomédicas (IIB) "Alberto Sols", CSIC-UAM, Arturo Duperier 4, 28029 Madrid, Spain
| | - O Motiño
- Instituto de Investigaciones Biomédicas (IIB) "Alberto Sols", CSIC-UAM, Arturo Duperier 4, 28029 Madrid, Spain
| | - D Francés
- Instituto de Fisiología Experimental (IFISE-CONICET), Suipacha 570, 2000 Rosario, Argentina
| | - C García-Monzón
- Liver Research Unit, Hospital Universitario Santa Cristina, Instituto de Investigación Sanitaria Princesa, Amadeo Vives 2, 28009 Madrid, Spain
| | - J Vargas
- Liver Research Unit, Hospital Universitario Santa Cristina, Instituto de Investigación Sanitaria Princesa, Amadeo Vives 2, 28009 Madrid, Spain
| | - M Fernández-Velasco
- Instituto de Investigación Hospital Universitario La Paz, IDIPAZ, Pedro Rico 6, 28029 Madrid, Spain
| | - L Boscá
- Instituto de Investigaciones Biomédicas (IIB) "Alberto Sols", CSIC-UAM, Arturo Duperier 4, 28029 Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Monforte de Lemos 3-5, 28029 Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERcv), Monforte de Lemos 3-5, 28029 Madrid, Spain
| | - M Casado
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Monforte de Lemos 3-5, 28029 Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERcv), Monforte de Lemos 3-5, 28029 Madrid, Spain; Instituto de Biomedicina de Valencia, IBV-CSIC, Jaume Roig 11, 46010 Valencia, Spain
| | - P Martín-Sanz
- Instituto de Investigaciones Biomédicas (IIB) "Alberto Sols", CSIC-UAM, Arturo Duperier 4, 28029 Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Monforte de Lemos 3-5, 28029 Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERcv), Monforte de Lemos 3-5, 28029 Madrid, Spain.
| | - N Agra
- Instituto de Investigaciones Biomédicas (IIB) "Alberto Sols", CSIC-UAM, Arturo Duperier 4, 28029 Madrid, Spain.
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Tiefensee Ribeiro C, Gasparotto J, Teixeira AA, Portela LVC, Flores VNL, Moreira JCF, Gelain DP. Immune neutralization of the receptor for advanced glycation end products reduce liver oxidative damage induced by an acute systemic injection of lipopolysaccharide. J Biochem 2018; 163:515-523. [DOI: 10.1093/jb/mvy013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 12/26/2017] [Indexed: 02/07/2023] Open
Affiliation(s)
| | | | | | - Luis Valmor Cruz Portela
- Laboratório de Neurotrauma e Biomarcadores, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos, 2600–Anexo, CEP 90035-003 Porto Alegre, Rio Grande do Sul, Brazil
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de Oliveira da Silva B, Ramos LF, Moraes KCM. Molecular interplays in hepatic stellate cells: apoptosis, senescence, and phenotype reversion as cellular connections that modulate liver fibrosis. Cell Biol Int 2017; 41:946-959. [PMID: 28498509 DOI: 10.1002/cbin.10790] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 05/08/2017] [Indexed: 12/18/2022]
Abstract
Liver fibrosis is a pathophysiological process correlated with intense repair and cicatrization mechanisms in injured liver, and over the past few years, the characterization of the fine-tuning of molecular interconnections that support the development of liver fibrosis has been investigated. In this cellular process, the hepatic stellate cells (HSCs) support the organ fibrogenesis. The HSCs are found in two distinct morpho-physiological states: quiescent and activated. In normal liver, most HSCs are found in quiescent state, presenting a considerable amount of lipid droplets in the cytoplasm, while in injured liver, the activated phenotype of HSCs is a myofibroblast, that secrete extracellular matrix elements and contribute to the establishment of the fibrotic process. Studies on the molecular mechanisms by which HSCs try to restore their quiescent state have been performed; however, no effective treatment to reverse fibrosis has been so far prescribed. Therefore, the elucidation of the cellular and molecular mechanisms of apoptosis, senescence, and the cell reversion phenotype process from activate to quiescent state will certainly contribute to the development of effective therapies to treat hepatic fibrosis. In this context, this review aimed to address central elements of apoptosis, senescence, and reversal of HSC phenotype in the control of hepatic fibrogenesis, as a guide to future development of therapeutic strategies.
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Affiliation(s)
- Brenda de Oliveira da Silva
- Universidade Federal de Ouro Preto, Núcleo de Pesquisa em Ciências Biológicas, Programa de Pós-Graduação em Biotecnologia, Ouro Preto, Minas Gerais, Brazil.,Molecular Biology Laboratory, Departamento de Biologia, Instituto de Biociências, Universidade Estadual Paulista "Júlio de Mesquita Filho"-Campus Rio Claro, Rio Claro, São Paulo, Brazil
| | - Letícia Ferrreira Ramos
- Molecular Biology Laboratory, Departamento de Biologia, Instituto de Biociências, Universidade Estadual Paulista "Júlio de Mesquita Filho"-Campus Rio Claro, Rio Claro, São Paulo, Brazil
| | - Karen C M Moraes
- Molecular Biology Laboratory, Departamento de Biologia, Instituto de Biociências, Universidade Estadual Paulista "Júlio de Mesquita Filho"-Campus Rio Claro, Rio Claro, São Paulo, Brazil
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Complementary Role of Fibroblast Growth Factor 21 and Cytokeratin 18 in Monitoring the Different Stages of Nonalcoholic Fatty Liver Disease. Sci Rep 2017; 7:5095. [PMID: 28698650 PMCID: PMC5506050 DOI: 10.1038/s41598-017-05257-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 05/25/2017] [Indexed: 02/06/2023] Open
Abstract
Fibroblast growth factor 21 (FGF21) and cytokeratin 18 (CK18) were previously reported to be elevated in nonalcoholic fatty liver disease (NAFLD). We aim to analyze the differential roles of FGF21, cell apoptosis marker CK18 fragment M30 and total cell death marker CK18 M65ED in monitoring the different stages of NAFLD spectrum in a population-based prospective cohort comprising 808 Chinese subjects. Predictive performances for monitoring the different stages of NAFLD were assessed by logistic regression and receiver-operating characteristic (ROC) curves. We found baseline FGF21 but not CK18 level was an independent predictor for the development of simple steatosis. NAFLD patients who had remission during follow-up had significantly lower baseline M30 levels than those who sustained NAFLD (84.74U/L [53.26–135.79] vs. 118.47U/L [87.16–188.89], P = 0.012). M65ED was independently predictive of progressing to suspected non-alcoholic steatohepatitis (NASH) in NAFLD patients. These results suggest that FGF21 can be used for early identification of hepatic steatosis. On the other hand, CK18 including M30 and M65ED, are predictive of the prognosis of NAFLD patients. FGF21 and CK18 might play differential roles and have complementary value in non-invasive identification and monitoring the outcome of NAFLD patients.
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44
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Xia T, Wang YN, Zhou CX, Wu LM, Liu Y, Zeng QH, Zhang XL, Yao JH, Wang M, Fang JP. Ginsenoside Rh2 and Rg3 inhibit cell proliferation and induce apoptosis by increasing mitochondrial reactive oxygen species in human leukemia Jurkat cells. Mol Med Rep 2017; 15:3591-3598. [PMID: 28440403 PMCID: PMC5436158 DOI: 10.3892/mmr.2017.6459] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 02/16/2017] [Indexed: 01/03/2023] Open
Abstract
Ginsenoside Rh2 (GRh2) and ginsenoside Rg3 (GRg3) are primary bioactive components in Panax ginseng. The present study aimed to investigate the underlying mechanisms of apoptotic cell-death induced by GRh2 and GRg3 in human leukemia Jurkat cells. The Cell Counting kit-8 assay was used to determine cell proliferation. Apoptosis was detected by nuclear morphologic observation by Hoechst 33342 staining and Annexin V-allophycocyanin and 7-amino-actinomycin D assay. mitoTEMPO, a mitochondrial reactive oxygen species (ROS) scavenger, was used to examine the effects of mitochondrial ROS on cell viability and mitochondrial membrane potential (MMP). Finally, the expression levels of numerous mitochondrial-associated apoptosis proteins were assessed by western blot analysis. These results demonstrated that GRh2 and GRg3 inhibited cell growth and induced apoptosis, and that GRh2 had greater cytotoxicity than GRg3. GRh2 induced generation of more mitochondrial ROS compared with GRg3 in Jurkat cells; however, this effect was ameliorated by subsequent treatment with mitoTEMPO. Furthermore, excess mitochondrial ROS induced by GRh2 was more potent than GRg3 in inhibiting cell proliferation and reducing MMP. In addition, expression levels of apoptosis-associated proteins were significantly increased in Jurkat cells treated with GRh2 than GRg3. In conclusion, these findings suggested that GRh2 and GRg3 induce mitochondrial-associated apoptosis by increasing mitochondrial ROS in human leukemia Jurkat cells. GRh2 may more effectively inhibit cell growth and accelerate apoptosis than GRg3. This study provides a potential novel strategy for the treatment of acute lymphoblastic leukemia.
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Affiliation(s)
- Ting Xia
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, P.R. China
| | - Ying-Nan Wang
- Department of Medical Oncology, Sun Yat‑sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangzhou, Guangdong 510060, P.R. China
| | - Chuan-Xin Zhou
- Department of Pediatrics, The Fifth Hospital of Sun Yat‑Sen University, Sun Yat‑sen University, Zhuhai, Guangdong 519000, P.R. China
| | - Li-Mei Wu
- Department of Pediatrics, Sun Yat‑sen Memorial Hospital, Sun Yat‑sen University, Guangzhou, Guangdong 510120, P.R. China
| | - Yong Liu
- Department of Pediatrics, Sun Yat‑sen Memorial Hospital, Sun Yat‑sen University, Guangzhou, Guangdong 510120, P.R. China
| | - Qian-Hong Zeng
- Department of Pediatrics, Sun Yat‑sen Memorial Hospital, Sun Yat‑sen University, Guangzhou, Guangdong 510120, P.R. China
| | - Xiang-Long Zhang
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, P.R. China
| | - Jia-Hui Yao
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, P.R. China
| | - Min Wang
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, P.R. China
| | - Jian-Pei Fang
- Department of Pediatrics, Sun Yat‑sen Memorial Hospital, Sun Yat‑sen University, Guangzhou, Guangdong 510120, P.R. China
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Rosa-Toledo O, Almeida-Chuffa LG, Martinez M, Felipe-Pinheiro PF, Padovani CR, Martinez FE. Maternal separation on the ethanol-preferring adult rat liver structure. Ann Hepatol 2016; 14:910-8. [PMID: 26436364 DOI: 10.5604/16652681.1171783] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
UNLABELLED Background and rationale for the study. We designed to test whether there is interaction of maternal separation (MS) on the ethanol-preferring rats liver structure. The UCh rat pups were separated daily from their mothers during the stress hyporesponsive period (SHRP), between four and 14 days-old, always at the same time for four hours in a cage containing eight subdivisions, one for each pup. Subsequently, rats that presented the highest (UChB) and the lowest (UChA) ethanol (EtOH) consumption were selected to the study. Both UChB and UChA rats received 10% (v/v) EtOH and distilled water ad libitum until the end of the experiment (120 days-old). The liver was collected to histological routine for morphometric and stereological analyses, and immunohistochemistry. RESULTS There was an interaction of MS and EtOH on the liver: increased liver mass, peritubular vessels, stellate cell numbers, steatosis and cell death, decreased necrosis, sinusoidal capillary diameters and cell proliferation. While there was a decrease in FSH, testosterone and 5α-di-hidrotestosterone, and increasing corticosterone and cholesterol. CONCLUSIONS There is interaction of MS and EtOH on the liver structure, dependent on the amount of EtOH intake. Furthermore, the interaction of stress and drugs can increase or decrease their effects on the liver or indirectly via hypothalamic-pituitary-adrenal (HPA) and hypothalamic-pituitary-gonadal (HPG) axes.
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Affiliation(s)
| | | | - Marcelo Martinez
- Department of Morphology and Pathology, UFSCar-Federal University of São Carlos, São Carlos, SP, Brazil
| | | | - Carlos R Padovani
- Department of Biostatistic, Biosciences Institute, UNESP-Univ. Estadual Paulista, Botucatu, SP, Brazil
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46
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Chiang WD, Huang CY, Paul CR, Lee ZY, Lin WT. Lipolysis stimulating peptides of potato protein hydrolysate effectively suppresses high-fat-diet-induced hepatocyte apoptosis and fibrosis in aging rats. Food Nutr Res 2016; 60:31417. [PMID: 27415158 PMCID: PMC4944597 DOI: 10.3402/fnr.v60.31417] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 05/05/2016] [Accepted: 05/05/2016] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Non-alcoholic fatty liver disease (NAFLD) is one of the most common outcomes of obesity and is characterized by the accumulation of triglycerides, increased tissue apoptosis, and fibrosis. NAFLD is more common among elderly than in younger age groups, and it causes serious hepatic complications. OBJECTIVE In this study, alcalase treatment derived potato protein hydrolysate (APPH) with lipolysis-stimulating property has been evaluated for its efficiency to provide hepato-protection in a high-fat-diet (HFD)-fed aging rats. DESIGN Twenty-four-month-old SD rats were randomly divided into six groups (n=8): aged rats fed with standard chow, HFD-induced aged obese rats, HFD with low-dose (15 mg/kg/day) APPH treatment, HFD with moderate (45 mg/kg/day) APPH treatment, HFD with high (75 mg/kg/day) APPH treatment, and HFD with probucol. RESULTS APPH was found to reduce the NAFLD-related effects in rat livers induced by HFD and all of the HFD-fed rats exhibited heavier body weight than those with control chow diet. However, the HFD-induced hepatic fat accumulation was effectively attenuated in rats administered with low (15 mg/kg/day), moderate (45 mg/kg/day), and high (75 mg/kg/day) doses of APPH. APPH oral administration also suppressed the hepatic apoptosis- and fibrosis-related proteins induced by HFD. CONCLUSIONS Our results thus indicate that APPH potentially attenuates hepatic lipid accumulation and anti-apoptosis and fibrosis effects in HFD-induced rats. APPH may have therapeutic potential in the amelioration of NAFLD liver damage.
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Affiliation(s)
- Wen-Dee Chiang
- Department of Food Science, College of Agriculture, Tunghai University, Taichung, Taiwan
| | - Chih Yang Huang
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan.,School of Chinese Medicine, China Medical University, Taichung, Taiwan.,Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan
| | - Catherine Reena Paul
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan.,Department of Hospitality Management, College of Agriculture, Tunghai University, Taichung, Taiwan
| | - Zong-Yan Lee
- Department of Hospitality Management, College of Agriculture, Tunghai University, Taichung, Taiwan
| | - Wan-Teng Lin
- Department of Hospitality Management, College of Agriculture, Tunghai University, Taichung, Taiwan;
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47
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Saberi B, Dadabhai AS, Jang YY, Gurakar A, Mezey E. Current Management of Alcoholic Hepatitis and Future Therapies. J Clin Transl Hepatol 2016; 4:113-22. [PMID: 27350941 PMCID: PMC4913072 DOI: 10.14218/jcth.2016.00006] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2016] [Revised: 03/27/2016] [Accepted: 03/28/2016] [Indexed: 12/12/2022] Open
Abstract
Alcohol is one of the most common etiologies of liver disease, and alcoholic liver disease overall is the second most common indication for liver transplantation in the United States. It encompasses a spectrum of disease, including fatty liver disease, alcoholic hepatitis (AH), and alcoholic cirrhosis. AH can range from mild to severe disease, with severe disease being defined as: Discriminant Function (DF) ≥ 32, or Model for End-stage Liver Disease (MELD) ≥ 21, or presence of hepatic encephalopathy. Management of the mild disease consists mainly of abstinence and supportive care. Severe AH is associated with significant mortality. Currently, there is no ideal medical treatment for this condition. Besides alcohol cessation, corticosteroids have been used with conflicting results and are associated with an inherent risk of infection. Overall steroids have shown short term benefit when compared to placebo, but they have no obvious long term benefits. Pentoxifylline does not improve survival in patients with severe AH and is no longer recommended based on the results of the STOPAH (Steroid Or Pentoxifylline for Alcoholic Hepatitis) trial. Anti-tumor necrosis factor (TNF) agents are associated with increased risk of life threatening infections and death. Currently, early stage trials are underway, mainly targeting novel pathways based on disease pathogenesis, including modulation of innate immune system, inhibition of gut-liver axis and cell death pathways, and activation of transcription factor farnesyl X receptor (FXR). Future treatment may lie in human induced pluripotent stem cell (iPSC) technology, which is currently under investigation for the study of pathogenesis, drug discovery, and stem cell transplantation. Liver transplantation has been reported with good results in highly selected patients but is controversial due to limited organ supply.
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Affiliation(s)
- Behnam Saberi
- Division of Gastroenterology and Hepatology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
- *Correspondence to: Behnam Saberi, Division of Gastroenterology and Hepatology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA. Tel: +1-410-614-2543, Fax: +1-410-614-7340, E-mail:
| | - Alia S. Dadabhai
- Division of Gastroenterology and Hepatology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Yoon-Young Jang
- Department of Oncology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Ahmet Gurakar
- Division of Gastroenterology and Hepatology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Esteban Mezey
- Division of Gastroenterology and Hepatology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
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48
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Ganesan M, Natarajan SK, Zhang J, Mott JL, Poluektova LI, McVicker BL, Kharbanda KK, Tuma DJ, Osna NA. Role of apoptotic hepatocytes in HCV dissemination: regulation by acetaldehyde. Am J Physiol Gastrointest Liver Physiol 2016; 310:G930-40. [PMID: 27056722 PMCID: PMC6842882 DOI: 10.1152/ajpgi.00021.2016] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 03/31/2016] [Indexed: 02/08/2023]
Abstract
Alcohol consumption exacerbates hepatitis C virus (HCV) pathogenesis and promotes disease progression, although the mechanisms are not quite clear. We have previously observed that acetaldehyde (Ach) continuously produced by the acetaldehyde-generating system (AGS), temporarily enhanced HCV RNA levels, followed by a decrease to normal or lower levels, which corresponded to apoptosis induction. Here, we studied whether Ach-induced apoptosis caused depletion of HCV-infected cells and what role apoptotic bodies (AB) play in HCV-alcohol crosstalk. In liver cells exposed to AGS, we observed the induction of miR-122 and miR-34a. As miR-34a has been associated with apoptotic signaling and miR-122 with HCV replication, these findings may suggest that cells with intensive viral replication undergo apoptosis. Furthermore, when AGS-induced apoptosis was blocked by a pan-caspase inhibitor, the expression of HCV RNA was not changed. AB from HCV-infected cells contained HCV core protein and the assembled HCV particle that infect intact hepatocytes, thereby promoting the spread of infection. In addition, AB are captured by macrophages to switch their cytokine profile to the proinflammatory one. Macrophages exposed to HCV(+) AB expressed more IL-1β, IL-18, IL-6, and IL-10 mRNAs compared with those exposed to HCV(-) AB. The generation of AB from AGS-treated HCV-infected cells even enhanced the induction of aforementioned cytokines. We conclude that HCV and alcohol metabolites trigger the formation of AB containing HCV particles. The consequent spread of HCV to neighboring hepatocytes via infected AB, as well as the induction of liver inflammation by AB-mediated macrophage activation potentially exacerbate the HCV infection course by alcohol and worsen disease progression.
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Affiliation(s)
- Murali Ganesan
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, Nebraska; Department of Internal Medicine, University of Nebraska Medical Center, Omaha, Nebraska
| | - Sathish Kumar Natarajan
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, Nebraska
| | - Jinjin Zhang
- School of Pharmacy, University of Nebraska Medical Center, Omaha, Nebraska; and
| | - Justin L Mott
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, Nebraska
| | | | - Benita L McVicker
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, Nebraska; Department of Internal Medicine, University of Nebraska Medical Center, Omaha, Nebraska
| | - Kusum K Kharbanda
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, Nebraska; Department of Internal Medicine, University of Nebraska Medical Center, Omaha, Nebraska
| | - Dean J Tuma
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, Nebraska; Department of Internal Medicine, University of Nebraska Medical Center, Omaha, Nebraska
| | - Natalia A Osna
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, Nebraska; Department of Internal Medicine, University of Nebraska Medical Center, Omaha, Nebraska;
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49
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Abu-Elsaad NM, Serrya MS, El-Karef AM, Ibrahim TM. The heat shock protein 90 inhibitor, 17-AAG, attenuates thioacetamide induced liver fibrosis in mice. Pharmacol Rep 2016; 68:275-82. [DOI: 10.1016/j.pharep.2015.08.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2015] [Revised: 08/28/2015] [Accepted: 08/31/2015] [Indexed: 01/20/2023]
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50
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Komarov AP, Komarova EA, Green K, Novototskaya LR, Baker PS, Eroshkin A, Osterman AL, Chenchick AA, Frangou C, Gudkov AV. Functional genetics-directed identification of novel pharmacological inhibitors of FAS- and TNF-dependent apoptosis that protect mice from acute liver failure. Cell Death Dis 2016; 7:e2145. [PMID: 26986512 PMCID: PMC4823946 DOI: 10.1038/cddis.2016.45] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Revised: 01/25/2016] [Accepted: 02/04/2016] [Indexed: 12/12/2022]
Abstract
shRNA-mediated gene-silencing technology paired with cell-based functional readouts reveals potential targets directly, providing an opportunity to identify drugs against the target without knowing the precise role of the target in the pathophysiological processes of interest. By screening a lentiviral shRNA library targeting for major components of human signaling pathways and known drug targets, we identified and validated both canonical as well as 52 novel mediators of FAS and TNF ligand-induced apoptosis. Presence of potential therapeutic targets among these mediators was confirmed by demonstration of in vivo activity of siRNAs against four identified target candidates that protected mice from acute liver failure (ALF), a life-threatening disease with known involvement of death receptor (DR)-mediated apoptosis. Network-based modeling was used to predict small-molecule inhibitors for several candidate apoptosis mediators, including somatostatin receptor 5 (SSTR5) and a regulatory subunit of PP2A phosphatase, PPP2R5A. Remarkably, pharmacological inhibition of either SSTR5 or PPP2R5A reduced apoptosis induced by either FASL or TNF in cultured cells and dramatically improved survival in several mouse models of ALF. These results demonstrate the utility of loss-of-function genetic screens and network-based drug-repositioning methods for expedited identification of targeted drug candidates and revealed pharmacological agents potentially suitable for treatment of DR-mediated pathologies.
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Affiliation(s)
| | - E A Komarova
- Department of Cell Stress Biology, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - K Green
- Department of Cell Stress Biology, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - L R Novototskaya
- Department of Cell Stress Biology, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - P S Baker
- Buffalo BioLabs, LLC, Buffalo, NY, USA
| | - A Eroshkin
- Infectious and Inflammatory Disease Center, Sanford-Burnham-Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - A L Osterman
- Buffalo BioLabs, LLC, Buffalo, NY, USA
- Infectious and Inflammatory Disease Center, Sanford-Burnham-Prebys Medical Discovery Institute, La Jolla, CA, USA
| | | | - C Frangou
- Department of Cell Stress Biology, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - A V Gudkov
- Department of Cell Stress Biology, Roswell Park Cancer Institute, Buffalo, NY, USA
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