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Chen TH, Huang WW, Lu LC, Ma CC. Factors associated with postoperative efficacy evaluation in patients with morbid obesity. Sci Rep 2024; 14:12255. [PMID: 38806598 DOI: 10.1038/s41598-024-63099-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 05/24/2024] [Indexed: 05/30/2024] Open
Abstract
The global obesity problem is becoming increasingly serious, with eight of the top ten causes of death in Taiwan in 2020 being related to obesity. Morbid obesity poses a significant threat to one's health and well-being. In recent years, bariatric surgery has emerged as a more effective treatment option for patients with morbid obesity. However, the procedure is not without risks. This study aims to examine the factors that impact the postoperative efficacy evaluation of patients with morbid obesity. This study uses a retrospective cross-sectional design, with medical records being collected retrospectively. The data was collected from patients who underwent bariatric surgery between July 1, 2017 and June 30, 2020 at a hospital in southern Taiwan. A total of 663 patients were included in the study and were observed for 1 year after the surgery. The independent variables included demographic variables, perceived symptoms variables, perceived lifestyle variables, and surgery-related variables, while the dependent variables included weight loss outcomes and complications. The prognostic factors affecting the postoperative efficacy evaluation of patients with pathological obesity were determined using multiple regression analysis and binary regression analysis. The study found that 65.6% of the participants were female, with an average age of 36.8 years. The results of the multiple regression and binary logistic regression showed that gender, age, BMI, diabetes, and smoking habit were the predictors of postoperative weight loss. Hypertension, diabetes, liver disease, kidney disease, smoking habit, drinking habit, and operation time were the predictors of postoperative complications. The study found that the presence of the aforementioned 12 significant factors can affect the success of weight loss after surgery and the incidence of postoperative complications. This information can serve as a reference for clinical care institutions and patients to improve the postoperative efficacy evaluation.
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Affiliation(s)
- Tai-Hsiang Chen
- Department of Healthcare Administration, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan, R.O.C
| | - Wen-Wen Huang
- Executive Master Program of Healthcare Administration, I-Shou University, Kaohsiung, Taiwan, R.O.C
| | - Liu-Chun Lu
- Operating Room, E-DA Dachang Hospital, Kaohsiung, Taiwan, R.O.C
| | - Chen-Chung Ma
- Department of Healthcare Administration, I-Shou University, Kaohsiung, Taiwan, R.O.C..
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Kumar H, Dhanjal DS, Guleria S, Nepovimova E, Sethi N, Dhalaria R, Kuca K. Hepatoprotective effects of fruits pulp, seed, and peel against chemical-induced toxicity: Insights from in vivo studies. Food Chem Toxicol 2024; 189:114742. [PMID: 38754807 DOI: 10.1016/j.fct.2024.114742] [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: 03/24/2024] [Revised: 05/11/2024] [Accepted: 05/13/2024] [Indexed: 05/18/2024]
Abstract
The liver is a vital organ in human physiology positioned in the upper right quadrant of the peritoneal cavity, which plats a critical role in metabolic processes, detoxification of various substances and overall homeostasis. Along with these critical functions, hepatic diseases impose as significant global health threat. Liver illness is the cause of two million fatalities every year, or 4% of all deaths. Traditionally, healthcare providers have prescribed antibacterial and antiviral medications to address liver illness. Nephrotoxicity is a frequently observed negative reaction to drugs, with the majority of such events happening in individuals who have advanced cirrhosis. Thus, recognizing this gap, there is a dire need of exploration of pharmaceutical alterative for hepatic diseases, with special focus on their efficacy and reduced toxicity. Fruits have long been known to therapeutic impact on human health, thus exploration of fruits components namely pulp, seeds and peels containing phytochemicals have emerged as a promising avenue for hepatoprotective interventions. Thus, review comprehends the information about worldwide burden of chemical induced toxicity and injuries as well as highlight the on-going challenges in hepatic disease management. It also shed light on the valuable contributions fruit parts and their phytocompounds obtained from different components of fruits. Fruit pulp, especially when rich in flavonoids, has demonstrated significant potential in animal model studies. It has been observed to enhance the activity of antioxidant enzymes and reduce the expression of pro-inflammatory markers. The methanolic and ethanolic extracts have demonstrated the most favorable outcomes. Further, this review also discusses about the safety assessments of fruits extracts for their utilization as hepatoprotective agents.
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Affiliation(s)
- Harsh Kumar
- Centre of Advanced Technologies, Faculty of Science, University of Hradec Kralove, Rokitanskeho 62, 50003, Hradec Kralove, Czech Republic
| | - Daljeet Singh Dhanjal
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Shivani Guleria
- Department of Biotechnology, TIFAC-Centre of Relevance and Excellence in Agro and Industrial Biotechnology (CORE), Thapar Institute of Engineering and Technology, Patiala, 147001, India.
| | - Eugenie Nepovimova
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, 50003, Hradec Kralove, Czech Republic
| | - Nidhi Sethi
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, 143005, India
| | - Rajni Dhalaria
- School of Biological and Environmental Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, India.
| | - Kamil Kuca
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, 50003, Hradec Kralove, Czech Republic.
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Wang Y, Ren J, Ren S. Larsucosterol: endogenous epigenetic regulator for treating chronic and acute liver diseases. Am J Physiol Endocrinol Metab 2024; 326:E577-E587. [PMID: 38381400 DOI: 10.1152/ajpendo.00406.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 02/15/2024] [Accepted: 02/15/2024] [Indexed: 02/22/2024]
Abstract
Larsucosterol, a potent endogenous epigenetic regulator, has been reported to play a significant role in lipid metabolism, inflammatory responses, and cell survival. The administration of larsucosterol has demonstrated a reduction in lipid accumulation within hepatocytes and the attenuation of inflammatory responses induced by lipopolysaccharide (LPS) and TNFα in macrophages, alleviating LPS- and acetaminophen (ATMP)-induced multiple organ injury, and decreasing mortalities in animal models. Results from phase 1 and 2 clinical trials have shown that larsucosterol has potential as a biomedicine for the treatment of acute and chronic liver diseases. Recent evidence suggests that larsucosterol is a promising candidate for treating alcohol-associated hepatitis with positive results from a phase 2a clinical trial, and for metabolic dysfunction-associated steatohepatitis (MASH) from a phase 1b clinical trial. In this review, we present a culmination of our recent research efforts spanning two decades. We summarize the discovery, physiological and pharmacological mechanisms, and clinical applications of larsucosterol. Furthermore, we elucidate the pathophysiological pathways of metabolic dysfunction-associated steatotic liver diseases (MASLD), metabolic dysfunction-associated steatohepatitis (MASH), and acute liver injuries. A central focus of the review is the exploration of the therapeutic potential of larsucosterol in treating life-threatening conditions, including acetaminophen overdose, endotoxin shock, MASLD, MASH, hepatectomy, and alcoholic hepatitis.
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Affiliation(s)
- Yaping Wang
- Department of Internal Medicine, Virginia Commonwealth University, Richmond, Virginia, United States
- McGuire Veterans Affairs Medical Center, Richmond, Virginia, United States
| | - Jenna Ren
- Department of Pharmacology, Virginia Commonwealth University, Richmond, Virginia, United States
| | - Shunlin Ren
- Department of Internal Medicine, Virginia Commonwealth University, Richmond, Virginia, United States
- McGuire Veterans Affairs Medical Center, Richmond, Virginia, United States
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Panati D, Timmapuram J, Puthalapattu S, Sudhakar TP, Chaudhuri S. Therapeutic benefit of probiotic in alcohol dependence syndrome: Evidence from a tertiary care centre of India. Clin Res Hepatol Gastroenterol 2024; 48:102338. [PMID: 38604291 DOI: 10.1016/j.clinre.2024.102338] [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: 02/27/2024] [Revised: 03/29/2024] [Accepted: 04/05/2024] [Indexed: 04/13/2024]
Abstract
Probiotic adjuvant has promising effects in treating alcohol induced hepatitis, depression, and anxiety. This study aimed to assess the effectiveness of adjuvant probiotic use in improving the liver functions, anxiety, and depression among patients with alcohol dependence syndrome (ADS) in a tertiary care hospital in Andhra Pradesh, India. In this prospective observational design, ADS patients with or without probiotics were followed-up at one and three months after initiation of treatment. They were assessed for liver function test (LFT), anxiety by HAM-A and depression by HAM-D scale. A total of 120 patients complied with the treatment, 60 in each group, mean age being 35.0 years (SD 9.5 years). The baseline socio-demographic and clinical characteristics were similar in both the groups. Significant reduction was noted in the probiotic group for total bilirubin (Mean difference (MD) 0.18; 95 % CI: 0.04, 0.31), AST (MD 5.0; 95 % CI: 0.5, 9.5), and ALT (MD 8.6; 95 % CI: 1.4, 15.7) at one month after treatment. Both the groups showed a considerable change in anxiety and depression scores (HAM-A and HAM-D) till three months. At three months of treatment initiation, proportional improvement of severity grade to mild form in anxiety was more in the probiotic group (35 %) than the non-probiotic group (13.3 %) (p < 0.05). Hence, probiotic supplementation can significantly reduce the hepatic enzymes and depression severity in patients with alcohol dependence syndrome but demands additional robust evidence on the causal inference.
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Affiliation(s)
- Dinesh Panati
- Department of Psychiatry, Apollo Institute of Medical Sciences and Research, Chittoor, India.
| | - Jayapriya Timmapuram
- Department of Psychiatry, Apollo Institute of Medical Sciences and Research, Chittoor, India
| | - Swetha Puthalapattu
- Department of Anaesthesia, Apollo Institute of Medical Sciences and Research, Chittoor, India
| | | | - Sirshendu Chaudhuri
- Department of Epidemiology, Indian Institute of Public Health, Hyderabad, India
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Taiwo M, Huang E, Pathak V, Bellar A, Welch N, Dasarathy J, Streem D, McClain CJ, Mitchell MC, Barton BA, Szabo G, Dasarathy S, Schaefer EA, Luther J, Day LZ, Ouyang X, Suyavaran A, Mehal WZ, Jacobs JM, Goodman RP, Rotroff DM, Nagy LE. Proteomics identifies complement protein signatures in patients with alcohol-associated hepatitis. JCI Insight 2024; 9:e174127. [PMID: 38573776 DOI: 10.1172/jci.insight.174127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 03/27/2024] [Indexed: 04/06/2024] Open
Abstract
Diagnostic challenges continue to impede development of effective therapies for successful management of alcohol-associated hepatitis (AH), creating an unmet need to identify noninvasive biomarkers for AH. In murine models, complement contributes to ethanol-induced liver injury. Therefore, we hypothesized that complement proteins could be rational diagnostic/prognostic biomarkers in AH. Here, we performed a comparative analysis of data derived from human hepatic and serum proteome to identify and characterize complement protein signatures in severe AH (sAH). The quantity of multiple complement proteins was perturbed in liver and serum proteome of patients with sAH. Multiple complement proteins differentiated patients with sAH from those with alcohol cirrhosis (AC) or alcohol use disorder (AUD) and healthy controls (HCs). Serum collectin 11 and C1q binding protein were strongly associated with sAH and exhibited good discriminatory performance among patients with sAH, AC, or AUD and HCs. Furthermore, complement component receptor 1-like protein was negatively associated with pro-inflammatory cytokines. Additionally, lower serum MBL associated serine protease 1 and coagulation factor II independently predicted 90-day mortality. In summary, meta-analysis of proteomic profiles from liver and circulation revealed complement protein signatures of sAH, highlighting a complex perturbation of complement and identifying potential diagnostic and prognostic biomarkers for patients with sAH.
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Affiliation(s)
| | | | - Vai Pathak
- Department of Quantitative Health Sciences, and
| | | | - Nicole Welch
- Department of Inflammation and Immunity
- Department of Gastroenterology and Hepatology, Cleveland Clinic, Cleveland, Ohio, USA
| | - Jaividhya Dasarathy
- Department of Family Medicine, Metro Health Medical Center, Cleveland, Ohio, USA
| | - David Streem
- Department of Psychiatry and Psychology, Cleveland Clinic Lutheran Hospital, Cleveland, Ohio, USA
| | - Craig J McClain
- Department of Medicine, University of Louisville, Louisville, Kentucky, USA
| | - Mack C Mitchell
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Bruce A Barton
- Department of Population and Quantitative Health Sciences, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | - Gyongyi Szabo
- Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Srinivasan Dasarathy
- Department of Inflammation and Immunity
- Department of Gastroenterology and Hepatology, Cleveland Clinic, Cleveland, Ohio, USA
- Department of Molecular Medicine, Case Western Reserve University, Cleveland, Ohio, USA
| | - Esperance A Schaefer
- Alcohol Liver Center, Division of Gastroenterology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Jay Luther
- Alcohol Liver Center, Division of Gastroenterology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Le Z Day
- Biological Sciences Division and Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington, USA
| | - Xinshou Ouyang
- Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Arumugam Suyavaran
- Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Wajahat Z Mehal
- Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Jon M Jacobs
- Biological Sciences Division and Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington, USA
| | - Russell P Goodman
- Alcohol Liver Center, Division of Gastroenterology, Massachusetts General Hospital, Boston, Massachusetts, USA
- Endocrine Unit, Division of Gastroenterology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Daniel M Rotroff
- Department of Quantitative Health Sciences, and
- Endocrine and Metabolism Institute and
- Center for Quantitative Metabolic Research, Cleveland Clinic, Cleveland, Ohio, USA
| | - Laura E Nagy
- Department of Inflammation and Immunity
- Department of Gastroenterology and Hepatology, Cleveland Clinic, Cleveland, Ohio, USA
- See Supplemental Acknowledgments for information on the AlcHepNet Consortium
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Mohd Hasali NH, Zamri AI, Lani MN, Matthews V, Mubarak A. Cheese containing probiotic Lactobacillus brevis NJ42 isolated from stingless bee honey reduces weight gain, fat accumulation, and glucose intolerance in mice. Heliyon 2024; 10:e25981. [PMID: 38404857 PMCID: PMC10884426 DOI: 10.1016/j.heliyon.2024.e25981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 01/29/2024] [Accepted: 02/06/2024] [Indexed: 02/27/2024] Open
Abstract
Background The high occurrence of metabolic syndrome has driven a growing demand for natural resource-based therapeutic strategies, highlighting their potential efficacy in addressing the complexities of this condition. Probiotics are established to be useful in the prevention and treatment of diabetes and obesity. However, limited exploration exists regarding the application of the isolated Lactobacillus strain from stingless bee honey as a probiotic within dairy products, such as cheese. This study investigated the effect of a high-fat diet supplemented with cheese containing probiotic bacteria (Lactobacillus brevis strain NJ42) isolated from Heterotrigona itama honey (PCHFD) on the symptoms of metabolic disorder in C57BL/6 mice. Methods and results Body weight, glucose intolerance, insulin resistance, and fat accumulation were measured during 12 weeks of feeding and compared to mice fed with a normal chow (NC) and high-fat diet (HFD). Over a 12-week feeding period, PCHFD-fed mice exhibited substantial reductions in several metabolic syndrome-associated features. They had a lower rate of weight gain (p = 0.03) than the HFD-fed mice. Additionally, they displayed a notable 39.2% decrease in gonadal fat mass compared to HFD-fed mice (p = 0.003). HFD-fed mice showed impaired glucose tolerance when compared to NC-fed mice (p = 0.00). Conversely, PCHFD-fed mice showed a reduction in glucose intolerance to a level close to that of the NC-fed mice group (p = 0.01). These positive effects extended to reductions in hepatic steatosis and adipocyte hypertrophy. Conclusion These results indicated that L. brevis strain NJ42, isolated from H. itama honey, is a prospective probiotic to lower the risk of developing metabolic syndrome features induced by a high-fat diet. These positive findings suggest the prospect of enriching commonly consumed dietary components such as cheese with probiotic attributes, potentially offering an accessible means to alleviating the symptoms of metabolic diseases.
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Affiliation(s)
- Nor Hazwani Mohd Hasali
- Faculty of Fisheries and Food Science, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
| | - Amir Izzwan Zamri
- Faculty of Fisheries and Food Science, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
- Special Interest Group Apis and Meliponi, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
| | - Mohd Nizam Lani
- Faculty of Fisheries and Food Science, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
- Special Interest Group Apis and Meliponi, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
- Food Security Research Cluster, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
| | - Vance Matthews
- School of Biomedical Sciences, The University of Western Australia, 6009 Perth, Australia
| | - Aidilla Mubarak
- Faculty of Fisheries and Food Science, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
- Special Interest Group Apis and Meliponi, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
- Food Security Research Cluster, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
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Kohaf NA, Harby SA, Abd-Ellatief AF, Elsaid MA, Abdelmottaleb NA, Abd Elsalam TF. Premedication with intranasal versus intravenous dexmedetomidine for hypotensive anesthesia during functional endoscopic sinus surgery in adults: A randomized triple-blind trial. Heliyon 2024; 10:e25175. [PMID: 38322885 PMCID: PMC10844284 DOI: 10.1016/j.heliyon.2024.e25175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 01/13/2024] [Accepted: 01/22/2024] [Indexed: 02/08/2024] Open
Abstract
Functional Endoscopic Sinus Surgery (FESS) has been performed under controlled hypotension to increase operating field visibility. Intranasal (IN) dexmedetomidine is easy, noninvasive, and possesses lower C max, accompanied by lower pharmacodynamic action, including hypotension, bradycardia, and sedation. This trial aimed to compare IN and intravenous (IV) dexmedetomidine for hypotensive anesthesia during FESS. This randomized, controlled, triple-blinded clinical trial involved sixty cases scheduled for FESS. Patients were divided into two equal groups by random manner. 45-60 min before anesthesia induction, group IN: received 1 μg/kg IN dexmedetomidine diluted in 10 ml of saline 0.9 % intranasally preoperative. Group IV: received 1 μg/kg dexmedetomidine diluted in 10 ml of saline 0.9 % infused over 10 min. The primary outcome was the total amount of administered atropine. The secondary outcomes included hemodynamic, through 1 h before surgery, intraoperatively and postoperatively at different time intervals. The quality of the operative field, sedation, adverse reactions and hemostatic stuffing after FESS were also assessed. The total amount of consumed atropine decreased significantly in group IN compared to group IV. Preoperative Ramsay Sedation scores at T0, T5, T50 and T60 were comparable between the two groups, while at T10, T15, T20, T30, and T40 were lower significantly in the IN group compared with the IV group. Preoperative mean arterial blood pressure at T0, T5 and T60 had comparable differences across both groups while reduced at T10 to T 45 significantly in the IV group than IN group. Both groups had comparable satisfaction, postoperative Ramsey sedation, hemostatic suffering, quality of operative field and complications. In conclusion, IN dexmedetomidine administration is relatively simple and appropriate; moreover, it decreases first-pass metabolism. Onset is prolonged relative to IV dosing; thus, it should be administered nearly 1 h before surgery and recommended in adult patients as they require minor sedation preoperatively.
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Affiliation(s)
- Neveen A. Kohaf
- Clinical Pharmacy Department, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, Egypt
| | - Salama A. Harby
- Anesthesia, Intensive Care and Pain Management Department, Damietta Faculty of Medicine, Al-Azhar University, Damietta, Egypt
| | - Ahmed F. Abd-Ellatief
- Anesthesia, Intensive Care and Pain Management Department, Damietta Faculty of Medicine, Al-Azhar University, Damietta, Egypt
| | - Mohamed A. Elsaid
- Anesthesia, Intensive Care and Pain Management Department, Damietta Faculty of Medicine, Al-Azhar University, Damietta, Egypt
| | - Neazy A. Abdelmottaleb
- Anesthesia, Intensive Care and Pain Management Department, Damietta Faculty of Medicine, Al-Azhar University, Damietta, Egypt
| | - Tamer F. Abd Elsalam
- Anesthesia, Intensive Care and Pain Management Department, Damietta Faculty of Medicine, Al-Azhar University, Damietta, Egypt
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Lan YW, Chen WR, Chang GRL, Chen YC, Chong KY, Chuang KC, Kao YT, Chen MS, Chen CM. Aldo-keto reductase family 1 member A1 (AKR1A1) exerts a protective function in alcohol-associated liver disease by reducing 4-HNE accumulation and p53 activation. Cell Biosci 2024; 14:18. [PMID: 38308335 PMCID: PMC10837880 DOI: 10.1186/s13578-024-01200-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 01/21/2024] [Indexed: 02/04/2024] Open
Abstract
BACKGROUND The development of alcohol-associated liver disease (ALD) is influenced by the amount and duration of alcohol consumption. The resulting liver damage can range from reversible stages, such as steatosis, steatohepatitis and alcoholic fibrosis, to the advanced and irreversible stage of cirrhosis. Aldo-keto reductase family 1 member A1 (AKR1A1) is a member of the aldo-keto reductase family that catalyzes the reduction of aldehyde groups to their corresponding alcohols in an NADPH-dependent manner. AKR1A1 was found to be downregulated in patients diagnosed with ALD. This study aims to interpret the protective effects of AKR1A1 on the development of ALD. METHODS A 5% alcohol-fed (AF) Akr1a1 knockout (Akr1a1-/-) mouse model and an AML12 hepatocyte model were used. The effects of AKR1A1 on liver function, inflammation, oxidative stress, lipid accumulation, and fibrosis were assessed by ELISA, western blotting, RT‒PCR, and a variety of histological staining methods in AF-induced wild-type (WT) and Akr1a1-/- mice compared to control liquid diet-fed (PF) WT and Akr1a1-/- mice. RESULTS The results demonstrated that AF-WT mice expressed higher levels of AKR1A1 than WT mice fed a control diet, and they did not show any noticeable liver steatosis. However, AF-Akr1a1-/- mice displayed a lower survival rate and more severe liver injury than AF-WT mice, as demonstrated by increased proinflammatory cytokines, oxidative stress, lipid accumulation, fibrosis, and reduced antioxidant enzymes in their livers. Additionally, elevated levels of 4-HNE and p53 phosphorylation were observed in AF-Akr1a1-/- mice, suggesting that the loss of AKR1A1 led to increased 4-HNE accumulation and subsequent activation of p53, which contributed to the progression of ALD. Furthermore, in AML12 hepatocytes, Akr1a1 knockdown aggravated oxidative stress and steatosis induced by palmitic acid/oleic acid (P/O) inflammation induced by lipopolysaccharide (LPS), and fibrosis induced by TGF-β1. CONCLUSIONS This loss-of-function study suggests that AKR1A1 plays a liver-protective role during chronic alcohol consumption by reducing the accumulation of 4-HNE and inhibiting 4-HNE-mediated p53 activation.
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Affiliation(s)
- Ying-Wei Lan
- Department of Life Sciences, and Doctoral Program in Translational Medicine, College of Life Sciences, National Chung Hsing University, Kuo Kuang Rd, Taichung, 402, Taiwan
- Division of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, University of Cincinnati, Cincinnati, OH, USA
| | - Wan-Ru Chen
- Department of Life Sciences, and Doctoral Program in Translational Medicine, College of Life Sciences, National Chung Hsing University, Kuo Kuang Rd, Taichung, 402, Taiwan
| | - Gary Ro-Lin Chang
- Department of Life Sciences, and Doctoral Program in Translational Medicine, College of Life Sciences, National Chung Hsing University, Kuo Kuang Rd, Taichung, 402, Taiwan
| | - Ying-Cheng Chen
- Department of Life Sciences, and Doctoral Program in Translational Medicine, College of Life Sciences, National Chung Hsing University, Kuo Kuang Rd, Taichung, 402, Taiwan
| | - Kowit-Yu Chong
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, 333, Taiwan
- Hyperbaric Oxygen Medical Research Lab, Bone and Joint Research Center, Chang Gung Memorial Hospital, Taoyuan, 333, Taiwan
| | - Kai-Cheng Chuang
- Department of Life Sciences, and Doctoral Program in Translational Medicine, College of Life Sciences, National Chung Hsing University, Kuo Kuang Rd, Taichung, 402, Taiwan
- The iEGG and Animal Biotechnology Center, National Chung Hsing University, Taichung, 402, Taiwan
| | - Yung-Tsung Kao
- Department of Life Sciences, and Doctoral Program in Translational Medicine, College of Life Sciences, National Chung Hsing University, Kuo Kuang Rd, Taichung, 402, Taiwan
| | - Ming-Shan Chen
- Department of Anesthesiology, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi, 600, Taiwan
| | - Chuan-Mu Chen
- Department of Life Sciences, and Doctoral Program in Translational Medicine, College of Life Sciences, National Chung Hsing University, Kuo Kuang Rd, Taichung, 402, Taiwan.
- The iEGG and Animal Biotechnology Center, National Chung Hsing University, Taichung, 402, Taiwan.
- Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan.
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Walter MN, Montoya-Durango D, Rodriguez W, Wang Y, Zhang J, Chariker JH, Rouchka EC, Maldonado C, Bennett A, McClain CJ, Barve S, Gobejishvili L. Hepatocyte-specific mitogen-activated protein kinase phosphatase 1 in sexual dimorphism and susceptibility to alcohol induced liver injury. Front Immunol 2024; 15:1316228. [PMID: 38370409 PMCID: PMC10871047 DOI: 10.3389/fimmu.2024.1316228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 01/03/2024] [Indexed: 02/20/2024] Open
Abstract
Background It is well established that females are more susceptible to the toxic effects of alcohol, although the exact mechanisms are still poorly understood. Previous studies noted that alcohol reduces the expression of mitogen-activated protein kinase phosphatase 1 (MKP1), a negative regulator of mitogen-activated protein kinases (MAPK) in the liver. However, the role of hepatocyte- specific MKP1 in the pathogenesis of alcohol-associated liver disease (ALD) remains uncharacterized. This study aimed to evaluate the role of hepatocyte-specific MKP1 in the susceptibility and sexual dimorphism in alcohol-induced liver injury. Methods C57Bl/6 mice were used in an intragastric ethanol feeding model of alcohol-associated steatohepatitis (ASH). Hepatocyte-specific Mkp1-/- knockout and (Mkp1+/+ "f/f" male and female mice were subjected to the NIAAA chronic plus binge model. Primary mouse hepatocytes were used for in vitro studies. Liver RNA sequencing was performed on an Illumina NextSeq 500. Liver injury was evaluated by plasma alanine transaminase (ALT), hepatic ER stress and inflammation markers. Statistical analysis was carried out using ANOVA and the unpaired Student's t-test. Results ASH was associated with the severe injury accompanied by increased endoplasmic reticulum (ER) stress and significant downregulation of Dusp1 mRNA expression. In vitro, ethanol treatment resulted in a time-dependent decrease in Dusp1 mRNA and protein expression in primary hepatocytes in both males and females; however, this effect was significantly more pronounced in hepatocytes from females. In vivo, female mice developed more liver injury in a chronic plus binge model which was accompanied by a significant decrease in liver Dusp1 mRNA expression. In comparison, liver Dusp1 was not changed in male mice, while they developed milder injury to alcohol. Mkp1 deletion in hepatocytes led to increased alcohol induced liver injury, ER stress and inflammation in both sexes. Conclusion Hepatocyte Mkp1 plays a significant role in alcohol induced liver injury. Alcohol downregulates Mkp1 expression in hepatocytes in a sex dependent manner and could play a role in sexual dimorphism in increased female susceptibility to alcohol.
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Affiliation(s)
- Mary Nancy Walter
- Department of Physiology, School of Medicine, University of Louisville, Louisville, KY, United States
| | - Diego Montoya-Durango
- Department of Physiology, School of Medicine, University of Louisville, Louisville, KY, United States
| | - Walter Rodriguez
- Department of Physiology, School of Medicine, University of Louisville, Louisville, KY, United States
| | - Yali Wang
- Department of Physiology, School of Medicine, University of Louisville, Louisville, KY, United States
| | - JingWen Zhang
- Department of Medicine, School of Medicine, University of Louisville, Louisville, KY, United States
| | - Julia H. Chariker
- Department of Neuroscience Training, University of Louisville, Louisville, KY, United States
- Kentucky IDeA Networks of Biomedical Research Excellence, (KY INBRE) Bioinformatics Core, University of Louisville, Louisville, KY, United States
| | - Eric C. Rouchka
- Kentucky IDeA Networks of Biomedical Research Excellence, (KY INBRE) Bioinformatics Core, University of Louisville, Louisville, KY, United States
- Department of Biochemistry and Molecular Genetics, University of Louisville, Louisville, KY, United States
| | - Claudio Maldonado
- Department of Physiology, School of Medicine, University of Louisville, Louisville, KY, United States
| | - Anton Bennett
- Department of Pharmacology, Yale University School of Medicine, New Haven, CT, United States
| | - Craig James McClain
- Department of Medicine, School of Medicine, University of Louisville, Louisville, KY, United States
- Robley Rex Veterans Affairs (VA) Medical Center, Louisville, KY, United States
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY, United States
- Alcohol Research Center, University of Louisville, Louisville, KY, United States
- Hepatobiology and Toxicology Center, University of Louisville, Louisville, KY, United States
| | - Shirish Barve
- Department of Medicine, School of Medicine, University of Louisville, Louisville, KY, United States
- Alcohol Research Center, University of Louisville, Louisville, KY, United States
- Hepatobiology and Toxicology Center, University of Louisville, Louisville, KY, United States
| | - Leila Gobejishvili
- Department of Physiology, School of Medicine, University of Louisville, Louisville, KY, United States
- Department of Medicine, School of Medicine, University of Louisville, Louisville, KY, United States
- Alcohol Research Center, University of Louisville, Louisville, KY, United States
- Hepatobiology and Toxicology Center, University of Louisville, Louisville, KY, United States
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10
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Subramaniyan V, Lubau NSA, Mukerjee N, Kumarasamy V. Alcohol-induced liver injury in signalling pathways and curcumin's therapeutic potential. Toxicol Rep 2023; 11:355-367. [PMID: 37868808 PMCID: PMC10585641 DOI: 10.1016/j.toxrep.2023.10.005] [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: 08/09/2023] [Revised: 09/30/2023] [Accepted: 10/11/2023] [Indexed: 10/24/2023] Open
Abstract
Confronting the profound public health concern of alcohol-induced liver damage calls for inventive therapeutic measures. The social, economic, and clinical ramifications are extensive and demand a comprehensive understanding. This thorough examination uncovers the complex relationship between alcohol intake and liver damage, with a special emphasis on the pivotal roles of the Toll-like receptor 4 (TLR4)/NF-κB p65 and CYP2E1/ROS/Nrf2 signalling networks. Different alcohol consumption patterns, determined by a myriad of factors, have significant implications for liver health, leading to a spectrum of adverse effects. The TLR4/NF-κB p65 pathway, a principal regulator of inflammation and immune responses, significantly contributes to various disease states when its balance is disrupted. Notably, the TLR4/MD-2-TNF-α pathway has been linked to non-alcohol related liver disease, while NF-κB activation is associated with alcohol-induced liver disease (ALD). The p65 subunit of NF-κB, primarily responsible for the release of inflammatory cytokines, hastens the progression of ALD. Breakthrough insights suggest that curcumin, a robust antioxidant and anti-inflammatory compound sourced from turmeric, effectively disrupts the TLR4/NF-κB p65 pathway. This heralds a new approach to managing alcohol-induced liver damage. Initial clinical trials support curcumin's therapeutic potential, highlighting its ability to substantially reduce liver enzyme levels. The narrative surrounding alcohol-related liver injury is gradually becoming more intricate, intertwining complex signalling networks such as TLR4/NF-κB p65 and CYP2E1/ROS/Nrf2. The protective role of curcumin against alcohol-related liver damage marks the dawn of new treatment possibilities. However, the full realisation of this promising therapeutic potential necessitates rigorous future research to definitively understand these complex mechanisms and establish curcumin's effectiveness and safety in managing alcohol-related liver disorders.
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Affiliation(s)
- Vetriselvan Subramaniyan
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University, Jalan Lagoon Selatan, Bandar Sunway, 47500 Subang Jaya, Selangor, Malaysia
- Center for Transdisciplinary Research, Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu 600077, India
| | - Natasha Sura Anak Lubau
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University, Jalan Lagoon Selatan, Bandar Sunway, 47500 Subang Jaya, Selangor, Malaysia
| | - Nobendu Mukerjee
- Department of Microbiology, Ramakrishna Mission Vivekananda Centenary Collage, Kolkata, West Bengal 700118, India
- Department of Health Sciences, Novel Global Community and Educational Foundation, Australia
| | - Vinoth Kumarasamy
- Department of Parasitology and Medical Entomology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, 56000 Cheras, Kuala Lumpur, Malaysia
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11
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Namachivayam A, Valsala Gopalakrishnan A. Effect of Lauric acid against ethanol-induced hepatotoxicity by modulating oxidative stress/apoptosis signalling and HNF4α in Wistar albino rats. Heliyon 2023; 9:e21267. [PMID: 37908709 PMCID: PMC10613920 DOI: 10.1016/j.heliyon.2023.e21267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 10/12/2023] [Accepted: 10/18/2023] [Indexed: 11/02/2023] Open
Abstract
Ethanol (EtOH) is most widely used in alcoholic beverages to prepare alcohol. As EtOH is mainly metabolised in the liver, the excessive consumption of EtOH forms a primary toxic metabolic product called acetaldehyde, as the gradual increase in acetaldehyde leads to liver injury, as reported. Lauric acid (LA) is rich in antioxidant, antifungal, antibacterial, anticancer, and antiviral properties. LA is an edible component highly present in coconut oil. However, no report on LA protective effects against the EtOH-instigated hepatotoxicity exists. Therefore, the experiment is carried out to investigate the potency effects of LA on EtOH-instigated hepatotoxicity in thirty male albino rats. Rats were divided into five groups (n-6): control DMSO alone, EtOH -intoxicated, EtOH + LA 180 mg/kg, EtOH + LA 360 mg/kg, and LA alone were administered orally using oral gavage. The study measured body weight every weekend in all rat groups. The rats were sacrificed and assessed for serum markers (alkaline phosphatase, alanine aminotransferase, aspartate aminotransferase), antioxidant activity (superoxide dismutase, reduced glutathione, glutathione peroxidase), lipid peroxidation (malondialdehyde), histopathological, cytokine levels (TNF-α, IL-1β and IL-6), protein expression (caspase 3 and caspase 8 and Bcl-2 and HNF4α) were evaluated after the 56-days study period. The impact of EtOH intoxication reduces the rat's body weight by 90 g, upregulates the liver enzyme markers, depletes the antioxidant levels, produces malondialdehyde, changes the histoarchitecture (periportal inflammation and hepatocyte damage), downregulates the Bcl-2 expressions and HNF4α, and elevates the expression of cytokines and apoptotic markers. LA alleviated EtOH-induced liver toxicity by significant (p < 0.05) modulation of biochemical levels, caspase-8/3 signalling, reducing pro-inflammatory cytokines, and restoring the normal histoarchitecture, upregulating the Bcl-2 and HNF4α Expressions. In conclusion, LA treatment can protect the liver against EtOH-induced hepatotoxicity, evidenced by alleviating Oxidative stress, lipid peroxidation, inflammation, apoptosis, and upregulation of HNF4α.
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Affiliation(s)
- Arunraj Namachivayam
- Department of Biomedical Sciences, School of Bio-Sciences and Technology, Vellore Institute of Technology (VIT), Vellore 632014, India
| | - Abilash Valsala Gopalakrishnan
- Department of Biomedical Sciences, School of Bio-Sciences and Technology, Vellore Institute of Technology (VIT), Vellore 632014, India
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12
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Aldal'in H, Al-Nadaf AH, Awadallah A, Thiab S, Bastoni HM. Methanolic extract of S. securidaca flowers, leaves, and seeds' antihyperlipidemic effects on high fat diet-induced hyperlipidemia in Wistar rats. BRAZ J BIOL 2023; 83:e275382. [PMID: 37909591 DOI: 10.1590/1519-6984.275382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Accepted: 08/28/2023] [Indexed: 11/03/2023] Open
Abstract
Significant risk factors for atherosclerosis include hyperlipidemia and oxidative stress, which together rank as three of the most significant risk factors for cardiovascular diseases. Securigera securidaca lowers cholesterol levels in diabetic rats' blood. This investigation's objective was to determine how methanolic extracts affected the flowers, leaves, and seeds of plants in rats that were fed a high-fat diet (HFD). Five groups of animals were created (n = 5). A total of 35 days, divided into two intervals, were used for the study. Rats received HFD during the first 15-day interval, while during the second 20-day interval, they also received extracts or the Atorvastatin reference drug. The extract of seeds has a high phenol content as well as DPPH radical antioxidant activity. Extracts were given at a dose of 200 mg/kg; p.o. Methanolic treatment of S. securidaca flowers, leaves, and seeds in HFD-induced hyperlipidemic rats resulted in significant reductions in total cholesterol, triglycerides, LDLC, and VLDL-C levels. HDL-C levels increased significantly because of the leaves. While in hyperlipidemic rats, seeds significantly reduced the activities of the enzymes ALT and ALP. The findings showed that, to a certain extent, seeds, flowers, and leaves may have benefits in reducing hyperlipidemia brought on by HFD in terms of lipid profiles and liver function enzymes. The findings of this study indicate a promising application prospect, but more research is needed to determine the exact mechanism of these novel compounds as antihyperlipidemic agents and to clarify their potential combination effect with synthetic drugs such as Atorvastatin. Combinations can reduce the dose of chemical medications required, which lowers the risk of side effects.
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Affiliation(s)
- H Aldal'in
- Al-Karak University College, Al-Balqa Applied University, Department of Medical Support, Al-Karak, Jordan
| | - A H Al-Nadaf
- Mu'tah University, Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Al-Karak, Jordan
| | - A Awadallah
- Mu'tah University, Faculty of Pharmacy, Department of Pharmaceutics, Al-Karak, Jordan
| | - S Thiab
- Applied Private Science University, Faculty of Pharmacy, Amman, Jordan
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13
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Reshma A, Tamilanban T, Chitra V, Subramaniyan V, Gupta G, Fuloria NK, Sekar M, Fuloria S, Sahu R, Narayanan J, Chakravarthy S, Selvaraj S. Anti-obesity effects of olivetol in adult zebrafish model induced by short-term high-fat diet. Sci Rep 2023; 13:18449. [PMID: 37891223 PMCID: PMC10611697 DOI: 10.1038/s41598-023-44462-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 10/09/2023] [Indexed: 10/29/2023] Open
Abstract
Obesity is a complex disease caused by various factors, and synthetic drugs used to treat it can have side effects. Natural compounds, such as olivetol, could be a promising alternative. Olivetol is a substance found in certain lichen species and has anti-inflammatory and anti-cancer properties. In this study, researchers conducted in-silico molecular docking studies and found that olivetol had significant binding affinity with receptors involved in obesity. They also investigated the effects of olivetol on a diet-induced obese zebrafish model and found that high doses of olivetol reduced excessive fat accumulation and triglyceride and lipid accumulation. The low dose of olivetol showed a significant reduction in liver enzymes' levels. However, the high dose of olivetol resulted in a significant increase in HMG-CoA levels. These results suggest that olivetol may be a promising anti-obesity agent for the treatment of hyperlipidemia-related disorders, but further research is necessary to understand its full effects on the body.
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Affiliation(s)
- Andukuri Reshma
- Department of Pharmacology, SRM College of Pharmacy, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603203, India
| | - T Tamilanban
- Department of Pharmacology, SRM College of Pharmacy, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603203, India.
| | - V Chitra
- Department of Pharmacology, SRM College of Pharmacy, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603203, India
| | - Vetriselvan Subramaniyan
- Pharmacology Unit, Jeffrey Cheah School of Medicine and Health Sciences, Monash University, Jalan Lagoon Selatan, 47500, Bandar Sunway, Selangor Darul Ehsan, Malaysia.
- Centre for Global Health Research, Saveetha Medical College and Hospital, Saveetha University, Chennai, 602105, India.
| | - Gaurav Gupta
- School of Pharmacy, Graphic Era Hill University, Dehradun, 248007, India
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, Jaipur, 302017, India
| | | | - Mahendran Sekar
- School of Pharmacy, Monash University Malaysia , Jalan Lagoon Selatan, 47500, Bandar Sunway, Selangor Darul Ehsan, Malaysia
| | - Shivkanya Fuloria
- Faculty of Pharmacy, AIMST University, 08100, Bedong, Kedah, Malaysia
| | | | - J Narayanan
- Department of Pharmacology, SRM College of Pharmacy, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603203, India
| | - Srikumar Chakravarthy
- SEGi University, Jalan Teknologi, Taman Sains Selangor, Kota Damansara, PJU 5, 47810, Petaling Jaya, Selangor, Malaysia
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Patil NY, Rus I, Joshi AD. Role of ERK1/2 Signaling in Cinnabarinic Acid-Driven Stanniocalcin 2-Mediated Protection against Alcohol-Induced Apoptosis. J Pharmacol Exp Ther 2023; 387:111-120. [PMID: 37562971 PMCID: PMC10519581 DOI: 10.1124/jpet.123.001670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 07/07/2023] [Accepted: 07/13/2023] [Indexed: 08/12/2023] Open
Abstract
We have previously shown that a bona fide aryl hydrocarbon receptor (AhR) agonist, cinnabarinic acid (CA), protects against alcohol-induced hepatocyte apoptosis via activation of a novel AhR target gene, stanniocalcin 2 (Stc2). Stc2 translates to a secreted disulfide-linked hormone, STC2, known to function in cell development, calcium and phosphate regulation, angiogenesis, and antiapoptosis-albeit the comprehensive mechanism by which the CA-AhR-STC2 axis confers antiapoptosis is yet to be characterized. In this study, using RNA interference library screening, downstream antiapoptotic molecular signaling components involved in CA-induced STC2-mediated protection against ethanol-induced apoptosis were investigated. RNA interference library screening of kinases and phosphatases in Hepa1 cells and subsequent pathway analysis identified mitogen-activated protein kinase (MAPK) signaling as a critical molecular pathway involved in CA-mediated protection. Specifically, phosphorylation of ERK1/2 was induced in response to CA treatment without alterations in p38 and JNK signaling pathways. Silencing Stc2 in Hepa1 cells and in vivo experiments performed in Stc2-/- (Stc2 knockout) mice, which failed to confer CA-mediated protection against ethanol-induced apoptosis, showed abrogation of ERK1/2 activation, underlining the significance of ERK1/2 signaling in CA-STC2-mediated protection. In conclusion, activation of ERK1/2 signaling in CA-driven AhR-dependent Stc2-mediated protection represents a novel mechanism of protection against acute alcohol-induced apoptosis. SIGNIFICANCE STATEMENT: Previous studies have shown the role of stanniocalcin 2 (Stc2) in cinnabarinic acid (CA)-mediated protection against alcohol-induced apoptosis. Here, using RNA interference library screening and subsequent in vivo studies, the functional significance of ERK1/2 activation in CA-induced Stc2-mediated protection against acute ethanol-induced apoptosis was identified. This study is thus significant as it illustrates a comprehensive downstream mechanism by which CA-induced Stc2 protects against alcoholic liver disease.
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Affiliation(s)
- Nikhil Y Patil
- Department of Pharmaceutical Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Iulia Rus
- Department of Pharmaceutical Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Aditya D Joshi
- Department of Pharmaceutical Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
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15
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Yang X, Wang L, Cui X, Zhang J, Liang Y, Luo Z, Zhou B, Jiang Z, Yang RYH, Wu Y, Wei K, Du M, Qin S, Dai C, Zhao G. Proteomics and network pharmacology of Ganshu Nuodan capsules in the prevention of alcoholic liver disease. Front Endocrinol (Lausanne) 2023; 14:1229777. [PMID: 37795374 PMCID: PMC10547213 DOI: 10.3389/fendo.2023.1229777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Accepted: 07/25/2023] [Indexed: 10/06/2023] Open
Abstract
Introduction Ganshu Nuodan is a liver-protecting dietary supplement composed of Ganoderma lucidum (G. lucidum) spore powder, Pueraria montana (Lour.) Merr. (P. montana), Salvia miltiorrhiza Bunge (S. miltiorrhiza) and Astragalus membranaceus (Fisch.) Bunge. (A. membranaceus). However, its pharmacodynamic material basis and mechanism of action remain unknown. Methods A mouse model of acute alcohol liver disease (ALD) induced by intragastric administration of 50% alcohol was used to evaluate the hepatoprotective effect of Ganshu Nuodan. The chemical constituents of Ganshu Nuodan were comprehensively identified by UPLC-QTOF/MS, and then its pharmacodynamic material basis and potential mechanism of action were explored by proteomics and network pharmacology. Results Ganshu Nuodan could ameliorate acute ALD, which is mainly manifested in the significant reduction of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) in serum and malondialdehyde (MDA) content in liver and the remarkably increase of glutathione (GSH) content and superoxide dismutase (SOD) activity in liver. Totally 76 chemical constituents were identified from Ganshu Nuodan by UPLC-QTOF/MS, including 21 quinones, 18 flavonoids, 11 organic acids, 7 terpenoids, 5 ketones, 4 sterols, 3 coumarins and 7 others. Three key signaling pathways were identified via proteomics studies, namely Arachidonic acid metabolism, Retinol metabolism, and HIF-1 signaling pathway respectively. Combined with network pharmacology and molecular docking, six key targets were subsequently obtained, including Ephx2, Lta4h, Map2k1, Stat3, Mtor and Dgat1. Finally, these six key targets and their related components were verified by molecular docking, which could explain the material basis of the hepatoprotective effect of Ganshu Nuodan. Conclusion Ganshu Nuodan can protect acute alcohol-induced liver injury in mice by inhibiting oxidative stress, lipid accumulation and apoptosis. Our study provides a scientific basis for the hepatoprotective effect of Ganshu Nuodan in acute ALD mice and supports its traditional application.
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Affiliation(s)
- Xiaonan Yang
- Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement, National Engineering Research Center for Southwest Endangered Medicinal Resources Development, National Center for TCM Inheritance and Innovation, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Lei Wang
- Department of Ultrasound, Shandong Provincial Hospital Affiliated To Shandong First Medical University, Jinan, China
| | - Xuejie Cui
- Ministry of Education (MOE) Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Jing Zhang
- Department of Traditional Chinese Medicine, Shandong Mental Health Center, Shandong University, Jinan, Shandong, China
| | - Ying Liang
- Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement, National Engineering Research Center for Southwest Endangered Medicinal Resources Development, National Center for TCM Inheritance and Innovation, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Zhaojing Luo
- Ministry of Education (MOE) Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Bingxue Zhou
- Ministry of Education (MOE) Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Zheng Jiang
- Ministry of Education (MOE) Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Rachel Y. H. Yang
- Upper School, La Jolla Country Day School, La Jolla, CA, United States
| | - Yi Wu
- Department of Ultrasound, Shandong Provincial Hospital Affiliated To Shandong First Medical University, Jinan, China
| | - Kunhua Wei
- Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement, National Engineering Research Center for Southwest Endangered Medicinal Resources Development, National Center for TCM Inheritance and Innovation, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Maobo Du
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Shuangshuang Qin
- Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement, National Engineering Research Center for Southwest Endangered Medicinal Resources Development, National Center for TCM Inheritance and Innovation, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Chen Dai
- College of Life Sciences, Nanjing Agricultural University, Nanjing, China
| | - Guoliang Zhao
- Department of Gastroenterology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
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16
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Hemrage S, Brobbin E, Deluca P, Drummond C. Efficacy of psychosocial interventions to reduce alcohol use in comorbid alcohol use disorder and alcohol-related liver disease: a systematic review of randomized controlled trials. Alcohol Alcohol 2023; 58:478-484. [PMID: 37530582 PMCID: PMC10493519 DOI: 10.1093/alcalc/agad051] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 06/10/2023] [Accepted: 07/12/2023] [Indexed: 08/03/2023] Open
Abstract
This systematic review (PROSPERO CRD42021234598) fills a gap in the literature by assessing the efficacy of psychosocial interventions in patients with alcohol use disorder and alcohol-related liver disease (ARLD), focusing on drinking reduction and abstinence as intervention goals. A systematic search for randomized controlled trials (RCTs) was conducted across various databases. Study screening and data extraction were conducted independently by two reviewers. The data were presented through narrative synthesis. Primary outcomes were alcohol reduction and abstinence at the longest follow-up. Ten RCTs were included, evaluating interventions such as cognitive behavioral therapy (CBT), motivational enhancement therapy (MET), motivational interviewing, or peer support. The total population included 1519 participants. Four studies included a combination of more than one intervention, and two trialed an integrated approach, including medical and psychosocial management. A significant reduction was observed with MET, while abstinence was observed with peer support, MET, and CBT/MET within integrated treatment. The overall certainty of the evidence was moderate. Six studies presented a low risk of bias, one had some concerns, and three were high risk. The findings highlight the potential of psychosocial interventions, with MET being repeatedly associated with improved outcomes. Integrated treatment also demonstrated a promising role in ARLD. Future research should head toward improving the robustness and quality of the evidence. It should also aim to further tailor and trial new psychosocial interventions on this specific clinical population. This will enhance the translation of the evidence into real-world settings.
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Affiliation(s)
- Sofia Hemrage
- Department of Addictions, National Addiction Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, 4 Windsor Walk, London SE5 8AF, United Kingdom
| | - Eileen Brobbin
- Department of Addictions, National Addiction Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, 4 Windsor Walk, London SE5 8AF, United Kingdom
| | - Paolo Deluca
- Department of Addictions, National Addiction Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, 4 Windsor Walk, London SE5 8AF, United Kingdom
| | - Colin Drummond
- Department of Addictions, National Addiction Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, 4 Windsor Walk, London SE5 8AF, United Kingdom
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17
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Wang X, Liu B, Liu Y, Wang Y, Wang Z, Song Y, Xu J, Xue C. Antioxidants ameliorate oxidative stress in alcoholic liver injury by modulating lipid metabolism and phospholipid homeostasis. Lipids 2023; 58:229-240. [PMID: 37547958 DOI: 10.1002/lipd.12377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 07/02/2023] [Accepted: 07/13/2023] [Indexed: 08/08/2023]
Abstract
Alcoholic liver disease (ALD) is a significant risk factor in the global disease burden. The antioxidants vitamin C (Vc) and N-acetyl cysteine (NAC) have shown hepatoprotective effects in preventing and treating ALD. However, the correlation between the improved effect of antioxidants and lipid metabolism is still unclear. In this study, AML12 cells and C57BL/6 mice stimulated with alcohol were used to investigate the protective effects and potential mechanisms of two antioxidants (Vc and NAC) on alcoholic liver injury. Results showed that Vc and NAC attenuated intracellular lipid accumulation and oxidative damage induced by excessive alcohol exposure in hepatic AML12 cells. The in vivo results indicated that antioxidants ameliorated alcohol-induced changes in histopathology, reducing the levels of alcohol metabolizing factors and aspartate aminotransferase (AST), alanine aminotransferase (ALT), triglyceride (TG), and total cholesterol (TC) contents, which demonstrated that antioxidants effectively mitigated liver injury in ALD mice. Further studies showed that antioxidants reversed the disruption of fatty acid (FA) synthesis and lipid transport induced by alcohol exposure, and restored phospholipid levels. Especially, Vc and NAC increased the endogenous antioxidant plasmenyl phosphatidylethanolamine (PlsEtn). Additionally, antioxidants ameliorated the alcohol-impaired mitochondrial function and inhibited excessive oxidative stress. In conclusion, antioxidants can regulate lipid metabolism and phospholipid homeostasis, which in turn inhibit oxidative stress and thereby exert protective effects against ALD.
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Affiliation(s)
- Xiaoxu Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province, China
- College of Marine Life Sciences, Ocean University of China, Qingdao, Shandong Province, China
| | - Bin Liu
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province, China
| | - Yanjun Liu
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province, China
| | - Yuliu Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province, China
| | - Zhigao Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province, China
| | - Yu Song
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province, China
| | - Jie Xu
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province, China
| | - Changhu Xue
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province, China
- Laboratory of Marine Drugs and Biological Products, Pilot National Laboratory for Marine Science and Technology, Qingdao, Shandong Province, China
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18
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Chavda V, Zajac KK, Gunn JL, Balar P, Khadela A, Vaghela D, Soni S, Ashby CR, Tiwari AK. Ethnic differences in hepatocellular carcinoma prevalence and therapeutic outcomes. Cancer Rep (Hoboken) 2023; 6 Suppl 1:e1821. [PMID: 37344125 PMCID: PMC10440848 DOI: 10.1002/cnr2.1821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 03/17/2023] [Accepted: 04/10/2023] [Indexed: 06/23/2023] Open
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is a leading cause of cancer-related death worldwide. The incidence of HCC is affected by genetic and non-genetic factors. Genetically, mutations in the genes, tumor protein P53 (TP53), catenin beta 1 (CTNNB1), AT-rich interaction domain 1A (ARIC1A), cyclin dependent kinase inhibitor 2A (CDKN2A), mannose 6-phosphate (M6P), smooth muscle action against decapentaplegic (SMAD2), retinoblastoma gene (RB1), cyclin D, antigen presenting cells (APC), AXIN1, and E-cadherin, have been shown to contribute to the occurrence of HCC. Non-genetic factors, including alcohol consumption, exposure to aflatoxin, age, gender, presence of hepatitis B (HBV), hepatitis C (HCV), and non-alcoholic fatty liver disease (NAFLD), increase the risk of HCC. RECENT FINDINGS The severity of the disease and its occurrence vary based on geographical location. Furthermore, men and minorities have been shown to be disproportionately affected by HCC, compared with women and non-minorities. Ethnicity has been reported to significantly affect tumorigenesis and clinical outcomes in patients diagnosed with HCC. Generally, differences in gene expression and/or the presence of comorbid medical diseases affect or influence the progression of HCC. Non-Caucasian HCC patients are significantly more likely to have poorer survival outcomes, compared to their Caucasian counterparts. Finally, there are a number of factors that contribute to the success rate of treatments for HCC. CONCLUSION Assessment and treatment of HCC must be consistent using evidence-based guidelines and standardized outcomes, as well as international clinical practice guidelines for global consensus. Standardizing the assessment approach and method will enable comparison and improvement of liver cancer research through collaboration between researchers, healthcare providers, and advocacy groups. In this review, we will focus on discussing epidemiological factors that result in deviations and changes in treatment approaches for HCC.
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Affiliation(s)
- Vivek Chavda
- Department of Pharmaceutics and Pharmaceutical TechnologyL M College of PharmacyAhmedabadIndia
| | - Kelsee K. Zajac
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical SciencesUniversity of ToledoOhioUSA
| | - Jenna Lynn Gunn
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical SciencesUniversity of ToledoOhioUSA
| | - Pankti Balar
- Pharmacy SectionL M College of PharmacyAhmedabadIndia
| | - Avinash Khadela
- Department of PharmacologyL M College of PharmacyAhmedabadIndia
| | - Dixa Vaghela
- Pharmacy SectionL M College of PharmacyAhmedabadIndia
| | - Shruti Soni
- PharmD SectionL M College of PharmacyAhmedabadIndia
| | - Charles R. Ashby
- Department of Pharmaceutical Sciences, College of PharmacySt. John's UniversityNew YorkNew YorkUSA
| | - Amit K. Tiwari
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical SciencesUniversity of ToledoOhioUSA
- Department of Cancer Biology, College of Medicine and Life SciencesUniversity of ToledoToledoOhioUSA
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19
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Jegal KH, Park HR, Choi BR, Kim JK, Ku SK. Synergistic Protective Effect of Fermented Schizandrae Fructus Pomace and Hoveniae Semen cum Fructus Extracts Mixture in the Ethanol-Induced Hepatotoxicity. Antioxidants (Basel) 2023; 12:1602. [PMID: 37627597 PMCID: PMC10451898 DOI: 10.3390/antiox12081602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 08/04/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023] Open
Abstract
Schizandrae Fructus (SF), fruits of Schisandra chinensis (Turcz.) Baill. and Hoveniae Semen cum Fructus (HSCF), the dried peduncle of Hovenia dulcis Thunb., have long been used for alcohol detoxification in the traditional medicine of Korea and China. In the current study, we aimed to evaluate the potential synergistic hepatoprotective effect of a combination mixture (MSH) comprising fermented SF pomace (fSFP) and HSCF hot water extracts at a 1:1 (w:w) ratio against ethanol-induced liver toxicity. Subacute ethanol-mediated hepatotoxicity was induced by the oral administration of ethanol (5 g/kg) in C57BL/6J mice once daily for 14 consecutive days. One hour after each ethanol administration, MSH (50, 100, and 200 mg/kg) was also orally administered daily. MSH administration significantly reduced the serum activities of alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, and γ-glutamyl transpeptidase. Histological observation indicated that MSH administration synergistically and significantly decreased the fatty changed region of hepatic parenchyma and the formation of lipid droplet in hepatocytes. Moreover, MSH significantly attenuated the hepatic triglyceride accumulation through reducing lipogenesis genes expression and increasing fatty acid oxidation genes expression. In addition, MSH significantly inhibited protein nitrosylation and lipid peroxidation by lowering cytochrome P450 2E1 enzyme activity and restoring the glutathione level, superoxide dismutase and catalase activity in liver. Furthermore, MSH synergistically decreased the mRNA level of tumor necrosis factor-α in the hepatic tissue. These findings indicate that MSH has potential for preventing alcoholic liver disease through inhibiting hepatic steatosis, oxidative stress, and inflammation.
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Affiliation(s)
- Kyung-Hwan Jegal
- Department of Korean Medical Classics, College of Korean Medicine, Daegu Haany University, Gyeongsan 38610, Republic of Korea;
| | - Hye-Rim Park
- Department of Anatomy and Histology, College of Korean Medicine, Daegu Haany University, Gyeongsan 38610, Republic of Korea;
- Nutracore Co., Ltd., Suwon 16514, Republic of Korea;
| | - Beom-Rak Choi
- Nutracore Co., Ltd., Suwon 16514, Republic of Korea;
| | - Jae-Kwang Kim
- Department of Physiology, College of Korean Medicine, Daegu Haany University, Gyeongsan 38610, Republic of Korea
| | - Sae-Kwang Ku
- Department of Anatomy and Histology, College of Korean Medicine, Daegu Haany University, Gyeongsan 38610, Republic of Korea;
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20
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Nirenjen S, Narayanan J, Tamilanban T, Subramaniyan V, Chitra V, Fuloria NK, Wong LS, Ramachawolran G, Sekar M, Gupta G, Fuloria S, Chinni S, Selvaraj S. Exploring the contribution of pro-inflammatory cytokines to impaired wound healing in diabetes. Front Immunol 2023; 14:1216321. [PMID: 37575261 PMCID: PMC10414543 DOI: 10.3389/fimmu.2023.1216321] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 06/26/2023] [Indexed: 08/15/2023] Open
Abstract
Background Impaired wound healing is the most common and significant complication of Diabetes. While most other complications of Diabetes have better treatment options, diabetic wounds remain a burden as they can cause pain and suffering in patients. Wound closure and repair are orchestrated by a sequence of events aided by the release of pro-inflammatory cytokines, which are dysregulated in cases of Diabetes, making the wound environment unfavorable for healing and delaying the wound healing processes. This concise review provides an overview of the dysregulation of pro-inflammatory cytokines and offers insights into better therapeutic outcomes. Purpose of review Although many therapeutic approaches have been lined up nowadays to treat Diabetes, there are no proper treatment modalities proposed yet in treating diabetic wounds due to the lack of understanding about the role of inflammatory mediators, especially Pro-inflammatory mediators- Cytokines, in the process of Wound healing which we mainly focus on this review. Recent findings Although complications of Diabetes mellitus are most reported after years of diagnosis, the most severe critical complication is impaired Wound Healing among Diabetes patients. Even though Trauma, Peripheral Artery Disease, and Peripheral Neuropathy are the leading triggering factors for the development of ulcerations, the most significant issue contributing to the development of complicated cutaneous wounds is wound healing impairment. It may even end up with amputation. Newer therapeutic approaches such as incorporating the additives in the present dressing materials, which include antimicrobial molecules and immunomodulatory cytokines is of better therapeutic value. Summary The adoption of these technologies and the establishment of novel therapeutic interventions is difficult since there is a gap in terms of a complete understanding of the pathophysiological mechanisms at the cellular and molecular level and the lack of data in terms of the assessment of safety and bioavailability differences in the individuals' patients. The target-specific pro-inflammatory cytokines-based therapies, either by upregulation or downregulation of them, will be helpful in the wound healing process and thereby enhances the Quality of life in patients, which is the goal of drug therapy.
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Affiliation(s)
- S. Nirenjen
- Department of Pharmacology, SRM College of Pharmacy, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | - J. Narayanan
- Department of Pharmacology, SRM College of Pharmacy, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | - T. Tamilanban
- Department of Pharmacology, SRM College of Pharmacy, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | - Vetriselvan Subramaniyan
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University, Jalan Lagoon Selatan, Bandar Sunway, Petaling Jaya, Selangor, Malaysia
- Center for Transdisciplinary Research, Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India
| | - V. Chitra
- Department of Pharmacology, SRM College of Pharmacy, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | | | - Ling Shing Wong
- Faculty of Health and Life Sciences, INTI International University, Nilai, Malaysia
| | - Gobinath Ramachawolran
- Department of Foundation, RCSI & UCD Malaysia Campus, Jalan Sepoy Lines, Georgetown, Pulau Pinang, Malaysia
| | - Mahendran Sekar
- School of Pharmacy, Monash University Malaysia, Subang Jaya, Selangor, Malaysia
| | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, Mahal Road, Jaipur, India
- Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, India
| | | | - Suresh V. Chinni
- Department of Biochemistry, Faculty of Medicine, Bioscience, and Nursing, MAHSA University, Jenjarom, Selangor, Malaysia
- Department of Periodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
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21
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Li H, Wang H, Yang A, Xue M, Wang J, Lv Q, Liu J, Hu L, Zhang Y, Wang X. Gypenosides Synergistically Reduce the Extracellular Matrix of Hepatic Stellate Cells and Ameliorate Hepatic Fibrosis in Mice. Molecules 2023; 28:5448. [PMID: 37513321 PMCID: PMC10386501 DOI: 10.3390/molecules28145448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/14/2023] [Accepted: 07/15/2023] [Indexed: 07/30/2023] Open
Abstract
Liver fibrosis resulting from chronic liver damage is becoming one of the major threats to health worldwide. Active saponin constituents isolated from Gynostemma pentaphyllum were found to possess a protective effect in liver diseases. Here, we obtained a naturally abundant gypenoside, XLVI, and evaluated its liver protection activity in both animal and cellular models. The results showed that it ameliorated acute and chronic liver injuries and lightened the process of fibrogenesis in vivo. XLVI can inhibit TGF-β-induced activation of hepatic stellate cells and ECM deposition in vitro. The underlying mechanism study verified that it upregulated the protein expression of protein phosphatase 2C alpha and strengthened the vitality of the phosphatase together with a PP2Cα agonist gypenoside NPLC0393. These results shed new light on the molecular mechanisms and the potential therapeutic function of the traditional herb Gynostemma pentaphyllum in the treatment of liver fibrosis.
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Affiliation(s)
- Han Li
- Jiangsu Key Laboratory for Functional Substances of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Hanghang Wang
- Jiangsu Key Laboratory for Functional Substances of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Aiping Yang
- Jiangsu Key Laboratory for Functional Substances of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Mingzhen Xue
- Jiangsu Key Laboratory for Functional Substances of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Junyang Wang
- Jiangsu Key Laboratory for Functional Substances of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Qi Lv
- Jiangsu Key Laboratory for Functional Substances of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Jian Liu
- Jiangsu Key Laboratory for Functional Substances of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Lihong Hu
- Jiangsu Key Laboratory for Functional Substances of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yinan Zhang
- Jiangsu Key Laboratory for Functional Substances of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Xiachang Wang
- Jiangsu Key Laboratory for Functional Substances of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Fujian Province Key Laboratory for the Development of Bioactive Material from Marine Algae, College of Oceanology and Food Science, Quanzhou Normal University, Quanzhou 362000, China
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22
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Tang Z, Ding Y, Zhang W, Zhang R, Zhang L, Wang M, Wang M, Chen Y, Wang J. Epidemiological characteristics of alcohol-related liver disease in China: a systematic review and meta-analysis. BMC Public Health 2023; 23:1276. [PMID: 37391815 PMCID: PMC10314568 DOI: 10.1186/s12889-023-15645-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Accepted: 04/10/2023] [Indexed: 07/02/2023] Open
Abstract
BACKGROUND This meta-analysis aimed to explore the epidemiological characteristics of alcohol-related liver disease (ALD) in China. METHODS Studies published between January 2000 and January 2023 were searched from 3 databases in English and 3 databases in Chinese. DerSimonian-Laird's random-effects model was adopted to calculate the pooled prevalence. RESULTS A total of 21 studies were included. The pooled prevalence of ALD was 4.8% (95% CI, 3.6%-6.2%) in the general population, 9.3% (95% CI, 4.4%-16.0%) in males, and 2.0% (95% CI, 0.0%-6.7%) in females. The prevalence was the highest in western China (5.0% [95% CI, 3.3%-6.9%]) and the lowest in central China (4.4% [95% CI, 4.0%-4.8%]). The prevalence among people with different drinking histories (less than 5 years, 5 to 10 years, and over 10 years) was 0.9% (95% CI, 0.2%-1.9%), 4.6% (95% CI, 3.0%-6.5%), and 9.9% (95% CI, 6.5%-14.0%), respectively. The prevalence in 1999-2004 was 4.7% (95% CI, 3.0%-6.7%) and then changed from 4.3% (95% CI, 3.5%-5.3%) in 2005-2010 to 6.7% (95% CI, 5.3%-8.3%) in 2011-2016. CONCLUSIONS The prevalence of ALD in China has increased in recent decades, with population-related variations. Targeted public health strategies are needed, especially in high-risk groups, such as male with long-term alcohol drinking. TRIAL REGISTRATION The registration number on PROSPERO is CRD42021269365.
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Affiliation(s)
- Zongzhe Tang
- Department of Fundamental and Community Nursing, School of Nursing, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, Jiangsu, China
| | - Yajie Ding
- Department of Fundamental and Community Nursing, School of Nursing, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, Jiangsu, China
| | - Wei Zhang
- Shanghai Cancer Institute, Shanghai, 200032, China
| | - Ru Zhang
- Department of Fundamental and Community Nursing, School of Nursing, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, Jiangsu, China
| | - Liuxin Zhang
- The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Sha Tin, New Territories, Hong Kong (SAR), China
| | - Minxian Wang
- Hospital Development Management Office, Nanjing Medical University, Nanjing, China
| | - Min Wang
- Department of Fundamental and Community Nursing, School of Nursing, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, Jiangsu, China
| | - Yue Chen
- Department of Fundamental and Community Nursing, School of Nursing, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, Jiangsu, China.
| | - Jie Wang
- Department of Fundamental and Community Nursing, School of Nursing, Nanjing Medical University, 101 Longmian Avenue, Nanjing, 211166, Jiangsu, China.
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23
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Mahdi WA, AlGhamdi SA, Alghamdi AM, Imam SS, Alshehri S, Almaniea MA, Hajjar BM, Al-Abbasi FA, Sayyed N, Kazmi I. Effect of Europinidin against Alcohol-Induced Liver Damage in Rats by Inhibiting the TNF-α/TGF-β/IFN-γ/NF-kB/Caspase-3 Signaling Pathway. ACS OMEGA 2023; 8:22656-22664. [PMID: 37396259 PMCID: PMC10308532 DOI: 10.1021/acsomega.3c01312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 05/12/2023] [Indexed: 07/04/2023]
Abstract
BACKGROUND The effect of europinidin on alcoholic liver damage in rats was examined in this research. METHODS A total of 24 Wistar rats were grouped in the same way into four groups: normal control (normal), ethanol control (EtOH), europinidin low dose (10 mg/kg), and europinidin higher dose (20 mg/kg). The test group rats were orally treated with europinidin-10 and europinidin-20 for 4 weeks, whereas 5 mL/kg distilled water was administered to control rats. In addition, 1 h after the last dose of the above-mentioned oral treatment, 5 mL/kg (i.p.) EtOH was injected to induce liver injury. After 5 h of EtOH treatment, samples of blood were withdrawn for biochemical estimations. RESULTS Administration of europinidin at both doses restored all of the estimated serum, i.e., liver function tests (ALT, AST, ALP), biochemical test (Creatinine, albumin, BUN, direct bilirubin, and LDH), lipid assessment (TC and TG), endogenous antioxidants (GSH-Px, SOD, and CAT), malondialdehyde (MDA), nitric oxide (NO), cytokines (TGF-β, TNF-α, IL-1β, IL-6, IFN-γ, and IL-12), caspase-3, and nuclear factor kappa B (NF-κB) associated with the EtOH group. CONCLUSION The results of the investigation showed that europinidin had favorable effects in rats given EtOH and may have hepatoprotective potential property.
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Affiliation(s)
- Wael A. Mahdi
- Department
of Pharmaceutics, College of Pharmacy, King
Saud University, Riyadh 11451, Saudi Arabia
| | - Shareefa A. AlGhamdi
- Department
of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah 21589, Saudi Arabia
- Experimental
Biochemistry Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Amira M. Alghamdi
- Department
of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Syed Sarim Imam
- Department
of Pharmaceutics, College of Pharmacy, King
Saud University, Riyadh 11451, Saudi Arabia
| | - Sultan Alshehri
- Department
of Pharmaceutics, College of Pharmacy, King
Saud University, Riyadh 11451, Saudi Arabia
| | - Mohammad A. Almaniea
- Department
of Pharmaceutics, College of Pharmacy, King
Saud University, Riyadh 11451, Saudi Arabia
| | - Baraa Mohammed Hajjar
- Department
of Pharmaceutics, College of Pharmacy, King
Saud University, Riyadh 11451, Saudi Arabia
| | - Fahad A. Al-Abbasi
- Department
of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Nadeem Sayyed
- School
of Pharmacy, Glocal University, Saharanpur 247121, India
| | - Imran Kazmi
- Department
of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah 21589, Saudi Arabia
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24
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Itzel T, Falconer T, Roig A, Daza J, Park J, Cheong JY, Park RW, Wiest I, Ebert MP, Hripcsak G, Teufel A. Efficacy of Co-Medications in Patients with Alcoholic Liver Disease. Dig Dis 2023; 41:780-788. [PMID: 37364547 DOI: 10.1159/000529914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 02/08/2023] [Indexed: 06/28/2023]
Abstract
BACKGROUND Alcoholic liver disease (ALD) is still increasing and leads to acute liver injury but also liver cirrhosis and subsequent complications such as liver failure or hepatocellular carcinoma (HCC). As most patients fail to achieve alcohol abstinence, it is essential to identify alternative treatment options in order to improve the outcome of ALD patients. METHODS Evaluating two large cohorts of patients with ALD from the USA and Korea with a total of 12,006 patients, we investigated the effect on survival of aspirin, metformin, metoprolol, dopamine, and dobutamine drugs in patients with ALD between 2000 and 2020. Patient data were obtained through the "The Observational Health Data Sciences and Informatics consortium," an open-source, multi-stakeholder, and interdisciplinary collaborative effort. RESULTS The use of aspirin (p = 0.000, p = 0.000), metoprolol (p = 0.002, p = 0.000), and metformin (p = 0.000, p = 0.000) confers a survival benefit for both AUSOM- and NY-treated cohorts. Need of catecholamines dobutamine (p = 0.000, p = 0.000) and dopamine (p = 0.000, p = 0.000) was strongly indicative of poor survival. β-Blocker treatment with metoprolol (p = 0.128, p = 0.196) or carvedilol (p = 0.520, p = 0.679) was not shown to be protective in any of the female subgroups. CONCLUSION Overall, our data fill a large gap in long-term, real-world data on patients with ALD, confirming an impact of metformin, acetylsalicylic acid, and β-blockers on ALD patient's survival. However, gender and ethnic background lead to diverse efficacy in those patients.
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Affiliation(s)
- Timo Itzel
- Division of Hepatology, Division of Bioinformatics, Department of Medicine II, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Clinical Cooperation Unit Healthy Metabolism, Center for Preventive Medicine and Digital Health Baden-Württemberg (CPDBW), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Thomas Falconer
- Department of Biomedical Informatics, Columbia University Irving Medical Center, New York, New York, USA
| | - Ana Roig
- Division of Hepatology, Division of Bioinformatics, Department of Medicine II, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Clinical Cooperation Unit Healthy Metabolism, Center for Preventive Medicine and Digital Health Baden-Württemberg (CPDBW), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Jimmy Daza
- Division of Hepatology, Division of Bioinformatics, Department of Medicine II, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Clinical Cooperation Unit Healthy Metabolism, Center for Preventive Medicine and Digital Health Baden-Württemberg (CPDBW), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Jimyung Park
- Department of Biomedical Sciences, Ajou University Graduate School of Medicine, Suwon, Republic of Korea
| | - Jae Youn Cheong
- Department of Gastroenterology, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Rae Woong Park
- Department of Biomedical Sciences, Ajou University Graduate School of Medicine, Suwon, Republic of Korea
- Department of Biomedical Informatics, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Isabella Wiest
- Division of Hepatology, Division of Bioinformatics, Department of Medicine II, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Clinical Cooperation Unit Healthy Metabolism, Center for Preventive Medicine and Digital Health Baden-Württemberg (CPDBW), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Matthias P Ebert
- Clinical Cooperation Unit Healthy Metabolism, Center for Preventive Medicine and Digital Health Baden-Württemberg (CPDBW), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Department of Medicine II, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - George Hripcsak
- Department of Biomedical Informatics, Columbia University Irving Medical Center, New York, New York, USA
| | - Andreas Teufel
- Division of Hepatology, Division of Bioinformatics, Department of Medicine II, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Clinical Cooperation Unit Healthy Metabolism, Center for Preventive Medicine and Digital Health Baden-Württemberg (CPDBW), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
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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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Wang Z, Luo C, Zhou EW, Sandhu AF, Yuan X, Williams GE, Cheng J, Sinha B, Akbar M, Bhattacharya P, Zhou S, Song BJ, Wang X. Molecular Toxicology and Pathophysiology of Comorbid Alcohol Use Disorder and Post-Traumatic Stress Disorder Associated with Traumatic Brain Injury. Int J Mol Sci 2023; 24:ijms24108805. [PMID: 37240148 DOI: 10.3390/ijms24108805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/05/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
The increasing comorbidity of alcohol use disorder (AUD) and post-traumatic stress disorder (PTSD) associated with traumatic brain injury (TBI) is a serious medical, economic, and social issue. However, the molecular toxicology and pathophysiological mechanisms of comorbid AUD and PTSD are not well understood and the identification of the comorbidity state markers is significantly challenging. This review summarizes the main characteristics of comorbidity between AUD and PTSD (AUD/PTSD) and highlights the significance of a comprehensive understanding of the molecular toxicology and pathophysiological mechanisms of AUD/PTSD, particularly following TBI, with a focus on the role of metabolomics, inflammation, neuroendocrine, signal transduction pathways, and genetic regulation. Instead of a separate disease state, a comprehensive examination of comorbid AUD and PTSD is emphasized by considering additive and synergistic interactions between the two diseases. Finally, we propose several hypotheses of molecular mechanisms for AUD/PTSD and discuss potential future research directions that may provide new insights and translational application opportunities.
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Affiliation(s)
- Zufeng Wang
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
- Department of Forensic Medicine, Soochow University, Suzhou 215006, China
| | - Chengliang Luo
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
- Department of Forensic Medicine, Soochow University, Suzhou 215006, China
| | - Edward W Zhou
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Aaron F Sandhu
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Xiaojing Yuan
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - George E Williams
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Jialu Cheng
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Bharati Sinha
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Mohammed Akbar
- Division of Neuroscience & Behavior, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Rockville, MD 20892, USA
| | - Pallab Bhattacharya
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gandhinagar 382355, Gujarat, India
| | - Shuanhu Zhou
- Harvard Medical School, Harvard Stem Cell Institute, Boston, MA 02115, USA
| | - Byoung-Joon Song
- Section of Molecular Pharmacology and Toxicology, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Rockville, MD 20892, USA
| | - Xin Wang
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
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Yang J, Zhang L, Wang T, Zhang J, Li M, Jin X, Tan X, Wang G, Zhao F, Jin Y. Synergistic effects of combined treatment of 1,2-dichloroethane and high-dose ethanol on liver damage in mice and the related mechanisms. Food Chem Toxicol 2023; 176:113812. [PMID: 37150348 DOI: 10.1016/j.fct.2023.113812] [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: 03/24/2023] [Revised: 04/23/2023] [Accepted: 05/04/2023] [Indexed: 05/09/2023]
Abstract
Our previous studies have shown that the metabolism of 1,2-dichloroethane (1,2-DCE) mediated by CYP2E1 could result in oxidative damage in the liver of mice. In the current study, we further investigated the effects of combined treatment with 1,2-DCE and high dose ethanol on liver and the mechanisms since both of them can be metabolized by CYP2E1 in the liver. There are several novel findings in the current study. First, combined treatment of mice with 1,2-DCE and high-dose ethanol could synergistically upregulate both protein and mRNA levels of CYP2E1, which might aggravate liver damage through CYP2E1-mediated oxidative stress. Second, the combined treatment could also synergistically trigger NLRP3 inflammasome activation and inflammatory responses in the liver. Third, the combined treatment synergistically upregulated the antioxidant defence systems in response to oxidative stress, however the compensatory mechanisms of antioxidant defence systems appeared to be insufficient to protect liver damage in the mice. Finally, the upregulated CYP2E1 expression was confirmed by using its specific inhibitor to play the crucial roles in liver damage in the mice during the combined treatment.
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Affiliation(s)
- Jinhan Yang
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education, China Medical University, Shenyang, Liaoning, 110122, People's Republic of China; Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, Liaoning, People's Republic of China.
| | - Lin Zhang
- Department of Community Nursing, School of Nursing, Jinzhou Medical University, Jinzhou, 121000, Liaoning, People's Republic of China.
| | - Tong Wang
- Department of Basic Medical Sciences, Medical School, Taizhou University, Taizhou, 318000, Zhejiang, People's Republic of China.
| | - Jiajia Zhang
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education, China Medical University, Shenyang, Liaoning, 110122, People's Republic of China; Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, Liaoning, People's Republic of China.
| | - Mingyue Li
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education, China Medical University, Shenyang, Liaoning, 110122, People's Republic of China; Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, Liaoning, People's Republic of China.
| | - Xiaoxia Jin
- Department of Occupational and Environmental Health, School of Public Health, Shenyang Medical College, No. 146 Huanghe North Street, Yuhong District, Shenyang, 110034, Liaoning, People's Republic of China.
| | - Xiaoqiong Tan
- Centers for Disease Control and Prevention, Baodi District, 301800, Tianjin, People's Republic of China.
| | - Gaoyang Wang
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education, China Medical University, Shenyang, Liaoning, 110122, People's Republic of China; Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, Liaoning, People's Republic of China.
| | - Fenghong Zhao
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education, China Medical University, Shenyang, Liaoning, 110122, People's Republic of China; Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, Liaoning, People's Republic of China.
| | - Yaping Jin
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education, China Medical University, Shenyang, Liaoning, 110122, People's Republic of China; Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, Liaoning, People's Republic of China.
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Pokhrel S, Dilts M, Stahl Z, Boehme S, Frame G, Chiang JYL, Ferrell JM. Tgr5-/- mice are protected from ethanol-induced metabolic alterations through enhanced leptin and Fgf21 signaling. Hepatol Commun 2023; 7:02009842-202305010-00018. [PMID: 37185802 PMCID: PMC10145946 DOI: 10.1097/hc9.0000000000000138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 02/23/2023] [Indexed: 05/17/2023] Open
Abstract
BACKGROUND Alcohol-associated liver disease (ALD) is caused by chronic use of alcohol and ranges from hepatic steatosis to fibrosis and cirrhosis. Bile acids are physiological detergents that also regulate hepatic glucose and lipid homeostasis by binding to several receptors. One such receptor, Takeda G protein-coupled receptor 5 (TGR5), may represent a therapeutic target for ALD. Here, we used a chronic 10-day + binge ethanol-feeding model in mice to study the role of TGR5 in alcohol-induced liver injury. METHODS Female C57BL/6J wild-type mice and Tgr5-/- mice were pair-fed Lieber-DeCarli liquid diet with ethanol (5% v/v) or isocaloric control diet for 10 days followed by a gavage of 5% ethanol or isocaloric maltose control, respectively, to represent a binge-drinking episode. Tissues were harvested 9 hours following the binge, and metabolic phenotypes were characterized through examination of liver, adipose, and brain mechanistic pathways. RESULTS Tgr5-/- mice were protected from alcohol-induced accumulation of hepatic triglycerides. Interestingly, liver and serum levels of Fgf21 were significantly increased during ethanol feeding in Tgr5-/- mice, as was phosphorylation of Stat3. Parallel to Fgf21 levels, increased leptin gene expression in white adipose tissue and increased leptin receptor in liver were detected in Tgr5-/- mice fed ethanol diet. Adipocyte lipase gene expression was significantly increased in Tgr5-/- mice regardless of diet, whereas adipose browning markers were also increased in ethanol-fed Tgr5-/- mice, indicating potential for enhanced white adipose metabolism. Lastly, hypothalamic mRNA targets of leptin, involved in the regulation of food intake, were significantly increased in Tgr5-/- mice fed ethanol diet. CONCLUSIONS Tgr5-/- mice are protected from ethanol-induced liver damage and lipid accumulation. Alterations in lipid uptake and Fgf21 signaling, and enhanced metabolic activity of white adipose tissue, may mediate these effects.
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Affiliation(s)
- Sabita Pokhrel
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, Ohio, USA
| | - Matthew Dilts
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, Ohio, USA
| | - Zachary Stahl
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, Ohio, USA
| | - Shannon Boehme
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, Ohio, USA
| | - Gabrielle Frame
- Department of Pharmaceutical Sciences, Northeast Ohio Medical University, Rootstown, Ohio, USA
| | - John Y L Chiang
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, Ohio, USA
| | - Jessica M Ferrell
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, Ohio, USA
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Xie L, Rungratanawanich W, Yang Q, Tong G, Fu E, Lu S, Liu Y, Akbar M, Song BJ, Wang X. Therapeutic strategies of small molecules in the microbiota-gut-brain axis for alcohol use disorder. Drug Discov Today 2023; 28:103552. [PMID: 36907319 PMCID: PMC10298843 DOI: 10.1016/j.drudis.2023.103552] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 03/04/2023] [Accepted: 03/07/2023] [Indexed: 03/13/2023]
Abstract
The microbiota-gut-brain axis (MGBA) is important in maintaining the structure and function of the central nervous system (CNS) and is regulated by the CNS environment and signals from the peripheral tissues. However, the mechanism and function of the MGBA in alcohol use disorder (AUD) are still not completely understood. In this review, we investigate the underlying mechanisms involved in the onset of AUD and/or associated neuronal deficits and create a foundation for better treatment (and prevention) strategies. We summarize recent reports focusing on the alteration of the MGBA in AUD. Importantly, we highlight the properties of small-molecule short-chain fatty acids (SCFAs), neurotransmitters, hormones, and peptides in the MGBA and discusses their usage as therapeutic agents against AUD.
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Affiliation(s)
- Lushuang Xie
- Departments of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610075, China
| | - Wiramon Rungratanawanich
- Section of Molecular Pharmacology and Toxicology, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Rockville, MD 20892, USA
| | - Qiang Yang
- Hubei Provincial Key Lab for Quality and Safety of Traditional Chinese Medicine Health Food, Jing Brand Research Institute, Daye, Hubei 435100, China
| | - Guoqiang Tong
- Hubei Provincial Key Lab for Quality and Safety of Traditional Chinese Medicine Health Food, Jing Brand Research Institute, Daye, Hubei 435100, China
| | - Eric Fu
- Departments of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Shiguang Lu
- Hubei Provincial Key Lab for Quality and Safety of Traditional Chinese Medicine Health Food, Jing Brand Research Institute, Daye, Hubei 435100, China
| | - Yuancai Liu
- Hubei Provincial Key Lab for Quality and Safety of Traditional Chinese Medicine Health Food, Jing Brand Research Institute, Daye, Hubei 435100, China
| | - Mohammed Akbar
- Division of Neuroscience & Behavior, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Rockville, MD 20892, USA
| | - Byoung-Joon Song
- Section of Molecular Pharmacology and Toxicology, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Rockville, MD 20892, USA.
| | - Xin Wang
- Departments of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
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Asero C, Giandalia A, Cacciola I, Morace C, Lorello G, Caspanello AR, Alibrandi A, Squadrito G, Russo GT. High Prevalence of Severe Hepatic Fibrosis in Type 2 Diabetic Outpatients Screened for Non-Alcoholic Fatty Liver Disease. J Clin Med 2023; 12:jcm12082858. [PMID: 37109195 PMCID: PMC10146119 DOI: 10.3390/jcm12082858] [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: 03/08/2023] [Revised: 04/06/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
BACKGROUND Non-alcoholic fatty liver disease (NAFLD) is a highly frequent condition in patients with type 2 diabetes (T2D), but the identification of subjects at higher risk of developing the more severe forms remains elusive in clinical practice. The aim of this study was to evaluate the occurrence and severity of liver fibrosis and its predictive factors in T2D outpatients without a known history of chronic liver disease by using recommended non-invasive methods. METHODS Consecutive T2D outpatients underwent a set of measurements of clinical and laboratory parameters, FIB-4 score (Fibrosis-4 index), and liver stiffness with controlled attenuation-parameter (CAP) performed by transient elastography (FibroScan) after excluding previous causes of liver disease. RESULTS Among the 205 T2D outpatients enrolled in the study (median age: 64 years, diabetes duration: 11 years, HbA1c: 7.4%, and BMI: 29.6 kg/m2), 54% had high ALT and/or AST levels, 15.6% had liver stiffness value > 10.1 kPa (severe fibrosis), 55.1% had CAP values > 290 dB/m (severe steatosis), and FIB-4 score was >2 in 11.2% of subjects (>2.67 in 15 subjects). Moreover, 49 (23.9%) T2D patients had clinically meaningful liver harm, with either a FIB-4 score > 2 and/or FibroScan > 10.1 kPa. At regression analysis, BMI, HbA1c, creatinine, and triglycerides values were independent predictors of liver fibrosis. CONCLUSIONS Liver fibrosis is a frequent finding in T2D outpatients without a known history of liver disease, especially in those with obesity, hypertriglyceridemia, worse glycemic control, and high creatinine levels.
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Affiliation(s)
- Clelia Asero
- Department of Clinical and Experimental Medicine, University of Messina, 98124 Messina, Italy
- Medicine and Hepatology Unit, University Hospital of Messina, 98124 Messina, Italy
| | - Annalisa Giandalia
- Department of Clinical and Experimental Medicine, University of Messina, 98124 Messina, Italy
- Internal Medicine and Diabetology Unit, University Hospital of Messina, 98124 Messina, Italy
| | - Irene Cacciola
- Department of Clinical and Experimental Medicine, University of Messina, 98124 Messina, Italy
- Medicine and Hepatology Unit, University Hospital of Messina, 98124 Messina, Italy
| | - Carmela Morace
- Department of Clinical and Experimental Medicine, University of Messina, 98124 Messina, Italy
| | - Giuseppe Lorello
- Department of Clinical and Experimental Medicine, University of Messina, 98124 Messina, Italy
| | - Amalia Rita Caspanello
- Department of Clinical and Experimental Medicine, University of Messina, 98124 Messina, Italy
- Medicine and Hepatology Unit, University Hospital of Messina, 98124 Messina, Italy
| | - Angela Alibrandi
- Unit of Statistical and Mathematical Sciences, Department of Economics, University of Messina, 98122 Messina, Italy
| | - Giovanni Squadrito
- Department of Clinical and Experimental Medicine, University of Messina, 98124 Messina, Italy
- Internal Medicine Unit, University Hospital of Messina, 98124 Messina, Italy
| | - Giuseppina T Russo
- Department of Clinical and Experimental Medicine, University of Messina, 98124 Messina, Italy
- Internal Medicine and Diabetology Unit, University Hospital of Messina, 98124 Messina, Italy
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Wang W, Xu C, Wang Q, Hussain MA, Wang C, Hou J, Jiang Z. Protective Effect of Polyphenols, Protein, Peptides, and Polysaccharides on Alcoholic Liver Disease: A Review of Research Status and Molecular Mechanisms. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023. [PMID: 37001022 DOI: 10.1021/acs.jafc.2c07081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Alcoholic liver disease (ALD) has emerged as an important public health problem in the world. The polyphenols, protein, peptides, and polysaccharides have attracted attention for prevention or treatment of ALD. Therefore, this paper reviews the pathogenesis of ALD, the relationship between polyphenols, peptides, polysaccharides, and ALD, and expounds the mechanism of gut microbiota on protecting ALD. It is mainly found that the hydroxyl group of polyphenols endows it with antioxidation to protect ALD. The ALD protection of bioactive peptides is related to amino acid composition. The ALD protection of polysaccharides is related to the primary structure. Meanwhile, polyphenols, protein, peptides, and polysaccharides prevent or treat ALD by antioxidation, anti-inflammatory, antiapoptosis, lipid metabolism, and gut microbiota regulation. This contribution provides updated information on polyphenols, protein, peptides, and polysaccharides in response to ALD, which will not only facilitate the development of novel bioactive components but also the future application of functional food raw materials will be promoted.
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Affiliation(s)
- Wan Wang
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Cong Xu
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Qingyun Wang
- Beidahuang Wondersun Dairy Co., Ltd., Harbin 150090, China
| | - Muhammad Altaf Hussain
- Lasbela University of Agriculture, Water and Marine Science Uthal, Balochistan 90150, Pakistan
| | - Changyuan Wang
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Juncai Hou
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Zhanmei Jiang
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China
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Current and emerging therapies for alcohol-associated hepatitis. LIVER RESEARCH 2023. [DOI: 10.1016/j.livres.2023.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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Zhai Z, Yamauchi T, Shangraw S, Hou V, Matsumoto A, Fujita M. Ethanol Metabolism and Melanoma. Cancers (Basel) 2023; 15:1258. [PMID: 36831600 PMCID: PMC9954650 DOI: 10.3390/cancers15041258] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/11/2023] [Accepted: 02/13/2023] [Indexed: 02/18/2023] Open
Abstract
Malignant melanoma is the deadliest form of skin cancer. Despite significant efforts in sun protection education, melanoma incidence is still rising globally, drawing attention to other socioenvironmental risk factors for melanoma. Ethanol and acetaldehyde (AcAH) are ubiquitous in our diets, medicines, alcoholic beverages, and the environment. In the liver, ethanol is primarily oxidized to AcAH, a toxic intermediate capable of inducing tumors by forming adducts with proteins and DNA. Once in the blood, ethanol and AcAH can reach the skin. Although, like the liver, the skin has metabolic mechanisms to detoxify ethanol and AcAH, the risk of ethanol/AcAH-associated skin diseases increases when the metabolic enzymes become dysfunctional in the skin. This review highlights the evidence linking cutaneous ethanol metabolism and melanoma. We summarize various sources of skin ethanol and AcAH and describe how the reduced activity of each alcohol metabolizing enzyme affects the sensitivity threshold to ethanol/AcAH toxicity. Data from the Gene Expression Omnibus database also show that three ethanol metabolizing enzymes (alcohol dehydrogenase 1B, P450 2E1, and catalase) and an AcAH metabolizing enzyme (aldehyde dehydrogenase 2) are significantly reduced in melanoma tissues.
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Affiliation(s)
- Zili Zhai
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Takeshi Yamauchi
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Sarah Shangraw
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Vincent Hou
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Akiko Matsumoto
- Department of Social Medicine, School of Medicine, Saga University, Saga 849-8501, Japan
| | - Mayumi Fujita
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
- Department of Veterans Affairs Medical Center, VA Eastern Colorado Health Care System, Aurora, CO 80045, USA
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Wang J, Lu Y, Zhang C, Tian S, Xiang H, Ding P, Chen J, Ji G, Wu T. Qinggan Huoxue Recipe attenuates Alcoholic Liver Disease by suppressing PI3K/AKT signaling pathway based on network pharmacology. Int J Med Sci 2023; 20:346-358. [PMID: 36860681 PMCID: PMC9969510 DOI: 10.7150/ijms.80329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 01/13/2023] [Indexed: 02/04/2023] Open
Abstract
Qinggan Huoxue Recipe (QGHXR) is originated from Xiao Chaihu Decotion. Many experimental studies have confirmed that QGHXR can significantly alleviate the symptoms of alcoholic liver disease (ALD), but the detailed mechanism is still unclear. Using traditional Chinese medicine network pharmacology analysis system database and animal experiments, we found that 180 potentially chemical compositions and 618 potential targets were screened from the prescription, which shared 133 signal pathways with ALD. Through animal experiments, it was found that QGHXR could reduce the liver total cholesterol (TC), serum TC, alanine aminotransferase, aspartate aminotransferase of ALD mice, reduce the lipid droplets and inflammatory injury of liver tissue. Meanwhile, it can also increase PTEN, decrease PI3K and AKT mRNA levels. In this study, we obtained the targets and pathways of QGHXR in the treatment of ALD, and preliminatively verified that QGHXR may improve ALD through PTEN/PI3K/AKT signaling pathway.
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Affiliation(s)
- Junmin Wang
- Minhang Hospital, Fudan University, Shanghai 201199, China.,Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yifei Lu
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Caiyun Zhang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Shuxia Tian
- Minhang Hospital, Fudan University, Shanghai 201199, China
| | - Hongjiao Xiang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Peilun Ding
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Junming Chen
- Minhang Hospital, Fudan University, Shanghai 201199, China
| | - Guang Ji
- Institute of Digestive Disease, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Tao Wu
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
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Algburi AF, Dursun I, Garip Ustaoglu S. The investigation of the effects of postnatal alcohol exposure on molecular content and antioxidant capacity of mice liver tissue. Life Sci 2022; 310:121102. [DOI: 10.1016/j.lfs.2022.121102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 10/04/2022] [Accepted: 10/14/2022] [Indexed: 11/09/2022]
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Duryee MJ, Aripova N, Hunter CD, Ruskamp RJ, Tessin MR, Works DR, Mikuls TR, Thiele GM. A novel reactive aldehyde species inhibitor prevents the deleterious effects of ethanol in an animal model of alcoholic liver disease. Int Immunopharmacol 2022; 113:109400. [DOI: 10.1016/j.intimp.2022.109400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/27/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022]
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37
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TGF-β Inhibitors for Therapeutic Management of Kidney Fibrosis. Pharmaceuticals (Basel) 2022; 15:ph15121485. [PMID: 36558936 PMCID: PMC9783223 DOI: 10.3390/ph15121485] [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: 10/26/2022] [Revised: 11/22/2022] [Accepted: 11/26/2022] [Indexed: 11/30/2022] Open
Abstract
Kidney fibrosis is a common pathophysiological mechanism of chronic kidney disease (CKD) progression caused by several underlying kidney diseases. Among various contributors to kidney fibrosis, transforming growth factor-β1 (TGF-β1) is the major factor driving fibrosis. TGF-β1 exerts its profibrotic attributes via the activation of canonical and non-canonical signaling pathways, which induce proliferation and activation of myofibroblasts and subsequent accumulation of extracellular matrix. Over the past few decades, studies have determined the TGF-β1 signaling pathway inhibitors and evaluated whether they could ameliorate the progression of CKD by hindering kidney fibrosis. However, therapeutic strategies that block TGF-β1 signaling have usually demonstrated unsatisfactory results. Herein, we discuss the therapeutic concepts of the TGF-β1 signaling pathway and its inhibitors and review the current state of the art regarding regarding TGF-β1 inhibitors in CKD management.
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Role of AMPK-SREBP Signaling in Regulating Fatty Acid Binding-4 (FABP4) Expression following Ethanol Metabolism. BIOLOGY 2022; 11:biology11111613. [PMID: 36358315 PMCID: PMC9687530 DOI: 10.3390/biology11111613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 11/01/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022]
Abstract
Fatty acid binding protein-4 (FABP4) is not normally expressed in the liver but is induced in alcohol-dependent liver disease (ALD)). This study sought to identify mechanisms whereby ethanol (EtOH) metabolism alters triglyceride accumulation and FABP4 production. Human hepatoma cells which were stably transfected to express alcohol dehydrogenase (ADH) or cytochrome P4502E1 (CYP2E1) were exposed to EtOH in the absence/presence of inhibitors of ADH (4-methylpyrazole) or CYP2E1 (chlormethiazole). Cells were analyzed for free fatty acid (FFA) content and FABP4 mRNA, then culture medium assayed for FABP4 levels. Cell lysates were analyzed for AMP-activated protein kinase-α (AMPKα), Acetyl-CoA carboxylase (ACC), sterol regulatory element binding protein-1c (SREBP-1c), and Lipin-1β activity and localization in the absence/presence of EtOH and pharmacological inhibitors. CYP2E1-EtOH metabolism led to increased FABP4 mRNA/protein expression and FFA accumulation. Analysis of signaling pathway activity revealed decreased AMPKα activation and increased nuclear-SREBP-1c localization following CYP2E1-EtOH metabolism. The role of AMPKα-SREBP-1c in regulating CYP2E1-EtOH-dependent FFA accumulation and increased FABP4 was confirmed using pharmacological inhibitors and over-expression of AMPKα. Inhibition of ACC or Lipin-1β failed to prevent FFA accumulation or changes in FABP4 mRNA expression or protein secretion. These data suggest that CYP2E1-EtOH metabolism inhibits AMPKα phosphorylation to stimulate FFA accumulation and FABP4 protein secretion via an SREBP-1c dependent mechanism.
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Biswas S, Yadav N, Juneja P, Mourya AK, Kaur S, Tripathi DM, Chauhan VS. Conformationally Restricted Dipeptide-Based Nanoparticles for Delivery of siRNA in Experimental Liver Cirrhosis. ACS OMEGA 2022; 7:36811-36824. [PMID: 36278038 PMCID: PMC9583317 DOI: 10.1021/acsomega.2c05292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 09/19/2022] [Indexed: 06/16/2023]
Abstract
Liver cirrhosis is a major health problem with multiple associated complications. The presently available drug delivery systems showed moderate site-specific delivery of antifibrotic molecules to the diseased liver; therefore, research on more effective and selective delivery systems in the context of liver cirrhosis remains a necessity in clinical investigation. The aim of the present study was to develop a peptide-based targeted nanocarrier to deliver an oligonucleotide to the hepatic sinusoidal and perivascular regions of the cirrhotic liver. We have synthesized and characterized a conformationally restricted targeted pentapeptide (RΔFRGD), which contains an unnatural amino acid, α,β-dehydrophenylalanine (ΔF). The RΔFRGD self-assembled into spherical nanoparticles (NPs) and was characterized by dynamic light scattering (DLS) and transmission electron microscopy (TEM). Next, we investigated the delivery potential of the pentapeptide-based NPs to make a stable complex with a well-established small interference RNA and studied its site-specific delivery in experimental liver cirrhosis. We used siNR4A1 of the orphan nuclear receptor 4A1 (NR4A1), a well-known regulatory checkpoint for controlling liver fibrosis. Peptide NPs and their complex with siNR4A1 showed high biocompatibility against various mammalian cell lines. Hepatic tissue biodistribution analysis illustrated that targeted NPs predominantly accumulated in the cirrhotic liver compared to normal rats, specifically in sinusoidal and perivascular areas. A significant downregulation of the NR4A1 mRNA expression (-70%) andlower levels of the NR4A1/GAPDH ratio (-55%) were observed in the RΔFRGD-siNR4A1 nanocomplex-treated group in comparison to the RΔFRGD-vehicle group (RΔFRGD-Veh) at the gene and protein levels, respectively. In addition, in vivo inhibition of NR4A1 produced a significant aggravation in hepatic fibrosis compared with siRNA-vehicle-treated rats (+41% in the MT stain). The novel pentapeptide-based targeted delivery system can be further evaluated and validated for therapeutic purposes in various pathological conditions.
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Affiliation(s)
- Saikat Biswas
- International
Centre for Genetic Engineering and Biotechnology, New Delhi, Delhi 110067, India
| | - Nitin Yadav
- International
Centre for Genetic Engineering and Biotechnology, New Delhi, Delhi 110067, India
| | - Pinky Juneja
- Institute
of Liver and Biliary Sciences, New Delhi, Delhi 110070, India
| | | | - Savneet Kaur
- Institute
of Liver and Biliary Sciences, New Delhi, Delhi 110070, India
| | | | - Virander Singh Chauhan
- International
Centre for Genetic Engineering and Biotechnology, New Delhi, Delhi 110067, India
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Yamauchi T, Shangraw S, Zhai Z, Ravindran Menon D, Batta N, Dellavalle RP, Fujita M. Alcohol as a Non-UV Social-Environmental Risk Factor for Melanoma. Cancers (Basel) 2022; 14:5010. [PMID: 36291794 PMCID: PMC9599745 DOI: 10.3390/cancers14205010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/06/2022] [Accepted: 10/07/2022] [Indexed: 12/24/2022] Open
Abstract
Although cancer mortality has declined among the general population, the incidence of melanoma continues to rise. While identifying high-risk cohorts with genetic risk factors improves public health initiatives and clinical care management, recognizing modifiable risk factors such as social-environmental risk factors would also affect the methods of patient outreach and education. One major modifiable social-environmental risk factor associated with melanoma is ultraviolet (UV) radiation. However, not all forms of melanoma are correlated with sun exposure or occur in sun-exposed areas. Additionally, UV exposure is rarely associated with tumor progression. Another social-environmental factor, pregnancy, does not explain the sharply increased incidence of melanoma. Recent studies have demonstrated that alcohol consumption is positively linked with an increased risk of cancers, including melanoma. This perspective review paper summarizes epidemiological data correlating melanoma incidence with alcohol consumption, describes the biochemical mechanisms of ethanol metabolism, and discusses how ethanol and ethanol metabolites contribute to human cancer, including melanoma.
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Affiliation(s)
- Takeshi Yamauchi
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Sarah Shangraw
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Zili Zhai
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Dinoop Ravindran Menon
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Nisha Batta
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Robert P Dellavalle
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
- Department of Veterans Affairs Medical Center, VA Eastern Colorado Health Care System, Aurora, CO 80045, USA
- Department of Epidemiology, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Mayumi Fujita
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
- Department of Veterans Affairs Medical Center, VA Eastern Colorado Health Care System, Aurora, CO 80045, USA
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
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Galacto-Oligosaccharide Alleviates Alcohol-Induced Liver Injury by Inhibiting Oxidative Stress and Inflammation. Metabolites 2022; 12:metabo12090867. [PMID: 36144271 PMCID: PMC9506531 DOI: 10.3390/metabo12090867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 09/09/2022] [Accepted: 09/10/2022] [Indexed: 11/16/2022] Open
Abstract
Alcoholic liver disease (ALD) is a primary cause of mortality and morbidity worldwide. Oxidative stress and inflammation are important pathogenic factors contributing to ALD. We investigated the protective mechanism of galacto-oligosaccharide (GOS) against ALD through their antioxidant and anti-inflammatory activities by performing in vivo and in vitro experiments. Western blot and RT‒PCR results indicated that the expression of cytochrome P450 protein 2E1 (CYP2E1) in liver tissues and L02 cells was reduced in the GOS-treated mice compared with the model group. In addition, GOS prominently reduced the expression of Kelch-like ECH-associated protein 1 (Keap1), increased the expression of the nuclear factor erythroid-2-related factor 2 (Nrf2) and haem oxygenase-1 (HO-1) proteins, and enhanced the antioxidant capacity. In addition, GOS decreased inflammation by reducing inflammatory factor levels and inhibiting the mitogen-activated protein kinase (MAPK)/nuclear factor kappa B (NF-κB) pathway. Based on these results, GOS may be a prospective functional food for the prevention and treatment of ALD.
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Ayares G, Idalsoaga F, Díaz LA, Arnold J, Arab JP. Current Medical Treatment for Alcohol-Associated Liver Disease. J Clin Exp Hepatol 2022; 12:1333-1348. [PMID: 36157148 PMCID: PMC9499849 DOI: 10.1016/j.jceh.2022.02.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 02/06/2022] [Indexed: 12/12/2022] Open
Abstract
Alcohol-associated liver disease is one of the main causes of chronic liver disease. It comprises a clinical-histologic spectrum of presentations, from steatosis, steatohepatitis, to different degrees of fibrosis, including cirrhosis and severe necroinflammatory disease, called alcohol-associated hepatitis. In this focused update, we aim to present specific therapeutic interventions and strategies for the management of alcohol-associated liver disease. Current evidence for management in all spectra of manifestations is derived from general chronic liver disease recommendations, but with a higher emphasis on abstinence and nutritional support. Abstinence should comprise the treatment of alcohol use disorder as well as withdrawal syndrome. Nutritional assessment should also consider the presence of sarcopenia and its clinical manifestation, frailty. The degree of compensation of the disease should be evaluated, and complications, actively sought. The most severe acute form of this disease is alcohol-associated hepatitis, which has high mortality and morbidity. Current treatment is based on corticosteroids that act by reducing immune activation and blocking cytotoxicity and inflammation pathways. Other aspects of treatment include preventing and treating hepatorenal syndrome as well as preventing infections although there is no clear evidence as to the benefit of probiotics and antibiotics in prophylaxis. Novel therapies for alcohol-associated hepatitis include metadoxine, interleukin-22 analogs, and interleukin-1-beta antagonists. Finally, granulocyte colony-stimulating factor, microbiota transplantation, and gut-liver axis modulation have shown promising results. We also discuss palliative care in advanced alcohol-associated liver disease.
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Key Words
- AC, Amoxicillin/clavulanate
- ACLF, Acute-on-Chronic Liver Failure
- ADLs, Activities of Daily Living
- AH, Alcohol-Associated Hepatitis
- AKI-HRS, Acute Kidney Injury - Hepatorenal Syndrome
- ALD
- ALD, Alcohol-Associated Liver Disease
- ASH, Alcoholic Steatohepatitis
- AUD, Alcohol Use Disorder
- AWS, Alcohol Withdrawal Syndrome
- BCAAs, Branched-Chain Amino Acids
- CDC, Center for Disease Control
- CI, Confidence Interval
- COVID-19, Coronavirus Disease 2019
- CT, Computerized Tomography
- GABA, gamma-aminobutyric acid agonist
- HBV, Hepatitis B Virus
- HCC, Hepatocellular Carcinoma
- HCV, Hepatitis C Virus
- HE, Hepatic Encephalopathy
- HIV, Human Immunodeficiency Virus
- HR, Hazard Ratio
- IBW, Ideal Body Weight
- ICA, International Club of Ascites
- IL-1β, Interleukin-1β
- IL-22, Interleukin-22
- KPS, Karnofsky Performance Status
- LB, Liver Biopsy
- LPS, Lipopolysaccharide
- LSM, Liver Stiffness Measurement
- LT, Liver Transplantation
- MDF, Maddrey’s Discriminant Function
- MELD, Model of End-Stage Liver Disease
- MRI, Magnetic Resonance Imaging
- MUST, Malnutrition Universal Screening Tool
- NIAAA, National Institute on Alcohol Abuse and Alcoholism
- NRS-2002, Nutritional Risk Screening-2002
- OR, Odds Ratio
- PAMPs, Pathogen-Activated Molecular Patterns
- PMI, Psoas Muscle Index
- PTX, Pentoxifylline
- RAI, Relative Adrenal Insufficiency
- RCT, Randomized Clinical Trials
- RFH-NPT, Royal Free Hospital-Nutritional Prioritizing Tool
- ROS, Reactive Oxygen Species
- RR, Relative Risk
- SIRS, Systemic Inflammatory Response Syndrome
- TNF, Tumor Necrosis Factor
- WKS, Wernicke-Korsakoff Syndrome
- alcohol
- alcohol use disorders
- alcohol-associated hepatitis
- cirrhosis
- fatty liver disease
- steatosis
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Affiliation(s)
- Gustavo Ayares
- Departamento de Gastroenterología, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Francisco Idalsoaga
- Departamento de Gastroenterología, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Luis A. Díaz
- Departamento de Gastroenterología, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Jorge Arnold
- Departamento de Gastroenterología, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Juan P. Arab
- Departamento de Gastroenterología, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
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Joshi AD, Thinakaran G, Elferink C. Cinnabarinic Acid-Induced Stanniocalcin 2 Confers Cytoprotection against Alcohol-Induced Liver Injury. J Pharmacol Exp Ther 2022; 381:1-11. [PMID: 35078862 PMCID: PMC8998678 DOI: 10.1124/jpet.121.000999] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 01/14/2022] [Indexed: 11/22/2022] Open
Abstract
We recently identified upregulation of a novel aryl hydrocarbon receptor (AhR) target gene, stanniocalcin 2 (STC2), by an endogenous AhR agonist, cinnabarinic acid (CA). STC2 is a disulfide-linked homodimeric secreted glycoprotein that plays a role in various physiologic processes, including cell metabolism, inflammation, endoplasmic reticulum (ER) and oxidative stress, calcium regulation, cell proliferation, and apoptosis. Our previous studies have confirmed that CA-induced AhR-dependent STC2 expression was able to confer cytoprotection both in vitro and in vivo in response to injury induced by variety of ER/oxidative insults. Here, we used mouse models of chronic and acute ethanol feeding and demonstrated that upregulation of STC2 by CA was critical for cytoprotection. In STC2 knockout mice (STC2-/-), CA failed to protect against both acute as well as chronic-plus-binge ethanol-induced liver injury, whereas re-expression of STC2 in the liver using in vivo gene delivery restored cytoprotection against injury based on measures of apoptosis and serum levels of liver enzymes, underlining STC2's indispensable function in cell survival. In conclusion, the identification of STC2 as an AhR target gene receptive to CA-mediated endogenous AhR signaling and STC2's role in providing cytoprotection against liver injury represents a key finding with potentially significant therapeutic implications. SIGNIFICANCE STATEMENT: We recently identified stanniocalcin 2 (STC2) as a novel aryl hydrocarbon receptor (AhR) target gene regulated by endogenous AhR agonist and tryptophan metabolite, cinnabarinic acid (CA). Here, we showed that CA-induced STC2 expression conferred cytoprotection against apoptosis, steatosis, and liver injury in chronic as well as acute models of ethanol feeding. Therefore, this study will prove instrumental in developing CA as a promising lead compound for future drug development against hepatic diseases.
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Affiliation(s)
- Aditya D Joshi
- Department of Pharmaceutical Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma (A.D.J.); Byrd Alzheimer's Center and Research Institute and Department of Molecular Medicine, University of South Florida, Tampa, Florida (G.T.); and Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, Texas (C.E.)
| | - Gopal Thinakaran
- Department of Pharmaceutical Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma (A.D.J.); Byrd Alzheimer's Center and Research Institute and Department of Molecular Medicine, University of South Florida, Tampa, Florida (G.T.); and Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, Texas (C.E.)
| | - Cornelis Elferink
- Department of Pharmaceutical Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma (A.D.J.); Byrd Alzheimer's Center and Research Institute and Department of Molecular Medicine, University of South Florida, Tampa, Florida (G.T.); and Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, Texas (C.E.)
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Fiore M, Petrella C, Coriale G, Rosso P, Fico E, Ralli M, Greco A, De Vincentiis M, Minni A, Polimeni A, Vitali M, Messina MP, Ferraguti G, Tarani F, de Persis S, Ceccanti M, Tarani L. Markers of Neuroinflammation in the Serum of Prepubertal Children with Fetal Alcohol Spectrum Disorders. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2022; 21:854-868. [PMID: 34852752 DOI: 10.2174/1871527320666211201154839] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/27/2021] [Accepted: 10/11/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Fetal Alcohol Spectrum Disorders (FASD) are the manifestation of the damage caused by alcohol consumption during pregnancy. Children with Fetal Alcohol Syndrome (FAS), the extreme FASD manifestation, show both facial dysmorphology and mental retardation. Alcohol consumed during gestational age prejudices brain development by reducing, among others, the synthesis and release of neurotrophic factors and neuroinflammatory markers. Alcohol drinking also induces oxidative stress. HYPOTHESIS/OBJECTIVE The present study aimed to investigate the potential association between neurotrophins, neuroinflammation, and oxidative stress in 12 prepubertal male and female FASD children diagnosed as FAS or partial FAS (pFAS). METHODS Accordingly, we analyzed, in the serum, the level of BDNF and NGF and the oxidative stress, as Free Oxygen Radicals Test (FORT) and Free Oxygen Radicals Defense (FORD). Moreover, serum levels of inflammatory mediators (IL-1α, IL-2, IL-6, IL-10, IL-12, MCP-1, TGF-β, and TNF-α) involved in neuroinflammatory and oxidative processes have been investigated. RESULTS We demonstrated low serum levels of NGF and BDNF in pre-pubertal FASD children with respect to healthy controls. These changes were associated with higher serum presence of TNF- α and IL-1α. Quite interestingly, an elevation in the FORD was also found despite normal FORT levels. Moreover, we found a potentiation of IL-1α, IL-2, IL-10, and IL-1α1 in the analyzed female compared to male children. CONCLUSION The present investigation shows an imbalance in the peripheral neuroimmune pathways that could be used in children as early biomarkers of the deficits observed in FASD.
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Affiliation(s)
- Marco Fiore
- Institute of Biochemistry and Cell Biology, IBBC-CNR, Rome, Italy
| | - Carla Petrella
- Institute of Biochemistry and Cell Biology, IBBC-CNR, Rome, Italy
| | - Giovanna Coriale
- Centro Riferimento Alcologico Regione Lazio, ASL Roma 1, Rome, Italy
| | - Pamela Rosso
- Institute of Biochemistry and Cell Biology, IBBC-CNR, Rome, Italy
| | - Elena Fico
- Institute of Biochemistry and Cell Biology, IBBC-CNR, Rome, Italy
| | - Massimo Ralli
- Department of Sense Organs, Sapienza University of Rome, Italy
| | - Antonio Greco
- Department of Sense Organs, Sapienza University of Rome, Italy
| | | | - Antonio Minni
- Department of Sense Organs, Sapienza University of Rome, Italy
| | - Antonella Polimeni
- Department of Odontostomatological and Maxillofacial Sciences, Sapienza University of Rome, Italy
| | | | | | | | - Francesca Tarani
- Department of Pediatrics, Sapienza University Hospital of Rome, Italy
| | | | - Mauro Ceccanti
- SITAC, Societa' Italiana per il Trattamento dell'Alcolismo, Roma Italy SIFASD, Società Italiana Sindrome Feto-Alcolica, Roma, Italy
| | - Luigi Tarani
- Department of Pediatrics, Sapienza University Hospital of Rome, Italy
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Kulkarni A, Nadler JL, Mirmira RG, Casimiro I. Regulation of Tissue Inflammation by 12-Lipoxygenases. Biomolecules 2021; 11:717. [PMID: 34064822 PMCID: PMC8150372 DOI: 10.3390/biom11050717] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/03/2021] [Accepted: 05/07/2021] [Indexed: 02/07/2023] Open
Abstract
Lipoxygenases (LOXs) are lipid metabolizing enzymes that catalyze the di-oxygenation of polyunsaturated fatty acids to generate active eicosanoid products. 12-lipoxygenases (12-LOXs) primarily oxygenate the 12th carbon of its substrates. Many studies have demonstrated that 12-LOXs and their eicosanoid metabolite 12-hydroxyeicosatetraenoate (12-HETE), have significant pathological implications in inflammatory diseases. Increased level of 12-LOX activity promotes stress (both oxidative and endoplasmic reticulum)-mediated inflammation, leading to damage in these tissues. 12-LOXs are also associated with enhanced cellular migration of immune cells-a characteristic of several metabolic and autoimmune disorders. Genetic depletion or pharmacological inhibition of the enzyme in animal models of various diseases has shown to be protective against disease development and/or progression in animal models in the setting of diabetes, pulmonary, cardiovascular, and metabolic disease, suggesting a translational potential of targeting the enzyme for the treatment of several disorders. In this article, we review the role of 12-LOXs in the pathogenesis of several diseases in which chronic inflammation plays an underlying role.
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Affiliation(s)
- Abhishek Kulkarni
- Department of Medicine, The University of Chicago, Chicago, IL 60637, USA;
| | - Jerry L. Nadler
- Department of Medicine and Pharmacology, New York Medical College, Valhalla, NY 10595, USA;
| | | | - Isabel Casimiro
- Department of Medicine, The University of Chicago, Chicago, IL 60637, USA;
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