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Saleh RO, Alkhafaji AT, Mohammed JS, Bansal P, Kaur H, Ahmad I, Hjazi A, Mohammed IH, Jawad MA, Zwamel AH. LncRNA NEAT1 in the pathogenesis of liver-related diseases. Cell Biochem Funct 2024; 42:e4006. [PMID: 38622913 DOI: 10.1002/cbf.4006] [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: 02/24/2024] [Revised: 03/20/2024] [Accepted: 03/27/2024] [Indexed: 04/17/2024]
Abstract
Nuclear paraspeckle assembly transcript 1 (NEAT1) is a long noncoding RNA (lncRNA) that is widely expressed in a variety of mammalian cell types. Altered expression levels of the lncRNA NEAT1 have been reported in liver-related disorders including cancer, fatty liver disease, liver fibrosis, viral hepatitis, and hepatic ischemia. lncRNA NEAT1 mostly acts as a competing endogenous RNA (ceRNA) to sponge various miRNAs (miRs) to regulate different functions. In regard to hepatic cancers, the elevated expression of NEAT1 has been reported to have a relation with the proliferation, migration, angiogenesis, apoptosis, as well as epithelial-mesenchymal transition (EMT) of cancer cells. Furthermore, NEAT1 upregulation has contributed to the pathogenesis of other liver diseases such as fibrosis. In this review, we summarize and discuss the molecular mechanisms by which NEAT1 contributes to liver-related disorders including acute liver failure, nonalcoholic fatty liver disease (NAFLD), liver fibrosis, and liver carcinoma, providing novel insights and introducing NEAT1 as a potential therapeutic target in these diseases.
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Affiliation(s)
- Raed Obaid Saleh
- Department of Medical Laboratory Techniques, Al-Maarif University College, Al-Anbar, Iraq
| | | | | | - Pooja Bansal
- Department of Biotechnology and Genetics, Jain (Deemed-to-be) University, Bengaluru, Karnataka, India
- Department of Allied Healthcare and Sciences, Vivekananda Global University, Jaipur, Rajasthan, India
| | - Harpreet Kaur
- School of Basic & Applied Sciences, Shobhit University, Gangoh, Uttar Pradesh, India
- Department of Health & Allied Sciences, Arka Jain University, Jamshedpur, Jharkhand, India
| | - Irfan Ahmad
- Department of Clinical Laboratory Sciences, College of Applied Medical Science, King Khalid University, Abha, Saudi Arabia
| | - Ahmed Hjazi
- Department of Medical Laboratory, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | | | - Mohammed Abed Jawad
- Department of Medical Laboratories Technology, Al-Nisour University College, Baghdad, Iraq
| | - Ahmed Hussein Zwamel
- Medical laboratory technique college, the Islamic University, Najaf, Iraq
- Medical laboratory technique college, the Islamic University of Al Diwaniyah, Al Diwaniyah, Iraq
- Medical laboratory technique college, the Islamic University of Babylon, Babylon, Iraq
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Liu Y, Zhao Y, Liu Q, Li B, Daniel PV, Chen B, Wu Z. Effects of apolipoprotein H downregulation on lipid metabolism, fatty liver disease, and gut microbiota dysbiosis. J Lipid Res 2024; 65:100483. [PMID: 38101620 PMCID: PMC10818206 DOI: 10.1016/j.jlr.2023.100483] [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: 10/03/2023] [Revised: 11/27/2023] [Accepted: 12/04/2023] [Indexed: 12/17/2023] Open
Abstract
Apolipoprotein H (APOH) downregulation can cause hepatic steatosis and gut microbiota dysbiosis. However, the mechanism by which APOH-regulated lipid metabolism contributes to metabolic dysfunction-associated steatotic liver disease (MASLD) remains undetermined. Herein, we aim to explore the regulatory effect of APOH, mediated through various pathways, on metabolic homeostasis and MASLD pathogenesis. We analyzed serum marker levels, liver histopathology, and cholesterol metabolism-related gene expression in global ApoH-/- C57BL/6 male mice. We used RNA sequencing and metabolomic techniques to investigate the association between liver metabolism and bacterial composition. Fifty-two differentially expressed genes were identified between ApoH-/- and WT mice. The mRNA levels of de novo lipogenesis genes were highly upregulated in ApoH-/- mice than in WT mice. Fatty acid, glycerophospholipid, sterol lipid, and triglyceride levels were elevated, while hyodeoxycholic acid levels were significantly reduced in the liver tissues of ApoH-/- mice than in those of WT mice. Microbial beta diversity was lower in ApoH-/- mice than in WT mice, and gut microbiota metabolic functions were activated in ApoH-/- mice. Moreover, ApoH transcripts were downregulated in patients with MASLD, and APOH-related differential genes were enriched in lipid metabolism. Open-source transcript-level data from human metabolic dysfunction-associated steatohepatitis livers reinforced a significant association between metabolic dysfunction-associated steatohepatitis and APOH downregulation. In conclusion, our studies demonstrated that APOH downregulation aggravates fatty liver and induces gut microbiota dysbiosis by dysregulating bile acids. Our findings offer a novel perspective on APOH-mediated lipid metabolic dysbiosis and provide a valuable framework for deciphering the role of APOH in fatty liver disease.
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Affiliation(s)
- Yaming Liu
- Department of Gastroenterology and Hepatology, Xiamen University Zhongshan Hospital, Xiamen, FJ, China; Department of Digestive Diseases, School of Medicine, Xiamen University, Xiamen, FJ, China.
| | - Yiqun Zhao
- Department of Gastroenterology and Hepatology, Xiamen University Zhongshan Hospital, Xiamen, FJ, China; Department of Digestive Diseases, School of Medicine, Xiamen University, Xiamen, FJ, China
| | - Qiusong Liu
- Department of Tumor and Vascular Interventional Radiology, Xiamen University Zhongshan Hospital, Xiamen, FJ, China
| | - Binbin Li
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - P Vineeth Daniel
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Binbin Chen
- Department of Digestive Diseases, School of Medicine, Xiamen University, Xiamen, FJ, China
| | - Zeyi Wu
- Department of Computer Science and Engineering, University of California, San Diego, CA, USA
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Ali-Berrada S, Guitton J, Tan-Chen S, Gyulkhandanyan A, Hajduch E, Le Stunff H. Circulating Sphingolipids and Glucose Homeostasis: An Update. Int J Mol Sci 2023; 24:12720. [PMID: 37628901 PMCID: PMC10454113 DOI: 10.3390/ijms241612720] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/07/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
Sphingolipids are a family of lipid molecules produced through different pathways in mammals. Sphingolipids are structural components of membranes, but in response to obesity, they are implicated in the regulation of various cellular processes, including inflammation, apoptosis, cell proliferation, autophagy, and insulin resistance which favors dysregulation of glucose metabolism. Of all sphingolipids, two species, ceramides and sphingosine-1-phosphate (S1P), are also found abundantly secreted into the bloodstream and associated with lipoproteins or extracellular vesicles. Plasma concentrations of these sphingolipids can be altered upon metabolic disorders and could serve as predictive biomarkers of these diseases. Recent important advances suggest that circulating sphingolipids not only serve as biomarkers but could also serve as mediators in the dysregulation of glucose homeostasis. In this review, advances of molecular mechanisms involved in the regulation of ceramides and S1P association to lipoproteins or extracellular vesicles and how they could alter glucose metabolism are discussed.
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Affiliation(s)
- Sarah Ali-Berrada
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, F-75006 Paris, France; (S.A.-B.); (S.T.-C.); (A.G.)
- Institut Hospitalo-Universitaire ICAN, 75013 Paris, France
| | - Jeanne Guitton
- Institut des Neurosciences Paris-Saclay, Université Paris-Saclay, CNRS UMR 9197, 91400 Saclay, France;
| | - Sophie Tan-Chen
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, F-75006 Paris, France; (S.A.-B.); (S.T.-C.); (A.G.)
- Institut Hospitalo-Universitaire ICAN, 75013 Paris, France
| | - Anna Gyulkhandanyan
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, F-75006 Paris, France; (S.A.-B.); (S.T.-C.); (A.G.)
- Institut Hospitalo-Universitaire ICAN, 75013 Paris, France
| | - Eric Hajduch
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, F-75006 Paris, France; (S.A.-B.); (S.T.-C.); (A.G.)
- Institut Hospitalo-Universitaire ICAN, 75013 Paris, France
| | - Hervé Le Stunff
- Institut des Neurosciences Paris-Saclay, Université Paris-Saclay, CNRS UMR 9197, 91400 Saclay, France;
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Shao H, Feng J, Zhang H, Zhang Y, Qin T, Hu Y, Zhang W, Wang T, Wu S, Yang Q. Identification and Determination of Impurities in a New Therapeutic Agent for Fatty Liver Disease. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2023; 2023:3116223. [PMID: 37575214 PMCID: PMC10421711 DOI: 10.1155/2023/3116223] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 06/27/2023] [Accepted: 07/22/2023] [Indexed: 08/15/2023]
Abstract
Methyl 7,7'-dimethoxy-5'-(morpholinomethyl)-[4,4'-bibenzo[d][1,3] dioxole]-5-carboxylate methanesulfonate (IMM) is an innovative drug for the treatment of nonalcoholic fatty liver disease (NAFLD) owing to its high efficacy and low toxicity. In this study, five minor impurities (I, II, III, IV, and V) were identified and analyzed using spectroscopic evidence, chemical synthetic methods, and liquid chromatography-tandem mass spectrometry (LC-MS/MS). The impurities included hydrolysates and oxidation by-products extracted from both the drug in its final formulation and during synthesis. Toxicity prediction revealed potential carcinogenicity of impurity V containing an N-oxygen fragment. A reliable and selective HPLC method for the quantitative analysis of impurities I-IV and a sensitive HPLC-MS/MS method for potential genotoxic impurity V were developed and optimized. The methods were validated based on the International Council for Harmonization guidelines. Satisfactory linearity was obtained for the analytes over the range of 0.1-2.0 μg/mL for impurities I-IV and 0.3-30.0 ng/mL for impurity V, and in all cases, the fitting correlation coefficients exceeded 0.999. The obtained limits of detection values were 0.05 ng/mL and 0.005 μg/mL for impurity V and impurities I-IV, respectively. The precision and repeatability of the methods were less than 1.08% and 8.72% for each impurity. The recovery percentages of all impurities were in the range of 91.18%-111.27%, with the relative standard deviation of less than 3.69%. The greenness assessment of the HPLC method and the HPLC-MS/MS method were evaluated by using AGREE software with a score value of 0.72 and 0.68, respectively. The recommended procedures that were accurate, specific, and ecofriendly were applied to the existing active pharmaceutical ingredients of IMM, and they generated satisfactory results.
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Affiliation(s)
- Huihui Shao
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jing Feng
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Hanyilan Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yuanyuan Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Tong Qin
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yuhua Hu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Wenxuan Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Tiesong Wang
- NMPA Key Laboratory for Research and Evaluation of Generic Drugs, Beijing Institute for Drug Control, Beijing 102206, China
| | - Song Wu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Qingyun Yang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
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Omran M, Omr M, Mohamed AA, Abdelghafour RA, Muharram NM, Hassan MB, Fangry A, Emran T, Arab JP, Arnold J, Diaz LA, Zheng MH, El-Kassas M. Development and validation of nonalcoholic fatty liver disease test: a simple sensitive and specific marker for early diagnosis of nonalcoholic fatty liver disease. Eur J Gastroenterol Hepatol 2023; 35:874-880. [PMID: 37395240 DOI: 10.1097/meg.0000000000002575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
AIM This study aimed to develop a noninvasive test for identifying patients with nonalcoholic fatty liver disease (NAFLD) based on clinical and routine laboratory data. METHODS The developed model 'NAFLD test' was compared to the most commonly used NAFLD scores and then validated in three groups of NAFLD patients from five centers in Egypt, China, and Chile. Patients were divided into the discovery cohort (n = 212) and the validation study (n = 859). The ROC curve and stepwise multivariate discriminant analysis were used to develop and validate the NAFLD test and evaluate its diagnostic performance, which was then compared to other NAFLD scores. RESULTS Elevated C-reactive protein (CRP), cholesterol, BMI, and alanine aminotransferase (ALT) levels were significantly associated with NAFLD (P < 0.0001). NAFLD test is depicted as (-0.695 + 0.031 × BMI + 0.003 × cholesterol + 0.014 × ALT + 0.025 × CRP) to discriminate patients with NAFLD from healthy individuals. The area under the ROC curve (AUC) of the NAFLD test was 0.92 [95% confidence interval (CI): 0.88-0.96]. The NAFLD test was the most accurate diagnostic indicator of NAFLD when compared to widely used NAFLD indices. Upon validating the NAFLD test, its AUC (95% CI) for distinguishing patients with NAFLD from healthy individuals was 0.95 (0.94-0.97), 0.90 (0.87-0.93), and 0.94 (0.91-0.97) in Egyptian, Chinese, and Chilean patients with NAFLD respectively. CONCLUSION The NAFLD test is a new validated diagnostic biomarker that can be utilized for the early diagnosis of NAFLD with high diagnostic performance.
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Affiliation(s)
- Mohamed Omran
- Chemistry Department, Faculty of Science, Helwan University, Cairo
| | - Mona Omr
- Chemistry Department, Faculty of Science, Damietta University, Damietta
| | - Amal A Mohamed
- Biochemistry Department, National Hepatology Tropical Medicine Research Institute, Cairo
| | | | - Nashwa M Muharram
- Medical Biochemistry and Molecular Biology, Faculty of Medicine, Menoufia University, Shebin ElKom
| | - Mohamed B Hassan
- Internal Medicine Department, Faculty of Medicine, Cairo University, Cairo
| | | | - Tarek Emran
- Clinical Pathology Department, Faculty of Medicine, Al-Azhar University, Damietta, Egypt
| | - Juan P Arab
- Departamento de Gastroenterología, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
- Division of Gastroenterology, Department of Medicine, Schulich School of Medicine, Western University & London Health Sciences Centre, London, Ontario, Canada
| | - Jorge Arnold
- Departamento de Gastroenterología, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Luis Antonio Diaz
- Departamento de Gastroenterología, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Ming-Hua Zheng
- Division of Gastroenterology, Department of Medicine, Schulich School of Medicine, Western University & London Health Sciences Centre, London, Ontario, Canada
- Key Laboratory of Diagnosis and Treatment for the Development of Chronic Liver Disease in Zhejiang Province, Wenzhou, China
| | - Mohamed El-Kassas
- Endemic Medicine Department, Faculty of Medicine, Helwan University, Cairo
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Castera L, Cusi K. Diabetes and cirrhosis: Current concepts on diagnosis and management. Hepatology 2023; 77:2128-2146. [PMID: 36631005 DOI: 10.1097/hep.0000000000000263] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 10/03/2022] [Indexed: 01/13/2023]
Abstract
Type 2 diabetes mellitus is often associated with cirrhosis as comorbidities, acute illness, medications, and other conditions profoundly alter glucose metabolism. Both conditions are closely related in NAFLD, the leading cause of chronic liver disease, and given its rising burden worldwide, management of type 2 diabetes mellitus in cirrhosis will be an increasingly common dilemma. Having diabetes increases cirrhosis-related complications, including HCC as well as overall mortality. In the absence of effective treatments for cirrhosis, patients with type 2 diabetes mellitus should be systematically screened as early as possible for NAFLD-related fibrosis/cirrhosis using noninvasive tools, starting with a FIB-4 index followed by transient elastography, if available. In people with cirrhosis, an early diagnosis of diabetes is critical for an optimal management strategy (ie, nutritional goals, and glycemic targets). Diagnosis of diabetes may be missed if based on A1C in patients with cirrhosis and impaired liver function (Child-Pugh B-C) as anemia may turn the test unreliable. Clinicians must also become aware of their high risk of hypoglycemia, especially in decompensated cirrhosis where insulin is the only therapy. Care should be within multidisciplinary teams (nutritionists, obesity management teams, endocrinologists, hepatologists, and others) and take advantage of novel glucose-monitoring devices. Clinicians should become familiar with the safety and efficacy of diabetes medications for patients with advanced fibrosis and compensated cirrhosis. Management is conditioned by whether the patient has either compensated or decompensated cirrhosis. This review gives an update on the complex relationship between cirrhosis and type 2 diabetes mellitus, with a focus on its diagnosis and treatment, and highlights knowledge gaps and future directions.
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Affiliation(s)
- Laurent Castera
- Departement of Hepatology, Hospital Beaujon, Assistance Publique-Hôpitaux de Paris, INSERM UMR 1149, Université Paris Cité, Clichy, France
| | - Kenneth Cusi
- Division of Endocrinology, Diabetes and Metabolism, The University of Florida, Gainesville, Florida, USA
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