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Zyśk B, Ostrowska L, Smarkusz-Zarzecka J, Orywal K, Mroczko B, Cwalina U. Evaluation of the Diagnostic Utility of Selected Serum Adipokines and Cytokines in Subjects with MASLD-A Pilot Study. Nutrients 2024; 16:1381. [PMID: 38732626 PMCID: PMC11085733 DOI: 10.3390/nu16091381] [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: 02/23/2024] [Revised: 04/28/2024] [Accepted: 04/29/2024] [Indexed: 05/13/2024] Open
Abstract
Excess adipose tissue, particularly of the visceral type, triggering chronic low-grade inflammation and altering its secretory profile, is a contributing factor to the initiation and progression of metabolic dysfunction-associated steatotic liver disease (MASLD). This study aimed to compare the levels of selected adipokines and cytokines in individuals with normal weight and obesity, assessing their potential for diagnosing MASLD and establishing a cutoff point for body fat content associated with hepatic steatosis development. The research involved 99 participants categorized by body mass index and MASLD presence, undergoing body composition analysis, liver elastography, biochemical tests, and evaluation of adipokines and cytokines in serum. The results indicated elevated IL-6 (interleukin 6) serum levels in individuals with obesity with MASLD compared to the normal-weight group without MASLD. The multivariate regression analysis demonstrated a connection between hepatic steatosis and total adipose tissue content, VAT (visceral adipose tissue), VAT/SAT (subcutaneous adipose tissue) ratio, HOMA-IR (homeostasis model assessment of insulin resistance), IL-6, Il-1β (interleukin 1β), and MMP-2 (matrix metalloproteinase 2). Among the adipokines and cytokines examined in this study, interleukin 6 was the strongest predictor of MASLD regardless of gender. In addition, an association between the development of hepatic steatosis and higher serum IL-1β levels and higher adipose tissue was observed in women. However, further studies on a larger group of patients are needed to consider the use of these cytokines as markers of MASLD. The HOMA-IR index demonstrated potential diagnostic utility in identifying hepatic steatosis.
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Affiliation(s)
- Beata Zyśk
- Department of Dietetics and Clinical Nutrition, Medical University of Bialystok, Mieszka I 4B Street, 15-054 Bialystok, Poland; (L.O.)
| | - Lucyna Ostrowska
- Department of Dietetics and Clinical Nutrition, Medical University of Bialystok, Mieszka I 4B Street, 15-054 Bialystok, Poland; (L.O.)
| | - Joanna Smarkusz-Zarzecka
- Department of Dietetics and Clinical Nutrition, Medical University of Bialystok, Mieszka I 4B Street, 15-054 Bialystok, Poland; (L.O.)
| | - Karolina Orywal
- Department of Biochemical Diagnostics, Medical University of Bialystok, Waszyngtona 15A Street, 15-269 Bialystok, Poland (B.M.)
| | - Barbara Mroczko
- Department of Biochemical Diagnostics, Medical University of Bialystok, Waszyngtona 15A Street, 15-269 Bialystok, Poland (B.M.)
| | - Urszula Cwalina
- Department of Biostatistics and Medical Informatics, Medical University of Bialystok, Szpitalna 37 Street, 15-295 Bialystok, Poland
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Mounika N, Mungase SB, Verma S, Kaur S, Deka UJ, Ghosh TS, Adela R. Inflammatory Protein Signatures as Predictive Disease-Specific Markers for Non-Alcoholic Steatohepatitis (NASH). Inflammation 2024:10.1007/s10753-024-02035-0. [PMID: 38676759 DOI: 10.1007/s10753-024-02035-0] [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: 02/27/2024] [Revised: 04/20/2024] [Accepted: 04/22/2024] [Indexed: 04/29/2024]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is the most prevalent chronic disease worldwide, consisting of a broad spectrum of diseases such as simple steatosis (NAFL), non-alcoholic steatohepatitis (NASH), fibrosis, cirrhosis, and hepatocellular carcinoma. Hepatic inflammation plays a key role in the pathophysiology of NAFLD. Inflammatory mediators such as cytokines and chemokines are considered as contributing factors to NAFLD development and progression. In the present study, we aimed to investigate the inflammatory protein signatures as predictive disease-specific markers for non-alcoholic fatty liver disease (NAFLD). This cross-sectional study included healthy control (n = 64), NAFL (n = 109), and NASH (n = 60) human subjects. Serum concentrations of various cytokines and chemokines were evaluated using sensitive multiplex assays. We used principal component analysis (PCoA) to reveal distinct differences in the levels of cytokines and chemokines between each of the study groups. Further, a random forest classification model was developed to identify the panel of markers that could predict diseases. The protein-protein network analysis was performed to determine the various signaling pathways associated with the disease-specific panel of markers. Serum concentrations of TNF-α, IL-1β, IL-1ra, G-CSF, PDGF-BB, MCP-1, MIP-1a, MIP-1b, RANTES, eotaxin, IL-8 and IP-10 were significantly increased in NASH group as compared to control group. Furthermore, serum concentrations of IL-9 and IL-13 were significantly lower in the NASH group, whereas IL-2 levels were significantly decreased in the NAFL group when compared to the control group. PCoA results demonstrated statistically significant differences in cytokines and chemokines between each of the study groups (PERMANOVA p = 0.001; R2 = 0.102). RANTES, IL-1ra, MIP-1b, IL-2, and G-CSF could differentiate the NAFL group from the controls; G-CSF, IL-1ra, TNF-α, RANTES, and IL-9 could differentiate the NASH group from the controls; and G-CSF, IL-9, IL-13, eotaxin, and TNF- α could differentiate the NASH group from the NAFL group. Our protein-protein network revealed that these markers are involved in cytokine-cytokine receptor interaction, Th1 and Th2 cell differentiation, TNF, chemokine, JAK/STAT, P13K/Akt, TLR, NOD-like receptor, NF-kB, and adipocytokine signaling pathways which might be responsible for disease pathogenesis. Our study findings revealed a set of distinct cytokine and chemokine markers and they might be considered as biomarkers in distinguishing NASH from NAFL. Future multicentre studies with larger sample size are recommended to determine the potential utility of these panels of markers.
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Affiliation(s)
- Nadella Mounika
- Department of Pharmacy Practice, National Institute of Pharmaceutical Education and Research-Guwahati, Sila Katamur (Halugurisuk), Changsari, Kamrup, Assam-781101, India
| | - Suraj Bhausaheb Mungase
- Department of Pharmacy Practice, National Institute of Pharmaceutical Education and Research-Guwahati, Sila Katamur (Halugurisuk), Changsari, Kamrup, Assam-781101, India
| | - Shivangi Verma
- Department of Computational Biology, Indraprastha Institute of Information Technology Delhi (IIIT-Delhi), Okhla Phase III, New Delhi, 110020, India
| | - Savneet Kaur
- Department of Molecular and Cellular Medicine, Institute of Liver & Biliary Science (ILBS), New Delhi-110 070, Vasant Kunj, India
| | - Utpal Jyoti Deka
- Department of Gastroenterology, Downtown Hospital, GS Road, Bormotoria, Guwahati, Assam-781006, India
| | - Tarini Shankar Ghosh
- Department of Computational Biology, Indraprastha Institute of Information Technology Delhi (IIIT-Delhi), Okhla Phase III, New Delhi, 110020, India
| | - Ramu Adela
- Department of Pharmacy Practice, National Institute of Pharmaceutical Education and Research-Guwahati, Sila Katamur (Halugurisuk), Changsari, Kamrup, Assam-781101, India.
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Afshari H, Noori S, Zarghi A. A novel combination of metformin and resveratrol alleviates hepatic steatosis by activating autophagy through the cAMP/AMPK/SIRT1 signaling pathway. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:3135-3148. [PMID: 37209153 DOI: 10.1007/s00210-023-02520-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 05/03/2023] [Indexed: 05/22/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a prevalent liver disorder that is associated with the accumulation of triglycerides (TG) in hepatocytes. Resveratrol (RSV), as a natural product, and metformin have been reported to have potential lipid-lowering effects for the treatment of NAFLD via autophagy, but the combined effects of both have not yet been studied. The current study aimed to investigate the role of autophagy in the lipid-lowering effects of RSV, alone and in combination with metformin, on the hepatic steatosis model of HepG2 cells and elucidate the mechanism of action. Triglyceride measurement and real-time PCR showed that RSV-metformin reduced lipid accumulation and the expression of lipogenic genes in palmitic acid (PA)-induced HepG2 cells. Additionally, the LDH release assay indicated that this combination protected HepG2 cells against PA-induced cell death through autophagy. The western blotting analysis revealed that RSV-metformin induced autophagy by reducing the expression of p62 and increasing LC3-I and LC3-II proteins. This combination also enhanced cAMP, phosphorylated AMP-activated protein kinase (p-AMPK), and Beclin-1 levels in HepG2 cells. Furthermore, SIRT1 inhibitor treatment inhibited autophagy induced by RSV-metformin, which indicated the autophagy induction is SIRT1-dependent. This study demonstrated for the first time that RSV-metformin reduced hepatic steatosis by triggering autophagy via the cAMP/AMPK/SIRT1 signaling pathway.
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Affiliation(s)
- Havva Afshari
- Department of Biochemistry, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shokoofe Noori
- Department of Biochemistry, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Afshin Zarghi
- Department of Pharmaceutical Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Gîlcă-Blanariu GE, Budur DS, Mitrică DE, Gologan E, Timofte O, Bălan GG, Olteanu VA, Ștefănescu G. Advances in Noninvasive Biomarkers for Nonalcoholic Fatty Liver Disease. Metabolites 2023; 13:1115. [PMID: 37999211 PMCID: PMC10672868 DOI: 10.3390/metabo13111115] [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: 09/14/2023] [Revised: 10/15/2023] [Accepted: 10/24/2023] [Indexed: 11/25/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) currently represents one of the most common liver diseases worldwide. Early diagnosis and disease staging is crucial, since it is mainly asymptomatic, but can progress to nonalcoholic steatohepatitis (NASH) or cirrhosis or even lead to the development of hepatocellular carcinoma. Over time, efforts have been put into developing noninvasive diagnostic and staging methods in order to replace the use of a liver biopsy. The noninvasive methods used include imaging techniques that measure liver stiffness and biological markers, with a focus on serum biomarkers. Due to the impressive complexity of the NAFLD's pathophysiology, biomarkers are able to assay different processes involved, such as apoptosis, fibrogenesis, and inflammation, or even address the genetic background and "omics" technologies. This article reviews not only the currently validated noninvasive methods to investigate NAFLD but also the promising results regarding recently discovered biomarkers, including biomarker panels and the combination of the currently validated evaluation methods and serum markers.
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Affiliation(s)
- Georgiana-Emmanuela Gîlcă-Blanariu
- Gastroenterology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania; (G.-E.G.-B.); (D.E.M.); (E.G.); (O.T.); (G.G.B.); (V.A.O.)
- Department of Gastroenterology, “Sf Spiridon” County Clinical Emergency Hospital, 100115 Iași, Romania
| | - Daniela Simona Budur
- Gastroenterology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania; (G.-E.G.-B.); (D.E.M.); (E.G.); (O.T.); (G.G.B.); (V.A.O.)
| | - Dana Elena Mitrică
- Gastroenterology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania; (G.-E.G.-B.); (D.E.M.); (E.G.); (O.T.); (G.G.B.); (V.A.O.)
- Department of Gastroenterology, “Sf Spiridon” County Clinical Emergency Hospital, 100115 Iași, Romania
| | - Elena Gologan
- Gastroenterology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania; (G.-E.G.-B.); (D.E.M.); (E.G.); (O.T.); (G.G.B.); (V.A.O.)
| | - Oana Timofte
- Gastroenterology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania; (G.-E.G.-B.); (D.E.M.); (E.G.); (O.T.); (G.G.B.); (V.A.O.)
- Department of Gastroenterology, “Sf Spiridon” County Clinical Emergency Hospital, 100115 Iași, Romania
| | - Gheorghe Gh Bălan
- Gastroenterology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania; (G.-E.G.-B.); (D.E.M.); (E.G.); (O.T.); (G.G.B.); (V.A.O.)
- Department of Gastroenterology, “Sf Spiridon” County Clinical Emergency Hospital, 100115 Iași, Romania
| | - Vasile Andrei Olteanu
- Gastroenterology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania; (G.-E.G.-B.); (D.E.M.); (E.G.); (O.T.); (G.G.B.); (V.A.O.)
- Department of Gastroenterology, “Sf Spiridon” County Clinical Emergency Hospital, 100115 Iași, Romania
| | - Gabriela Ștefănescu
- Gastroenterology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania; (G.-E.G.-B.); (D.E.M.); (E.G.); (O.T.); (G.G.B.); (V.A.O.)
- Department of Gastroenterology, “Sf Spiridon” County Clinical Emergency Hospital, 100115 Iași, Romania
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Su YH, Chien KL, Yang SH, Chia WT, Chen JH, Chen YC. Nonalcoholic Fatty Liver Disease Is Associated With Decreased Bone Mineral Density in Adults: A Systematic Review and Meta-Analysis. J Bone Miner Res 2023; 38:1092-1103. [PMID: 37254266 DOI: 10.1002/jbmr.4862] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 05/04/2023] [Accepted: 05/21/2023] [Indexed: 06/01/2023]
Abstract
This systematic review and meta-analysis aimed to investigate the effect of nonalcoholic fatty liver disease (NAFLD) on bone mineral density (BMD) and the risk of osteoporosis and osteoporotic fracture in adults. We searched PubMed, MEDLINE, Embase, CINAHL, Web of Science, Cochrane Library, and Scopus for observational studies published from inception to January 2023 that reported adjusted effect sizes of NAFLD on BMD, osteopenia/osteoporosis, and osteoporotic fracture. The data were synthesized using multilevel and random-effects models. A total of 19 studies were included; of these, nine (21,294 participants) evaluated the effect of NAFLD on BMD, six (133,319 participants) investigated the risk of osteoporosis, and five (227,901 participants) assessed the risk of osteoporotic fracture. This meta-analysis showed that NAFLD was associated with decreased BMD (mean difference -0.019 g/cm2 , 95% confidence interval [CI] -0.036 to -0.002, I2 = 93%) and increased risks of osteoporosis (adjusted risk ratio [RR] = 1.28, 95% CI 1.08 to 1.52, I2 = 84%) and osteoporotic fractures (adjusted RR = 1.17, 95% CI 1.00 to 1.37, I2 = 67%). Subgroup analyses revealed that NAFLD had a significantly detrimental effect on BMD in men and on the BMD of the femoral neck and total hip. Stratified analyses by ethnicity demonstrated that NAFLD was not associated with BMD, osteoporosis, or osteoporotic fracture in non-Asian populations. The publication bias of all included studies was low; however, there was considerable heterogeneity among the studies, warranting a careful interpretation of the findings. Overall, our results suggest that NAFLD is associated with decreased BMD and an increased risk of osteoporosis or osteoporotic fractures. Male sex and the BMD of the femoral neck and total hip may be potential risk factors for decreased BMD in adults with NAFLD. Additionally, ethnic disparities were observed between Asian and non-Asian populations regarding BMD and osteoporotic fractures. © 2023 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Ying-Hao Su
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei City, Taiwan
- Department of Orthopaedic Surgery, National Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu City, Taiwan
| | - Kuo-Liong Chien
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei City, Taiwan
| | - Shu-Hua Yang
- Department of Orthopaedic Surgery, National Taiwan University Hospital, Taipei City, Taiwan
| | - Wei-Tso Chia
- Department of Orthopaedic Surgery, National Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu City, Taiwan
| | - Jen-Hau Chen
- Department of Geriatrics and Gerontology, National Taiwan University Hospital, Taipei, Taiwan
| | - Yen-Ching Chen
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei City, Taiwan
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Stat3 role in the protective effect of FXR Agonist in parenteral nutrition-associated cholestasis. Hepatol Commun 2023; 7:e0056. [PMID: 36848082 PMCID: PMC9974070 DOI: 10.1097/hc9.0000000000000056] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 12/12/2022] [Indexed: 03/01/2023] Open
Abstract
BACKGROUND AND AIMS Parenteral nutrition (PN) in patients with intestinal failure can lead to cholestasis (PNAC). In a PNAC mouse model, farnesoid X receptor (FXR) agonist (GW4064) treatment alleviated IL-1β-dependent cholestatic liver injury. The objective of this study was to determine whether this hepatic protection of FXR activation is mediated through IL-6-STAT3 signaling. APPROACH AND RESULTS Hepatic apoptotic pathways [Fas-associated protein with death domain (Fas) mRNA, caspase 8 protein, and cleaved caspase 3] and IL-6-STAT3 signaling, and expression of its downstream effectors Socs1/3 were all upregulated in the mouse PNAC model (dextran sulfate sodium enterally × 4 d followed by total PN for 14 d). Il1r-/- mice were protected from PNAC in conjunction with suppression of the FAS pathway. GW4064 treatment in the PNAC mouse increased hepatic FXR binding to the Stat3 promoter, further increased STAT3 phosphorylation and upregulated Socs1 and Socs3 mRNA, and prevented cholestasis. In HepG2 cells and primary mouse hepatocytes, IL-1β induced IL-6 mRNA and protein, which were suppressed by GW4064. In IL-1β or phytosterols treated HepG2 and Huh7 cells, siRNA knockdown of STAT3 significantly reduced GW4064-upregulated transcription of hepatoprotective nuclear receptor subfamily 0, group B, member 2 (NR0B2) and ABCG8. CONCLUSIONS STAT3 signaling mediated in part the protective effects of GW4064 in the PNAC mouse, and in HepG2 cells and hepatocytes exposed to either IL-1β or phytosterols, 2 factors critical in PNAC pathogenesis. These data demonstrate that FXR agonists may mediate hepatoprotective effects in cholestasis by inducing STAT3 signaling.
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Olveira A, Augustin S, Benlloch S, Ampuero J, Suárez-Pérez JA, Armesto S, Vilarrasa E, Belinchón-Romero I, Herranz P, Crespo J, Guimerá F, Gómez-Labrador L, Martín V, Carrascosa JM. The Essential Role of IL-17 as the Pathogenetic Link between Psoriasis and Metabolic-Associated Fatty Liver Disease. Life (Basel) 2023; 13:419. [PMID: 36836776 PMCID: PMC9963792 DOI: 10.3390/life13020419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 01/19/2023] [Accepted: 01/28/2023] [Indexed: 02/05/2023] Open
Abstract
Interleukin 17 (IL-17) is an effector cytokine that plays a key role in the pathogenesis of both psoriasis and metabolic-associated fatty liver disease (MAFLD), a condition that is more prevalent and severe in patients with psoriasis. In liver inflammation, IL-17 is mainly produced by CD4+ T (TH17) and CD8+ T cells (Tc17), although numerous other cells (macrophages, natural killer cells, neutrophils and Tγδ cells) also contribute to the production of IL-17. In hepatocytes, IL-17 mediates systemic inflammation and the recruitment of inflammatory cells to the liver, and it is also implicated in the development of fibrosis and insulin resistance. IL-17 levels have been correlated with progression from MAFLD to steatohepatitis, cirrhosis, and even hepatocellular carcinoma. Clinical trials have shown that inhibiting IL-17A in patients with psoriasis could potentially contribute to the improvement of metabolic and liver parameters. A better understanding of the key factors involved in the pathogenesis of these chronic inflammatory processes could potentially lead to more efficient treatment for both psoriasis and MAFLD, and help to develop holistic strategies to improve the management of these patients.
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Affiliation(s)
- Antonio Olveira
- Department of Digestive Diseases, La Paz University Hospital, 28046 Madrid, Spain
| | - Salvador Augustin
- Liver Unit, Vall d’Hebron Hospital Universitari, Vall d’Hebron Institut de Recerca (VHIR), Vall d’Hebron Barcelona Hospital Campus, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Salvador Benlloch
- Department of Digestive Diseases, Arnau de Vilanova Hospital, Centro Biomédico en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), 46015 Valencia, Spain
| | - Javier Ampuero
- Department of Digestive Diseases, Virgen del Rocío University Hospital, Lab 213, Institute of Biomedicine of Sevilla (IBIS), Department of Medicine, University of Sevilla, Centro Biomédico en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), 41004 Sevilla, Spain
| | | | - Susana Armesto
- Department of Dermatology, Marqués de Valdecilla University Hospital, 39008 Santander, Spain
| | - Eva Vilarrasa
- Department of Dermatology, Santa Creu i Sant Pau Hospital, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Isabel Belinchón-Romero
- Dermatology Department, Alicante University General Hospital, Institute for Health and Biomedical Research (ISABIAL), Miguel Hernández University of Elche, 03202 Alicante, Spain
| | - Pedro Herranz
- Department of Dermatology, La Paz University Hospital, 28046 Madrid, Spain
| | - Javier Crespo
- Gastroenterology and Hepatology Department, Marqués de Valdecilla University Hospital, IDIVAL, School Medicine, University of Cantabria, 39005 Santander, Spain
| | - Francisco Guimerá
- Dermatology and Pathology Department, Canarias University Hospital, 38320 La Laguna, Spain
| | | | - Víctor Martín
- Immunology Franchise, Novartis Farmacéutica S.A., 28033 Madrid, Spain
| | - José Manuel Carrascosa
- Department of Dermatology, Germans Trias i Pujol University Hospital, Universitat Autònoma de Barcelona, IGTP, 08193 Badalona, Spain
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Overview of Cellular and Soluble Mediators in Systemic Inflammation Associated with Non-Alcoholic Fatty Liver Disease. Int J Mol Sci 2023; 24:ijms24032313. [PMID: 36768637 PMCID: PMC9916753 DOI: 10.3390/ijms24032313] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/18/2023] [Accepted: 01/21/2023] [Indexed: 01/26/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is currently the most prevalent chronic liver disease in Western countries, affecting approximately 25% of the adult population. This condition encompasses a spectrum of liver diseases characterized by abnormal accumulation of fat in liver tissue (non-alcoholic fatty liver, NAFL) that can progress to non-alcoholic steatohepatitis (NASH), characterized by the presence of liver inflammation and damage. The latter form often coexists with liver fibrosis which, in turn, may progress to a state of cirrhosis and, potentially, hepatocarcinoma, both irreversible processes that often lead to the patient's death and/or the need for liver transplantation. Along with the high associated economic burden, the high mortality rate among NAFLD patients raises interest, not only in the search for novel therapeutic approaches, but also in early diagnosis and prevention to reduce the incidence of NAFLD-related complications. In this line, an exhaustive characterization of the immune status of patients with NAFLD is mandatory. Herein, we attempted to gather and compare the current and relevant scientific evidence on this matter, mainly on human reports. We addressed the current knowledge related to circulating cellular and soluble mediators, particularly platelets, different leukocyte subsets and relevant inflammatory soluble mediators.
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Afshari H, Noori S, Zarghi A. Hepatic Steatosis Alleviated by a Novel Metformin and Quercetin Combination Activating Autophagy Through the cAMP/AMPK/SIRT1 Pathway. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2023; 22:e136952. [PMID: 38116565 PMCID: PMC10728872 DOI: 10.5812/ijpr-136952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/09/2023] [Accepted: 05/28/2023] [Indexed: 12/21/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) incidence and prevalence are rapidly increasing globally. The combined effects of metformin and quercetin (Que) have yet to be investigated. However, both have demonstrated the potential to reduce triglyceride (TG) levels and treat NAFLD by promoting autophagy. The objective of the present study was to elucidate the mechanism of action and assess the role of autophagy in the lipid-lowering effects of Que, both individually and in combination with metformin, in a HepG2 cell model of hepatic steatosis. Triglyceride levels and lipogenic gene expression were reduced in HepG2 cells exposed to palmitic acid (PA) when treated with Que-metformin, as evidenced by triglyceride measurements and real-time PCR. The LDH release assay also showed that this combination induced autophagy to protect HepG2 cells from PA-induced cell death. According to the Western blot analysis outcomes, Que-metformin increased LC3-I and LC3-II protein levels while decreasing p62 expression to induce autophagy. In HepG2 cells, the co-administration of Que-metformin elevated cAMP, phosphorylated AMP-activated protein kinase (p-AMPK), and Beclin-1 levels. Additionally, the inhibition of SIRT1 reversed the autophagy induced by Que-metformin. The findings of this study demonstrated for the first time that Que-metformin reduced hepatosteatosis by stimulating autophagy through the cAMP/AMPK/SIRT1 signaling pathway and diminishing inflammatory cytokines.
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Affiliation(s)
- Havva Afshari
- Department of Clinical Biochemistry, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shokoofe Noori
- Department of Clinical Biochemistry, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Afshin Zarghi
- Department of Pharmaceutical Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Lo YJ, Mishra VK, Lo HY, Dubey NK, Lo WC. Clinical Spectrum and Trajectory of Innovative Therapeutic Interventions for Insomnia: A Perspective. Aging Dis 2022:AD.2022.1203. [PMID: 37163444 PMCID: PMC10389812 DOI: 10.14336/ad.2022.1203] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 12/03/2022] [Indexed: 05/12/2023] Open
Abstract
Increasing incidences of insomnia in adults, as well as the aging population, have been reported for their negative impact on the quality of life. Insomnia episodes may be associated with neurocognitive, musculoskeletal, cardiovascular, gastrointestinal, renal, hepatic, and metabolic disorders. Epidemiological evidence also revealed the association of insomnia with oncologic and asthmatic complications, which has been indicated as bidirectional. Two therapeutic approaches including cognitive behavioral therapy (CBT) and drugs-based therapies are being practiced for a long time. However, the adverse events associated with drugs limit their wide and long-term application. Further, Traditional Chinese medicine, acupressure, and pulsed magnetic field therapy may also provide therapeutic relief. Notably, the recently introduced cryotherapy has been demonstrated as a potential candidate for insomnia which could reduce pain, by suppressing oxidative stress and inflammation. It seems that the synergistic therapeutic approach of cryotherapy and the above-mentioned approaches might offer promising prospects to further improve efficacy and safety. Considering these facts, this perspective presents a comprehensive summary of recent advances in pathological aetiologies of insomnia including COVID-19, and its therapeutic management with a greater emphasis on cryotherapy.
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Affiliation(s)
| | | | | | - Navneet Kumar Dubey
- Victory Biotechnology Co., Ltd., Taipei 114757, Taiwan
- ShiNeo Technology Co., Ltd., New Taipei City 24262, Taiwan
| | - Wen-Cheng Lo
- Department of Surgery, Division of Neurosurgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
- Department of Neurosurgery, Taipei Medical University Hospital, Taipei 11031, Taiwan
- Taipei Neuroscience Institute, Taipei Medical University, Taipei 11031, Taiwan
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11
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Monirujjaman M, Bathe OF, Mazurak VC. Dietary EPA+DHA Mitigate Hepatic Toxicity and Modify the Oxylipin Profile in an Animal Model of Colorectal Cancer Treated with Chemotherapy. Cancers (Basel) 2022; 14:cancers14225703. [PMID: 36428795 PMCID: PMC9688617 DOI: 10.3390/cancers14225703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/18/2022] [Accepted: 11/18/2022] [Indexed: 11/22/2022] Open
Abstract
Irinotecan (CPT-11) and 5-fluorouracil (5-FU) are commonly used to treat metastatic colorectal cancer, but chemotherapy-associated steatosis/steatohepatitis (CASSH) frequently accompanies their use. The objective of this study was to determine effect of CPT-11+5-FU on liver toxicity, liver oxylipins, and cytokines, and to explore whether these alterations could be modified by dietary eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) in the form of fish oil (EPA+DHA). Tumor-bearing animals were administered CPT-11+5-FU and maintained on a control diet or a diet containing EPA+DHA (2.3 g/100 g). Livers were collected one week after chemotherapy for the analysis of oxylipins, cytokines, and markers of liver pathology (oxidized glutathione, GSSH; 4-hydroxynonenal, 4-HNE, and type-I collagen fiber). Dietary EPA+DHA prevented the chemotherapy-induced increases in liver GSSH (p < 0.011) and 4-HNE (p < 0.006). Compared with the tumor-bearing animals, ten oxylipins were altered (three/ten n-6 oxylipins were elevated while seven/ten n-3 oxylipins were reduced) following chemotherapy. Reductions in the n-3 fatty-acid-derived oxylipins that were evident following chemotherapy were restored by dietary EPA+DHA. Liver TNF-α, IL-6 and IL-10 were elevated (p < 0.05) following chemotherapy; dietary EPA+DHA reduced IL-6 (p = 0.09) and eotaxin (p = 0.007) levels. Chemotherapy-induced liver injury results in distinct alterations in oxylipins and cytokines, and dietary EPA+DHA attenuates these pathophysiological effects.
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Affiliation(s)
- Md Monirujjaman
- Division of Human Nutrition, Department of Agricultural Food and Nutritional Science, Li Ka Shing Centre for Health Research Innovation, University of Alberta, Edmonton, AB T6G 2P5, Canada
| | - Oliver F. Bathe
- Department of Surgery and Oncology, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Vera C. Mazurak
- Division of Human Nutrition, Department of Agricultural Food and Nutritional Science, Li Ka Shing Centre for Health Research Innovation, University of Alberta, Edmonton, AB T6G 2P5, Canada
- Correspondence: ; Tel.: +1-780-492-8048
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12
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Larion S, Padgett CA, Butcher JT, Mintz JD, Fulton DJ, Stepp DW. The biological clock enhancer nobiletin ameliorates steatosis in genetically obese mice by restoring aberrant hepatic circadian rhythm. Am J Physiol Gastrointest Liver Physiol 2022; 323:G387-G400. [PMID: 35997288 PMCID: PMC9602907 DOI: 10.1152/ajpgi.00130.2022] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 07/13/2022] [Accepted: 08/03/2022] [Indexed: 01/31/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is associated with disruption of homeostatic lipid metabolism, but underlying processes are poorly understood. One possible mechanism is impairment in hepatic circadian rhythm, which regulates key lipogenic mediators in the liver and whose circadian oscillation is diminished in obesity. Nobiletin enhances biological rhythms by activating RAR-related orphan receptor nuclear receptor, protecting against metabolic syndrome in a clock-dependent manner. The effect of nobiletin in NAFLD is unclear. In this study, we investigate the clock-enhancing effects of nobiletin in genetically obese (db/db) PER2::LUCIFERASE reporter mice with fatty liver. We report microarray expression data suggesting hepatic circadian signaling is impaired in db/db mice with profound hepatic steatosis. Circadian PER2 activity, as assessed by mRNA and luciferase assay, was significantly diminished in liver of db/db PER2::LUCIFERASE reporter mice. Continuous animal monitoring systems and constant dark studies suggest the primary circadian defect in db/db mice lies within peripheral hepatic oscillators and not behavioral rhythms or the master clock. In vitro, nobiletin restored PER2 amplitude in lipid-laden PER2::LUCIFERASE reporter macrophages. In vivo, nobiletin dramatically upregulated core clock gene expression, hepatic PER2 activity, and ameliorated steatosis in db/db PER2::LUCIFERASE reporter mice. Mechanistically, nobiletin reduced serum insulin levels, decreased hepatic Srebp1c, Acaca1, Tnfα, and Fgf21 expression, but did not improve Plin2, Plin5, or Cpt1, suggesting nobiletin attenuates steatosis in db/db mice via downregulation of hepatic lipid accumulation. These data suggest restoring endogenous rhythm with nobiletin resolves steatosis in obesity, proposing that hypothesis that targeting the biological clock may be an attractive therapeutic strategy for NAFLD.NEW & NOTEWORTHY NAFLD is the most common chronic liver disease, but underlying mechanisms are unclear. We show here that genetically obese (db/db) mice with fatty liver have impaired hepatic circadian rhythm. Hepatic Per2 expression and PER2 reporter activity are diminished in db/db PER2::LUCIFERASE mice. The biological clock-enhancer nobiletin restores hepatic PER2 in db/db PER2::LUCIFERASE mice, resolving steatosis via downregulation of Srebp1c. These studies suggest targeting the circadian clock may be beneficial strategy in NAFLD.
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Affiliation(s)
- Sebastian Larion
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, Georgia
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, Georgia
| | - Caleb A Padgett
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, Georgia
| | - Joshua T Butcher
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, Georgia
| | - James D Mintz
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, Georgia
| | - David J Fulton
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, Georgia
- Department of Pharmacology, Medical College of Georgia, Augusta University, Augusta, Georgia
| | - David W Stepp
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, Georgia
- Department of Pharmacology, Medical College of Georgia, Augusta University, Augusta, Georgia
- Department of Physiology, Medical College of Georgia, Augusta University, Augusta, Georgia
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13
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Bertran L, Portillo-Carrasquer M, Barrientos-Riosalido A, Aguilar C, Riesco D, Martínez S, Culebradas A, Vives M, Sabench F, Castillo DD, Richart C, Auguet T. Increased Secreted Frizzled-Related Protein 5 mRNA Expression in the Adipose Tissue of Women with Nonalcoholic Fatty Liver Disease Associated with Obesity. Int J Mol Sci 2022; 23:9871. [PMID: 36077270 PMCID: PMC9456439 DOI: 10.3390/ijms23179871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/23/2022] [Accepted: 08/29/2022] [Indexed: 11/17/2022] Open
Abstract
Secreted frizzled-related protein 5 (SFRP5) is an anti-inflammatory adipocytokine secreted by adipocytes that seems to be linked with nonalcoholic fatty liver disease (NAFLD). We aimed to evaluate the role of the SFRP5-wingless-MMTV integration site family member 5a (WNT5A) pathway, closely related to adipogenesis, in subcutaneous (SAT) and visceral adipose tissues (VAT) and its relationship with obesity-related NAFLD. Our cohort was composed of 60 women with morbid obesity (MO), who underwent hypocaloric diet, subclassified according to their hepatic histopathology and 15 women with normal weight. We observed increased SFRP5 mRNA expression in VAT and lower WNT5A expression in SAT in MO compared to normal weight. We found elevated SFRP5 expression in nonalcoholic steatohepatitis (NASH) in SAT and in mild simple steatosis (SS) and NASH in VAT. We observed higher WNT5A expression in SS compared to normal liver in SAT, and a peak of WNT5A expression in mild SS. To conclude, we reported increased SFRP5 mRNA expression in SAT and VAT of NAFLD-related to obesity subjects, suggesting an implication of the SFRP5-WNT5A pathway in NAFLD pathogenesis, probably due to the adipose tissue-liver axis. Since the mechanisms by which this potential interaction takes place remain elusive, more research in this field is needed.
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Affiliation(s)
- Laia Bertran
- Grup de Recerca GEMMAIR (AGAUR)—Medicina Aplicada (URV), Departament de Medicina i Cirurgia, Universitat Rovira i Virgili (URV), Institut d’Investigació Sanitària Pere Virgili (IISPV), 43007 Tarragona, Spain
| | - Marta Portillo-Carrasquer
- Grup de Recerca GEMMAIR (AGAUR)—Medicina Aplicada (URV), Departament de Medicina i Cirurgia, Universitat Rovira i Virgili (URV), Institut d’Investigació Sanitària Pere Virgili (IISPV), 43007 Tarragona, Spain
| | - Andrea Barrientos-Riosalido
- Grup de Recerca GEMMAIR (AGAUR)—Medicina Aplicada (URV), Departament de Medicina i Cirurgia, Universitat Rovira i Virgili (URV), Institut d’Investigació Sanitària Pere Virgili (IISPV), 43007 Tarragona, Spain
| | - Carmen Aguilar
- Grup de Recerca GEMMAIR (AGAUR)—Medicina Aplicada (URV), Departament de Medicina i Cirurgia, Universitat Rovira i Virgili (URV), Institut d’Investigació Sanitària Pere Virgili (IISPV), 43007 Tarragona, Spain
| | - David Riesco
- Servei Medicina Interna, Hospital Universitari de Tarragona Joan XXIII, Mallafré Guasch, 4, 43007 Tarragona, Spain
| | - Salomé Martínez
- Servei Anatomia Patològica, Hospital Universitari de Tarragona Joan XXIII, Mallafré Guasch, 4, 43007 Tarragona, Spain
| | - Amada Culebradas
- Servei de Cirurgia, Hospital Sant Joan de Reus, Departament de Medicina i Cirurgia, Universitat Rovira i Virgili (URV), IISPV, Avinguda Doctor Josep Laporte, 2, 43204 Reus, Spain
| | - Margarita Vives
- Servei de Cirurgia, Hospital Sant Joan de Reus, Departament de Medicina i Cirurgia, Universitat Rovira i Virgili (URV), IISPV, Avinguda Doctor Josep Laporte, 2, 43204 Reus, Spain
| | - Fàtima Sabench
- Servei de Cirurgia, Hospital Sant Joan de Reus, Departament de Medicina i Cirurgia, Universitat Rovira i Virgili (URV), IISPV, Avinguda Doctor Josep Laporte, 2, 43204 Reus, Spain
| | - Daniel Del Castillo
- Servei de Cirurgia, Hospital Sant Joan de Reus, Departament de Medicina i Cirurgia, Universitat Rovira i Virgili (URV), IISPV, Avinguda Doctor Josep Laporte, 2, 43204 Reus, Spain
| | - Cristóbal Richart
- Grup de Recerca GEMMAIR (AGAUR)—Medicina Aplicada (URV), Departament de Medicina i Cirurgia, Universitat Rovira i Virgili (URV), Institut d’Investigació Sanitària Pere Virgili (IISPV), 43007 Tarragona, Spain
- Servei Medicina Interna, Hospital Universitari de Tarragona Joan XXIII, Mallafré Guasch, 4, 43007 Tarragona, Spain
| | - Teresa Auguet
- Grup de Recerca GEMMAIR (AGAUR)—Medicina Aplicada (URV), Departament de Medicina i Cirurgia, Universitat Rovira i Virgili (URV), Institut d’Investigació Sanitària Pere Virgili (IISPV), 43007 Tarragona, Spain
- Servei Medicina Interna, Hospital Universitari de Tarragona Joan XXIII, Mallafré Guasch, 4, 43007 Tarragona, Spain
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14
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Adipokines in Non-Alcoholic Fatty Liver Disease: Are We on the Road toward New Biomarkers and Therapeutic Targets? BIOLOGY 2022; 11:biology11081237. [PMID: 36009862 PMCID: PMC9405285 DOI: 10.3390/biology11081237] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/16/2022] [Accepted: 08/17/2022] [Indexed: 12/04/2022]
Abstract
Simple Summary Non-alcoholic fatty liver disease (NAFLD) is an unmet medical need due to its increasingly high incidence, severe clinical consequences, and the absence of feasible diagnostic tools and effective drugs. This review summarizes the preclinical and clinical data on adipokines, cytokine-like hormones secreted by adipose tissue, and NAFLD. The aim is to establish the potential of adipokines as diagnostic and prognostic biomarkers, as well as their potential as therapeutic targets for NAFLD. The limitations of current research are also discussed, and future perspectives are outlined. Abstract Non-alcoholic fatty liver disease (NAFLD) has become the major cause of chronic hepatic illness and the leading indication for liver transplantation in the future decades. NAFLD is also commonly associated with other high-incident non-communicable diseases, such as cardiovascular complications, type 2 diabetes, and chronic kidney disease. Aggravating the socio-economic impact of this complex pathology, routinely feasible diagnostic methodologies and effective drugs for NAFLD management are unavailable. The pathophysiology of NAFLD, recently defined as metabolic associated fatty liver disease (MAFLD), is correlated with abnormal adipose tissue–liver axis communication because obesity-associated white adipose tissue (WAT) inflammation and metabolic dysfunction prompt hepatic insulin resistance (IR), lipid accumulation (steatosis), non-alcoholic steatohepatitis (NASH), and fibrosis. Accumulating evidence links adipokines, cytokine-like hormones secreted by adipose tissue that have immunometabolic activity, with NAFLD pathogenesis and progression; however, much uncertainty still exists. Here, the current knowledge on the roles of leptin, adiponectin, ghrelin, resistin, retinol-binding protein 4 (RBP4), visfatin, chemerin, and adipocyte fatty-acid-binding protein (AFABP) in NAFLD, taken from preclinical to clinical studies, is overviewed. The effect of therapeutic interventions on adipokines’ circulating levels are also covered. Finally, future directions to address the potential of adipokines as therapeutic targets and disease biomarkers for NAFLD are discussed.
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Mitsala A, Tsalikidis C, Romanidis K, Pitiakoudis M. Non-Alcoholic Fatty Liver Disease and Extrahepatic Cancers: A Wolf in Sheep’s Clothing? Curr Oncol 2022; 29:4478-4510. [PMID: 35877216 PMCID: PMC9325209 DOI: 10.3390/curroncol29070356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 06/23/2022] [Accepted: 06/23/2022] [Indexed: 12/02/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is now considered the main driver and leading cause of chronic liver disease globally. The umbrella term NAFLD describes a range of liver conditions closely related to insulin resistance, metabolic syndrome, diabetes mellitus, obesity, and dyslipidemia. At the same time, several malignancies, including hepatocellular carcinoma and colorectal cancer, are considered to be common causes of death among patients with NAFLD. At first, our review herein aims to investigate the role of NAFLD in developing colorectal neoplasms and adenomatous polyps based on the current literature. We will also explore the connection and the missing links between NAFLD and extrahepatic cancers. Interestingly, any relationship between NAFLD and extrahepatic malignancies could be attributable to several shared metabolic risk factors. Overall, obesity, insulin resistance, metabolic syndrome, and related disorders may increase the risk of developing cancer. Therefore, early diagnosis of NAFLD is essential for preventing the progression of the disease and avoiding its severe complications. In addition, cancer screening and early detection in these patients may improve survival and reduce any delays in treatment.
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16
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Farooq M, Simoes Eugénio M, Piquet-Pellorce C, Dion S, Raguenes-Nicol C, Santamaria K, Kara-Ali GH, Larcher T, Dimanche-Boitrel MT, Samson M, Le Seyec J. Receptor-interacting protein kinase-1 ablation in liver parenchymal cells promotes liver fibrosis in murine NASH without affecting other symptoms. J Mol Med (Berl) 2022; 100:1027-1038. [PMID: 35476028 DOI: 10.1007/s00109-022-02192-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 03/08/2022] [Accepted: 03/22/2022] [Indexed: 12/21/2022]
Abstract
Non-alcoholic steatohepatitis (NASH), a chronic liver disease that emerged in industrialized countries, can further progress into liver fibrosis, cirrhosis, and hepatocellular carcinoma. In the next decade, NASH is predicted to become the leading cause of liver transplantation, the only current interventional therapeutic option. Hepatocyte death, triggered by different death ligands, plays key role in its progression. Previously, we showed that the receptor-interacting protein kinase-1 (RIPK1) in hepatocytes exhibits a protective role in ligand-induced death. Now, to decipher the role of RIPK1 in NASH, Ripk1LPC-KO mice, deficient for RIPK1 only in liver parenchymal cells, and their wild-type littermates (Ripk1fl/fl) were fed for 3, 5, or 12 weeks with high-fat high-cholesterol diet (HFHCD). The main clinical signs of NASH were analyzed to compare the pathophysiological state established in mice. Most of the symptoms evolved similarly whatever the genotype, whether it was the increase in liver to body weight ratio, the steatosis grade or the worsening of liver damage revealed by serum transaminase levels. In parallel, inflammation markers followed the same kinetics with significant equivalent inductions of cytokines (hepatic mRNA levels and blood cytokine concentrations) and a main peak of hepatic infiltration of immune cells at 3 weeks of HFHCD. Despite this identical inflammatory response, more hepatic fibrosis was significantly evidenced at week 12 in Ripk1LPC-KO mice. This coincided with over-induced rates of transcripts of genes implied in fibrosis development (Tgfb1, Tgfbi, Timp1, and Timp2) in Ripk1LPC-KO animals. In conclusion, our results show that RIPK1 in hepatocyte limits the progression of liver fibrosis during NASH.
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Affiliation(s)
- Muhammad Farooq
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000, Rennes, France.,Department of Clinical Sciences, College of Veterinary and Animal Sciences, University of Veterinary and Animal Sciences, Jhang, Lahore, Pakistan
| | - Mélanie Simoes Eugénio
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000, Rennes, France
| | - Claire Piquet-Pellorce
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000, Rennes, France
| | - Sarah Dion
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000, Rennes, France
| | - Céline Raguenes-Nicol
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000, Rennes, France
| | - Kathleen Santamaria
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000, Rennes, France
| | - Ghania Hounana Kara-Ali
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000, Rennes, France
| | | | - Marie-Thérèse Dimanche-Boitrel
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000, Rennes, France
| | - Michel Samson
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000, Rennes, France.
| | - Jacques Le Seyec
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000, Rennes, France
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Diagnostic Modalities of Non-Alcoholic Fatty Liver Disease: From Biochemical Biomarkers to Multi-Omics Non-Invasive Approaches. Diagnostics (Basel) 2022; 12:diagnostics12020407. [PMID: 35204498 PMCID: PMC8871470 DOI: 10.3390/diagnostics12020407] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/31/2022] [Accepted: 02/02/2022] [Indexed: 02/05/2023] Open
Abstract
Non-Alcoholic Fatty Liver Disease (NAFLD) is currently the most common cause of chronic liver disease worldwide, and its prevalence is increasing globally. NAFLD is a multifaceted disorder, and its spectrum includes steatosis to steatohepatitis, which may evolve to advanced fibrosis and cirrhosis. In addition, the presence of NAFLD is independently associated with a higher cardiometabolic risk and increased mortality rates. Considering that the vast majority of individuals with NAFLD are mainly asymptomatic, early diagnosis of non-alcoholic steatohepatitis (NASH) and accurate staging of fibrosis risk is crucial for better stratification, monitoring and targeted management of patients at risk. To date, liver biopsy remains the gold standard procedure for the diagnosis of NASH and staging of NAFLD. However, due to its invasive nature, research on non-invasive tests is rapidly increasing with significant advances having been achieved during the last decades in the diagnostic field. New promising non-invasive biomarkers and techniques have been developed, evaluated and assessed, including biochemical markers, imaging modalities and the most recent multi-omics approaches. Our article provides a comprehensive review of the currently available and emerging non-invasive diagnostic tools used in assessing NAFLD, also highlighting the importance of accurate and validated diagnostic tools.
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Zuñiga-Aguilar E, Ramírez-Fernández O. Fibrosis and hepatic regeneration mechanism. Transl Gastroenterol Hepatol 2022; 7:9. [PMID: 35243118 PMCID: PMC8826211 DOI: 10.21037/tgh.2020.02.21] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 02/10/2020] [Indexed: 11/26/2023] Open
Abstract
Liver cirrhosis is the final stage of continuous hepatic inflammatory activity derived by viral, metabolic or autoimmune origin. In the last years, cirrhosis was considered a unique and static condition; recently was accepted some patients subgroups with different liver injury degrees that coexist under the same diagnosis, with implications about the natural disease history. The liver growth factor (LGF) is a potent in vivo and in vitro mitogenic agent and an inducer of hepatic regeneration (HR) through the hepatocytes DNA synthesis. The clinical implications of the LGF levels in cirrhosis, are not clear and even with having a fundamental role in the liver regeneration processes, the studies suggest that it could be a cirrhosis severity marker, in acute liver failure and in chronic hepatitis. Its role as predictor of mortality in fulminant hepatic insufficiency patients has been suggested. HR is one of the most enigmatic and fascinating biological phenomena. The rapid volume and liver function restoration after a major hepatectomy (>70%) or severe hepatocellular damage and its strict regulation of tissue damage response after the cessation, is an exclusive property of the liver. HR is the clinical applications fundament, such as extensive hepatic resections (>70% of the liver parenchyma), segmental transplantation or living donor transplantation, sequential hepatectomies, isolated portal embolization or associated with in situ hepatic transection, temporary artificial support in acute liver failure and the possible cell therapy clinical applications.
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Affiliation(s)
- Esmeralda Zuñiga-Aguilar
- Universidad Autonoma de Ciudad Juárez, Depto de Ingeniería Eléctrica y Computación, Ciudad Juárez, Chih., México
| | - Odin Ramírez-Fernández
- Tecnologico Nacional de Mexico, Depto. De Ciencias Basicas, Tlalnepantla de Baz, Mexico
- Facultad de Medicina, HIPAM, Universidad Nacional Autonoma de Mexico, Ciudad de México, Mexico
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Özkan EA, Sadigov A, Öztürk O. Evaluation of Serum Omentin-1, Vaspin, Leptin, Adiponectin Levels in Obese/Overweight Children and Their Relationship With Non-Alcoholic Fatty Liver Disease. Clin Nutr Res 2022; 11:194-203. [PMID: 35949560 PMCID: PMC9348910 DOI: 10.7762/cnr.2022.11.3.194] [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: 05/30/2022] [Revised: 07/06/2022] [Accepted: 07/11/2022] [Indexed: 11/26/2022] Open
Abstract
To investigate adipokines (vaspin, omentin-1, adiponectin and leptin) and their correlation with hepatosteatosis degree in obese/overweight (O/O) children. We analyzed adipokine levels of 81 children (49 O/O, [body mass index (BMI) > 95th] and 32 non-obese (BMI = 5-85th) admitted to the pediatric outpatient clinic. Serum triglyceride, glucose, low density lipoprotein-cholesterol, total cholesterol, high density lipoprotein-cholesterol, alanine aminotransferase, aspartate aminotransferase (AST), insulin, HbA1c levels and leptin, omentin-1, vaspin, adiponectin levels were studied. O/O children with hepatosteatosis were divided into grades 1, 2 and 3 according to the degree of hepatosteatosis determined by ultrasonography. While AST (p = 0.001), triglyceride (p = 0.006), BMI percentile (p = 0.000), HOMA index (p = 0.002), systolic blood pressure (p = 0.02), leptin (p = 0.001), omentin-1 (p = 0.001), adiponectin (p = 0.001) levels were higher, vaspin level was lower (p = 0.008) in the (O/O) group compared to the controls. There was a positive correlation between HDL and vaspin, and a negative correlation between HDL and omentin-1 in the O/O group. Also it was observed that as the degree of hepatosteotosis increased, leptin (p = 0.004), omentin-1 (p = 0.001) levels were increased. There was no significant change in vaspin level (p = 0.128). The high levels of omentin-1, leptin and adiponectin have an association with the development of hepatosteatosis in O/O children.
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Affiliation(s)
- Esra Akyüz Özkan
- Ondokuz Mayıs University Medical Faculty, Department of Pediatrics, Samsun 55139, Turkey
| | - Allahverdi Sadigov
- Yozgat Bozok University Medical Faculty, Department of Pediatrics, Yozgat 66200, Turkey
| | - Osman Öztürk
- Yozgat Bozok University Medical Faculty, Department of Pediatrics, Yozgat 66200, Turkey
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Therapeutic Effects of Resveratrol on Nonalcoholic Fatty Liver Disease Through Inflammatory, Oxidative Stress, Metabolic, and Epigenetic Modifications. METHODS IN MOLECULAR BIOLOGY (CLIFTON, N.J.) 2021; 2343:19-35. [PMID: 34473313 DOI: 10.1007/978-1-0716-1558-4_2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The prevalence of nonalcoholic fatty liver disease (NAFLD) is increasing around the world, in association with the progressive elevation in overweight and obesity. The accumulation of lipids in NAFLD patients contributes to the development of insulin resistance, inflammation and oxidative stress in hepatocytes, and alteration of blood lipids and glycaemia. There are currently no effective pharmacological therapies for NAFLD, although lifestyle and dietary modifications targeting weight reduction are among the prevailing alternative approaches. For this reason, new approaches should be investigated. The natural polyphenol resveratrol represents a potential new treatment for management of NAFLD due to anti-inflammatory and antioxidant properties. Although preclinical trials have demonstrated promising results of resveratrol against NALFD, the lack of conclusive results creates the need for more trials with larger numbers of patients, longer time courses, and standardized protocols.
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21
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Balak DMW, Piaserico S, Kasujee I. Non-Alcoholic Fatty Liver Disease (NAFLD) in Patients with Psoriasis: A Review of the Hepatic Effects of Systemic Therapies. PSORIASIS (AUCKLAND, N.Z.) 2021; 11:151-168. [PMID: 34909410 PMCID: PMC8665778 DOI: 10.2147/ptt.s342911] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 11/09/2021] [Indexed: 12/12/2022]
Abstract
There is increasing interest in the association between psoriasis and non-alcoholic fatty liver disease (NAFLD), which is a prevalent liver disease characterized by excessive fat storage and inflammation that can progress to fibrosis and cancer. Patients with psoriasis have a two-fold higher risk to develop NAFLD and a higher risk to progress to more severe liver disease. Psoriasis and NAFLD share common risk factors such as smoking, alcohol consumption, and the presence of metabolic syndrome and its component disorders. In addition, both psoriasis and NAFLD hinge upon a systemic low-grade inflammation that can lead to a vicious cycle of progressive liver damage in NAFLD as well as worsening of the underlying psoriasis. Other important shared pathophysiological pathways include peripheral insulin resistance and oxidative stress. NAFLD should receive clinical awareness as important comorbidity in psoriasis. In this review, we assess the recent literature on the epidemiological and pathophysiological relationship of psoriasis and NAFLD, discuss the clinical implications of NAFLD in psoriasis patients, and summarize the hepatotoxic and hepatoprotective potential of systemic psoriasis therapies.
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Affiliation(s)
- Deepak M W Balak
- Department of Dermatology, LangeLand Ziekenhuis, Zoetermeer, the Netherlands.,Department of Dermatology, Ghent University Hospital, Ghent, Belgium
| | - Stefano Piaserico
- Dermatology Unit, Department of Medicine, University of Padova, Padova, Italy
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22
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The promising role of CCL2 as a noninvasive marker for nonalcoholic steatohepatitis diagnosis in Egyptian populations. Eur J Gastroenterol Hepatol 2021; 33:e954-e960. [PMID: 34907983 DOI: 10.1097/meg.0000000000002324] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
BACKGROUND Nonalcoholic fatty liver disease (NAFLD) is a common liver problem, including both nonalcoholic fatty liver (NAFL) and nonalcoholic steatohepatitis (NASH). In this study, we investigated the role of CCL2 and IL6 as a noninvasive tool for the diagnosis of NASH in clinical practice and to establish criteria for discrimination NASH from NAFL in Egyptian populations with NAFLD. METHOD In addition to 30 healthy controls, serum samples from 66 NAFLD patients histologically diagnosed by biopsy (32 NAFL and 34 NASH) were analyzed for serum IL6, CCL2, liver biomarkers, complete blood count and lipid profile. Serum IL6 or CCL2 levels were tested for correlation with the NASH activity score (NAS score). RESULT Both IL6 and CCL2 were significantly upregulated in NASH patients compared with NAFL patients or control. Serum CCL2 was significantly correlated with the degree of hepatocytes ballooning (the diagnostic endpoint for NASH) without any significant correlation with steatosis or lobular inflammation. Serum IL6 was not correlated with the NAS score. The ROC curve analysis of CCL2 for NASH diagnosis revealed an area under curve (AUROC) of 0.959 at cutoff ≥227 pg/ml. While IL6 revealed an (AUROC) of 0.790. CONCLUSION Serum CCL2 but not IL6 is a promising noninvasive tool for NASH diagnosis and CCL2 can provide a reliable, validated scoring system to discriminate NAFL from NASH in the Egyptian population confirming the role of CCL2 in NASH pathogenesis. These findings will aid in the development of innovative NASH treatment strategies in Egypt and improve the quality of clinical care.
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23
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Yaqub S, Ananias P, Shah A, Luenam K, Jose AM, Melo JP, Turkistani A, Mohammed L. Decoding the Pathophysiology of Non-alcoholic Fatty Liver Disease Progressing to Non-alcoholic Steatohepatitis: A Systematic Review. Cureus 2021; 13:e18201. [PMID: 34722019 PMCID: PMC8544702 DOI: 10.7759/cureus.18201] [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: 06/14/2021] [Accepted: 09/22/2021] [Indexed: 11/24/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is the most common hepatic manifestation of metabolic syndromes, and its roots are strongly associated with obesity and insulin resistance. The excess fat induces inflammatory pathways by tissue irritation and progresses to non-alcoholic steatohepatitis (NASH), fibrosis, and has emerged as the most frequent cause of hepatocellular cancer (HCC). This systematic review was structured per the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) guidelines. The evidence was obtained from 13 research articles published in PubMed, Google Scholar, and Science Direct databases, including cross-sectional, case-control, prospective cohort studies, meta-analysis, and systematic reviews. The inclusion/exclusion criteria of free articles, published in English involving humans of mid-age in the last five years were applied. This review highlights findings in 7781 individuals, including non-NAFLD, NAFLD, and NASH positive individuals based on anthropometric measurement, blood samples, FibroScan, flow cytometry, and liver biopsy. The results underscored that the onset of inflammation set on the background of NAFLD starts NASH; the understanding and control of inflammation will help us design definitive biomarkers and treatment modalities. The complex pathogenesis and comparatively slow advancement but high morbidity have led investigators to understand the nuts and bolts for early management and prevention. Lipotoxicity and dysbiosis stimulate the immune system to generate cytokines and chemokines and decline in adipokines. The role of proteinase3 (PR3) and antitrypsin (ATT) ratio and biliverdin reductase (BVR) compel the exploration for non-invasive tests for definitive therapy.
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Affiliation(s)
- Sayma Yaqub
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA.,Public Health, University of Texas Health Science Center at Houston, Houston, USA
| | - Patricia Ananias
- Family Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Arpita Shah
- Family Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Kanita Luenam
- Family Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Arunima Mariya Jose
- Internal Medicine, Sree Gokulam Medical College and Research Foundation, Trivandrum, IND.,Psychology, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Joao Pedro Melo
- Pathology, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Arifa Turkistani
- Internal Medicine/Family Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Lubna Mohammed
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
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24
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Potoupni V, Georgiadou M, Chatzigriva E, Polychronidou G, Markou E, Zapantis Gakis C, Filimidou I, Karagianni M, Anastasilakis D, Evripidou K, Ftergioti A, Togkaridou M, Tsaftaridis N, Apostolopoulos A, Polyzos SA. Circulating tumor necrosis factor-α levels in non-alcoholic fatty liver disease: A systematic review and a meta-analysis. J Gastroenterol Hepatol 2021; 36:3002-3014. [PMID: 34289181 DOI: 10.1111/jgh.15631] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 05/22/2021] [Accepted: 07/17/2021] [Indexed: 12/22/2022]
Abstract
BACKGROUND AND AIM To synthesize data on circulating tumor necrosis factor (TNF)-α levels between patients with histologically confirmed non-alcoholic fatty liver disease (NAFLD) (simple steatosis or non-alcoholic fatty liver [NAFL] and/or non-alcoholic steatohepatitis [NASH]) and controls. METHODS We performed a systematic search in PubMed, Scopus, and Cochrane Library. Fifty-six studies, published between 2003 and 2019, were finally included, reporting data from 5848 individuals (1634 controls and 4214 NAFLD patients). RESULTS Higher circulating TNF-α levels were observed in NAFLD patients than controls (standardized mean difference [SMD] 0.84; 95% confidence interval [95% CI] 0.59-1.09), NAFL patients than controls (SMD 0.56; 95% CI 0.27-0.85), NASH patients than controls (SMD 0.93; 95% CI 0.64-1.22), and NASH than NAFL patients (SMD 0.31; 95% CI 0.16-0.46). There were only minimal changes in the comparisons between groups after excluding studies with morbidly obese populations (n = 11), or pediatric/adolescent populations (n = 6), or other than enzyme-linked immunosorbent assay method of TNF-α measurement (n = 8). There was high heterogeneity among studies in all comparisons, which was not essentially affected after sensitivity analyses. The meta-regression analysis revealed that the male ratio was positively associated with TNF-α SMD in the comparison between patients with NASH and NAFL (beta = 0.809; 95% CI 0.052-1.566) and accounted for 36% (P = 0.037) of the heterogeneity in this pair of comparison. TNF-α SMD was not associated with age, body mass index, and alanine aminotransferase in any pair of comparisons. CONCLUSIONS Circulating TNF-α levels were higher in patients with NAFLD compared with controls. Higher levels of circulating TNF-α were also associated with the severity of NAFLD.
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Affiliation(s)
- Victoria Potoupni
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Maria Georgiadou
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Eftychia Chatzigriva
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Georgia Polychronidou
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Erietta Markou
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Christos Zapantis Gakis
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Ioanna Filimidou
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Myriam Karagianni
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Dimitrios Anastasilakis
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Kleo Evripidou
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Argyro Ftergioti
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Marianthi Togkaridou
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Nikolaos Tsaftaridis
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Apostolos Apostolopoulos
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Stergios A Polyzos
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
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25
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Seo JY, Bae JH, Kwak MS, Yang JI, Chung SJ, Yim JY, Lim SH, Chung GE. The Risk of Colorectal Adenoma in Nonalcoholic or Metabolic-Associated Fatty Liver Disease. Biomedicines 2021; 9:1401. [PMID: 34680518 PMCID: PMC8533199 DOI: 10.3390/biomedicines9101401] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 09/30/2021] [Accepted: 10/01/2021] [Indexed: 02/06/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most common cause of liver disease associated with various metabolic disorders. Metabolic dysfunction-associated fatty liver disease (MAFLD) emphasizes metabolic dysfunction in NAFLD. Although the relationship between NAFLD and colorectal adenomas has been suggested, the effect of MAFLD on colorectal adenoma has yet to be investigated. In this study, we examined the relationship between NAFLD/MAFLD and colorectal adenoma in comparison with other metabolic factors. METHODS Examinees who underwent colonoscopy and abdominal ultrasonography on the same day from January 2012 to December 2012 were included. NAFLD was diagnosed according to the findings of ultrasonography. The Fibrosis-4 (FIB-4) index was used as a surrogate marker for advanced hepatic fibrosis. A logistic regression model was used to analyze the risk of NAFLD/MAFLD for colorectal adenoma. RESULTS The prevalence of NAFLD and MAFLD was 37.5% and 32.8%, respectively. In the multivariate analysis, male sex, older age, diabetes, and smoking increased the risk of colorectal adenoma. NAFLD and MAFLD were the most important risk factors for colorectal adenoma only in females [adjusted odds ratio (OR) 1.43 and 95% confidence interval (CI) 1.01-2.03, and OR 1.55, 95% CI 1.09-2.20, respectively]. NAFLD and MAFLD with an advanced fibrosis index were significantly associated with an increased risk of colorectal adenoma. (NAFLD: OR 1.38, 95% CI, 1.04-1.83, p = 0.027; MAFLD: OR 1.45, 95% CI, 1.13-1.96, p = 0.004, respectively). CONCLUSION NAFLD and MAFLD were significantly associated with a higher risk of colorectal adenomas, especially in females. NAFLD and MAFLD with advanced fibrosis were associated with an increased risk of colorectal adenoma. Colonoscopic examinations may be emphasized for patients with NAFLD/MAFLD, for women, or patients with the presence of hepatic fibrosis.
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Affiliation(s)
| | | | | | | | | | | | | | - Goh-Eun Chung
- Department of Internal Medicine and Healthcare Research Institute, Seoul National University Hospital Healthcare System Gangnam Center, 39FL., Gangnam Finance Center 737, Yeoksam-dong, Gangnam-gu, Seoul 135-984, Korea; (J.-Y.S.); (J.-H.B.); (M.-S.K.); (J.-I.Y.); (S.-J.C.); (J.-Y.Y.); (S.-H.L.)
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26
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Cao S, Liu M, Sehrawat TS, Shah VH. Regulation and functional roles of chemokines in liver diseases. Nat Rev Gastroenterol Hepatol 2021; 18:630-647. [PMID: 33976393 PMCID: PMC9036964 DOI: 10.1038/s41575-021-00444-2] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/18/2021] [Indexed: 02/03/2023]
Abstract
Inflammation is a major contributor to the pathogenesis of almost all liver diseases. Low-molecular-weight proteins called chemokines are the main drivers of liver infiltration by immune cells such as macrophages, neutrophils and others during an inflammatory response. During the past 25 years, tremendous progress has been made in understanding the regulation and functions of chemokines in the liver. This Review summarizes three main aspects of the latest advances in the study of chemokine function in liver diseases. First, we provide an overview of chemokine biology, with a particular focus on the genetic and epigenetic regulation of chemokine transcription as well as on the cell type-specific production of chemokines by liver cells and liver-associated immune cells. Second, we highlight the functional roles of chemokines in liver homeostasis and their involvement in progression to disease in both human and animal models. Third, we discuss the therapeutic opportunities targeting chemokine production and signalling in the treatment of liver diseases, such as alcohol-associated liver disease and nonalcoholic steatohepatitis, including the relevant preclinical studies and ongoing clinical trials.
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27
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Han D, Chen J, Liu S, Zhang Z, Zhao Z, Jin W, Xin Y. Serum Resistin Levels in Adult Patients with Nonalcoholic Fatty Liver Disease: A Systematic Review and Meta-analysis. J Clin Transl Hepatol 2021; 9:484-493. [PMID: 34447677 PMCID: PMC8369026 DOI: 10.14218/jcth.2021.00018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 03/19/2021] [Accepted: 04/09/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND AND AIMS Previous studies reported that serum resistin levels were remarkably changed in patients with nonalcoholic fatty liver disease (NAFLD) but the conclusions were inconsistent. The aim of this study was to investigate accurate serum resistin levels in adult patients with NAFLD. METHODS A complete literature research was conducted in the PubMed, Embase, and Cochrane Library databases, and all the available studies up to 7 May 2020 were reviewed. The pooled standardized mean difference (SMD) values were calculated to investigate the serum resistin levels in patients with NAFLD and healthy controls. RESULTS A total of 28 studies were included to investigate the serum resistin levels in patients with NAFLD. Patients with NAFLD had higher serum resistin levels than controls (SMD=0.522, 95% confidence interval [CI]: 0.004-1.040, I 2=95.9%). Patients with nonalcoholic steatohepatitis (NASH) had lower serum resistin levels than the healthy controls (SMD=-0.44, 95% CI: -0.83-0.55, I 2=74.5%). In addition, no significant difference of serum resistin levels was observed between patients with NAFL and healthy controls (SMD=-0.34, 95% CI: -0.91-0.23, I 2=79.6%) and between patients with NAFL and NASH (SMD=0.15, 95% CI: -0.06-0.36, I 2=0.00%). Furthermore, subgroup and sensitivity analyses suggested that heterogeneity did not affect the results of meta-analysis. CONCLUSIONS This meta-analysis investigated the serum resistin levels in adult patients with NAFLD comprehensively. Patients with NAFLD had higher serum resistin levels and patients with NASH had lower serum resistin levels than healthy controls. Serum resistin could serve as a potential biomarker to predict the development risk of NAFLD.
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Affiliation(s)
- Dongli Han
- Department of Infectious Disease, Qingdao Municipal Hospital, Dalian Medical University, Dalian, Liaoning, China
| | - Jie Chen
- Qingdao City Shinan District Centers for Disease Control and Prevention, Qingdao, Shandong, China
| | - Shousheng Liu
- Clinical Research Center, Qingdao Municipal Hospital, Qingdao, Shandong, China
| | - Zengzhi Zhang
- Qingdao City Shinan District Centers for Disease Control and Prevention, Qingdao, Shandong, China
| | - Zhenzhen Zhao
- Clinical Research Center, Qingdao Municipal Hospital, Qingdao, Shandong, China
| | - Wenwen Jin
- Department of Infectious Disease, Qingdao Municipal Hospital, Dalian Medical University, Dalian, Liaoning, China
- Correspondence to: Yongning Xin and Wenwen Jin, Department of Infectious Disease, Qingdao Municipal Hospital, 1 Jiaozhou Road, Qingdao, Shandong 266011, China. Tel: +86-532-82789463, Fax: +86-532-85968434, E-mail: (YX) or (WJ)
| | - Yongning Xin
- Department of Infectious Disease, Qingdao Municipal Hospital, Dalian Medical University, Dalian, Liaoning, China
- Digestive Disease Key Laboratory of Qingdao, Qingdao, Shandong, China
- Correspondence to: Yongning Xin and Wenwen Jin, Department of Infectious Disease, Qingdao Municipal Hospital, 1 Jiaozhou Road, Qingdao, Shandong 266011, China. Tel: +86-532-82789463, Fax: +86-532-85968434, E-mail: (YX) or (WJ)
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28
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Chang E, Chang JS, Kong ID, Baik SK, Kim MY, Park KS. Multidimensional Biomarker Analysis Including Mitochondrial Stress Indicators for Nonalcoholic Fatty Liver Disease. Gut Liver 2021; 16:171-189. [PMID: 34420934 PMCID: PMC8924798 DOI: 10.5009/gnl210106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 06/15/2021] [Accepted: 06/22/2021] [Indexed: 11/22/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is accompanied by a complex and multifactorial pathogenesis with sequential progressions from inflammation to fibrosis and then to cancer. This heterogeneity interferes with the development of precise diagnostic and prognostic strategies for NAFLD. The current approach for the diagnosis of simple steatosis, steatohepatitis, and cirrhosis mainly consists of ultrasonography, magnetic resonance imaging, elastography, and various serological analyses. However, individual dry and wet biomarkers have limitations demanding an integrative approach for the assessment of disease progression. Here, we review diagnostic strategies for simple steatosis, steatohepatitis and hepatic fibrosis, followed by potential biomarkers associated with fat accumulation and mitochondrial stress. For mitochondrial stress indicators, we focused on fibroblast growth factor 21 (FGF21), growth differentiation factor 15 (GDF15), angiopoietin-related growth factor and mitochondrial-derived peptides. Each biomarker may not strongly indicate the severity of steatosis or steatohepatitis. Instead, multidimensional analysis of different groups of biomarkers based on pathogenic mechanisms may provide decisive diagnostic/prognostic information to develop a therapeutic plan for patients with NAFLD. For this purpose, mitochondrial stress indicators, such as FGF21 or GDF15, could be an important component in the multiplexed and contextual interpretation of NAFLD. Further validation of the integrative evaluation of mitochondrial stress indicators combined with other biomarkers is needed in the diagnosis/prognosis of NAFLD.
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Affiliation(s)
- Eunha Chang
- Department of Physiology, Yonsei University Wonju College of Medicine, Wonju, Korea.,Department of Mitohormesis Research Center, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Jae Seung Chang
- Department of Mitohormesis Research Center, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - In Deok Kong
- Department of Physiology, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Soon Koo Baik
- Department of Mitohormesis Research Center, Yonsei University Wonju College of Medicine, Wonju, Korea.,Department of Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Moon Young Kim
- Department of Mitohormesis Research Center, Yonsei University Wonju College of Medicine, Wonju, Korea.,Department of Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Kyu-Sang Park
- Department of Physiology, Yonsei University Wonju College of Medicine, Wonju, Korea.,Department of Mitohormesis Research Center, Yonsei University Wonju College of Medicine, Wonju, Korea
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29
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Fontes-Cal TCM, Mattos RT, Medeiros NI, Pinto BF, Belchior-Bezerra M, Roque-Souza B, Dutra WO, Ferrari TCA, Vidigal PVT, Faria LC, Couto CA, Gomes JAS. Crosstalk Between Plasma Cytokines, Inflammation, and Liver Damage as a New Strategy to Monitoring NAFLD Progression. Front Immunol 2021; 12:708959. [PMID: 34447378 PMCID: PMC8383065 DOI: 10.3389/fimmu.2021.708959] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 07/27/2021] [Indexed: 12/12/2022] Open
Abstract
Cytokines are involved in the immunopathogenesis of nonalcoholic fatty liver disease (NAFLD), but the relationship between them and clinical parameters of NAFLD progression is still unknown. Using flow cytometry, we evaluated the plasma levels of IL-1β, IL-6, IL-12, TNF and IL-10 and their association with clinical and biochemical parameters of liver function during simple steatosis (NAFL) and nonalcoholic steatohepatitis (NASH) in biopsy-proven patients. The NASH patients showed higher levels of IL-6 associated with a lower IL-10/IL-6 ratio. Besides heatmaps were similar in the NAFL and NASH groups, the same did not occur in signature curves, the NASH patients were high producers to IL-12 and IL-6 while the NAFL patients were not high producers of any cytokines evaluated. Integrative biomarker network analysis revealed that cytokines are differently correlated with clinical parameters, while IL-12, IL-10 presented moderate and negative correlations with glycemic and lipid profile in the NAFL group. The NASH group IL-12 and TNF revealed stronger and positive correlations with transient elastography parameters and NAFLD liver fibrosis score. These data suggest that IL-6 and IL-10 might act in chronic inflammation and insulin resistance whereas IL-12 and TNF may be involved in promoting liver damage and NAFLD progression. Plasma concentration analysis of these molecules and their association with clinical parameters can be used as new biomarkers to monitoring NAFLD progression and to reflect NASH development.
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Affiliation(s)
- Tereza C. M. Fontes-Cal
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Rafael T. Mattos
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Nayara I. Medeiros
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Imunologia Celular e Molecular, Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Brazil
| | - Bruna F. Pinto
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Mayara Belchior-Bezerra
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Bruna Roque-Souza
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Walderez O. Dutra
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Instituto Nacional de Ciência e Tecnologia em Doenças Topicais, INCT-DT, Belo Horizonte, Brazil
| | - Teresa C. A. Ferrari
- Instituto Alfa de Gastroenterologia, Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Paula V. T. Vidigal
- Departamento de Anatomia Patológica e Medicina Legal, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Luciana C. Faria
- Instituto Alfa de Gastroenterologia, Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Cláudia A. Couto
- Instituto Alfa de Gastroenterologia, Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Juliana A. S. Gomes
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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30
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Santos-Sánchez G, Cruz-Chamorro I, Álvarez-Ríos AI, Fernández-Santos JM, Vázquez-Román MV, Rodríguez-Ortiz B, Álvarez-Sánchez N, Álvarez-López AI, Millán-Linares MDC, Millán F, Pedroche J, Fernández-Pachón MS, Lardone PJ, Guerrero JM, Bejarano I, Carrillo-Vico A. Lupinus angustifolius Protein Hydrolysates Reduce Abdominal Adiposity and Ameliorate Metabolic Associated Fatty Liver Disease (MAFLD) in Western Diet Fed-ApoE -/- Mice. Antioxidants (Basel) 2021; 10:antiox10081222. [PMID: 34439470 PMCID: PMC8388992 DOI: 10.3390/antiox10081222] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 07/21/2021] [Accepted: 07/26/2021] [Indexed: 12/11/2022] Open
Abstract
Metabolic-associated fatty liver disease (MAFLD) is the most important cause of liver disease worldwide. It is characterized by the accumulation of fat in the liver and is closely associated with abdominal obesity. In addition, oxidative stress and inflammation are significant features involved in MAFLD. Recently, our group demonstrated that lupin protein hydrolysates (LPHs) had lipid lowering, antioxidant, and anti-inflammatory effects. Sixty male mice fed with a Western diet were intragastrically treated with LPHs (or vehicle) for 12 weeks. Liver and adipose tissue lipid accumulation and hepatic inflammatory and oxidant status were evaluated. A significant decrease in steatosis was observed in LPHs-treated mice, which presented a decreased gene expression of CD36 and LDL-R, crucial markers in MAFLD. In addition, LPHs increased the hepatic total antioxidant capacity and reduced the hepatic inflammatory status. Moreover, LPHs-treated mice showed a significant reduction in abdominal adiposity. This is the first study to show that the supplementation with LPHs markedly ameliorates the generation of the steatotic liver caused by the intake of a Western diet and reduces abdominal obesity in ApoE−/− mice. Future clinical trials should shed light on the effects of LPHs on MAFLD.
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Affiliation(s)
- Guillermo Santos-Sánchez
- Instituto de Biomedicina de Sevilla, IBiS (Universidad de Sevilla, HUVR, Junta de Andalucía, CSIC), 41013 Seville, Spain; (G.S.-S.); (B.R.-O.); (N.Á.-S.); (A.I.Á.-L.); (P.J.L.); (J.M.G.); (I.B.)
- Departamento de Bioquímica Médica y Biología Molecular e Inmunología, Universidad de Sevilla, 41009 Seville, Spain
| | - Ivan Cruz-Chamorro
- Instituto de Biomedicina de Sevilla, IBiS (Universidad de Sevilla, HUVR, Junta de Andalucía, CSIC), 41013 Seville, Spain; (G.S.-S.); (B.R.-O.); (N.Á.-S.); (A.I.Á.-L.); (P.J.L.); (J.M.G.); (I.B.)
- Departamento de Bioquímica Médica y Biología Molecular e Inmunología, Universidad de Sevilla, 41009 Seville, Spain
- Correspondence: (I.C.-C.); (A.C.-V.); Tel.: +34-955-923-106 (I.C.-C. & A.C.-V.)
| | - Ana Isabel Álvarez-Ríos
- Departamento de Bioquímica Clínica, Unidad de Gestión de Laboratorios, Hospital Universitario Virgen del Rocío, 41013 Seville, Spain;
| | - José María Fernández-Santos
- Departamento Citología e Histología Normal y Patológica, Universidad de Sevilla, 41009 Seville, Spain; (J.M.F.-S.); (M.V.V.-R.)
| | - María Victoria Vázquez-Román
- Departamento Citología e Histología Normal y Patológica, Universidad de Sevilla, 41009 Seville, Spain; (J.M.F.-S.); (M.V.V.-R.)
| | - Beatriz Rodríguez-Ortiz
- Instituto de Biomedicina de Sevilla, IBiS (Universidad de Sevilla, HUVR, Junta de Andalucía, CSIC), 41013 Seville, Spain; (G.S.-S.); (B.R.-O.); (N.Á.-S.); (A.I.Á.-L.); (P.J.L.); (J.M.G.); (I.B.)
| | - Nuria Álvarez-Sánchez
- Instituto de Biomedicina de Sevilla, IBiS (Universidad de Sevilla, HUVR, Junta de Andalucía, CSIC), 41013 Seville, Spain; (G.S.-S.); (B.R.-O.); (N.Á.-S.); (A.I.Á.-L.); (P.J.L.); (J.M.G.); (I.B.)
| | - Ana Isabel Álvarez-López
- Instituto de Biomedicina de Sevilla, IBiS (Universidad de Sevilla, HUVR, Junta de Andalucía, CSIC), 41013 Seville, Spain; (G.S.-S.); (B.R.-O.); (N.Á.-S.); (A.I.Á.-L.); (P.J.L.); (J.M.G.); (I.B.)
- Departamento de Bioquímica Médica y Biología Molecular e Inmunología, Universidad de Sevilla, 41009 Seville, Spain
| | | | - Francisco Millán
- Department of Food & Health, Instituto de la Grasa, CSIC, Ctra, Utrera Km 1, 41013 Seville, Spain; (F.M.); (J.P.)
| | - Justo Pedroche
- Department of Food & Health, Instituto de la Grasa, CSIC, Ctra, Utrera Km 1, 41013 Seville, Spain; (F.M.); (J.P.)
| | - María Soledad Fernández-Pachón
- Área de Nutrición y Bromatología, Departamento de Biología Molecular e Ingeniería Bioquímica, Universidad Pablo de Olavide, Ctra Utrera Km 1, 41013 Seville, Spain;
| | - Patricia Judith Lardone
- Instituto de Biomedicina de Sevilla, IBiS (Universidad de Sevilla, HUVR, Junta de Andalucía, CSIC), 41013 Seville, Spain; (G.S.-S.); (B.R.-O.); (N.Á.-S.); (A.I.Á.-L.); (P.J.L.); (J.M.G.); (I.B.)
- Departamento de Bioquímica Médica y Biología Molecular e Inmunología, Universidad de Sevilla, 41009 Seville, Spain
| | - Juan Miguel Guerrero
- Instituto de Biomedicina de Sevilla, IBiS (Universidad de Sevilla, HUVR, Junta de Andalucía, CSIC), 41013 Seville, Spain; (G.S.-S.); (B.R.-O.); (N.Á.-S.); (A.I.Á.-L.); (P.J.L.); (J.M.G.); (I.B.)
- Departamento de Bioquímica Médica y Biología Molecular e Inmunología, Universidad de Sevilla, 41009 Seville, Spain
- Departamento de Bioquímica Clínica, Unidad de Gestión de Laboratorios, Hospital Universitario Virgen del Rocío, 41013 Seville, Spain;
| | - Ignacio Bejarano
- Instituto de Biomedicina de Sevilla, IBiS (Universidad de Sevilla, HUVR, Junta de Andalucía, CSIC), 41013 Seville, Spain; (G.S.-S.); (B.R.-O.); (N.Á.-S.); (A.I.Á.-L.); (P.J.L.); (J.M.G.); (I.B.)
- Departamento de Bioquímica Médica y Biología Molecular e Inmunología, Universidad de Sevilla, 41009 Seville, Spain
| | - Antonio Carrillo-Vico
- Instituto de Biomedicina de Sevilla, IBiS (Universidad de Sevilla, HUVR, Junta de Andalucía, CSIC), 41013 Seville, Spain; (G.S.-S.); (B.R.-O.); (N.Á.-S.); (A.I.Á.-L.); (P.J.L.); (J.M.G.); (I.B.)
- Departamento de Bioquímica Médica y Biología Molecular e Inmunología, Universidad de Sevilla, 41009 Seville, Spain
- Correspondence: (I.C.-C.); (A.C.-V.); Tel.: +34-955-923-106 (I.C.-C. & A.C.-V.)
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Wang X, Liu D, Wang Z, Cai C, Jiang H, Yu G. Porphyran-derived oligosaccharides alleviate NAFLD and related cecal microbiota dysbiosis in mice. FASEB J 2021; 35:e21458. [PMID: 33948987 DOI: 10.1096/fj.202000763rrr] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 02/02/2021] [Accepted: 02/03/2021] [Indexed: 12/18/2022]
Abstract
Porphyran and its derivatives possess a variety of biological activities, such as ameliorations of oxidative stress, inflammation, hyperlipemia, and immune deficiencies. In this study, we evaluated the potential efficacy of porphyran-derived oligosaccharides from Porphyra yezoensis (PYOs) in alleviating nonalcoholic fatty liver disease (NAFLD) and preliminarily clarified the underlying mechanism. NAFLD was induced by a high-fat diet for six months in C57BL/6J mice, followed by treatment with PYOs (100 or 300 mg/kg/d) for another six weeks. We found that PYOs reduced hepatic oxidative stress in mice with NAFLD, which plays a critical role in the occurrence and development of NAFLD. In addition, PYOs could markedly decrease lipid accumulation in liver by activating the IRS-1/AKT/GSK-3β signaling pathway and the AMPK signaling pathway in mice with NAFLD. PYOs also apparently relieved the hepatic fibrosis induced by oxidative stress via downregulation of TGF-β and its related proteins, so that liver injury was markedly alleviated. Furthermore, PYOs treatment relieved cecal microbiota dysbiosis (such as increasing the relative abundance of Akkermansia, while decreasing the Helicobacter abundance), which could alleviate oxidative stress, inflammation, and lipid metabolism, and protect the liver to a certain degree. In summary, PYOs treatment remarkably improved NAFLD via a specific molecular mechanism and reshaped the cecal microbiota.
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Affiliation(s)
- Xueliang Wang
- Key Laboratory of Marine Drugs of Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China
| | - Di Liu
- Key Laboratory of Marine Drugs of Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China
| | - Zhe Wang
- Key Laboratory of Marine Drugs of Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China
| | - Chao Cai
- Key Laboratory of Marine Drugs of Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China
| | - Hao Jiang
- Key Laboratory of Marine Drugs of Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China
| | - Guangli Yu
- Key Laboratory of Marine Drugs of Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China
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Serum Visfatin Levels in Nonalcoholic Fatty Liver Disease and Liver Fibrosis: Systematic Review and Meta-Analysis. J Clin Med 2021; 10:jcm10143029. [PMID: 34300193 PMCID: PMC8306785 DOI: 10.3390/jcm10143029] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 07/01/2021] [Accepted: 07/03/2021] [Indexed: 01/30/2023] Open
Abstract
(1) Background: Recently, adipokines, including visfatin, have been studied in nonalcoholic fatty liver disease (NAFLD). Several studies evaluated visfatin levels in NAFLD, the presence and severity of hepatic steatosis, liver fibrosis, lobar inflammation, nonalcoholic steatohepatitis (NASH), and gender differences. However, inconclusive results have been reported. Accordingly, we performed a systematic review and meta-analysis, aiming to address these gaps in evidence. (2) Methods: We performed a systematic electronic search on PubMed, EMBASE, and Cochrane Library using predefined keywords. Diagnosis of NAFLD by liver biopsy or imagistic investigations was accepted. Full articles satisfying our inclusion and exclusion criteria were included. NHLBI quality assessment tools were used to evaluate included studies. The principal summary outcome was the mean difference in visfatin levels. (3) Results: There were 21 studies involving 1923 individuals included in our qualitative assessment, while 14 studies were included in the quantitative assessment. No statistical significance was found assessing visfatin levels in NAFLD [3.361 (95% CI -0.175-6.897)], simple steatosis [7.523 (95% CI -16.221-31.267)], hepatic steatosis severity [-0.279 (95% CI -1.843-1.285)], liver fibrosis [4.133 (95% CI -3.176-11.443)], lobar inflammation [0.358 (95% CI -1.470-2.185)], NASH [-2.038 (95% CI -6.839-2.763)], and gender [(95% CI -0.554-0.556)]. (4) Conclusions: In conclusion, visfatin levels are not associated with NAFLD, presence or severity of hepatic steatosis, liver fibrosis, lobar inflammation, NASH, and gender. However, due to the limited methodological quality of the included studies, results should be interpreted with caution.
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Hempel F, Roderfeld M, Müntnich LJ, Albrecht J, Oruc Z, Arneth B, Karrasch T, Pons-Kühnemann J, Padberg W, Renz H, Schäffler A, Roeb E. Caspase-Cleaved Keratin 18 Measurements Identified Ongoing Liver Injury after Bariatric Surgery. J Clin Med 2021; 10:jcm10061233. [PMID: 33809676 PMCID: PMC8002276 DOI: 10.3390/jcm10061233] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/09/2021] [Accepted: 03/11/2021] [Indexed: 12/30/2022] Open
Abstract
Bariatric surgery has emerged as an effective treatment option in morbidly obese patients with non-alcoholic fatty liver disease (NAFLD). However, worsening or new onset of non-alcoholic steatohepatitis (NASH) and fibrosis have been observed. Caspase-cleaved keratin 18 (ccK18) has been established as a marker of hepatocyte apoptosis, a key event in NASH development. Thus, ccK18 measurements might be feasible to monitor bariatric surgery patients. Clinical data and laboratory parameters were collected from 39 patients undergoing laparoscopic Roux-en-Y gastric bypass at six timepoints, prior to surgery until one year after the procedure. ccK18 levels were measured and a high-throughput analysis of serum adipokines and cytokines was carried out. Half of the cohort’s patients (20/39) presented with ccK18 levels indicative of progressed liver disease. 21% had a NAFLD-fibrosis score greater than 0.676, suggesting significant fibrosis. One year after surgery, a mean weight loss of 36.87% was achieved. Six and twelve months after surgery, ccK18 fragments were significantly reduced compared to preoperative levels (p < 0.001). Yet nine patients did not show a decline in ccK18 levels ≥ 10% within one year postoperatively, which was considered a response to treatment. While no significant differences in laboratory parameters or ccK18 could be observed, they presented with a greater expression of leptin and fibrinogen before surgery. Consecutive ccK18 measurements monitored the resolution of NAFLD and identified non-responders to bariatric surgery with ongoing liver injury. Further studies are needed to elicit the pathological mechanisms in non-responders and study the potential of adipokines as prognostic markers.
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Affiliation(s)
- Felix Hempel
- Department of Gastroenterology, Justus Liebig University, D-35392 Giessen, Germany; (F.H.); (M.R.); (L.J.M.)
| | - Martin Roderfeld
- Department of Gastroenterology, Justus Liebig University, D-35392 Giessen, Germany; (F.H.); (M.R.); (L.J.M.)
| | - Lucas John Müntnich
- Department of Gastroenterology, Justus Liebig University, D-35392 Giessen, Germany; (F.H.); (M.R.); (L.J.M.)
| | - Jens Albrecht
- Department of General, Visceral, Thoracic, Transplantation, and Pediatric Surgery, Justus Liebig University, D-35392 Giessen, Germany; (J.A.); (Z.O.); (W.P.)
- Department for Bariatric Surgery, Asklepios Hospital, D-35423 Lich, Germany
| | - Ziya Oruc
- Department of General, Visceral, Thoracic, Transplantation, and Pediatric Surgery, Justus Liebig University, D-35392 Giessen, Germany; (J.A.); (Z.O.); (W.P.)
| | - Borros Arneth
- Institute of Laboratory Medicine, Pathobiochemistry and Molecular Diagnostics, Justus Liebig University, D-35392 Giessen, Germany; (B.A.); (H.R.)
- The German Lung Center (DZL) and the Universities of Giessen and Marburg Lung Center (UGMLC), D-35392 Giessen, Germany
| | - Thomas Karrasch
- Department of Internal Medicine III, Justus Liebig University, D-35392 Giessen, Germany; (T.K.); (A.S.)
| | - Jörn Pons-Kühnemann
- Institute of Medical Informatics, Justus Liebig University, D-35392 Giessen, Germany;
| | - Winfried Padberg
- Department of General, Visceral, Thoracic, Transplantation, and Pediatric Surgery, Justus Liebig University, D-35392 Giessen, Germany; (J.A.); (Z.O.); (W.P.)
| | - Harald Renz
- Institute of Laboratory Medicine, Pathobiochemistry and Molecular Diagnostics, Justus Liebig University, D-35392 Giessen, Germany; (B.A.); (H.R.)
- The German Lung Center (DZL) and the Universities of Giessen and Marburg Lung Center (UGMLC), D-35392 Giessen, Germany
| | - Andreas Schäffler
- Department of Internal Medicine III, Justus Liebig University, D-35392 Giessen, Germany; (T.K.); (A.S.)
| | - Elke Roeb
- Department of Gastroenterology, Justus Liebig University, D-35392 Giessen, Germany; (F.H.); (M.R.); (L.J.M.)
- Correspondence: ; Tel.: +49-(0)-641-98542338
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34
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Namachivayam A, Valsala Gopalakrishnan A. A review on molecular mechanism of alcoholic liver disease. Life Sci 2021; 274:119328. [PMID: 33711388 DOI: 10.1016/j.lfs.2021.119328] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 02/13/2021] [Accepted: 03/01/2021] [Indexed: 02/06/2023]
Abstract
Excessive alcohol consumption leads to damage to the organs of the body. More importantly, the liver is majorly affected organ upon alcohol consumption for most of the people; it causes inflammation and affects various pathways involved in metabolism. If the person is with high response of inflammatory in conduct with alcohol leads to the liver damage, which involves the creating effects with major cycle leads to homeostasis. In this review, we summarize the molecular mechanisms of alcoholic liver disease, such as the important role of genes, risk factors, pathogenicity, and role of micro RNA, the role of inflammation in the liver, and alcoholic fibrosis in the liver. There is increased oxidative stress, change in the biochemical alterations, and reduction in the antioxidant enzymes. These changes in the mechanism lead to liver injury. Hepatocyte nuclear factor-4 is the major transcriptional factor for the regulation of some genes involved in the lipid metabolism and oxidation process; with the help of the agonist, we can attenuate the level of the gene in the site of hepatic tissues, which will prevent the homeostatic condition. This review shows a clear view of the various pathways involved in alcohol consumption, which helps in the prevention of ALD using an agonist.
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Affiliation(s)
- Arunraj Namachivayam
- Department of Biomedical Sciences, School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu 632014, India
| | - Abilash Valsala Gopalakrishnan
- Department of Biomedical Sciences, School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu 632014, India.
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Shi Y, Su W, Zhang L, Shi C, Zhou J, Wang P, Wang H, Shi X, Wei S, Wang Q, Auwerx J, Schoonjans K, Yu Y, Pan R, Zhou H, Lu L. TGR5 Regulates Macrophage Inflammation in Nonalcoholic Steatohepatitis by Modulating NLRP3 Inflammasome Activation. Front Immunol 2021; 11:609060. [PMID: 33692776 PMCID: PMC7937818 DOI: 10.3389/fimmu.2020.609060] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 12/30/2020] [Indexed: 12/30/2022] Open
Abstract
Nonalcoholic steatohepatitis (NASH) is a chronic liver disease associated with dysregulation of liver metabolism and inflammation. G-protein coupled bile acid receptor 1 (TGR5) is a cell surface receptor that is involved in multiple metabolic pathways. However, the functions of TGR5 in regulating macrophage innate immune activation in NASH remain unclear. Here, we found that TGR5 expression was decreased in liver tissues from humans and mice with NASH. Compared to wild type (WT) mice, TGR5-knockout (TGR5−/−) mice exhibited exacerbated liver damage, increased levels of proinflammatory factors, and enhanced M1 macrophage polarization. Moreover, TGR5 deficiency facilitated M1 macrophage polarization by promoting NLRP3 inflammasome activation and caspase-1 cleavage. Taken together, our findings revealed that TGR5 signaling attenuated liver steatosis and inflammation and inhibited NLRP3-mediated M1 macrophage polarization in NASH.
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Affiliation(s)
- Yong Shi
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, The Affiliated Cancer Hospital (Jiangsu Cancer Hospital), Nanjing Medical University, Nanjing, China.,Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University & Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China.,State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.,Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer Medicine, Nanjing Medical University, Nanjing, China
| | - Wantong Su
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, The Affiliated Cancer Hospital (Jiangsu Cancer Hospital), Nanjing Medical University, Nanjing, China.,Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University & Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China.,State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.,Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer Medicine, Nanjing Medical University, Nanjing, China
| | - Lei Zhang
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, The Affiliated Cancer Hospital (Jiangsu Cancer Hospital), Nanjing Medical University, Nanjing, China.,Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University & Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China.,State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.,Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer Medicine, Nanjing Medical University, Nanjing, China
| | - Chengyu Shi
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, The Affiliated Cancer Hospital (Jiangsu Cancer Hospital), Nanjing Medical University, Nanjing, China.,Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University & Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China.,State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.,Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer Medicine, Nanjing Medical University, Nanjing, China
| | - Jinren Zhou
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, The Affiliated Cancer Hospital (Jiangsu Cancer Hospital), Nanjing Medical University, Nanjing, China.,Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University & Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China.,State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.,Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer Medicine, Nanjing Medical University, Nanjing, China
| | - Peng Wang
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, The Affiliated Cancer Hospital (Jiangsu Cancer Hospital), Nanjing Medical University, Nanjing, China.,Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University & Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China.,State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.,Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer Medicine, Nanjing Medical University, Nanjing, China
| | - Hao Wang
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, The Affiliated Cancer Hospital (Jiangsu Cancer Hospital), Nanjing Medical University, Nanjing, China.,Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University & Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China.,State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.,Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer Medicine, Nanjing Medical University, Nanjing, China
| | - Xiaoli Shi
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, The Affiliated Cancer Hospital (Jiangsu Cancer Hospital), Nanjing Medical University, Nanjing, China.,Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University & Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China.,State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.,Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer Medicine, Nanjing Medical University, Nanjing, China
| | - Song Wei
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, The Affiliated Cancer Hospital (Jiangsu Cancer Hospital), Nanjing Medical University, Nanjing, China.,Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University & Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China.,State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.,Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer Medicine, Nanjing Medical University, Nanjing, China
| | - Qi Wang
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, The Affiliated Cancer Hospital (Jiangsu Cancer Hospital), Nanjing Medical University, Nanjing, China.,Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University & Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China.,State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.,Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer Medicine, Nanjing Medical University, Nanjing, China
| | - Johan Auwerx
- Metabolic Signaling, School of Life Sciences, Institute of Bioengineering, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
| | - Kristina Schoonjans
- Metabolic Signaling, School of Life Sciences, Institute of Bioengineering, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
| | - Yue Yu
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, The Affiliated Cancer Hospital (Jiangsu Cancer Hospital), Nanjing Medical University, Nanjing, China.,Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University & Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China.,State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.,Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer Medicine, Nanjing Medical University, Nanjing, China
| | - Rui Pan
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, The Affiliated Cancer Hospital (Jiangsu Cancer Hospital), Nanjing Medical University, Nanjing, China
| | - Haoming Zhou
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, The Affiliated Cancer Hospital (Jiangsu Cancer Hospital), Nanjing Medical University, Nanjing, China.,Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University & Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China.,State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.,Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer Medicine, Nanjing Medical University, Nanjing, China
| | - Ling Lu
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, The Affiliated Cancer Hospital (Jiangsu Cancer Hospital), Nanjing Medical University, Nanjing, China.,Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University & Research Unit of Liver Transplantation and Transplant Immunology, Chinese Academy of Medical Sciences, Nanjing, China.,State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.,Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Personalized Cancer Medicine, Nanjing Medical University, Nanjing, China
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Strand R, Kullberg J, Ahlström H, Lind L. Relationships between plasma levels and six proinflammatory interleukins and body composition using a new magnetic resonance imaging voxel-based technique. Cytokine X 2021; 3:100050. [PMID: 33604566 PMCID: PMC7885882 DOI: 10.1016/j.cytox.2020.100050] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 10/16/2020] [Accepted: 12/15/2020] [Indexed: 12/20/2022] Open
Abstract
IL-1RA and IL-6 levels were related to traditional DXA and MRI measurements of adipose tissue. Neither IL-6R nor IL-8 or IL-18 showed strong relationships vs the traditional measurements. Weak relationships between IL-16 levels and trunk SAT volume was found by Imiomics. On the contrary, IL-8 levels were related to a reduction of SAT volume.
Background Obesity has previously been linked to inflammation. Here we investigated how plasma levels of six interleukins were related to body fat distribution. Methods In 321 subjects, all aged 50 years, in the population-based POEM study (mean BMI 26–27 kg/m2), six interleukins were measured together with a DXA scan for determination of fat and lean mass. Also a whole-body magnetic resonance imaging (MRI) scan, in which fat content measurements were acquired in > 1 million voxels was performed. Interleukin levels were related to each of these voxels by the voxel-based technique “Imiomics” to create a 3D-view of how these measurements were related to size of each part of the body. Results Levels of IL-1RA and IL-6 were related to traditional DXA and MRI measurements of adipose tissue at all locations. Neither IL-6R, nor IL-8 or IL-18, showed any consistent significant relationships vs the traditional measurements of body composition, while IL-16 showed relationships being of borderline significance. The Imiomics evaluation further strengthen the view that IL-1RA and IL-6 were related to subcutaneous adipose tissue (SAT), as well to ectopic fat distribution. In women, IL-16 levels were weakly related to expansion of SAT in the upper part of the body, while on the contrary, IL-8 levels were related to a reduction of SAT volume. Conclusion Of the six evaluated interleukins, plasma IL-1RA and IL-6 levels were related to the amount of adipose tissue in all parts of the body, while a diverse picture was seen for other interleukins, suggesting that different interleukins are related to fat distribution in different ways.
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Affiliation(s)
- Robin Strand
- Division of Radiology, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden.,Department of Information Technology, Uppsala University, Uppsala, Sweden
| | - Joel Kullberg
- Division of Radiology, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden.,Antaros Medical AB, BioVenture Hub, Mölndal, Sweden
| | - Håkan Ahlström
- Division of Radiology, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden.,Antaros Medical AB, BioVenture Hub, Mölndal, Sweden
| | - Lars Lind
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
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Lambrecht J, Tacke F. Controversies and Opportunities in the Use of Inflammatory Markers for Diagnosis or Risk Prediction in Fatty Liver Disease. Front Immunol 2021; 11:634409. [PMID: 33633748 PMCID: PMC7900147 DOI: 10.3389/fimmu.2020.634409] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 12/29/2020] [Indexed: 12/12/2022] Open
Abstract
In the Western society, non-alcoholic fatty liver disease (NAFLD), characterized by the excessive accumulation of fat in the liver, represents the most common cause of chronic liver disease. If left untreated, approximately 15%-20% of patients with NAFLD will progress to non-alcoholic steatohepatitis (NASH), in which lobular inflammation, hepatocyte ballooning and fibrogenesis further contribute to a distorted liver architecture and function. NASH initiation has significant effects on liver-related mortality, as even the presence of early stage fibrosis increases the chances of adverse patient outcome. Therefore, adequate diagnostic tools for NASH are needed, to ensure that relevant therapeutic actions can be taken as soon as necessary. To date, the diagnostic gold standard remains the invasive liver biopsy, which is associated with several drawbacks such as high financial costs, procedural risks, and inter/intra-observer variability in histology analysis. As liver inflammation is a major hallmark of disease progression, inflammation-related circulating markers may represent an interesting source of non-invasive biomarkers for NAFLD/NASH. Examples for such markers include cytokines, chemokines or shed receptors from immune cells, circulating exosomes related to inflammation, and changing proportions of peripheral blood mononuclear cell (PBMC) subtypes. This review aims at documenting and critically discussing the utility of such novel inflammatory markers for NAFLD/NASH-diagnosis, patient stratification and risk prediction.
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Affiliation(s)
| | - Frank Tacke
- Department of Hepatology and Gastroenterology, Charité University Medicine Berlin, Berlin, Germany
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Reddy AJ, George ES, Roberts SK, Tierney AC. Effect of dietary intervention, with or without co-interventions, on inflammatory markers in patients with nonalcoholic fatty liver disease: a systematic literature review. Nutr Rev 2021; 77:765-786. [PMID: 31361003 DOI: 10.1093/nutrit/nuz029] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
CONTEXT Nonalcoholic fatty liver disease (NAFLD) represents a spectrum of liver disorders, ranging from simple steatosis to nonalcoholic steatohepatitis (NASH), with inflammation acting as a key driver in its pathogenesis and progression. Diet has the potential to mediate the release of inflammatory markers; however, little is known about the effects of various diets. OBJECTIVE This systematic review aimed to evaluate the effect of dietary interventions on cytokines and adipokines in patients with NAFLD. DATA SOURCES The electronic databases MEDLINE, EMBASE, CINAHL, and Cochrane Library were searched for clinical trials investigating dietary interventions, with or without supplementation, on cytokines and adipokines in NAFLD patients. DATA EXTRACTION Basic characteristics of populations, dietary intervention protocol, cytokines, and adipokines were extracted for each study. Quality of evidence was assessed using the American Dietetic Association criteria. DATA ANALYSIS Nineteen studies with a total of 874 participants were included. The most frequently reported inflammatory outcomes were C-reactive protein (CRP), tumor necrosis factor alpha (TNF-α), interleukin 6 (IL-6), adiponectin, and leptin. Hypocaloric, isocaloric, or low-fat diets significantly (P < 0.05) lowered levels of CRP, TNF-α, and adiponectin. The addition of nutraceutical or pharmacological supplementation to dietary interventions appeared to elicit additional benefits for all of the most frequently reported inflammatory markers. CONCLUSIONS Hypo- or isocaloric diets alone, or with co-interventions that included a nutraceutical or pharmacological supplementation, appear to improve the inflammatory profile in patients with NAFLD. Thus, anti-inflammatory diets may have the potential to improve underlying chronic inflammation that underpins the pathophysiological mechanisms of NAFLD. In the absence of any known liver-sensitive markers, the use of cytokines and adipokines as a surrogate marker of liver disease should be further investigated in well-controlled trials.
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Affiliation(s)
- Anjana J Reddy
- Department of Rehabilitation, Nutrition and Sport, La Trobe University, Bundoora, Victoria, Australia
| | - Elena S George
- Department of Rehabilitation, Nutrition and Sport, La Trobe University, Bundoora, Victoria, Australia
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, Victoria, Australia
- Department of Nutrition, Alfred Health, Prahran, Victoria, Australia
| | - Stuart K Roberts
- Department of Gastroenterology, Alfred Health, Prahran, Victoria, Australia
| | - Audrey C Tierney
- Department of Rehabilitation, Nutrition and Sport, La Trobe University, Bundoora, Victoria, Australia
- Department of Nutrition, Alfred Health, Prahran, Victoria, Australia
- School of Allied Health, University of Limerick, Limerick, Ireland
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Lin X, You F, Liu H, Fang Y, Jin S, Wang Q. Site-specific risk of colorectal neoplasms in patients with non-alcoholic fatty liver disease: A systematic review and meta-analysis. PLoS One 2021; 16:e0245921. [PMID: 33493235 PMCID: PMC7833217 DOI: 10.1371/journal.pone.0245921] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Accepted: 01/10/2021] [Indexed: 12/28/2022] Open
Abstract
Background Many studies have shown that NAFLD is indeed closely related to the occurrence of colon tumors. The aim of this study was to further establish an assessment for the risk associated with NAFLD and the site-specificity of colon tumors. Methods We searched the PubMed, Embase, Cochrane, and Scopus databases published from January 1, 1981, to December 15, 2019, assessing the risk of colorectal neoplasms in patients with NAFLD. The primary outcome measure was the incidence of site-specific risk of colorectal neoplasms in patients with NAFLD reported as ORs which pooled under a random-effects model and calculated via Mantel-Haenszel weighting. The study is registered with PROSPERO, number CRD42020162118. Results 11 articles (12,081 participants) were included in this meta-analysis. After heterogeneity removed, the overall risk-value pooled for right colon tumors(OR = 1.60,95% CI 1.27–2.01,I2 = 58%,P = 0.02)was higher than the left(OR = 1.39,95% CI 1.11–1.73,I2 = 59%,P = 0.02).However, this outcome was unclear when considering gender differences (Male&Right:OR = 1.05; Male&Left:OR = 1.26; Female&Right: OR = 1.17; Female&Left:OR = 1.17).The incidence of right colon tumors(Asian&Right:OR = 1.56)was obviously higher in Asians with NAFLD than the left (Asian&Left:OR = 1.23),while the risk relevance was similar and moderately associated with an increased risk of incident double-sided colorectal tumors in Europeans (European&Right:OR = 1.47; European&Left:OR = 1.41). The outcome of pathological morphology includes: the advanced adenoma OR = 1.82;the tubular adenoma OR = 1.24;the serrated adenoma OR = 2.16. Conclusions NAFLD is associated with a high risk of colon tumors, especially in regard to tumors of the right colon, which are more prevalent in Asian populations.
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Affiliation(s)
- XiaoLi Lin
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, China
| | - FengMing You
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, China
| | - Hong Liu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, China
| | - Yu Fang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, China
| | - ShuoGuo Jin
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, China
| | - QiaoLing Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, China
- * E-mail:
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Friesen CS, Hosey-Cojocari C, Chan SS, Csanaky IL, Wagner JB, Sweeney BR, Friesen A, Fraser JD, Shakhnovich V. Efficacy of Weight Reduction on Pediatric Nonalcoholic Fatty Liver Disease: Opportunities to Improve Treatment Outcomes Through Pharmacotherapy. Front Endocrinol (Lausanne) 2021; 12:663351. [PMID: 33927697 PMCID: PMC8076784 DOI: 10.3389/fendo.2021.663351] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 03/25/2021] [Indexed: 12/12/2022] Open
Abstract
Obesity is the single greatest risk factor for nonalcoholic fatty liver disease (NAFLD). Without intervention, most pediatric patients with NAFLD continue to gain excessive weight, making early, effective weight loss intervention key for disease treatment and prevention of NAFLD progression. Unfortunately, outside of a closely monitored research setting, which is not representative of the real world, lifestyle modification success for weight loss in children is low. Bariatric surgery, though effective, is invasive and can worsen NAFLD postoperatively. Thus, there is an evolving and underutilized role for pharmacotherapy in children, both for weight reduction and NAFLD management. In this perspective article, we provide an overview of the efficacy of weight reduction on pediatric NAFLD treatment, discuss the pros and cons of currently approved pharmacotherapy options, as well as drugs commonly used off-label for weight reduction in children and adolescents. We also highlight gaps in, and opportunities for, streamlining obesity trials to include NAFLD assessment as a valuable, secondary, therapeutic outcome measure, which may aid drug repurposing. Finally, we describe the already available, and emerging, minimally-invasive biomarkers of NAFLD that could offer a safe and convenient alternative to liver biopsy in pediatric obesity and NAFLD trials.
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Affiliation(s)
- Chance S. Friesen
- University of Kansas School of Medicine, Kansas City, KS, United States
| | | | - Sherwin S. Chan
- Children’s Mercy Kansas City, Kansas City, MO, United States
- University of Missouri-Kansas City School of Medicine, Kansas City, MO, United States
| | - Iván L. Csanaky
- Children’s Mercy Kansas City, Kansas City, MO, United States
- University of Missouri-Kansas City School of Medicine, Kansas City, MO, United States
- University of Kansas Medical Center, Kansas City, KS, United States
| | - Jonathan B. Wagner
- Children’s Mercy Kansas City, Kansas City, MO, United States
- University of Missouri-Kansas City School of Medicine, Kansas City, MO, United States
| | - Brooke R. Sweeney
- Children’s Mercy Kansas City, Kansas City, MO, United States
- University of Missouri-Kansas City School of Medicine, Kansas City, MO, United States
- Center for Children’s Healthy Lifestyles & Nutrition, Kansas City, MO, United States
| | - Alec Friesen
- University of Kansas School of Medicine, Kansas City, KS, United States
| | - Jason D. Fraser
- Children’s Mercy Kansas City, Kansas City, MO, United States
- University of Missouri-Kansas City School of Medicine, Kansas City, MO, United States
| | - Valentina Shakhnovich
- Children’s Mercy Kansas City, Kansas City, MO, United States
- University of Missouri-Kansas City School of Medicine, Kansas City, MO, United States
- University of Kansas Medical Center, Kansas City, KS, United States
- Center for Children’s Healthy Lifestyles & Nutrition, Kansas City, MO, United States
- *Correspondence: Valentina Shakhnovich,
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Ceccarelli V, Barchetta I, Cimini FA, Bertoccini L, Chiappetta C, Capoccia D, Carletti R, Di Cristofano C, Silecchia G, Fontana M, Leonetti F, Lenzi A, Baroni MG, Barone E, Cavallo MG. Reduced Biliverdin Reductase-A Expression in Visceral Adipose Tissue is Associated with Adipocyte Dysfunction and NAFLD in Human Obesity. Int J Mol Sci 2020; 21:ijms21239091. [PMID: 33260451 PMCID: PMC7730815 DOI: 10.3390/ijms21239091] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 11/24/2020] [Accepted: 11/27/2020] [Indexed: 02/06/2023] Open
Abstract
Biliverdin reductase A (BVR-A) is an enzyme involved in the regulation of insulin signalling. Knockout (KO) mice for hepatic BVR-A, on a high-fat diet, develop more severe glucose impairment and hepato-steatosis than the wild type, whereas loss of adipocyte BVR-A is associated with increased visceral adipose tissue (VAT) inflammation and adipocyte size. However, BVR-A expression in human VAT has not been investigated. We evaluated BVR-A mRNA expression levels by real-time PCR in the intra-operative omental biopsy of 38 obese subjects and investigated the association with metabolic impairment, VAT dysfunction, and biopsy-proven non-alcoholic fatty liver disease (NAFLD). Individuals with lower VAT BVR-A mRNA levels had significantly greater VAT IL-8 and Caspase 3 expression than those with higher BVR-A. Lower VAT BVR-A mRNA levels were associated with an increased adipocytes’ size. An association between lower VAT BVR-A expression and higher plasma gamma-glutamyl transpeptidase was also observed. Reduced VAT BVR-A was associated with NAFLD with an odds ratio of 1.38 (95% confidence interval: 1.02–1.9; χ2 test) and with AUROC = 0.89 (p = 0.002, 95% CI = 0.76–1.0). In conclusion, reduced BVR-A expression in omental adipose tissue is associated with VAT dysfunction and NAFLD, suggesting a possible involvement of BVR-A in the regulation of VAT homeostasis in presence of obesity.
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Affiliation(s)
- Valentina Ceccarelli
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (V.C.); (I.B.); (F.A.C.); (L.B.); (A.L.)
| | - Ilaria Barchetta
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (V.C.); (I.B.); (F.A.C.); (L.B.); (A.L.)
| | - Flavia Agata Cimini
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (V.C.); (I.B.); (F.A.C.); (L.B.); (A.L.)
| | - Laura Bertoccini
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (V.C.); (I.B.); (F.A.C.); (L.B.); (A.L.)
| | - Caterina Chiappetta
- Department of Medical-Surgical Sciences and Bio-Technologies, Sapienza University of Rome, 04100 Latina, Italy; (C.C.); (D.C.); (R.C.); (C.D.C.); (G.S.); (F.L.)
| | - Danila Capoccia
- Department of Medical-Surgical Sciences and Bio-Technologies, Sapienza University of Rome, 04100 Latina, Italy; (C.C.); (D.C.); (R.C.); (C.D.C.); (G.S.); (F.L.)
| | - Raffaella Carletti
- Department of Medical-Surgical Sciences and Bio-Technologies, Sapienza University of Rome, 04100 Latina, Italy; (C.C.); (D.C.); (R.C.); (C.D.C.); (G.S.); (F.L.)
| | - Claudio Di Cristofano
- Department of Medical-Surgical Sciences and Bio-Technologies, Sapienza University of Rome, 04100 Latina, Italy; (C.C.); (D.C.); (R.C.); (C.D.C.); (G.S.); (F.L.)
| | - Gianfranco Silecchia
- Department of Medical-Surgical Sciences and Bio-Technologies, Sapienza University of Rome, 04100 Latina, Italy; (C.C.); (D.C.); (R.C.); (C.D.C.); (G.S.); (F.L.)
| | - Mario Fontana
- Department of Biochemical Sciences “A. Rossi-Fanelli” Sapienza University of Rome, 00185 Rome, Italy;
| | - Frida Leonetti
- Department of Medical-Surgical Sciences and Bio-Technologies, Sapienza University of Rome, 04100 Latina, Italy; (C.C.); (D.C.); (R.C.); (C.D.C.); (G.S.); (F.L.)
| | - Andrea Lenzi
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (V.C.); (I.B.); (F.A.C.); (L.B.); (A.L.)
| | - Marco Giorgio Baroni
- Department of Clinical Medicine, Public Health, Life and Environmental Sciences (MeSVA), University of L’Aquila, 67100 Coppito, Italy;
- Neuroendocrinology and Metabolic Diseases, IRCCS Neuromed, 86077 Pozzilli, Italy
| | - Eugenio Barone
- Department of Biochemical Sciences “A. Rossi-Fanelli” Sapienza University of Rome, 00185 Rome, Italy;
- Correspondence: (E.B.); (M.G.C.); Tel.: +39-(0)6-4997-4692 (M.G.C.)
| | - Maria Gisella Cavallo
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (V.C.); (I.B.); (F.A.C.); (L.B.); (A.L.)
- Correspondence: (E.B.); (M.G.C.); Tel.: +39-(0)6-4997-4692 (M.G.C.)
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Netanel C, Goitein D, Rubin M, Kleinbaum Y, Katsherginsky S, Hermon H, Tsaraf K, Tachlytski I, Herman A, Safran M, Ben-Ari Z. The impact of bariatric surgery on nonalcoholic fatty liver disease as measured using non-invasive tests. Am J Surg 2020; 222:214-219. [PMID: 33309037 DOI: 10.1016/j.amjsurg.2020.11.045] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 08/28/2020] [Accepted: 11/22/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND Nonalcoholic fatty liver disease (NAFLD) is common in bariatric surgery candidates. We evaluated the effect of sleeve gastrectomy (SG) on NAFLD using validated non-invasive measures. METHODS Patients with morbid obesity and NAFLD, planned for SG, were evaluated before and after surgery. Data collected included anthropometrics, biochemistry, adiponectin, SteatoTest™, NashTest™, FibroTest™, OWLiver® test and real-time ShearWave™ elastography (SWE). RESULTS Twenty-six subjects were included in the study, mean age 44.1 ± 4.8 years, 69.2% males. One year following SG, body mass index decreased significantly from 41.7 ± 4.8 kg/m2 to 29.6 ± 4.5 kg/m2. Concomitantly, significant improvements in triglycerides, ALT, diabetes markers and adiponectin were observed. Mean steatosis, as measured by SteatoTest™, was significantly improved. Steatohepatitis score measured by NashTest™ and OWLiver® significantly decreased. Mean fibrosis, as measured by SWE liver stiffness and FibroTest™, did not change over time. CONCLUSION Steatosis and steatohepatitis are significantly improved by SG as measured by non-invasive measures.
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Affiliation(s)
- Carmit Netanel
- Liver Disease Center, Sheba Medical Center, Tel Hashomer, Israel.
| | - David Goitein
- Department of Surgery C, Sheba Medical Center, Tel Hashomer, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Moshe Rubin
- Department of Surgery C, Sheba Medical Center, Tel Hashomer, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Yeruham Kleinbaum
- Department of Diagnostic Imaging, Sheba Medical Center, Tel Hashomer, Israel.
| | - Sima Katsherginsky
- Department of Diagnostic Imaging, Sheba Medical Center, Tel Hashomer, Israel.
| | - Hila Hermon
- Department of Surgery C, Sheba Medical Center, Tel Hashomer, Israel.
| | - Keren Tsaraf
- Liver Disease Center, Sheba Medical Center, Tel Hashomer, Israel.
| | - Irina Tachlytski
- Liver Disease Center, Sheba Medical Center, Tel Hashomer, Israel.
| | - Amir Herman
- Department of Orthopaedic Surgery, Assuta Ashdod Medical Center, Ashdod, Israel; Goldman School of Medicine, Ben-Gurion University of the Negev, Beer Sheva, Israel.
| | - Michal Safran
- Liver Disease Center, Sheba Medical Center, Tel Hashomer, Israel.
| | - Ziv Ben-Ari
- Liver Disease Center, Sheba Medical Center, Tel Hashomer, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
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El-Boghdady NA, Kamel MA, El-Shamy RM. Omeprazole and Spirulina Platensis Ameliorate Steatohepatitis in Experimental Nonalcoholic Fatty Liver Disease. Metab Syndr Relat Disord 2020; 18:426-434. [DOI: 10.1089/met.2019.0129] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Noha A. El-Boghdady
- Biochemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Maher A. Kamel
- Biochemistry Department, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Rouaina M. El-Shamy
- Biochemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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El Amrousy D, El-Afify D. Osteocalcin and osteoprotegerin levels and their relationship with adipokines and proinflammatory cytokines in children with nonalcoholic fatty liver disease. Cytokine 2020; 135:155215. [PMID: 32731119 DOI: 10.1016/j.cyto.2020.155215] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 07/05/2020] [Accepted: 07/17/2020] [Indexed: 02/08/2023]
Abstract
OBJECTIVES To investigate the relationship between osteocalcin and osteoprotegerin as bone markers and inflammatory biomarkers such as adiponectin, leptin, tumor necrosis factor alpha (TNF-α), and interleukin-6 (IL-6) in children with nonalcoholic fatty liver disease (NAFLD). METHODS This study included 40 obese children with NAFLD as the patient group and 40 healthy obese children of matched age, sex and BMI as the control group. Alanine aminotransferase (ALT), aspartate aminotransferase (AST), fasting blood glucose, fasting insulin, Homeostatic model assessment method of insulin resistance (HOMA-IR), lipid profile, osteocalcin, osteoprotegerin, adiponectin, leptin, TNF-α, and IL-6 were measured in all participants. RESULTS Children with NAFLD had a significant decrease in osteocalcin, osteoprotegerin and adiponectin level with a significant increase in TNF-α and IL-6 levels. We also found a significant positive correlation between osteocalcin level and adiponectin levels but a significant negative correlation of osteocalcin with each of leptin and TNF-α. However, there was a significant negative correlation between osteoprotegerin levels and both TNF-α and IL-6 levels. Moreover, adiponectin and TNF-α were significant predictors for osteocalcin, and IL-6 was a significant predictor for osteoprotegerin. CONCLUSION Adiponectin, leptin, TNF-α, and IL-6 have potential association with the changes of osteocalcin and osteoprotegerin levels in children with NAFLD.
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Affiliation(s)
- Doaa El Amrousy
- Pediatric Department, Faculty of Medicine, Tanta University, Egypt.
| | - Dalia El-Afify
- Department of Clinical Pharmacy, Faculty of Pharmacy, Tanta University, Egypt
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Hanif H, Khan MM, Ali MJ, Shah PA, Satiya J, Lau DT, Aslam A. A New Endemic of Concomitant Nonalcoholic Fatty Liver Disease and Chronic Hepatitis B. Microorganisms 2020; 8:microorganisms8101526. [PMID: 33020450 PMCID: PMC7601829 DOI: 10.3390/microorganisms8101526] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 09/28/2020] [Accepted: 09/30/2020] [Indexed: 12/12/2022] Open
Abstract
Hepatitis B virus (HBV) infection remains a global public problem despite the availability of an effective vaccine. In the past decades, nonalcoholic fatty liver disease (NAFLD) has surpassed HBV as the most common cause of chronic liver disease worldwide. The prevalence of concomitant chronic hepatitis B (CHB) and NAFLD thus reaches endemic proportions in geographic regions where both conditions are common. Patients with CHB and NAFLD are at increased risk of liver disease progression to cirrhosis and hepatocellular carcinoma. Due to the complexity of the pathogenesis, accurate diagnosis of NAFLD in CHB patients can be challenging. Liver biopsy is considered the gold standard for diagnosing and determining disease severity, but it is an invasive procedure with potential complications. There is a growing body of literature on the application of novel noninvasive serum biomarkers and advanced radiological modalities to diagnose and evaluate NAFLD, but most have not been adequately validated, especially for patients with CHB. Currently, there is no approved therapy for NAFLD, although many new agents are in different phases of development. This review provides a summary of the epidemiology, clinical features, diagnosis, and management of the NAFLD and highlights the unmet needs in the areas of CHB and NAFLD coexistence.
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Affiliation(s)
- Hira Hanif
- Liver Center, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA; (H.H.); (M.M.K.); (M.J.A.); (P.A.S.); (J.S.)
| | - Muzammil M. Khan
- Liver Center, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA; (H.H.); (M.M.K.); (M.J.A.); (P.A.S.); (J.S.)
| | - Mukarram J. Ali
- Liver Center, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA; (H.H.); (M.M.K.); (M.J.A.); (P.A.S.); (J.S.)
| | - Pir A. Shah
- Liver Center, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA; (H.H.); (M.M.K.); (M.J.A.); (P.A.S.); (J.S.)
- Department of Internal Medicine, University of Texas, San Antonio, TX 78229, USA
| | - Jinendra Satiya
- Liver Center, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA; (H.H.); (M.M.K.); (M.J.A.); (P.A.S.); (J.S.)
| | - Daryl T.Y. Lau
- Liver Center, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA; (H.H.); (M.M.K.); (M.J.A.); (P.A.S.); (J.S.)
- Correspondence: (D.T.Y.L.); (A.A.)
| | - Aysha Aslam
- Department of Medicine, Louis A Weiss Memorial Hospital, Chicago, IL 60640, USA
- Correspondence: (D.T.Y.L.); (A.A.)
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Portincasa P, Krawczyk M, Smyk W, Lammert F, Di Ciaula A. COVID-19 and non-alcoholic fatty liver disease: Two intersecting pandemics. Eur J Clin Invest 2020; 50:e13338. [PMID: 32589264 PMCID: PMC7361203 DOI: 10.1111/eci.13338] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 05/27/2020] [Accepted: 06/18/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND Initial evidence from China suggests that most vulnerable subjects to COVID-19 infection suffer from pre-existing illness, including metabolic abnormalities. The pandemic characteristics and high-lethality rate of COVID-19 infection have raised concerns about interactions between virus pathobiology and components of the metabolic syndrome. METHODS We harmonized the information from the recent existing literature on COVID-19 acute pandemic and mechanisms of damage in non-alcoholic fatty liver disease (NAFLD), as an example of chronic (non-communicable) metabolic pandemic. RESULTS COVID-19-infected patients are more fragile with underlying metabolic illness, including hypertension, cardiovascular disease, type 2 diabetes, chronic lung diseases (e.g. asthma, chronic obstructive pulmonary disease and emphysema) and metabolic syndrome. During metabolic abnormalities, expansion of metabolically active fat ('overfat condition') parallels chronic inflammatory changes, development of insulin resistance and accumulation of fat in configuring NAFLD. The deleterious interplay of inflammatory pathways chronically active in NAFLD and acutely in COVID-19-infected patients, can explain liver damage in a subgroup of patients and might condition a worse outcome in metabolically compromised NAFLD patients. In a subgroup of patients with NAFLD, the underlying liver fibrosis might represent an additional and independent risk factor for severe COVID-19 illness, irrespective of metabolic comorbidities. CONCLUSIONS NAFLD can play a role in the outcome of COVID-19 illness due to frequent association with comorbidities. Initial evidences suggest that increased liver fibrosis in NAFLD might affect COVID-19 outcome. In addition, long-term monitoring of post-COVID-19 NAFLD patients is advisable, to document further deterioration of liver damage. Further studies are required in this field.
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Affiliation(s)
- Piero Portincasa
- Clinica Medica ‘A. Murri’Department of Biomedical Sciences and Human OncologyUniversity of Bari ‘Aldo Moro’BariItaly
| | - Marcin Krawczyk
- Department of Medicine IISaarland University Medical CenterSaarland UniversityHomburgGermany
- Laboratory of Metabolic Liver DiseasesDepartment of General, Transplant and Liver SurgeryCentre for Preclinical ResearchMedical University of WarsawWarsawPoland
| | - Wiktor Smyk
- Liver and Internal Medicine UnitDepartment of General, Transplant and Liver SurgeryMedical University of WarsawWarsawPoland
| | - Frank Lammert
- Department of Medicine IISaarland University Medical CenterSaarland UniversityHomburgGermany
| | - Agostino Di Ciaula
- Clinica Medica ‘A. Murri’Department of Biomedical Sciences and Human OncologyUniversity of Bari ‘Aldo Moro’BariItaly
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Lee MR, Kim JE, Park JW, Kang MJ, Choi HJ, Bae SJ, Choi YW, Kim KM, Hong JT, Hwang DY. Fermented mulberry (Morus alba) leaves suppress high fat diet-induced hepatic steatosis through amelioration of the inflammatory response and autophagy pathway. BMC Complement Med Ther 2020; 20:283. [PMID: 32948162 PMCID: PMC7501671 DOI: 10.1186/s12906-020-03076-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 09/08/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND A novel extract of mulberry leaves fermented with Cordyceps militaris (EMfC) is reported to exert anti-obesity activity, although their molecular mechanism during hepatic steatosis has not verified. METHODS To investigate the role of inflammation and autophagy during the anti-hepatic steatosis effects of EMfC, we measured alterations in the key parameters for inflammatory response and autophagy pathway in liver tissues of the high fat diet (HFD) treated C57BL/6N mice after exposure to EMfC for 12 weeks. RESULTS Significant anti-hepatic steatosis effects, including decreased number of lipid droplets and expression of Klf2 mRNA, were detected in the liver of the HFD + EMfC treated group. The levels of mast cell infiltration, expression of two inflammatory mediators (iNOS and COX-2), and the MAPK signaling pathway were remarkably decreased in the liver of HFD + EMfC treated group as compared to the HFD + Vehicle treated group. Furthermore, a similar inhibitory effect was measured for the expression levels of pro-inflammatory cytokines, including IL-1β, IL-6, TNF-α and NF-κB. The expression level of members in the AKT/mTOR signaling pathway (a central regulator in autophagy) was recovered after treatment with EMfC, and autophagy-related proteins (Beclin and LC3-II) were remarkably decreased in the HFD + EMfC treated group compared to the HFD + Vehicle treated group. Moreover, the HFD + EMfC treated group showed decreased transcript levels of autophagy-regulated genes including Atg4b, Atg5, Atg7 and Atg12. CONCLUSIONS Taken together, findings of the present study provide novel evidences that the anti-hepatic steatosis of EMfC is tightly linked to the regulation of the inflammatory response and autophagy pathway in the liver tissue of HFD-induced obesity mice.
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Affiliation(s)
- Mi Rim Lee
- Department of Biomaterials Science, College of Natural Resources & Life Science/Life and Industry Convergence Research Institute, Pusan National University, Miryang, 50463, South Korea
| | - Ji Eun Kim
- Department of Biomaterials Science, College of Natural Resources & Life Science/Life and Industry Convergence Research Institute, Pusan National University, Miryang, 50463, South Korea
| | - Ji Won Park
- Department of Biomaterials Science, College of Natural Resources & Life Science/Life and Industry Convergence Research Institute, Pusan National University, Miryang, 50463, South Korea
| | - Mi Ju Kang
- Department of Biomaterials Science, College of Natural Resources & Life Science/Life and Industry Convergence Research Institute, Pusan National University, Miryang, 50463, South Korea
| | - Hyeon Jun Choi
- Department of Biomaterials Science, College of Natural Resources & Life Science/Life and Industry Convergence Research Institute, Pusan National University, Miryang, 50463, South Korea
| | - Su Ji Bae
- Department of Biomaterials Science, College of Natural Resources & Life Science/Life and Industry Convergence Research Institute, Pusan National University, Miryang, 50463, South Korea
| | - Young Whan Choi
- Department of Horticultural Bioscience, College of Natural Resources & Life Science/Life and Industry Convergence Research Institue, Pusan National University, Miryang, 50463, South Korea
| | - Kyung Mi Kim
- Life Science Research Institute, Novarex Co., Ltd, Chungju, 28126, South Korea
| | - Jin Tae Hong
- College of Pharmacy, Chungbuk National University, Chungju, 28644, South Korea
| | - Dae Youn Hwang
- Department of Biomaterials Science, College of Natural Resources & Life Science/Life and Industry Convergence Research Institute, Pusan National University, Miryang, 50463, South Korea.
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Lim HS, Choi J, Lee B, Kim SG, Kim YS, Yoo JJ. Association between Inflammatory Biomarkers and Nutritional Status in Fatty Liver. Clin Nutr Res 2020; 9:182-194. [PMID: 32789148 PMCID: PMC7402975 DOI: 10.7762/cnr.2020.9.3.182] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 07/17/2020] [Accepted: 07/19/2020] [Indexed: 12/14/2022] Open
Abstract
The prevalence and progression of non-alcoholic fatty liver disease (NAFLD) is mediated via several factors correlating with hepatic necroinflammation (adipokines/cytokines). This study was performed to analyze the level of inflammatory markers according to the presence of NAFLD and to identify related nutritional factors. A total of 80 adults were classified into 2 groups (healthy and NAFLD), and their body composition, blood tests, and eating habits were evaluated. In addition, inflammatory markers (adiponectin, high-sensitivity C-reactive protein [CRP], and tumor necrosis factor-alpha [TNF-α]), nutrient intake status, and dietary quality were compared. The quality of diet was assessed according to the nutrient adequacy ratio and the mean adequacy ratio (MAR). The NAFLD group had a higher body mass index (p < 0.001) than the healthy group and also carried significantly higher CRP levels (p < 0.001) but lower adiponectin (p = 0.001). TNF-α levels increased significantly with fatty liver grade (p = 0.023). The NAFLD group showed significantly higher intake of energy, carbohydrates, iron, sodium, vitamin A and saturated fatty acids, but significantly lower intake of zinc and vitamin E than the healthy group. The MAR values were slightly higher in the NAFLD group but without any significant difference. The levels of adiponectin and vitamin E showed a significant inverse correlation (p < 0.05). Nutritional management of NAFLD patients is important, and the intake of antioxidant and anti-inflammatory nutrients such as zinc and vitamin E should be emphasized.
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Affiliation(s)
- Hee-Sook Lim
- Department of Food Sciences & Nutrition, Yeonsung University, Anyang 14011, Korea
| | - Joungyun Choi
- Department of Health and Nutrition Survey, Korean Centers for Disease Control & Prevention, Cheongju 28159, Korea
| | - Bora Lee
- Department of Biostatistics, Graduate School of Chung-Ang University, Seoul 06974, Korea
| | - Sang Gyune Kim
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon 14854, Korea
| | - Young Seok Kim
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon 14854, Korea
| | - Jeong-Ju Yoo
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon 14854, Korea
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Abenavoli L, Milanovic M, Procopio AC, Spampinato G, Maruca G, Perrino EV, Mannino GC, Fagoonee S, Luzza F, Musarella CM. Ancient wheats: beneficial effects on insulin resistance. Minerva Med 2020; 112:641-650. [PMID: 32729704 DOI: 10.23736/s0026-4806.20.06873-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Non-alcoholic fatty liver disease and type 2 diabetes mellitus are two conditions that commonly exist together in the context of the metabolic syndrome. Several scientific advances in understanding this association have identified insulin resistance as the key point in the pathogenesis of both diseases. The first line treatment suggested in the management of these diseases is represented by lifestyle changes and in particular the modification of alimentary regimen, with the transition to a healthy diet. In this context, several studies have focused their attention on the identification of food products with beneficial actions, like ancient wheat (AW). AW are defined as the early cereals that were domesticated in their places of origin in the "Fertile Crescent" of the Middle East, and played a central role as a main source of food for the early civilizations in that region. The present narrative review aims to provide a systematic overview of the state of the art on the effects of AW on insulin resistance.
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Affiliation(s)
- Ludovico Abenavoli
- Department of Health Sciences, University Magna Graecia, Catanzaro, Italy -
| | - Maja Milanovic
- Department of Pharmacy, Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia
| | - Anna C Procopio
- Department of Health Sciences, University Magna Graecia, Catanzaro, Italy
| | | | - Gina Maruca
- Institute of Biosciences and Bioresources, National Research Council, Bari, Italy
| | - Enrico V Perrino
- CIHEAM, Mediterranean Agronomic Institute, Valenzano, Bari, Italy
| | - Gaia C Mannino
- Department of Medical and Surgical Sciences, University Magna Graecia, Catanzaro, Italy
| | - Sharmila Fagoonee
- Institute of Biostructure and Bioimaging, National Research Council c/o Molecular Biotechnology Centre, Torino, Italy
| | - Francesco Luzza
- Department of Health Sciences, University Magna Graecia, Catanzaro, Italy
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Lardi LL, Lul RM, Port GZ, Coral GP, Peres A, Dornelles GP, Branco F, Fernandes S, Leães CG, Mattos AA, Buss C, Tovo CV. Fibromax and inflamatory markers cannot replace liver biopsy in the evaluation of non-alcoholic fatty liver disease. Minerva Gastroenterol (Torino) 2020; 68:85-90. [PMID: 32700499 DOI: 10.23736/s2724-5985.20.02746-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND To evaluate the performance of a non-invasive test (Fibromax™, Ferring Pharmaceutical, Saint-Prex, Switzerland) and inflamatory markers (IL-1β, IL-6, IL-8, TNF-α, MCP-1) in the diagnosis and staging of patients with non-alcoholic fatty liver disease. METHODS Patients older than 18 years with steatosis were prospectively evaluated at a tertiary hospital in southern Brazil. Liver biopsy, Fibromax™ test and inflamatory markers (IL-1β, IL-6, IL-8, TNF-α, MCP-1) were performed. Measures of sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and accuracy were used, considering liver biopsy as the gold standard. RESULTS Seventy-three Fibromax™ tests were analyzed. SteatoTest presented a sensitivity of 95.5% and PPV of 97.0% for the diagnosis of steatosis. NashTest obtained a sensitivity of 83.3%, specificity of 37.5%, PPV of 90.9% and NPV of 23.1% for the diagnosis of non-alcoholic steatohepatitis (NASH). FibroTest presented a sensitivity of 38.9%, specificity of 92.7%, PPV of 63.6% and NPV of 82.3% to evaluate advanced fibrosis. In the evaluation of patients with grade 2 and 3 steatosis, ROC analyses showed an area under the curve (AUROC) for SteatoTest of 0.68 (P=0.015). NashTest AUROC was 0.59 (P=0.417) for the evaluation of NASH. FibroTest AUROC was 0.79 (P<0.001) for advanced fibrosis. Kappa coefficient values for SteatoTest, NashTest and FibroTest were not statistically significant. Thirty-seven patients performed also analysis of the inflamatory markers, showing that patients with inflammatory activity grade 2-3 on liver biopsy had significantly higher levels of IL6 (P=0.016) and lower TNF-α (P=0.034), but there was no other difference when analysed fibrosis or steatosis. CONCLUSIONS The Fibromax™ test and the inflamatory markers (IL-1β, IL-6, IL-8, TNF-α, MCP-1) did not present a satisfactory performance to be considered a good alternative to replace liver biopsy in the evaluation of non-alcoholic fatty liver disease.
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Affiliation(s)
- Leonardo L Lardi
- Graduate Program in Medicine, Department of Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - Rodrigo M Lul
- Graduate Program in Medicine, Department of Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - Gabriela Z Port
- Graduate Program in Medicine, Department of Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - Gabriela P Coral
- Graduate Program in Medicine, Department of Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - Alessandra Peres
- Graduate Program in Medicine, Department of Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - Gilson P Dornelles
- Graduate Program in Medicine, Department of Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - Fernanda Branco
- Graduate Program in Medicine, Department of Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - Sabrina Fernandes
- Graduate Program in Medicine, Department of Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - Carolina G Leães
- Graduate Program in Medicine, Department of Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - Angelo A Mattos
- Graduate Program in Medicine, Department of Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - Caroline Buss
- Graduate Program in Medicine, Department of Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - Cristiane V Tovo
- Graduate Program in Medicine, Department of Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil -
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