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Ahmed M, Ahmed MH. Ramadan Fasting in Individuals with Metabolic Dysfunction-Associated Steatotic Liver Disease, Liver Transplant, and Bariatric Surgery: A Narrative Review. J Clin Med 2024; 13:3893. [PMID: 38999457 PMCID: PMC11242100 DOI: 10.3390/jcm13133893] [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: 05/22/2024] [Revised: 06/25/2024] [Accepted: 07/01/2024] [Indexed: 07/14/2024] Open
Abstract
Metabolic dysfunction-associated steatotic liver disease is a growing worldwide pandemic. A limited number of studies have investigated the potential effect of Ramadan fasting on metabolic dysfunction-associated steatotic liver disease (MASLD). There is no single medication for the treatment of MASLD. There is a growing interest in dietary intervention as potential treatment for metabolic diseases including MASLD. The aim of this study was to discuss the epidemiology, pathogenesis, and risk factors of MASLD and the potential effects of Ramadan fasting on MASLD, liver transplant, and bariatric surgery. We searched PubMed and SCOPUS databases using different search terms. The literature search was based on research studies published in English from the year 2000 to the 2024. Thirty-two studies were included in this review. Ramadan fasting reduced body weight and improved lipid profile, anthropometric indices, fasting plasma glucose, plasma insulin, and inflammatory cytokines. Ramadan fasting improved risk factors of nonalcoholic fatty liver disease and might improve MASLD through weight reduction. However, further studies are needed to assess the safety and effectiveness of Ramadan fasting in liver transplant recipients and bariatric surgery.
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Affiliation(s)
- Musaab Ahmed
- College of Medicine, Ajman University, Ajman P.O. Box 346, United Arab Emirates
| | - Mohamed H Ahmed
- Department of Medicine and HIV Metabolic Clinic, Milton Keynes University Hospital NHS Foundation Trust, Eagelstone, Milton Keynes MK6 5LD, UK
- Department of Geriatric Medicine, Milton Keynes University Hospital NHS Foundation Trust, Eagelstone, Milton Keynes MK6 5LD, UK
- Honorary Senior Lecturer of the Faculty of Medicine and Health Sciences, University of Buckingham, Buckingham MK18 1EG, UK
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Zhang S, Ren X, Zhang B, Lan T, Liu B. A Systematic Review of Statins for the Treatment of Nonalcoholic Steatohepatitis: Safety, Efficacy, and Mechanism of Action. Molecules 2024; 29:1859. [PMID: 38675679 PMCID: PMC11052408 DOI: 10.3390/molecules29081859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 04/10/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the liver component of a cluster of conditions, while its subtype, nonalcoholic steatohepatitis (NASH), emerges as a potentially progressive liver disorder that harbors the risk of evolving into cirrhosis and culminating in hepatocellular carcinoma (HCC). NASH and cardiovascular disease (CVD) have common risk factors, but compared to liver-related causes, the most common cause of death in NASH patients is CVD. Within the pharmacological armamentarium, statins, celebrated for their lipid-modulating prowess, have now garnered attention for their expansive therapeutic potential in NASH. Evidence from a plethora of studies suggests that statins not only manifest anti-inflammatory and antifibrotic properties but also impart a multifaceted beneficial impact on hepatic health. In this review, we used "statin", "NAFLD", "NASH", and "CVD" as the major keywords and conducted a literature search using the PubMed and Web of Science databases to determine the safety and efficacy of statins in patients and animals with NASH and NAFLD, and the mechanism of statin therapy for NASH. Simultaneously, we reviewed the important role of the intestinal microbiota in statin therapy for NASH, as it is hoped that statins will provide new insights into modulating the harmful inflammatory microbiota in the gut and reducing systemic inflammation in NASH patients.
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Affiliation(s)
- Shiqin Zhang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China; (S.Z.); (X.R.); (B.Z.)
| | - Xiaoling Ren
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China; (S.Z.); (X.R.); (B.Z.)
| | - Bingzheng Zhang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China; (S.Z.); (X.R.); (B.Z.)
| | - Tian Lan
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China; (S.Z.); (X.R.); (B.Z.)
- Department of Pharmacology, College of Pharmacy, Harbin Medical University, Harbin 150086, China
| | - Bing Liu
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China; (S.Z.); (X.R.); (B.Z.)
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3
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Elsaid MI, Bridges JFP, Mumtaz K, Li N, Sobotka L, Rustgi VK, Paskett ED. The impact of metabolic syndrome severity on racial and ethnic disparities in Metabolic Dysfunction-Associated Steatotic Liver Disease. PLoS One 2024; 19:e0299836. [PMID: 38489287 PMCID: PMC10942082 DOI: 10.1371/journal.pone.0299836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 02/15/2024] [Indexed: 03/17/2024] Open
Abstract
BACKGROUND & AIMS Previous studies have examined the effects of metabolic syndrome (MetS) rather than its severity on race and ethnic disparities in Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD). We used the MetS severity score, a validated sex-race-ethnicity-specific severity measure, to examine the effects of race/ethnicity on the association between MetS severity and MASLD. METHODS This study included 10,605 adult participants from the Third National Health and Nutrition Examination Survey. The MASLD diagnosis was based on ultrasound findings in patients without excessive alcohol intake or other liver diseases. MetS severity Z-scores were calculated and stratified into four categories low (1st-50th), moderate (>50th-75th), high (>75th-90th), and very high (>90th+)]. Multivariable adjusted logistic regression models with complex survey methods were used to test the effect of MetS severity on MASLD. RESULTS The age-adjusted MASLD prevalence was 17.4%, 25.7%, 42.5, and 54.9% in adults with mild, moderate, high, and very high MetS severities, respectively (P-trend <0.001). MetS severity was significantly higher in patients with MASLD than in those without [mean percentile 60th vs. 44th, P<0.001]. Among patients with MASLD, Mexican-American and Black non-Hispanic females had significantly higher age-adjusted MetS severity (68th and 61st, respectively) than White non-Hispanic females 54th, while Black non-Hispanic males had significantly lower MetS severity (56th) than White non-Hispanic males (70th) (P-Interaction = 0.02). Adults with high and very high MetS severity had 2.27 (95% CI:1.70 to 3.03) and 3.12 (95% CI:2.20 to 4.42), respectively, higher adjusted odds of MASLD than those with mild MetS severity. CONCLUSIONS Racial/ethnic disparities in MetS severity play a pivotal role in the risk of MASLD. Our findings highlight the potential clinical utility of the MetS severity score in identifying at-risk individuals, which will help guide targeted prevention and tailoring management strategies to mitigate the MASLD burden.
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Affiliation(s)
- Mohamed I. Elsaid
- Department of Biomedical Informatics, College of Medicine, The Ohio State University, Columbus, Ohio, United States of America
- Center for Biostatistics, College of Medicine, The Ohio State University, Columbus, Ohio, United States of America
- Department of Internal Medicine, Division of Medical Oncology, College of Medicine, The Ohio State University, Columbus, Ohio, United States of America
| | - John F. P. Bridges
- Department of Biomedical Informatics, College of Medicine, The Ohio State University, Columbus, Ohio, United States of America
- Department of Health, Behavior and Society, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America
| | - Khalid Mumtaz
- Division of Gastroenterology, Hepatology, & Nutrition, College of Medicine, The Ohio State University, Columbus, Ohio, United States of America
| | - Na Li
- Division of Gastroenterology, Hepatology, & Nutrition, College of Medicine, The Ohio State University, Columbus, Ohio, United States of America
| | - Lindsay Sobotka
- Division of Gastroenterology, Hepatology, & Nutrition, College of Medicine, The Ohio State University, Columbus, Ohio, United States of America
| | - Vinod K. Rustgi
- Division of Gastroenterology and Hepatology, Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey, United States of America
- Center for Liver Diseases and Masses, Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey, United States of America
| | - Electra D. Paskett
- Division of Population Sciences, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio, United States of America
- Department of Internal Medicine, Division of Cancer Prevention and Control, College of Medicine, The Ohio State University, Columbus, Ohio, United States of America
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Kisitu G, Shabanova V, Naiga F, Nakagwa M, Kekitiinwa AR, Elyanu PJ, Paintsil E. High prevalence of low high-density lipoprotein cholesterol and insulin resistance among children and adolescents living with HIV in Uganda: harbinger for metabolic syndrome? HIV Med 2024; 25:262-275. [PMID: 37879630 DOI: 10.1111/hiv.13570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 10/10/2023] [Indexed: 10/27/2023]
Abstract
BACKGROUND Antiretroviral therapy-associated adverse effects and comorbidities are still pervasive in people living with HIV, especially metabolic syndrome (MetS). We investigated the age-dependent prevalence of components of MetS and insulin resistance in children and adolescents living with HIV (CALWH). METHODS A cross-sectional pilot study of CALWH treated at the Baylor Uganda Clinical Centre of Excellence in Kampala, Uganda, May to August 2021. The primary outcome of MetS was defined by both the International Diabetes Federation (IDF) and the Adult Treatment Panel (ATP III) criteria. We estimated the prevalence of MetS and its components for all participants and by the stratification factors. RESULTS We enrolled 90 children and adolescents, aged 6 to <10 years (n = 30), 10 to <16 years (n = 30), and ≥ 16 to <19 years (n = 30). Fifty-one percent were females. The estimated prevalence of MetS was 1.11% (1 of 90) using either IDF or ATPIII criteria for all participants, and 3.33% in the oldest age group. Notably, while only one among study participants met the criterion based on having central obesity or blood pressure, over 55% of participants had one or more IDF component, with 47% having low high-density lipoprotein (HDL) cholesterol. Two participants (6.67%) in the group aged 10 to <16 years met one of the definitions for insulin resistance (IR) using the Homeostatic Model Assessment (HOMA-IR) index. For every 1-year increase in age, HOMA-IR index increased by 0.04 (95% confidence interval: 0.01-0.08; p = 0.02). CONCLUSIONS With increasing survival of CALWH into adulthood, lifetime exposure to ART, the frequency of MetS in this population may rise, increasing the lifetime risk for associated health problems. There is a need to study the natural history of MetS in CALWH to inform preventative and treatment interventions as needed.
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Affiliation(s)
- Grace Kisitu
- Baylor College of Medicine Children's Foundation-Uganda, Block 5 Mulago Hospital, Kampala, Uganda
| | - Veronika Shabanova
- Department of Pediatrics, Yale School of Medicine, New Haven, Connecticut, USA
- Department of Biostatistics, Yale School of Public Health, New Haven, Connecticut, USA
| | - Fairuzi Naiga
- Baylor College of Medicine Children's Foundation-Uganda, Block 5 Mulago Hospital, Kampala, Uganda
| | - Mary Nakagwa
- Baylor College of Medicine Children's Foundation-Uganda, Block 5 Mulago Hospital, Kampala, Uganda
| | - Adeodata R Kekitiinwa
- Baylor College of Medicine Children's Foundation-Uganda, Block 5 Mulago Hospital, Kampala, Uganda
| | - Peter J Elyanu
- Baylor College of Medicine Children's Foundation-Uganda, Block 5 Mulago Hospital, Kampala, Uganda
| | - Elijah Paintsil
- Department of Pediatrics, Yale School of Medicine, New Haven, Connecticut, USA
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Stern K, Aaltonen HL, Weykamp M, Gaskins D, Qui Q, O'Keefe G, Littman A, Linnau K, Rowhani-Rahbar A. Associations of Fatty Liver Disease With Recovery After Traumatic Injury. J Surg Res 2023; 291:270-281. [PMID: 37480755 DOI: 10.1016/j.jss.2023.06.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 05/25/2023] [Accepted: 06/19/2023] [Indexed: 07/24/2023]
Abstract
INTRODUCTION Fatty liver disease (FLD) is associated with systemic inflammation, metabolic disease, and socioeconomic risk factors for poor health outcomes. Little is known on how adults with FLD recover from traumatic injury. METHODS We studied adults admitted to the intensive care unit of a level 1 trauma center (2016-2020), excluding severe head injury/cirrhosis (N = 510). We measured the liver-spleen attenuation difference in Hounsfield units (HUL-S) using virtual noncontrast computerized tomography scans: none (HUL-S>1), mild (-10≤HUL-S<1), moderate/severe (HUL-S < -10). We used Cox models to examine the "hazard" of recovery from systemic inflammatory response (SIRS score 2 or higher) organ dysfunction, defined as sequential organ failure assessment score 2 or higher, and lactate clearance (<2 mmol/L) in relation to FLD. RESULTS Fifty-one participants had mild and 29 had moderate/severe FLD. The association of FLD with recovery from SIRS differed according to whether an individual had shock on admission (hazard ratio [HR] = 0.76; 95% confidence interval [CI] 0.55-1.05 with shock; HR = 1.81; 95% CI 1.43-2.28 without shock). Compared to patients with no FLD, the hazard of lactate clearance was similar for mild FLD (HR = 1.04; 95% CI 0.63-1.70) and lower for moderate/severe FLD (HR = 0.40; 95% CI 0.18-0.89). CONCLUSIONS FLD is common among injured adults. Associations of FLD with outcomes after shock and critical illness warrant further study.
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Affiliation(s)
- Katherine Stern
- Division of Trauma, Burn & Critical Care, Department of Surgery, Harborview Medical Center, Seattle, Washington; Department of Surgery, University of Washington School of Medicine, Seattle, Washington; University of California San Francisco East Bay General Surgery Residency Program, Oakland, California; University of Washington School of Public Health, Seattle, Washington.
| | - H Laura Aaltonen
- Department of Surgery, University of Washington School of Medicine, Seattle, Washington; Department of Radiology, University of Washington School of Medicine, Seattle, Washington
| | - Mike Weykamp
- Division of Trauma, Burn & Critical Care, Department of Surgery, Harborview Medical Center, Seattle, Washington; Department of Surgery, University of Washington School of Medicine, Seattle, Washington; University of Washington School of Public Health, Seattle, Washington
| | - Devin Gaskins
- Department of Surgery, University of Washington School of Medicine, Seattle, Washington
| | - Qian Qui
- Harborview Injury Prevention & Research Center, Seattle, Washington
| | - Grant O'Keefe
- Division of Trauma, Burn & Critical Care, Department of Surgery, Harborview Medical Center, Seattle, Washington; Department of Surgery, University of Washington School of Medicine, Seattle, Washington; Harborview Injury Prevention & Research Center, Seattle, Washington
| | - Alyson Littman
- University of Washington School of Public Health, Seattle, Washington; VA Puget Sound Health Care System, Seattle, Washington
| | - Ken Linnau
- Division of Trauma, Burn & Critical Care, Department of Surgery, Harborview Medical Center, Seattle, Washington; Department of Surgery, University of Washington School of Medicine, Seattle, Washington; Department of Radiology, University of Washington School of Medicine, Seattle, Washington
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Shi SY, Jia F, Wang MF, Zhou YF, Li JJ. Impacts of Non-alcoholic Fatty Liver Disease on Acute Coronary Syndrome: Evidence and Controversies. Curr Atheroscler Rep 2023; 25:751-768. [PMID: 37768409 PMCID: PMC10564833 DOI: 10.1007/s11883-023-01146-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/23/2023] [Indexed: 09/29/2023]
Abstract
PURPOSE OF REVIEW Acute coronary syndrome (ACS) and non-alcoholic fatty liver disease (NAFLD) are two clinically common disease entities that share numerous risk factors. This review aimed to discuss the impacts of NAFLD on ACS. RECENT FINDINGS In an era of improved control of traditional risk factors, the substantial burden of cardiometabolic abnormalities has caused widespread concern. NAFLD is considered the hepatic component of metabolic syndrome, which can exert an impact on human health beyond the liver. Accumulating studies have demonstrated that NAFLD is closely related to cardiovascular disease, especially coronary artery disease. Interestingly, although recent data have suggested an association between NAFLD and the incidence and outcomes of ACS, the results are not consistent. In this review, we comprehensively summarized evidence and controversies regarding whether NAFLD is a contributor to either the development of ACS or worse outcomes in patients with ACS. The potential pathophysiological and molecular mechanisms involved in the impacts of NAFLD on ACS were also elucidated.
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Affiliation(s)
- Shun-Yi Shi
- Department of Cardiology, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Fang Jia
- Department of Cardiology, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Meng-Fei Wang
- Department of Cardiology, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Ya-Feng Zhou
- Department of Cardiology, Suzhou Dushu Lake Hospital, Dushu Lake Hospital Affiliated to Soochow University, Medical Center of Soochow University, Suzhou, China
| | - Jian-Jun Li
- Cardio-Metabolism Center, Fu Wai Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, BeiLiShi Road 167, Beijing, 10037, China.
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Vakil Z, Ahire K. Clinical Profile of Nonalcoholic Fatty Liver Disease and its Correlation with Metabolic Syndrome and Cardiovascular Risk. Int J Appl Basic Med Res 2023; 13:234-239. [PMID: 38229733 PMCID: PMC10789464 DOI: 10.4103/ijabmr.ijabmr_138_23] [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: 03/27/2023] [Revised: 10/12/2023] [Accepted: 10/13/2023] [Indexed: 01/18/2024] Open
Abstract
Background Nonalcoholic fatty liver disease (NAFLD) has been projected, within the next 20 years, to become the major cause of liver-related morbidity and mortality as well as a leading indication for liver transplantation. Affected South Asian Indians are at higher risk for the development of metabolic syndrome (MS), type 2 diabetes, and cardiovascular disease. There is a dearth of data related to NAFLD and its various sequelae and correlation with cardiovascular disease in South Asia. Materials and Methods It was an observational, prospective study conducted over 2 years on 80 patients in a tertiary care hospital in Mumbai. All patients diagnosed with NAFLD were investigated for MS according to the National Cholesterol Education Program Adult Treatment Panel III criteria, and a relationship between NAFLD and MS was correlated. Results MS was found to be present in 72.5% of the patients. Significant results were obtained while correlating MS parameters and fatty liver grading, implying that patients with a higher fatty liver grading were more likely to have derangements in metabolic markers. Conclusion NAFLD was found to be associated with an increased incidence of MS and thereby a higher risk of cardiovascular disease, warranting a high index of suspicion for both. A higher ultrasound grading of fatty liver was found to be associated with an increased incidence of MS.
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Affiliation(s)
- Zahaan Vakil
- Department of General Medicine, Seth G. S. Medical College and KEM Hospital, Mumbai, Maharashtra, India
| | - Kiran Ahire
- Department of General Medicine, Seth G. S. Medical College and KEM Hospital, Mumbai, Maharashtra, India
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8
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Petagine L, Zariwala MG, Patel VB. Non-alcoholic fatty liver disease: Immunological mechanisms and current treatments. World J Gastroenterol 2023; 29:4831-4850. [PMID: 37701135 PMCID: PMC10494768 DOI: 10.3748/wjg.v29.i32.4831] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 07/14/2023] [Accepted: 08/07/2023] [Indexed: 08/25/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) causes significant global disease burden and is a leading cause of mortality. NAFLD induces a myriad of aberrant changes in hepatocytes at both the cellular and molecular level. Although the disease spectrum of NAFLD is widely recognised, the precise triggers for disease progression are still to be fully elucidated. Furthermore, the propagation to cirrhosis is poorly understood. Whilst some progress in terms of treatment options have been explored, an incomplete understanding of the hepatic cellular and molecular alterations limits their clinical utility. We have therefore reviewed some of the key pathways responsible for the pathogenesis of NAFLD such as innate and adaptative immunity, lipotoxicity and fibrogenesis, and highlighted current trials and treatment options for NAFLD patients.
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Affiliation(s)
- Lucy Petagine
- Centre for Nutraceuticals, School of Life Sciences, University of Westminster, London W1W6UW, United Kingdom
| | - Mohammed Gulrez Zariwala
- Centre for Nutraceuticals, School of Life Sciences, University of Westminster, London W1W6UW, United Kingdom
| | - Vinood B Patel
- Centre for Nutraceuticals, School of Life Sciences, University of Westminster, London W1W6UW, United Kingdom
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Carrascosa JM, Vilarrasa E, Belinchón I, Herranz P, Crespo J, Guimerá F, Olveira A. Common Approach to Metabolic-Associated Fatty Liver Disease in Patients With Psoriasis: Consensus-Based Recommendations From a Multidisciplinary Group of Experts. ACTAS DERMO-SIFILIOGRAFICAS 2023; 114:392-401. [PMID: 36720362 DOI: 10.1016/j.ad.2023.01.004] [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: 11/10/2022] [Revised: 01/11/2023] [Accepted: 01/17/2023] [Indexed: 01/31/2023] Open
Abstract
Recent years have seen concerted efforts to understand the relation between psoriasis and metabolic-associated fatty liver disease (MAFLD). Not only is MALFD diagnosed more often in patients with psoriasis, but its clinical course is also more aggressive. A common approach is therefore needed to enable early detection of liver disease coincident with psoriasis. Especially important is an analysis of risks and benefits of potentially hepatotoxic treatments. This consensus paper presents the recommendations of a group of experts in dermatology and hepatology regarding screening for MALFD as well as criteria for monitoring patients and referring them to hepatologists when liver disease is suspected.
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Affiliation(s)
- J M Carrascosa
- Departamento de Dermatología, Hospital Universitario Germans Trias i Pujol, Universitat Autònoma de Barcelona. IGTP Badalona, Barcelona, España.
| | - E Vilarrasa
- Departamento de Dermatología, Hospital Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, España
| | - I Belinchón
- Departamento de Dermatología, Hospital General Universitario de Alicante, Instituto de Investigación Sanitaria y Biomédica (ISABIAL), Universidad Miguel Hernández de Elche, Alicante, España
| | - P Herranz
- Departamento de Dermatología, Hospital Universitario La Paz, Madrid, España
| | - J Crespo
- Servicio de Gastroenterología y Hepatología, Hospital Universitario Marqués de Valdecilla. IDIVAL. Escuela de Medicina. Universidad de Cantabria, Santander, España
| | - F Guimerá
- Servicio de Dermatología y Patología, Hospital Universitario de Canarias, La Laguna, España
| | - A Olveira
- Servicio de Aparato Digestivo, Hospital Universitario La Paz, Madrid, España
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Patel AH, Peddu D, Amin S, Elsaid MI, Minacapelli CD, Chandler TM, Catalano C, Rustgi VK. Nonalcoholic Fatty Liver Disease in Lean/Nonobese and Obese Individuals: A Comprehensive Review on Prevalence, Pathogenesis, Clinical Outcomes, and Treatment. J Clin Transl Hepatol 2023; 11:502-515. [PMID: 36643037 PMCID: PMC9817050 DOI: 10.14218/jcth.2022.00204] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 08/09/2022] [Accepted: 08/12/2022] [Indexed: 12/24/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most common liver disease worldwide, with an estimated prevalence of 25% globally. NAFLD is closely associated with metabolic syndrome, which are both becoming increasingly more common with increasing rates of insulin resistance, dyslipidemia, and hypertension. Although NAFLD is strongly associated with obesity, lean or nonobese NAFLD is a relatively new phenotype and occurs in patients without increased waist circumference and with or without visceral fat. Currently, there is limited literature comparing and illustrating the differences between lean/nonobese and obese NAFLD patients with regard to risk factors, pathophysiology, and clinical outcomes. In this review, we aim to define and further delineate different phenotypes of NAFLD and present a comprehensive review on the prevalence, incidence, risk factors, genetic predisposition, and pathophysiology. Furthermore, we discuss and compare the clinical outcomes, such as insulin resistance, dyslipidemia, hypertension, coronary artery disease, mortality, and progression to nonalcoholic steatohepatitis, among lean/nonobese and obese NAFLD patients. Finally, we summarize the most up to date current management of NAFLD, including lifestyle interventions, pharmacologic therapies, and surgical options.
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Affiliation(s)
- Ankoor H. Patel
- Department of Medicine, Division of Gastroenterology and Hepatology, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA,Center for Liver Diseases and Masses, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Dhiraj Peddu
- Department of Medicine, Division of Gastroenterology and Hepatology, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA,Center for Liver Diseases and Masses, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Sahil Amin
- Department of Medicine, Division of Gastroenterology and Hepatology, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA,Center for Liver Diseases and Masses, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Mohamed I. Elsaid
- Department of Biomedical Informatics, College of Medicine, The Ohio State University, Columbus, OH, USA,Secondary Data Core, Center for Biostatistics, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Carlos D. Minacapelli
- Department of Medicine, Division of Gastroenterology and Hepatology, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA,Center for Liver Diseases and Masses, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Toni-Marie Chandler
- Department of Medicine, Division of Gastroenterology and Hepatology, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA,Center for Liver Diseases and Masses, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Carolyn Catalano
- Department of Medicine, Division of Gastroenterology and Hepatology, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA,Center for Liver Diseases and Masses, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Vinod K. Rustgi
- Department of Medicine, Division of Gastroenterology and Hepatology, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA,Center for Liver Diseases and Masses, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA,Correspondence to: Vinod K. Rustgi, Rutgers Robert Wood Johnson Medical School, 1 Robert Wood Johnson Place, Medical Education Building, Rm # 466, New Brunswick, NJ 08901, USA. ORCID: https://orcid.org/0000-0002-4105-5783. Tel: +1-301-801-5814, Fax: +1-723-235-5537, E-mail:
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11
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Zhang Q, Luo X, Zhou L, Nguyen TD, Prince MR, Spincemaille P, Wang Y. Fluid Mechanics Approach to Perfusion Quantification: Vasculature Computational Fluid Dynamics Simulation, Quantitative Transport Mapping (QTM) Analysis of Dynamics Contrast Enhanced MRI, and Application in Nonalcoholic Fatty Liver Disease Classification. IEEE Trans Biomed Eng 2023; 70:980-990. [PMID: 36107908 DOI: 10.1109/tbme.2022.3207057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE We quantify liver perfusion using quantitative transport mapping (QTM) method that is free of arterial input function (AIF). QTM method is validated in a vasculature computational fluid dynamics (CFD) simulation and is applied for processing dynamic contrast enhanced (DCE) MRI images in differentiating liver with nonalcoholic fatty liver disease (NAFLD) from healthy controls using pathology reference in a preclinical rabbit model. METHODS QTM method was validated on a liver perfusion simulation based on fluid dynamics using a rat liver vasculature model and the mass transport equation. In the NAFLD grading task, DCE MRI images of 7 adult rabbits with methionine choline-deficient diet-induced nonalcoholic steatohepatitis (NASH), 8 adult rabbits with simple steatosis (SS) were acquired and processed using QTM method and dual-input two compartment Kety's method respectively. Statistical analysis was performed on six perfusion parameters: velocity magnitude | u | derived from QTM, liver arterial blood flow LBFa, liver venous blood flow LBFv, permeability Ktrans, blood volume Vp and extravascular space volume Ve averaged in liver ROI. RESULTS In the simulation, QTM method successfully reconstructed blood flow, reduced error by 48% compared to Kety's method. In the preclinical study, only QTM |u| showed significant difference between high grade NAFLD group and low grade NAFLD group. CONCLUSION QTM postprocesses DCE-MRI automatically through deconvolution in space and time to solve the inverse problem of the transport equation. Comparing with Kety's method, QTM method showed higher accuracy and better differentiation in NAFLD classification task. SIGNIFICANCE We propose to apply QTM method in liver DCE MRI perfusion quantification.
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Hepatoprotective Effect of Kaempferol: A Review of the Dietary Sources, Bioavailability, Mechanisms of Action, and Safety. Adv Pharmacol Pharm Sci 2023; 2023:1387665. [PMID: 36891541 PMCID: PMC9988374 DOI: 10.1155/2023/1387665] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 09/27/2022] [Accepted: 02/03/2023] [Indexed: 03/02/2023] Open
Abstract
The liver is the body's most critical organ that performs vital functions. Hepatic disorders can affect the physiological and biochemical functions of the body. Hepatic disorder is a condition that describes the damage to cells, tissues, structures, and functions of the liver, which can cause fibrosis and ultimately result in cirrhosis. These diseases include hepatitis, ALD, NAFLD, liver fibrosis, liver cirrhosis, hepatic failure, and HCC. Hepatic diseases are caused by cell membrane rupture, immune response, altered drug metabolism, accumulation of reactive oxygen species, lipid peroxidation, and cell death. Despite the breakthrough in modern medicine, there is no drug that is effective in stimulating the liver function, offering complete protection, and aiding liver cell regeneration. Furthermore, some drugs can create adverse side effects, and natural medicines are carefully selected as new therapeutic strategies for managing liver disease. Kaempferol is a polyphenol contained in many vegetables, fruits, and herbal remedies. We use it to manage various diseases such as diabetes, cardiovascular disorders, and cancers. Kaempferol is a potent antioxidant and has anti-inflammatory effects, which therefore possesses hepatoprotective properties. The previous research has studied the hepatoprotective effect of kaempferol in various hepatotoxicity protocols, including acetaminophen (APAP)-induced hepatotoxicity, ALD, NAFLD, CCl4, HCC, and lipopolysaccharide (LPS)-induced acute liver injury. Therefore, this report aims to provide a recent brief overview of the literature concerning the hepatoprotective effect of kaempferol and its possible molecular mechanism of action. It also provides the most recent literature on kaempferol's chemical structure, natural source, bioavailability, and safety.
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Lee JH, Kim SY, Kim DI. Association of muscle strength and body mass index with risk factors for metabolic syndrome and its prevalence in Korean adult women. BMC Public Health 2022; 22:2060. [PMID: 36357875 PMCID: PMC9650810 DOI: 10.1186/s12889-022-14520-y] [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: 05/01/2022] [Accepted: 09/26/2022] [Indexed: 11/12/2022] Open
Abstract
Background The aim of this study was to investigate the effects of muscle strength and BMI (body Mass Index) on Metabolic syndrome (MetS) risk factors and prevalence in Korean adult women, using data from the Korea National Health and Nutrition Examination Survey. Methods A total of 3189 Korean adults women participated in the cross-sectional study. Participants were measured BMI, MetS risk factors including waist-circumference (WC), fasting glucose (FG), triglyceride (TG), high density lipoprotein cholesterol (HDL-C), and handgrip strength as muscle strength. Results As a result ‘high BMI & Low muscle strength’, ‘low BMI & low muscle strength’, and ‘high BMI & high muscle strength’ groups had a significantly higher prevalence of Mets [OR (Odd ratio): 1.49, 95% CI (confidence interval): 1.01 2.20; OR: 5.77, 95% CI: 4.32 7.17; OR: 10.46, 95% CI: 8.05 13.59] than ‘low BMI & high muscle strength’ group; and after adjusting smoking, menstruation status, and drinking rate, the OR were 1.07 (95% CI: 0.71–1.61), 4.89 (95% CI: 3.60–6.55), and 7.38 (95% CI: 5.63–9.68), respectively. Conclusions These findings indicated that increasing muscle strength and lowering BMI through regular physical activity and exercise are effective methods to reduce the prevalence of risk factors for Mets.
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Lu Z, Li Y, Li AJ, Syn WK, Wank SA, Lopes-Virella MF, Huang Y. Loss of GPR40 in LDL receptor-deficient mice exacerbates high-fat diet-induced hyperlipidemia and nonalcoholic steatohepatitis. PLoS One 2022; 17:e0277251. [PMID: 36331958 PMCID: PMC9635748 DOI: 10.1371/journal.pone.0277251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 10/21/2022] [Indexed: 11/06/2022] Open
Abstract
GPR40, a G protein-coupled receptor for free fatty acids (FFAs), is considered as a therapeutic target for type 2 diabetes mellitus (T2DM) since GPR40 activation in pancreatic beta cells enhances glucose-stimulated insulin secretion. Nonalcoholic fatty liver disease (NAFLD) is a common complication of T2DM or metabolic syndrome (MetS). However, the role of GPR40 in NAFLD associated with T2DM or MetS has not been well established. Given that it is known that cholesterol and FFAs are critically involved in the pathogenesis of nonalcoholic steatohepatitis (NASH) and LDL receptor (LDLR)-deficient mice are a good animal model for human hyperlipidemia including high cholesterol and FFAs, we generated GPR40 and LDLR double knockout (KO) mice in this study to determine the effect of GPR40 KO on hyperlipidemia-promoted NASH. We showed that GPR40 KO increased plasma levels of cholesterol and FFAs in high-fat diet (HFD)-fed LDLR-deficient mice. We also showed that GPR40 KO exacerbated HFD-induced hepatic steatosis, inflammation and fibrosis. Further study demonstrated that GPR40 KO led to upregulation of hepatic CD36 and genes involved in lipogenesis, fatty acid oxidation, fibrosis and inflammation. Finally, our in vitro mechanistic studies showed that while CD36 was involved in upregulation of proinflammatory molecules in macrophages by palmitic acid (PA) and lipopolysaccharide (LPS), GPR40 activation in macrophages exerts anti-inflammatory effects. Taken together, this study demonstrated for the first time that loss of GPR40 in LDLR-deficient mice exacerbated HFD-induced hyperlipidemia, hepatic steatosis, inflammation and fibrosis potentially through a CD36-dependent mechanism, suggesting that GPR40 may play a beneficial role in hyperlipidemia-associated NASH in LDLR-deficient mice.
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Affiliation(s)
- Zhongyang Lu
- Division of Endocrinology, Diabetes and Metabolic Diseases, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, United States of America
| | - Yanchun Li
- Division of Endocrinology, Diabetes and Metabolic Diseases, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, United States of America
| | - Ai-Jun Li
- Programs in Neuroscience, Washington State University, Pullman, Washington, United States of America
| | - Wing-Kin Syn
- Division of Gastroenterology and Hepatology, Medical University of South Carolina, Charleston, South Carolina, United States of America
- Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina, United States of America
- Department of Physiology, Faculty of Medicine and Nursing, University of the Basque Country, Euskal Herriko Unibertsitatea/Universidad del País Vasco, Leioa, Spain
| | - Stephen A. Wank
- National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland, United States of America
| | - Maria F. Lopes-Virella
- Division of Endocrinology, Diabetes and Metabolic Diseases, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, United States of America
- Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina, United States of America
| | - Yan Huang
- Division of Endocrinology, Diabetes and Metabolic Diseases, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, United States of America
- Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina, United States of America
- * E-mail:
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da Cruz NS, Pasquarelli-do-Nascimento G, e Oliveira ACP, Magalhães KG. Inflammasome-Mediated Cytokines: A Key Connection between Obesity-Associated NASH and Liver Cancer Progression. Biomedicines 2022; 10:biomedicines10102344. [PMID: 36289606 PMCID: PMC9598450 DOI: 10.3390/biomedicines10102344] [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: 09/06/2022] [Accepted: 09/18/2022] [Indexed: 11/18/2022] Open
Abstract
Liver cancer is one of the most lethal malignancies and is commonly diagnosed as hepatocellular carcinoma (HCC), a tumor type that affects about 90% of patients. Non-alcoholic steatohepatitis (NASH) and obesity are both risk factors for this disease. HCC initiation and progression are deeply linked with changes in the hepatic microenvironment, with cytokines playing key roles. The understanding of the pathogenic pathways that connect these disorders to liver cancer remains poor. However, the inflammasome-mediated cytokines associated with both diseases are central actors in liver cancer progression. The release of the pro-inflammatory cytokines IL-1β and IL-18 during inflammasome activation leads to several detrimental effects on the liver microenvironment. Considering the critical crosstalk between obesity, NASH, and HCC, this review will present the connections of IL-1β and IL-18 from obesity-associated NASH with HCC and will discuss approaches to using these cytokines as therapeutic targets against HCC.
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Jia L, Zhang M, Wang P, Wang L, Lei P, Du R, Han L, Zhang P, Wang Y, Jiang M. Alismatis Rhizoma methanolic extract—Effects on metabolic syndrome and mechanisms of triterpenoids using a metabolomic and lipidomic approach. Front Pharmacol 2022; 13:983428. [PMID: 36160458 PMCID: PMC9500195 DOI: 10.3389/fphar.2022.983428] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 08/11/2022] [Indexed: 11/30/2022] Open
Abstract
Alismatis rhizoma is a traditional Chinese medicine. Studies have demonstrated that Alismatis rhizoma also has therapeutic effects on metabolic syndrome. However, the pharmacodynamic material basis and mechanism are still unclear. First, UHPLC/Q-Orbitrap MS was used to detect the chemical components of the Alismatis rhizoma extract, and 31 triterpenoids and 2 sesquiterpenes were preliminarily identified. Then, to investigate the mechanism of the Alismatis rhizoma extract on metabolic syndrome, a mouse model of metabolic syndrome induced by high-fructose drinks was established. The results of serum biochemical analysis showed that the levels of TG, TC, LDL-C, and UA after the Alismatis rhizoma extract treatment were markedly decreased. 1H-NMR was used to conduct non-targeted metabolomics studies. A total of 20 differential metabolites were associated with high-fructose–induced metabolic syndrome, which were mainly correlated with 11 metabolic pathways. Moreover, UHPLC/Q-Orbitrap MS lipidomics analysis found that a total of 53 differential lipids were screened out. The results showed that Alismatis rhizoma extract mainly reduces the synthesis of glycerophospholipid and ceramide and improves the secretion of bile acid. This study shows that the Alismatis rhizoma extract can treat metabolic syndrome mainly by inhibiting energy metabolism, amino acid metabolism, and regulating bile acid to reduce phospholipid content.
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Affiliation(s)
- Li Jia
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Min Zhang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Pengli Wang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Liming Wang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Peng Lei
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Ruijiao Du
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Lifeng Han
- Haihe Laboratory of Modern Chinese Medicine, Tianjin, China
| | - Peng Zhang
- Haihe Laboratory of Modern Chinese Medicine, Tianjin, China
| | - Yuefei Wang
- Haihe Laboratory of Modern Chinese Medicine, Tianjin, China
| | - Miaomiao Jiang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- *Correspondence: Miaomiao Jiang,
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Montemayor S, Mascaró CM, Ugarriza L, Casares M, Gómez C, Martínez JA, Tur JA, Bouzas C. Intrahepatic Fat Content and COVID-19 Lockdown in Adults with NAFLD and Metabolic Syndrome. Nutrients 2022; 14:nu14173462. [PMID: 36079720 PMCID: PMC9457922 DOI: 10.3390/nu14173462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/18/2022] [Accepted: 08/19/2022] [Indexed: 11/16/2022] Open
Abstract
Background: COVID-19 lockdowns had a significant impact on people’s health, triggering levels of anxiety, perceived stress, and changes in food and nutritional status. Objectives: To assess the changes in dietary habits, metabolic syndrome (MetS) and liver parameters before and after the COVID-19 lockdown according to changes in intrahepatic fat content in adults with non-alcoholic fatty liver disease (NAFLD) and MetS. Design: Pre- and post-lockdown observation of the COVID-19 lockdown on fifty-nine 40–60-year-old participants with MetS and NAFLD, in a parallel group, randomised experiment intended to treat NAFLD. Methods: Anthropometrics, liver and MetS biochemical parameters, intrahepatic fat content by abdominal magnetic resonance imaging, and dietary assessment using a validated 148-item Food Frequency Questionnaire were collected pre-COVID-19 lockdown and post-lockdown. Results: COVID-19 lockdown led to negative changes in the liver of patients with NAFLD and MetS, with weight gain and increases in glycemia, ALT and intrahepatic fat content post lockdown. Participants with worsened liver status had low consumption of fibre, cheese, nuts and coffee, and high consumption of sweets and pastries. Participants who improved liver status ameliorated ALT values, waist circumference, and intrahepatic fat content, assessed by magnetic resonance imaging post-lockdown. Conclusions: The maintenance of healthy lifestyle habits is vital, especially for populations with NAFLD and MetS, to reduce unhealthy lifestyle patterns displayed during lockdown.
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Affiliation(s)
- Sofía Montemayor
- Research Group on Community Nutrition and Oxidative Stress, University of the Balearic Islands-IUNICS, 07122 Palma de Mallorca, Spain
- Health Institute of the Balearic Islands (IDISBA), 07120 Palma de Mallorca, Spain
| | - Catalina M. Mascaró
- Research Group on Community Nutrition and Oxidative Stress, University of the Balearic Islands-IUNICS, 07122 Palma de Mallorca, Spain
- Health Institute of the Balearic Islands (IDISBA), 07120 Palma de Mallorca, Spain
| | - Lucía Ugarriza
- Research Group on Community Nutrition and Oxidative Stress, University of the Balearic Islands-IUNICS, 07122 Palma de Mallorca, Spain
- Health Institute of the Balearic Islands (IDISBA), 07120 Palma de Mallorca, Spain
- Camp Redó Primary Health Care Center, 07010 Palma de Mallorca, Spain
| | - Miguel Casares
- Radiodiagnosis Service, Red Asistencial Juaneda, 07011 Palma de Mallorca, Spain
| | - Cristina Gómez
- Research Group on Community Nutrition and Oxidative Stress, University of the Balearic Islands-IUNICS, 07122 Palma de Mallorca, Spain
- Health Institute of the Balearic Islands (IDISBA), 07120 Palma de Mallorca, Spain
- Clinical Analysis Service, Universitary Hospital Son Espases, 07120 Palma de Mallorca, Spain
| | - J. Alfredo Martínez
- Center for Nutrition Research, Department of Nutrition, Food Sciences, and Physiology, University of Navarra, 31008 Pamplona, Spain
- Cardiometabolics Precision Nutrition Program, IMDEA Food, CEI UAM-CSIC, 28049 Madrid, Spain
| | - Josep A. Tur
- Research Group on Community Nutrition and Oxidative Stress, University of the Balearic Islands-IUNICS, 07122 Palma de Mallorca, Spain
- Health Institute of the Balearic Islands (IDISBA), 07120 Palma de Mallorca, Spain
- CIBEROBN (Physiopathology of Obesity and Nutrition CB12/03/30038), Instituto de Salud Carlos III (ISCIII), 28029 Madrid, Spain
- Correspondence:
| | - Cristina Bouzas
- Research Group on Community Nutrition and Oxidative Stress, University of the Balearic Islands-IUNICS, 07122 Palma de Mallorca, Spain
- Health Institute of the Balearic Islands (IDISBA), 07120 Palma de Mallorca, Spain
- CIBEROBN (Physiopathology of Obesity and Nutrition CB12/03/30038), Instituto de Salud Carlos III (ISCIII), 28029 Madrid, Spain
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Sabir U, Irfan HM, Alamgeer, Umer I, Niazi ZR, Asjad HMM. Phytochemicals targeting NAFLD through modulating the dual function of forkhead box O1 (FOXO1) transcription factor signaling pathways. Naunyn Schmiedebergs Arch Pharmacol 2022; 395:741-755. [PMID: 35357518 DOI: 10.1007/s00210-022-02234-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 03/18/2022] [Indexed: 02/06/2023]
Abstract
Literature evidence reveals that natural compounds are potential candidates for ameliorating obesity-associated non-alcoholic fatty liver disease (NAFLD) by targeting forkhead box O1 (FOXO1) transcription factor. FOXO1 has a dual and complex role in regulating both increase and decrease in lipid accumulation in hepatocytes and adipose tissues (AT) at different stages of NAFLD. In insulin resistance (IR), it is constitutively expressed, resulting in increased hepatic glucose output and lipid metabolism irregularity. The studies on different phytochemicals indicate that dysregulation of FOXO1 causes disturbance in cellular nutrients homeostasis, and the natural entities have an enduring impact on the mitigation of these abnormalities. The current review communicates and evaluates certain phytochemicals through different search engines, targeting FOXO1 and its downstream cellular pathways to find lead compounds as potential therapeutic agents for treating NAFLD and related metabolic disorders. The findings of this review confirm that polyphenols, flavonoids, alkaloids, terpenoids, and anthocyanins are capable of modulating FOXO1 and associated signaling pathways, and they are potential therapeutic agents for NAFLD and related complications. HIGHLIGHTS: • FOXO1 has the potential to be targeted by novel drugs from natural sources for the treatment of NAFLD and obesity. • FOXO1 regulates cellular autophagy, inflammation, oxidative stress, and lipogenesis through alternative mechanisms. • Phytochemicals treat NAFLD by acting on FOXO1 or SREBP1c and PPARγ transcription factor signaling pathways.
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Affiliation(s)
- Usman Sabir
- Department of Pharmacology, College of Pharmacy, University of Sargodha, Sargodha, Pakistan
| | - Hafiz Muhammad Irfan
- Department of Pharmacology, College of Pharmacy, University of Sargodha, Sargodha, Pakistan.
| | - Alamgeer
- Punjab University College of Pharmacy, University of the Punjab Lahore, Lahore, Pakistan
| | - Ihtisham Umer
- Pharmacy Department, Comsat International University Lahore Campus, Lahore, Pakistan
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Kimura I, Kagawa S, Tsuneki H, Tanaka K, Nagashima F. Multitasking bamboo leaf-derived compounds in prevention of infectious, inflammatory, atherosclerotic, metabolic, and neuropsychiatric diseases. Pharmacol Ther 2022; 235:108159. [DOI: 10.1016/j.pharmthera.2022.108159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 01/30/2022] [Accepted: 02/14/2022] [Indexed: 10/19/2022]
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The beneficial cutoffs of vitamin D for metabolic syndrome varies by sex among the elderly Chinese population: a cross-sectional study. Nutr Res 2022; 104:91-100. [DOI: 10.1016/j.nutres.2022.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 04/29/2022] [Accepted: 05/06/2022] [Indexed: 11/17/2022]
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Elsaid MI, Bridges JF, Li N, Rustgi VK. Metabolic Syndrome Severity Predicts Mortality in Nonalcoholic Fatty Liver Disease. GASTRO HEP ADVANCES 2022; 1:445-456. [PMID: 39131673 PMCID: PMC11308509 DOI: 10.1016/j.gastha.2022.02.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 02/02/2022] [Indexed: 08/13/2024]
Abstract
Background and Aims Previous studies have examined the effects of metabolic syndrome (MetS) presence rather than the severity on mortality risk in nonalcoholic fatty liver disease (NAFLD). We used the MetS severity score, a validated gender- and race-specific measure, to assess the relationship between MetS severity and mortality risk in NAFLD. Methods The study included 10,638 adults aged between 20 and 74 years who participated in the Third National Health and Nutrition Examination Survey. NAFLD was defined as mild, moderate, or severe hepatic steatosis on ultrasound without excessive alcohol intake and other liver diseases. Adjusted Cox proportional models were used to test the association between the MetS severity score and mortality risk related to all-cause, heart disease, diabetes, and hypertension. Results The median MetS severity score was significantly higher in NAFLD (0.49 [69th] vs -0.23 [41st]). An increase in the MetS severity corresponded to a linear rise in biomarkers for cardiovascular disease, insulin resistance, lipid abnormalities, and liver and kidney problems. The MetS severity score was a significant predictor for all-cause and cause-specific adjusted mortalities. A quartile increase in MetS severity score was associated with higher mortality risks from all-causes adjusted hazard ratio (aHR) 1.36 (95% confidence interval [CI]: 1.17-1.57), heart disease aHR 1.70 (95% CI: 1.17-2.47), diabetes aHR 3.64 (95% CI: 2.27-5.83), and hypertension aHR 1.87 (95% CI: 1.14-3.04). A higher MetS severity score was also associated with nonlinear increased risks of mortality in all adjusted models. Conclusion The MetS severity score is a clinically accessible tool that can be used to identify and monitor NAFLD patients at the highest risk of mortality.
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Affiliation(s)
- Mohamed I. Elsaid
- Department of Biomedical Informatics, College of Medicine, The Ohio State University, Columbus, Ohio
- Secondary Data Core, Center for Biostatistics, College of Medicine, The Ohio State University, Columbus, Ohio
| | - John F.P. Bridges
- Secondary Data Core, Center for Biostatistics, College of Medicine, The Ohio State University, Columbus, Ohio
- Department of Surgery, College of Medicine, The Ohio State University, Columbus, Ohio
| | - Na Li
- Division of Gastroenterology, Hepatology, & Nutrition, College of Medicine, The Ohio State University, Columbus, Ohio
| | - Vinod K. Rustgi
- Division of Gastroenterology and Hepatology, Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey
- Center for Liver Diseases and Masses, Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey
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Leite N, Tadiotto MC, Corazza PRP, de Menezes Junior FJ, Carli MEC, Milano-Gai GE, Lopes WA, Gaya AR, Brand C, Mota J, Radominski RB. Responsiveness on metabolic syndrome criteria and hepatic parameters after 12 weeks and 24 weeks of multidisciplinary intervention in overweight adolescents. J Endocrinol Invest 2022; 45:741-752. [PMID: 34780051 DOI: 10.1007/s40618-021-01699-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 11/01/2021] [Indexed: 12/14/2022]
Abstract
PURPOSE This study aimed to evaluate the effect and individual responsiveness after 12 (12wk) and 24 weeks (24wk) of physical exercise (PE) and nutritional guidance (NG) on metabolic syndrome (MetS) criteria and hepatic parameters in overweight adolescents. METHODS The study comprised 94 overweight adolescents, aged between 10 and 16 years old, from both sexes, allocated into groups: PE and NG (PENGG, n = 64) and control with NG (NGCG, n = 30). Variables were collected at baseline, 12wk, and 24wk. Weight, height, abdominal circumference (AC), blood pressure, and peak oxygen consumption (VO2peak), as well as insulin, triglycerides (TAG), high-density lipoprotein (HDL-c), aspartate aminotransferase (AST) and alanine aminotransferase (ALT) were evaluated. HOMA-IR and QUICKI were calculated. PE session consisted of 45 min of indoor cycling, 45 min of walking, and 20 min of stretching, three times a week. The NG consisted of three collective sessions in the first 12wk. Anova, effect size, and prevalence of responders were used for statistical analysis. RESULTS The PENGG12wk reduced anthropometric and metabolic measurements, while increased VO2peak and HDL-c. The PEG24wk promoted anthropometric, blood pressure, metabolic, and VO2peak improvements, but participants without PE returned to pre-exercise status and presented worsening AST and ALT concentrations. Frequencies of respondents in PENGG12wk versus (vs) NGCG12wk were, respectively, AC (69.1% vs 17.6%, p < 0.01), HDL-c (87.2% vs 23.5%, p < 0.01), TAG (67.3% vs 41.7%, p = 0.05) and ALT (45.5% vs 5,9%; p = 0.003). CONCLUSION Interventions with PE were effective to reduce MetS components in 12wk and maintenance in 24wk, showing anthropometric, metabolic, and VO2peak improvements. Higher individual responses were observed in 12wk and in 24wk, important changes in overweight adolescent's therapy. LEVEL OF EVIDENCE Level I, evidence obtained from well-designed controlled trials randomization. TRIAL REGISTRATION NUMBER AND DATE OF REGISTRATION Brazilian Registry of Clinical Trials (RBR-4v6h7b) and date of registration April 4th, 2020.
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Affiliation(s)
- N Leite
- Department of Physical Education, Federal University of Parana, Street Cel. Francisco H. dos Santos, 100, Jardim das Américas, Curitiba, Paraná, 81531-980, Brazil.
- Research Center in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sports, University of Porto, Porto, Portugal.
| | - M C Tadiotto
- Department of Physical Education, Federal University of Parana, Street Cel. Francisco H. dos Santos, 100, Jardim das Américas, Curitiba, Paraná, 81531-980, Brazil
| | - P R P Corazza
- Department of Physical Education, Federal University of Parana, Street Cel. Francisco H. dos Santos, 100, Jardim das Américas, Curitiba, Paraná, 81531-980, Brazil
| | - F J de Menezes Junior
- Department of Physical Education, Federal University of Parana, Street Cel. Francisco H. dos Santos, 100, Jardim das Américas, Curitiba, Paraná, 81531-980, Brazil
| | - M E C Carli
- Department of Physical Education, Federal University of Parana, Street Cel. Francisco H. dos Santos, 100, Jardim das Américas, Curitiba, Paraná, 81531-980, Brazil
| | - G E Milano-Gai
- Department of Physical Education, Federal University of Parana, Street Cel. Francisco H. dos Santos, 100, Jardim das Américas, Curitiba, Paraná, 81531-980, Brazil
| | - W A Lopes
- Department of Physical Education, Federal University of Parana, Street Cel. Francisco H. dos Santos, 100, Jardim das Américas, Curitiba, Paraná, 81531-980, Brazil
- Department of Physical Education, State University of Maringá, Maringá, Paraná, Brazil
| | - A R Gaya
- Department of Physical Education, Federal University of Rio Grande Do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - C Brand
- Graduate Program in Health Promotion, University of Santa Cruz Do Sul, Santa Cruz Do Sul, Rio Grande do Sul, Brazil
| | - J Mota
- Research Center in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sports, University of Porto, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), Porto, Portugal
| | - R B Radominski
- Department of Nutrition, Federal University of Paraná, Curitiba, Paraná, Brazil
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Serdarova M, Dimova R, Chakarova N, Grozeva G, Todorova A, Tsarkova P, Marinova C, Popov D, Mateva L, Tankova T. Metabolic determinants of NAFLD in adults with type 1 diabetes. Diabetes Res Clin Pract 2022; 186:109819. [PMID: 35248654 DOI: 10.1016/j.diabres.2022.109819] [Citation(s) in RCA: 2] [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: 12/13/2021] [Revised: 02/05/2022] [Accepted: 02/28/2022] [Indexed: 12/12/2022]
Abstract
AIM To assess the main metabolic determinants of non-alcoholic fatty liver disease (NAFLD) in adult patients with type 1 diabetes (T1D). METHODS 115 patients with T1D were divided into 4 groups according to NAFLD grade. NAFLD was diagnosed via transient elastography when CAP > 233 dB/m. Body composition was evaluated by Inbody720, Biospace. Serum lipids, liver enzymes, uric acid, creatinine, hsCRP and HbA1c were evaluated at fasting. RESULTS The overall prevalence of NAFLD was 47% (n = 54). In the subgroup with BMI > 25 kg/m2 NAFLD prevalence was 66%; and positive family history of type 2 diabetes brought the risk up to 76%. 37% of the lean individuals also had NAFLD. HbA1c > 7% doubled the risk of NAFLD. Waist circumference > 82.5 cm was independently related to NAFLD, accounting for 24% of its variation in females. Accumulation of two and three metabolic syndrome (MetS) components, besides hyperglycemia, increased the risk of NAFLD by 14% (p < 0.0001) and 6% (p = 0.024), respectively. Lean NAFLD correlated with total insulin dose; NAFLD in overweight T1D patients correlated with triglycerides. CONCLUSIONS NAFLD is highly prevalent in adults with T1D and obesity or other metabolic derangements and might be independently related to poor long-term glycemic control and waist circumference in females.
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Affiliation(s)
- M Serdarova
- Department of Endocrinology, Medical University of Sofia, Bulgaria.
| | - R Dimova
- Department of Endocrinology, Medical University of Sofia, Bulgaria
| | - N Chakarova
- Department of Endocrinology, Medical University of Sofia, Bulgaria
| | - G Grozeva
- Department of Endocrinology, Medical University of Sofia, Bulgaria
| | - A Todorova
- Department of Endocrinology, Medical University of Sofia, Bulgaria
| | - P Tsarkova
- Department of Endocrinology, Medical University of Sofia, Bulgaria
| | - C Marinova
- Department of Internal Diseases, Medical University of Sofia, Bulgaria
| | - D Popov
- Department of Internal Diseases, Medical University of Sofia, Bulgaria
| | - L Mateva
- Department of Internal Diseases, Medical University of Sofia, Bulgaria
| | - T Tankova
- Department of Endocrinology, Medical University of Sofia, Bulgaria
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24
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Assumpção JAF, Pasquarelli-do-Nascimento G, Duarte MSV, Bonamino MH, Magalhães KG. The ambiguous role of obesity in oncology by promoting cancer but boosting antitumor immunotherapy. J Biomed Sci 2022; 29:12. [PMID: 35164764 PMCID: PMC8842976 DOI: 10.1186/s12929-022-00796-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 02/07/2022] [Indexed: 12/13/2022] Open
Abstract
Obesity is nowadays considered a pandemic which prevalence's has been steadily increasingly in western countries. It is a dynamic, complex, and multifactorial disease which propitiates the development of several metabolic and cardiovascular diseases, as well as cancer. Excessive adipose tissue has been causally related to cancer progression and is a preventable risk factor for overall and cancer-specific survival, associated with poor prognosis in cancer patients. The onset of obesity features a state of chronic low-grade inflammation and secretion of a diversity of adipocyte-derived molecules (adipokines, cytokines, hormones), responsible for altering the metabolic, inflammatory, and immune landscape. The crosstalk between adipocytes and tumor cells fuels the tumor microenvironment with pro-inflammatory factors, promoting tissue injury, mutagenesis, invasion, and metastasis. Although classically established as a risk factor for cancer and treatment toxicity, recent evidence suggests mild obesity is related to better outcomes, with obese cancer patients showing better responses to treatment when compared to lean cancer patients. This phenomenon is termed obesity paradox and has been reported in different types and stages of cancer. The mechanisms underlying this paradoxical relationship between obesity and cancer are still not fully described but point to systemic alterations in metabolic fitness and modulation of the tumor microenvironment by obesity-associated molecules. Obesity impacts the response to cancer treatments, such as chemotherapy and immunotherapy, and has been reported as having a positive association with immune checkpoint therapy. In this review, we discuss obesity's association to inflammation and cancer, also highlighting potential physiological and biological mechanisms underlying this association, hoping to clarify the existence and impact of obesity paradox in cancer development and treatment.
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Affiliation(s)
| | | | - Mariana Saldanha Viegas Duarte
- Immunology and Tumor Biology Program - Research Coordination, Brazilian National Cancer Institute (INCA), Rio de Janeiro, Brazil
| | - Martín Hernan Bonamino
- Immunology and Tumor Biology Program - Research Coordination, Brazilian National Cancer Institute (INCA), Rio de Janeiro, Brazil
- Vice - Presidency of Research and Biological Collections (VPPCB), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, Brazil
| | - Kelly Grace Magalhães
- Laboratory of Immunology and Inflammation, Department of Cell Biology, University of Brasilia, Brasília, DF, Brazil.
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25
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Chou YT, Sun ZJ, Shen WC, Yang YC, Lu FH, Chang CJ, Li CY, Wu JS. Cumulative Betel Quid Chewing and the Risk of Significant Liver Fibrosis in Subjects With and Without Metabolic Syndrome. Front Nutr 2022; 9:765206. [PMID: 35223941 PMCID: PMC8873786 DOI: 10.3389/fnut.2022.765206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 01/04/2022] [Indexed: 11/13/2022] Open
Abstract
Background Betel quid chewing is associated with metabolic disorders, oral cancer, cardiovascular disease, and chronic liver diseases. Metabolic syndrome (MetS) is also a factor associated with liver fibrosis, cirrhosis, and hepatocellular carcinoma (HCC). However, studies on the relationship between betel quid and liver fibrosis while also considering MetS are lacking. The aim of this study was thus to investigate the association of betel quid chewing and liver fibrosis with MetS. Methods A total of 9,221 subjects were enrolled after excluding subjects <18 years of age, with past history of chronic liver diseases, cancer, significant alcohol consumption, and incomplete data. Betel nut chewing habit was classified into three groups: none, former-chewing, and current-chewing, and cumulative exposure was calculated by multiplying the duration with the quantity. Liver fibrosis was evaluated based on the NAFLD fibrosis score (NFS), which is a composite score of age, hyperglycemia, BMI, platelet count, albumin, and the AST/ALT ratio. Significant liver fibrosis was defined as NFS ≥-1.455. Results After adjusting for other variables, MetS was positively associated with significant liver fibrosis. Subjects with both MetS and betel quid chewing had a higher associated risk of significant liver fibrosis than those with neither MetS nor betel quid chewing (adjusted OR: 3.03, 95% CI: 2.04–4.50, p < 0.001). Betel quid chewing was associated with significant liver fibrosis (adjusted OR: 2.00, 95% CI: 1.14–3.49, p = 0.015) in subjects with MetS, but not in subjects without. Conclusion Metabolic syndrome increased the associated risk of significant liver fibrosis. Cumulative betel quid exposure increased the associated risk of significant liver fibrosis in subjects with MetS, but not in subjects without.
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Affiliation(s)
- Yu-Tsung Chou
- Department of Health Management Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Zih-Jie Sun
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Family Medicine, National Cheng Kung University Hospital Dou-Liou Branch, College of Medicine, National Cheng Kung University, Yunlin, Taiwan
| | - Wei-Chen Shen
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yi-Ching Yang
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Family Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Feng-Hwa Lu
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Family Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Community Healthcare Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Geriatric Medicine, School of Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chih-Jen Chang
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Family Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi, Taiwan
| | - Chung-Yi Li
- Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Public Health, College of Public Health, China Medical University, Taichung, Taiwan
| | - Jin-Shang Wu
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Family Medicine, National Cheng Kung University Hospital Dou-Liou Branch, College of Medicine, National Cheng Kung University, Yunlin, Taiwan
- Department of Family Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- *Correspondence: Jin-Shang Wu
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Gutiérrez-Cuevas J, Santos A, Armendariz-Borunda J. Pathophysiological Molecular Mechanisms of Obesity: A Link between MAFLD and NASH with Cardiovascular Diseases. Int J Mol Sci 2021; 22:ijms222111629. [PMID: 34769060 PMCID: PMC8583943 DOI: 10.3390/ijms222111629] [Citation(s) in RCA: 87] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 09/16/2021] [Indexed: 02/06/2023] Open
Abstract
Obesity is now a worldwide epidemic ensuing an increase in comorbidities’ prevalence, such as insulin resistance, type 2 diabetes (T2D), metabolic dysfunction-associated fatty liver disease (MAFLD), nonalcoholic steatohepatitis (NASH), hypertension, cardiovascular disease (CVD), autoimmune diseases, and some cancers, CVD being one of the main causes of death in the world. Several studies provide evidence for an association between MAFLD and atherosclerosis and cardio-metabolic disorders, including CVDs such as coronary heart disease and stroke. Therefore, the combination of MAFLD/NASH is associated with vascular risk and CVD progression, but the underlying mechanisms linking MAFLD/NASH and CVD are still under investigation. Several underlying mechanisms may probably be involved, including hepatic/systemic insulin resistance, atherogenic dyslipidemia, hypertension, as well as pro-atherogenic, pro-coagulant, and pro-inflammatory mediators released from the steatotic/inflamed liver. MAFLD is strongly associated with insulin resistance, which is involved in its pathogenesis and progression to NASH. Insulin resistance is a major cardiovascular risk factor in subjects without diabetes. However, T2D has been considered the most common link between MAFLD/NASH and CVD. This review summarizes the evidence linking obesity with MAFLD, NASH, and CVD, considering the pathophysiological molecular mechanisms involved in these diseases. We also discuss the association of MAFLD and NASH with the development and progression of CVD, including structural and functional cardiac alterations, and pharmacological strategies to treat MAFLD/NASH and cardiovascular prevention.
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Affiliation(s)
- Jorge Gutiérrez-Cuevas
- Department of Molecular Biology and Genomics, Institute for Molecular Biology in Medicine and Gene Therapy, University of Guadalajara, CUCS, Guadalajara 44340, Jalisco, Mexico
- Correspondence: (J.G.-C.); (J.A.-B.); Tel.: +52-331-062-2083 (J.G.-C.); +52-333-677-8741 (J.A.-B.)
| | - Arturo Santos
- Tecnologico de Monterrey, School of Medicine and Health Sciences, Campus Guadalajara, Zapopan 45201, Jalisco, Mexico;
| | - Juan Armendariz-Borunda
- Department of Molecular Biology and Genomics, Institute for Molecular Biology in Medicine and Gene Therapy, University of Guadalajara, CUCS, Guadalajara 44340, Jalisco, Mexico
- Tecnologico de Monterrey, School of Medicine and Health Sciences, Campus Guadalajara, Zapopan 45201, Jalisco, Mexico;
- Correspondence: (J.G.-C.); (J.A.-B.); Tel.: +52-331-062-2083 (J.G.-C.); +52-333-677-8741 (J.A.-B.)
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27
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Kastberg SE, Lund HS, de Lucia-Rolfe E, Kaduka LU, Boit MK, Corpeleijn E, Friis H, Bernard S, Paquette M, Baas A, Rasmussen JJ, Christensen DL. Hepatic steatosis is associated with anthropometry, cardio-metabolic disease risk, sex, age and urbanisation, but not with ethnicity in adult Kenyans. Trop Med Int Health 2021; 27:49-57. [PMID: 34704339 PMCID: PMC7614816 DOI: 10.1111/tmi.13696] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
OBJECTIVE We aimed to determine the associations of non-alcoholic fatty liver disease (NAFLD) with cardio-metabolic risk factors for diabetes in adult Kenyans. METHODS A cross-sectional study was undertaken among rural and urban Kenyans of different ethnic origin. Ultrasonography scanning (USS) methods were used for the assessment of hepatic fat accumulation for NAFLD assessment and abdominal fat distribution, and simple anthropometry measurements were performed. All participants underwent a 2-h oral glucose tolerance test, and biochemical, haemodynamic and lifestyle data were obtained. Multivariate logistic regression analyses were used to assess sex, age, residency and ethnic differences in the association between NAFLD and various metabolic parameters. RESULTS In total, 743 individuals (59.1% women) with a mean age of 38.0 (range 18-68) years participated in the study. Overall, 118 individuals (15.9%) had NAFLD, of whom 94.1% had mild steatosis. Age >40 years was significantly associated with having NAFLD compared with <30 years of age with no difference found in NAFLD between ethnic groups (Luo, Kamba, Maasai). All body composition and clinical measurements were associated with NAFLD (p < 0.045 for OR). CONCLUSION Finding lower odds for NAFLD in men was unexpected, as was the lack of differences in NAFLD among the ethnic groups, while higher odds for NAFLD with increasing age and in urban vs. rural populations was expected. Especially the sex-specific results warrant further studies in black African populations on biology of body composition for having NAFLD, and whether this translates into insulin resistance and higher risk of diabetes and consequently cardiovascular disease in black African women.
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Affiliation(s)
- Sophie E Kastberg
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Helene S Lund
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Emanuella de Lucia-Rolfe
- NIHR Cambridge Biomedical Research Centre-Diet, Anthropometry and Physical Activity Group, MRC Epidemiology Unit, Institute of Metabolic Science, University of Cambridge, Cambridge, UK
| | - Lydia U Kaduka
- Centre for Public Health Research, KEMRI, Nairobi, Kenya
| | - Michael K Boit
- Department of Physical, Exercise and Sport Science, Kenyatta University, Nairobi, Kenya
| | - Eva Corpeleijn
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Henrik Friis
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Copenhagen, Denmark
| | - Sophie Bernard
- Lipids, Nutrition and Cardiovascular Prevention Clinic of the Montreal Clinical Research Institute, Montreal, Canada
| | - Martine Paquette
- Lipids, Nutrition and Cardiovascular Prevention Clinic of the Montreal Clinical Research Institute, Montreal, Canada
| | - Alexis Baas
- Lipids, Nutrition and Cardiovascular Prevention Clinic of the Montreal Clinical Research Institute, Montreal, Canada.,Department of Medicine, Divisions of Experimental Medicine and Medical Biochemistry, McGill University, Montreal, Canada
| | - Jon J Rasmussen
- Department of Endocrinology, Copenhagen University Hospital (Rigshospitalet), Copenhagen, Denmark
| | - Dirk L Christensen
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
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Feedback Signaling between Cholangiopathies, Ductular Reaction, and Non-Alcoholic Fatty Liver Disease. Cells 2021; 10:cells10082072. [PMID: 34440841 PMCID: PMC8391272 DOI: 10.3390/cells10082072] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 08/03/2021] [Accepted: 08/04/2021] [Indexed: 12/12/2022] Open
Abstract
Fatty liver diseases, such as non-alcoholic fatty liver disease (NAFLD), are global health disparities, particularly in the United States, as a result of cultural eating habits and lifestyle. Pathological studies on NAFLD have been mostly focused on hepatocytes and other inflammatory cell types; however, the impact of other biliary epithelial cells (i.e., cholangiocytes) in the promotion of NAFLD is growing. This review article will discuss how cholestatic injury and cholangiocyte activity/ductular reaction influence NAFLD progression. Furthermore, this review will provide informative details regarding the fundamental properties of cholangiocytes and bile acid signaling that can influence NAFLD. Lastly, studies relating to the pathogenesis of NAFLD, cholangiopathies, and ductular reaction will be analyzed to help gain insight for potential therapies.
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Pereira ENGDS, Paula DP, Araujo BPD, Fonseca MDJMD, Diniz MDFHS, Daliry A, Griep RH. Advanced glycation end product: A potential biomarker for risk stratification of non-alcoholic fatty liver disease in ELSA-Brasil study. World J Gastroenterol 2021; 27:4913-4928. [PMID: 34447235 PMCID: PMC8371502 DOI: 10.3748/wjg.v27.i29.4913] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 03/18/2021] [Accepted: 04/26/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Liver diseases are associated with the excess formation of advanced glycation end products (AGEs), which induce tissue inflammation and oxidative damage. However, the trend of oxidative marker levels according to the steatosis grade in non-alcoholic fatty liver disease (NAFLD) is unclear.
AIM To compare serum AGE levels between participants with NAFLD accordingly to steatosis severity in the baseline ELSA-Brasil population.
METHODS In 305 individuals at baseline ELSA-Brasil, NAFLD-associated steatosis was classified by ultrasound hepatic attenuation. The participants were grouped according to the severity of steatosis: mild and moderate/severe pooled. The measurement of serum fluorescent AGE concentrations was based on spectrofluorimetric detection. Serum AGE content and clinical and laboratory characteristics of the participants were compared between groups. The correlation between serum AGE levels and the grade of steatosis was analyzed. Logistic regression analysis was used to investigate the relationship between serum AGE levels and steatosis severity. A P value < 0.05 was considered statistically significant.
RESULTS According to the steatosis severity spectrum in NAFLD, from mild to moderate/severe, individuals with the most severe steatosis grade had a higher incidence of metabolic syndrome (63% vs 34%, P ≤ 0.001), diabetes mellitus (37% vs 14%, P ≤ 0.001), and high cholesterol levels (51% vs 33%, P < 0.001). Moreover, individuals with increasing severity of steatosis presented increasing waist circumference, body mass index, systolic and diastolic blood pressure, fasting blood glucose, glycated hemoglobin, insulin, triglycerides, alanine aminotransferase, gamma-glutamyl transferase, C-reactive protein, and uric acid levels and lower high-density lipoprotein. Higher serum AGE content was present in the moderate/severe group of individuals than in the mild group (P = 0.008). In addition, the serum AGE levels were correlated with the steatosis grade in the overall sample (rho = 0.146, P = 0.010). Logistic regression analysis, after adjusting for confounding variables, showed that subjects with higher serum AGE content had a 4.6-fold increased chance of having moderate or severe steatosis when compared to low levels of serum AGEs. According to the results of the receiver operator characteristic curves analyses (areas under the curve, AUC = 0.83), AGEs could be a good marker of steatosis severity in patients with NAFLD and might be a potential biomarker in predicting NAFLD progression, strengthening the involvement of AGE in NAFLD pathogenesis.
CONCLUSION NAFLD-associated steatosis was associated with serum AGE levels; therefore, plasmatic fluorescent AGE quantification by spectroscopy could be a promising alternative method to monitor progression from mild to severe NAFLD accordingly to steatosis grade.
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Affiliation(s)
| | - Daniela Polessa Paula
- National School of Statistical Sciences, Brazilian Institute of Geography and Statistics, Rio de Janeiro 20231-050, Brazil
| | - Beatriz Peres de Araujo
- Laboratory of Cardiovascular Investigation, Oswaldo Cruz Foundation, Rio de Janeiro 21040-360, Brazil
| | | | | | - Anissa Daliry
- Laboratory of Cardiovascular Investigation, Oswaldo Cruz Foundation, Rio de Janeiro 21040-360, Brazil
| | - Rosane Harter Griep
- Laboratory of Health and Environment Education, Oswaldo Cruz Foundation, Rio de Janeiro 21040-360, Brazil
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Gamil NMB, El Agaty SM, Megahed GK, Mansour RS, Abdel-Latif MS. Reversion to regular diet with alternate day fasting can cure grade-I non-alcoholic fatty liver disease (NAFLD) in high-fructose-intake-associated metabolic syndrome. EGYPTIAN LIVER JOURNAL 2021. [DOI: 10.1186/s43066-021-00128-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Abstract
Background
Non-alcoholic fatty liver disease (NAFLD) is an emerging global health problem that accompanied the obesity epidemic and is considered as the hepatic component of metabolic syndrome (MetS). Modification of lifestyle of MetS patients remains the focus to reverse and prevent progression of hepatic steatosis to NAFLD and its worsening to severe forms. The present study investigates the possible curability of metabolic syndrome -associated grade-1 NAFLD merely by alternate day fasting with or without reversion to regular diet in adult male rats. The present study was performed on 66 local strain male rats aged (6–10 m.) distributed randomly into C group (n = 12), on regular rat diet; and M group (n = 54) on high fructose- intake. On the 8th week, then rats were subjected to measurement of BW, BMI, WC, FBG, IPGTT, HDL-C, TGs, and liver histopathology, to include MetS rats randomly into four experimental groups for 4 weeks as follows: MS (n = 14); MSRD (n = 12); MSF (n = 13); and MSRDF (n = 12). On the 12th week, all rats were subjected to measurements of BW, BMI, WC, LW, LW/BW, VFW, VFW/BW, FBG, IPGTT, Ins., HOMA-IR, HbA1C, TGs, TC, LDL-C, HDL-C, CRP, Alb., bilirubin, ALT, L-MDA, and liver histopathology.
Results
On the 8th week, M group developed MerS and grade-I NAFLD with score-4 hepatosteatosis (69%). On the 12th week, MS group had grade-1 NAFLD with score-4 hepatosteatosis (82%) with significantly increased Ins., HOMA-IR, HDL-C, LW, LW/BW, L-MDA, ALT, CRP, and significantly decreased Alb. than C rats. Both MSRD and MSF groups had grade-1 NAFLD with score-3 hepatosteatosis (42%) with significantly decreased Ins., HOMA-IR, TC, LDL-C, LW, LW/BW, L-MDA, ALT, CRP, and significantly increased HDL-C and Alb. than MS group. MSRDF rats showed cure of grade-1 NAFLD and significantly decreased LW than other groups and normalized HOMA-IR, HbA1C TC, LDL-C, ALT, and CRP.
Conclusion
One month of alternate-day fasting and regular rat diet could cure grade-I NAFLD associated with Mets due to high fructose intake possibly by attenuating metabolic disorders. These two interventions might be recommended in the management of MetS patients with grade 1-NAFLD disease.
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The Therapeutic Effects and Mechanisms of Quercetin on Metabolic Diseases: Pharmacological Data and Clinical Evidence. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6678662. [PMID: 34257817 PMCID: PMC8249127 DOI: 10.1155/2021/6678662] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 01/17/2021] [Accepted: 06/08/2021] [Indexed: 12/27/2022]
Abstract
Metabolic diseases have become major public health issues worldwide. Searching for effective drugs for treating metabolic diseases from natural compounds has attracted increasing attention. Quercetin, an important natural flavonoid, is extensively present in fruits, vegetables, and medicinal plants. Due to its potentially beneficial effects on human health, quercetin has become the focus of medicinal attention. In this review, we provide a timely and comprehensive summary of the pharmacological advances and clinical data of quercetin in the treatment of three metabolic diseases, including diabetes, hyperlipidemia, and nonalcoholic fatty liver disease (NAFLD). Accumulating evidences obtained from animal experiments prove that quercetin has beneficial effects on these three diseases. It can promote insulin secretion, improve insulin resistance, lower blood lipid levels, inhibit inflammation and oxidative stress, alleviate hepatic lipid accumulation, and regulate gut microbiota disorders in animal models. However, human clinical studies on the effects of quercetin in diabetes, hyperlipidemia, and NAFLD remain scarce. More clinical trials with larger sample sizes and longer trial durations are needed to verify its true effectiveness in human subjects. Moreover, another important issue that needs to be resolved in future research is to improve the bioavailability of quercetin. This review may provide valuable information for the basic research, drug development, and clinical application of quercetin in the treatment of metabolic diseases.
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Haufe S, Hupa-Breier KL, Bayerle P, Boeck HT, Rolff S, Sundermeier T, Kerling A, Eigendorf J, Kück M, Hanke AA, Ensslen R, Nachbar L, Lauenstein D, Böthig D, Hilfiker-Kleiner D, Stiesch M, Terkamp C, Wedemeyer H, Haverich A, Tegtbur U. Telemonitoring-Supported Exercise Training in Employees With Metabolic Syndrome Improves Liver Inflammation and Fibrosis. Clin Transl Gastroenterol 2021; 12:e00371. [PMID: 34140456 PMCID: PMC8216678 DOI: 10.14309/ctg.0000000000000371] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 04/28/2021] [Indexed: 01/03/2023] Open
Abstract
INTRODUCTION Metabolic syndrome (MetS) is a major health problem worldwide and the main risk factor for metabolic-associated fatty liver disease (MAFLD). Established treatment options are lifestyle interventions facilitating dietary change and increased physical activity. Here, we tested the effect of a telemonitoring-supported intervention on liver parameter of inflammation and fibrosis in individuals with MetS. METHODS This was a prospective, randomized, parallel-group, and assessor-blind study performed in workers of the main Volkswagen factory (Wolfsburg, Germany). Volunteers with diagnosed MetS were randomly assigned (1:1) to a 6-month lifestyle intervention focusing on supervised, activity-tracker-guided exercise or to a waiting-list control group. This secondary analysis assessed the effect of the intervention on liver enzymes and MAFLD-related parameters. RESULTS We screened 543 individuals between October 10, 2017, and February 27, 2018, of whom 314 were randomly assigned to the intervention group (n = 160) or control group (n = 154). Liver transaminases, alkaline phosphatase, and gamma-glutamyl transferase significantly decreased after 6 months in the intervention group compared with the CG. Furthermore, an aspartate aminotransferase-to-platelet ratio index score as a marker for liver fibrosis significantly decreased in the intervention group. These improvements were associated with changes in obesity and exercise capacity. DISCUSSION A 6-month lifestyle intervention based on exercise training with individualized telemonitoring-based supervision led to improvements of liver inflammation and fibrosis in employees with MetS. Therefore, this intervention shows therapeutic potential for individuals at high risk of MAFLD (ClinicalTrials.gov Identifier: NCT03293264).
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Affiliation(s)
- Sven Haufe
- Institute of Sports Medicine, Hannover Medical School, Hannover, Germany;
- Institute of Sports Science, Leibniz University Hannover, Hannover, Germany;
| | - Katharina L. Hupa-Breier
- Department of Gastroenterology, Hepatology, and Endocrinology, Hannover Medical School, Hannover, Germany;
| | - Pauline Bayerle
- Institute of Sports Medicine, Hannover Medical School, Hannover, Germany;
| | - Hedwig T. Boeck
- Institute of Sports Medicine, Hannover Medical School, Hannover, Germany;
| | - Simone Rolff
- Institute of Sports Medicine, Hannover Medical School, Hannover, Germany;
| | | | - Arno Kerling
- Institute of Sports Medicine, Hannover Medical School, Hannover, Germany;
| | - Julian Eigendorf
- Institute of Sports Medicine, Hannover Medical School, Hannover, Germany;
| | - Momme Kück
- Institute of Sports Medicine, Hannover Medical School, Hannover, Germany;
| | - Alexander A. Hanke
- Institute of Sports Medicine, Hannover Medical School, Hannover, Germany;
| | | | | | | | - Dietmar Böthig
- Department of Cardiac, Thoracic, Transplantation, and Vascular Surgery, Hannover Medical School, Germany;
| | | | - Meike Stiesch
- Department of Prosthetic Dentistry and Biomedical Materials Science, Hannover Medical School, Hannover, Germany.
| | - Christoph Terkamp
- Department of Gastroenterology, Hepatology, and Endocrinology, Hannover Medical School, Hannover, Germany;
| | - Heiner Wedemeyer
- Department of Gastroenterology, Hepatology, and Endocrinology, Hannover Medical School, Hannover, Germany;
| | - Axel Haverich
- Department of Cardiac, Thoracic, Transplantation, and Vascular Surgery, Hannover Medical School, Germany;
| | - Uwe Tegtbur
- Institute of Sports Medicine, Hannover Medical School, Hannover, Germany;
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Ahmed M, Ahmed MH. Nonalcoholic fatty liver disease and COVID-19: An epidemic that begets pandemic. World J Clin Cases 2021; 9:4133-4142. [PMID: 34141776 PMCID: PMC8173420 DOI: 10.12998/wjcc.v9.i17.4133] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/24/2021] [Accepted: 04/26/2021] [Indexed: 02/06/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has become a global pandemic, affecting all the individuals across the planet. COVID-19 has gained significant attention due to its high prevalence among individuals with diabetes, nonalcoholic fatty liver disease (NAFLD), and metabolic syndrome. NAFLD is the hepatic manifestation of metabolic syndrome and can be associated with a high risk of developing type 2 diabetes. The association of COVID-19 and NAFLD has also gained more attention because NAFLD is highly associated with the epidemic of obesity. NAFLD is a potential risk factor for SARS-CoV-2 infection and severe COVID-19, independent of metabolic syndrome. Importantly, it is not yet clear whether the epidemics of obesity and NAFLD have perpetuated the current pandemic of COVID-19. Further research is urgently needed to assess the following: (1) Whether NAFLD is a high risk factor for SARS-CoV-2 infection; (2) Whether NAFLD is associated with the severe form of COVID-19; and (3) Whether the presence of NAFLD can explain the racial variation in the morbidity and mortality associated with COVID-19. This review summarizes the interactions between COVID-19 and NAFLD, mechanism of liver injury by COVID-19, and effect of lockdown due to COVID- 19 on patients with NAFLD.
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Affiliation(s)
- Musaab Ahmed
- College of Medicine, Ajman University, Ajman 346, United Arab Emirates
| | - Mohamed H Ahmed
- Department of Medicine and HIV Metabolic Clinic, Milton Keynes University Hospital NHS Foundation Trust, Milton Keynes MK5 6LD, United Kingdom
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Santos DCD, Oliveira Filho JGD, Sousa TLD, Ribeiro CB, Egea MB. Ameliorating effects of metabolic syndrome with the consumption of rich-bioactive compounds fruits from Brazilian Cerrado: a narrative review. Crit Rev Food Sci Nutr 2021; 62:7632-7649. [PMID: 33977838 DOI: 10.1080/10408398.2021.1916430] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Evidence suggests that bioactive compounds present in fruits and vegetables, including carotenoids, polyphenols, and phytosterols, may have beneficial effects against the development of obesity and other diseases. The fruits of the Brazilian Cerrado are rich in biologically active compounds but are underexplored by the population being used only locally dietary consumption. The objective of this review is to direct attention to the bioactive compounds already elucidated for the fruits of "Cerrado" cashew (Anacadium othanianum Rizz.), baru almond (Dipteryx alata Vogel), cagaita (Eugenia dysenterica DC.), "Cerrado" pear (Eugenia klotzschiana Berg), mangaba (Hancornia speciosa), and pequi (Caryocar brasiliense Camb), demonstrating possible metabolic effects of the consumption of these fruits on the metabolic syndrome and its risk factors. Studies have shown that Cerrado native fruits have a high content of bioactive compounds such as phenolic compounds, which also demonstrate high antioxidant capacity and may be related to the protective effect in metabolic syndrome-related diseases by act as inhibitors in various processes in lipid metabolism and glucose transport. Although more scientific evidence is still needed, the consumption of native fruits from the Cerrado seems to be a promising strategy which -along with other strategies such as nutritional therapy- can ameliorate the effects of the metabolic syndrome.
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Affiliation(s)
- Daiane Costa Dos Santos
- Institute of Tropical Pathology and Public Health, IPTSP - UFG, Goias Federal University (UFG), Goiânia, Goiás, Brazil.,School of Nutrition, Unibras College of Rio Verde, Rio Verde, Goiás, Brazil
| | | | | | | | - Mariana Buranelo Egea
- Department of Agronomy, Goiás Federal University (UFG), Goiânia, Goiás, Brazil.,Goiano Federal Institute of Education, Science, and Technology, Rio Verde, Goiás, Brazil
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Abstract
One third of the western population suffers from nonalcoholic fatty liver disease (NAFLD), which may ultimately develop into hepatocellular carcinoma (HCC). The molecular event(s) that triggers the disease are not clear. Current understanding, known as the multiple hits model, suggests that NAFLD is a result of diverse events at several tissues (e.g., liver, adipose tissues, and intestine) combined with changes in metabolism and microbiome. In contrast to this prevailing concept, we report that fatty liver could be triggered by a single mutated protein expressed only in the liver. We established a transgenic system that allows temporally controlled activation of the MAP kinase p38α in a tissue-specific manner by induced expression of intrinsically active p38α allele. Here we checked the effect of exclusive activation in the liver. Unexpectedly, induction of p38α alone was sufficient to cause macrovesicular fatty liver. Animals did not become overweight, showing that fatty liver can be imposed solely by a genetic modification in liver per se and can be separated from obesity. Active p38α-induced fatty liver is associated with up-regulation of MUC13, CIDEA, PPARγ, ATF3, and c-jun mRNAs, which are up-regulated in human HCC. Shutting off expression of the p38α mutant resulted in reversal of symptoms. The findings suggest that p38α plays a direct causative role in fatty liver diseases and perhaps in other chronic inflammatory diseases. As p38α activity was induced by point mutations, it could be considered a proto-inflammatory gene (proto-inflammagene).
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Acupoint catgut-embedding therapy as promising treatment for non-alcoholic fatty liver disease. JOURNAL OF ACUPUNCTURE AND TUINA SCIENCE 2021. [DOI: 10.1007/s11726-021-1234-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Gómez-Zorita S, Milton-Laskibar I, Macarulla MT, Biasutto L, Fernández-Quintela A, Miranda J, Lasa A, Segues N, Bujanda L, Portillo MP. Pterostilbene modifies triglyceride metabolism in hepatic steatosis induced by high-fat high-fructose feeding: a comparison with its analog resveratrol. Food Funct 2021; 12:3266-3279. [PMID: 33877249 DOI: 10.1039/d0fo03320k] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The use of phenolic compounds as a new therapeutic approach against NAFLD has emerged recently. In the present study, we aim to study the effect of pterostilbene in the prevention of liver steatosis developed as a consequence of high-fat (saturated) high-fructose feeding, by analysing the changes induced in metabolic pathways involved in triglyceride accumulation. Interestingly, a comparison with the anti-steatotic effect of its parent compound resveratrol will be made for the first time. Rats were distributed into 5 experimental groups and fed either a standard laboratory diet or a high-fat high-fructose diet supplemented with or without pterostilbene (15 or 30 mg per kg per d) or resveratrol (30 mg per kg per d) for 8 weeks. Serum triglyceride, cholesterol, NEFA and transaminase levels were quantified. Liver histological analysis was carried out by haematoxylin-eosin staining. Different pathways involved in liver triglyceride metabolism, including fatty acid synthesis, uptake and oxidation, triglyceride assembly and triglyceride release, were studied. Pterostilbene was shown to partially prevent high-fat high-fructose feeding induced liver steatosis in rats, demonstrating a dose-response pattern. In this dietary model, it acts mainly by reducing de novo lipogenesis and increasing triglyceride assembly and release. Improvement in mitochondrial functionality was also appreciated. At the same dose, the magnitude of pterostilbene and resveratrol induced effects, as well as the involved mechanisms of action, were similar.
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Affiliation(s)
- S Gómez-Zorita
- Nutrition and Obesity group, Department of Nutrition and Food Science, Faculty of Pharmacy, University of the Basque Country (UPV/EHU), Lucio Lascaray Research Center, 01006 Vitoria-Gasteiz, Spain.
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Chang TY, Chang SH, Lin YH, Ho WC, Wang CY, Jeng WJ, Wan YL, Tsui PH. Utility of quantitative ultrasound in community screening for hepatic steatosis. ULTRASONICS 2021; 111:106329. [PMID: 33338730 DOI: 10.1016/j.ultras.2020.106329] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 11/10/2020] [Accepted: 12/01/2020] [Indexed: 06/12/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disease. Quantitative ultrasound facilitates clinical grading of hepatic steatosis (the early stage of NAFLD). However, the utility of quantitative ultrasound as a first-line method for community screening of hepatic steatosis remains unclear. Therefore, this study aimed to investigate the utility of quantitative ultrasound to screen for hepatic steatosis and for metabolic evaluation at the community level. In total, 278 participants enrolled from a community satisfied the study criteria. Each subject underwent anthropometric and biochemical examinations, and abdominal ultrasound imaging was performed to measure the controlled attenuation (CAP), integrated backscatter (IB), and information Shannon entropy (ISE). The assessment outcomes were compared with the fatty liver index (FLI), hepatic steatosis index (HSI), metabolic syndrome (MetS), and insulin resistance to evaluate the screening performance through the area under the receiver operating characteristic curve (AUROC) and Delong's test. Ultrasound ISE, CAP, and IB were effective in screening hepatic steatosis, MetS, and insulin resistance. In screening for hepatic steatosis, the AUROCs of ISE, CAP, and IB were 0.85, 0.83, and 0.80 (the cutoff FLI = 60), respectively, and 0.84, 0.75, 0.77 (the cutoff HSI = 36), respectively, and those for the evaluation of MetS and insulin resistance were 0.79, 0.75, 0.79, respectively, and 0.83, 0.76, 0.78, respectively. Delong's test revealed that ISE outperformed CAP and IB for the detection of hepatic steatosis and insulin resistance (P < .05). Based on the present results, ultrasound ISE is a potential imaging biomarker during first-line community screening of hepatic steatosis and insulin resistance.
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Affiliation(s)
- Tu-Yung Chang
- Department of Anatomic Pathology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Shu-Hung Chang
- Graduate Institute of Gerontology and Health Care Management, Chang Gung University of Science and Technology, Taoyuan, Taiwan; Department of Gastroenterology and Hepatology, Chang Gung Memorial Hospital, Linkou Medical Center, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ying-Hsiu Lin
- Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Wen-Chao Ho
- Department of Public Health, College of Public Health, China Medical University, Taichung, Taiwan; Department of Nursing & Graduate Institute of Nursing, Asia University, Taichung, Taiwan
| | - Chiao-Yin Wang
- Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Wen-Juei Jeng
- Department of Gastroenterology and Hepatology, Chang Gung Memorial Hospital, Linkou Medical Center, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Yung-Liang Wan
- Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; Institute for Radiological Research, Chang Gung University and Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan.
| | - Po-Hsiang Tsui
- Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; Institute for Radiological Research, Chang Gung University and Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan.
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Xiong Y, Chen Y, Huang X, Yang Z, Zhang J, Yu X, Fang J, Tao J, You K, Cheng Z, Tan S, Xu Y, Yuan F, Liu Y, Zhuang Y, Yang F, Li Y. Icaritin ameliorates hepatic steatosis via promoting fatty acid β-oxidation and insulin sensitivity. Life Sci 2021; 268:119000. [PMID: 33417961 DOI: 10.1016/j.lfs.2020.119000] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 12/18/2020] [Accepted: 12/26/2020] [Indexed: 11/28/2022]
Abstract
AIM This study aimed to reveal the effects of icaritin (ICT) on lipotoxicity induced by palmitate (PA) in hepatic cells and steatosis in high-fat diet (HFD)-fed mice as well as exploring the potential mechanisms. MAIN METHODS Primary mouse hepatocytes and human hepatoma Huh7 cells were used to evaluate ICT effect in vitro. HFD-fed mice were used to evaluate the ICT effect in vivo. RESULTS In vitro study indicated that ICT significantly rescued PA-induced steatosis, mainly through a combination of robust increased mitochondrial respiration, fatty acid oxidation and mildly decreased synthesis of fatty acid. An HFD-fed mouse model with 8 weeks HFD-fed showed metabolic disorders, while ICT application significantly reduced the weight, serum glucose levels, insulin resistance, hepatic steatosis level and adipose contents. In consistent with the observations in cell lines, ICT rescued the HFD-impaired functions and contents of key factors related to fatty acid β-oxidation through elevated expression of peroxisome proliferator-activated receptor α (PPARα). Meanwhile, it also reversed the decreased phosphoryl levels of AKT and glucogen synthase kinase 3 (GSK3β), leading to the improvement of insulin resistance. SIGNIFICANCE ICT administration had a therapeutic effect on PA- or HFD-induced hepatic steatosis and metabolic disorders. It may provide a novel strategy to construct preventive and therapeutic means for hepatic steatosis.
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Affiliation(s)
- Yue Xiong
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Guangdong Provincial Key Laboratory of Biocomputing, GIBH, CAS, Guangzhou 510530, China
| | - Yan Chen
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, GIBH, CAS, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou, China
| | - Xinping Huang
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Guangdong Provincial Key Laboratory of Biocomputing, GIBH, CAS, Guangzhou 510530, China
| | - Zhen Yang
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Guangdong Provincial Key Laboratory of Biocomputing, GIBH, CAS, Guangzhou 510530, China
| | - Jiaye Zhang
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Guangdong Provincial Key Laboratory of Biocomputing, GIBH, CAS, Guangzhou 510530, China
| | - Xiaorui Yu
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Guangdong Provincial Key Laboratory of Biocomputing, GIBH, CAS, Guangzhou 510530, China
| | - Ji Fang
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Guangdong Provincial Key Laboratory of Biocomputing, GIBH, CAS, Guangzhou 510530, China
| | - Jiawang Tao
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Guangdong Provincial Key Laboratory of Biocomputing, GIBH, CAS, Guangzhou 510530, China
| | - Kai You
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Guangdong Provincial Key Laboratory of Biocomputing, GIBH, CAS, Guangzhou 510530, China
| | - Ziqi Cheng
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Guangdong Provincial Key Laboratory of Biocomputing, GIBH, CAS, Guangzhou 510530, China
| | - Shenglin Tan
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Guangdong Provincial Key Laboratory of Biocomputing, GIBH, CAS, Guangzhou 510530, China
| | - Yingying Xu
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, GIBH, CAS, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou, China
| | - Fang Yuan
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Guangdong Provincial Key Laboratory of Biocomputing, GIBH, CAS, Guangzhou 510530, China
| | - Ying Liu
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Guangdong Provincial Key Laboratory of Biocomputing, GIBH, CAS, Guangzhou 510530, China
| | - Yuanqi Zhuang
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, GIBH, CAS, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou, China
| | - Fan Yang
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, GIBH, CAS, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou, China
| | - Yinxiong Li
- Institute of Public Health, Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; University of Chinese Academy of Sciences (UCAS), Beijing 100049, China; Guangdong Provincial Key Laboratory of Biocomputing, GIBH, CAS, Guangzhou 510530, China; Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, GIBH, CAS, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou, China; Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou, China.
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Dietary lycopene attenuates cigarette smoke-promoted nonalcoholic steatohepatitis by preventing suppression of antioxidant enzymes in ferrets. J Nutr Biochem 2021; 91:108596. [PMID: 33548472 DOI: 10.1016/j.jnutbio.2021.108596] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 03/01/2020] [Accepted: 12/31/2020] [Indexed: 12/16/2022]
Abstract
Cigarette smoke (CS) is an independent risk factor in development of nonalcoholic steatohepatitis (NASH) and fibrosis. Lycopene, a carotenoid naturally occurring in tomatoes, has been shown to be a protective agent against tobacco carcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK)-induced NASH. In the present study using a ferret model we investigated whether CS promotes NASH and whether dietary lycopene can inhibit CS-promoted NASH development, and if so, what potential mechanisms were involved. Ferrets were divided into 4 groups (n=12-16/group): control, NNK/CS exposed, NNK/CS plus low-dose lycopene (2.2 mg/kg BW/day), and NNK/CS plus high-dose lycopene (6.6 mg/kg BW/day) groups, for 26 weeks. Results showed that hepatic steatosis, infiltrates of inflammatory cells, and the number and size of inflammatory foci in liver, together with key genes involved in hepatic fibrogenesis were higher in the NNK/CS group compared to the control group; a lycopene diet reversed these changes to the levels of the control group. Interestingly, a major lycopene cleavage enzyme, beta-carotene 9',10'-oxygenase (BCO2), which recently has been recognized to play metabolic roles beyond cleavage function, was down-regulated by NNK/CS exposure, but this decrease was prevented by lycopene feeding. NNK/CS exposure also downregulated liver expression of antioxidant enzymes and upregulated oxidative stress marker, which were all prevented by lycopene. In conclusion, our results suggest that CS can promote development of NASH and liver fibrosis in ferrets, which is associated with downregulation of BCO2 and impairment of antioxidant system in liver; dietary lycopene may inhibit CS-promoted NASH by preventing suppression of BCO2 and decline in antioxidant network.
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Berk K, Bzdega W, Konstantynowicz-Nowicka K, Charytoniuk T, Zywno H, Chabowski A. Phytocannabinoids-A Green Approach toward Non-Alcoholic Fatty Liver Disease Treatment. J Clin Med 2021; 10:393. [PMID: 33498537 PMCID: PMC7864168 DOI: 10.3390/jcm10030393] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 01/17/2021] [Accepted: 01/19/2021] [Indexed: 02/06/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is the most frequent chronic liver disease in adults in developed countries, with a global prevalence as high as one billion. The pathogenesis of NAFLD is a multifactorial and multi-step process. Nowadays, a growing body of research suggests the considerable role of the endocannabinoid system (ECS) as a complex cell-signaling system in NAFLD development. Although increased endocannabinoid tone in the liver highly contributes to NAFLD development, the complex effects and impacts of plant-derived cannabinoids in the aspect of NAFLD pathophysiology are yet not fully understood, and effective medications are still in demand. In our review, we present the latest reports describing the role of ECS in NAFLD, focusing primarily on two types of cannabinoid receptors. Moreover, we sum up the recent literature on the clinical use of natural cannabinoids in NAFLD treatment. This review is useful for understanding the importance of ECS in NAFLD development, and it also provides the basis for more extensive clinical phytocannabinoids testing in patients suffering from NAFLD.
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Affiliation(s)
- Klaudia Berk
- Department of Physiology, Medical University of Bialystok, 15-089 Białystok, Poland; (W.B.); (K.K.-N.); (T.C.); (H.Z.); (A.C.)
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Lu Z, Li Y, Syn WK, Li AJ, Ritter WS, Wank SA, Lopes-Virella MF, Huang Y. GPR40 deficiency is associated with hepatic FAT/CD36 upregulation, steatosis, inflammation, and cell injury in C57BL/6 mice. Am J Physiol Endocrinol Metab 2021; 320:E30-E42. [PMID: 33103454 PMCID: PMC8436599 DOI: 10.1152/ajpendo.00257.2020] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 09/21/2020] [Accepted: 10/15/2020] [Indexed: 02/07/2023]
Abstract
G-protein-coupled receptor 40 (GPR40) is highly expressed in pancreatic islets, and its activation increases glucose-stimulated insulin secretion from pancreas. Therefore, GPR40 is considered as a target for type 2 diabetes mellitus (T2DM). Since nonalcoholic fatty liver disease (NAFLD) is associated with T2DM and GPR40 is also expressed by hepatocytes and macrophages, it is important to understand the role of GPR40 in NAFLD. However, the role of GPR40 in NAFLD in animal models has not been well defined. In this study, we fed wild-type or GPR40 knockout C57BL/6 mice a high-fat diet (HFD) for 20 wk and then assessed the effect of GPR40 deficiency on HFD-induced NAFLD. Assays on metabolic parameters showed that an HFD increased body weight, glucose, insulin, insulin resistance, cholesterol, and alanine aminotransferase (ALT), and GPR40 deficiency did not mitigate the HFD-induced metabolic abnormalities. In contrast, we found that GPR40 deficiency was associated with increased body weight, insulin, insulin resistance, cholesterol, and ALT in control mice fed a low-fat diet (LFD). Surprisingly, histology and Oil Red O staining showed that GPR40 deficiency in LFD-fed mice was associated with steatosis. Immunohistochemical analysis showed that GPR40 deficiency also increased F4/80, a macrophage biomarker, in LFD-fed mice. Furthermore, results showed that GPR40 deficiency led to a robust upregulation of hepatic fatty acid translocase (FAT)/CD36 expression. Finally, our in vitro studies showed that GPR40 knockdown by siRNA or a GPR40 antagonist increased palmitic acid-induced FAT/CD36 mRNA in hepatocytes. Taken together, this study indicates that GPR40 plays an important role in homeostasis of hepatic metabolism and inflammation and inhibits nonalcoholic steatohepatitis by possible modulation of FAT/CD36 expression.
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Affiliation(s)
- Zhongyang Lu
- Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina
| | - Yanchun Li
- Division of Endocrinology, Diabetes, and Medical Genetics, Medical University of South Carolina, Charleston, South Carolina
| | - Wing-Kin Syn
- Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina
- Division of Gastroenterology and Hepatology, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
- Department of Physiology, Faculty of Medicine and Nursing, University of the Basque Country, Euskal Herriko Unibertsitatea/Universidad del País Vasco, Leioa, Spain
| | - Ai-Jun Li
- Integrative Physiology and Neuroscience, Washington State University, Pullman, Washington
| | - W Sue Ritter
- Integrative Physiology and Neuroscience, Washington State University, Pullman, Washington
| | - Stephen A Wank
- National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland
| | - Maria F Lopes-Virella
- Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina
- Division of Endocrinology, Diabetes, and Medical Genetics, Medical University of South Carolina, Charleston, South Carolina
| | - Yan Huang
- Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina
- Division of Endocrinology, Diabetes, and Medical Genetics, Medical University of South Carolina, Charleston, South Carolina
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Combination of luteolin and lycopene effectively protect against the “two-hit” in NAFLD through Sirt1/AMPK signal pathway. Life Sci 2020; 256:117990. [DOI: 10.1016/j.lfs.2020.117990] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 06/02/2020] [Accepted: 06/18/2020] [Indexed: 02/06/2023]
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Non-alcoholic steatohepatitis and the risk of myocardial infarction: A population-based national study. World J Hepatol 2020. [DOI: 10.4254/wjh.v12.i7.379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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Ghoneim S, Dhorepatil A, Shah AR, Ram G, Ahmad S, Kim C, Asaad I. Non-alcoholic steatohepatitis and the risk of myocardial infarction: A population-based national study. World J Hepatol 2020; 12:378-388. [PMID: 32821336 PMCID: PMC7407919 DOI: 10.4254/wjh.v12.i7.378] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 05/25/2020] [Accepted: 06/10/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Non-alcoholic fatty liver disease (NAFLD) is a systemic disease with bidirectional relationships with cardiovascular disease (CVD). Non-alcoholic steatohepatitis (NASH) is a more severe subtype of NAFLD. Patients with NASH exhibit more intra and extrahepatic inflammation, procoagulant imbalances and proatherogenic lipid profiles. Whether NASH increases the risk of ischemic heart disease is currently unclear.
AIM To investigate the relationship between acute myocardial infarction (MI) and NASH in a large cohort of subjects in the United States.
METHODS We reviewed data from a large commercial database (Explorys IBM) that aggregates electronic health records from 26 large nationwide healthcare systems. Using systemized nomenclature of clinical medical terms (SNOMED CT), we identified adult with the diagnosis of NASH from 1999-2019. We included patients with the diagnosis of acute MI from 2018-2019. Comorbidities known to be associated with NASH and MI such as obesity, diabetes mellitus, hyperlipidemia, smoking, male gender, and hypertension were collected. Univariable and multivariable analyses were performed to investigate whether NASH is independently associated with the risk of MI.
RESULTS Out of 55099280 patients, 43170 were diagnosed with NASH (0.08%) and 107000 (0.194%) had a MI within 2018-2019. After adjusting for traditional risk factors, NASH conferred greater odds of MI odds ratio (OR) 1.5 [95% confidence interval (CI): 1.40-1.62]. Hyperlipidemia had the strongest association with MI OR 8.39 (95%CI: 8.21-8.58) followed by hypertension OR 3.11 (95%CI: 3.05-3.17) and smoking OR 2.83 (95%CI: 2.79-2.87). NASH had a similar association with MI as the following traditional risk factors like age above 65 years OR 1.47 (95%CI: 1.45-1.49), male gender OR 1.53 (95%CI: 1.51-1.55) diabetes mellitus OR 1.89 (95%CI: 1.86-1.91).
CONCLUSION MI appears to be a prevalent disease in NASH. Patients with NASH may need early identification and aggressive cardiovascular risk modification.
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Affiliation(s)
- Sara Ghoneim
- Department of Internal Medicine, Case Western Reserve University at MetroHealth Medical Center, Cleveland, OH 44109, United States
| | - Aneesh Dhorepatil
- Department of Internal Medicine, Case Western Reserve University at MetroHealth Medical Center, Cleveland, OH 44109, United States
| | - Aun Raza Shah
- Department of Internal Medicine, Case Western Reserve University at MetroHealth Medical Center, Cleveland, OH 44109, United States
| | - Ganesh Ram
- Department of Pain Management, The Schulich School of Medicine and Dentistry, London, Ontario N6A 5C1, Canada
| | - Subhan Ahmad
- Department of Internal Medicine, Case Western Reserve University at MetroHealth Medical Center, Cleveland, OH 44109, United States
| | - Chang Kim
- Department of Internal Medicine, Case Western Reserve University at MetroHealth Medical Center, Cleveland, OH 44109, United States
| | - Imad Asaad
- Division of Gastroenterology, Case Western Reserve University at MetroHealth Medical Center, Cleveland, OH 44109, United States
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Okosun IS, Nkemjika S, Okosun B, Lyn R, Airhihenbuwa CO. Lifestyle Modification Practices and Drug Prescription Use in Elderly Americans with Metabolic Syndrome: A Nationwide Population-Based Study. J Natl Med Assoc 2020; 112:621-631. [PMID: 32641256 DOI: 10.1016/j.jnma.2020.06.008] [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: 04/06/2020] [Revised: 04/25/2020] [Accepted: 06/02/2020] [Indexed: 10/23/2022]
Abstract
AIM To determine differences in lifestyle modification practices and use of prescription drugs in a representative sample of Mexican American (MA), non-Hispanic White (NHW), and non-Hispanic Black (NHB) elderly Americans with metabolic syndrome (MetS). METHODS Data from the United States National Health and Nutritional Examination Surveys were used in this study. Lifestyle modification practices include ongoing physical activity, weight control, and ongoing diet modifications. Prescription drugs include anti-diabetic, anti-obesity, lipid-lowering, insulin sensitizers, renin-angiotensin system (RAS) blockers, fibrates, and cilostazol. Race/ethnic-specific prevalence odds ratios from the multivariate logistic regression analyses were used to determine associations between selected independent variables and MetS control (defined as the use of lifestyle modification practices or prescription drugs), adjusting for covariates. RESULTS The rates of ongoing weight control (73.4% versus 68.1% in MA and 66.3% in NHW) and diet modification practices (78.1% versus 77.4% in MA and 66.7% in NHW) were higher among NHB, and rate of ongoing physical activity (61.8% versus 52.8% in NHW and 56.4% in NHB) was higher among MA participants compared to their other racial/ethnic elderly counterparts (P < 0.001). Lipid-lowering and insulin-sensitizing drugs were the most commonly used prescription drugs in the last 30 days. The prevalence of nonuse of lifestyle modification practices or prescription drugs for MetS management was 15.1%, 21.3%, and 12.7% in MA, NHW, and NHB participants, respectively. MA, NHB race/ethnicity, a higher level of education, and increased BMI were significantly associated with increased odds of MetS control. Lack of drug prescription insurance and increased age were associated with decreased odds of MetS control. CONCLUSIONS Given the clinical importance of MetS, improving knowledge-based health decisions relative to lifestyle modification practices is very important. Moreover, sources of low-cost medications that links elderly patients with drug prescription coverage programs may help to improve the management of MetS.
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Affiliation(s)
- Ike S Okosun
- Department of Population Health Sciences, School of Public Health, Georgia State University, Atlanta, GA, USA.
| | - Stanley Nkemjika
- Department of Population Health Sciences, School of Public Health, Georgia State University, Atlanta, GA, USA
| | - Bryan Okosun
- Department of Molecular and Cellular Biology, Kennesaw State University, Kennesaw, GA, USA
| | - Rodney Lyn
- Department of Health Policy and Behavioral Sciences, Georgia State School of Public Health, Atlanta, GA, USA
| | - Collins O Airhihenbuwa
- Department of Health Policy and Behavioral Sciences, Georgia State School of Public Health, Atlanta, GA, USA; Global Research Against Noncommunicable Diseases (GRAND), Georgia State School of Public Health, Atlanta, USA
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Validation of a Non-Laboratory Based Screening Tool for Predicting Non-Alcoholic Fatty Liver Disease in an Egyptian Setting. Am J Med Sci 2020; 360:662-677. [PMID: 32739036 DOI: 10.1016/j.amjms.2020.06.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 05/02/2020] [Accepted: 06/18/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND Non-alcoholic fatty liver disease (NAFLD) is a common chronic liver disorder in more than 20% of the general population worldwide. Several combinations of non-invasive factors and scoring models were investigated as indicators of NAFLD. This study aimed to validate and adapt an established fatty liver score, which allows the identification of NAFLD based on routinely available clinical and laboratory data. MATERIALS AND METHODS The study cohort comprised 190 adults seeking health check-up at the out-patient clinic of a tertiary care hospital in Alexandria, Egypt. Anthropometric, clinical, and laboratory data were recorded and the status of fatty liver was diagnosed by abdominal ultrasound. A logistic regression model was built to determine the predictors of NAFLD. The performance of the derived risk scores was compared to other existing models. RESULTS Obesity (60.0%), metabolic syndrome (42.6%), and NAFLD (56.8%) were predominant features among the study population. Smoking [OR (95% CI) = 4.4 (0.9-21.4)], obesity [OR (95% CI) = 4.0 (1.7-9.7)], hypertension [OR (95% CI) = 2.4 (1.03-5.5)], elevated serum total cholesterol [OR (95% CI) = 4.8 (1.8-13.1)], triglycerides [OR (95% CI) = 11.8 (2.3-661.02)], and ALT [OR (95% CI) = 4.8 (1.8-13.1)] were multivariate predictors of NAFLD. A NAFLD screening questionnaire with values applicable for Egyptians was adapted from an existing model after validation. A total score ≥7 was suggestive of NAFLD [AUC = 0.810 (0.749-0.871); sensitivity = 87.0%; specificity = 62.2%; PPV = 75.2%; NPV = 78.5%]. CONCLUSIONS NAFLD can be sufficiently predicted among apparently healthy Egyptians by a tempted simple and non-invasive scoring index although external validation is warranted.
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Prasun P. Mitochondrial dysfunction in metabolic syndrome. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165838. [PMID: 32428560 DOI: 10.1016/j.bbadis.2020.165838] [Citation(s) in RCA: 145] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 04/30/2020] [Accepted: 05/05/2020] [Indexed: 12/29/2022]
Abstract
Metabolic syndrome is co-occurrence of obesity, insulin resistance, atherogenic dyslipidemia (high triglyceride, low high density lipoprotein cholesterol), and hypertension. It is a global health problem. An estimated 20%-30% of adults of the world have metabolic syndrome. Metabolic syndrome is associated with increased risk of type 2 diabetes mellitus, nonalcoholic fatty liver disease, myocardial infarction, and stroke. Thus, it is a major cause of morbidity and mortality worldwide. However, molecular pathogenesis of metabolic syndrome is not well known. Recently, there has been interest in the role of mitochondria in pathogenesis of metabolic problems such as obesity, metabolic syndrome, and type 2 diabetes mellitus. Mitochondrial dysfunction contributes to the oxidative stress and systemic inflammation seen in metabolic syndrome. Role of mitochondria in the pathogenesis of metabolic syndrome is intriguing but far from completely understood. However, a better understanding will be very rewarding as it may lead to novel approaches to control this major public health problem. This brief review explores pathogenesis of metabolic syndrome from a mitochondrial perspective.
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Affiliation(s)
- Pankaj Prasun
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, USA.
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Mikolasevic I, Lukenda Zanko V, Jakopcic I, Domislovic V, Mijic A, Stevanovic T, Delija B, Bokun T, Dinjar Kujundzic P, Ostojic A, Filipec Kanizaj T, Grgurevic I, Krznaric Z, Stimac D, Targher G. Prospective evaluation of non-alcoholic fatty liver disease by elastographic methods of liver steatosis and fibrosis; controlled attenuation parameter and liver stiffness measurements. J Diabetes Complications 2020; 34:107512. [PMID: 31882273 DOI: 10.1016/j.jdiacomp.2019.107512] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 11/29/2019] [Accepted: 12/12/2019] [Indexed: 02/07/2023]
Abstract
AIMS To examine the temporal changes of both controlled attenuation parameter (CAP) and liver stiffness measurements (LSM), assessed by Fibroscan, in a large sample of patients with non-alcoholic fatty liver disease (NAFLD). METHODS In this prospective, observational study, we consecutively enrolled 507 adult individuals with Fibroscan-defined NAFLD who were followed for a mean period of 21.2 ± 11.7 months. RESULTS During the follow-up period, 84 patients (16.5%) had a progression of CAP of at least 20% with a median time of 39.93 months, while 201 (39.6%) patients had a progression of LSM of at least 20% with median time of 30.46 months. There were significant differences in the proportion of LSM progression across body mass index (BMI) categories, with obese patients having the highest risk of progression over the follow-up (hazard ratio 1.66; 95%CI 1.23-2.25). Multivariable regression analysis showed that BMI and serum creatinine levels were the strongest predictors for CAP progression in the whole population, while HOMA-estimated insulin resistance was an independent predictor of LSM progression over time in the subgroup of obese patients. CONCLUSION This prospective study shows for the first time that the progression risk of both liver steatosis and fibrosis, detected non-invasively by Fibroscan, is relevant and shares essentially the same metabolic risk factors that are associated with NAFLD progression detected by other invasive methods.
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Affiliation(s)
- I Mikolasevic
- Department of gastroenterology, UHC Rijeka, Rijeka, Croatia; School of medicine, Rijeka, Croatia; Department of gastroenterology, UH Merkur, Zagreb, Croatia.
| | - V Lukenda Zanko
- Department of Internal medicine, General hospital "Josip Benčević", Slavonski Brod, Croatia
| | | | - V Domislovic
- Department of gastroenterology and hepatology, UHC Zagreb, Zagreb, Croatia
| | - A Mijic
- School of medicine, Rijeka, Croatia
| | | | - B Delija
- School of medicine, Rijeka, Croatia
| | - T Bokun
- Department of gastroenterology and hepatology, UH Dubrava, Zagreb, Croatia
| | | | - A Ostojic
- Department of gastroenterology, UH Merkur, Zagreb, Croatia
| | - T Filipec Kanizaj
- Department of gastroenterology, UH Merkur, Zagreb, Croatia; School of medicine, Zagreb, Croatia
| | - I Grgurevic
- Department of gastroenterology and hepatology, UH Dubrava, Zagreb, Croatia; School of medicine, Zagreb, Croatia
| | - Z Krznaric
- Department of gastroenterology and hepatology, UHC Zagreb, Zagreb, Croatia; School of medicine, Zagreb, Croatia
| | - D Stimac
- Department of gastroenterology, UHC Rijeka, Rijeka, Croatia; School of medicine, Rijeka, Croatia
| | - G Targher
- Section of Endocrinology, Diabetes and Metabolism, Department of Medicine, University and Azienda Ospedaliera Universitaria Integrata of Verona, Verona, Italy
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El Hadi H, Di Vincenzo A, Vettor R, Rossato M. Relationship between Heart Disease and Liver Disease: A Two-Way Street. Cells 2020; 9:cells9030567. [PMID: 32121065 PMCID: PMC7140474 DOI: 10.3390/cells9030567] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 02/23/2020] [Accepted: 02/25/2020] [Indexed: 12/18/2022] Open
Abstract
In clinical practice, combined heart and liver dysfunctions coexist in the setting of the main heart and liver diseases because of complex cardiohepatic interactions. It is becoming increasingly crucial to identify these interactions between heart and liver in order to ensure an effective management of patients with heart or liver disease to provide an improvement in overall prognosis and therapy. In this review, we aim to summarize the cross-talk between heart and liver in the setting of the main pathologic conditions affecting these organs. Accordingly, we present the clinical manifestation, biochemical profiles, and histological findings of cardiogenic ischemic hepatitis and congestive hepatopathy due to acute and chronic heart failure, respectively. In addition, we discuss the main features of cardiac dysfunction in the setting of liver cirrhosis, nonalcoholic fatty liver disease, and those following liver transplantation.
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Affiliation(s)
- Hamza El Hadi
- Internal Medicine 3, Department of Medicine—DIMED, University of Padova, Via Giustiniani 2, 35100 Padova, Italy; (H.E.H.); (A.D.V.); (R.V.)
- Department of Medicine, Klinikum Rheine, 48431 Rheine, Germany
| | - Angelo Di Vincenzo
- Internal Medicine 3, Department of Medicine—DIMED, University of Padova, Via Giustiniani 2, 35100 Padova, Italy; (H.E.H.); (A.D.V.); (R.V.)
| | - Roberto Vettor
- Internal Medicine 3, Department of Medicine—DIMED, University of Padova, Via Giustiniani 2, 35100 Padova, Italy; (H.E.H.); (A.D.V.); (R.V.)
| | - Marco Rossato
- Internal Medicine 3, Department of Medicine—DIMED, University of Padova, Via Giustiniani 2, 35100 Padova, Italy; (H.E.H.); (A.D.V.); (R.V.)
- Correspondence: ; Tel.: +39-049-8218747; Fax: +39049-8213332
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