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Thorpe HHA, Fontanillas P, Pham BK, Meredith JJ, Jennings MV, Courchesne-Krak NS, Vilar-Ribó L, Bianchi SB, Mutz J, Elson SL, Khokhar JY, Abdellaoui A, Davis LK, Palmer AA, Sanchez-Roige S. Genome-wide association studies of coffee intake in UK/US participants of European ancestry uncover cohort-specific genetic associations. Neuropsychopharmacology 2024:10.1038/s41386-024-01870-x. [PMID: 38858598 DOI: 10.1038/s41386-024-01870-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 04/03/2024] [Accepted: 04/17/2024] [Indexed: 06/12/2024]
Abstract
Coffee is one of the most widely consumed beverages. We performed a genome-wide association study (GWAS) of coffee intake in US-based 23andMe participants (N = 130,153) and identified 7 significant loci, with many replicating in three multi-ancestral cohorts. We examined genetic correlations and performed a phenome-wide association study across hundreds of biomarkers, health, and lifestyle traits, then compared our results to the largest available GWAS of coffee intake from the UK Biobank (UKB; N = 334,659). We observed consistent positive genetic correlations with substance use and obesity in both cohorts. Other genetic correlations were discrepant, including positive genetic correlations between coffee intake and psychiatric illnesses, pain, and gastrointestinal traits in 23andMe that were absent or negative in the UKB, and genetic correlations with cognition that were negative in 23andMe but positive in the UKB. Phenome-wide association study using polygenic scores of coffee intake derived from 23andMe or UKB summary statistics also revealed consistent associations with increased odds of obesity- and red blood cell-related traits, but all other associations were cohort-specific. Our study shows that the genetics of coffee intake associate with substance use and obesity across cohorts, but also that GWAS performed in different populations could capture cultural differences in the relationship between behavior and genetics.
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Affiliation(s)
- Hayley H A Thorpe
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
- Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
| | | | - Benjamin K Pham
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | - John J Meredith
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | - Mariela V Jennings
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | | | - Laura Vilar-Ribó
- Psychiatric Genetics Unit, Group of Psychiatry, Mental Health and Addiction, Vall d'Hebron Research Institute (VHIR), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Sevim B Bianchi
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | - Julian Mutz
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | | | - Jibran Y Khokhar
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
- Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
| | - Abdel Abdellaoui
- Department of Psychiatry, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Lea K Davis
- Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, TN, USA
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
- Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Abraham A Palmer
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
- Institute for Genomic Medicine, University of California San Diego, La Jolla, CA, USA
| | - Sandra Sanchez-Roige
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA.
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA.
- Institute for Genomic Medicine, University of California San Diego, La Jolla, CA, USA.
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2
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Åberg F, Jiang ZG, Cortez-Pinto H, Männistö V. Alcohol-associated liver disease-Global epidemiology. Hepatology 2024:01515467-990000000-00852. [PMID: 38640041 DOI: 10.1097/hep.0000000000000899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 03/23/2024] [Indexed: 04/21/2024]
Abstract
Alcohol-associated liver disease (ALD), as highlighted in this narrative review, is a major public health concern, increasingly impacting global disease burden and premature mortality. In 2019, ALD accounted for the loss of 11 million life-years worldwide. The rising number of deaths and disability-adjusted life-years attributed to ALD, particularly pronounced in the United States, are alarming. Projections suggest that the economic impact of ALD, as seen in the United States, could potentially double by 2040. ALD is increasingly prevalent among younger adults (20-45 y) and has become the leading cause of liver transplantation in both United States and Europe. During the COVID-19 pandemic, the existing trend was further amplified as high-risk drinking patterns coincided with a rise in hospital admissions for alcohol-associated hepatitis and increased ALD-related mortality. The prevalence of ALD is estimated at 3.5% in the general population, 26.0% among hazardous drinkers, and 55.1% among those with alcohol use disorders. Alarmingly, 5-year mortality rates for patients with ALD exceed 50%, with even higher rates in more advanced disease stages. Methodological challenges, such as underreporting, diagnostic difficulties, and variability in registry data quality, complicate the accurate assessment of the impact of ALD. Additionally, the contribution of alcohol to the progression of other liver diseases is often under acknowledged in health care registries, leading to a significant underestimation of its broader implications for liver health. Addressing the growing ALD concern requires robust public health initiatives, heightened awareness, refined diagnostic techniques, and comprehensive epidemiological studies. These measures are vital to tackle the increasing prevalence of ALD and mitigate its extensive impact on individuals and health care systems.
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Affiliation(s)
- Fredrik Åberg
- Transplantation and Liver Surgery, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Z Gordon Jiang
- Division of Gastroenterology and Hepatology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Helena Cortez-Pinto
- Clínica Universitária de Gastrenterologia, Faculdade de Medicina, Universidade de Lisboa, Portugal
| | - Ville Männistö
- Department of Medicine, University of Eastern Finland, Kuopio, Finland
- Department of Medicine, Kuopio University Hospital, Kuopio, Finland
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3
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Sonestedt E, Lukic M. Beverages - a scoping review for Nordic Nutrition Recommendations 2023. Food Nutr Res 2024; 68:10458. [PMID: 38571923 PMCID: PMC10989231 DOI: 10.29219/fnr.v68.10458] [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: 10/04/2022] [Revised: 01/09/2023] [Accepted: 12/20/2023] [Indexed: 04/05/2024] Open
Abstract
Background: Coffee, tea, sugar-sweetened beverages (SSBs), and low- and no-calorie sweetened beverages (LNCSBs) are generally frequently consumed in the Nordic and Baltic countries. These beverages have also been related to potential health effects. This scoping review describes the evidence for the role of coffee, tea, SSBs, and LNCSBs for health-related outcomes as a basis for setting and updating food-based dietary guidelines. We used evidence from several qualified systematic reviews (i.e. World Cancer Research Fund, US Dietary Guidelines Advisory Committee, European Food Safety Authority, and World Health Organization) and performed a search for additional systematic reviews. The evidence suggests that moderate coffee and tea consumption do not have long-term adverse health effects. The long-term favorable effects of coffee consumption are related to reduced risk of endometrial and liver cancer, type 2 diabetes, and cardiovascular deaths. However, results from randomized controlled trials (RCTs) suggest that coffee brews that are rich in diterpenes, such as boiled coffee, increase serum cholesterol concentrations. High caffeine intake in pregnancy is associated with higher risk of pregnancy loss, preterm birth, and low birth weight. High consumption of SSBs has been associated with increased risk of obesity, type 2 diabetes, hypertension, and cardiovascular disease, based on data from RCTs and prospective cohort studies. The consumption of LNCSBs may result in a small reduction in body weight in adults, likely mediated through the effect of reduced energy intake, but has neutral effects on other cardiometabolic risk markers using evidence from RCTs. However, evidence from observational studies indicates increased risk of cardiometabolic diseases among high LNCSB consumers. In conclusion, current evidence suggests that moderate coffee and tea consumption have no long-term adverse health effects. The evidence of beneficial effects of coffee consumption on liver and endometrial cancer risk, and some cardiovascular outcomes, comes from observational studies. High consumption of boiled coffee should be avoided due to negative effect on lipid profile. Pregnant women should not exceed the recommended daily dose of caffeine intake of 200 mg set by the European Food Safety Authority as a safe level for the fetus. High consumption of SSBs has consistently been associated with adverse health effects, which is mainly due to excess energy intake, and should be limited. The conflicting results from RCTs and observational studies regarding LNCSBs may be due to revere causation and should be explored further.
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Affiliation(s)
- Emily Sonestedt
- Department of Clinical Sciences Malmö, Lund University, Malmö, Sweden
| | - Marko Lukic
- Department of Community Medicine, Faculty of Health Sciences, UiT – The Arctic University of Norway, Tromsø, Norway
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Muzahim Y, Wakil A, Bassi M, Pyrsopoulos N. Treatment of Primary Biliary Cholangitis including Transplantation. Clin Liver Dis 2024; 28:103-114. [PMID: 37945152 DOI: 10.1016/j.cld.2023.07.003] [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] [Indexed: 11/12/2023]
Abstract
Ursodeoxycholic acid (UDCA) is the first-line treatment of primary biliary cholangitis (PBC). Long-term UDCA use significantly reduces progression to cirrhosis. UDCA improves liver enzymes and transplant-free survival rates. Despite the association between PBC and hyperlipidemia, treatment is indicated under specific circumstances with statins and fibrates being safe options. Osteoporosis, which is frequently seen, is usually managed based on data from postmenopausal women. Sicca syndrome is treated similarly to its standalone condition with the use of hydroxypropyl methylcellulose eye drops and anticholinergic drugs.
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Affiliation(s)
- Yasameen Muzahim
- Division of Gastroenterology and Hepatlogy, Rutgers New Jersey Medical School, 185 South Orange Avenue, MSB H Rm - 536, Newark, NJ 07101, USA
| | - Ali Wakil
- Division of Gastroenterology and Hepatlogy, Rutgers New Jersey Medical School, 185 South Orange Avenue, MSB H Rm - 536, Newark, NJ 07101, USA
| | - Mehak Bassi
- Division of Gastroenterology and Hepatoloy, Saint Peter's University Hospital, 254 Easton Avenue, New Brunswick, NJ 08901, USA
| | - Nikolaos Pyrsopoulos
- Division of Gastroenterology and Hepatlogy, Rutgers New Jersey Medical School, 185 South Orange Avenue, MSB H Rm - 536, Newark, NJ 07101, USA.
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Moreira RO, Valerio CM, Villela-Nogueira CA, Cercato C, Gerchman F, Lottenberg AMP, Godoy-Matos AF, Oliveira RDA, Brandão Mello CE, Álvares-da-Silva MR, Leite NC, Cotrim HP, Parisi ER, Silva GF, Miranda PAC, Halpern B, Pinto Oliveira C. Brazilian evidence-based guideline for screening, diagnosis, treatment, and follow-up of metabolic dysfunction-associated steatotic liver disease (MASLD) in adult individuals with overweight or obesity: A joint position statement from the Brazilian Society of Endocrinology and Metabolism (SBEM), Brazilian Society of Hepatology (SBH), and Brazilian Association for the Study of Obesity and Metabolic Syndrome (Abeso). ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2023; 67:e230123. [PMID: 38048417 DOI: 10.20945/2359-4292-2023-0123] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/06/2023]
Abstract
Introduction Metabolic dysfunction-associated steatotic liver disease (MASLD), previously known as Nonalcoholic fatty liver disease (NAFLD), is one of the most common hepatic diseases in individuals with overweight or obesity. In this context, a panel of experts from three medical societies was organized to develop an evidence-based guideline on the screening, diagnosis, treatment, and follow-up of MASLD. Material and methods A MEDLINE search was performed to identify randomized clinical trials, meta-analyses, cohort studies, observational studies, and other relevant studies on NAFLD. In the absence of studies on a certain topic or when the quality of the study was not adequate, the opinion of experts was adopted. Classes of Recommendation and Levels of Evidence were determined using prespecified criteria. Results Based on the literature review, 48 specific recommendations were elaborated, including 11 on screening and diagnosis, 9 on follow-up,14 on nonpharmacologic treatment, and 14 on pharmacologic and surgical treatment. Conclusion A literature search allowed the development of evidence-based guidelines on the screening, diagnosis, treatment, and follow-up of MASLD in individuals with overweight or obesity.
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Affiliation(s)
- Rodrigo Oliveira Moreira
- Instituto Estadual de Diabetes e Endocrinologia Luiz Capriglione, Rio de Janeiro, RJ, Brasil,
- Faculdade de Medicina de Valença,Centro Universitário de Valença, Valença, RJ, Brasil
- Faculdade de Medicina, Centro Universitário Presidente Antônio Carlos, Juiz de Fora, MG, Brasil
| | - Cynthia Melissa Valerio
- Instituto Estadual de Diabetes e Endocrinologia Luiz Capriglione, Rio de Janeiro, RJ, Brasil
| | - Cristiane Alves Villela-Nogueira
- Departamento de Clínica Médica, Faculdade de Medicina e Serviço de Hepatologia, Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
| | - Cintia Cercato
- Grupo de Obesidade, Hospital das Clínicas, Universidade de São Paulo, São Paulo, SP, Brasil
- Laboratório de Lípides, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - Fernando Gerchman
- Programa de Pós-graduação em Ciências Médicas (Endocrinologia), Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
- Divisão de Endocrinologia e Metabolismo, Hospital das Clínicas de Porto Alegre, Porto Alegre, RS, Brasil
| | - Ana Maria Pita Lottenberg
- Laboratório de Lípides, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
- Hospital Israelita Albert Einstein, São Paulo, SP, Brasil
| | | | | | - Carlos Eduardo Brandão Mello
- Departamento de Clínica Médica e da Disciplina de Gastroenterologia Clínica e Cirúrgica, Escola de Medicina e Cirurgia, Universidade Federal do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
- Departamento de Clínica Médica e Serviço de Hepatologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
| | - Mãrio Reis Álvares-da-Silva
- Serviço de Gastroenterologia, Hospital das Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
| | - Nathalie Carvalho Leite
- Serviço de Clínica Médica e Serviço de Hepatologia, Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
| | | | - Edison Roberto Parisi
- Disciplina de Gastroenterologia e Hepatologia, Universidade Federal de São Paulo, São Paulo, SP, Brasil
| | - Giovanni Faria Silva
- Departamento de Clínica Médica da Faculdade de Medicina de Botucatu, Botucatu, SP, Brasil
| | | | - Bruno Halpern
- Grupo de Obesidade, Hospital das Clínicas, Universidade de São Paulo, São Paulo, SP, Brasil
| | - Claudia Pinto Oliveira
- Laboratório de Investigação Médica (LIM07), Departamento de Gastroenterologia, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
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6
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Prince DS, Nash E, Liu K. Alcohol-Associated Liver Disease: Evolving Concepts and Treatments. Drugs 2023; 83:1459-1474. [PMID: 37747685 PMCID: PMC10624727 DOI: 10.1007/s40265-023-01939-9] [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] [Accepted: 09/03/2023] [Indexed: 09/26/2023]
Abstract
Alcohol is a prominent cause of liver disease worldwide with higher prevalence in developed nations. The spectrum of alcohol-associated liver disease (ALD) encompasses a diverse range of clinical entities, from asymptomatic isolated steatosis to decompensated cirrhosis, and in some cases, acute or chronic liver failure. Consequently, it is important for healthcare practitioners to maintain awareness and systematically screen for ALD. The optimal evaluation and management of ALD necessitates a collaborative approach, incorporating a multidisciplinary team and accounting for concurrent medical conditions. A repertoire of therapeutic interventions exists to support patients in achieving alcohol cessation and sustaining remission, with complete abstinence being the ultimate objective. This review explores the existing therapeutic options for ALD acknowledging geographical discrepancies in accessibility. Recent innovations, including the inclusion of alcohol consumption biomarkers into clinical protocols and the expansion of liver transplantation eligibility to encompass severe alcohol-associated hepatitis, are explored.
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Affiliation(s)
- David Stephen Prince
- AW Morrow Gastroenterology and Liver Centre, Royal Prince Alfred Hospital, Sydney, NSW, Australia.
- Department of Gastroenterology and Liver, Liverpool Hospital, Sydney, NSW, Australia.
- Liver Injury and Cancer Program, Centenary Institute, Sydney, NSW, Australia.
- The Ingham Institute for Applied Medical Research, Sydney, NSW, Australia.
- Faculty of Medicine and Health, The University of New South Wales, Sydney, NSW, Australia.
| | - Emily Nash
- AW Morrow Gastroenterology and Liver Centre, Royal Prince Alfred Hospital, Sydney, NSW, Australia
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Ken Liu
- AW Morrow Gastroenterology and Liver Centre, Royal Prince Alfred Hospital, Sydney, NSW, Australia
- Liver Injury and Cancer Program, Centenary Institute, Sydney, NSW, Australia
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
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7
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Bołdys A, Bułdak Ł, Maligłówka M, Surma S, Okopień B. Potential Therapeutic Strategies in the Treatment of Metabolic-Associated Fatty Liver Disease. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1789. [PMID: 37893507 PMCID: PMC10608225 DOI: 10.3390/medicina59101789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/29/2023] [Accepted: 10/04/2023] [Indexed: 10/29/2023]
Abstract
Metabolic-associated Fatty Liver Disease is one of the outstanding challenges in gastroenterology. The increasing incidence of the disease is undoubtedly connected with the ongoing obesity pandemic. The lack of specific symptoms in the early phases and the grave complications of the disease require an active approach to prompt diagnosis and treatment. Therapeutic lifestyle changes should be introduced in a great majority of patients; but, in many cases, the adherence is not satisfactory. There is a great need for an effective pharmacological therapy for Metabolic-Associated Fatty Liver Disease, especially before the onset of steatohepatitis. Currently, there are no specific recommendations on the selection of drugs to treat liver steatosis and prevent patients from progression toward more advanced stages (steatohepatitis, cirrhosis, and cancer). Therefore, in this Review, we provide data on the clinical efficacy of therapeutic interventions that might improve the course of Metabolic-Associated Fatty Liver Disease. These include the drugs used in the treatment of obesity and hyperlipidemias, as well as affecting the gut microbiota and endocrine system, and other experimental approaches, including functional foods. Finally, we provide advice on the selection of drugs for patients with concomitant Metabolic-Associated Fatty Liver Disease.
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Affiliation(s)
| | - Łukasz Bułdak
- Department of Internal Medicine and Clinical Pharmacology, Medical University of Silesia, Medykow 18, 40-752 Katowice, Poland
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8
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Kumar R, Kumar S, Prakash SS. Compensated liver cirrhosis: Natural course and disease-modifying strategies. World J Methodol 2023; 13:179-193. [PMID: 37771878 PMCID: PMC10523240 DOI: 10.5662/wjm.v13.i4.179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 06/05/2023] [Accepted: 06/27/2023] [Indexed: 09/20/2023] Open
Abstract
Compensated liver cirrhosis (CLC) is defined as cirrhosis with one or more decompensating events, such as ascites, variceal haemorrhage, or hepatic encephalopathy. Patients with CLC are largely asymptomatic with preserved hepatic function. The transition from CLC to decompensated cirrhosis occurs as a result of a complex interaction between multiple predisposing and precipitating factors. The first decompensation event in CLC patients is considered a significant turning point in the progression of cirrhosis, as it signals a drastic decline in median survival rates from 10-12 years to only 1-2 years. Furthermore, early cirrhosis has the potential to regress as liver fibrosis is a dynamic condition. With the advent of effective non-invasive tools for detecting hepatic fibrosis, more and more patients with CLC are currently being recognised. This offers clinicians a unique opportunity to properly manage such patients in order to achieve cirrhosis regression or, at the very least, prevent its progression. There are numerous emerging approaches for preventing or delaying decompensation in CLC patients. A growing body of evidence indicates that treating the underlying cause can lead to cirrhosis regression, and the use of non-selective beta-blockers can prevent decompensation by lowering portal hypertension. Additionally, addressing various cofactors (such as obesity, diabetes, dyslipidaemia, and alcoholism) and precipitating factors (such as infection, viral hepatitis, and hepatotoxic drugs) that have a detrimental impact on the natural course of cirrhosis may benefit patients with CLC. However, high-quality data must be generated through well-designed and adequately powered randomised clinical trials to validate these disease-modifying techniques for CLC patients. This article discussed the natural history of CLC, risk factors for its progression, and therapeutic approaches that could alter the trajectory of CLC evolution and improve outcomes.
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Affiliation(s)
- Ramesh Kumar
- Department of Gastroenterology, All India Institute of Medical Sciences, Patna 801507, India
| | - Sudhir Kumar
- Department of Gastroenterology, All India Institute of Medical Sciences, Patna 801507, India
| | - Sabbu Surya Prakash
- Department of Gastroenterology, All India Institute of Medical Sciences, Patna 801507, India
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9
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Thorpe HHA, Fontanillas P, Pham BK, Meredith JJ, Jennings MV, Courchesne-Krak NS, Vilar-Ribó L, Bianchi SB, Mutz J, Elson SL, Khokhar JY, Abdellaoui A, Davis LK, Palmer AA, Sanchez-Roige S. Genome-Wide Association Studies of Coffee Intake in UK/US Participants of European Ancestry Uncover Gene-Cohort Influences. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.09.09.23295284. [PMID: 37745582 PMCID: PMC10516045 DOI: 10.1101/2023.09.09.23295284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
Coffee is one of the most widely consumed beverages. We performed a genome-wide association study (GWAS) of coffee intake in US-based 23andMe participants (N=130,153) and identified 7 significant loci, with many replicating in three multi-ancestral cohorts. We examined genetic correlations and performed a phenome-wide association study across thousands of biomarkers and health and lifestyle traits, then compared our results to the largest available GWAS of coffee intake from UK Biobank (UKB; N=334,659). The results of these two GWAS were highly discrepant. We observed positive genetic correlations between coffee intake and psychiatric illnesses, pain, and gastrointestinal traits in 23andMe that were absent or negative in UKB. Genetic correlations with cognition were negative in 23andMe but positive in UKB. The only consistent observations were positive genetic correlations with substance use and obesity. Our study shows that GWAS in different cohorts could capture cultural differences in the relationship between behavior and genetics.
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Affiliation(s)
- Hayley H A Thorpe
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
- Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
| | | | - Benjamin K Pham
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | - John J Meredith
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | - Mariela V Jennings
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | | | - Laura Vilar-Ribó
- Psychiatric Genetics Unit, Group of Psychiatry, Mental Health and Addiction, Vall d’Hebron Research Institute (VHIR), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Sevim B Bianchi
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | - Julian Mutz
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London, UK
| | - 23andMe Research Team
- Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
| | - Sarah L Elson
- Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
| | - Jibran Y Khokhar
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
- Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
| | - Abdel Abdellaoui
- Department of Psychiatry, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Lea K Davis
- Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, TN, USA
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
- Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Abraham A Palmer
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
- Institute for Genomic Medicine, University of California San Diego, La Jolla, CA, USA
| | - Sandra Sanchez-Roige
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
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10
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Staufer K, Stauber RE. Steatotic Liver Disease: Metabolic Dysfunction, Alcohol, or Both? Biomedicines 2023; 11:2108. [PMID: 37626604 PMCID: PMC10452742 DOI: 10.3390/biomedicines11082108] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 07/19/2023] [Accepted: 07/20/2023] [Indexed: 08/27/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) and alcohol-related liver disease (ALD), both of them accounting for fatty liver disease (FLD), are among the most common chronic liver diseases globally, contributing to substantial public health burden. Both NAFLD and ALD share a similar picture of clinical presentation yet may have differences in prognosis and treatment, which renders early and accurate diagnosis difficult but necessary. While NAFLD is the fastest increasing chronic liver disease, the prevalence of ALD has seemingly remained stable in recent years. Lately, the term steatotic liver disease (SLD) has been introduced, replacing FLD to reduce stigma. SLD represents an overarching term to primarily comprise metabolic dysfunction-associated steatotic liver disease (MASLD), formerly known as non-alcoholic fatty liver disease (NAFLD), as well as alcohol-related liver disease (ALD), and MetALD, defined as a continuum across which the contribution of MASLD and ALD varies. The present review discusses current knowledge on common denominators of NAFLD/MASLD and ALD in order to highlight clinical and research needs to improve our understanding of SLD.
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Affiliation(s)
- Katharina Staufer
- Division of Transplantation, Department of General Surgery, Medical University of Vienna, 1090 Vienna, Austria
| | - Rudolf E Stauber
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Medical University of Graz, 8010 Graz, Austria
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Louvet A, Bourcier V, Archambeaud I, d'Alteroche L, Chaffaut C, Oberti F, Moreno C, Roulot D, Dao T, Moirand R, Duclos-Vallée JC, Goria O, Nguyen-Khac E, Pol S, Carbonell N, Gournay J, Elkrief L, Fouchard-Hubert I, Chevret S, Ganne-Carrié N. Low alcohol consumption influences outcomes in individuals with alcohol-related compensated cirrhosis in a French multicenter cohort. J Hepatol 2023; 78:501-512. [PMID: 36423805 DOI: 10.1016/j.jhep.2022.11.013] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 10/24/2022] [Accepted: 11/04/2022] [Indexed: 11/23/2022]
Abstract
BACKGROUND & AIMS The harmful impact of heavy alcohol consumption and recurrence in patients with alcohol-related cirrhosis is long-established, although this is based on old studies. However, the drivers of long-term outcome still need to be clearly investigated. METHOD All patients with biopsy-proven compensated alcohol-related cirrhosis included in the CIRRAL cohort (22 centers) were prospectively studied. Prognostic variables of survival and liver event-free survival were assessed using multivariable Cox models with stepwise selection. The prognostic impact of alcohol recurrence during follow-up (computed in glass-years in the same way as pack-years for tobacco) was assessed using a time-dependent covariable. RESULTS From 2010 to 2016, 650 patients were included. The median age at baseline was 58.4 years, 67.4% were men and the median BMI was 27.8 kg/m2, 63.8% had a history of liver decompensation, and 70.2% had discontinued alcohol. At 5 years, recurrence occurred in 30.9% of abstinent patients and this risk was higher in patients with a history of drug abuse and in those with shorter alcohol discontinuation times. Median survival was 97 months. Age, alcohol consumption at baseline, platelet count and Child-Pugh score >5 were associated with overall and liver event-free survival on multivariate analysis. Alcohol consumption of more than 25 glass-years during follow-up was independently associated with lower survival and with a trend toward lower liver event-free survival, with the risk increasing from 1 glass-year, though not significantly. Simon & Makuch plots confirm the benefit of no alcohol consumption (<1 glass/week) on both outcomes and the dose-dependent impact of alcohol over time. CONCLUSION This prospective study in patients with compensated alcohol-related cirrhosis identifies factors predictive of alcohol recurrence during follow-up and shows that moderate alcohol consumption during follow-up negatively impacts outcomes. Patients with alcohol-related cirrhosis should be advised to completely stop drinking alcohol. REGISTRATION CIRRAL (NCT01213927) cohort was registered at ClinicalTrials.gov and the full protocol is available at the following link: https://clinicaltrials.gov/ct2/show/NCT01213927. IMPACT AND IMPLICATIONS In patients with alcohol-related cirrhosis, data are lacking about the impact of the amount of alcohol consumed on both survival and liver-related events. The present study based on the CIRRAL cohort demonstrates that alcohol recurrence occurs in more than 30% of patients with compensated cirrhosis and that even a moderate recurrence strongly influences outcomes. Patients with compensated alcohol-related cirrhosis should be advised to completely discontinue alcohol consumption, even in small amounts, as the present study shows that no alcohol consumption can be regarded as safe when cirrhosis has developed.
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Affiliation(s)
| | - Valérie Bourcier
- AP-HP, Hôpital Avicenne, Service d'Hépatologie, Bobigny, Université Sorbonne Paris Nord, Bobigny et INSERM U1138, Université de Paris, France
| | | | | | - Cendrine Chaffaut
- SBIM, APHP, Hôpital Saint-Louis, Paris, Inserm, UMR-1153, ECSTRRA Team, Paris, France
| | | | | | - Dominique Roulot
- AP-HP, Hôpital Avicenne, Service d'Hépatologie, Bobigny, Université Sorbonne Paris Nord, Bobigny et INSERM U1138, Université de Paris, France; Inserm U955 Université Paris Est, Créteil, France
| | - Thông Dao
- Liver Unit, University Hospital, Caen, France
| | | | | | - Odile Goria
- Liver Unit, University Hospital, Rouen, France
| | | | - Stanislas Pol
- Liver Unit, Hôpital Cochin, INSERM U1223, Institut Pasteur, Paris, France
| | | | | | | | | | - Sylvie Chevret
- SBIM, APHP, Hôpital Saint-Louis, Paris, Inserm, UMR-1153, ECSTRRA Team, Paris, France
| | - Nathalie Ganne-Carrié
- AP-HP, Hôpital Avicenne, Service d'Hépatologie, Bobigny, Université Sorbonne Paris Nord, Bobigny et INSERM U1138, Université de Paris, France.
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12
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Ren A, He W, Rao J, Ye D, Cheng P, Jian Q, Fu Z, Zhang X, Deng R, Gao Y, Ma Y. Dysregulation of innate cell types in the hepatic immune microenvironment of alcoholic liver cirrhosis. Front Immunol 2023; 14:1034356. [PMID: 36845083 PMCID: PMC9947838 DOI: 10.3389/fimmu.2023.1034356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 01/12/2023] [Indexed: 02/11/2023] Open
Abstract
Introduction The risk of alcoholic cirrhosis increases in a dose- and time-dependent manner with alcohol consumption and ethanol metabolism in the liver. Currently, no effective antifibrotic therapies are available. We aimed to obtain a better understanding of the cellular and molecular mechanisms involved in the pathogenesis of liver cirrhosis. Methods We performed single-cell RNA-sequencing to analyze immune cells from the liver tissue and peripheral blood form patients with alcoholic cirrhosis and healthy controls to profile the transcriptomes of more than 100,000 single human cells and yield molecular definitions for non-parenchymal cell types. In addition, we performed single-cell RNA-sequencing analysis to reveal the immune microenvironment related to alcoholic liver cirrhosis. Hematoxylin and eosin, Immunofluorescence staining and Flow cytometric analysis were employed to study the difference between tissues and cells with or without alcoholic cirrhosis. Results We identified a fibrosis-associated M1 subpopulation of macrophages that expands in liver fibrosis, differentiates from circulating monocytes, and is pro-fibrogenic. We also define mucosal-associated invariant T (MAIT) cells that expand in alcoholic cirrhosis and are topographically restricted to the fibrotic niche. Multilineage modeling of ligand and receptor interactions between the fibrosis-associated macrophages, MAIT, and NK cells revealed the intra-fibrotic activity of several pro-fibrogenic pathways, including responses to cytokines and antigen processing and presentation, natural killer cell-mediated cytotoxicity, cell adhesion molecules, Th1/Th2/Th17 cell differentiation, IL-17 signaling pathway, and Toll-like receptor signaling pathway. Discussion Our work dissects unanticipated aspects of the cellular and molecular basis of human organ alcoholic fibrosis at the single-cell level and provides a conceptual framework for the discovery of rational therapeutic targets in liver alcoholic cirrhosis.
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Affiliation(s)
- Ao Ren
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Wenjing He
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jiawei Rao
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Dongmei Ye
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Pengrui Cheng
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qian Jian
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zongli Fu
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xuzhi Zhang
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Ronghai Deng
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yifang Gao
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yi Ma
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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Newberry C, Kumar S. Dietary and nutrition considerations in caring for patients with nonalcoholic fatty liver disease: Updates for the practicing clinician. Nutr Clin Pract 2023; 38:70-79. [PMID: 36183354 DOI: 10.1002/ncp.10917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 08/10/2022] [Accepted: 09/02/2022] [Indexed: 01/11/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the leading cause of chronic liver disease worldwide, affecting up to one-third of the global population. The disease is defined by excess fat deposition in the liver and has a strong correlation with metabolic syndrome, which, in turn, is also a risk factor for disease progression, including the development of steatohepatitis, advanced fibrosis, cirrhosis, and hepatocellular carcinoma. Although a number of medications are being explored for disease mitigation, nothing is currently approved, and the mainstay of therapy remains dietary and lifestyle intervention that promotes weight loss as well as management of comorbid conditions. The landscape that guides care for patients with NAFLD continues to evolve. Clinicians caring for these patients need to consider underlying disease state and nutrition risk in addition to concurrent related diagnoses, such as insulin resistance and hyperlipidemia, when formulating treatment plans. The following is a comprehensive review of the current dietary and nutrition considerations in the management of patients with NAFLD, with a special emphasis on implications for the practicing clinician.
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Affiliation(s)
- Carolyn Newberry
- Division of Gastroenterology, Innovative Center for Health and Nutrition in Gastroenterology (ICHANGE), Weill Cornell Medical Center, New York, New York, USA
| | - Sonal Kumar
- Division of Gastroenterology, Innovative Center for Health and Nutrition in Gastroenterology (ICHANGE), Weill Cornell Medical Center, New York, New York, USA
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Alcohol-Related Liver Disease: An Overview on Pathophysiology, Diagnosis and Therapeutic Perspectives. Biomedicines 2022; 10:biomedicines10102530. [PMID: 36289791 PMCID: PMC9599689 DOI: 10.3390/biomedicines10102530] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/01/2022] [Accepted: 10/08/2022] [Indexed: 11/19/2022] Open
Abstract
Alcohol-related liver disease (ALD) refers to a spectrum of liver manifestations ranging from fatty liver diseases, steatohepatitis, and fibrosis/cirrhosis with chronic inflammation primarily due to excessive alcohol use. Currently, ALD is considered as one of the most prevalent causes of liver disease-associated mortality worldwide. Although the pathogenesis of ALD has been intensively investigated, the present understanding of its biomarkers in the context of early clinical diagnosis is not complete, and novel therapeutic targets that can significantly alleviate advanced forms of ALD are limited. While alcohol abstinence remains the primary therapeutic intervention for managing ALD, there are currently no approved medications for treating ALD. Furthermore, given the similarities and the differences between ALD and non-alcoholic fatty liver disease in terms of disease progression and underlying molecular mechanisms, numerous studies have demonstrated that many therapeutic interventions targeting several signaling pathways, including oxidative stress, inflammatory response, hormonal regulation, and hepatocyte death play a significant role in ALD treatment. Therefore, in this review, we summarized several key molecular targets and their modes of action in ALD progression. We also described the updated therapeutic options for ALD management with a particular emphasis on potentially novel signaling pathways.
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15
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Portillo OR, Arévalo AC. Caffeine. A critical review of contemporary scientific literature. BIONATURA 2022. [DOI: 10.21931/rb/2022.07.03.16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Caffeine is a secondary metabolite extensively studied for its stimulatory properties and presumed association with specific pathologies. This alkaloid is typically consumed through coffee, tea, and other plant products but is also an additive in many medications and confectionaries. Nonetheless, despite its worldwide consumption and acceptance, there is controversial evidence as to whether its effects on the central nervous system should be interpreted as stimulatory or as an addiction in which typical withdrawal effects are canceled out with its daily consumption. The following discussion is the product of an extensive review of current scientific literature, which aims to describe the most salient topics associated with caffeine's purpose in nature, biosynthesis, metabolism, physiological effects, toxicity, extraction, industrial use and current plant breeding approaches for the development of new caffeine deficient varieties as a more economical option to the industrially decaffeinated coffees currently available to caffeine intolerant consumers.
Keywords: biosynthesis, decaffeination, extraction, metabolism, physiological effects, plant breeding.
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Affiliation(s)
- Ostilio R. Portillo
- Faculty of Engineering, National Autonomous University of Honduras (UNAH), Tegucigalpa, Honduras
| | - Ana C. Arévalo
- Faculty of Chemistry & Pharmacy, National Autonomous University of Hondura (UNAH), Tegucigalpa, Honduras
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R. Portillo O, Arévalo AC. Coffee's Phenolic Compounds. A general overview of the coffee fruit's phenolic composition. BIONATURA 2022. [DOI: 10.21931/rb/2022.07.03.31] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Phenolic compounds are secondary metabolites ubiquitously distributed in the plant kingdom which come in a wide array of molecular configurations which confer them a comprehensive set of chemical attributes such as, but not limited to: nutraceutical properties, industrial applications (e.g., dyes, rawhide processing, beer production, antioxidants), and plant self-defense mechanisms against natural enemies also known as the Systemic Acquired Resistance (SAR).However, despite the fact, that there is a large number of phenolic-containing food products (e.g., chocolate, green tea, wines, beer, wood barrel-aged spirits, cherries, grapes, apples, peaches, plums, pears, etc.), coffee remains, in the western hemisphere, as the main source of dietary phenolic compounds reflected by the fact that, in the international market, coffee occupies the second trading position after oil and its derivatives. The following discussion is the product of an extensive review of scientific literature that aims to describe essential topics related to coffee phenolic compounds, especially chlorogenic acids, their purpose in nature, biosynthesis, determination, metabolism, chemical properties, and their effect on cup quality.
Keywords: phenolic acids, caffeoylquinic acid, antioxidant capacity, metabolism, biosynthesis.
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Affiliation(s)
- Ostilio R. Portillo
- Faculty of Engineering, National Autonomous University of Honduras, Tegucigalpa (UNAH), Honduras
| | - Ana C. Arévalo
- Faculty of Chemistry & Pharmacy, National Autonomous University of Honduras, Tegucigalpa (UNAH), Honduras
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17
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Hou C, Zeng Y, Chen W, Han X, Yang H, Ying Z, Hu Y, Sun Y, Qu Y, Fang F, Song H. Medical conditions associated with coffee consumption: Disease-trajectory and comorbidity network analyses of a prospective cohort study in UK Biobank. Am J Clin Nutr 2022; 116:730-740. [PMID: 35849013 PMCID: PMC9437992 DOI: 10.1093/ajcn/nqac148] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 05/14/2022] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Habitual coffee consumption has been associated with multiple health benefits. A comprehensive analysis of disease trajectory and comorbidity networks in relation to coffee consumption is, however, currently lacking. OBJECTIVES We aimed to comprehensively examine the health outcomes associated with habitual coffee consumption, through clarifying its disease trajectory and comorbidity networks. METHODS Based on the UK Biobank cohort, we included 395,539 individuals with available information on coffee intake collected at recruitment between 2006 and 2010. These individuals were categorized as having low (<1 cup per day), moderate (1-3 cups), and high (≥4 cups) levels of coffee intake, and were followed through 2020 to ascertain 496 medical conditions. Cox regression was used to assess the associations between high-level coffee intake and the risk of medical conditions with a prevalence ≥0.5% in the study population, after adjusting for multiple confounders, using low-level coffee intake as the reference. Disease-trajectory and comorbidity network analyses were then applied to visualize the temporal and nontemporal relationships between the medical conditions that had an inverse association with high-level coffee intake. RESULTS During a median follow-up of 11.8 years, 31 medical conditions were found to be associated with high-level coffee intake, among which 30 showed an inverse association (HRs ranged from 0.61 to 0.94). The inverse associations were more pronounced for women, compared with men. Disease-trajectory and comorbidity network analyses of these 30 conditions identified 4 major clusters of medical conditions, mainly in the cardiometabolic and gastrointestinal systems, among both men and women; 1 cluster of medical conditions following alcohol-related disorders, primarily among men; as well as a cluster of estrogen-related conditions among women. CONCLUSIONS Habitual coffee consumption was associated with lower risks of many medical conditions, especially those in the cardiometabolic and gastrointestinal systems and those related to alcohol use and estrogen regulation.
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Affiliation(s)
- Can Hou
- West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, China.,Med-X Center for Informatics, Sichuan University, Chengdu, China
| | - Yu Zeng
- West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, China.,Med-X Center for Informatics, Sichuan University, Chengdu, China
| | - Wenwen Chen
- Division of Nephrology, Kidney Research Institute, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Xin Han
- West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, China.,Med-X Center for Informatics, Sichuan University, Chengdu, China
| | - Huazhen Yang
- West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, China.,Med-X Center for Informatics, Sichuan University, Chengdu, China
| | - Zhiye Ying
- West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, China.,Med-X Center for Informatics, Sichuan University, Chengdu, China
| | - Yao Hu
- West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, China.,Med-X Center for Informatics, Sichuan University, Chengdu, China
| | - Yajing Sun
- West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, China.,Med-X Center for Informatics, Sichuan University, Chengdu, China
| | - Yuanyuan Qu
- West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, China.,Med-X Center for Informatics, Sichuan University, Chengdu, China
| | - Fang Fang
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Huan Song
- West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, China.,Med-X Center for Informatics, Sichuan University, Chengdu, China.,Center of Public Health Sciences, Faculty of Medicine, University of Iceland, Reykjavík, Iceland
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Niezen S, Tapper EB. Reply. Clin Gastroenterol Hepatol 2022; 20:2153-2154. [PMID: 34864157 DOI: 10.1016/j.cgh.2021.11.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 11/26/2021] [Indexed: 02/07/2023]
Affiliation(s)
- Sebastian Niezen
- Division of Gastroenterology and Hepatology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Elliot B Tapper
- Division of Gastroenterology and Hepatology, University of Michigan, Ann Arbor, Michigan
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Niezen S, Mehta M, Jiang ZG, Tapper EB. Coffee Consumption Is Associated With Lower Liver Stiffness: A Nationally Representative Study. Clin Gastroenterol Hepatol 2022; 20:2032-2040.e6. [PMID: 34626832 PMCID: PMC8983790 DOI: 10.1016/j.cgh.2021.09.042] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 09/03/2021] [Accepted: 09/28/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Coffee is associated with a reduced risk of liver disease. This association is limited by important sources of confounding such as recall bias, healthy user bias, and indirect measures of liver outcomes or health. We aimed to examine the impact of coffee consumption with liver fibrosis and steatosis in a nationally representative sample. METHODS We evaluated 4510 subjects 20 years and older from the 2017 to 2018 National Health and Nutrition Examination Survey study who underwent both transient elastography and two 24-hour dietary recall examinations. We tested the associations between liver stiffness measurements (LSM) of 9.5 kpa or greater or controlled attenuation parameter (CAP) and coffee consumption. We used decaffeinated coffee and tea consumption as controls. As a sensitivity analysis, we included all drinks in 1 model, examined the impact of caffeine consumption, and adjusted for the Healthy Eating Index-2015 and sugar-sweetened beverage consumption as separate models. RESULTS The study sample described was aged 48 ± 0.6 years, 73% were overweight or obese, 10.6% had diabetes, 47.5% reported participation in vigorous physical activity, and 23% drank 2 or more alcoholic drinks per day. After multivariate adjustment, there was no association between coffee and controls with CAP. Subjects who drank more than 3 cups of coffee, but not other drinks, had a 0.9 lower kPa (95% CI, -1.6 to -0.1; P = .03). More than 3 cups of coffee were protective for LSM of 9.5 kpa or higher (odds ratio, 0.4; 95% CI, 0.2-1.0; P = .05). Accounting for all beverages in the same model, only consuming more than 3 cups of coffee remained independently associated with LSM (odds ratio, 0.5; 95% CI, 0.2-0.9; P = .03). Caffeine was not associated significantly with LSM at any dose. Finally, adjusting for sugar-sweetened beverage consumption and Healthy Eating Index-2015, coffee consumption remained associated with a lower LSM. The protective nature of coffee consumption therefore is not attributable to caffeine and persists in participants regardless of their diet quality. CONCLUSIONS Coffee is associated with lower liver stiffness, but not steatosis, as measured by CAP among US adults.
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Affiliation(s)
- Sebastian Niezen
- Division of Gastroenterology and Hepatology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Manaav Mehta
- University of California at Los Angeles, Los Angeles, Michigan
| | - Z Gordon Jiang
- Division of Gastroenterology and Hepatology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Elliot B Tapper
- Division of Gastroenterology and Hepatology, University of Michigan, Ann Arbor, Michigan.
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The Impact of Lockdowns on Caffeine Consumption: A Systematic Review of the Evidence. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19095255. [PMID: 35564647 PMCID: PMC9102419 DOI: 10.3390/ijerph19095255] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 04/22/2022] [Accepted: 04/23/2022] [Indexed: 01/13/2023]
Abstract
The Coronavirus disease 2019 (COVID-19) has been characterized by the World Health Organization as a pandemic in March 2020 and the lockdown measures that were implemented in an effort to limit the transmission of the virus affected the daily life of many people in all over the world. The aim of this systematic review was to investigate the changes during/after the lockdowns in caffeine consumption by coffee and energy drinks. A systematic literature search was conducted in three databases (PubMed, Embase, Web of Science) up to 31 December 2021 and out of 19,511 studies found and 12,885 screened, 16 studies were included according to eligibility criteria. Results regarding coffee consumption showed that a significant part of individuals decreased their consumption and in five studies an increase was reported, including women and seniors >60 years old. Energy drinks were also consumed less during the lockdown compared to the pre-lockdown time. Attention should be given for menopausal women where an increase in coffee consumption was found which could impair bone density, but further research is needed in order to make safe conclusions.
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Carrieri P, Carrat F, Di Beo V, Bourlière M, Barré T, De Ledinghen V, Pageaux GP, Bureau M, Cagnot C, Dorival C, Delarocque-Astagneau E, Marcellin F, Pol S, Fontaine H, Protopopescu C, Laurent Alric, Bonnet D, Payssan-Sicart V, Pomes C, Zoulim F, Maynard M, Bai R, Hucault L, Bailly F, Raffi F, Billaud E, Boutoille D, Lefebvre M, André-Garnier E, Cales P, Hubert I, Lannes A, Lunel F, Boursier J, Asselah T, Boyer N, Giuily N, Castelnau C, Scoazec G, Pol S, Fontaine H, Rousseaud E, Vallet-Pichard A, Sogni P, de Ledinghen V, Foucher J, Hiriart JB, M’Bouyou J, Irlès-Depé M, Bourlière M, Si Ahmed SN, Oules V, Tran A, Anty R, Gelsi E, Truchi R, Thabut D, Hammeche S, Moussali J, Causse X, De Dieuleveult B, Ouarani B, Labarrière D, Ganne N, Grando-Lemaire V, Nahon P, Brulé S, Ulker B, Guyader D, Jezequel C, Brener A, Laligant A, Rabot A, Renard I, Habersetzer F, Baumert TF, Doffoel M, Mutter C, Simo-Noumbissie P, Razi E, Bronowicki JP, Barraud H, Bensenane M, Nani A, Hassani-Nani S, Bernard MA, Pageaux GP, Larrey D, Meszaros M, Metivier S, Bureau C, Morales T, Peron JM, Robic MA, Decaens T, Froissart B, Hilleret MN, Costentin C, Gerster T, Riachi G, Goria O, Paris F, Montialoux H, Leroy V, Amaddeo G, Varaut A, Simoes M, Amzal R, Chazouillières O, Andreani T, Angoulevant B, Chevance A, Serfaty L, Duclos Vallée JC, Samuel D, Antonini T, Coilly A, Tateo M, Abergel A, Reymond M, Brigitte C, Benjamin B, Muti L, Geist C, Conroy G, Riffault R, Rosa I, Barrault C, Costes L, Hagège H, Loustaud-Ratti V, Carrier P, Debette-Gratien M, Mathurin P, Lassailly G, Lemaitre E, Canva V, Dharancy S, Louvet A, Minello A, Latournerie M, Bardou M, Mouillot T, D’Alteroche L, Barbereau D, Nicolas C, Elkrief L, Jaillais A, Gournay J, Chevalier C, Archambeaud I, Habes S, Portal I, Gelu-Simeon M, Saillard E, Lafrance MJ, Catherine L, Carrat F, Chau F, Dorival C, Goderel I, Lusivika-Nzinga C, Bellance MA, Bellet J, Monfalet P, Chane-Teng J, Bijaoui S, Pannetier G, Téoulé F, Nicol J, Bekhti R, Cagnot C, Boston A, Nailler L, Le Meut G, Diallo A, Petrov-Sanchez V, Marc Bourlière, Boursier J, Carrat F, Carrieri P, Delarocque-Astagneau E, De Ledinghen V, Dorival C, Fontaine H, Fourati S, Housset C, Larrey D, Nahon P, Pageaux GP, Petrov-Sanchez V, Pol S, Bruyand M, Wittkop L, Zoulim F, Zucman-Rossi J, L’hennaff M, Sizorn M, Boston A, Diallo A, Cagnot C, Bousselet A, Caralp M. Severe liver fibrosis in the HCV cure era: major effects of social vulnerability, diabetes, and unhealthy behaviors. JHEP Rep 2022; 4:100481. [PMID: 35514789 PMCID: PMC9065909 DOI: 10.1016/j.jhepr.2022.100481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 02/08/2022] [Accepted: 02/24/2022] [Indexed: 11/06/2022] Open
Abstract
Background & Aims After HCV cure, not all patients achieve significant liver fibrosis regression. We explored the effects of clinical and socio-behavioral factors on liver fibrosis, before and after HCV cure with direct-acting antivirals. Methods We analyzed data from the ongoing ANRS CO22 HEPATHER cohort, which prospectively collects clinical and socio-behavioral data on HCV-infected patients. Mixed-effects logistic regression models helped identify predictors of longitudinal measures of severe liver fibrosis, defined as a fibrosis-4 index >3.25. We also estimated the adjusted population attributable fractions (PAFs) for modifiable risk factors. Results Among the 9,692 study patients (accounting for 24,687 visits over 4 years of follow-up, 48.5% of which were post-HCV cure), 26% had severe fibrosis at enrolment. After multivariable adjustment, HCV-cured patients had an 87% lower risk of severe fibrosis. An inverse dose-response relationship was found for coffee consumption, with the risk of severe fibrosis diminishing by 58% per additional cup/day (adjusted odds ratio (aOR 0.42; 95% CI 0.38-0.46). Unemployment, low educational level, and diabetes were associated with a higher severe fibrosis risk (aOR 1.69; 95% CI 1.32-2.16, aOR 1.50; 95% CI 1.20-1.86, and aOR 4.27; 95% CI 3.15-5.77, respectively). Severe fibrosis risk was 3.6/4.6-fold higher in individuals with previous/current unhealthy alcohol use than in abstinent patients. All these associations remained valid after HCV cure. The risk factors accounting for the greatest severe fibrosis burden were unemployment, low education level, and diabetes (PAFs: 29%, 21%, and 17%, respectively). Conclusions Monitoring liver fibrosis after HCV cure is crucial for patients with low socioeconomic status, previous/current unhealthy alcohol use, and diabetes. Innovative HCV care models for the most socially vulnerable individuals and interventions for healthier lifestyles are needed to reinforce the positive effects of HCV cure on liver health. Lay summary After hepatitis C virus (HCV) cure, not all patients achieve significant liver fibrosis regression. Herein, we studied the effects of clinical and socio-behavioral factors on the risk of severe liver fibrosis. Coffee consumption was strongly inversely associated with severe fibrosis, while diabetes, previous and current unhealthy alcohol use were associated with a 4.3-, 3.6- and 4.6-fold higher risk of severe fibrosis, respectively. Unemployment and low educational level were also associated with a higher risk of severe fibrosis. All these associations remained valid after HCV cure. These results demonstrate the need to continue liver fibrosis monitoring in at-risk groups, and to facilitate healthier lifestyles after HCV cure as a clinical and public health priority. Liver fibrosis assessment is a key prognostic tool in the hepatitis C cure era. Significant liver fibrosis regression does not always occur after hepatitis C cure. Coffee intake displays protective effects on severe fibrosis even after HCV cure. Social vulnerability, diabetes, and unhealthy alcohol use predict severe fibrosis. Socio-behavioral factors are associated with severe fibrosis even after HCV cure.
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Patients with Autoimmune Hepatitis Report Lower Lifetime Coffee Consumption. Dig Dis Sci 2022; 67:2594-2599. [PMID: 33939140 PMCID: PMC8556390 DOI: 10.1007/s10620-021-06989-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 03/30/2021] [Indexed: 01/16/2023]
Abstract
BACKGROUND Coffee drinking has been associated with decreased risk of some autoimmune diseases as well liver disease and outcomes. Environmental factors, such as coffee consumption, are yet to be assessed among patients with autoimmune hepatitis (AIH). AIM We sought to investigate the relationship between coffee consumption and risk of AIH utilizing the Genetic Repository of Autoimmune Liver Disease and Contributing Exposures (GRACE) database. METHODS Lifetime coffee drinking was collected from 358 AIH patients (cases) and 564 volunteers (controls) from primary care visits. Groups were compared utilizing the Wilcoxon rank sum test for continuous variables and the Chi-square test for discrete variables. Logistic regression was used to analyze the effects of different coffee parameters (time, frequency, and cups) after adjusting for age, sex, education, smoking status, BMI, and daily activity. RESULTS 24.6% of AIH patients never drank coffee compared to 15.7% of controls (p < 0.001), and only 65.6% were current drinkers compared with 77% of controls (p < 0.001). Among "ever" coffee drinkers, AIH patients consumed fewer lifetime cups of coffee per month (45 vs. 47 for controls, p < 0.001) and spent less percentage of life drinking coffee (62.5% vs. 69.1% for controls, p < 0.001). Concurrent inflammatory bowel disease was higher among AIH patients than controls (5.7% vs. 1.2%, p < 0.001), yet did not significantly contribute to "never" coffee drinking status. The relationship between lower coffee consumption and AIH persisted even after controlling for covariates. CONCLUSIONS Coffee consumption is lower among patients with AIH compared to controls.
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Abstract
BACKGROUND Cirrhosis is the outcome of chronic liver disease of any etiology due to progressive liver injury and fibrosis. Consequently, cirrhosis leads to portal hypertension and liver dysfunction, progressing to complications like ascites, variceal bleeding, hepatic encephalopathy, hepatorenal syndrome, hepatopulmonary syndrome, cirrhotic cardiomyopathy, sarcopenia, hepatocellular carcinoma, and coagulation disorders. End-stage liver disease leads to an impaired quality of life, loss of social and economic productivity, and reduced survival. METHODS This narrative review explains the pathophysiology of complications of cirrhosis, the diagnostic approach and innovative management, with focus on data from India. A comprehensive literature search of the published data was performed in regard with the spectrum, diagnosis, and management of cirrhosis and its complications. RESULTS There is a change in the epidemiology of metabolic syndrome, lifestyle diseases, alcohol consumption and the spectrum of etiological diagnosis in patients with cirrhosis. With the advent of universal vaccination and efficacious long-term viral suppression agents for chronic hepatitis B, availability of direct-acting antiviral agents for chronic hepatitis C, and a booming liver transplantation programme across the country, the management of complications is essential. There are several updates in the standard of care in the management of complications of cirrhosis, such as hepatorenal syndrome, hepatocellular carcinoma, and hepatic encephalopathy, and new therapies that address supportive and palliative care in advanced cirrhosis. CONCLUSION Prevention, early diagnosis, appropriate management of complications, timely transplantation are cornerstones in the management protocol of cirrhosis and portal hypertension. India needs improved access to care, outreach of public health programmes for viral hepatitis care, health infrastructure, and disease registries for improved healthcare outcomes. Low-cost initiatives like immunization, alcohol cessation, awareness about liver diseases, viral hepatitis elimination, and patient focused decision-making algorithms are essential to manage liver disease in India.
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Key Words
- AIH, autoimmune hepatitis
- ALP, alkaline phosphatase
- AVB, acute variceal bleeding
- BMI, body mass index
- CLD, chronic liver disease
- CSPH, clinically significant portal hypertension
- CTP, Child Turcotte Pugh Score
- DAAs, direct-acting antiviral agents
- GGT, gamma glutamyl transpeptidase
- HBV, hepatitis B virus
- HCC, hepatocellular carcinoma
- HCV, hepatitis C virus
- HE, hepatic encephalopathy
- HR, hazard ratio
- HRQoL, health-related quality of life
- HVPG, hepatic vein pressure gradient
- MELD, Model for End Stage Liver disease
- MetS, metabolic syndrome
- NAFLD, non-alcoholic fatty liver disease
- NASH, non-alcoholic steatohepatitis
- NSBB, Non-selective beta blockers
- NVHCP, National Viral Hepatitis Control programme
- SAAG, Serum-ascites albumin gradient
- SBP, spontaneous bacterial peritonitis
- WHO, World Health Organization
- cirrhosis, ascites
- hepatic encephalopathy
- hepatocellular carcinoma
- portal hypertension
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Understanding the Role of the Gut Microbiome and Microbial Metabolites in Non-Alcoholic Fatty Liver Disease: Current Evidence and Perspectives. Biomolecules 2021; 12:biom12010056. [PMID: 35053205 PMCID: PMC8774162 DOI: 10.3390/biom12010056] [Citation(s) in RCA: 95] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/24/2021] [Accepted: 12/30/2021] [Indexed: 12/11/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is the most common chronic liver disease worldwide. NAFLD begins as a relatively benign hepatic steatosis which can evolve to non-alcoholic steatohepatitis (NASH); the risk of cirrhosis and hepatocellular carcinoma (HCC) increases when fibrosis is present. NAFLD represents a complex process implicating numerous factors—genetic, metabolic, and dietary—intertwined in a multi-hit etiopathogenetic model. Recent data have highlighted the role of gut dysbiosis, which may render the bowel more permeable, leading to increased free fatty acid absorption, bacterial migration, and a parallel release of toxic bacterial products, lipopolysaccharide (LPS), and proinflammatory cytokines that initiate and sustain inflammation. Although gut dysbiosis is present in each disease stage, there is currently no single microbial signature to distinguish or predict which patients will evolve from NAFLD to NASH and HCC. Using 16S rRNA sequencing, the majority of patients with NAFLD/NASH exhibit increased numbers of Bacteroidetes and differences in the presence of Firmicutes, resulting in a decreased F/B ratio in most studies. They also present an increased proportion of species belonging to Clostridium, Anaerobacter, Streptococcus, Escherichia, and Lactobacillus, whereas Oscillibacter, Flavonifaractor, Odoribacter, and Alistipes spp. are less prominent. In comparison to healthy controls, patients with NASH show a higher abundance of Proteobacteria, Enterobacteriaceae, and Escherichia spp., while Faecalibacterium prausnitzii and Akkermansia muciniphila are diminished. Children with NAFLD/NASH have a decreased proportion of Oscillospira spp. accompanied by an elevated proportion of Dorea, Blautia, Prevotella copri, and Ruminococcus spp. Gut microbiota composition may vary between population groups and different stages of NAFLD, making any conclusive or causative claims about gut microbiota profiles in NAFLD patients challenging. Moreover, various metabolites may be involved in the pathogenesis of NAFLD, such as short-chain fatty acids, lipopolysaccharide, bile acids, choline and trimethylamine-N-oxide, and ammonia. In this review, we summarize the role of the gut microbiome and metabolites in NAFLD pathogenesis, and we discuss potential preventive and therapeutic interventions related to the gut microbiome, such as the administration of probiotics, prebiotics, synbiotics, antibiotics, and bacteriophages, as well as the contribution of bariatric surgery and fecal microbiota transplantation in the therapeutic armamentarium against NAFLD. Larger and longer-term prospective studies, including well-defined cohorts as well as a multi-omics approach, are required to better identify the associations between the gut microbiome, microbial metabolites, and NAFLD occurrence and progression.
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Landerer S, Kalthoff S, Strassburg CP. UDP-glucuronosyltransferases mediate coffee-associated reduction of liver fibrosis in bile duct ligated humanized transgenic UGT1A mice. Hepatobiliary Surg Nutr 2021; 10:766-781. [PMID: 35004944 DOI: 10.21037/hbsn-20-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 04/13/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND Coffee consumption has been shown to reduce the risk of liver fibrosis and is capable of inducing human UDP-glucuronosyltransferase (UGT) 1A genes. UGT1A enzymes act as indirect antioxidants catalyzing the elimination of reactive metabolites, which in turn are potent initiators of profibrotic mechanisms. The aim of this study was to analyze the role of UGT1A genes as effectors of the protective properties of coffee in bile duct ligation (BDL) induced liver fibrosis. METHODS Fourteen days BDL with and without coffee pre- and co-treatment was performed in htgUGT1A-WT and htgUGT1A-SNP mice. Hepatic UGT1A mRNA expression levels, serum bilirubin and aminotransferase activities were determined. Liver fibrosis was assessed by collagen deposition, computational analysis of Sirius red tissue staining and expression of profibrotic marker genes. Oxidative stress was measured by hepatic peroxidase concentrations and immunofluorescence staining. RESULTS UGT1A transcription was differentially activated in the livers of htgUGT1A-WT mice after BDL, in contrast to a reduced or absent induction in the presence of SNPs. Co-treated (coffee + BDL) htgUGT1A-WT-mice showed significantly increased UGT1A expression and protein levels and a considerably higher induction compared to water drinking WT mice (BDL), whereas in co-treated htgUGT1A-SNP mice absolute expression levels remained below those observed in htgUGT1A-WT mice. Collagen deposition, oxidative stress and the expression of profibrotic markers inversely correlated with UGT1A expression levels in htgUGT1A-WT and SNP mice after BDL and coffee + BDL co-treatment. CONCLUSIONS Coffee exerts hepatoprotective and antioxidative effects via activation of UGT1A enzymes. Attenuated hepatic fibrosis as a result of coffee-mediated UGT1A induction during cholestasis was detected, while the protective action of coffee was lower in a common low-function UGT1A SNP haplotype present in 10% of the Caucasian population. This study suggests that coffee consumption might constitute a potential strategy to support the conventional treatment of cholestasis-related liver diseases.
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Affiliation(s)
- Steffen Landerer
- Department of Internal Medicine I, University Hospital Bonn, Venusberg-Campus 1, Bonn, Germany
| | - Sandra Kalthoff
- Department of Internal Medicine I, University Hospital Bonn, Venusberg-Campus 1, Bonn, Germany
| | - Christian P Strassburg
- Department of Internal Medicine I, University Hospital Bonn, Venusberg-Campus 1, Bonn, Germany
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Semmler G, Datz C, Reiberger T, Trauner M. Diet and exercise in NAFLD/NASH: Beyond the obvious. Liver Int 2021; 41:2249-2268. [PMID: 34328248 PMCID: PMC9292198 DOI: 10.1111/liv.15024] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 07/06/2021] [Accepted: 07/10/2021] [Indexed: 12/12/2022]
Abstract
Lifestyle represents the most relevant factor for non-alcoholic fatty liver disease (NAFLD) as the hepatic manifestation of the metabolic syndrome. Although a tremendous body of clinical and preclinical data on the effectiveness of dietary and lifestyle interventions exist, the complexity of this topic makes firm and evidence-based clinical recommendations for nutrition and exercise in NAFLD difficult. The aim of this review is to guide readers through the labyrinth of recent scientific findings on diet and exercise in NAFLD and non-alcoholic steatohepatitis (NASH), summarizing "obvious" findings in a holistic manner and simultaneously highlighting stimulating aspects of clinical and translational research "beyond the obvious". Specifically, the importance of calorie restriction regardless of dietary composition and evidence from low-carbohydrate diets to target the incidence and severity of NAFLD are discussed. The aspect of ketogenesis-potentially achieved via intermittent calorie restriction-seems to be a central aspect of these diets warranting further investigation. Interactions of diet and exercise with the gut microbiota and the individual genetic background need to be comprehensively understood in order to develop personalized dietary concepts and exercise strategies for patients with NAFLD/NASH.
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Affiliation(s)
- Georg Semmler
- Division of Gastroenterology and HepatologyDepartment of Internal Medicine IIIMedical University of ViennaViennaAustria
| | - Christian Datz
- Department of Internal MedicineGeneral Hospital OberndorfTeaching Hospital of the Paracelsus Medical University SalzburgSalzburgAustria
| | - Thomas Reiberger
- Division of Gastroenterology and HepatologyDepartment of Internal Medicine IIIMedical University of ViennaViennaAustria
| | - Michael Trauner
- Division of Gastroenterology and HepatologyDepartment of Internal Medicine IIIMedical University of ViennaViennaAustria
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Li Y, Li W, Lu Y, Zhang J. Coffee consumption is associated with a decreased risk of incident chronic kidney disease: A protocol for systematic review and meta-analysis. Medicine (Baltimore) 2021; 100:e27149. [PMID: 34664840 PMCID: PMC8448073 DOI: 10.1097/md.0000000000027149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 08/18/2021] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Recent studies have suggested a renal protective effect of coffee consumption against development of chronic kidney disease (CKD), although the results remain inconclusive. We performed a protocol for systematic review and meta-analysis to comprehensively investigate this association by summarizing all available data. METHODS An all-round retrieval will be performed in 5 electronic journal databases from their inception to June 2021, which comprise Medline, PubMed, Embase, ScienceDirect, and the Cochrane Library. The following key words were used on combination with Boolean operators AND or OR: "coffee," "caffeine," "renal insufficiency," "chronic kidney diseases," "chronic renal diseases." Two authors completed the quality assessment using the Newcastle-Ottawa Scale for observational studies. The meta-analysis was conducted using Review Manager 5.3 software from the Cochrane Collaboration (London, UK). RESULTS The findings of this study will be submitted to peer-reviewed journals for publication. CONCLUSION Coffee consumption may be associated with a lower risk of incident CKD.
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Affiliation(s)
- Yudong Li
- Department of General Medicine, Wuliqiao Community Health Center, Huangpu District, Shanghai, China
| | - Wenchang Li
- Department of Internal Medicine, Shanghai Xinqidian Rehabilitation Hospital, Shanghai, China
| | - Yisheng Lu
- Department of Clinical Laboratory, Ruijin Hospital (Luwan Branch) of Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Jing Zhang
- Department of General Medicine, Wuliqiao Community Health Center, Huangpu District, Shanghai, China
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Morgan MY, Sharma M, Atkinson SR. Genetic and Environmental Susceptibility to Alcoholic Hepatitis. Clin Liver Dis 2021; 25:517-535. [PMID: 34229837 DOI: 10.1016/j.cld.2021.04.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Constitutional, environmental, and genetic risk factors influence the development of alcohol-related cirrhosis. The amount of alcohol consumed and whether excessive drinking continues after the identification of pre-cirrhotic liver damage are key risk factors. Female sex, ethnicity, obesity, coffee consumption, cigarette smoking, and exposure to other causes of liver injury also influence the risk of disease development. More recently several genetic loci have been robustly associated with the risk for developing significant alcohol-related liver disease. It remains unclear whether additional risk factors are involved in the development of the clinical syndrome of alcoholic hepatitis, but the genetic evidence is suggestive.
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Affiliation(s)
- Marsha Y Morgan
- UCL Institute for Liver & Digestive Health, Division of Medicine, Royal Free Campus, University College, Rowland Hill Street, Hampstead, London NW3 2PF, UK.
| | - Moksh Sharma
- UCL Institute for Liver & Digestive Health, Division of Medicine, Royal Free Campus, University College, Rowland Hill Street, Hampstead, London NW3 2PF, UK
| | - Stephen R Atkinson
- Department of Metabolism, Digestion and Reproduction, Imperial College London, South Kensington Campus, London SW7 2AZ, UK
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29
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Sewter R, Heaney S, Patterson A. Coffee Consumption and the Progression of NAFLD: A Systematic Review. Nutrients 2021; 13:2381. [PMID: 34371891 PMCID: PMC8308484 DOI: 10.3390/nu13072381] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 07/01/2021] [Accepted: 07/06/2021] [Indexed: 11/23/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is the leading cause of chronic liver disease in developed countries. Coffee is one of the most consumed beverages in the world and has been shown to be beneficial in limiting progression in chronic liver disease in general. However, research surrounding the impact of coffee consumption on NAFLD progression is limited. This systematic review aimed to investigate the relationship between coffee consumption and the progression of liver disease, specifically for cases of NAFLD. MEDLINE, EMBASE, CINAHL, the Cochrane Library, and Scopus were searched for published studies that evaluated the effects of coffee consumption on the progression of NAFLD. The results are presented in a narrative synthesis with principal summary measures, including odds ratios, p-values, and differences in mean coffee intake in relation to severity of NAFLD. Five studies met the inclusion criteria and were included in this review. There was no trial evidence among NAFLD patients, rather all studies were of a cross-sectional design. Using the Academy of Nutrition and Dietetics Quality Criteria Checklist, four studies received a positive rating, with the remaining study receiving a neutral rating. Overall, four out of the five studies reported a statistically significant relationship between coffee consumption and the severity of fibrosis. Methods around capturing and defining coffee consumption were heterogeneous and therefore an effective dose could not be elucidated. Results suggest that higher coffee consumption is inversely associated with the severity of hepatic fibrosis in individuals with NAFLD. However, further research is required to elucidate the optimum quantity and form/preparation of coffee required to exert this hepatoprotective role.
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Affiliation(s)
- Rebecca Sewter
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW 2308, Australia; (R.S.); (S.H.)
| | - Susan Heaney
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW 2308, Australia; (R.S.); (S.H.)
- Department of Rural Health, College of Health, Medicine and Wellbeing, University of Newcastle, Port Macquarie, NSW 2444, Australia
| | - Amanda Patterson
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW 2308, Australia; (R.S.); (S.H.)
- Priority Research Centre for Physical Activity and Nutrition, University of Newcastle, Callaghan, NSW 2308, Australia
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30
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Yoshiji H, Nagoshi S, Akahane T, Asaoka Y, Ueno Y, Ogawa K, Kawaguchi T, Kurosaki M, Sakaida I, Shimizu M, Taniai M, Terai S, Nishikawa H, Hiasa Y, Hidaka H, Miwa H, Chayama K, Enomoto N, Shimosegawa T, Takehara T, Koike K. Evidence-based clinical practice guidelines for Liver Cirrhosis 2020. J Gastroenterol 2021; 56:593-619. [PMID: 34231046 PMCID: PMC8280040 DOI: 10.1007/s00535-021-01788-x] [Citation(s) in RCA: 127] [Impact Index Per Article: 42.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 02/25/2021] [Indexed: 02/07/2023]
Abstract
The first edition of the clinical practice guidelines for liver cirrhosis was published in 2010, and the second edition was published in 2015 by the Japanese Society of Gastroenterology (JSGE). The revised third edition was recently published in 2020. This version has become a joint guideline by the JSGE and the Japan Society of Hepatology (JSH). In addition to the clinical questions (CQs), background questions (BQs) are new items for basic clinical knowledge, and future research questions (FRQs) are newly added clinically important items. Concerning the clinical treatment of liver cirrhosis, new findings have been reported over the past 5 years since the second edition. In this revision, we decided to match the international standards as much as possible by referring to the latest international guidelines. Newly developed agents for various complications have also made great progress. In comparison with the latest global guidelines, such as the European Association for the Study of the Liver (EASL) and American Association for the Study of Liver Diseases (AASLD), we are introducing data based on the evidence for clinical practice in Japan. The flowchart for nutrition therapy was reviewed to be useful for daily medical care by referring to overseas guidelines. We also explain several clinically important items that have recently received focus and were not mentioned in the last editions. This digest version describes the issues related to the management of liver cirrhosis and several complications in clinical practice. The content begins with a diagnostic algorithm, the revised flowchart for nutritional therapy, and refracted ascites, which are of great importance to patients with cirrhosis. In addition to the updated antiviral therapy for hepatitis B and C liver cirrhosis, the latest treatments for non-viral cirrhosis, such as alcoholic steatohepatitis/non-alcoholic steatohepatitis (ASH/NASH) and autoimmune-related cirrhosis, are also described. It also covers the latest evidence regarding the diagnosis and treatment of liver cirrhosis complications, namely gastrointestinal bleeding, ascites, hepatorenal syndrome and acute kidney injury, hepatic encephalopathy, portal thrombus, sarcopenia, muscle cramp, thrombocytopenia, pruritus, hepatopulmonary syndrome, portopulmonary hypertension, and vitamin D deficiency, including BQ, CQ and FRQ. Finally, this guideline covers prognosis prediction and liver transplantation, especially focusing on several new findings since the last version. Since this revision is a joint guideline by both societies, the same content is published simultaneously in the official English journal of JSGE and JSH.
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Affiliation(s)
- Hitoshi Yoshiji
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan.
- Department of Gastroenterology, Nara Medical University, Shijo-cho 840, Kashihara, Nara, 634-8522, Japan.
| | - Sumiko Nagoshi
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Takemi Akahane
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Yoshinari Asaoka
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Yoshiyuki Ueno
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Koji Ogawa
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Takumi Kawaguchi
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Masayuki Kurosaki
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Isao Sakaida
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Masahito Shimizu
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Makiko Taniai
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Shuji Terai
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Hiroki Nishikawa
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Yoichi Hiasa
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Hisashi Hidaka
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Hiroto Miwa
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Kazuaki Chayama
- The Japan Society of Hepatology, Kashiwaya 2 Building 5F, 3-28-10 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Nobuyuki Enomoto
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Tooru Shimosegawa
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Tetsuo Takehara
- The Japan Society of Hepatology, Kashiwaya 2 Building 5F, 3-28-10 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Kazuhiko Koike
- Guidelines Committee for Creating and Evaluating the "Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis", The Japanese Society of Gastroenterology / The Japan Society of Hepatology, 6F Shimbashi i-MARK Building, 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
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Yoshiji H, Nagoshi S, Akahane T, Asaoka Y, Ueno Y, Ogawa K, Kawaguchi T, Kurosaki M, Sakaida I, Shimizu M, Taniai M, Terai S, Nishikawa H, Hiasa Y, Hidaka H, Miwa H, Chayama K, Enomoto N, Shimosegawa T, Takehara T, Koike K. Evidence-based clinical practice guidelines for liver cirrhosis 2020. Hepatol Res 2021; 51:725-749. [PMID: 34228859 DOI: 10.1111/hepr.13678] [Citation(s) in RCA: 87] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 05/26/2021] [Indexed: 12/14/2022]
Abstract
The first edition of the clinical practice guidelines for liver cirrhosis was published in 2010, and the second edition was published in 2015 by the Japanese Society of Gastroenterology (JSGE). The revised third edition was recently published in 2020. This version has become a joint guideline by the JSGE and the Japanese Society of Hepatology (JSH). In addition to the clinical questions (CQs), background questions (BQs) are new items for basic clinical knowledge, and future research questions (FRQs) are newly added clinically important items. Concerning the clinical treatment of liver cirrhosis, new findings have been reported over the past 5 years since the second edition. In this revision, we decided to match the international standards as much as possible by referring to the latest international guidelines. Newly developed agents for various complications have also made great progress. In comparison with the latest global guidelines, such as the European Association for the Study of the Liver (EASL) and American Association for the Study of Liver Diseases (AASLD), we are introducing data based on the evidence for clinical practice in Japan. The flowchart for nutrition therapy was reviewed to be useful for daily medical care by referring to overseas guidelines. We also explain several clinically important items that have recently received focus and were not mentioned in the last editions. This digest version describes the issues related to the management of liver cirrhosis and several complications in clinical practice. The content begins with a diagnostic algorithm, the revised flowchart for nutritional therapy, and refracted ascites, which are of great importance to patients with cirrhosis. In addition to the updated antiviral therapy for hepatitis B and C liver cirrhosis, the latest treatments for non-viral cirrhosis, such as alcoholic steatohepatitis/non-alcoholic steatohepatitis (ASH/NASH) and autoimmune-related cirrhosis, are also described. It also covers the latest evidence regarding the diagnosis and treatment of liver cirrhosis complications, namely gastrointestinal bleeding, ascites, hepatorenal syndrome and acute kidney injury, hepatic encephalopathy, portal thrombus, sarcopenia, muscle cramp, thrombocytopenia, pruritus, hepatopulmonary syndrome, portopulmonary hypertension, and vitamin D deficiency, including BQ, CQ and FRQ. Finally, this guideline covers prognosis prediction and liver transplantation, especially focusing on several new findings since the last version. Since this revision is a joint guideline by both societies, the same content is published simultaneously in the official English journal of JSGE and JSH.
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Affiliation(s)
- Hitoshi Yoshiji
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan.,Department of Gastroenterology, Nara Medical University, Nara, Japan
| | - Sumiko Nagoshi
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | - Takemi Akahane
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | - Yoshinari Asaoka
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | - Yoshiyuki Ueno
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | - Koji Ogawa
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | - Takumi Kawaguchi
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | - Masayuki Kurosaki
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | - Isao Sakaida
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | - Masahito Shimizu
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | - Makiko Taniai
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | - Shuji Terai
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | - Hiroki Nishikawa
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | - Yoichi Hiasa
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | - Hisashi Hidaka
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | - Hiroto Miwa
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | | | - Nobuyuki Enomoto
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | - Tooru Shimosegawa
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
| | | | - Kazuhiko Koike
- Guidelines Committee for Creating and Evaluating the Evidence-Based Clinical Practice Guidelines for Liver Cirrhosis, The Japanese Society of Gastroenterology/the Japan Society of hepatology, Tokyo, Japan
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Kennedy OJ, Fallowfield JA, Poole R, Hayes PC, Parkes J, Roderick PJ. All coffee types decrease the risk of adverse clinical outcomes in chronic liver disease: a UK Biobank study. BMC Public Health 2021; 21:970. [PMID: 34154561 PMCID: PMC8218514 DOI: 10.1186/s12889-021-10991-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 05/06/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Chronic liver disease (CLD) is a growing cause of morbidity and mortality worldwide, particularly in low to middle-income countries with high disease burden and limited treatment availability. Coffee consumption has been linked with lower rates of CLD, but little is known about the effects of different coffee types, which vary in chemical composition. This study aimed to investigate associations of coffee consumption, including decaffeinated, instant and ground coffee, with chronic liver disease outcomes. METHODS A total of 494,585 UK Biobank participants with known coffee consumption and electronic linkage to hospital, death and cancer records were included in this study. Cox regression was used to estimate hazard ratios (HR) of incident CLD, incident CLD or steatosis, incident hepatocellular carcinoma (HCC) and death from CLD according to coffee consumption of any type as well as for decaffeinated, instant and ground coffee individually. RESULTS Among 384,818 coffee drinkers and 109,767 non-coffee drinkers, there were 3600 cases of CLD, 5439 cases of CLD or steatosis, 184 cases of HCC and 301 deaths from CLD during a median follow-up of 10.7 years. Compared to non-coffee drinkers, coffee drinkers had lower adjusted HRs of CLD (HR 0.79, 95% CI 0.72-0.86), CLD or steatosis (HR 0.80, 95% CI 0.75-0.86), death from CLD (HR 0.51, 95% CI 0.39-0.67) and HCC (HR 0.80, 95% CI 0.54-1.19). The associations for decaffeinated, instant and ground coffee individually were similar to all types combined. CONCLUSION The finding that all types of coffee are protective against CLD is significant given the increasing incidence of CLD worldwide and the potential of coffee as an intervention to prevent CLD onset or progression.
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Affiliation(s)
- Oliver J Kennedy
- Primary Care & Population Sciences, Faculty of Medicine, University of Southampton, Southampton, SO17 1BJ, UK.
| | - Jonathan A Fallowfield
- University of Edinburgh Centre for Inflammation Research, Queen's Medical Research Institute, Edinburgh Bioquarter, Edinburgh, EH16 4TJ, UK
| | - Robin Poole
- Primary Care & Population Sciences, Faculty of Medicine, University of Southampton, Southampton, SO17 1BJ, UK
| | - Peter C Hayes
- University of Edinburgh Centre for Inflammation Research, Queen's Medical Research Institute, Edinburgh Bioquarter, Edinburgh, EH16 4TJ, UK
| | - Julie Parkes
- Primary Care & Population Sciences, Faculty of Medicine, University of Southampton, Southampton, SO17 1BJ, UK
| | - Paul J Roderick
- Primary Care & Population Sciences, Faculty of Medicine, University of Southampton, Southampton, SO17 1BJ, UK
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Liu SY, Tsai IT, Hsu YC. Alcohol-Related Liver Disease: Basic Mechanisms and Clinical Perspectives. Int J Mol Sci 2021; 22:5170. [PMID: 34068269 PMCID: PMC8153142 DOI: 10.3390/ijms22105170] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 05/07/2021] [Accepted: 05/12/2021] [Indexed: 12/12/2022] Open
Abstract
Alcohol-related liver disease (ALD) refers to the liver damage occurring due to excessive alcohol consumption and involves a broad spectrum of diseases that includes liver steatosis, steatohepatitis, hepatitis, cirrhosis, and hepatocellular carcinoma (HCC). The progression of ALD is mainly associated with the amount and duration of alcohol usage; however, it is also influenced by genetic, epigenetic, and environmental factors. The definite diagnosis of ALD is based on a liver biopsy, although several non-invasive diagnostic tools and serum biomarkers have emerging roles in the early detection of ALD. While alcohol abstinence and nutritional support remain the cornerstone of ALD treatment, growing evidence has revealed that the therapeutic agents that target oxidative stress or gut-liver axis, inflammatory response inhibition, and liver regeneration enhancement also play a role in ALD management. Furthermore, microRNAs modulation and mesenchymal stem cell-based therapy have emerging potential as ALD therapeutic options. This review summarizes the updated understanding of the pathophysiology, diagnosis, and novel therapeutic approaches for ALD.
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Affiliation(s)
- Szu-Yi Liu
- Department of Emergency Medicine, E-Da Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (S.-Y.L.); (I.-T.T.)
| | - I-Ting Tsai
- Department of Emergency Medicine, E-Da Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (S.-Y.L.); (I.-T.T.)
- School of Medicine for International Student, I-Shou University, Kaohsiung 82445, Taiwan
| | - Yin-Chou Hsu
- Department of Emergency Medicine, E-Da Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (S.-Y.L.); (I.-T.T.)
- School of Medicine for International Student, I-Shou University, Kaohsiung 82445, Taiwan
- School of Chinese Medicine for Post Baccalaureate, I-Shou University, Kaohsiung 82445, Taiwan
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34
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Krstić MN, Mijač D, Tomašević RS, Lukić S, Stojković Lalošević M, Krstić JM, Milosavljević T. Abnormal Liver Blood Tests: Hepatologist Approach. Dig Dis 2021; 40:206-214. [PMID: 33971644 DOI: 10.1159/000517110] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 05/09/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND Available data suggest that the prevalence of chronic liver disease (CLD) and primary liver cancer is rising in Europe and represents a major public health problem. Predictions are showing that these trends will continue to rise in the upcoming years. SUMMARY Alcohol-related liver disease, nonalcohol fatty liver disease, and viral hepatitis B and hepatitis C are the leading causes of liver cirrhosis and primary liver cancer in Europe. Drug-induced liver injury represents a major cause of acute hepatitis, while liver transplantation is the second most common solid organ transplantation in the world. Patients with CLD have increasing rates of hospitalization, longer hospital stays, and more adverse outcomes compared to the other chronic conditions. Direct targeting of risk factors can prevent complications of advanced liver disease and improve outcome. Patients with CLD should be referred to a hepatologist for assessment of the stage of liver disease, for specific treatment and screening for hepatocellular carcinoma. Moreover, patients with unknown etiology of abnormal liver blood tests should be referred to a hepatologist for assessment of liver disease, as well as for prevention and treatment of complications of cirrhosis and/or portal hypertension. Key Messages: CLD is amenable to prevention and treatment, while disease management strategies need to improve in order to reduce the burden of liver disease and deaths due to end-stage liver diseases.
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Affiliation(s)
- Miodrag N Krstić
- Clinic for Gastroenterology and Hepatology, University Clinical Center of Serbia, Medical School, University of Belgrade, Belgrade, Serbia
| | - Dragana Mijač
- Clinic for Gastroenterology and Hepatology, University Clinical Center of Serbia, Medical School, University of Belgrade, Belgrade, Serbia
| | - Ratko S Tomašević
- Zemun Medical Center, Gastroenterology Department, Medical School, University of Belgrade, Belgrade, Serbia
| | - Snežana Lukić
- Clinic for Gastroenterology and Hepatology, University Clinical Center of Serbia, Medical School, University of Belgrade, Belgrade, Serbia
| | - Milica Stojković Lalošević
- Clinic for Gastroenterology and Hepatology, University Clinical Center of Serbia, Medical School, University of Belgrade, Belgrade, Serbia
| | - Jovan M Krstić
- Clinic for Digestive Surgery, Clinical Center of Serbia, Medical School, University of Belgrade, Belgrade, Serbia
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35
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Buchanan R, Sinclair JMA. Alcohol use disorder and the liver. Addiction 2021; 116:1270-1278. [PMID: 32710592 DOI: 10.1111/add.15204] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/19/2020] [Accepted: 07/17/2020] [Indexed: 12/23/2022]
Abstract
Alcohol use disorders (AUD) cause a range of physical harms, but the major cause of alcohol-related mortality is alcohol-related liver disease (ALD), in some countries accounting for almost 90% of alcohol-related deaths. The risk of ALD has an exponential relationship with increasing alcohol consumption, but is also associated with genetic factors, other life-style factors and social deprivation. ALD includes a spectrum of progressive pathology, from liver steatosis to fibrosis and liver cirrhosis. There are no specific treatments for liver cirrhosis, but abstinence from alcohol is key to limit progression of the disease. Over time, cirrhosis can progress (often silently) to decompensated cirrhosis and hepatocellular carcinoma (HCC). Liver transplantation may be suitable for patients with decompensated liver cirrhosis and may also be used as a curative intervention for HCC, but only for a few selected patients, and complete abstinence is a prerequisite. Patients with AUD are also at risk of developing alcoholic hepatitis, which has a high mortality and limited evidence for effective therapies. There is a strong evidence base for the effectiveness of psychosocial and pharmacological interventions for AUD, but very few of these have been trialled in patients with comorbid ALD. Integrated specialist alcohol and hepatology collaborations are required to develop interventions and pathways for patients with ALD and ongoing AUD.
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Affiliation(s)
- Ryan Buchanan
- Department of Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Julia M A Sinclair
- Department of Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
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36
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Kanbay M, Siriopol D, Copur S, Tapoi L, Benchea L, Kuwabara M, Rossignol P, Ortiz A, Covic A, Afsar B. Effect of Coffee Consumption on Renal Outcome: A Systematic Review and Meta-Analysis of Clinical Studies. J Ren Nutr 2020; 31:5-20. [PMID: 32958376 DOI: 10.1053/j.jrn.2020.08.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 08/02/2020] [Accepted: 08/05/2020] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE Drinking coffee is one of the most common daily habits, especially in the developed world. Along with caffeine, coffee has various ingredients that have been suggested to have beneficial effects, including antioxidant, antiinflammatory, anticarcinogenic, antithrombotic and antifibrotic effects. In this systematic review and meta-analysis, we investigated the relationship between coffee intake and chronic kidney disease (CKD) related outcomes. DESIGN AND METHODS Literature search was performed through PubMed/Medline, Web of Science, Embase (Elsevier), and the Cochrane Central Register of Controlled Trials (Wiley) from 1960 to February 2020. Incidence of CKD, the progression of CKD, and CKD-associated mortality have been evaluated in relation to coffee consumption and the amount of consumption. The Newcastle-Ottawa scale was used for quality assessment of included studies. RESULTS 12 studies were included in the analysis (7 prospective, 5 cross-sectional) involving 505,841 subjects. 7 studies investigated the relationship between coffee consumption and incident CKD and showed that coffee consumption was associated with a significant decrease in the risk for incident CKD outcome (RR 0.86, 95% CI 0.76 to 0.97, P = .01) with a greater decrease in individuals taking ≥2 cups/day compared to those who drank ≤1 cup/day. There was a significantly lower risk of incident end stage kidney disease (ESKD) in coffee users (HR 0.82, 95% CI 0.72 to 0.94, P = .005). Coffee consumption was also associated with a lower risk of albuminuria (OR 0.81, 95% CI 0.68 to 0.97, P = .02). Overall, the risk of death related to CKD was lower in coffee users (HR 0.72, 95% CI 0.54 to 0.96, P = .02). CONCLUSION Coffee intake was dose-dependently associated with lower incident CKD, ESKD, and albuminuria.
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Affiliation(s)
- Mehmet Kanbay
- Division of Nephrology, Department of Medicine, Koc University School of Medicine, Istanbul, Turkey.
| | - Dimitrie Siriopol
- Department of Nephrology, Grigore T. Popa' University of Medicine, Iasi, Romania
| | - Sidar Copur
- Department of Medicine, Koc University School of Medicine, Istanbul, Turkey
| | - Laura Tapoi
- Department of Cardiology, 'Grigore T. Popa' University of Medicine, Iasi, Romania
| | - Laura Benchea
- Department of Cardiology, 'Grigore T. Popa' University of Medicine, Iasi, Romania
| | | | - Patrick Rossignol
- Université de Lorraine, INSERM CIC-P 1433, CHRU de Nancy, INSERM U1116, FCRIN INI-CRCT (Cardiovascular and Renal Clinical Trialists), Nancy, France
| | - Alberto Ortiz
- Dialysis Unit, School of Medicine, IIS-Fundacion Jimenez Diaz, Universidad Autónoma de Madrid, Avd. Reyes Católicos 2, 28040, Madrid, Spain
| | - Adrian Covic
- Department of Medicine, Koc University School of Medicine, Istanbul, Turkey
| | - Baris Afsar
- Division of Nephrology, Department of Internal Medicine, Suleyman Demirel University School of Medicine, Isparta Turkey
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37
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Affiliation(s)
- Rob M van Dam
- From the Saw Swee Hock School of Public Health and Yong Loo Lin School of Medicine, National University of Singapore and National University Health System, Singapore (R.M.V.D.); and the Departments of Nutrition (R.M.V.D., F.B.H., W.C.W.) and Epidemiology (F.B.H., W.C.W.), Harvard T.H. Chan School of Public Health, and the Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School (F.B.H., W.C.W.) - both in Boston
| | - Frank B Hu
- From the Saw Swee Hock School of Public Health and Yong Loo Lin School of Medicine, National University of Singapore and National University Health System, Singapore (R.M.V.D.); and the Departments of Nutrition (R.M.V.D., F.B.H., W.C.W.) and Epidemiology (F.B.H., W.C.W.), Harvard T.H. Chan School of Public Health, and the Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School (F.B.H., W.C.W.) - both in Boston
| | - Walter C Willett
- From the Saw Swee Hock School of Public Health and Yong Loo Lin School of Medicine, National University of Singapore and National University Health System, Singapore (R.M.V.D.); and the Departments of Nutrition (R.M.V.D., F.B.H., W.C.W.) and Epidemiology (F.B.H., W.C.W.), Harvard T.H. Chan School of Public Health, and the Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School (F.B.H., W.C.W.) - both in Boston
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38
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Hydes TJ, Ravi S, Loomba R, E Gray M. Evidence-based clinical advice for nutrition and dietary weight loss strategies for the management of NAFLD and NASH. Clin Mol Hepatol 2020; 26:383-400. [PMID: 32674529 PMCID: PMC7641567 DOI: 10.3350/cmh.2020.0067] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 05/19/2020] [Indexed: 02/06/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most common cause of chronic liver disease worldwide and affects approximately one third of adults in the United States. The disease is becoming a global epidemic as a result of the rising rates of obesity and metabolic disease. Emerging data suggest weight loss of ≥10% overall body weight is beneficial in resolving steatosis and reversing fibrosis. Prospective trials comparing various diets are limited by lack of sufficient power as well as pre- and post-treatment histopathology, and therefore no specific diet is recommended at this time. In this narrative review we examine the pathophysiology behind specific macronutrient components that can either promote or reverse NAFLD to help inform more specific dietary recommendations. Overall, the data supports reducing saturated fat, refined carbohydrates, and red and processed meats in the diet, and increasing the consumption of plant-based foods. Diets that incorporate these recommendations include plant-based diets such as the Dietary Approaches to Stop Hypertension, Mediterranean, vegetarian, and vegan diets.
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Affiliation(s)
- Theresa J Hydes
- Division of Gastroenterology and Hepatology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Sujan Ravi
- Division of Gastroenterology and Hepatology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Rohit Loomba
- Division of Gastroenterology, University of California, San Diego, La Jolla, CA, USA
| | - Meagan E Gray
- Division of Gastroenterology and Hepatology, University of Alabama at Birmingham, Birmingham, AL, USA
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39
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Ntandja Wandji LC, Gnemmi V, Mathurin P, Louvet A. Combined alcoholic and non-alcoholic steatohepatitis. JHEP Rep 2020; 2:100101. [PMID: 32514497 PMCID: PMC7267467 DOI: 10.1016/j.jhepr.2020.100101] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 02/18/2020] [Accepted: 03/10/2020] [Indexed: 02/06/2023] Open
Abstract
While metabolic syndrome and alcohol consumption are the two main causes of chronic liver disease, one of the two conditions is often predominant, with the other acting as a cofactor of morbimortality. It has been shown that obesity and alcohol act synergistically to increase the risk of fibrosis progression, hepatic carcinogenesis and mortality, while genetic polymorphisms can strongly influence disease progression. Based on common pathogenic pathways, there are several potential targets that could be used to treat both diseases; based on the prevalence and incidence of these diseases, new therapies and clinical trials are needed urgently.
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Key Words
- ACC, acetyl-CoA carboxylase
- ALD
- ALD, alcohol-related liver disease
- ASH
- ASH, alcohol-related steatohepatitis
- ASK-1, apoptosis signal-regulating kinase 1
- Alcohol
- BMI, body mass index
- CLD, chronic liver disease
- CPT, carnitine palmitoyltransferase
- DNL, de novo lipogenesis
- EASL, European Association for the Study of the Liver
- ER, endoplasmic reticulum
- FXR, farnesoid X receptor
- HCC, hepatocellular carcinoma
- HSD17B13, hydroxysteroid 17-beta dehydrogenase 13
- IL, interleukin
- LPS, lipopolysaccharide
- MBOAT7, membrane bound O-acyl transferase 7
- MELD, model for end-stage liver disease
- NAFLD
- NAFLD, non-alcoholic fatty liver disease
- NASH
- NASH, non-alcoholic steatohepatitis
- OR, odds ratio
- PAMP, pathogen-associated molecular pattern
- PI3K, phosphatidylinositol-3-kinase
- PIP3, phosphatidylinositol 3,4,5-triphosphate
- PNPLA3, palatin-like phospholipase domain-containing 3
- PRKCE, protein kinase C Epsilon
- ROS, reactive oxygen species
- SREBP-1c, sterol regulatory element binding protein-1c
- TLR, Toll-like receptor
- TM6SF2, transmembrane 6 superfamily member 2
- TNF-α, tumour necrosis factor-α
- WHO, World Health Organization
- diabetes
- metabolic syndrome
- obesity
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Affiliation(s)
- Line Carolle Ntandja Wandji
- Service des maladies de l'appareil digestif, Hôpital Huriez, Rue Polonowski, 59037 Lille Cedex, France
- Université Lille Nord de France, Lille, France
- Unité INSERM 995, Lille, France
| | | | - Philippe Mathurin
- Service des maladies de l'appareil digestif, Hôpital Huriez, Rue Polonowski, 59037 Lille Cedex, France
- Université Lille Nord de France, Lille, France
- Unité INSERM 995, Lille, France
| | - Alexandre Louvet
- Service des maladies de l'appareil digestif, Hôpital Huriez, Rue Polonowski, 59037 Lille Cedex, France
- Université Lille Nord de France, Lille, France
- Unité INSERM 995, Lille, France
- Corresponding author. Address: Service des maladies de l'appareil digestif, Hôpital Huriez, Rue Polonowski, 59037 Lille Cedex, France. Tel.: +33 320445597; fax: +33 320445564.
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Alcohol-related liver disease: Clinical practice guidelines by the Latin American Association for the Study of the Liver (ALEH). Ann Hepatol 2020; 18:518-535. [PMID: 31053546 DOI: 10.1016/j.aohep.2019.04.005] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Accepted: 03/06/2019] [Indexed: 02/04/2023]
Abstract
Alcohol-related liver disease (ALD) is a major cause of advanced chronic liver disease in Latin-America, although data on prevalence is limited. Public health policies aimed at reducing the alarming prevalence of alcohol use disorder in Latin-America should be implemented. ALD comprises a clinical-pathological spectrum that ranges from steatosis, steatohepatitis to advanced forms such as alcoholic hepatitis (AH), cirrhosis and hepatocellular carcinoma. Besides genetic factors, the amount of alcohol consumption is the most important risk factor for the development of ALD. Continuous consumption of more than 3 standard drinks per day in men and more than 2 drinks per day in women increases the risk of developing liver disease. The pathogenesis of ALD is only partially understood and recent translational studies have identified novel therapeutic targets. Early forms of ALD are often missed and most clinical attention is focused on AH, which is defined as an abrupt onset of jaundice and liver-related complications. In patients with potential confounding factors, a transjugular biopsy is recommended. The standard therapy for AH (i.e. prednisolone) has not evolved in the last decades yet promising new therapies (i.e. G-CSF, N-acetylcysteine) have been recently proposed. In both patients with early and severe ALD, prolonged abstinence is the most efficient therapeutic measure to decrease long-term morbidity and mortality. A multidisciplinary team including alcohol addiction specialists is recommended to manage patients with ALD. Liver transplantation should be considered in the management of patients with end-stage ALD that do not recover despite abstinence. In selected cases, increasing number of centers are proposing early transplantation for patients with severe AH not responding to medical therapy.
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41
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Matoba N, Akiyama M, Ishigaki K, Kanai M, Takahashi A, Momozawa Y, Ikegawa S, Ikeda M, Iwata N, Hirata M, Matsuda K, Murakami Y, Kubo M, Kamatani Y, Okada Y. GWAS of 165,084 Japanese individuals identified nine loci associated with dietary habits. Nat Hum Behav 2020; 4:308-316. [PMID: 31959922 DOI: 10.1038/s41562-019-0805-1] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 12/03/2019] [Indexed: 01/02/2023]
Abstract
Dietary habits are important factors in our lifestyle, and confer both susceptibility to and protection from a variety of human diseases. We performed genome-wide association studies for 13 dietary habits including consumption of alcohol (ever versus never drinkers and drinks per week), beverages (coffee, green tea and milk) and foods (yoghurt, cheese, natto, tofu, fish, small whole fish, vegetables and meat) in Japanese individuals (n = 58,610-165,084) collected by BioBank Japan, the nationwide hospital-based genome cohort. Significant associations were found in nine genetic loci (MCL1-ENSA, GCKR, AGR3-AHR, ADH1B, ALDH1B1, ALDH1A1, ALDH2, CYP1A2-CSK and ADORA2A-AS1) for 13 dietary traits (P < 3.8 × 10-9). Of these, ten associations between five loci and eight traits were new findings. Furthermore, a phenome-wide association study revealed that five of the dietary trait-associated loci have pleiotropic effects on multiple human complex diseases and clinical measurements. Our findings provide new insight into the genetics of habitual consumption.
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Affiliation(s)
- Nana Matoba
- Laboratory for Statistical Analysis, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.,Department of Genetics, UNC Neuroscience Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Masato Akiyama
- Laboratory for Statistical Analysis, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.,Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kazuyoshi Ishigaki
- Laboratory for Statistical Analysis, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Masahiro Kanai
- Laboratory for Statistical Analysis, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.,Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA
| | - Atsushi Takahashi
- Laboratory for Statistical Analysis, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.,Department of Genomic Medicine, Research Institute, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Yukihide Momozawa
- Laboratory for Genotyping Development, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Shiro Ikegawa
- Laboratory for Bone and Joint Diseases, RIKEN Center for Integrative Medical Sciences, Tokyo, Japan
| | - Masashi Ikeda
- Department of Psychiatry, Fujita Health University School of Medicine, Toyotake, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Toyotake, Japan
| | - Makoto Hirata
- Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Koichi Matsuda
- Graduate School of Frontier Sciences, The University of Tokyo, Tokyo, Japan
| | - Yoshinori Murakami
- Division of Molecular Pathology, the Institute of Medical Sciences, The University of Tokyo, Tokyo, Japan
| | - Michiaki Kubo
- RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Yoichiro Kamatani
- Laboratory for Statistical Analysis, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan. .,Laboratory of Complex Trait Genomics, Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Tokyo, Japan.
| | - Yukinori Okada
- Department of Statistical Genetics, Osaka University Graduate School of Medicine, Suita, Japan. .,Laboratory of Statistical Immunology, Immunology Frontier Research Center, Osaka University, Suita, Japan. .,Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Japan.
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42
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Ehrmann J, Urban O, Dvoran P. Alcohol-related liver diseases. Cent Eur J Public Health 2020; 27 Suppl:S10-S14. [PMID: 31901188 DOI: 10.21101/cejph.a5999] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Accepted: 12/04/2019] [Indexed: 11/15/2022]
Abstract
This educational article/narrative review reflects the European Association for the Study of the Liver (EASL) clinical practice guidelines: management of alcohol-related liver disease. An important change contrasting with the 2012 guidelines is the new terminology of alcohol-related liver diseases. Another important outcome is the strong emphasis on prevention of alcohol use disorder which may be performed at all stages of public health care.
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Affiliation(s)
- Jiří Ehrmann
- Department of Internal Medicine II - Gastroenterology and Geriatrics, Faculty of Medicine, Palacky University Olomouc and University Hospital, Olomouc, Czech Republic
| | - Ondřej Urban
- Department of Internal Medicine II - Gastroenterology and Geriatrics, Faculty of Medicine, Palacky University Olomouc and University Hospital, Olomouc, Czech Republic
| | - Pavol Dvoran
- Department of Internal Medicine II - Gastroenterology and Geriatrics, Faculty of Medicine, Palacky University Olomouc and University Hospital, Olomouc, Czech Republic
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43
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Crabb DW, Im GY, Szabo G, Mellinger JL, Lucey MR. Diagnosis and Treatment of Alcohol-Associated Liver Diseases: 2019 Practice Guidance From the American Association for the Study of Liver Diseases. Hepatology 2020; 71:306-333. [PMID: 31314133 DOI: 10.1002/hep.30866] [Citation(s) in RCA: 418] [Impact Index Per Article: 104.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 05/31/2019] [Indexed: 12/12/2022]
Affiliation(s)
- David W Crabb
- Indiana University School of Medicine, Indianapolis, IN
| | - Gene Y Im
- Icahn School of Medicine at Mount Sinai, New York, NY
| | - Gyongyi Szabo
- University of Massachusetts Medical School, Worcester, MA
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Dietary intake of total polyphenols and the risk of all-cause and specific-cause mortality in Japanese adults: the Takayama study. Eur J Nutr 2019; 59:1263-1271. [PMID: 31732850 PMCID: PMC7098940 DOI: 10.1007/s00394-019-02136-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 11/04/2019] [Indexed: 12/13/2022]
Abstract
Purpose Several epidemiological studies have demonstrated the health benefits of polyphenols, but the associations between polyphenol intake and mortality including total and major causes of death remain unclear. We investigated the associations between subjects’ total polyphenol intake and their mortality from all causes, cardiovascular disease (CVD), cancer, and other causes of death in a population-based cohort study in Japan. Methods A total of 29,079 residents of Takayama City, Japan were analyzed. Their dietary intake was assessed using a validated semi-quantitative food-frequency questionnaire (FFQ) in 1992. Mortality was ascertained over the subsequent 16 years. The dietary polyphenol intake was calculated by matching the subjects’ food consumption data with our original polyphenol content database. Results A total of 5339 deaths occurred during the follow-up. After multivariable adjustment, the highest quartile of total polyphenol intake compared with the lowest quartile was significantly associated with a lower risk of all-cause mortality (HR: 0.93, 95% CI: 0.82–0.99, p trend = 0.003). The subjects in the highest quartile showed significantly lower CVD mortality compared to those in the lowest quartile, and among the types of CVD mortality, a strong inverse association was observed for stroke mortality. Inverse associations were also observed for mortality from other causes, specifically digestive disease. The total polyphenol intake was not significantly associated with the risk of cancer mortality. Conclusions The results of this prospective study indicate that dietary total polyphenol intake in Japanese is inversely associated with all-cause mortality and mortality from cardiovascular and digestive diseases.
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Abstract
OBJECTIVES To systematically summarize the risk relationship between different levels of alcohol consumption and incidence of liver cirrhosis. METHODS MEDLINE and Embase were searched up to March 6, 2019, to identify case-control and cohort studies with sex-specific results and more than 2 categories of drinking in relation to the incidence of liver cirrhosis. Study characteristics were extracted and random-effects meta-analyses and meta-regressions were conducted. RESULTS A total of 7 cohort studies and 2 case-control studies met the inclusion criteria, providing data from 2,629,272 participants with 5,505 cases of liver cirrhosis. There was no increased risk for occasional drinkers. Consumption of one drink per day in comparison to long-term abstainers showed an increased risk for liver cirrhosis in women, but not in men. The risk for women was consistently higher compared to men. Drinking ≥5 drinks per day was associated with a substantially increased risk in both women (relative risk [RR] = 12.44, 95% confidence interval [CI]: 6.65-23.27 for 5-6 drinks, and RR = 24.58, 95% CI: 14.77-40.90 for ≥7 drinks) and men (RR = 3.80, 95% CI: 0.85-17.02, and RR = 6.93, 95% CI: 1.07-44.99, respectively). Heterogeneity across studies indicated an additional impact of other risk factors. DISCUSSION Alcohol is a major risk factor for liver cirrhosis with risk increasing exponentially. Women may be at higher risk compared to men even with little alcohol consumption. More high-quality research is necessary to elucidate the role of other risk factors, such as genetic vulnerability, body weight, metabolic risk factors, and drinking patterns over the life course. High alcohol consumption should be avoided, and people drinking at high levels should receive interventions to reduce their intake.
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46
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Ismaiel A, Dumitraşcu DL. Cardiovascular Risk in Fatty Liver Disease: The Liver-Heart Axis-Literature Review. Front Med (Lausanne) 2019; 6:202. [PMID: 31616668 PMCID: PMC6763690 DOI: 10.3389/fmed.2019.00202] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 08/27/2019] [Indexed: 12/14/2022] Open
Abstract
According to the World Health Organization, cardiovascular disease (CVD) remains the leading cause of death worldwide, accounting for approximately 18 million deaths per year. Nevertheless, the worldwide prevalence of metabolic diseases, such as type 2 diabetes mellitus, obesity, and non-alcoholic fatty liver disease (NAFLD), also known to be common risk factors for CVD, have dramatically increased over the last decades. Chronic alcohol consumption is a major cause of chronic liver diseases (CLD) as well as being a major health care cost expenditure accounting for the spending of tremendous amounts of money annually. NAFLD has become one of the major diseases plaguing the world while standing as the most common cause of liver disease in the Western countries by representing about 75% of all CLD. Currently, the most common cause of death in NAFLD remains to be CVD. Several mechanisms have been suggested to be responsible for associating FLD with CVD through several mechanisms including low-grade systemic inflammation, oxidative stress, adipokines, endoplasmic reticulum stress, lipotoxicity and microbiota dysbiosis which may also be influenced by other factors such as genetic and epigenetic variations. Despite of all this evidence, the exact mechanisms of how FLD can causally contribute to CVD are not fully elucidated and much remains unknown. Moreover, the current literature supports the increasing evidence associating FLD with several cardiovascular (CV) adverse events including coronary artery disease, increased subclinical atherosclerosis risk, structural alterations mainly left ventricular hypertrophy, increased epicardial fat thickness, valvular calcifications including aortic valve sclerosis and mitral annular calcification and functional cardiac modifications mainly diastolic dysfunction in addition to cardiac arrhythmias such as atrial fibrillation and ventricular arrythmias and conduction defects including atrioventricular blocks and bundle branch blocks. Patients with FLD should be evaluated and managed accordingly in order to prevent further complications. Possible management methods include non-pharmacological strategies including life style modifications, pharmacological therapies as well as surgical management. This review aims to summarize the current state of knowledge regarding the pathophysiological mechanisms linking FLD with an increased CV risk, in addition to associated CV adverse events and current management modalities.
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Affiliation(s)
- Abdulrahman Ismaiel
- Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.,2nd Department of Internal Medicine, Cluj-Napoca, Romania
| | - Dan L Dumitraşcu
- Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.,2nd Department of Internal Medicine, Cluj-Napoca, Romania
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Mansour A, Hekmatdoost A, Mirmiran P. What are the main areas of focus to prevent or treat non-alcoholic fatty liver disease? J Dig Dis 2019; 20:271-277. [PMID: 30968561 DOI: 10.1111/1751-2980.12751] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 02/26/2019] [Accepted: 04/07/2019] [Indexed: 12/11/2022]
Abstract
Recently, a growing body of information has accumulated to suggest that nutritional status and food compounds impact on the development or progression of non-alcoholic fatty liver disease (NAFLD). The best strategy to prevent and treat NAFLD is to modify diet and lifestyle by maintaining a healthy weight, following a well-balanced diet with appropriate energy intake and increasing physical activity or strength training. Here we review the literatures and discuss existing and potential therapeutic strategies for the prevention and management of NAFLD, emphasizing the description of nutritional status and its clinical impact on the outcomes of NAFLD.
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Affiliation(s)
- Asieh Mansour
- Student Research Committee, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Department of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology, Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Azita Hekmatdoost
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology, Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Parvin Mirmiran
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology, Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Romualdo GR, Rocha AB, Vinken M, Cogliati B, Moreno FS, Chaves MAG, Barbisan LF. Drinking for protection? Epidemiological and experimental evidence on the beneficial effects of coffee or major coffee compounds against gastrointestinal and liver carcinogenesis. Food Res Int 2019; 123:567-589. [PMID: 31285007 DOI: 10.1016/j.foodres.2019.05.029] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 05/15/2019] [Accepted: 05/20/2019] [Indexed: 02/07/2023]
Abstract
Recent meta-analyses indicate that coffee consumption reduces the risk for digestive tract (oral, esophageal, gastric and colorectal) and, especially, liver cancer. Coffee bean-derived beverages, as the widely-consumed espresso and "common" filtered brews, present remarkable historical, cultural and economic importance globally. These drinks have rich and variable chemical composition, depending on factors that vary from "seeding to serving". The alkaloids caffeine and trigonelline, as well as the polyphenol chlorogenic acid, are some of the most important bioactive organic compounds of these beverages, displaying high levels in both espresso and common brews and/or increased bioavailability after consumption. Thus, we performed a comprehensive literature overview of current knowledge on the effects of coffee beverages and their highly bioavailable compounds, describing: 1) recent epidemiological and experimental findings highlighting the beneficial effects against gastrointestinal/liver carcinogenesis, and 2) the main molecular mechanisms in these in vitro and in vivo bioassays. Findings predominantly address the protective effects of coffee beverages and their most common/bioavailable compounds individually on gastrointestinal and liver cancer development. Caffeine, trigonelline and chlorogenic acid modulate common molecular targets directly implicated in key cancer hallmarks, what could stimulate novel translational or population-based mechanistic investigations.
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Affiliation(s)
| | | | - Mathieu Vinken
- Department of In Vitro Toxicology and Dermato-Cosmetology, Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel, Brussels, Belgium
| | - Bruno Cogliati
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo (USP), São Paulo, Brazil
| | - Fernando Salvador Moreno
- Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo (USP), São Paulo, Brazil
| | - María Angel García Chaves
- Department of Oncology, Biosanitary Research Institute of Granada (ibs.GRANADA), University Hospitals of Granada-University of Granada, Granada, Spain
| | - Luis Fernando Barbisan
- Department of Morphology, Biosciences Institute, São Paulo State University (UNESP), Botucatu, Brazil.
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Abstract
Nonalcoholic fatty liver disease (NAFLD) is an increasingly dominant cause of liver disease worldwide. The progressive subtype, nonalcoholic steatohepatitis, is a leading indication for liver transplantation and a noteworthy cause of hepatocellular carcinoma. The overall prevalence of NAFLD is on the rise, and even more concerning data modeling predicts that an increasing percentage of those with NAFLD will develop advanced disease. This increased volume of patients with advanced liver disease will impose a significant health care burden in terms of resources and cost. Thus, the identification of patients with established fibrosis or at high risk of developing advanced liver disease is critical to effectively intervene and prevent overall and liver-related morbidity and mortality. Herein, we provide a framework to consider for the identification of patients with NAFLD at high risk of nonalcoholic steatohepatitis with advanced fibrosis and provide a critical assessment of currently accessible diagnostic and treatment modalities.
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Santos RD, Valenti L, Romeo S. Does nonalcoholic fatty liver disease cause cardiovascular disease? Current knowledge and gaps. Atherosclerosis 2019; 282:110-120. [PMID: 30731283 DOI: 10.1016/j.atherosclerosis.2019.01.029] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 12/22/2018] [Accepted: 01/18/2019] [Indexed: 12/15/2022]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is highly prevalent and includes a spectrum of abnormalities ranging from steatosis to cirrhosis. In this review, we address recent evidence and limitations of studies that evaluated the association of NAFLD with atherosclerotic cardiovascular disease. NAFLD is considered an ectopic fat deposit associated with metabolic (insulin resistance, hyperglycemia and dyslipidemia), inflammatory, coagulation and blood pressure disturbances. Prospective studies have associated NAFLD presence and severity, particularly steatohepatitis and fibrosis, with an increased risk of cardiovascular disease. However, these studies are limited by heterogeneity concerning NAFLD diagnostic criteria and disease severity stratification, as well as by the presence of confounding factors. In addition, genetic variants predisposing to NAFLD, such as the PNPLA3 I148M mutation, were not consistently associated with an increased risk of cardiovascular events. Therefore, currently, it is not possible to prove a causal relation between NAFLD and cardiovascular disease. Furthermore, there is presently no evidence that NAFLD diagnosis can be used as a tool to improve cardiovascular risk stratification and modify treatment. Specific treatments for NAFLD are being developed and must be tested prospectively in adequately designed trials to determine the potential of reducing both hepatic and cardiovascular diseases and to prove whether NAFLD is indeed a cause of atherosclerosis.
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Affiliation(s)
- Raul D Santos
- Hospital Israelita Albert Einstein, Sao Paulo, Brazil; Lipid Clinic Heart Institute (InCor) University of Sao Paulo Medical School Hospital, Sao Paulo, Brazil.
| | - Luca Valenti
- Università Degli Studi Milano, Fondazione IRCCS Ca' Granda Pad Granelli, Milan, Italy
| | - Stefano Romeo
- Department of Molecular and Clinical Medicine Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Clinical Nutrition Unit, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, Italy
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