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Choi J, Han I, Min J, Yun J, Kim BS, Shin K, Kim K, Kim YH. Dosis‐Wirkungs‐Beziehung zwischen Alkoholkonsum und Psoriasis: Systematische Übersicht und Metaanalyse. J Dtsch Dermatol Ges 2024; 22:641-653. [PMID: 38730521 DOI: 10.1111/ddg.15380_g] [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: 06/07/2023] [Accepted: 01/11/2024] [Indexed: 05/13/2024]
Abstract
The association between psoriasis and alcohol consumption has been inconsistent across various studies. However, to the best of our knowledge, no dose-response meta-analysis has been performed to date. This study aims to investigate the association between alcohol consumption and psoriasis. The search was performed on July 27, 2021, using Embase and MEDLINE. The restricted cubic spline analysis was used to perform a dose-response analysis. We identified 3,904 studies, of which 48 studies with 1,702,847 individuals across 24 countries were included. Alcohol consumption was positively associated with psoriasis (odds ratio [OR], 1.47; 95% confidence interval [CI], 1.27-1.70). In addition, a significantly increased OR for psoriasis was observed in males (OR, 1.84; 95% CI, 1.13-3.01) but not in females (OR, 1.22; 95% CI, 0.97-1.54). Based on eight studies, including three cohort and five case-control studies, the analysis revealed that with each additional gram of daily alcohol intake, the OR for psoriasis increased by 4%. We found a positive association between alcohol consumption and psoriasis. The association is more prominent in the group drinking more than 45 g of alcohol per day (3.2 alcoholic drink equivalent).
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Affiliation(s)
- Jeeyu Choi
- School of Dentistry, Pusan National University, Yangsan, Republic of Korea
| | - Ikjoon Han
- School of Dentistry, Pusan National University, Yangsan, Republic of Korea
| | - Joohong Min
- School of Dentistry, Pusan National University, Yangsan, Republic of Korea
| | - Jisang Yun
- Department of Dermatology, College of Medicine, Pusan National University, Busan, Republic of Korea
- Department of Dermatology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
| | - Byung-Soo Kim
- Department of Dermatology, College of Medicine, Pusan National University, Busan, Republic of Korea
| | - Kihyuk Shin
- Department of Dermatology, College of Medicine, Pusan National University, Busan, Republic of Korea
- Department of Dermatology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
| | - Kihun Kim
- Department of Biomedical Informatics, School of Medicine, Pusan National University, Yangsan, Republic of Korea
- Department of Anatomy, School of Medicine, Pusan National University, Yangsan, Republic of Korea
| | - Yun Hak Kim
- Department of Biomedical Informatics, School of Medicine, Pusan National University, Yangsan, Republic of Korea
- Department of Anatomy, School of Medicine, Pusan National University, Yangsan, Republic of Korea
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2
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Choi J, Han I, Min J, Yun J, Kim BS, Shin K, Kim K, Kim YH. Dose-response analysis between alcohol consumption and psoriasis: A systematic review and meta-analysis. J Dtsch Dermatol Ges 2024; 22:641-652. [PMID: 38679782 DOI: 10.1111/ddg.15380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 01/11/2024] [Indexed: 05/01/2024]
Abstract
The association between psoriasis and alcohol consumption has been inconsistent across various studies. However, to the best of our knowledge, no dose-response meta-analysis has been performed to date. This study aims to investigate the association between alcohol consumption and psoriasis. The search was performed on July 27, 2021, using Embase and MEDLINE. The restricted cubic spline analysis was used to perform a dose-response analysis. We identified 3,904 studies, of which 48 studies with 1,702,847 individuals across 24 countries were included. Alcohol consumption was positively associated with psoriasis (odds ratio [OR], 1.47; 95% confidence interval [CI], 1.27-1.70). In addition, a significantly increased OR for psoriasis was observed in males (OR, 1.84; 95% CI, 1.13-3.01) but not in females (OR, 1.22; 95% CI, 0.97-1.54). Based on eight studies, including three cohort and five case-control studies, the analysis revealed that with each additional gram of daily alcohol intake, the OR for psoriasis increased by 4%. We found a positive association between alcohol consumption and psoriasis. The association is more prominent in the group drinking more than 45 g of alcohol per day (3.2 alcoholic drink equivalent).
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Affiliation(s)
- Jeeyu Choi
- School of Dentistry, Pusan National University, Yangsan, Republic of Korea
| | - Ikjoon Han
- School of Dentistry, Pusan National University, Yangsan, Republic of Korea
| | - Joohong Min
- School of Dentistry, Pusan National University, Yangsan, Republic of Korea
| | - Jisang Yun
- Department of Dermatology, College of Medicine, Pusan National University, Busan, Republic of Korea
- Department of Dermatology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
| | - Byung-Soo Kim
- Department of Dermatology, College of Medicine, Pusan National University, Busan, Republic of Korea
| | - Kihyuk Shin
- Department of Dermatology, College of Medicine, Pusan National University, Busan, Republic of Korea
- Department of Dermatology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
| | - Kihun Kim
- Department of Biomedical Informatics, School of Medicine, Pusan National University, Yangsan, Republic of Korea
- Department of Anatomy, School of Medicine, Pusan National University, Yangsan, Republic of Korea
| | - Yun Hak Kim
- Department of Biomedical Informatics, School of Medicine, Pusan National University, Yangsan, Republic of Korea
- Department of Anatomy, School of Medicine, Pusan National University, Yangsan, Republic of Korea
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3
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Kondili LA, Lazarus JV, Jepsen P, Murray F, Schattenberg JM, Korenjak M, Craxì L, Buti M. Inequities in primary liver cancer in Europe: The state of play. J Hepatol 2024; 80:645-660. [PMID: 38237866 DOI: 10.1016/j.jhep.2023.12.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 12/01/2023] [Accepted: 12/11/2023] [Indexed: 02/12/2024]
Abstract
Given the increasing burden of liver cancer in Europe, it is crucial to investigate how social determinants of health (SDoH) affect liver cancer risk factors and access to care in order to improve health outcomes equitably. This paper summarises the available evidence on the differential distribution of liver cancer risk factors, incidence, and health outcomes in the European Economic Area and the United Kingdom from an SDoH perspective. Vulnerable and marginalised populations have low socio-economic and educational levels and are the most affected by liver cancer risk factors. Reasons for this include varied access to hepatitis B virus vaccination and limited access to viral hepatitis B and C screening, harm reduction, and treatment. Additionally, alcohol-related liver disease remains highly prevalent among individuals with low education, insecure employment, economic instability, migrants, and deprived populations. Moreover, significant variation exists across Europe in the proportion of adults with steatotic liver disease, overweight/obesity, and diabetes, based on geographical area, gender, socio-economic and educational background, and density of ultra-processed food outlets. Inequities in cirrhosis mortality rates have been reported, with the highest death rates among individuals living in socio-economically disadvantaged areas and those with lower educational levels. Furthermore, insufficient healthcare access for key populations with primary liver cancer is influenced by complex healthcare systems, stigmatisation, discrimination, low education, language barriers, and fear of disclosure. These challenges contribute to inequities in liver cancer care pathways. Future studies are needed to explore the different SDoH-interlinked effects on liver cancer incidence and outcomes in European countries. The ultimate goal is to develop evidence-based multilevel public health interventions that reduce the SDoH impact in precipitating and perpetuating the disproportionate burden of liver cancer in specific populations.
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Affiliation(s)
- Loreta A Kondili
- National Centre for Global Health, Istituto Superiore di Sanità, Rome, Italy, UniCamillus International Medical University, Rome, Italy
| | - Jeffrey V Lazarus
- CUNY Graduate School of Public Health and Health Policy (CUNY SPH), New York, NY, USA; Barcelona Institute for Global Health (ISGlobal), Hospital Clínic, University of Barcelona, Barcelona, Spain; Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain
| | - Peter Jepsen
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark
| | - Frank Murray
- Beaumont Private Clinic, Beaumont, Dublin 9, Ireland
| | - Jörn M Schattenberg
- Department of Internal Medicine II, Saarland University Medical Center, Homburg and Saarland University, Saarbrücken, Germany
| | | | - Lucia Craxì
- Department of Biomedicine, Neuroscience, and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Maria Buti
- Liver Unit, Hospital Universitario Vall d'Hebrón, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain.
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Awata WMC, Alves JV, Costa RM, Bruder-Nascimento A, Singh S, Barbosa GS, Tirapelli CR, Bruder-Nascimento T. Vascular injury associated with ethanol intake is driven by AT1 receptor and mitochondrial dysfunction. Biomed Pharmacother 2023; 169:115845. [PMID: 37951022 DOI: 10.1016/j.biopha.2023.115845] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Revised: 10/27/2023] [Accepted: 11/05/2023] [Indexed: 11/13/2023] Open
Abstract
BACKGROUND Renin-angiotensin (Ang II)-aldosterone system (RAAS) is crucial for the cardiovascular risk associated with excessive ethanol consumption. Disturbs in mitochondria have been implicated in multiple cardiovascular diseases. However, if mitochondria dysfunction contributes to ethanol-induced vascular dysfunction is still unknown. We investigated whether ethanol leads to vascular dysfunction via RAAS activation, mitochondria dysfunction, and mitochondrial reactive oxygen species (mtROS). METHODS Male C57/BL6J or mt-keima mice (6-8-weeks old) were treated with ethanol (20% vol./vol.) for 12 weeks with or without Losartan (10 mg/kg/day). RESULTS Ethanol induced aortic hypercontractility in an endothelium-dependent manner. PGC1α (a marker of biogenesis), Mfn2, (an essential protein for mitochondria fusion), as well as Pink-1 and Parkin (markers of mitophagy), were reduced in aortas from ethanol-treated mice. Disturb in mitophagy flux was further confirmed in arteries from mt-keima mice. Additionally, ethanol increased mtROS and reduced SOD2 expression. Strikingly, losartan prevented vascular hypercontractility, mitochondrial dysfunction, mtROS, and restored SOD2 expression. Both MnTMPyP (SOD2 mimetic) and CCCP (a mitochondrial uncoupler) reverted ethanol-induced vascular dysfunction. Moreover, L-NAME (NOS inhibitor) and EUK 134 (superoxide dismutase/catalase mimetic) did not affect vascular response in ethanol group, suggesting that ethanol reduces aortic nitric oxide (NO) and H2O2 bioavailability. These responses were prevented by losartan. CONCLUSION AT1 receptor modulates ethanol-induced vascular hypercontractility by promoting mitochondrial dysfunction, mtROS, and reduction of NO and H2O2 bioavailability. Our findings shed a new light in our understanding of ethanol-induced vascular toxicity and open perspectives of new therapeutic approaches for patients with disorder associated with abusive ethanol drinking.
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Affiliation(s)
- Wanessa M C Awata
- Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA, USA; Center for Pediatrics Research in Obesity and Metabolism (CPROM), University of Pittsburgh, Pittsburgh, PA, USA; Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | - Juliano V Alves
- Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA, USA; Center for Pediatrics Research in Obesity and Metabolism (CPROM), University of Pittsburgh, Pittsburgh, PA, USA; Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | - Rafael M Costa
- Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA, USA; Center for Pediatrics Research in Obesity and Metabolism (CPROM), University of Pittsburgh, Pittsburgh, PA, USA; Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | - Ariane Bruder-Nascimento
- Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA, USA; Center for Pediatrics Research in Obesity and Metabolism (CPROM), University of Pittsburgh, Pittsburgh, PA, USA
| | - Shubhnita Singh
- Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA, USA; Center for Pediatrics Research in Obesity and Metabolism (CPROM), University of Pittsburgh, Pittsburgh, PA, USA
| | - Gabriela S Barbosa
- Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA, USA; Center for Pediatrics Research in Obesity and Metabolism (CPROM), University of Pittsburgh, Pittsburgh, PA, USA; UNIPEX, Medical School, Sao Paulo State University (UNESP), Botucatu, Brazil
| | | | - Thiago Bruder-Nascimento
- Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA, USA; Center for Pediatrics Research in Obesity and Metabolism (CPROM), University of Pittsburgh, Pittsburgh, PA, USA; Endocrinology Division at UPMC Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, PA, USA; Vascular Medicine, Institute (VMI), University of Pittsburgh, Pittsburgh, PA, USA.
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Björnsson ES, Johannsson A, Sigurdarson SS, Hreinsson JP, Runarsdottir V. Development of severe alcohol related liver disease over four decades in Iceland: impact of increased access and use of alcohol. Scand J Gastroenterol 2023; 58:1523-1533. [PMID: 37551903 DOI: 10.1080/00365521.2023.2245939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 08/03/2023] [Indexed: 08/09/2023]
Abstract
OBJECTIVE Limited data exist on the association between per capita alcohol consumption and incidence of alcohol related liver disease (ARLD). The aims were to analyse this relationship and assess prevalence of ARLD in Iceland and among patients treated for alcohol use disorder (AUD) and its impact on outcomes. METHODS A retrospective study on all patients diagnosed with severe ARLD: alcohol related cirrhosis (ARC) and alcohol related hepatitis (ARH) in Iceland 1984-2020. Medical records were scrutinized for clinical features, severity of ARLD, proportion undergoing treatment for AUD, data on abstinence and long-term outcomes. RESULTS A total of 314 patients, males 76%, median age 56 years, fulfilled the predetermined criteria for ARLD. Median MELD was 17, 73% with Child-Pugh B/C and 70/314 (22%) who had ARH. Incidence of ARLD increased from 0.77 cases per 100 000 inhabitants annually 1984-2000 to 6.1 per 100 000 in 2016-2020. Per capita alcohol consumption increased from 4.3 Liters to 7.5 L in in the same time periods. Overall 220/314 (70%) with ARLD had undergone treatment for AUD. Of all individuals who had AUD treatment during the study period (n = 21.845), 1% were diagnosed with ARLD. Patients who underwent treatment for AUD after the ARLD diagnosis had better prognosis than those who had treatment prior to ARLD diagnosis (hazard ratio 2.5 [95% CI 1.3-5.0]). CONCLUSIONS The incidence of ARLD increased 8-fold during the study period coinciding with 74% increase in per capita alcohol consumption. Patients with prior diagnosis of AUD had worse prognosis that needs special attention.
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Affiliation(s)
- E S Björnsson
- Faculty of Medicine, University of Iceland, Reykjavik, Iceland
- Divison of Gastroenterology, Landspitali University Hospital, Reykjavik, Iceland
| | - A Johannsson
- Faculty of Medicine, University of Iceland, Reykjavik, Iceland
| | - S S Sigurdarson
- Faculty of Medicine, University of Iceland, Reykjavik, Iceland
| | - J P Hreinsson
- Department of Internal Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - V Runarsdottir
- National Center of Addiction Medicine, Vogur Hospital, Reykjavik, Iceland
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Rinella ME, Neuschwander-Tetri BA, Siddiqui MS, Abdelmalek MF, Caldwell S, Barb D, Kleiner DE, Loomba R. AASLD Practice Guidance on the clinical assessment and management of nonalcoholic fatty liver disease. Hepatology 2023; 77:1797-1835. [PMID: 36727674 PMCID: PMC10735173 DOI: 10.1097/hep.0000000000000323] [Citation(s) in RCA: 592] [Impact Index Per Article: 592.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 01/18/2023] [Indexed: 02/03/2023]
Affiliation(s)
- Mary E. Rinella
- University of Chicago Pritzker School of Medicine, Chicago, Illinois, USA
| | | | | | | | - Stephen Caldwell
- School of Medicine, University of Virginia, Charlottesville, Virginia, USA
| | - Diana Barb
- University of Florida College of Medicine, Gainesville, Florida, USA
| | | | - Rohit Loomba
- University of California, San Diego, San Diego, California, USA
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Chu K, Cadar D, Iob E, Frank P. Excess body weight and specific types of depressive symptoms: Is there a mediating role of systemic low-grade inflammation? Brain Behav Immun 2023; 108:233-244. [PMID: 36462595 PMCID: PMC10567582 DOI: 10.1016/j.bbi.2022.11.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 11/25/2022] [Accepted: 11/26/2022] [Indexed: 12/02/2022] Open
Abstract
OBJECTIVES Obesity is associated with an increased risk of depression. Systemic low-grade inflammation, a plausible consequence of obesity, has also been linked to depression. However, the potential mediating effects of systemic low-grade inflammation on the association between excess body weight and specific symptom domains of depression remain uncertain. This study examined whether systemic low-grade inflammation mediated the associations of excess body weight (overweight and obesity) with subsequent overall, cognitive-affective, and somatic depressive symptoms. DESIGN This study used a prospective cohort design. METHODS The final analytical sample included 4,942 adults aged ≥50 years drawn from the English Longitudinal Study of Ageing (ELSA). Body mass index (BMI) and covariates were ascertained at baseline (wave 4, 2008/09). Continuous BMI scores were divided into four categories: 'normal weight' (18.5 ≤ BMI <25 kg/m2); 'overweight' (25 ≤ BMI <30 kg/m2); 'obesity' (BMI ≥30 kg/m2); in addition to 'excess body weight' ('overweight' and 'obesity' combined). Covariates included sociodemographic variables, behavioural factors, and chronic physical conditions. Serum concentrations of CRP were measured at wave 6 (2012/13). Depressive symptoms were assessed at baseline and ten years later (wave 9, 2018/19), using the 8-item Centre for Epidemiological Studies Depression (CES-D) Scale. Two symptom domains were constructed, distinguishing between cognitive-affective (depressed mood, loneliness, sadness, enjoyment in life, and happiness) and somatic (sleep problems, low energy levels, and fatigue) symptoms. Mediation analyses were performed to examine whether CRP statistically mediated the associations between BMI categories and depressive symptoms. RESULTS In multivariable-adjusted analyses, excess body weight was associated with elevated somatic (OR = 1.231, 95% CI: 1.029, 1.473), but not cognitive-affective or overall depressive symptoms at follow-up. Higher CRP was associated with elevated somatic (OR = 1.156, 95% CI: 1.061, 1.259), but not cognitive-affective or overall depressive symptoms. CRP acted as a partial mediator (14.92%) of the association between excess body weight and elevated somatic, but not cognitive-affective, or overall depressive symptoms. CONCLUSION Systemic low-grade inflammation may partially explain the association of excess body weight with somatic depressive symptoms, but not the associations with cognitive-affective or overall depressive symptoms.
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Affiliation(s)
- Keqin Chu
- Department of Behavioural Science and Health, University College London, London, UK.
| | - Dorina Cadar
- Department of Behavioural Science and Health, University College London, London, UK; Brighton and Sussex Medical School, Brighton, East Sussex, UK.
| | - Eleonora Iob
- Social, Genetic & Developmental Psychiatry (SGDP) Centre, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK.
| | - Philipp Frank
- Department of Behavioural Science and Health, University College London, London, UK.
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Tran TPT, Han M, Luu NM, Oh JK. Alcoholic liver disease in relation to cancer incidence and mortality: Findings from a large, matched cohort study in South Korea. Cancer Med 2023; 12:8754-8766. [PMID: 36653955 PMCID: PMC10134281 DOI: 10.1002/cam4.5614] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 11/23/2022] [Accepted: 12/25/2022] [Indexed: 01/20/2023] Open
Abstract
AIM To estimate the risk of cancer incidence and mortality among patients with alcoholic liver disease in South Korea. METHODS A matched cohort study was conducted, including 1,042,185 men (alcoholic liver disease cases: 208,437; controls: 833,748) and 100,400 women (alcoholic liver disease cases: 20,080; controls: 80,320), matched for sex, age, smoking, alcohol consumption, and body mass index at a 1:4 ratio. The risk of cancer incidence and mortality in the alcoholic liver disease group was assessed using Cox proportional hazards regression models. RESULTS Both men and women with alcoholic liver disease had an elevated risk of all-cancer and liver cancer incidence and mortality in comparison with the control group. In men, alcoholic liver disease was associated with a significantly higher risk of development of 10 cancer types, including lip, oral cavity, and pharynx; esophagus; liver; gallbladder and biliary tract; pancreas; larynx; lung; kidney; thyroid gland; and leukemia. Subgroup analysis by hepatitis B and C infection showed increased hazard ratios of all cancer incidences and mortality in the alcoholic liver disease group, regardless of hepatitis B or C infection status. In both sexes, a higher number and more years of hospital or clinic visits for alcoholic liver disease were associated with an increased risk of incidence and mortality from all cancers and liver cancer. A more profound dose-response relationship between alcoholic liver disease and alcohol consumption was observed in women than in men. CONCLUSIONS Our findings emphasize the need for a clinical surveillance program and the early detection of cancer in patients with alcoholic liver disease.
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Affiliation(s)
- Thi Phuong Thao Tran
- Department of Cancer Control and Population Health, National Cancer Center Graduate School of Cancer Science and Policy, Goyang-si, South Korea.,Center for Population Health Sciences, Hanoi University of Public Health, Hanoi, Vietnam
| | - Minji Han
- Division of Cancer Prevention, National Cancer Center, Goyang, South Korea
| | - Ngoc Minh Luu
- Department of Cancer Control and Population Health, National Cancer Center Graduate School of Cancer Science and Policy, Goyang-si, South Korea.,Hanoi Medical University, Hanoi, Vietnam
| | - Jin-Kyoung Oh
- Department of Cancer Control and Population Health, National Cancer Center Graduate School of Cancer Science and Policy, Goyang-si, South Korea.,Division of Cancer Prevention, National Cancer Center, Goyang, South Korea
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Hernandez-Tejero M, Clemente-Sanchez A, Bataller R. Spectrum, Screening, and Diagnosis of Alcohol-related Liver Disease. J Clin Exp Hepatol 2023; 13:75-87. [PMID: 36647416 PMCID: PMC9840079 DOI: 10.1016/j.jceh.2022.10.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 10/02/2022] [Indexed: 11/06/2022] Open
Abstract
Alcohol-related liver disease (ALD) represents one of the leading causes of chronic liver disease and is a major cause of liver-related deaths worldwide. ALD encompasses a range of disorders including simple steatosis, alcoholic steatohepatitis, fibrosis, cirrhosis, and hepatocellular carcinoma. Patients with underlying ALD and continued heavy alcohol consumption can also develop an episode of acute-on-chronic liver injury called alcohol-associated hepatitis, the most severe form of the disease, which portends a poor prognosis. The most important risk factor for the development of ALD is the amount of alcohol consumed. Individual susceptibility to progression to advanced fibrosis among heavy drinkers is likely determined by a combination of behavioral, environmental, genetic, and epigenetic factors, but the mechanisms are largely unknown. The only effective therapy for ALD is prolonged alcohol abstinence. Diagnosis of ALD involves assessing patients for alcohol use disorder and signs of advanced liver disease. In clinical practice, the histological assessment for ALD diagnosis is uncommon, and it is usually based on the medical history, clinical manifestations, and laboratory and imaging tests. Several promising biomarkers that can have both diagnostic and prognostic value in patients with ALD have been identified in recent years. This review provides an overview of the clinical spectrum of ALD, the diagnostic approach of the disease from different perspectives as well as current diagnostic and prognostic biomarkers.
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Key Words
- AH, alcohol-associated hepatitis
- ALD, alcohol-related liver disease
- ASH, alcoholic steatohepatitis
- AST, aspartate aminotransferase
- AUD, alcohol use disorder
- AUDIT, Alcohol Use Disorders Identification Test
- CAGE, Cut down, Annoyed, Guilty, and Eye-opener
- DSM-5, Diagnostic and Statistical Manual of Mental Disorders Fifth edition
- GGT, gamma-glutamyl transferase
- HCC, hepatocellular carcinoma
- INR, international normalized ratio
- LSM, liver stiffness measurement
- NAFLD, non-alcoholic fatty liver disease
- PCF, pericellular fibrosis
- SFS, SALVE fibrosis stages
- SHG, SALVE Histopathology Group
- TE, transient elastography
- WHO, World Health Organization
- alcohol-associated hepatitis
- alcohol-related liver cirrhosis
- alcohol-related liver disease
- alcoholic steatohepatitis
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Affiliation(s)
- Maria Hernandez-Tejero
- Liver Unit, Hospital Clinic, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
- Center for Liver Diseases, Pittsburgh Liver Research Center, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, 200 Lothrop St, Pittsburgh, PA 15213, USA
| | - Ana Clemente-Sanchez
- Liver Unit, Digestive Department, Hospital General Universitario Gregorio Marañón, Complutense University of Madrid, CIBERehd, Madrid, Spain
- Center for Liver Diseases, Pittsburgh Liver Research Center, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, 200 Lothrop St, Pittsburgh, PA 15213, USA
| | - Ramon Bataller
- Liver Unit, Hospital Clinic, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
- Center for Liver Diseases, Pittsburgh Liver Research Center, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, 200 Lothrop St, Pittsburgh, PA 15213, USA
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Warner JB, Zirnheld KH, Hu H, Floyd A, Kong M, McClain CJ, Kirpich IA. Analysis of alcohol use, consumption of micronutrient and macronutrients, and liver health in the 2017-2018 National Health and Nutrition Examination Survey. Alcohol Clin Exp Res 2022; 46:2025-2040. [PMID: 36124871 PMCID: PMC9722540 DOI: 10.1111/acer.14944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 09/13/2022] [Accepted: 09/14/2022] [Indexed: 02/01/2023]
Abstract
BACKGROUND Alcohol use is a major global healthcare burden that contributes to numerous adverse health outcomes, including liver disease. Many factors influence individual susceptibility to alcohol-associated diseases, including nutritional factors. The objective of the current study was to examine inter-relations among alcohol, dietary micronutrients and macronutrient consumption, and liver health by analyzing data from the 2017-2018 National Health and Nutrition Examination Survey (NHANES). METHODS Based on self-reported alcohol consumption, NHANES respondents were assigned to one of four categories: never drinkers (lifetime abstainers), non-drinkers (past-year abstainers), moderate drinkers (1/2 drinks per day for females/males, respectively), and heavy drinkers (>1/>2 drinks per day for females/males, respectively, and/or frequent binge drinking). Survey-weighted regression analyses (adjusted for gender, age, race, education, and body mass index) were performed to examine associations between alcohol intake, dietary, and liver health characteristics. RESULTS Individuals categorized as heavy drinkers were significantly younger, most often well-educated males with low incidences of diabetes and other comorbidities. They consumed the most overall calories and various micronutrients, indicating a diet that was not necessarily nutrient poor. Neither moderate nor heavy drinkers had liver steatosis or fibrosis as measured by liver elastography, although heavy drinkers had modestly elevated plasma biomarkers of liver injury, including ALT, AST, and GGT, compared with the other groups. CONCLUSIONS Our findings suggest that the category of heavy drinkers in the 2017-2018 NHANES consisted of generally healthy individuals with high-energy intake and no evidence of liver steatosis or fibrosis. However, slightly increased plasma liver markers may indicate a risk of future progression to more advanced stages of liver disease over time in some individuals. Several limitations should be considered when interpreting these data, including the potential misclassification of drinking categories and the lack of standardized cutoff scores for fatty liver as assessed by elastography, among others.
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Affiliation(s)
- Jeffrey B. Warner
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, School of Medicine, University of Louisville, 505 South Hancock Street, Louisville KY, 40202, United States
- Department of Pharmacology and Toxicology, School of Medicine, University of Louisville, 505 South Hancock Street, Louisville KY, 40202, United States
| | - Kara H. Zirnheld
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, School of Medicine, University of Louisville, 505 South Hancock Street, Louisville KY, 40202, United States
| | - Huirong Hu
- Department of Bioinformatics and Biostatistics, School of Public Health and Information Sciences, University of Louisville, 485 East Gray Street, Louisville, KY 40202, United States
| | - Alison Floyd
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, School of Medicine, University of Louisville, 505 South Hancock Street, Louisville KY, 40202, United States
| | - Maiying Kong
- Department of Bioinformatics and Biostatistics, School of Public Health and Information Sciences, University of Louisville, 485 East Gray Street, Louisville, KY 40202, United States
- Robley Rex Veterans Affairs Medical Center, 800 Zorn Avenue, Louisville, KY 40206, United States
| | - Craig J. McClain
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, School of Medicine, University of Louisville, 505 South Hancock Street, Louisville KY, 40202, United States
- Department of Pharmacology and Toxicology, School of Medicine, University of Louisville, 505 South Hancock Street, Louisville KY, 40202, United States
- Alcohol Research Center, School of Medicine, University of Louisville, 505 South Hancock Street, Louisville KY, 40202, United States
- Hepatobiology and Toxicology Center, School of Medicine, University of Louisville, 505 South Hancock Street, Louisville KY, 40202, United States
- Robley Rex Veterans Affairs Medical Center, 800 Zorn Avenue, Louisville, KY 40206, United States
| | - Irina A. Kirpich
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, School of Medicine, University of Louisville, 505 South Hancock Street, Louisville KY, 40202, United States
- Department of Pharmacology and Toxicology, School of Medicine, University of Louisville, 505 South Hancock Street, Louisville KY, 40202, United States
- Alcohol Research Center, School of Medicine, University of Louisville, 505 South Hancock Street, Louisville KY, 40202, United States
- Hepatobiology and Toxicology Center, School of Medicine, University of Louisville, 505 South Hancock Street, Louisville KY, 40202, United States
- Department of Microbiology and Immunology, School of Medicine, University of Louisville, 505 South Hancock Street, Louisville KY, 40202, United States
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11
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A biologically based model to quantitatively assess the role of the nuclear receptors liver X (LXR), and pregnane X (PXR) on chemically induced hepatic steatosis. Toxicol Lett 2022; 359:46-54. [PMID: 35143881 PMCID: PMC9644840 DOI: 10.1016/j.toxlet.2022.02.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 01/24/2022] [Accepted: 02/03/2022] [Indexed: 11/21/2022]
Abstract
Hepatic steatosis is characterized by the intracellular increase of free fatty acids (FFAs) in the form of triglycerides in hepatocytes. This hepatic adverse outcome can be caused by many factors, including exposure to drugs or environmental toxicants. Mechanistically, accumulation of lipids in the liver can take place via several mechanisms such as de novo synthesis and/or uptake of FFAs from serum via high fat content diets. De novo synthesis of FFAs within the liver is mediated by the liver X receptor (LXR), and their uptake into the liver is mediated through the pregnane X receptor (PXR). We investigated the impact of chemical exposure on FFAs hepatic content via activation of LXR and PXR by integrating chemical-specific physiologically based pharmacokinetic (PBPK) models with a quantitative toxicology systems (QTS) model of hepatic lipid homeostasis. Three known agonists of LXR and/or PXR were modeled: T0901317 (antagonist for both receptors), GW3965 (LXR only), and Rifampicin (PXR only). Model predictions showed that T0901317 caused the most FFAs build-up in the liver, followed by Rifampicin and then GW3965. These modeling results highlight the importance of PXR activation for serum FFAs uptake into the liver while suggesting that increased hepatic FAAs de novo synthesis alone may not be enough to cause appreciable accumulation of lipids in the liver under normal environmental exposure levels. Moreover, the overall PBPK-hepatic lipids quantitative model can be used to screen chemicals for their potential to cause in vivo hepatic lipid content buildup in view of their in vitro potential to activate the nuclear receptors and their exposure levels.
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12
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Zelber-Sagi S, Noureddin M, Shibolet O. Lifestyle and Hepatocellular Carcinoma What Is the Evidence and Prevention Recommendations. Cancers (Basel) 2021; 14:cancers14010103. [PMID: 35008267 PMCID: PMC8750465 DOI: 10.3390/cancers14010103] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/20/2021] [Accepted: 12/22/2021] [Indexed: 12/13/2022] Open
Abstract
Simple Summary The increasing public health burden of Hepatocellular carcinoma (HCC) emphasizes the importance of defining important modifiable risk factors. In the following review, we will discuss the evidence for the relation of major lifestyle risk factors, mostly from large population-based studies. Generally, it is has been shown that healthy lifestyle habits, including minimizing obesity, eating a healthy diet, avoidance of smoking and alcohol, and increasing physical activity, have the potential to prevent HCC. Dietary composition is important beyond obesity. Consumption of n-3 polyunsaturated fatty acids, as well as fish and poultry, vegetables and fiber, are inversely associated with HCC, while red meat, saturated fat, cholesterol and sugar are related to increased risk. Data from multiple studies clearly show a beneficial effect for physical activity in reducing the risk of HCC. Smoking and alcohol can lead to liver fibrosis and liver cancer and jointly lead to an even greater risk. Abstract The increasing burden of hepatocellular carcinoma (HCC) emphasizes the unmet need for primary prevention. Lifestyle measures appear to be important modifiable risk factors for HCC regardless of its etiology. Lifestyle patterns, as a whole and each component separately, are related to HCC risk. Dietary composition is important beyond obesity. Consumption of n-3 polyunsaturated fatty acids, as well as fish and poultry, are inversely associated with HCC, while red meat, saturated fat, and cholesterol are related to increased risk. Sugar consumption is associated with HCC risk, while fiber and vegetable intake is protective. Data from multiple studies clearly show a beneficial effect for physical activity in reducing the risk of HCC. However, the duration, mode and intensity of physical activity needed are yet to be determined. There is evidence that smoking can lead to liver fibrosis and liver cancer and has a synergistic effect with alcohol drinking. On the other hand, an excessive amount of alcohol by itself has been associated with increased risk of HCC directly (carcinogenic effect) or indirectly (liver fibrosis and cirrhosis progression. Large-scale intervention studies testing the effect of comprehensive lifestyle interventions on HCC prevention among diverse cohorts of liver disease patients are greatly warranted.
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Affiliation(s)
- Shira Zelber-Sagi
- School of Public Health, Faculty of Social Welfare and Health Sciences, University of Haifa, Haifa 3498838, Israel
- Department of Gastroenterology & Hepatology, Tel Aviv Medical Center, Tel Aviv 6423906, Israel;
- Correspondence: ; Tel.: +972-54-4634440; Fax: +972-3-5446086
| | - Mazen Noureddin
- Karsh Division of Gastroenterology and Hepatology, Cedars Sinai Medical Center, Los Angeles, CA 90048, USA;
| | - Oren Shibolet
- Department of Gastroenterology & Hepatology, Tel Aviv Medical Center, Tel Aviv 6423906, Israel;
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6697801, Israel
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13
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Antioxidative and Anti-Inflammatory Effects of Lactobacillus plantarum ZS62 on Alcohol-Induced Subacute Hepatic Damage. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:7337988. [PMID: 34912498 PMCID: PMC8668337 DOI: 10.1155/2021/7337988] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 11/24/2021] [Indexed: 02/07/2023]
Abstract
Lactobacillus plantarum ZS62 is a newly isolated strain from naturally fermented yogurt that might offer some beneficial effects in the setting of alcohol-induced subacute liver injury. The liver-protective effect of L. plantarum ZS62 was investigated by gavage feeding of mice with this Lactobacillus strain (1 × 109 CFU/kg BW) before alcohol administration daily for 7 days. We then compared hepatic morphology, liver function indexes, liver lipid levels, inflammation, oxidative stress levels, and mRNA expression of oxidative metabolism- and inflammation-related genes in mice that had been pretreated with Lactobacillus plantarum versus control mice that had not been pretreated. Our results showed that L. plantarum ZS62 attenuated alcohol-induced weight loss; prevented morphological changes in hepatocytes; reduced markers of liver damage including aspartate aminotransaminase (AST), alanine aminotransaminase (ALT), hyaluronidase (HAase), precollagen III (PC III), and inflammatory cytokines; and enhanced the antioxidative status. L. plantarum ZS62 also significantly downregulated inflammation-related genes and upregulated lipid- and oxidative-metabolism genes. Thus, Lactobacillus plantarum pretreatment appears to confer hepatic protection by reducing inflammation and enhancing antioxidative capacity. The protective effect of L. plantarum ZS62 was even better than that of a commonly used commercial lactic acid bacteria (Lactobacillus delbrueckii subsp. Bulgaricus). The L. plantarum ZS62 might be a potentially beneficial prophylactic treatment for people who frequently drink alcoholic beverages.
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14
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Suri A, Singh N, Bansal SK. A Study on the Serum γ-Glutamyltranspeptidase and Plasma Osteopontin in Alcoholic Liver Disease. J Lab Physicians 2021; 14:101-108. [PMID: 36032990 PMCID: PMC9417738 DOI: 10.1055/s-0041-1729479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Background
Alcoholic liver disease (ALD) is a major source of alcohol-related morbidity and mortality. Heavy drinkers and alcoholics may progress from fatty liver to alcoholic hepatitis to cirrhosis. The enzyme γ-glutamyltranspeptidase (GGT) is a membrane-bound glycoprotein which catalyzes the transfer of the γ-glutamyl group from γ-glutamyl peptides to other peptides, amino acids, and water. Serum GGT activity mainly attributed to hepatobiliary system and thus is an important marker of ALD. Hence the present study is conducted to estimate and correlate the levels of GGT and osteopontin (OPN) in ALD.
Aims and Objectives
The objective of this study is to estimate and correlate the levels of GGT and OPN in ALD.
Materials and Methods
Sixty clinically diagnosed cases of ALD and sixty age- and gender-matched healthy controls were recruited for the study. Blood samples were collected from them and serum aspartate aminotransferase, serum alanine transaminases (ALTs), serum ALP levels, and plasma OPN levels were measured. Estimation of serum aspartate transaminases (AST), ALTs, and alkaline phosphatase (ALP) was assayed by standard photometric methods in autoanalyzer ERBA-XL (EM-200) using commercially available kits. OPN was estimated by using commercial kit based on enzyme-linked immunosorbent assay.
Results
The parameters of the liver function tests such as AST, ALT, and ALP were significantly increased in patients with ALD (
p
< 0.001) when compared with the healthy control subjects. In the present study, significantly increased levels of γ-glutamyl transferases and OPN were found in patients with ALD (
p
< 0.001) when compared with the control subjects. OPN showed significant positive correlations with AST (
r
= 0.76,
p
< 0.001), ALT (
r
= 0.64,
p
< 0.001), ALP (
r
= 0.68,
p
< 0.001), and GGT (
r
= 0.61,
p
< 0.001).
Conclusion
The present study focuses on the role of GGT and OPN that are sensitive indicators of liver cell injury and are most helpful in recognizing hepatocellular diseases such as ALD, hepatitis, and liver cirrhosis. Hence, the pattern of the GGT and OPN levels elevation can be helpful diagnostically.
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Affiliation(s)
- Arpita Suri
- Department of Biochemistry, Faculty of Medicine and Health Sciences, SGT University, Gurugram, Haryana, India
| | - Naveen Singh
- Department of Biochemistry, Faculty of Medicine and Health Sciences, SGT University, Gurugram, Haryana, India
| | - Sanjiv Kumar Bansal
- Department of Biochemistry, Faculty of Medicine and Health Sciences, SGT University, Gurugram, Haryana, India
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15
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Zhong X, Cui P, Jiang J, Ning C, Liang B, Zhou J, Tian L, Zhang Y, Lei T, Zuo T, Ye L, Huang J, Chen H. Streptococcus, the Predominant Bacterium to Predict the Severity of Liver Injury in Alcoholic Liver Disease. Front Cell Infect Microbiol 2021; 11:649060. [PMID: 33816353 PMCID: PMC8010180 DOI: 10.3389/fcimb.2021.649060] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Accepted: 03/01/2021] [Indexed: 12/20/2022] Open
Abstract
Background New evidence implies that the imbalance of gut microbiota is associated with the progression of alcoholic liver disease (ALD) and that the composition of gut microbiota is altered in ALD patients. However, the predominant bacterium in patients involved in the progress of ALD has not been identified. The purpose of this study is to investigate the predominant bacterium in the early and end-stages of ALD as well as the relationship between the bacterium and the degree of liver injury. Methods We enrolled 21 alcoholic fatty liver (AFL) patients, 17 alcoholic liver cirrhosis (ALC) patients and 27 healthy controls, and sequenced the 16S rRNA gene of their fecal microbiota. The gut microbiota composition and its relationship with the indicators of clinical hepatic function were assessed using canonical correspondence analysis (CCA), spearman correlation heatmap and multivariate association with linear (MaAsLin) Models. Results The composition and structure of gut microbiota changed greatly in different stages of ALD, and the degree of disorder was aggravated with the progression of ALD, even in the early stage. Moreover, the relative abundance of Streptococcus was highly enriched only in patients with ALC (P <0.001), and positively correlated with AST level (P = 0.029). The abundance of Streptococcus distinguished the liver injury of ALC patients from the controls with an area under the receiver-operating characteristic curve (AUC) of 0.877 (P < 0.001). Conclusions These findings indicate that the imbalance of gut microbiota exists at the early and end-stages of ALD, and the degree of disorder is aggravated with the progression of ALD. Streptococcus, as the predominant bacterium, may be a microbiological marker to evaluate the severity of liver injury in ALD patients.
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Affiliation(s)
- Xiaodan Zhong
- Geriatrics Digestion Department of Internal Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China.,Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, China
| | - Ping Cui
- Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, China.,Life Science Institute, Guangxi Medical University, Nanning, China
| | - Junjun Jiang
- Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, China
| | - Chuanyi Ning
- Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, China.,Nursing College, Guangxi Medical University, Nanning, China
| | - Bingyu Liang
- Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, China
| | - Jie Zhou
- Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, China
| | - Li Tian
- Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, China
| | - Yu Zhang
- Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, China
| | - Ting Lei
- Geriatrics Digestion Department of Internal Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China.,Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, China
| | - Taiping Zuo
- Geriatrics Digestion Department of Internal Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China.,Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, China
| | - Li Ye
- Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, China.,Life Science Institute, Guangxi Medical University, Nanning, China
| | - Jiegang Huang
- Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, China
| | - Hui Chen
- Geriatrics Digestion Department of Internal Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China.,Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, China
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16
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Kim YS, Kim SG. Endoplasmic reticulum stress and autophagy dysregulation in alcoholic and non-alcoholic liver diseases. Clin Mol Hepatol 2020; 26:715-727. [PMID: 32951410 PMCID: PMC7641579 DOI: 10.3350/cmh.2020.0173] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 08/31/2020] [Indexed: 12/15/2022] Open
Abstract
Alcoholic and non-alcoholic liver diseases begin from an imbalance in lipid metabolism in hepatocytes as the earliest response. Both liver diseases share common disease features and stages (i.e., steatosis, hepatitis, cirrhosis, and hepatocellular carcinoma). However, the two diseases have differential pathogenesis and clinical symptoms. Studies have elucidated the molecular basis underlying similarities and differences in the pathogenesis of the diseases; the factors contributing to the progression of liver diseases include depletion of sulfhydryl pools, enhanced levels of reactive oxygen and nitrogen intermediates, increased sensitivity of hepatocytes to toxic cytokines, mitochondrial dysfunction, and insulin resistance. Endoplasmic reticulum (ER) stress, which is caused by the accumulation of misfolded proteins and calcium depletion, contributes to the pathogenesis, often causing catastrophic cell death. Several studies have demonstrated a mechanism by which ER stress triggers liver disease progression. Autophagy is an evolutionarily conserved process that regulates organelle turnover and cellular energy balance through decomposing damaged organelles including mitochondria, misfolded proteins, and lipid droplets. Autophagy dysregulation also exacerbates liver diseases. Thus, autophagy-related molecules can be potential therapeutic targets for liver diseases. Since ER stress and autophagy are closely linked to each other, an understanding of the molecules, gene clusters, and networks engaged in these processes would be of help to find new remedies for alcoholic and non-alcoholic liver diseases. In this review, we summarize the recent findings and perspectives in the context of the molecular pathogenesis of the liver diseases.
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Affiliation(s)
- Yun Seok Kim
- College of Pharmacy, Seoul National University, Seoul, Korea
| | - Sang Geon Kim
- College of Pharmacy, Seoul National University, Seoul, Korea.,College of Pharmacy, Dongguk University, Goyang, Korea
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17
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Simonetto DA, Shah VH, Kamath PS. Outpatient management of alcohol-related liver disease. Lancet Gastroenterol Hepatol 2020; 5:485-493. [PMID: 32277901 DOI: 10.1016/s2468-1253(19)30415-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 11/26/2019] [Accepted: 11/28/2019] [Indexed: 12/20/2022]
Abstract
Alcohol-related liver disease has become the leading indication for liver transplantation in the USA, partly due to an increase in the prevalence of high-risk drinking behaviour and alcohol use disorder, particularly among young women. Achieving sustained alcohol abstinence might not only prevent the development and progression of alcohol-related liver disease, but could also lead to clinically significant improvements, even in the advanced stages of disease. In this Series paper, we discuss the diagnosis and outpatient management of alcohol-related liver disease, with an emphasis on treatment options for alcohol use disorder and the assessment of nutritional status.
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Affiliation(s)
- Douglas A Simonetto
- Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine and Science Rochester, MN, USA
| | - Vijay H Shah
- Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine and Science Rochester, MN, USA
| | - Patrick S Kamath
- Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine and Science Rochester, MN, USA.
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18
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Velarde-Ruiz Velasco JA, Higuera-de la Tijera MF, Castro-Narro GE, Zamarripa-Dorsey F, Abdo-Francis JM, Aiza Haddad I, Aldana Ledesma JM, Bielsa-Fernández MV, Cerda-Reyes E, Cisneros-Garza LE, Contreras-Omaña R, Reyes-Dorantes A, Fernández-Pérez NJ, García-Jiménez ES, Icaza-Chávez ME, Kershenobich-Stalnikowitz D, Lira-Pedrín MA, Moreno-Alcántar R, Pérez-Hernández JL, Ramos-Gómez MV, Rizo-Robles MT, Solana-Sentíes S, Torre-Delgadillo A. The Mexican consensus on alcoholic hepatitis. REVISTA DE GASTROENTEROLOGIA DE MEXICO (ENGLISH) 2020; 85:332-353. [PMID: 32532534 DOI: 10.1016/j.rgmx.2020.04.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 04/07/2020] [Indexed: 06/11/2023]
Abstract
Alcoholic hepatitis is a frequent condition in the Mexican population. It is characterized by acute-on-chronic liver failure, important systemic inflammatory response, and multiple organ failure. The severe variant of the disease implies elevated mortality. Therefore, the Asociación Mexicana de Gastroenterología and the Asociación Mexicana de Hepatología brought together a multidisciplinary team of health professionals to formulate the first Mexican consensus on alcoholic hepatitis, carried out utilizing the Delphi method and resulting in 37 recommendations. Alcohol-related liver disease covers a broad spectrum of pathologies that includes steatosis, steatohepatitis, different grades of fibrosis, and cirrhosis and its complications. Severe alcoholic hepatitis is defined by a modified Maddrey's discriminant function score ≥ 32 or by a Model for End-Stage Liver Disease (MELD) score equal to or above 21. There is currently no specific biomarker for its diagnosis. Leukocytosis with neutrophilia, hyperbilirubinemia (> 3 mg/dL), AST > 50 U/l (< 400 U/l), and an AST/ALT ratio > 1.5-2 can guide the diagnosis. Abstinence from alcohol, together with nutritional support, is the cornerstone of treatment. Steroids are indicated for severe disease and have been effective in reducing the 28-day mortality rate. At present, liver transplantation is the only life-saving option for patients that are nonresponders to steroids. Certain drugs, such as N-acetylcysteine, granulocyte-colony stimulating factor, and metadoxine, can be adjuvant therapies with a positive impact on patient survival.
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Affiliation(s)
- J A Velarde-Ruiz Velasco
- Servicio de Gastroenterología; Hospital Civil de Guadalajara Fray Antonio Alcalde, Guadalajara, Jalisco, México.
| | - M F Higuera-de la Tijera
- Servicio de Gastroenterología, Hospital General de México Dr. Eduardo Liceaga, Ciudad de México, México
| | - G E Castro-Narro
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Ciudad de México, México
| | | | | | - I Aiza Haddad
- Clínica de Enfermedades Hepáticas, Hospital Ángeles Lomas, Estado de México, México
| | - J M Aldana Ledesma
- Servicio de Gastroenterología; Hospital Civil de Guadalajara Fray Antonio Alcalde, Guadalajara, Jalisco, México
| | | | | | | | - R Contreras-Omaña
- Centro de Investigación en Enfermedades Hepáticas y Gastroenterología, Pachuca, Hidalgo, México
| | | | | | - E S García-Jiménez
- Servicio de Gastroenterología; Hospital Civil de Guadalajara Fray Antonio Alcalde, Guadalajara, Jalisco, México
| | | | | | - M A Lira-Pedrín
- Servicio de Medicina Interna y Gastroenterología. Hospital y Centro Médico del Prado, Tijuana, Baja California, México
| | - R Moreno-Alcántar
- Unidad Médica de Alta Especialidad, Hospital de Especialidades CMN SXXI, Ciudad de México, México
| | - J L Pérez-Hernández
- Servicio de Gastroenterología, Hospital General de México Dr. Eduardo Liceaga, Ciudad de México, México; Hospital Central Sur de Alta Especialidad Petróleos Mexicanos, Ciudad de México, México
| | - M V Ramos-Gómez
- Centro Médico Nacional 20 de Noviembre, Ciudad de México, México
| | - M T Rizo-Robles
- Unidad Médica de Alta Especialidad, Hospital de Especialidades CMN SXXI, Ciudad de México, México
| | | | - A Torre-Delgadillo
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Ciudad de México, México
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19
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Smirnova E, Puri P, Muthiah MD, Daitya K, Brown R, Chalasani N, Liangpunsakul S, Shah VH, Gelow K, Siddiqui MS, Boyett S, Mirshahi F, Sikaroodi M, Gillevet P, Sanyal AJ. Fecal Microbiome Distinguishes Alcohol Consumption From Alcoholic Hepatitis But Does Not Discriminate Disease Severity. Hepatology 2020; 72:271-286. [PMID: 32056227 PMCID: PMC7752764 DOI: 10.1002/hep.31178] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 01/23/2020] [Accepted: 01/26/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIMS The role of the intestinal microbiome in alcoholic hepatitis is not established. The aims of this study were to (1) characterize the fecal microbial ecology associated with alcoholic hepatitis, (2) relate microbiome changes to disease severity, and (3) infer the functional relevance of shifts in microbial ecology. APPROACH AND RESULTS The fecal microbiome in patients with moderate alcoholic hepatitis (MAH) or severe alcoholic hepatitis (SAH) was compared with healthy controls (HCs) and heavy drinking controls (HDCs). Microbial taxa were identified by 16S pyrosequencing. Functional metagenomics was performed using PICRUSt. Fecal short chain fatty acids (SCFAs) were measured using a liquid chromatography-mass spectrometry platform. A total of 78 participants (HC, n = 24; HDC, n = 20; MAH, n = 10; SAH, n = 24) were studied. HDC had a distinct signature compared with HC with depletion of Bacteroidetes (46% vs. 26%; P = 0.01). Alcoholic hepatitis was associated with a distinct microbiome signature compared with HDC (area under the curve = 0.826); differential abundance of Ruminococcaceae, Veillonellaceae, Lachnospiraceae, Porphyromonadaceae, and Rikenellaceae families were the key contributors to these differences. The beta diversity was significantly different among the groups (permutational multivariate analysis of variance [PERMANOVA] P < 0.001). SAH was associated with increased Proteobacteria (SAH 14% vs. HDC 7% and SAH vs. HC 2%, P = 0.20 and 0.01, respectively). Firmicutes abundance declined from HDC to MAH to SAH (63% vs. 53% vs. 48%, respectively; P = 0.09, HDC vs. SAH). Microbial taxa did not distinguish between MAH and SAH (PERMANOVA P = 0.785). SCFAs producing bacteria (Lachnospiraceae and Ruminococcaceae) were decreased in alcoholic hepatitis, and a similar decrease was observed in fecal SCFAs among alcoholic hepatitis patients. CONCLUSIONS There are distinct changes in fecal microbiome associated with the development, but not severity, of alcoholic hepatitis.
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Affiliation(s)
- Ekaterina Smirnova
- Department of Biostatistics, Virginia Commonwealth University, Richmond, VA
| | - Puneet Puri
- Div. of Gastroenterology, Hepatology and Nutrition, Dept. of Internal Medicine, Virginia Commonwealth University, Richmond, VA
| | - Mark D. Muthiah
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore,Division of Gastroenterology and Hepatology, National University Hospital, Singapore
| | - Kalyani Daitya
- Div. of Gastroenterology, Hepatology and Nutrition, Dept. of Internal Medicine, Virginia Commonwealth University, Richmond, VA
| | - Robert Brown
- Dept. of Microbiology, George Mason University, VA
| | - Naga Chalasani
- Div. of Gastroenterology, Dept. of Internal Medicine, Indiana University, Indianapolis
| | - Suthat Liangpunsakul
- Div. of Gastroenterology, Dept. of Internal Medicine, Indiana University, Indianapolis
| | - Vijay H. Shah
- Div. of Gastroenterology, Dept. of Internal Medicine, Mayo Clinic, Rochester, MN
| | - Kayla Gelow
- Dept. of Biostatistics, Indiana University, Indianapolis, Indiana
| | - Mohammed S. Siddiqui
- Div. of Gastroenterology, Hepatology and Nutrition, Dept. of Internal Medicine, Virginia Commonwealth University, Richmond, VA
| | - Sherry Boyett
- Div. of Gastroenterology, Hepatology and Nutrition, Dept. of Internal Medicine, Virginia Commonwealth University, Richmond, VA
| | - Faridoddin Mirshahi
- Div. of Gastroenterology, Hepatology and Nutrition, Dept. of Internal Medicine, Virginia Commonwealth University, Richmond, VA
| | | | | | - Arun J. Sanyal
- Div. of Gastroenterology, Hepatology and Nutrition, Dept. of Internal Medicine, Virginia Commonwealth University, Richmond, VA
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Velarde-Ruiz Velasco J, Higuera-de la Tijera M, Castro-Narro G, Zamarripa-Dorsey F, Abdo-Francis J, Haddad IA, Aldana Ledesma J, Bielsa-Fernández M, Cerda-Reyes E, Cisneros-Garza L, Contreras-Omaña R, Reyes-Dorantes A, Fernández-Pérez N, García-Jiménez E, Icaza-Chávez M, Kershenobich-Stalnikowitz D, Lira-Pedrín M, Moreno-Alcántar R, Pérez-Hernández J, Ramos-Gómez M, Rizo-Robles M, Solana-Sentíes S, Torre-Delgadillo A. The Mexican consensus on alcoholic hepatitis. REVISTA DE GASTROENTEROLOGÍA DE MÉXICO (ENGLISH EDITION) 2020. [DOI: 10.1016/j.rgmxen.2020.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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21
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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: 65] [Impact Index Per Article: 16.3] [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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Abstract
PURPOSE OF REVIEW This review will describe the natural history of alcohol-related liver disease (ArLD) in light of recent data that have synthesized existing knowledge on this topic and described new research cohorts to improve our understanding of progression and outcomes in ArLD. RECENT FINDINGS ArLD occurs after a threshold of alcohol consumption, but this threshold is lowered by the presence of comorbid factors of which obesity is the most common. The most common stage of ArLD is alcohol-related steatosis: this is associated with a low rate of progression to cirrhosis (3%/year) and nonliver-related morbidity is more likely (4 versus 1%/year). In contrast, alcohol-related steatohepatitis or cirrhosis is more dangerous with higher rates of both nonliver and liver-related mortality. Hepatocellular carcinoma occurs at approximately 3%/year amongst people with ArLD cirrhosis. SUMMARY These data allow an understanding of ArLD to accurately counsel patients and also to guide public health policies. Awareness of the shortcomings of the available data, highlighted in a recent systematic review, will inform the design of further research in particular to describe the multiple interacting factors that may cause ArLD to regress or progress.
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Panyod S, Sheen LY. Beneficial effects of Chinese herbs in the treatment of fatty liver diseases. J Tradit Complement Med 2020; 10:260-267. [PMID: 32670821 PMCID: PMC7340877 DOI: 10.1016/j.jtcme.2020.02.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Revised: 02/25/2020] [Accepted: 02/26/2020] [Indexed: 02/07/2023] Open
Abstract
Eating habits and lifestyle directly impact general health. Consumption of fat- and sugar-rich foods and alcohol increase the risk of developing fatty liver disease. The prevalence of fatty liver disease is markedly critical, and its pathogenesis and progression are complicated. Chinese herbal medicine has been used to treat and prevent human diseases through-out history, and is a rich source of biologically active substances with unique curative properties. More recently, Chinese herbs and their extracts have been identified as a novel source of potential therapeutic agents in the prevention and treatment of fatty liver disease. Beneficial effects of these herbal medicines mean that they can be classified as novel candidates for the treatment and prevention of both alcoholic fatty liver disease (AFLD) and non-alcoholic fatty liver disease (NAFLD), in place of conventional allopathic treatments. In this review, we explore the current literature related to herbal medicines used for the treatment of or protection against fatty liver diseases and describe their mechanisms of action.
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Affiliation(s)
- Suraphan Panyod
- Institute of Food Science and Technology, National Taiwan University, Taipei, Taiwan
| | - Lee-Yan Sheen
- Institute of Food Science and Technology, National Taiwan University, Taipei, Taiwan.,Center for Food and Biomolecules, National Taiwan University, Taipei, Taiwan.,National Center for Food Safety Education and Research, National Taiwan University, Taipei, Taiwan
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Sloan ME, Gowin JL, Janakiraman R, Ester CD, Stoddard J, Stangl B, Ramchandani VA. High-risk social drinkers and heavy drinkers display similar rates of alcohol consumption. Addict Biol 2020; 25:e12734. [PMID: 30821409 PMCID: PMC6717699 DOI: 10.1111/adb.12734] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Revised: 12/20/2018] [Accepted: 01/24/2019] [Indexed: 12/31/2022]
Abstract
Alcohol consumption is often assessed over weeks to months, but few attempts have been made to characterize alcohol consumption rates at the level of an individual drinking session. Here, we aimed to compare the rate of alcohol consumption in social drinkers at high risk for alcohol use disorder (AUD) and heavy drinkers. One hundred and sixty social drinkers and 48 heavy drinkers participated in an alcohol self-administration study. Social drinkers were classified as low risk or high risk for AUD based on sex, impulsivity, and family history of alcoholism. Participants received a priming dose of intravenous alcohol to assess alcohol-induced craving and completed a 125-minute intravenous alcohol self-administration session to assess rate of achieving a binge-level exposure (blood alcohol concentration greater than or equal to 80 mg%). There were no differences between rates of binging in high-risk and heavy drinkers (hazard ratio = 0.87; 95% CI, 0.48-1.56). Heavy drinkers reported higher levels of craving than high-risk and low-risk drinkers at baseline. However, following a priming dose of alcohol, there were no longer differences in craving between high-risk and heavy drinkers. These results indicate that high-risk social drinkers demonstrate binging behavior that is similar to heavy drinkers, which may be driven by alcohol-induced craving. Prospective studies are needed to elucidate whether these patterns of craving and consumption in high-risk social drinkers are predictive of future AUD.
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Affiliation(s)
- Matthew E Sloan
- Section on Human Psychopharmacology, National Institute on Alcohol Abuse and Alcoholism, Bethesda, Maryland, USA
| | - Joshua L Gowin
- Section on Human Psychopharmacology, National Institute on Alcohol Abuse and Alcoholism, Bethesda, Maryland, USA
| | - Roshni Janakiraman
- Office of the Clinical Director, National Institute on Alcohol Abuse and Alcoholism, Bethesda, Maryland, USA
| | - Corbin D Ester
- Section on Human Psychopharmacology, National Institute on Alcohol Abuse and Alcoholism, Bethesda, Maryland, USA
| | - Joel Stoddard
- Department of Psychiatry, School of Medicine, University of Colorado, Denver, Colorado, USA
| | - Bethany Stangl
- Section on Human Psychopharmacology, National Institute on Alcohol Abuse and Alcoholism, Bethesda, Maryland, USA
| | - Vijay A Ramchandani
- Section on Human Psychopharmacology, National Institute on Alcohol Abuse and Alcoholism, Bethesda, Maryland, USA
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25
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Gala KS, Vatsalya V. Emerging Noninvasive Biomarkers, and Medical Management Strategies for Alcoholic Hepatitis: Present Understanding and Scope. Cells 2020; 9:E524. [PMID: 32106390 PMCID: PMC7140524 DOI: 10.3390/cells9030524] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Revised: 02/16/2020] [Accepted: 02/19/2020] [Indexed: 12/12/2022] Open
Abstract
Alcohol use disorder is associated with a wide array of hepatic pathologies ranging from steatosis to alcoholic-related cirrhosis (AC), alcoholic hepatitis (AH), or hepatocellular carcinoma (HCC). Biomarkers are categorized into two main categories: biomarkers associated with alcohol consumption and biomarkers of alcoholic liver disease (ALD). No ideal biomarker has been identified to quantify the degree of hepatocyte death or severity of AH, even though numerous biomarkers have been associated with AH. This review provides information of some of the novel and latest biomarkers that are being investigated and have shown a substantial association with the degree and severity of liver injury and inflammation. Importantly, they can be measured noninvasively. In this manuscript, we consolidate the present understanding and prospects of these biomarkers; and their application in assessing the severity and progression of the alcoholic liver disease (ALD). We also review current and upcoming management options for AH.
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Affiliation(s)
- Khushboo S. Gala
- Division of Internal Medicine, University of Louisville, Louisville, KY 40202; USA
| | - Vatsalya Vatsalya
- Division of Gastroenterology, Hepatology, and Nutrition, University of Louisville, Louisville, KY 40202, USA
- Robley Rex VA Medical Center, Louisville, KY 40292, USA
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26
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Rikhi R, Singh T, Modaresi Esfeh J. Work up of fatty liver by primary care physicians, review. Ann Med Surg (Lond) 2020; 50:41-48. [PMID: 31993196 PMCID: PMC6976911 DOI: 10.1016/j.amsu.2020.01.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 12/17/2019] [Accepted: 01/03/2020] [Indexed: 02/08/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is an overarching term that refers to abnormal deposition of lipids in the liver and is used to describe the spectrum of disease ranging from hepatic steatosis to nonalcoholic steatohepatitis to cirrhosis. NAFLD is the most common cause of chronic liver disease and the second most common cause of cirrhosis. Although the pathophysiology is not completely understood, there is a strong link between NAFLD and metabolic syndrome. This review focuses on the workup of NAFLD in the primary care setting, from differential diagnoses to assessing fibrosis via predictive models that use commonly used laboratory values, biomarkers, and imaging. The purpose of this review article is to provide a set of screening and diagnostic tools for all primary care physicians in order to better manage patients with NAFLD. Nonalcoholic fatty liver disease is the most common cause of chronic liver disease. Primary care providers have an important role in diagnosis. Prediction models and imaging have helped estimate fibrosis. Main treatment involves lifestyle modifications and managing comorbid conditions.
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Affiliation(s)
- Rishi Rikhi
- Cleveland Clinic, Department of Internal Medicine, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
| | - Tavankit Singh
- Cleveland Clinic, Department of Gastroenterology, Hepatology & Nutrition, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
| | - Jamak Modaresi Esfeh
- Cleveland Clinic, Department of Gastroenterology, Hepatology & Nutrition, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
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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: 450] [Impact Index Per Article: 112.5] [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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28
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Seo B, Jeon K, Moon S, Lee K, Kim WK, Jeong H, Cha KH, Lim MY, Kang W, Kweon MN, Sung J, Kim W, Park JH, Ko G. Roseburia spp. Abundance Associates with Alcohol Consumption in Humans and Its Administration Ameliorates Alcoholic Fatty Liver in Mice. Cell Host Microbe 2020; 27:25-40.e6. [DOI: 10.1016/j.chom.2019.11.001] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 07/25/2019] [Accepted: 11/06/2019] [Indexed: 02/08/2023]
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29
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Abedini JA, Handa S, Edwards S, Chorley B, El-Masri H. Identification of differentially expressed genes and networks related to hepatic lipid dysfunction. Toxicol Appl Pharmacol 2019; 382:114757. [DOI: 10.1016/j.taap.2019.114757] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 09/06/2019] [Accepted: 09/10/2019] [Indexed: 12/20/2022]
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30
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Singh KR, Muktesh G, Gunjan D, Kochhar R, Singh V, Das A, Siddappa P, Singh K. Patterns of alcohol consumption and nutrition intake in patients with alcoholic liver disease and alcoholic pancreatitis in North Indian men. JGH OPEN 2019; 3:316-321. [PMID: 31406925 PMCID: PMC6684506 DOI: 10.1002/jgh3.12165] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 01/05/2019] [Accepted: 01/31/2019] [Indexed: 11/09/2022]
Abstract
Background and Aim Chronic alcoholism and nutrition play an important role in liver and pancreatic diseases. To compare drinking habits and nutritional data in patients with alcoholic liver disease (ALD) and alcoholic pancreatitis (ALP). Methods Clinical, anthropometric, dietary intake, laboratory, and imaging data were recorded in consecutive patients of ALD and ALP. Results In 150 patients of ALP (n = 76) and ALD (n = 74), the age of starting alcohol consumption (19.03 ± 3.78 vs 18.0 ± 2.59 years) and the mean amount of alcohol consumed per day (165.63 ± 87.99 vs 185.50 ± 113.54 g; P = 0.230) were similar. Patients with ALD consumed alcohol on a daily basis more frequently (90.5 vs 72.3%; P = 0.003) and had a longer duration of alcohol intake (21.6 + 0.2 vs 14.5 + 6.9 years; P < 0.0001) than patients in the ALP group. Binge drinking was more common in patients with ALP compared to patients with ALD (60.5 vs 20.3%); P < 0.0001). Patients with ALP had a lower body mass index (19.9 ± 3.49 vs 22.64 ± 4.88 kg/m2; P = 0.001) and more frequent decrease in mid arm circumference (57.9 vs 44.6%; P = 0.042) and triceps skin fold thickness (67.1 vs 52.7%; P = 0.072) compared to patients with ALD. Conclusion There was no difference in the age of starting alcohol consumption and mean amount of alcohol consumption per day between the groups. Patients with ALD were more likely to be daily drinkers with a longer duration of alcohol intake. However, binge drinking and malnourishment was more common in the ALP group.
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Affiliation(s)
- Karam R Singh
- Unit of Gastroenterology Regional Institute of Medical Sciences Imphal India
| | - Gaurav Muktesh
- Department of Gastroenterology Postgraduate Institute of Medical Education and Research Chandigarh India
| | - Deepak Gunjan
- Department of Gastroenterology All India Institute of Medical Sciences Delhi India
| | - Rakesh Kochhar
- Department of Gastroenterology Postgraduate Institute of Medical Education and Research Chandigarh India
| | - Virendra Singh
- Department of Hepatology Postgraduate Institute of Medical Education and Research Chandigarh India
| | - Ashim Das
- Department of Histopathology Postgraduate Institute of Medical Education and Research Chandigarh India
| | - Pradeep Siddappa
- Department of Gastroenterology Postgraduate Institute of Medical Education and Research Chandigarh India
| | - Kartar Singh
- Department of Gastroenterology Postgraduate Institute of Medical Education and Research Chandigarh India
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Wu X, Wang Y, Jia R, Fang F, Liu Y, Cui W. Computational and biological investigation of the soybean lecithin-gallic acid complex for ameliorating alcoholic liver disease in mice with iron overload. Food Funct 2019; 10:5203-5214. [PMID: 31380553 DOI: 10.1039/c9fo01022j] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Abstract
Alcoholic liver disease (ALD) is associated with significant morbidity and mortality globally. In this study, the soybean lecithin-gallic acid complex was synthesized, and its physicochemical properties were evaluated, which confirmed the complex formation. Compared with the free state of the drug, gallic acid exhibited significantly different physicochemical properties after it was complexed with soybean lecithin. To clarify the binding mode between two monomers, computational investigation was performed. From the computational data, we deduced the structure of the compound and predicted that it has a high affinity for human phosphatidylcholine transfer protein and exhibits strong pharmacological activities in vivo. The complex not only effectively ameliorated liver fibrosis, lipid peroxidation, and oxidative stress, but also reduced liver iron overload in a mouse ALD model induced by alcohol (p < 0.05). Additionally, it regulated iron metabolism by inhibiting TfR1 expression (p < 0.05) and promoting hepcidin expression (p < 0.05). These results suggest that the soybean lecithin-gallic acid complex ameliorates hepatic damage and iron overload induced by alcohol and exert hepatoprotective effects.
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Affiliation(s)
- Xiangqun Wu
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, Changchun, P. R. China.
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Oikonomou KG, Tsai E, Sarpel D, Dieterich DT. Liver Disease in Human Immunodeficiency Virus Infection. Clin Liver Dis 2019; 23:309-329. [PMID: 30947879 DOI: 10.1016/j.cld.2018.12.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Liver disease in human immunodeficiency virus (HIV) remains a main cause of morbidity and mortality. Liver-related morbidity and mortality can be caused by multiple etiologic factors, including opportunistic infections, direct and indirect effects of antiretrovirals, direct and indirect effects of HIV, and viral hepatitides. These factors present with varied liver pathophysiologic mechanisms that lead to abnormalities in liver enzymes and synthetic function test, followed by distinct clinical presentations. This article elucidates the direct effects on HIV in the liver and explores the diagnostic and management challenges in patients with HIV in the era of highly active antiretroviral treatment.
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Affiliation(s)
- Katerina G Oikonomou
- Icahn School of Medicine at Mount Sinai, 1 Gustav L. Levy Place, New York, NY 10029-6574, USA.
| | - Eugenia Tsai
- Icahn School of Medicine at Mount Sinai, 1 Gustav L. Levy Place, New York, NY 10029-6574, USA
| | - Dost Sarpel
- Icahn School of Medicine at Mount Sinai, 1 Gustav L. Levy Place, New York, NY 10029-6574, USA
| | - Douglas T Dieterich
- Icahn School of Medicine at Mount Sinai, 1 Gustav L. Levy Place, New York, NY 10029-6574, USA
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Matsushita H, Takaki A. Alcohol and hepatocellular carcinoma. BMJ Open Gastroenterol 2019; 6:e000260. [PMID: 31139422 PMCID: PMC6505979 DOI: 10.1136/bmjgast-2018-000260] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 01/04/2019] [Accepted: 01/12/2019] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Alcohol is classified as a Group 1 carcinogen by the International Agency for Research on Cancer because it induces hepatocellular carcinoma (among other cancers) in humans. An excessive alcohol intake may result in fatty liver, acute/chronic hepatitis, and cirrhosis and eventually lead to hepatocellular carcinoma. It has been reported that alcohol abuse increases the relative risk of hepatocellular carcinoma by 3- to 10-fold. AIM AND METHODS To clarify the known mechanisms of alcohol-related carcinogenesis, we searched Pubmed using the terms alcohol and immune mechanism, alcohol and cancer, and immune mechanism and cancer and summarized the articles as a qualitative review. RESULTS From a clinical perspective, it is well known that alcohol interacts with other factors, such as smoking, viral hepatitis, and diabetes, leading to an increased risk of hepatocellular carcinoma. There are several possible mechanisms through which alcohol may induce liver carcinogenicity, including the mutagenic effects of acetaldehyde and the production of ROS due to the excessive hepatic deposition of iron. Furthermore, it has been reported that alcohol accelerates hepatitis C virus-induced liver tumorigenesis through TLR4 signaling. Despite intense investigations to elucidate the mechanisms, they remain poorly understood. CONCLUSION This review summarizes the recent findings of clinical and pathological studies that have investigated the carcinogenic effects of alcohol in the liver.
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Affiliation(s)
- Hiroshi Matsushita
- Department of Gastroenterology and Hepatology, Okayama University, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Akinobu Takaki
- Department of Gastroenterology and Hepatology, Okayama University, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
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di Bello G, Vendemiale G, Bellanti F. Redox cell signaling and hepatic progenitor cells. Eur J Cell Biol 2018; 97:546-556. [PMID: 30278988 DOI: 10.1016/j.ejcb.2018.09.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 09/20/2018] [Accepted: 09/20/2018] [Indexed: 02/08/2023] Open
Abstract
Hepatic diseases are widespread in the world and organ transplantation is currently the only treatment for liver failure. New cell-based approaches have been considered, since stem cells may represent a possible source to treat liver diseases. Acute and chronic liver diseases are characterized by high production of reactive oxygen and nitrogen species, with consequent oxidative modifications of cellular macromolecules and alteration of signaling pathways, metabolism and cell cycle. Although considered harmful molecules, reactive species are involved in cell growth and differentiation processes, modulating the activity of transcription factors, which take part in stemness/proliferation. It is conceivable that redox balance may regulate the development of hepatic progenitor cells, function and survival in synchrony with metabolism during chronic liver diseases. This review aims to summarize diverse redox-sensitive signaling pathways involved in stem cell fate, highlighting the important role of hepatic progenitor cells as a possible source to treat end-stage liver disease for organ regeneration.
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Affiliation(s)
- Giorgia di Bello
- Centre for Experimental and Regenerative Medicine, Institute of Internal Medicine, Department of Medical and Surgical Sciences, University of Foggia, Italy
| | - Gianluigi Vendemiale
- Centre for Experimental and Regenerative Medicine, Institute of Internal Medicine, Department of Medical and Surgical Sciences, University of Foggia, Italy
| | - Francesco Bellanti
- Centre for Experimental and Regenerative Medicine, Institute of Internal Medicine, Department of Medical and Surgical Sciences, University of Foggia, Italy.
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Abstract
Alcohol consumption has increased over the past 40 years in Korea concomitantly with the country’s rapid socioeconomic development. As a result, alcohol-related deaths and mortality continue to increase in Korea. This review will summarize the recent epidemiology of alcoholic liver disease in Korea.
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Affiliation(s)
- Jae Young Jang
- Institute for Digestive Research, Digestive Disease Center, Department of Internal Medicine, Soonchunhyang University College of Medicine, Seoul, Korea.,Alcohol-Related Problems Study Group, Korea
| | - Dong Joon Kim
- Department of Internal Medicine, Hallym University College of Medicine, Chuncheon, Korea.,Alcohol-Related Problems Study Group, Korea
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Nielsen JK, Olafsson S, Bergmann OM, Runarsdottir V, Hansdottir I, Sigurdardottir R, Björnsson ES. Lifetime drinking history in patients with alcoholic liver disease and patients with alcohol use disorder without liver disease. Scand J Gastroenterol 2017; 52:762-767. [PMID: 28276826 DOI: 10.1080/00365521.2017.1295466] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVE To determine the differences in lifetime alcohol intake (LAI) and drinking patterns between patients with alcoholic liver disease (ALD) and alcohol use disorder (AUD) without notable liver injury and between males and females with ALD. METHODS Alcohol drinking patterns were assessed using the Lifetime Drinking History (LDH) a validated questionnaire, during an outpatient visit. Patients with AUD, currently in addiction treatment, were matched for gender and age (±5 years) with the ALD group. RESULTS A total of 39 patients with ALD (26 males and 13 females; median age 58) and equal number of AUD patients were included (median age 56 years). The onset age for alcohol drinking and duration of alcohol consumption was similar in ALD and AUD. The number of drinking days was higher in women with ALD than in women with AUD: 4075 [(3224-6504) versus 2092 (1296-3661), p = .0253]. The LAI and drinks per drinking day (DDD) were not significantly different between patients with ALD and AUD. Females with ALD had lower LAI than males with ALD: 32,934 (3224-6504) versus 50,923 (30,360-82,195), p = .0385, fewer DDD (p = .0112), and lower proportion of binge drinking as compared to males with ALD (p = .0274). CONCLUSIONS The total LAI was similar in patients with ALD and AUD. The number of drinking days over the lifetime was associated with the development of ALD in females. Females with ALD had significantly lower alcohol consumption than men with ALD despite similar duration in years of alcohol intake which supports the concept of female propensity of ALD.
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Affiliation(s)
- Jon Kristinn Nielsen
- a Department of Surgery , The National University Hospital of Iceland , Reykjavik , Iceland
| | - Sigurdur Olafsson
- b Department of Gastroenterology and Hepatology , Landspitali University Hospital , Reykjavik , Iceland
| | - Ottar M Bergmann
- b Department of Gastroenterology and Hepatology , Landspitali University Hospital , Reykjavik , Iceland
| | - Valgerdur Runarsdottir
- d Department of Internal Medicine , The National Center for Addiction Medicine, Vogur Hospital , Reykjavik , Iceland
| | - Ingunn Hansdottir
- d Department of Internal Medicine , The National Center for Addiction Medicine, Vogur Hospital , Reykjavik , Iceland.,e Department of Psychology , The National University Hospital of Iceland, University of Iceland , Reykjavik , Iceland
| | - Ragna Sigurdardottir
- c Department of Internal Medicine , The National University Hospital of Iceland , Reykjavik , Iceland
| | - Einar S Björnsson
- b Department of Gastroenterology and Hepatology , Landspitali University Hospital , Reykjavik , Iceland.,c Department of Internal Medicine , The National University Hospital of Iceland , Reykjavik , Iceland
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Saha SK, Lee SB, Won J, Choi HY, Kim K, Yang GM, Dayem AA, Cho SG. Correlation between Oxidative Stress, Nutrition, and Cancer Initiation. Int J Mol Sci 2017; 18:E1544. [PMID: 28714931 PMCID: PMC5536032 DOI: 10.3390/ijms18071544] [Citation(s) in RCA: 219] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 07/12/2017] [Accepted: 07/13/2017] [Indexed: 02/07/2023] Open
Abstract
Inadequate or excessive nutrient consumption leads to oxidative stress, which may disrupt oxidative homeostasis, activate a cascade of molecular pathways, and alter the metabolic status of various tissues. Several foods and consumption patterns have been associated with various cancers and approximately 30-35% of the cancer cases are correlated with overnutrition or malnutrition. However, several contradictory studies are available regarding the association between diet and cancer risk, which remains to be elucidated. Concurrently, oxidative stress is a crucial factor for cancer progression and therapy. Nutritional oxidative stress may be induced by an imbalance between antioxidant defense and pro-oxidant load due to inadequate or excess nutrient supply. Oxidative stress is a physiological state where high levels of reactive oxygen species (ROS) and free radicals are generated. Several signaling pathways associated with carcinogenesis can additionally control ROS generation and regulate ROS downstream mechanisms, which could have potential implications in anticancer research. Cancer initiation may be modulated by the nutrition-mediated elevation in ROS levels, which can stimulate cancer initiation by triggering DNA mutations, damage, and pro-oncogenic signaling. Therefore, in this review, we have provided an overview of the relationship between nutrition, oxidative stress, and cancer initiation, and evaluated the impact of nutrient-mediated regulation of antioxidant capability against cancer therapy.
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Affiliation(s)
- Subbroto Kumar Saha
- Department of Stem Cell and Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, Seoul 05029, Korea.
| | - Soo Bin Lee
- Department of Stem Cell and Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, Seoul 05029, Korea.
| | - Jihye Won
- Department of Stem Cell and Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, Seoul 05029, Korea.
| | - Hye Yeon Choi
- Department of Stem Cell and Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, Seoul 05029, Korea.
| | - Kyeongseok Kim
- Department of Stem Cell and Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, Seoul 05029, Korea.
| | - Gwang-Mo Yang
- Department of Stem Cell and Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, Seoul 05029, Korea.
| | - Ahmed Abdal Dayem
- Department of Stem Cell and Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, Seoul 05029, Korea.
| | - Ssang-Goo Cho
- Department of Stem Cell and Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, Seoul 05029, Korea.
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Stein E, Cruz-Lemini M, Altamirano J, Ndugga N, Couper D, Abraldes JG, Bataller R. Heavy daily alcohol intake at the population level predicts the weight of alcohol in cirrhosis burden worldwide. J Hepatol 2016; 65:998-1005. [PMID: 27392424 DOI: 10.1016/j.jhep.2016.06.018] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 05/27/2016] [Accepted: 06/14/2016] [Indexed: 02/08/2023]
Abstract
BACKGROUND & AIMS Studies assessing alcohol as a population level risk factor for cirrhosis typically focus on per capita consumption. However, clinical studies indicate that daily intake is a strong predictor of alcoholic cirrhosis. We aimed to identify the determinants of alcohol's contribution to the global cirrhosis burden and to evaluate the influence of daily drinking on a population level. METHODS We performed a comprehensive analysis of the WHO 2014 Global Status Report on Alcohol and Health. We categorized countries by heavy or moderate drinking based on daily consumption, using U.S. Department of Agriculture definitions of heavy drinking. Additional data on cirrhosis cofactors were also obtained. Uni- and multivariate models were fitted to identify independent predictors of the alcohol-attributable fraction of cirrhosis. RESULTS The WHO 2014 Report found that half of cirrhosis mortality worldwide is attributable to alcohol, approximating 60% in North America and Europe. In an integrative multivariate model, the designation of countries by moderate or heavy daily drinking had the strongest influence on the weight of alcohol in the cirrhosis burden. The relative contribution from alcohol increased by 11% with a transition from the moderate to heavy classification (p<0.001). Importantly, drinking patterns such as heavy episodic drinking and the type of alcohol did not independently predict the alcohol-attributable fraction of cirrhosis. CONCLUSIONS Heavy daily drinking on a population level significantly influences the weight of alcohol in the cirrhosis burden. Reducing heavy drinking should be considered as an important target for public health monitoring and policies. LAY SUMMARY We carried out an analysis of the WHO 2014 Global Status Report on Alcohol and Health, and categorized countries by their level of drinking (heavy or moderate). We found that half of the global cirrhosis cases, and 60% in both North America and Europe are associated with alcohol intake. We concluded that on a population level heavy daily drinking significantly influences the impact of alcohol on the cirrhosis burden.
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Affiliation(s)
- Eva Stein
- Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina, Chapel Hill, NC, USA; University of North Carolina School of Medicine, Chapel Hill, NC, USA
| | | | - Jose Altamirano
- Vall d'Hebrón Institut de Recerca, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Nambi Ndugga
- Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina, Chapel Hill, NC, USA
| | - David Couper
- Department of Biostatistics, University of North Carolina, Chapel Hill, NC, USA
| | - Juan G Abraldes
- Cirrhosis Care Clinic, Liver Unit, Division of Gastroenterology, Department of Medicine, CEGIIR, University of Alberta, Edmonton, Canada
| | - Ramon Bataller
- Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina, Chapel Hill, NC, USA; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Division of Biochemistry, Department of Nutrition, University of North Carolina, Chapel Hill, NC, USA.
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Abstract
Liver disease from excessive alcohol consumption is an important cause of morbidity and mortality worldwide. There is a clear relationship between alcohol and a variety of health and socioeconomic problems. According to the World Health Organization, 3.3 million people die of alcohol-related causes annually. Despite public knowledge of its potential adverse effects, alcohol consumption and the morbidity and mortality from alcoholic liver disease (ALD) have increased. ALD comprises a spectrum of injury, including simple steatosis, acute alcoholic hepatitis, and cirrhosis. Rather than being distinct disease entities, these pathologic processes frequently overlap.
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Affiliation(s)
- Kristina Rachel Chacko
- Division of Gastroenterology & Liver Diseases, Montefiore Medical Center, Bronx, NY, USA
| | - John Reinus
- Department of Clinical Medicine, Albert Einstein College of Medicine, 111 East 210th Street, Rosenthal 2C, Bronx, NY 10467, USA.
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Joshi K, Kohli A, Manch R, Gish R. Alcoholic Liver Disease: High Risk or Low Risk for Developing Hepatocellular Carcinoma? Clin Liver Dis 2016; 20:563-80. [PMID: 27373617 DOI: 10.1016/j.cld.2016.02.012] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
In this review we critically assess the literature to evaluate the level of risk posed by alcohol as both a primary etiology of hepatocellular carcinoma (HCC) and as a cofactor in its development. Although there have been conflicting findings, based on the body of evidence to date, it appears that the linkage between compensated alcoholic liver disease-associated cirrhosis and HCC is best characterized as medium-high risk, with the risk increasing with age and with quantity and duration of alcohol consumption and is more pronounced in females. While abstinence is the most effective way to reduce HCC risk, its effect seems largely dependent on the severity of liver damage at the point of cessation. Alcohol clearly interacts with other etiologies and conditions including viral hepatitis B and C, hereditary hemochromatosis, diabetes, and obesity to increase the risk for developing HCC, either synergistically or additively. Continued progress in genetics, especially through mechanistic-based and genome-wide association studies may ultimately identify which single nucleotide polymorphisms are risk factors for the onset of alcoholic liver disease and its progression to HCC and lead to the development of targeted therapeutics which may help providers better manage at-risk patients.
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Affiliation(s)
- Kartik Joshi
- Division of Hepatology, St. Joseph's Hospital and Medical Center, Creighton University School of Medicine, 500 West Thomas Road, Suite 900, Phoenix, AZ 85013, USA
| | - Anita Kohli
- Division of Hepatology, St. Joseph's Hospital and Medical Center, Creighton University School of Medicine, 500 West Thomas Road, Suite 900, Phoenix, AZ 85013, USA; Division of Infectious Disease, St. Joseph's Hospital and Medical Center, Creighton University School of Medicine, 500 West Thomas Road, Suite 900, Phoenix, AZ 85013, USA
| | - Richard Manch
- Division of Hepatology, St. Joseph's Hospital and Medical Center, Creighton University School of Medicine, 500 West Thomas Road, Suite 900, Phoenix, AZ 85013, USA
| | - Robert Gish
- Division of Hepatology, St. Joseph's Hospital and Medical Center, Creighton University School of Medicine, 500 West Thomas Road, Suite 900, Phoenix, AZ 85013, USA; Division of Hepatology and Gastroenterology, Stanford University Hospitals and Clinics, 300 Pasteur Drive, Palo Alto, CA 94304, USA.
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Mean Platelet Volume, Red Cell Distribution Width to Platelet Count Ratio, Globulin Platelet Index, and 16 Other Indirect Noninvasive Fibrosis Scores: How Much Do Routine Blood Tests Tell About Liver Fibrosis in Chronic Hepatitis C? J Clin Gastroenterol 2016; 50:518-23. [PMID: 26974762 DOI: 10.1097/mcg.0000000000000489] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND AIM Many indirect noninvasive scores to predict liver fibrosis are calculated from routine blood investigations. Only limited studies have compared their efficacy head to head. We aimed to compare these scores with liver biopsy fibrosis stages in patients with chronic hepatitis C. MATERIALS AND METHODS From blood investigations of 1602 patients with chronic hepatitis C who underwent a liver biopsy before initiation of antiviral treatment, 19 simple noninvasive scores were calculated. The area under the receiver operating characteristic curves and diagnostic accuracy of each of these scores were calculated (with reference to the Scheuer staging) and compared. RESULTS The mean age of the patients was 41.8±9.6 years (1365 men). The most common genotype was genotype 4 (65.6%). Significant fibrosis, advanced fibrosis, and cirrhosis were seen in 65.1%, 25.6, and 6.6% of patients, respectively. All the scores except the aspartate transaminase (AST) alanine transaminase ratio, Pohl score, mean platelet volume, fibro-alpha, and red cell distribution width to platelet count ratio index showed high predictive accuracy for the stages of fibrosis. King's score (cutoff, 17.5) showed the highest predictive accuracy for significant and advanced fibrosis. King's score, Göteborg university cirrhosis index, APRI (the AST/platelet count ratio index), and Fibrosis-4 (FIB-4) had the highest predictive accuracy for cirrhosis, with the APRI (cutoff, 2) and FIB-4 (cutoff, 3.25) showing the highest diagnostic accuracy.We derived the study score 8.5 - 0.2(albumin, g/dL) +0.01(AST, IU/L) -0.02(platelet count, 10(9)/L), which at a cutoff of >4.7 had a predictive accuracy of 0.868 (95% confidence interval, 0.833-0.904) for cirrhosis. CONCLUSIONS King's score for significant and advanced fibrosis and the APRI or FIB-4 score for cirrhosis could be the best simple indirect noninvasive scores.
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Chang YC, Liu FP, Ma X, Li MM, Li R, Li CW, Shi CX, He JS, Li Z, Lin YX, Zhao CW, Han Q, Zhao YL, Wang DN, Liu JL. Glutathione S-transferase A1 – a sensitive marker of alcoholic injury on primary hepatocytes. Hum Exp Toxicol 2016; 36:386-394. [DOI: 10.1177/0960327116650013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The primary hepatocytes were extracted and purified from mice through improved Seglen two-step perfusion method. Ethanol-induced injury hepatocytes model in mice was used to investigate the importance of glutathione S-transferase A1 (GSTA1) in hepatocytes injury by comparison with other indicators, such as alanine aminotransferase, aspartate aminotransferase, malondialdehyde, glutathione and superoxide dismutase. The release of GSTA1 was demonstrated to be an earlier and more sensitive indicator of hepatocytes injury than other indicators. Significant increases in GSTA1 were detected at 2 h after ethanol exposure, while other indicators were undetected at this time. A markedly difference in other indicators were observed at 6 and 8 h. The release of GSTA1 was significantly increased at a concentration of 50 mmol/L ethanol, the lowest exposure concentration than that in other indicators. In contrast, other indicators release was not statistically significant until concentrations of 75 mmol/L and 100 mmol/L ethanol. These results suggest that GSTA1 can be detected at the early stage of low concentration ethanol exposure and that GSTA1 is more sensitive and reliable marker in ethanol-induced hepatic injury.
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Affiliation(s)
- Y-C Chang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People’s Republic of China
| | - F-P Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People’s Republic of China
| | - X Ma
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People’s Republic of China
| | - M-M Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People’s Republic of China
| | - R Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People’s Republic of China
| | - C-W Li
- Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, People’s Republic of China
| | - C-X Shi
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People’s Republic of China
| | - J-S He
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People’s Republic of China
| | - Z Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People’s Republic of China
| | - Y-X Lin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People’s Republic of China
| | - C-W Zhao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People’s Republic of China
| | - Q Han
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People’s Republic of China
| | - Y-L Zhao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People’s Republic of China
| | - D-N Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People’s Republic of China
| | - J-L Liu
- Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, People’s Republic of China
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Angrish MM, Kaiser JP, McQueen CA, Chorley BN. Tipping the Balance: Hepatotoxicity and the 4 Apical Key Events of Hepatic Steatosis. Toxicol Sci 2016; 150:261-8. [PMID: 26980302 DOI: 10.1093/toxsci/kfw018] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Hepatic steatosis is a condition were fat accumulates in the liver and it is associated with extra-hepatic diseases related to metabolic syndrome and systemic energy metabolism. If not reversed, steatosis can progress to steatohepatitis and irreversible stages of liver disease including fibrosis, cirrhosis, hepatocellular carcinoma, and death. From a public health standpoint, identifying chemical exposures that may be factors in steatosis etiology are important for preventing hepatotoxicity and liver disease progression. It is therefore important to identify the biological events that are key for steatosis pathology mediated by chemical exposure. In this review, we give a current overview of the complex biological cascades that can disrupt lipid homeostasis in hepatocytes in the context of 4 apical key events central to hepatic lipid retention: hepatic fatty acid (FA) uptake,de novoFA and lipid synthesis, FA oxidation, and lipid efflux. Our goal is to review these key cellular events and visually summarize them using a network for application in pathway-based toxicity testing. This effort provides a foundation to improve next-generation chemical screening efforts that may be used to prevent and ultimately reverse the growing incidence of fatty liver disease in our population.
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Affiliation(s)
- Michelle M Angrish
- *National Health and Environmental Effects Research Laboratory, Office of Research and Development (ORD), United States Environmental Protection Agency (US EPA), Research Triangle Park, North Carolina 27709
| | - Jonathan Phillip Kaiser
- United States Environmental Protection Agency (US EPA), National Center for Environmental Assessment, Office of Research and Development (ORD), Cincinnati, Ohio 45268
| | - Charlene A McQueen
- *National Health and Environmental Effects Research Laboratory, Office of Research and Development (ORD), United States Environmental Protection Agency (US EPA), Research Triangle Park, North Carolina 27709
| | - Brian N Chorley
- *National Health and Environmental Effects Research Laboratory, Office of Research and Development (ORD), United States Environmental Protection Agency (US EPA), Research Triangle Park, North Carolina 27709;
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Pavlov CS, Casazza G, Semenistaia M, Nikolova D, Tsochatzis E, Liusina E, Ivashkin VT, Gluud C. Ultrasonography for diagnosis of alcoholic cirrhosis in people with alcoholic liver disease. Cochrane Database Syst Rev 2016; 3:CD011602. [PMID: 26934429 PMCID: PMC6464787 DOI: 10.1002/14651858.cd011602.pub2] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Heavy alcohol consumption causes alcoholic liver disease and is a causal factor of many types of liver injuries and concomitant diseases. It is a true systemic disease that may damage the digestive tract, the nervous system, the heart and vascular system, the bone and skeletal muscle system, and the endocrine and immune system, and can lead to cancer. Liver damage in turn, can present as multiple alcoholic liver diseases, including fatty liver, steatohepatitis, fibrosis, alcoholic cirrhosis, and hepatocellular carcinoma, with presence or absence of hepatitis B or C virus infection. There are three scarring types (fibrosis) that are most commonly found in alcoholic liver disease: centrilobular scarring, pericellular fibrosis, and periportal fibrosis. When liver fibrosis progresses, alcoholic cirrhosis occurs. Hepatocellular carcinoma occurs in 5% to 15% of people with alcoholic cirrhosis, but people in whom hepatocellular carcinoma has developed are often co-infected with hepatitis B or C virus.Abstinence from alcohol may help people with alcoholic disease in improving their prognosis of survival at any stage of their disease; however, the more advanced the stage, the higher the risk of complications, co-morbidities, and mortality, and lesser the effect of abstinence. Being abstinent one month after diagnosis of early cirrhosis will improve the chance of a seven-year life expectancy by 1.6 times. Liver transplantation is the only radical method that may change the prognosis of a person with alcoholic liver disease; however, besides the difficulties of finding a suitable liver transplant organ, there are many other factors that may influence a person's survival.Ultrasound is an inexpensive method that has been used for years in clinical practice to diagnose alcoholic cirrhosis. Ultrasound parameters for assessing cirrhosis in people with alcoholic liver disease encompass among others liver size, bluntness of the liver edge, coarseness of the liver parenchyma, nodularity of the liver surface, size of the lymph nodes around the hepatic artery, irregularity and narrowness of the inferior vena cava, portal vein velocity, and spleen size.Diagnosis of cirrhosis by ultrasound, especially in people who are asymptomatic, may have its advantages for the prognosis, motivation, and treatment of these people to decrease their alcohol consumption or become abstinent.Timely diagnosis of alcoholic cirrhosis in people with alcoholic liver disease is the cornerstone for evaluation of prognosis or choosing treatment strategies. OBJECTIVES To determine the diagnostic accuracy of ultrasonography for detecting the presence or absence of cirrhosis in people with alcoholic liver disease compared with liver biopsy as reference standard.To determine the diagnostic accuracy of any of the ultrasonography tests, B-mode or echo-colour Doppler ultrasonography, used singly or combined, or plus ultrasonography signs, or a combination of these, for detecting hepatic cirrhosis in people with alcoholic liver disease compared with liver biopsy as a reference standard, irrespective of sequence. SEARCH METHODS We performed searches in The Cochrane Hepato-Biliary Group Controlled Trials Register, The Cochrane Hepato-Biliary Group Diagnostic Test Accuracy Studies Register, The Cochrane Library (Wiley), MEDLINE (OvidSP), EMBASE (OvidSP), and the Science Citation Index Expanded to 8 January 2015. We applied no language limitations.We screened study references of the retrieved studies to identify other potentially relevant studies for inclusion in the review and read abstract and poster publications. SELECTION CRITERIA Three review authors independently identified studies for possible inclusion in the review. We excluded references not fulfilling the inclusion criteria of the review protocol. We sent e-mails to study authors.The included studies had to evaluate ultrasound in the diagnosis of hepatic cirrhosis using only liver biopsy as the reference standard.The maximum time interval of investigation with liver biopsy and ultrasonography should not have exceeded six months. In addition, ultrasonography could have been performed before or after liver biopsy. DATA COLLECTION AND ANALYSIS We followed the Cochrane Handbook for Systematic Reviews of Diagnostic Test Accuracy. MAIN RESULTS The review included two studies that provided numerical data regarding alcoholic cirrhosis in 205 men and women with alcoholic liver disease. Although there were no applicability concerns in terms of participant selection, index text, and reference standard, we judged the two studies at high risk of bias. Participants in both studies had undergone both liver biopsy and ultrasonography investigations. The studies shared only a few comparable clinical signs and symptoms (index tests).We decided to not perform a meta-analysis due to the high risk of bias and the high degree of heterogeneity of the included studies. AUTHORS' CONCLUSIONS As the accuracy of ultrasonography in the two included studies was not informative enough, we could not recommend the use of ultrasonography as a diagnostic tool for liver cirrhosis in people with alcoholic liver disease. In order to be able to answer the review questions, we need diagnostic ultrasonography prospective studies of adequate sample size, enrolling only participants with alcoholic liver disease.The design and report of the studies should follow the Standards for Reporting of Diagnostic Accuracy. The sonographic features, with validated cut-offs, which may help identify clinical signs used for diagnosis of fibrosis in alcoholic liver disease, should be carefully selected to achieve maximum diagnostic accuracy on ultrasonography.
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Affiliation(s)
- Chavdar S Pavlov
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University HospitalThe Cochrane Hepato‐Biliary GroupBlegdamsvej 9CopenhagenDenmarkDK‐2100
- I.M. Sechenov First Moscow State Medical UniversityClinic of Internal Diseases PropedeuticsPogodinskaja 1MoscowRussian Federation119991
| | - Giovanni Casazza
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University HospitalThe Cochrane Hepato‐Biliary GroupBlegdamsvej 9CopenhagenDenmarkDK‐2100
- Università degli Studi di MilanoDipartimento di Scienze Biomediche e Cliniche "L. Sacco"via GB Grassi 74MilanItaly20157
| | - Marianna Semenistaia
- I.M. Sechenov First Moscow State Medical UniversityMoscowRussian Federation119881
| | - Dimitrinka Nikolova
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University HospitalThe Cochrane Hepato‐Biliary GroupBlegdamsvej 9CopenhagenDenmarkDK‐2100
| | - Emmanuel Tsochatzis
- Royal Free Hospital and the UCL Institute of Liver and Digestive HealthSheila Sherlock Liver CentrePond StreetLondonUKNW3 2QG
| | - Ekaterina Liusina
- I.M. Sechenov First Moscow State Medical UniversityClinic of Internal Diseases PropedeuticsPogodinskaja 1MoscowRussian Federation119991
| | - Vladimir T Ivashkin
- I.M. Sechenov First Moscow State Medical UniversityClinic of Internal Diseases PropedeuticsPogodinskaja 1MoscowRussian Federation119991
| | - Christian Gluud
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University HospitalThe Cochrane Hepato‐Biliary GroupBlegdamsvej 9CopenhagenDenmarkDK‐2100
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Pavlov CS, Casazza G, Nikolova D, Tikhonov I, Tsochatzis E, Gluud C. S-adenosyl-L-methionine for people with alcoholic liver disease. Hippokratia 2015. [DOI: 10.1002/14651858.cd011949] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Chavdar S Pavlov
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University Hospital; The Cochrane Hepato-Biliary Group; Blegdamsvej 9 Copenhagen Denmark DK-2100
- I.M. Sechenov First Moscow State Medical University; Clinic of Internal Diseases Propedeutics; Pogodinskaja 1 Moscow Russian Federation 119991
| | - Giovanni Casazza
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University Hospital; The Cochrane Hepato-Biliary Group; Blegdamsvej 9 Copenhagen Denmark DK-2100
- Università degli Studi di Milano; Dipartimento di Scienze Biomediche e Cliniche "L. Sacco"; via GB Grassi 74 Milan Italy 20157
| | - Dimitrinka Nikolova
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University Hospital; The Cochrane Hepato-Biliary Group; Blegdamsvej 9 Copenhagen Denmark DK-2100
| | - Igor Tikhonov
- I.M. Sechenov First Moscow State Medical University; Department of Hepatology; Pogodinskaja 1 Moscow Russian Federation 119991
| | - Emmanuel Tsochatzis
- Royal Free Hospital and the UCL Institute of Liver and Digestive Health; Sheila Sherlock Liver Centre; Pond Street London UK NW3 2QG
| | - Christian Gluud
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University Hospital; The Cochrane Hepato-Biliary Group; Blegdamsvej 9 Copenhagen Denmark DK-2100
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Torok NJ. Update on Alcoholic Hepatitis. Biomolecules 2015; 5:2978-86. [PMID: 26540078 PMCID: PMC4693265 DOI: 10.3390/biom5042978] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2015] [Revised: 10/26/2015] [Accepted: 10/29/2015] [Indexed: 12/12/2022] Open
Abstract
Alcoholic liver disease is one of the most prevalent liver diseases worldwide, and a major cause of morbidity and mortality. Alcoholic hepatitis is a severe form of liver injury in patients with alcohol abuse, can present as an acute on chronic liver failure associated with a rapid decline in liver synthetic function, and consequent increase in mortality. Despite therapy, about 30%-50% of patients with severe alcoholic hepatitis eventually die. The pathogenic pathways that lead to the development of alcoholic hepatitis are complex and involve oxidative stress, gut dysbiosis, and dysregulation of the innate and adaptive immune system with injury to the parenchymal cells and activation of hepatic stellate cells. As accepted treatment approaches are currently limited, a better understanding of the pathophysiology would be required to generate new approaches that improve outcomes. This review focuses on recent advances in the diagnosis, pathogenesis of alcoholic hepatitis and novel treatment strategies.
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Affiliation(s)
- Natalie J Torok
- Department of Internal Medicine, UC Davis Medical Center, Sacramento, CA 95817, USA.
- Department of Internal Medicine, Northern California VA System, Mather, CA 95655, USA.
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Pavlov CS, Casazza G, Pavlova M, Nikolova D, Tsochatzis E, Liusina E, Gluud C. Ultrasonography for diagnosis of cirrhosis in people with alcoholic liver disease. THE COCHRANE DATABASE OF SYSTEMATIC REVIEWS 2015. [DOI: 10.1002/14651858.cd011602] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Pavlov CS, Casazza G, Nikolova D, Tsochatzis E, Burroughs AK, Ivashkin VT, Gluud C. Transient elastography for diagnosis of stages of hepatic fibrosis and cirrhosis in people with alcoholic liver disease. Cochrane Database Syst Rev 2015; 1:CD010542. [PMID: 25612182 PMCID: PMC7081746 DOI: 10.1002/14651858.cd010542.pub2] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND The presence and progression of hepatic (liver) fibrosis into cirrhosis is a prognostic variable having impact on survival in people with alcoholic liver disease. Liver biopsy, although an invasive method, is the recommended 'reference standard' for diagnosis and staging of hepatic fibrosis in people with liver diseases. Transient elastography is a non-invasive method for assessing and staging hepatic fibrosis. OBJECTIVES To determine the diagnostic accuracy of transient elastography for diagnosis and staging hepatic fibrosis in people with alcoholic liver disease when compared with liver biopsy. To identify the optimal cut-off values for differentiating the five stages of hepatic fibrosis. SEARCH METHODS The Cochrane Hepato-Biliary Group Controlled and Diagnostic Test Accuracy Studies Registers, The Cochrane Library, MEDLINE (OvidSP), EMBASE (OvidSP), and the Science Citation Index Expanded (last search August 2014). SELECTION CRITERIA Diagnostic cohort and diagnostic case-control study designs that assessed hepatic fibrosis in participants with alcoholic liver disease with transient elastography and liver biopsy, irrespective of language or publication status. The study participants could be of any sex and ethnic origin, above 16 years old, hospitalised or managed as outpatients. We excluded participants with viral hepatitis, autoimmunity, metabolic diseases, and toxins. DATA COLLECTION AND ANALYSIS We followed the guidelines in the draft Cochrane Handbook for Systematic Reviews of Diagnostic Test Accuracy. MAIN RESULTS Five retrospective and nine prospective cohort studies with 834 participants provided data for the review analyses. Authors of seven of those studies sent us individual participant data. The risk of bias in the included studies was high in all but three studies. We could identify no serious concerns regarding the applicability of the studies in answering the main study question of our review, namely to use transient elastography to diagnose hepatic fibrosis. We could not identify the optimal cut-off values for the fibrosis stages. The definition of the diagnosis of alcoholic liver disease was not provided in one study and was not clearly defined in two studies, but it was clear in the remaining 11 studies. The study authors used different liver stiffness cut-off values of transient elastography for the hepatic fibrosis stages.There was only one study (103 participants) with data on hepatic fibrosis stage F1 or worse, with a cut-off of 5.9 kPa, and reporting sensitivity of 0.83 (95% confidence interval (CI) 0.74 to 0.90) and specificity of 0.88 (95% CI 0.47 to 1.00). The summary sensitivity and specificity of transient elastography for F2 or worse (seven studies with 338 participants and with cut-offs around 7.5 kPa (range 7.00 to 7.8 kPa)) were 0.94 and 0.89 with LR+ 8.2 and LR- 0.07, which suggests that transient elastography could be useful to rule out the presence of significant hepatic fibrosis, thus avoiding liver biopsy.Due to the wide range of cut-off values (from 8.0 to 17.0 kPa) found in the 10 studies with 760 participants with hepatic fibrosis F3 or worse, we fitted a hierarchical summary receiver operating characteristic (HSROC) model and estimated a summary ROC (SROC) curve. The sensitivity of the 10 studies varied from 72% to 100% and the specificity from 59% to 89%. We performed an additional analysis by including the studies with a cut-off value of around and equal to 9.5 kPa (range 8.0 to 11.0 kPa). The summary sensitivity and specificity of transient elastography (eight studies with 564 participants) were 0.92 and 0.70 with LR+ 3.1 and LR- 0.11, which suggests that transient elastography could also be useful to rule out the presence of severe hepatic fibrosis (F3 or worse), avoiding liver biopsy. We carried out a sensitivity analysis by considering only the studies with a cut-off value equal to 9.5 kPa and the result did not differ.We performed an HSROC analysis and reported an SROC curve for hepatic fibrosis stage F4 (cirrhosis). The HSROC analysis suggested that when the cut-off value changes, there is a wide variation in specificity and a more limited variation in sensitivity. We performed an additional analysis with the studies with the most commonly used cut-off value of 12.5 kPa. The summary sensitivity and specificity of transient elastography (seven studies with 330 participants) were 0.95 and 0.71 with LR+ 3.3 and LR- 0.07, which again suggests that transient elastography could be useful to rule out the presence of cirrhosis, avoiding liver biopsy. AUTHORS' CONCLUSIONS We identified a small number of studies with a few participants and were unable to include several studies, which raises the risk of outcome reporting bias. With these caveats in mind, transient elastography may be used as a diagnostic method to rule out liver cirrhosis (F4) in people with alcoholic liver disease when the pre-test probability is about 51% (range 15% to 79%). Transient elastography may also help in ruling out severe fibrosis (F3 or worse). Liver biopsy investigation remains an option if the certainty to rule in or rule out the stage of hepatic fibrosis or cirrhosis remains insufficient after a clinical follow-up or any other non-invasive test considered useful by the clinician.The proposed cut-off values for the different stages of hepatic fibrosis may be used in clinical practice, but caution is needed, as those values reported in this review are only the most common cut-off values used by the study authors. The best cut-off values for hepatic fibrosis in people with alcoholic liver disease could not be established yet.In order to diagnose correctly the stage of hepatic fibrosis in people with alcoholic liver disease using transient elastography assessment, the studies should consider a single aetiology. Hepatic fibrosis should be diagnosed with both transient elastography and liver biopsy and in this sequence, and transient elastography cut-off values should be pre-specified and validated. The time interval between the two investigations should not exceed three months, which is the interval mainly valid for people without cirrhosis, and assessment of results should be properly blinded. Only studies with low risk of bias, fulfilling the Standards for Reporting of Diagnostic Accuracy may answer the review question.
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Affiliation(s)
- Chavdar S Pavlov
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University HospitalThe Cochrane Hepato‐Biliary GroupBlegdamsvej 9CopenhagenDenmarkDK‐2100
- I.M. Sechenov First Moscow State Medical UniversityClinic of Internal Diseases PropedeuticsPogodinskaja 1MoscowRussian Federation119991
| | - Giovanni Casazza
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University HospitalThe Cochrane Hepato‐Biliary GroupBlegdamsvej 9CopenhagenDenmarkDK‐2100
- Università degli Studi di MilanoDipartimento di Scienze Biomediche e Cliniche "L. Sacco"via GB Grassi 74MilanItaly20157
| | - Dimitrinka Nikolova
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University HospitalThe Cochrane Hepato‐Biliary GroupBlegdamsvej 9CopenhagenDenmarkDK‐2100
| | - Emmanuel Tsochatzis
- Royal Free Hampstead NHS Foundation Trust and UCL Institute of Liver and Digestive HealthSheila Sherlock Liver CentrePond StreetHampsteadLondonUKNW3 2QG
| | - Andrew K Burroughs
- Royal Free Hampstead NHS Foundation TrustSheila Sherlock Liver CentrePond StreetHampsteadLondonUKNW3 2QG
| | - Vladimir T Ivashkin
- I.M. Sechenov First Moscow State Medical UniversityClinic of Internal Diseases PropedeuticsPogodinskaja 1MoscowRussian Federation119991
| | - Christian Gluud
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University HospitalThe Cochrane Hepato‐Biliary GroupBlegdamsvej 9CopenhagenDenmarkDK‐2100
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Spontaneous evolution in bilirubin levels predicts liver-related mortality in patients with alcoholic hepatitis. PLoS One 2014; 9:e100870. [PMID: 25013906 PMCID: PMC4094461 DOI: 10.1371/journal.pone.0100870] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Accepted: 05/31/2014] [Indexed: 12/20/2022] Open
Abstract
The accurate prognostic stratification of alcoholic hepatitis (AH) is essential for individualized therapeutic decisions. The aim of this study was to develop a new prognostic model to predict liver-related mortality in Asian AH patients. We conducted a hospital-based, retrospective cohort study using 308 patients with AH between 1999 and 2011 (a derivation cohort) and 106 patients with AH between 2005 and 2012 (a validation cohort). The Cox proportional hazards model was constructed to select significant predictors of liver-related death from the derivation cohort. A new prognostic model was internally validated using a bootstrap sampling method. The discriminative performance of this new model was compared with those of other prognostic models using a concordance index in the validation cohort. Bilirubin, prothrombin time, creatinine, potassium at admission, and a spontaneous change in bilirubin levels from day 0 to day 7 (SCBL) were incorporated into a model for AH to grade the severity in an Asian patient cohort (MAGIC). For risk stratification, four risk groups were identified with cutoff scores of 29, 37, and 46 based on the different survival probabilities (P<0.001). In addition, MAGIC showed better discriminative performance for liver-related mortality than any other scoring system in the validation cohort. MAGIC can accurately predict liver-related mortality in Asian patients hospitalized for AH. Therefore, SCBL may help us decide whether patients with AH urgently require corticosteroid treatment.
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