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Huneault HE, Chen CY, Cohen CC, Liu X, Jarrell ZR, He Z, DeSantos KE, Welsh JA, Maner-Smith KM, Ortlund EA, Schwimmer JB, Vos MB. Lipidome Changes Associated with a Diet-Induced Reduction in Hepatic Fat among Adolescent Boys with Metabolic Dysfunction-Associated Steatotic Liver Disease. Metabolites 2024; 14:191. [PMID: 38668319 PMCID: PMC11052520 DOI: 10.3390/metabo14040191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 03/21/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
Little is known about lipid changes that occur in the setting of metabolic-dysfunction-associated steatotic liver disease (MASLD) regression. We previously reported improvements in hepatic steatosis, de novo lipogenesis (DNL), and metabolomic profiles associated with oxidative stress, inflammation, and selected lipid metabolism in 40 adolescent boys (11-16 y) with hepatic steatosis ≥5% (98% meeting the definition of MASLD). Participants were randomized to a low-free-sugar diet (LFSD) (n = 20) or usual diet (n = 20) for 8 weeks. Here, we employed untargeted/targeted lipidomics to examine lipid adaptations associated with the LFSD and improvement of hepatic steatosis. Our LC-MS/MS analysis revealed decreased triglycerides (TGs), diacylglycerols (DGs), cholesteryl esters (ChE), lysophosphatidylcholine (LPC), and phosphatidylcholine (PC) species with the diet intervention (p < 0.05). Network analysis demonstrated significantly lower levels of palmitate-enriched TG species post-intervention, mirroring the previously shown reduction in DNL in response to the LFSD. Targeted oxylipins analysis revealed a decrease in the abundance of 8-isoprostane and 14,15-DiHET and an increase in 8,9-DiHET (p < 0.05). Overall, we observed reductions in TGs, DGs, ChE, PC, and LPC species among participants in the LFSD group. These same lipids have been associated with MASLD progression; therefore, our findings may indicate normalization of key biological processes, including lipid metabolism, insulin resistance, and lipotoxicity. Additionally, our targeted oxylipins assay revealed novel changes in eicosanoids, suggesting improvements in oxidative stress. Future studies are needed to elucidate the mechanisms of these findings and prospects of these lipids as biomarkers of MASLD regression.
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Affiliation(s)
- Helaina E. Huneault
- Nutrition & Health Sciences Doctoral Program, Laney Graduate School, Emory University, Atlanta, GA 30322, USA; (J.A.W.); (M.B.V.)
| | - Chih-Yu Chen
- Department of Biochemistry, Emory School of Medicine, Emory University, Atlanta, GA 30329, USA; (C.-Y.C.); (X.L.); (E.A.O.)
| | - Catherine C. Cohen
- Section of Nutrition, Department of Pediatrics, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; (C.C.C.); (K.M.M.-S.)
| | - Xueyun Liu
- Department of Biochemistry, Emory School of Medicine, Emory University, Atlanta, GA 30329, USA; (C.-Y.C.); (X.L.); (E.A.O.)
| | - Zachery R. Jarrell
- Division of Pulmonary, Allergy and Critical Care Medicine, Emory University, Atlanta, GA 30322, USA;
| | - Zhulin He
- Pediatric Biostatistics Core, Department of Pediatrics, School of Medicine, Emory University, Atlanta, GA 30322, USA;
| | - Karla E. DeSantos
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, Emory University, Atlanta, GA 30322, USA;
- Children’s Healthcare of Atlanta, Atlanta, GA 30322, USA
| | - Jean A. Welsh
- Nutrition & Health Sciences Doctoral Program, Laney Graduate School, Emory University, Atlanta, GA 30322, USA; (J.A.W.); (M.B.V.)
- Children’s Healthcare of Atlanta, Atlanta, GA 30322, USA
| | - Kristal M. Maner-Smith
- Section of Nutrition, Department of Pediatrics, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; (C.C.C.); (K.M.M.-S.)
| | - Eric A. Ortlund
- Department of Biochemistry, Emory School of Medicine, Emory University, Atlanta, GA 30329, USA; (C.-Y.C.); (X.L.); (E.A.O.)
| | - Jeffrey B. Schwimmer
- Department of Gastroenterology, Rady Children’s Hospital San Diego, San Diego, CA 92123, USA;
- Department of Pediatrics, School of Medicine, University of California, San Diego, CA 92093, USA
| | - Miriam B. Vos
- Nutrition & Health Sciences Doctoral Program, Laney Graduate School, Emory University, Atlanta, GA 30322, USA; (J.A.W.); (M.B.V.)
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, Emory University, Atlanta, GA 30322, USA;
- Children’s Healthcare of Atlanta, Atlanta, GA 30322, USA
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Suppli MP, Høgedal A, Bagger JI, Chabanova E, van Hall G, Forman JL, Christensen MB, Albrechtsen NJW, Holst JJ, Knop FK. Signs of Glucagon Resistance After a 2-Week Hypercaloric Diet Intervention. J Clin Endocrinol Metab 2024; 109:955-967. [PMID: 37967235 DOI: 10.1210/clinem/dgad666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 11/06/2023] [Accepted: 11/13/2023] [Indexed: 11/17/2023]
Abstract
CONTEXT Hyperglucagonemia is observed in individuals with obesity and contributes to the hyperglycemia of patients with type 2 diabetes. Hyperglucagonemia may develop due to steatosis-induced hepatic glucagon resistance resulting in impaired hepatic amino acid turnover and ensuing elevations of circulating glucagonotropic amino acids. OBJECTIVE We evaluated whether glucagon resistance could be induced in healthy individuals by a hypercaloric diet intervention designed to increase hepatic fat content. METHODS We recruited 20 healthy male individuals to follow a hypercaloric diet and a sedentary lifestyle for 2 weeks. Amino acid concentrations in response to infusion of glucagon were assessed during a pancreatic clamp with somatostatin and basal insulin. The reversibility of any metabolic changes was assessed 8 weeks after the intervention. Hepatic steatosis was assessed by magnetic resonance spectroscopy. RESULTS The intervention led to increased hepatic fat content (382% [206%; 705%], P < .01). Glucagon infusion led to a decrease in the concentration of total amino acids on all experimental days, but the percentage change in total amino acids was reduced (-2.5% ± 0.5% vs -0.2% ± 0.7%, P = .015) and the average slope of the decline in the total amino acid concentration was less steep (-2.0 ± 1.2 vs -1.2 ± 0.3 μM/min, P = .016) after the intervention compared to baseline. The changes were normalized at follow-up. CONCLUSION Our results indicate that short-term unhealthy behavior, which increases hepatic fat content, causes a reversible resistance to the effect of glucagon on amino acid concentrations in healthy individuals, which may explain the hyperglucagonemia associated with obesity and diabetes.
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Affiliation(s)
- Malte Palm Suppli
- Center for Clinical Metabolic Research, Gentofte Hospital, University of Copenhagen, DK-2900 Hellerup, Denmark
| | - Astrid Høgedal
- Center for Clinical Metabolic Research, Gentofte Hospital, University of Copenhagen, DK-2900 Hellerup, Denmark
| | - Jonatan Ising Bagger
- Center for Clinical Metabolic Research, Gentofte Hospital, University of Copenhagen, DK-2900 Hellerup, Denmark
- Steno Diabetes Center Copenhagen, DK-2730 Herlev, Denmark
| | - Elizaveta Chabanova
- Department of Radiology, Herlev Hospital, University of Copenhagen, DK-2730 Herlev, Denmark
| | - Gerrit van Hall
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark
- Clinical Metabolomics Core Facility, Department of Clinical Biochemistry, Rigshospitalet, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | - Julie Lyng Forman
- Section of Biostatistics, Department of Public Health, University of Copenhagen, DK-1353 Copenhagen, Denmark
| | - Mikkel Bring Christensen
- Center for Clinical Metabolic Research, Gentofte Hospital, University of Copenhagen, DK-2900 Hellerup, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark
- Department of Clinical Pharmacology, Bispebjerg Hospital, University of Copenhagen, DK-2400 Copenhagen, Denmark
- Copenhagen Center for Translational Research, Bispebjerg Hospital, University of Copenhagen, DK-2400 Copenhagen, Denmark
| | - Nicolai Jacob Wewer Albrechtsen
- Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark
- Department of Clinical Biochemistry, Bispebjerg and Frederiksberg Hospital, University of Copenhagen, DK-2400 Copenhagen, Denmark
| | - Jens Juul Holst
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark
| | - Filip Krag Knop
- Center for Clinical Metabolic Research, Gentofte Hospital, University of Copenhagen, DK-2900 Hellerup, Denmark
- Steno Diabetes Center Copenhagen, DK-2730 Herlev, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark
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Sato A, Oomori Y, Nakano R, Matsuura T. Nonalcoholic Fatty Liver Disease in Japan Continue to Increase Even after the Launch of Specific Health Checkups. Intern Med 2024; 63:763-771. [PMID: 37532550 PMCID: PMC11009008 DOI: 10.2169/internalmedicine.1715-23] [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: 01/31/2023] [Accepted: 06/19/2023] [Indexed: 08/04/2023] Open
Abstract
Objective To examine the trends and relationships between nonalcoholic fatty liver disease (NAFLD) and hypertension, type 2 diabetes mellitus (T2DM), and dyslipidemia from fiscal year (FY) 2008, when specific health checkups (SHCs) were initiated in Japan, to FY 2019 and the relationship between NAFLD trends and dietary nutrition. Methods A total of 48,332 participants (25,121 men and 23,211 women) diagnosed with NAFLD who underwent health checkups, including ultrasonography, from FY 2008 to FY 2019 were included. A fatty liver was diagnosed using ultrasonography. The dietary nutrient intake status was based on data from the National Health and Nutrition Survey, Japan. Results Over 12 years, NAFLD prevalence increased from 26.9% to 43.1% in men (p<0.0001) and from 9.9% to 17.9% in women (p<0.0001) in all body mass index (BMI) groups except for obese II (according to the World Health Organization Asia-Pacific criteria) in men and underweight in women and almost all age groups. T2DM prevalence increased in men (from 9.0% to 10.7%, p=0.0234), and obesity and higher waist circumference rates increased in women (from 16.0% to 18.0%, p=0.0059 and from 8.1% to 10%, respectively, p=0.0006). The dietary nutrient intake increased with regard to the total fat, fat/energy ratio, saturated fatty acids, monounsaturated fatty acids, and n6/n3 fatty acid ratio in both men and women, and these nutrient trends were correlated with NAFLD prevalence (all p≤0.0005). Conclusion In Japan, NAFLD increased in both men and women regardless of the BMI and age, even after starting SHCs. An unbalanced fat intake may be one of the major reasons for this increase.
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Affiliation(s)
- Akira Sato
- Department of Health Management, St. Marianna University Yokohama Seibu Hospital, Japan
- Department of Clinical Examination, Sasaki Foundation Shonan Health Examination Center, Japan
| | - Yumiko Oomori
- Department of Clinical Examination, Sasaki Foundation Shonan Health Examination Center, Japan
| | - Rika Nakano
- Department of Radiology, Sasaki Foundation Shonan Health Examination Center, Japan
| | - Tomokazu Matsuura
- Medical Department, Sasaki Foundation Shonan Health Examination Center, Japan
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Min BH, Devi S, Kwon GH, Gupta H, Jeong JJ, Sharma SP, Won SM, Oh KK, Yoon SJ, Park HJ, Eom JA, Jeong MK, Hyun JY, Stalin N, Park TS, Choi J, Lee DY, Han SH, Kim DJ, Suk KT. Gut microbiota-derived indole compounds attenuate metabolic dysfunction-associated steatotic liver disease by improving fat metabolism and inflammation. Gut Microbes 2024; 16:2307568. [PMID: 38299316 PMCID: PMC10841017 DOI: 10.1080/19490976.2024.2307568] [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: 07/04/2023] [Accepted: 01/16/2024] [Indexed: 02/02/2024] Open
Abstract
Metabolic dysfunction-associated steatotic liver disease (MASLD) is the most common chronic liver disease, and its prevalence has increased worldwide in recent years. Additionally, there is a close relationship between MASLD and gut microbiota-derived metabolites. However, the mechanisms of MASLD and its metabolites are still unclear. We demonstrated decreased indole-3-propionic acid (IPA) and indole-3-acetic acid (IAA) in the feces of patients with hepatic steatosis compared to healthy controls. Here, IPA and IAA administration ameliorated hepatic steatosis and inflammation in an animal model of WD-induced MASLD by suppressing the NF-κB signaling pathway through a reduction in endotoxin levels and inactivation of macrophages. Bifidobacterium bifidum metabolizes tryptophan to produce IAA, and B. bifidum effectively prevents hepatic steatosis and inflammation through the production of IAA. Our study demonstrates that IPA and IAA derived from the gut microbiota have novel preventive or therapeutic potential for MASLD treatment.
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Affiliation(s)
- Byeong Hyun Min
- Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, Republic of Korea
| | - Shivani Devi
- Department of Life Science, Gachon University, Sungnam, Republic of Korea
| | - Goo Hyun Kwon
- Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, Republic of Korea
| | - Haripriya Gupta
- Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, Republic of Korea
| | - Jin-Ju Jeong
- Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, Republic of Korea
| | - Satya Priya Sharma
- Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, Republic of Korea
| | - Sung-Min Won
- Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, Republic of Korea
| | - Ki-Kwang Oh
- Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, Republic of Korea
| | - Sang Jun Yoon
- Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, Republic of Korea
| | - Hee Jin Park
- Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, Republic of Korea
| | - Jung A Eom
- Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, Republic of Korea
| | - Min Kyo Jeong
- Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, Republic of Korea
| | - Ji Ye Hyun
- Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, Republic of Korea
| | - Nattan Stalin
- Department of Life Science, Gachon University, Sungnam, Republic of Korea
| | - Tae-Sik Park
- Department of Life Science, Gachon University, Sungnam, Republic of Korea
| | - Jieun Choi
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, Research Institute of Agricultural and Life Sciences, Seoul National University, Seoul, Republic of Korea
| | - Do Yup Lee
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, Research Institute of Agricultural and Life Sciences, Seoul National University, Seoul, Republic of Korea
| | - Sang Hak Han
- Department of Pathology, Hallym University College of Medicine, Chuncheon, Republic of Korea
| | - Dong Joon Kim
- Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, Republic of Korea
| | - Ki Tae Suk
- Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, Republic of Korea
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Schwenger KJP, Ghorbani Y, Rezaei K, Fischer SE, Jackson TD, Okrainec A, Allard JP. Relationship between dietary intake components and hepatic fibrosis in those with obesity before and 1 year after bariatric surgery. Nutrition 2023; 114:112095. [PMID: 37437418 DOI: 10.1016/j.nut.2023.112095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 05/05/2023] [Accepted: 05/22/2023] [Indexed: 07/14/2023]
Abstract
OBJECTIVES Non-alcoholic fatty liver disease is highly prevalent in the bariatric population but not all patients develop liver fibrosis. Considering that fibrosis may affect clinical outcomes, it is important to assess and treat contributing factors. In this population, it is not clear whether dietary intake is a contributor. The objective was to determine the relationship between dietary intake components and liver fibrosis before and 1 y after Roux-en-Y gastric bypass (RYGB). METHODS This was a prospective cross-sectional (n = 133) study conducted between 2013 and 2022. In addition, a subgroup of 44 patients were followed for 1 y post-RYGB. Anthropometrics, biochemical measurements, and 3-d food records and liver biopsies were obtained presurgery and, in a subgroup of patients, as for the cohort, 1 y post-RYGB. RESULTS In the cross-sectional study, 78.2% were female, with a median age of 48 y and body mass index of 46.8 kg/m2; 33.8% had type 2 diabetes mellitus and 57.1% had metabolic syndrome. In a multivariate analysis, age (odds ratio; 95% CI) (1.076; 1.014-1.141), alanine transaminase (1.068; 1.025-1.112), calorie intake (1.001; 1.000-1.002), and dietary copper (0.127; 0.022-0.752) were independently associated with fibrosis (<0.05). At 1 y post-RYGB, no independent risk factors were associated with persistent fibrosis. CONCLUSIONS In bariatric patients before surgery, higher age, alanine transaminase, and total calorie and lower copper intakes were independent risk factors associated with liver fibrosis. These relationships were no longer observed after RYGB, likely due to the effect of surgery on weight and similar postsurgery diet among patients.
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Affiliation(s)
| | - Yasaman Ghorbani
- Toronto General Hospital, University Health Network, Toronto, Canada; Institute of Medical Science, University of Toronto, Toronto, Canada
| | - Kuorosh Rezaei
- Toronto General Hospital, University Health Network, Toronto, Canada
| | - Sandra E Fischer
- Toronto General Hospital, University Health Network, Toronto, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
| | - Timothy D Jackson
- Division of Surgery, University of Toronto, Toronto, Ontario, Canada; Division of General Surgery, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada
| | - Allan Okrainec
- Division of Surgery, University of Toronto, Toronto, Ontario, Canada; Division of General Surgery, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada
| | - Johane P Allard
- Toronto General Hospital, University Health Network, Toronto, Canada; Institute of Medical Science, University of Toronto, Toronto, Canada; Department of Medicine, University of Toronto, Toronto, Ontario, Canada; Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada.
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Björnson E, Samaras D, Adiels M, Kullberg J, Bäckhed F, Bergström G, Gummesson A. Mediating role of atherogenic lipoproteins in the relationship between liver fat and coronary artery calcification. Sci Rep 2023; 13:13217. [PMID: 37580332 PMCID: PMC10425432 DOI: 10.1038/s41598-023-39390-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 07/25/2023] [Indexed: 08/16/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is associated with increased secretion of apoB-containing lipoproteins and increased risk of coronary heart disease (CHD). ApoB-containing lipoproteins include low-density lipoproteins (LDLs) and triglyceride-rich lipoproteins (TRLs); and since both LDLs and TRLs are causally related to CHD, they may mediate a portion of the increased risk of atherosclerosis seen in people with NAFLD. In a cohort of 4161 middle aged men and women, we performed mediation analysis in order to quantify the mediating effect of apoB-containing lipoproteins in the relationship between liver fat and atherosclerosis-as measured by coronary artery calcium score (CACS). We found plasma apoB to mediate 17.6% (95% CI 11-24) of the association between liver fat and CACS. Plasma triglycerides and TRL-cholesterol (both proximate measures of TRL particles) mediated 22.3% (95% CI 11-34) and 21.6% (95% CI 10-33) of the association respectively; whereas LDL-cholesterol mediated 5.4% (95% CI 2.0-9.4). In multivariable models, the mediating effect of TRL-cholesterol and plasma triglycerides showed, again, a higher degree of mediation than LDL-cholesterol, corroborating the results seen in the univariable models. In summary, we find around 20% of the association between liver fat and CACS to be mediated by apoB-containing lipoproteins. In addition, we find that TRLs mediate the majority of this effect whereas LDLs mediate a smaller effect. These results explain part of the observed CAD-risk burden for people with NAFLD and further suggest that TRL-lowering may be particularly beneficial to mitigate NAFLD-associated coronary artery disease risk.
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Affiliation(s)
- Elias Björnson
- Wallenberg Laboratory, Department of Molecular and Clinical Medicine and Sahlgrenska Center for Cardiovascular and Metabolic Research, Sahlgrenska University Hospital, University of Gothenburg, 413 45, Gothenburg, Sweden.
| | - Dimitrios Samaras
- Wallenberg Laboratory, Department of Molecular and Clinical Medicine and Sahlgrenska Center for Cardiovascular and Metabolic Research, Sahlgrenska University Hospital, University of Gothenburg, 413 45, Gothenburg, Sweden
| | - Martin Adiels
- Wallenberg Laboratory, Department of Molecular and Clinical Medicine and Sahlgrenska Center for Cardiovascular and Metabolic Research, Sahlgrenska University Hospital, University of Gothenburg, 413 45, Gothenburg, Sweden
- School of Public Health and Community Medicine, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Joel Kullberg
- Section of Radiology, Department of Surgical Sciences, Uppsala University, 752 37, Uppsala, Sweden
- Antaros Medical, 431 83, Mölndal, Sweden
| | - Fredrik Bäckhed
- Wallenberg Laboratory, Department of Molecular and Clinical Medicine and Sahlgrenska Center for Cardiovascular and Metabolic Research, Sahlgrenska University Hospital, University of Gothenburg, 413 45, Gothenburg, Sweden
- Department of Clinical Physiology, Sahlgrenska University Hospital, Region Västra Götaland, 413 45, Gothenburg, Sweden
| | - Göran Bergström
- Wallenberg Laboratory, Department of Molecular and Clinical Medicine and Sahlgrenska Center for Cardiovascular and Metabolic Research, Sahlgrenska University Hospital, University of Gothenburg, 413 45, Gothenburg, Sweden
- Department of Clinical Physiology, Sahlgrenska University Hospital, Region Västra Götaland, 413 45, Gothenburg, Sweden
| | - Anders Gummesson
- Wallenberg Laboratory, Department of Molecular and Clinical Medicine and Sahlgrenska Center for Cardiovascular and Metabolic Research, Sahlgrenska University Hospital, University of Gothenburg, 413 45, Gothenburg, Sweden
- Department of Clinical Genetics, Sahlgrenska University Hospital, Region Västra Götaland, 413 45, Gothenburg, Sweden
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Cinque F, Cespiati A, Lombardi R, Guaraldi G, Sebastiani G. Nutritional and Lifestyle Therapy for NAFLD in People with HIV. Nutrients 2023; 15:nu15081990. [PMID: 37111209 PMCID: PMC10140991 DOI: 10.3390/nu15081990] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/17/2023] [Accepted: 04/19/2023] [Indexed: 04/29/2023] Open
Abstract
HIV infection and nonalcoholic fatty liver disease (NAFLD) are two major epidemics affecting millions of people worldwide. As people with HIV (PWH) age, there is an increased prevalence of metabolic comorbidities, along with unique HIV factors, such as HIV chronic inflammation and life-long exposure to antiretroviral therapy, which leads to a high prevalence of NAFLD. An unhealthy lifestyle, with a high dietary intake of refined carbohydrates, saturated fatty acids, fructose added beverages, and processed red meat, as well as physical inactivity, are known to trigger and promote the progression of NAFLD to nonalcoholic steatohepatitis, liver fibrosis, and hepatocellular carcinoma. Furthermore, with no currently approved pharmacotherapy and a lack of clinical trials that are inclusive of HIV, nutritional and lifestyle approaches still represent the most recommended treatments for PWH with NAFLD. While sharing common features with the general population, NAFLD in PWH displays its own peculiarities that may also reflect different impacts of nutrition and exercise on its onset and treatment. Therefore, in this narrative review, we aimed to explore the role of nutrients in the development of NAFLD in PWH. In addition, we discussed the nutritional and lifestyle approaches to managing NAFLD in the setting of HIV, with insights into the role of gut microbiota and lean NAFLD.
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Affiliation(s)
- Felice Cinque
- Division of Gastroenterology and Hepatology, and Chronic Viral Illness Service, McGill University Health Centre, Montreal, QC H4A 3J1, Canada
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy
- Medicine and Metabolic Disease Unit, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, 20122 Milan, Italy
| | - Annalisa Cespiati
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy
- Medicine and Metabolic Disease Unit, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, 20122 Milan, Italy
| | - Rosa Lombardi
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy
- Medicine and Metabolic Disease Unit, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, 20122 Milan, Italy
| | - Giovanni Guaraldi
- Modena HIV Metabolic Clinic, Department of Surgical, Medical, Dental and Morphological Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
- Infectious Diseases Unit, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy
| | - Giada Sebastiani
- Division of Gastroenterology and Hepatology, and Chronic Viral Illness Service, McGill University Health Centre, Montreal, QC H4A 3J1, Canada
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Tian A, Sun Z, Zhang M, Li J, Pan X, Chen P. Associations between dietary fatty acid patterns and non-alcoholic fatty liver disease in typical dietary population: A UK biobank study. Front Nutr 2023; 10:1117626. [PMID: 36824175 PMCID: PMC9942598 DOI: 10.3389/fnut.2023.1117626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 01/19/2023] [Indexed: 02/10/2023] Open
Abstract
Background and Aims Dietary fatty acid composition is associated with non-alcoholic fatty liver disease (NAFLD). Few evidence had identified a clear role of dietary fatty acid composition of typical diet in NAFLD. We aimed to investigate the relationship between dietary patterns and NAFLD in populations with typical diets and to explore the effect of fatty acid composition in dietary patterns on NAFLD. Methods Principal component analysis was used to identify 4 dietary patterns in UK Biobank participants. Logistic regression was used to estimate the association between dietary patterns and NAFLD. Mediation analysis was performed to evaluate the extent to which the relationship between dietary patterns and NAFLD was explained by dietary fatty acid combinations, as surrogated by serum fatty acids measured by nuclear magnetic resonance. Results A dietary fatty acid pattern (DFP1) characterized by "PUFA enriched vegetarian" was negatively associated with NAFLD risk. Serum fatty acids were significantly associated with DFP1 and NAFLD. Mediation analysis showed SFA (27.8%, p < 0.001), PUFA (25.1%, p < 0.001), ω-6 PUFA (14.3%, p < 0.001), LA (15.6%, p < 0.001) and DHA (10%, p < 0.001) had a significant indirect effect on the association between DFP1 and NAFLD. A dietary pattern characterized by "PUFA enriched carnivore" (DFP2) was not associated with NAFLD risk. Conclusion A "PUFA enriched vegetarian" dietary pattern with increased LA and DHA, may be beneficial for the treatment or prevention of NAFLD, while a "PUFA enriched carnivore" dietary pattern may not be harmful to NAFLD.
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Affiliation(s)
- Aowen Tian
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, Jilin, China,Department of Pathology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin, China
| | - Zewen Sun
- Department of Genetics, College of Basic Medical Sciences, Jilin University, Changchun, Jilin, China
| | - Miaoran Zhang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, Jilin, China,Department of Pathology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin, China
| | - Jiuling Li
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, Jilin, China,Department of Pathology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin, China
| | - Xingchen Pan
- Department of Genetics, College of Basic Medical Sciences, Jilin University, Changchun, Jilin, China,Department of Molecular Biology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin, China
| | - Peng Chen
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, Jilin, China,Department of Pathology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin, China,Department of Genetics, College of Basic Medical Sciences, Jilin University, Changchun, Jilin, China,*Correspondence: Peng Chen, ✉
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9
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What do we know about nutrient-based strategies targeting molecular mechanisms associated with obesity-related fatty liver disease? Ann Hepatol 2023; 28:100874. [PMID: 36371078 DOI: 10.1016/j.aohep.2022.100874] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 10/20/2022] [Indexed: 11/11/2022]
Abstract
Obesity is a risk factor for developing nonalcoholic fatty liver disease (NAFLD), and the associated molecular mechanisms could be targeted with nutrient-based strategies. Therefore, it is necessary to review the current mechanisms to propose further treatments. Obesity facilitates the onset of insulin resistance, lipidic abnormalities, hepatic fat accumulation, lipid peroxidation, mitochondrial dysfunction, excessive reactive oxygen species (ROS) production, and inflammation, all related to further steatosis progression and fibrosis. Microbiota alterations can also influence liver disease by the translocation of pathogenic bacteria, energy extraction from short chain fatty acids (SCFAs), intestinal suppression of the expression of fasting-induced adipose factor (FIAF), reduction of bile acids, and altered choline metabolism. There are also genetic polymorphisms in metabolic proteins that predispose to a higher risk of liver diseases, such as those found in the patatin-like phospholipase domain-containing 3 (PNPLA3), transmembrane 6 superfamily member 2 (TM6SF2), membrane-bound O-acyltransferase domain-containing 7 (MBOAT7) or also known as lysophosphatidylinositol acyltransferase 1 (LPIAT1), transmembrane channel-like 4 genes (TMC4), fat mass and obesity-associated protein (FTO), the b Klotho (KLB) and carboxylesterase (CES1). No clear dietary guidelines target all mechanisms related to NAFLD development and progression. However, energy and carbohydrate intake restriction, regular physical exercise, supplementation of antioxidants, and restoration of gut microbiota seem to have beneficial effects on the new proposed features of NAFLD.
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10
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Bronson SM, Westwood B, Cook KL, Emenaker NJ, Chappell MC, Roberts DD, Soto-Pantoja DR. Discrete Correlation Summation Clustering Reveals Differential Regulation of Liver Metabolism by Thrombospondin-1 in Low-Fat and High-Fat Diet-Fed Mice. Metabolites 2022; 12:1036. [PMID: 36355119 PMCID: PMC9697255 DOI: 10.3390/metabo12111036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 10/13/2022] [Accepted: 10/14/2022] [Indexed: 08/08/2023] Open
Abstract
Thrombospondin-1 (TSP1) is a matricellular protein with many important roles in mediating carcinogenesis, fibrosis, leukocyte recruitment, and metabolism. We have previously shown a role of diet in the absence of TSP1 in liver metabolism in the context of a colorectal cancer model. However, the metabolic implications of TSP1 regulation by diet in the liver metabolism are currently understudied. Therefore Discrete correlation summation (DCS) was used to re-interrogate data and determine the metabolic alterations of TSP1 deficiency in the liver, providing new insights into the role of TSP1 in liver injury and the progression of liver pathologies such as nonalcoholic fatty liver disease (NAFLD). DCS analysis provides a straightforward approach to rank covariance and data clustering when analyzing complex data sets. Using this approach, our previous liver metabolite data was re-analyzed by comparing wild-type (WT) and Thrombospondin-1 null (Thbs1-/-) mice, identifying changes driven by genotype and diet. Principal component analysis showed clustering of animals by genotype regardless of diet, indicating that TSP1 deficiency alters metabolite handling in the liver. High-fat diet consumption significantly altered over 150 metabolites in the Thbs1-/- livers versus approximately 90 in the wild-type livers, most involved in amino acid metabolism. The absence of Thbs1 differentially regulated tryptophan and tricarboxylic acid cycle metabolites implicated in the progression of NAFLD. Overall, the lack of Thbs1 caused a significant shift in liver metabolism with potential implications for liver injury and the progression of NAFLD.
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Affiliation(s)
- Steven M. Bronson
- Section of Molecular Medicine, Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
- Section of Comparative Medicine, Department of Pathology, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA
| | - Brian Westwood
- Department of Surgery, Hypertension & Vascular Research Center, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
| | - Katherine L. Cook
- Department of Surgery, Hypertension & Vascular Research Center, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
- Atrium Health Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, NC 27101, USA
| | - Nancy J. Emenaker
- Nutritional Science Research Group, Division of Cancer Prevention, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Mark C. Chappell
- Department of Surgery, Hypertension & Vascular Research Center, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
| | - David D. Roberts
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - David R. Soto-Pantoja
- Section of Molecular Medicine, Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
- Department of Surgery, Hypertension & Vascular Research Center, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
- Atrium Health Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, NC 27101, USA
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11
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Relationship between liver fat content and lifestyle factors in adults with metabolic syndrome. Sci Rep 2022; 12:17428. [PMID: 36261605 PMCID: PMC9581946 DOI: 10.1038/s41598-022-22361-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 10/13/2022] [Indexed: 01/12/2023] Open
Abstract
The aim of this study was to investigate the associations between liver fat content (LFC), sedentary behaviour (SB), physical activity (PA), fitness, diet, body composition, and cardiometabolic risk factors in adults with metabolic syndrome. A total of 44 sedentary adults (mean age 58 [SD 7] years; 25 women) with overweight or obesity participated. LFC was assessed with magnetic resonance spectroscopy and imaging, SB and PA with hip-worn accelerometers (26 [SD 3] days), fitness by maximal bicycle ergometry, body composition by air displacement plethysmography and nutrient intake by 4-day food diaries. LFC was not independently associated with SB, PA or fitness. Adjusted for sex and age, LFC was associated with body fat%, body mass index, waist circumference, triglycerides, alanine aminotransferase, and with insulin resistance markers. There was and inverse association between LFC and daily protein intake, which persisted after further adjusment with body fat%. LFC is positively associated with body adiposity and cardiometabolic risk factors, and inversely with daily protein intake. SB, habitual PA or fitness are not independent modulators of LFC. However, as PA is an essential component of healthy lifestyle, it may contribute to liver health indirectly through its effects on body composition in adults with metabolic syndrome.
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12
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Dong Y, Zhang Y, Feng Y, An W. The protective roles of augmenter of liver regeneration in hepatocytes in the non-alcoholic fatty liver disease. Front Pharmacol 2022; 13:928606. [PMID: 36304168 PMCID: PMC9592723 DOI: 10.3389/fphar.2022.928606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 09/20/2022] [Indexed: 11/23/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) occurs in 25% of the global population and manifests as lipid deposition, hepatocyte injury, activation of Kupffer and stellate cells, and steatohepatitis. Predominantly expressed in hepatocytes, the augmenter of liver regeneration (ALR) is a key factor in liver regulation that can alleviate fatty liver disease and protect the liver from abnormal liver lipid metabolism. ALR has three isoforms (15-, 21-, and 23-kDa), amongst which 23-kDa ALR is the most extensively studied. The 23-kDa ALR isoform is a sulfhydryl oxidase that resides primarily in the mitochondrial intermembrane space (IMS), whereby it protects the liver against various types of injury. In this review, we describe the role of ALR in regulating hepatocytes in the context of NAFLD. We also discuss questions about ALR that remain to be explored in the future. In conclusion, ALR appears to be a promising therapeutic target for treating NAFLD.
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Affiliation(s)
- Yuan Dong
- Department of Science and Technology, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Yuejie Zhang
- Department of Science and Technology, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Yingmei Feng
- Department of Science and Technology, Beijing Youan Hospital, Capital Medical University, Beijing, China
- *Correspondence: Yingmei Feng, ; Wei An,
| | - Wei An
- Department of Cell Biology, Capital Medical University and the Municipal Key Laboratory for Liver Protection and Regulation of Regeneration, Beijing, China
- *Correspondence: Yingmei Feng, ; Wei An,
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13
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Food and Gut Microbiota-Derived Metabolites in Nonalcoholic Fatty Liver Disease. Foods 2022; 11:foods11172703. [PMID: 36076888 PMCID: PMC9455821 DOI: 10.3390/foods11172703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/19/2022] [Accepted: 08/31/2022] [Indexed: 11/30/2022] Open
Abstract
Diet and lifestyle are crucial factors that influence the susceptibility of humans to nonalcoholic fatty liver disease (NAFLD). Personalized diet patterns chronically affect the composition and activity of microbiota in the human gut; consequently, nutrition-related dysbiosis exacerbates NAFLD via the gut–liver axis. Recent advances in diagnostic technology for gut microbes and microbiota-derived metabolites have led to advances in the diagnosis, treatment, and prognosis of NAFLD. Microbiota-derived metabolites, including tryptophan, short-chain fatty acid, fat, fructose, or bile acid, regulate the pathophysiology of NAFLD. The microbiota metabolize nutrients, and metabolites are closely related to the development of NAFLD. In this review, we discuss the influence of nutrients, gut microbes, their corresponding metabolites, and metabolism in the pathogenesis of NAFLD.
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14
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Manjarín R, Dillard K, Coffin M, Hernandez GV, Smith VA, Noland-Lidell T, Gehani TR, Smart HJ, Wheeler K, Sprayberry KA, Edwards MS, Fanter RK, Glanz H, Immoos C, Santiago-Rodriguez TM, Blank JM, Burrin DG, Piccolo BD, Abo-Ismail M, La Frano MR, Maj M. Dietary fat composition shapes bile acid metabolism and severity of liver injury in a pig model of pediatric NAFLD. Am J Physiol Endocrinol Metab 2022; 323:E187-E206. [PMID: 35858244 PMCID: PMC9423774 DOI: 10.1152/ajpendo.00052.2022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 06/09/2022] [Accepted: 07/09/2022] [Indexed: 11/22/2022]
Abstract
The objective of this study was to investigate the effect of dietary fatty acid (FA) composition on bile acid (BA) metabolism in a pig model of NAFLD, by using a multiomics approach combined with histology and serum biochemistry. Thirty 20-day-old Iberian pigs pair-housed in pens were randomly assigned to receive 1 of 3 hypercaloric diets for 10 wk: 1) lard-enriched (LAR; n = 5 pens), 2) olive oil-enriched (OLI; n = 5), and 3) coconut oil-enriched (COC; n = 5). Animals were euthanized on week 10 after blood sampling, and liver, colon, and distal ileum (DI) were collected for histology, metabolomics, and transcriptomics. Data were analyzed by multivariate and univariate statistics. Compared with OLI and LAR, COC increased primary and secondary BAs in liver, plasma, and colon. In addition, both COC and OLI reduced circulating fibroblast growth factor 19, increased hepatic necrosis, composite lesion score, and liver enzymes in serum, and upregulated genes involved in hepatocyte proliferation and DNA repair. The severity of liver disease in COC and OLI pigs was associated with increased levels of phosphatidylcholines, medium-chain triacylglycerides, trimethylamine-N-oxide, and long-chain acylcarnitines in the liver, and the expression of profibrotic markers in DI, but not with changes in the composition or size of BA pool. In conclusion, our results indicate a role of dietary FAs in the regulation of BA metabolism and progression of NAFLD. Interventions that aim to modify the composition of dietary FAs, rather than to regulate BA metabolism or signaling, may be more effective in the treatment of NAFLD.NEW & NOTEWORTHY Bile acid homeostasis and signaling is disrupted in NAFLD and may play a central role in the development of the disease. However, there are no studies addressing the impact of diet on bile acid metabolism in patients with NAFLD. In juvenile Iberian pigs, we show that fatty acid composition in high-fat high-fructose diets affects BA levels in liver, plasma, and colon but these changes were not associated with the severity of the disease.
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Affiliation(s)
- Rodrigo Manjarín
- Department of Animal Science, California Polytechnic State University, San Luis Obispo, California
| | - Kayla Dillard
- Department of Food Science and Nutrition, California Polytechnic State University, San Luis Obispo, California
| | - Morgan Coffin
- Department of Animal Science, California Polytechnic State University, San Luis Obispo, California
| | - Gabriella V Hernandez
- Department of Animal Science, California Polytechnic State University, San Luis Obispo, California
| | - Victoria A Smith
- Department of Animal Science, California Polytechnic State University, San Luis Obispo, California
| | - Trista Noland-Lidell
- Department of Animal Science, California Polytechnic State University, San Luis Obispo, California
| | - Tanvi R Gehani
- Department of Biomedical Engineering, California Polytechnic State University, San Luis Obispo, California
| | - Hayden J Smart
- Department of Animal Science, California Polytechnic State University, San Luis Obispo, California
| | - Kevin Wheeler
- Department of Biological Sciences, California Polytechnic State University, San Luis Obispo, California
| | - Kimberly A Sprayberry
- Department of Animal Science, California Polytechnic State University, San Luis Obispo, California
| | - Mark S Edwards
- Department of Animal Science, California Polytechnic State University, San Luis Obispo, California
| | - Rob K Fanter
- College of Agriculture, Food and Environmental Sciences, California Polytechnic State University, San Luis Obispo, California
- Center for Health Research, California Polytechnic State University, San Luis Obispo, California
| | - Hunter Glanz
- Department of Statistics, California Polytechnic State University, San Luis Obispo, California
| | - Chad Immoos
- Department of Chemistry and Biochemistry, California Polytechnic State University, San Luis Obispo, California
| | | | - Jason M Blank
- Department of Biological Sciences, California Polytechnic State University, San Luis Obispo, California
| | - Douglas G Burrin
- USDA-ARS Children's Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, Houston, Texas
| | - Brian D Piccolo
- USDA-ARS Arkansas Children's Nutrition Center, Little Rock, Arkansas
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Mohammed Abo-Ismail
- Department of Animal Science, California Polytechnic State University, San Luis Obispo, California
| | - Michael R La Frano
- Department of Food Science and Nutrition, California Polytechnic State University, San Luis Obispo, California
- Cal Poly Metabolomics Service Center, California Polytechnic State University, San Luis Obispo, California
| | - Magdalena Maj
- Department of Biological Sciences, California Polytechnic State University, San Luis Obispo, California
- Center for Applications in Biotechnology, California Polytechnic State University, San Luis Obispo, California
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15
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Shrestha A, Pradhananga S. Holistic Approach in the Management of Nonalcoholic Fatty Liver Disease. Euroasian J Hepatogastroenterol 2022; 12:S51-S58. [DOI: 10.5005/jp-journals-10018-1359] [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: 11/23/2022] Open
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16
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Campidelli MLL, Carneiro JDDDS, Souza ECD, Vilas Boas EVDB, Bertolucci SKV, Aazza S, de Oliveira RR, Chalfun-Junior A, Reis GLD, Seixas JN, Nelson DL, Pereira LJ. Baru almonds (Dipteryx alata Vog.) and baru almond paste promote metabolic modulation associated with antioxidant, anti-inflammatory, and neuroprotective effects. INNOV FOOD SCI EMERG 2022. [DOI: 10.1016/j.ifset.2022.103068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Metabolic dysfunction-associated fatty liver disease in obese youth with insulin resistance and type 2 diabetes. Curr Opin Pediatr 2022; 34:414-422. [PMID: 35836399 DOI: 10.1097/mop.0000000000001138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW The aim of this review is to present the new definition of the disease, defining the epidemiology, risk factors with a particular attention to the role of insulin resistance (IR) and to define the main treatments explored. RECENT FINDINGS Nonalcoholic fatty liver disease (NAFLD) was previously considered a primary liver disease, but it would be more correct to consider it a component of the metabolic syndrome (MetS) in which IR might play a key role. Based on these findings, it has been recently proposed to modify the classic term of NAFLD to metabolic dysfunction-associated fatty liver disease (MAFLD) that better reflects the pathophysiology of this complex disease. SUMMARY Currently, no treatments approved in childhood are available, thus the only recommended approach is the prevention and correction of the known risk factors, and particularly of IR. However, further studies are needed to better clarify the pathogenetic mechanisms of NAFLD in order to establish more tailored therapies.
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18
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Odegaard AO, Jacobs DR, Van Wagner LB, Pereira MA. Levels of abdominal adipose tissue and metabolic-associated fatty liver disease (MAFLD) in middle age according to average fast-food intake over the preceding 25 years: the CARDIA Study. Am J Clin Nutr 2022; 116:255-262. [PMID: 35679431 PMCID: PMC9257467 DOI: 10.1093/ajcn/nqac079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 03/28/2022] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Higher levels of intra-abdominal adipose tissue (IAAT) comprising visceral adipose tissue (VAT), intermuscular adipose tissue (IMAT), and liver fat are posited drivers of obesity-related chronic disease risk. Fast food is hypothesized to contribute to IAAT patterns. OBJECTIVES We quantified levels of abdominal subcutaneous adipose tissue (SAT), IAAT, and odds of metabolic-associated fatty liver disease (MAFLD) in middle age according to average fast-food intake over the preceding 25 y. METHODS We analyzed data from the Coronary Artery Risk Development in Young Adults (CARDIA) study. Participants underwent 6 clinical exams and measurements over 25 y with computed tomography-measured VAT, SAT, and IMAT (n = 3156), plus MAFLD defined by liver attenuation (≤40 Hounsfield units) and 1 metabolic abnormality at year 25 (2010, n = 3001, n cases = 302). We estimated means of VAT, SAT, IMAT, and liver attenuation at the year 25 exam according to categories of average fast-food intake over the previous 25 y adjusted for sociodemographic and lifestyle factors and logistic regression to estimate the odds ratio of MAFLD at year 25. RESULTS With higher average fast-food intake over 25 y (categorized as follows: never-1×/mo, >1×-3×/mo, 1-<2×/wk, 2-<3×/wk, ≥3×/wk), there were monotonic higher levels of VAT (98.5, 127.6, 134.5, 142.0, 145.5 cm3), P-trend < 0.0001, which were consistent across anthropometrically classified obesity categories. There was a similar pattern with liver fat. There were higher levels of IMAT and SAT with higher fast-food intake (P-trend = 0.003, 0.0002, respectively), with amounts leveling off at ≥2×/wk. In addition, compared with participants who ate fast food never-1×/mo, there were monotonic higher odds of having MAFLD at year 25 with higher average fast-food intake, with participants who ate fast food ≥3×/wk having an OR of MAFLD = 5.18 (95% CI: 2.87, 9.37). CONCLUSIONS There were monotonic higher levels of VAT, liver fat, and odds of having MAFLD in middle age according to higher average fast-food intake over the preceding 25 y.
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Affiliation(s)
- Andrew O Odegaard
- Department of Epidemiology and Biostatistics, University of California, Irvine, CA, USA
| | - David R Jacobs
- Department of Epidemiology and Community Health, University of Minnesota, Minneapolis, MN, USA
| | - Lisa B Van Wagner
- Department of Medicine, Division of Gastroenterology & Hepatology and Department of Preventive Medicine, Division of Epidemiology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Mark A Pereira
- Department of Epidemiology and Community Health, University of Minnesota, Minneapolis, MN, USA
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19
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da Silva BR, Rufato S, Mialich MS, Cruz LP, Gozzo T, Jordao AA. An Evaluation of Metabolic, Dietetic, and Nutritional Status Reveals Impaired Nutritional Outcomes in Breast Cancer Patients. Nutr Cancer 2022; 74:3611-3622. [PMID: 35762504 DOI: 10.1080/01635581.2022.2093388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Nutritional status can change in breast cancer patients after treatment. However, the metabolic implications of those alterations are poorly understood. We used a cross-sectional study design to compare body composition, lipids, glucose levels, and adiposity indices in breast cancer patients with a matched control and a healthy group. We recruited women who completed their chemotherapy (BC group) and compared them with a group of women without cancer age and body mass index-paired (MC group) and a group of healthy women (HC group). We estimated body composition by bioelectrical impedance analysis, physical function by handgrip strength, and food consumption by 24-hour food record. A blood sample was collected. We calculated visceral obesity indices (VAI and LAP) and insulin resistance-triglyceride glucose (TyG). Eighty-eight women were included (BC = 36, MC = 36, HC = 16). BC patients demonstrated worse phase angle values, nutritional risk index and lower handgrip strength. Additionally, according to the indices, BC had impairments in lipids, worse glucose levels, and elevated visceral fat adiposity and presented important unhealthy dietary patterns characterized by under-recommended protein consumption and higher caloric intake than the other groups. No differences were observed between both control groups. Further investigations are required to examine the underlying mechanisms and the potential longitudinal changes during surveillance.
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Affiliation(s)
- Bruna Ramos da Silva
- Department of Health Sciences, Ribeirão Preto Medical School, University of São Paulo (USP), São Paulo, Brazil
| | - Sarah Rufato
- Department of Health Sciences, Ribeirão Preto Medical School, University of São Paulo (USP), São Paulo, Brazil
| | - Mirele S Mialich
- Department of Health Sciences, Ribeirão Preto Medical School, University of São Paulo (USP), São Paulo, Brazil
| | - Loris P Cruz
- Nursing School of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Thais Gozzo
- Nursing School of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Alceu A Jordao
- Department of Health Sciences, Ribeirão Preto Medical School, University of São Paulo (USP), São Paulo, Brazil
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Li M, Lv M, Liu T, Du G, Wang Q. Lipid Metabolic Disorder Induced by Pyrethroids in Nonalcoholic Fatty Liver Disease of Xenopus laevis. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:8463-8474. [PMID: 35545903 DOI: 10.1021/acs.est.2c00516] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Pyrethroids, an effective and widely used class of pesticides, have attracted considerable concerns considering their frequent detection in environmental matrices. However, their potential health risks to amphibians remain unclear. In our study, female Xenopus laevis were exposed to 0, 0.06, and 0.3 μg/L typical pyrethroid, cis-bifenthrin (cis-BF), for 3 months. Elevated activities of both aspartate aminotransferase (AST) and alanine aminotransferase (ALT) were observed, indicating an ongoing liver injury. Furthermore, exposure to cis-BF led to hyperlipidemia and lipid accumulation in the liver of Xenopus. The targeted lipidomic analysis further revealed that treatment with cis-BF perturbed liver steroid homeostasis, as evidenced by the enriched lipids in the steroid biosynthesis pathway. Consistent with the targeted lipidomic result, treatment with cis-BF changed the liver transcriptome profile with induction of 808 and 1230 differentially expressed genes. Kyoto Encyclopedia of Genes and Genomes analysis underlined the adverse effects of cis-BF exposure on steroid biosynthesis, primary bile acid biosynthesis, and the PPAR signaling pathway in the Xenopus liver. Taken together, our study revealed that exposure to cis-BF at environmentally relevant concentrations resulted in lipid metabolic disorder associated with nonalcoholic fatty liver disease of X. laevis, and our results provided new insight into the potential long-term hazards of pyrethroids.
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Affiliation(s)
- Meng Li
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, China
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Meile Lv
- Lishui Ecological and Environmental Monitoring Center, Lishui 323000, China
| | - Tingting Liu
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, China
| | - Gaoyi Du
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, China
| | - Qiangwei Wang
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, China
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21
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Short-term high-fat and high-carbohydrate diets both increase susceptibility to liver injury by inducing hepatic procoagulant and proinflammatory conditions with different balances. Nutrition 2022; 101:111710. [DOI: 10.1016/j.nut.2022.111710] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 01/23/2022] [Accepted: 04/15/2022] [Indexed: 11/21/2022]
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22
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Chen HWJ, Marzo RR, Anton H, Abdalqader MA, Rajasekharan V, Baobaid MF, Hamzah H, Tang HC, Ads HO. Dietary habits, shopping behavior and weight gain during COVID-19 pandemic lockdown among students in a private university in Selangor, Malaysia. J Public Health Res 2022; 10:10.4081_jphr.2021.2921. [PMID: 35898932 PMCID: PMC9310253 DOI: 10.4081/jphr.2021.2921] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 03/16/2022] [Accepted: 03/21/2022] [Indexed: 11/29/2022] Open
Abstract
Background Due to the global surge in COVID-19 cases, numerous countries have enforced
lockdowns of varying stringency. Social isolation and stay-at-home orders
have detrimental effects on one's lifestyle and dietary habits. This study
aimed to assess the dietary patterns, food preferences, shopping behavior
and weight gain during the lockdown among students in a private university
in Malaysia. Design and Methods We conducted a cross-sectional study among 426 students using convenience
sampling method one-month after initiating the Conditional Movement Control
Order (November 15-30, 2020), using a validated self-administered web-based
survey. Chi-square test with post-hoc and planned comparison procedures were
performed. Results Of the 426 participants, more than half were females (55.9%). Over half of
the surveyed students reported increased eating (51.2%), snacking (55.2%)
and online food ordering (71.1%) during the lockdown. Meat products and
sweet drinks (both >90%) were the most consumed food among individuals
with higher BMI. 45.5% of the participants reported weight gain (mean 3.36,
SD 1.61kg) one month after the lockdown. Female, youth (aged 19-24), working
remotely, increased eating, snacking, cooking, and online food ordering were
positively associated with weight gain. Conclusions Findings suggested that unintended consequences of lockdown have negative
impacts on dietary habits and food preferences among university students.
Advocacy and public health measures for nutritional support amidst the
pandemic are crucial, especially for at-risk groups such as overweight and
obese individuals.
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Abstract
Nonalcoholic fatty liver disease (NAFLD) can develop in lean individuals. Despite a better metabolic profile, the risk of disease progression to hepatic inflammation, fibrosis, and decompensated cirrhosis in the lean is similar to that in obesity-related NAFLD and lean individuals may experience more severe hepatic consequences and higher mortality relative to those with a higher body mass index (BMI). In the absence of early symptoms and abnormal laboratory findings, lean individuals are not likely to be screened for NAFLD or related comorbidities; however, given the progressive nature of the disease and the increased risk of morbidity and mortality, a clearer understanding of the natural history of NAFLD in lean individuals, as well as efforts to raise awareness of the potential health risks of NAFLD in lean individuals, are warranted. In this review, we summarize available data on NAFLD prevalence, clinical characteristics, outcomes, and mortality in lean individuals and discuss factors that may contribute to the development of NAFLD in this population, including links between dietary and genetic factors, menopausal status, and ethnicity. We also highlight the need for greater representation of lean individuals in NAFLD-related clinical trials, as well as more studies to better characterize lean NAFLD, develop improved screening algorithms, and determine specific treatment strategies based on underlying etiology.
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Affiliation(s)
- Johanna K. DiStefano
- Diabetes and Fibrotic Disease Research Unit, Translational Genomics Research Institute, Phoenix, USA
| | - Glenn S. Gerhard
- Lewis Katz School of Medicine, Temple University School of Medicine, Philadelphia, PA 19140 USA
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Combination of TRP channel dietary agonists induces energy expending and glucose utilizing phenotype in HFD-fed mice. Int J Obes (Lond) 2022; 46:153-161. [PMID: 34564707 DOI: 10.1038/s41366-021-00967-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 08/21/2021] [Accepted: 09/09/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND Bioactive dietary constituents activating Transient receptor potential (TRP) channels have emerged as promising candidates for the prevention of metabolic disorders. OBJECTIVE The present study is an attempt to evaluate anti-obesity potential of a dietary TRP-based tri-agonist, combination of sub-effective doses of capsaicin (TRPV1 agonist), menthol (TRPM8 agonist), and cinnamaldehyde (TRPA1 agonist) in high-fat diet (HFD)-fed mice. DESIGN Male C57BL/6 J mice divided into three groups (n = 8), were fed on normal pellet diet (NPD), or high-fat diet (HFD) (60% energy by fat) and HFD + CB (combination of capsaicin 0.4 mg/Kg, menthol 20 mg/Kg, and cinnamaldehyde 2 mg/Kg; p.o) for 12 weeks. Effects on HFD-induced weight gain, biochemical, histological and genomic changes in the WAT, BAT, liver and hypothalamus tissues were studied. RESULTS Administration of tri-agonist prevented HFD-induced increase in weight gain, improved altered morphometric parameters, glucose homeostasis, and adipose tissue hypertrophy. Tri-agonist supplementation was found to induce browning of white adipose tissue and promote brown adipose tissue activation. Enhanced glucose utilization and prevention of lipid accumulation and insulin resistance in the liver was observed in mice supplemented with a tri-agonist. CONCLUSION The present work provides evidence that the new approach based on combination of sub-effective doses of TRP channel agonists (TRI-AGONIST) can be employed to develop concept-based functional food for therapeutic and preventive strategies against HFD-associated pathological complications.
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Li ML, Chen SH, Lee CN, Yao HT. Citrus depressa Hayata Peel Ameliorates Nonalcoholic Fatty Liver and Modulates the Hepatic Drug-metabolizing Enzymes and Transporters in Rats Fed a High-fat Diet. Food Funct 2022; 13:3353-3367. [DOI: 10.1039/d1fo03597e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Citrus depressa Hayata is a small, green citrus fruit native to Taiwan and Japan. The citrus peel contains polymethoxylated flavones, including nobiletin and tangeretin, and might have strong antioxidant and...
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Meneses MJ, Sousa-Lima I, Jarak I, Raposo JF, Alves MG, Macedo MP. Distinct impacts of fat and fructose on the liver, muscle, and adipose tissue metabolome: An integrated view. Front Endocrinol (Lausanne) 2022; 13:898471. [PMID: 36060961 PMCID: PMC9428722 DOI: 10.3389/fendo.2022.898471] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 07/12/2022] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE In the last years, changes in dietary habits have contributed to the increasing prevalence of metabolic disorders, such as non-alcoholic fatty liver disease (NAFLD) and type 2 diabetes mellitus (T2DM). The differential burden of lipids and fructose on distinct organs needs to be unveiled. Herein, we hypothesized that high-fat and high-fructose diets differentially affect the metabolome of insulin-sensitive organs such as the liver, muscle, and different adipose tissue depots. METHODS We have studied the impact of 12 weeks of a control (11.50% calories from fat, 26.93% from protein, and 61.57% from carbohydrates), high-fat/sucrose (HFat), or high-fructose (HFruct) feeding on C57Bl/6J male mice. Besides glucose homeostasis, we analyzed the hepatic levels of glucose and lipid-metabolism-related genes and the metabolome of the liver, the muscle, and white (WAT) and brown adipose tissue (BAT) depots. RESULTS HFat diet led to a more profound impact on hepatic glucose and lipid metabolism than HFruct, with mice presenting glucose intolerance, increased saturated fatty acids, and no glycogen pool, yet both HFat and HFruct presented hepatic insulin resistance. HFat diet promoted a decrease in glucose and lactate pools in the muscle and an increase in glutamate levels. While HFat had alterations in BAT metabolites that indicate increased thermogenesis, HFruct led to an increase in betaine, a protective metabolite against fructose-induced inflammation. CONCLUSIONS Our data illustrate that HFat and HFruct have a negative but distinct impact on the metabolome of the liver, muscle, WAT, and BAT.
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Affiliation(s)
- Maria João Meneses
- iNOVA4Health, NOVA Medical School/Faculdade de Ciências Médicas (NMS/FCM), Universidade Nova de Lisboa, Lisbon, Portugal
- Portuguese Diabetes Association - Education and Research Center (APDP-ERC), Lisbon, Portugal
| | - Inês Sousa-Lima
- iNOVA4Health, NOVA Medical School/Faculdade de Ciências Médicas (NMS/FCM), Universidade Nova de Lisboa, Lisbon, Portugal
| | - Ivana Jarak
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
- Department of Anatomy and Unit for Multidisciplinary Research in Biomedicine (UMIB), Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal
| | - João F. Raposo
- iNOVA4Health, NOVA Medical School/Faculdade de Ciências Médicas (NMS/FCM), Universidade Nova de Lisboa, Lisbon, Portugal
- Portuguese Diabetes Association - Education and Research Center (APDP-ERC), Lisbon, Portugal
| | - Marco G. Alves
- Department of Anatomy and Unit for Multidisciplinary Research in Biomedicine (UMIB), Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal
| | - Maria Paula Macedo
- iNOVA4Health, NOVA Medical School/Faculdade de Ciências Médicas (NMS/FCM), Universidade Nova de Lisboa, Lisbon, Portugal
- Portuguese Diabetes Association - Education and Research Center (APDP-ERC), Lisbon, Portugal
- Medical Sciences Department, University of Aveiro, Aveiro, Portugal
- *Correspondence: Maria Paula Macedo,
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Non-alcoholic fatty liver disease in obese children and adolescents: a role for nutrition? Eur J Clin Nutr 2022; 76:28-39. [PMID: 34006994 DOI: 10.1038/s41430-021-00928-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 04/06/2021] [Accepted: 04/16/2021] [Indexed: 02/08/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) has become the most common cause of chronic liver disease in children, paralleling the increasing prevalence of obesity worldwide. The pathogenesis of paediatric NAFLD is not fully understood, but it is known that obesity, nutrition, lifestyle variables, genetic and epigenetic factors may be causally involved in the development of this common metabolic liver disease. In particular, obesity and nutrition are among the strongest risk factors for paediatric NAFLD, which may exert their adverse hepatic effects already before birth. Excess energy intake induces hypertrophy and hyperplasia of adipose tissue with subsequent development of systemic insulin resistance, which is another important risk factor for NAFLD. Diet composition and in particular simple carbohydrate intake (especially high fructose intake) may promote the development of NAFLD, whereas non-digestible carbohydrates (dietary fiber), by affecting gut microbiota, may favour the integrity of gut wall and reduce inflammation, opposing this process. Saturated fat intake may also promote NAFLD development, whereas unsaturated fat intake has some beneficial effects. Protein intake does not seem to affect the development of NAFLD, but further investigation is needed. In conclusion, lifestyle modifications to induce weight loss, through diet and physical activity, remain the mainstay of treatment for paediatric NAFLD. The use of dietary supplements, such as omega-3 fatty acids and probiotics, needs further study before recommendation.
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Abstract
Abstract
Non-alcoholic fatty liver disease (NAFLD) is now the most common cause of chronic liver disease, worldwide. The molecular pathogenesis of NAFLD is complex, involving numerous signalling molecules including microRNAs (miRNAs). Dysregulation of miRNA expression is associated with hepatic inflammation, fibrosis and hepatocellular carcinoma. Although miRNAs are also critical to the cellular response to vitamin D, mediating regulation of the vitamin D receptor (VDR) and vitamin D’s anticancer effects, a role for vitamin D regulated miRNAs in NAFLD pathogenesis has been relatively unexplored. Therefore, this review aimed to critically assess the evidence for a potential subset of miRNAs that are both dysregulated in NAFLD and modulated by vitamin D. Comprehensive review of 89 human studies identified 25 miRNAs found dysregulated in more than one NAFLD study. In contrast, only 17 studies, including a protocol for a trial in NAFLD, had examined miRNAs in relation to vitamin D status, response to supplementation, or vitamin D in the context of the liver. This paper summarises these data and reviews the biological roles of six miRNAs (miR-21, miR-30, miR-34, miR-122, miR-146, miR-200) found dysregulated in multiple independent NAFLD studies. While modulation of miRNAs by vitamin D has been understudied, integrating the data suggests seven vitamin D modulated miRNAs (miR-27, miR-125, miR-155, miR-192, miR-223, miR-375, miR-378) potentially relevant to NAFLD pathogenesis. Our summary tables provide a significant resource to underpin future hypothesis-driven research, and we conclude that the measurement of serum and hepatic miRNAs in response to vitamin D supplementation in larger trials is warranted.
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Ma Y, Yin X, Qin Z, Ke X, Mi Y, Zheng P, Tang Y. Role of Plin5 Deficiency in Progression of Non-Alcoholic Fatty Liver Disease Induced by a High-Fat Diet in Mice. J Comp Pathol 2021; 189:88-97. [PMID: 34886991 DOI: 10.1016/j.jcpa.2021.10.002] [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: 04/22/2021] [Revised: 05/14/2021] [Accepted: 10/04/2021] [Indexed: 11/23/2022]
Abstract
Characterized by steatosis, inflammation and fibrosis, non-alcoholic fatty liver disease (NAFLD) is a metabolic disorder. As a major lipid droplet-binding protein, Plin5 has been reported to have multiple effects on metabolism, but the effect of Plin5 deficiency on NAFLD is unknown. Plin5 knockout mice and wild-type mice were used to investigate the role of Plin5 in the progression of NAFLD by feeding a high-fat diet (HFD) for 20 weeks. Plin5 deficiency improved obesity induced by the HFD and altered glucose tolerance. Histological examination revealed that Plin5 deficiency alleviated hepatic steatosis and fibrosis induced by the HFD. Plin5 deficiency was also associated with a significant change in lipid metabolism-associated molecules. Further studies of these molecules indicated that Plin5 deficiency activated the expression of AMP-activated protein kinase and inhibited the core regulator of lipogenesis, sterol regulatory element binding protein 1 and its downstream lipid synthesis-related genes. These findings suggest that Plin5 deficiency ameliorates NAFLD by regulating lipid metabolism and inhibiting lipogenesis, and may provide a new strategy for the treatment of NAFLD.
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Affiliation(s)
- Yuying Ma
- Academy of Medical Sciences, Zhengzhou, Henan, China; Department of Gastroenterology and Hepatology, Key Laboratory of H. Pylori and Gastrointestinal Microecology of Henan Province, Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Xuecui Yin
- Academy of Medical Sciences, Zhengzhou, Henan, China; Department of Gastroenterology and Hepatology, Key Laboratory of H. Pylori and Gastrointestinal Microecology of Henan Province, Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Zhenzhen Qin
- Department of Endocrine Geriatrics, Seventh People's Hospital of Zhengzhou, Zhengzhou, Henan, China
| | - Xiaofei Ke
- Department of Pediatrics, Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yang Mi
- Department of Gastroenterology and Hepatology, Key Laboratory of H. Pylori and Gastrointestinal Microecology of Henan Province, Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Pengyuan Zheng
- Department of Gastroenterology and Hepatology, Key Laboratory of H. Pylori and Gastrointestinal Microecology of Henan Province, Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Youcai Tang
- Department of Gastroenterology and Hepatology, Key Laboratory of H. Pylori and Gastrointestinal Microecology of Henan Province, Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China; Department of Pediatrics, Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China; Henan Key Laboratory of Rehabilitation Medicine, Henan Joint International Research Laboratory of Chronic Liver Injury, Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
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Guo X, Zheng J, Zhang S, Jiang X, Chen T, Yu J, Wang S, Ma X, Wu C. Advances in Unhealthy Nutrition and Circadian Dysregulation in Pathophysiology of NAFLD. FRONTIERS IN CLINICAL DIABETES AND HEALTHCARE 2021; 2:691828. [PMID: 36994336 PMCID: PMC10012147 DOI: 10.3389/fcdhc.2021.691828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 09/27/2021] [Indexed: 11/13/2022]
Abstract
Unhealthy diets and lifestyle result in various metabolic conditions including metabolic syndrome and non-alcoholic fatty liver disease (NAFLD). Much evidence indicates that disruption of circadian rhythms contributes to the development and progression of excessive hepatic fat deposition and inflammation, as well as liver fibrosis, a key characteristic of non-steatohepatitis (NASH) or the advanced form of NAFLD. In this review, we emphasize the importance of nutrition as a critical factor in the regulation of circadian clock in the liver. We also focus on the roles of the rhythms of nutrient intake and the composition of diets in the regulation of circadian clocks in the context of controlling hepatic glucose and fat metabolism. We then summarize the effects of unhealthy nutrition and circadian dysregulation on the development of hepatic steatosis and inflammation. A better understanding of how the interplay among nutrition, circadian rhythms, and dysregulated metabolism result in hepatic steatosis and inflammation can help develop improved preventive and/or therapeutic strategies for managing NAFLD.
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Affiliation(s)
- Xin Guo
- Department of Nutrition and Food Hygiene, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China
- *Correspondence: Xin Guo, ; Chaodong Wu,
| | - Juan Zheng
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Shixiu Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Xiaofan Jiang
- Department of Nutrition and Food Hygiene, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Ting Chen
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Jiayu Yu
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Shu'e Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Xiaomin Ma
- Department of Nutrition and Food Hygiene, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Chaodong Wu
- Department of Nutrition, Texas A&M University, College Station, TX, United States
- *Correspondence: Xin Guo, ; Chaodong Wu,
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Wiśniewska A, Stachowicz A, Kuś K, Ulatowska-Białas M, Totoń-Żurańska J, Kiepura A, Stachyra K, Suski M, Gajda M, Jawień J, Olszanecki R. Inhibition of Atherosclerosis and Liver Steatosis by Agmatine in Western Diet-Fed apoE-Knockout Mice Is Associated with Decrease in Hepatic De Novo Lipogenesis and Reduction in Plasma Triglyceride/High-Density Lipoprotein Cholesterol Ratio. Int J Mol Sci 2021; 22:ijms221910688. [PMID: 34639029 PMCID: PMC8509476 DOI: 10.3390/ijms221910688] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/26/2021] [Accepted: 09/28/2021] [Indexed: 12/15/2022] Open
Abstract
Atherosclerosis and NAFLD are the leading causes of death worldwide. The hallmark of NAFLD is triglyceride accumulation caused by an imbalance between lipogenesis de novo and fatty acid oxidation. Agmatine, an endogenous metabolite of arginine, exerts a protective effect on mitochondria and can modulate fatty acid metabolism. In the present study, we investigate the influence of agmatine on the progression of atherosclerotic lesions and the development of hepatic steatosis in apoE−/− mice fed with a Western high-fat diet, with a particular focus on its effects on the DNL pathway in the liver. We have proved that treatment of agmatine inhibits the progression of atherosclerosis and attenuates hepatic steatosis in apoE−/− mice on a Western diet. Such effects are associated with decreased total macrophage content in atherosclerotic plaque as well as a decrease in the TG levels and the TG/HDL ratio in plasma. Agmatine also reduced TG accumulation in the liver and decreased the expression of hepatic genes and proteins involved in lipogenesis de novo such as SREBP-1c, FASN and SCD1. In conclusion, agmatine may present therapeutic potential for the treatment of atherosclerosis and fatty liver disease. However, an exact understanding of the mechanisms of the advantageous actions of agmatine requires further study.
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Affiliation(s)
- Anna Wiśniewska
- Chair of Pharmacology, Faculty of Medicine, Jagiellonian University Medical College, 31-531 Cracow, Poland; (A.W.); (A.S.); (K.K.); (J.T.-Ż.); (A.K.); (K.S.); (M.S.); (J.J.)
| | - Aneta Stachowicz
- Chair of Pharmacology, Faculty of Medicine, Jagiellonian University Medical College, 31-531 Cracow, Poland; (A.W.); (A.S.); (K.K.); (J.T.-Ż.); (A.K.); (K.S.); (M.S.); (J.J.)
| | - Katarzyna Kuś
- Chair of Pharmacology, Faculty of Medicine, Jagiellonian University Medical College, 31-531 Cracow, Poland; (A.W.); (A.S.); (K.K.); (J.T.-Ż.); (A.K.); (K.S.); (M.S.); (J.J.)
| | | | - Justyna Totoń-Żurańska
- Chair of Pharmacology, Faculty of Medicine, Jagiellonian University Medical College, 31-531 Cracow, Poland; (A.W.); (A.S.); (K.K.); (J.T.-Ż.); (A.K.); (K.S.); (M.S.); (J.J.)
| | - Anna Kiepura
- Chair of Pharmacology, Faculty of Medicine, Jagiellonian University Medical College, 31-531 Cracow, Poland; (A.W.); (A.S.); (K.K.); (J.T.-Ż.); (A.K.); (K.S.); (M.S.); (J.J.)
| | - Kamila Stachyra
- Chair of Pharmacology, Faculty of Medicine, Jagiellonian University Medical College, 31-531 Cracow, Poland; (A.W.); (A.S.); (K.K.); (J.T.-Ż.); (A.K.); (K.S.); (M.S.); (J.J.)
| | - Maciej Suski
- Chair of Pharmacology, Faculty of Medicine, Jagiellonian University Medical College, 31-531 Cracow, Poland; (A.W.); (A.S.); (K.K.); (J.T.-Ż.); (A.K.); (K.S.); (M.S.); (J.J.)
| | - Mariusz Gajda
- Department of Histology, Jagiellonian University Medical College, 31-034 Cracow, Poland;
| | - Jacek Jawień
- Chair of Pharmacology, Faculty of Medicine, Jagiellonian University Medical College, 31-531 Cracow, Poland; (A.W.); (A.S.); (K.K.); (J.T.-Ż.); (A.K.); (K.S.); (M.S.); (J.J.)
| | - Rafał Olszanecki
- Chair of Pharmacology, Faculty of Medicine, Jagiellonian University Medical College, 31-531 Cracow, Poland; (A.W.); (A.S.); (K.K.); (J.T.-Ż.); (A.K.); (K.S.); (M.S.); (J.J.)
- Correspondence: ; Tel.: +48-12-421-1168
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Relationship between Dietary Fatty Acid Intake with Nonalcoholic Fatty Liver Disease and Liver Fibrosis in People with HIV. Nutrients 2021; 13:nu13103462. [PMID: 34684463 PMCID: PMC8539489 DOI: 10.3390/nu13103462] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 09/20/2021] [Accepted: 09/20/2021] [Indexed: 11/16/2022] Open
Abstract
We aimed to evaluate the relationship between food intake of lipids with nonalcoholic fatty liver disease (NAFLD) and/or liver fibrosis in people living with HIV/AIDS (PLWHA). In this cross-sectional study, transient elastography was used to detect the presence of NAFLD and/or liver fibrosis. The dietary intake of fats and fatty acids (FA) were assessed by two 24 h dietary recalls (24-HDR) (n = 451). Multivariate logistic regression models were performed. Participants with higher intake of total fat were associated with higher odds for NAFLD compared to those with lower consumption [adjusted odds ratio (aOR) = 1.91 (95% confidence interval (95% CI) 1.06-3.44)]. Furthermore, participants with intermediate intake of n6-PUFA (n6-poly-unsaturated FA) and lauric FA had lower odds for NAFLD, respectively aOR = 0.54 (95% CI 0.3-0.98) and aOR = 0.42 (95% CI 0.22-0.78). Additionally, a higher intake of myristoleic FA (fourth quartile) was a significant protective factor for NAFLD [aOR = 0.56 (95% CI 0.32-0.99)]. Participants with higher intake of lauric FA [0.38 (95% CI 0.18-0.80)], myristic FA [0.38 (0.17-0.89)], palmitoleic FA [0.40 (0.19-0.82)] and oleic FA [0.35 (0.16-0.79)] had positively less odds of having liver fibrosis. On the other hand, higher intake of n-6 PUFA was significantly associated with fibrosis [aOR = 2.45 (95% CI 1.12-5.32)]. Dietary assessment of total fat and FA should be incorporated into HIV care as a tool for preventing NAFLD and fibrosis in PLWHA.
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Yang M, Yin Y, Wang F, Zhang H, Ma X, Yin Y, Tan B, Chen J. Supplementation With Lycium barbarum Polysaccharides Reduce Obesity in High-Fat Diet-Fed Mice by Modulation of Gut Microbiota. Front Microbiol 2021; 12:719967. [PMID: 34512598 PMCID: PMC8427603 DOI: 10.3389/fmicb.2021.719967] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 07/09/2021] [Indexed: 01/12/2023] Open
Abstract
Lycium barbarum polysaccharides (LBPs) have been proved to prevent obesity and modulate gut microbiota. However, the underlying mechanisms of LBPs’ regulating lipid metabolism remain entirely unclear. Therefore, the purpose of this study was to determine whether LBPs are able to modulate the gut microbiota to prevent obesity. The results showed that oral administration of LBPs alleviated dyslipidemia by decreasing the serum levels of total triglycerides, total cholesterol, and low-density lipoprotein-cholesterol and elevating the high-density lipoprotein cholesterol in obese mice. Furthermore, LBP treatment decreased the number and size of adipocytes in epididymal adipose tissues and downregulated the expression of adipogenesis-related genes, including acetyl-CoA carboxylase 1, fatty acid synthase, stearoyl-CoA desaturase 1, sterol regulatory element-binding protein-1c, peroxisome proliferator-activated receptor γ, and CCAAT/enhancer-binding protein α. 16S rRNA gene sequencing analysis showed that LBPs increased the diversity of bacteria, reduced the Firmicutes/Bacteroidetes ratio, and improved the gut dysbiosis induced by a high-fat diet; for example, LBPs increased the production of short-chain fatty acid-producing bacteria Lacticigenium, Lachnospiraceae_NK4A136_group, and Butyricicoccus. LBPs treatment also increased the content of fecal short-chain fatty acids, including butyric acid. These findings illustrate that LBPs might be developed as a potential prebiotic to improve lipid metabolism and intestinal diseases.
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Affiliation(s)
- Mei Yang
- Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
| | - Yexin Yin
- Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
| | - Fang Wang
- Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
| | - Haihan Zhang
- Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
| | - Xiaokang Ma
- Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
| | - Yulong Yin
- Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha, China.,CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Changsha, China
| | - Bie Tan
- Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
| | - Jiashun Chen
- Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha, China.,CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Changsha, China
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Franco-Juárez B, Gómez-Manzo S, Hernández-Ochoa B, Cárdenas-Rodríguez N, Arreguin-Espinosa R, Pérez de la Cruz V, Ortega-Cuellar D. Effects of High Dietary Carbohydrate and Lipid Intake on the Lifespan of C. elegans. Cells 2021; 10:cells10092359. [PMID: 34572007 PMCID: PMC8465757 DOI: 10.3390/cells10092359] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 08/27/2021] [Accepted: 09/06/2021] [Indexed: 12/18/2022] Open
Abstract
Health and lifespan are influenced by dietary nutrients, whose balance is dependent on the supply or demand of each organism. Many studies have shown that an increased carbohydrate–lipid intake plays a critical role in metabolic dysregulation, which impacts longevity. Caenorhabditis elegans has been successfully used as an in vivo model to study the effects of several factors, such as genetic, environmental, diet, and lifestyle factors, on the molecular mechanisms that have been linked to healthspan, lifespan, and the aging process. There is evidence showing the causative effects of high glucose on lifespan in different diabetic models; however, the precise biological mechanisms affected by dietary nutrients, specifically carbohydrates and lipids, as well as their links with lifespan and longevity, remain unknown. Here, we provide an overview of the deleterious effects caused by high-carbohydrate and high-lipid diets, as well as the molecular signals that affect the lifespan of C. elegans; thus, understanding the detailed molecular mechanisms of high-glucose- and lipid-induced changes in whole organisms would allow the targeting of key regulatory factors to ameliorate metabolic disorders and age-related diseases.
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Affiliation(s)
- Berenice Franco-Juárez
- Departamento de Neurodesarrollo y Fisiología, División de Neurociencias, Instituto de Fisiología Celular, UNAM, Ciudad de México 04510, Mexico;
| | - Saúl Gómez-Manzo
- Laboratorio de Bioquímica Genética, Instituto Nacional de Pediatría, Secretaría de Salud, Ciudad de México 04530, Mexico;
| | - Beatriz Hernández-Ochoa
- Laboratorio de Inmunoquímica, Hospital Infantil de México Federico Gómez, Secretaría de Salud, Ciudad de México 06720, Mexico;
| | - Noemi Cárdenas-Rodríguez
- Laboratorio de Neurociencias, Instituto Nacional de Pediatría, Secretaría de Salud, Ciudad de México 04530, Mexico;
| | - Roberto Arreguin-Espinosa
- Departamento de Química de Biomacromoléculas, Instituto de Química, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico;
| | - Verónica Pérez de la Cruz
- Neurochemistry and Behavior Laboratory, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Ciudad de México 14269, Mexico;
| | - Daniel Ortega-Cuellar
- Laboratorio de Nutrición Experimental, Instituto Nacional de Pediatría, Secretaría de Salud, Ciudad de México 04530, Mexico
- Correspondence: ; Tel.: +52-55-1084-0900
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Zhang X, Hu Y, Ansari AR, Akhtar M, Chen Y, Cheng R, Cui L, Nafady AA, Elokil AA, Abdel-Kafy ESM, Liu H. Caecal microbiota could effectively increase chicken growth performance by regulating fat metabolism. Microb Biotechnol 2021; 15:844-861. [PMID: 34264533 PMCID: PMC8913871 DOI: 10.1111/1751-7915.13841] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 05/12/2021] [Accepted: 05/13/2021] [Indexed: 12/15/2022] Open
Abstract
It has been established that gut microbiota influences chicken growth performance and fat metabolism. However, whether gut microbiota affects chicken growth performance by regulating fat metabolism remains unclear. Therefore, seven‐week‐old chickens with high or low body weight were used in the present study. There were significant differences in body weight, breast and leg muscle indices, and cross‐sectional area of muscle cells, suggesting different growth performance. The relative abundance of gut microbiota in the caecal contents at the genus level was compared by 16S rRNA gene sequencing. The results of LEfSe indicated that high body weight chickens contained Microbacterium and Sphingomonas more abundantly (P < 0.05). In contrast, low body weight chickens contained Slackia more abundantly (P < 0.05). The results of H & E, qPCR, IHC, WB and blood analysis suggested significantly different fat metabolism level in serum, liver, abdominal adipose, breast and leg muscles between high and low body weight chickens. Spearman correlation analysis revealed that fat metabolism positively correlated with the relative abundance of Microbacterium and Sphingomonas while negatively correlated with the abundance of Slackia. Furthermore, faecal microbiota transplantation was performed, which verified that transferring faecal microbiota from adult chickens with high body weight into one‐day‐old chickens improved growth performance and fat metabolism in liver by remodelling the gut microbiota. Overall, these results suggested that gut microbiota could affect chicken growth performance by regulating fat metabolism.
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Affiliation(s)
- Xiaolong Zhang
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Yafang Hu
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Abdur Rahman Ansari
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, China.,Section of Anatomy and Histology, Department of Basic Sciences, College of Veterinary and Animal Sciences (CVAS) Jhang, University of Veterinary and Animal Sciences (UVAS), Lahore, Pakistan
| | - Muhammad Akhtar
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Yan Chen
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Ranran Cheng
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Lei Cui
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Abdallah A Nafady
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Abdelmotaleb A Elokil
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, China.,Department of Animal Production, Faculty of Agriculture, Benha University, Moshtohor, 13736, Egypt
| | - El-Sayed M Abdel-Kafy
- Animal Production Research Institute (APRI), Agricultural Research Center (ARC), Ministry of Agriculture, Giza, Egypt
| | - Huazhen Liu
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
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Ni X, Jiao L, Zhang Y, Xu J, Zhang Y, Zhang X, Du Y, Sun Z, Wang S. Relationship Between Non-Alcoholic Fatty Liver Disease and Abdominal and Pericardial Adipose Tissue in Middle-Aged and Elderly Subjects. Int J Gen Med 2021; 14:3439-3444. [PMID: 34285567 PMCID: PMC8286728 DOI: 10.2147/ijgm.s317081] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 06/03/2021] [Indexed: 12/11/2022] Open
Abstract
Objective The present study aimed to explore the relationship between non-alcoholic fatty liver disease (NAFLD) and abdominal and pericardial adipose tissue in middle-aged and elderly subjects. Methods Between July 2019 and July 2020, 471 subjects attending the Health Care Medical Department of Peking Union Medical College Hospital for a medical examination were enrolled in the study. The volume and distribution of abdominal adipose tissue together with the volume of pericardial adipose tissue were calculated according to the results of the abdominal computed tomography. The differences between subjects with NAFLD and the normal population were analyzed. Results The volume of pericardial adipose tissue, abdominal visceral and subcutaneous adipose tissue, the total volume of abdominal adipose tissue, and volume of pelvic visceral adipose tissue were all significantly increased in subjects with NAFLD. For every 100 cm3 increase in the volume of abdominal visceral adipose tissue, the incidence of developing NAFLD increased by 9.4%. According to the results of the receiver operating curve, the cut-off point of abdominal visceral adipose tissue for the diagnosis of NAFLD was 2691.1 cm3. Conclusion Overall, the risk of NAFLD increases significantly with the increase in the volume of adipose tissue.
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Affiliation(s)
- Xuefeng Ni
- Department of Healthcare, Peking Union Medical College Hospital, Beijing, 100730, People's Republic of China
| | - Li Jiao
- Department of Healthcare, Peking Union Medical College Hospital, Beijing, 100730, People's Republic of China
| | - Ye Zhang
- Department of Healthcare, Peking Union Medical College Hospital, Beijing, 100730, People's Republic of China
| | - Jin Xu
- Department of Radiology, Peking Union Medical College Hospital, Beijing, 100730, People's Republic of China
| | - Yunqing Zhang
- Department of Radiology, Peking Union Medical College Hospital, Beijing, 100730, People's Republic of China
| | - Xiaona Zhang
- Department of Radiology, Peking Union Medical College Hospital, Beijing, 100730, People's Republic of China
| | - Yao Du
- Department of Radiology, Peking Union Medical College Hospital, Beijing, 100730, People's Republic of China
| | - Zhaoyong Sun
- Department of Radiology, Peking Union Medical College Hospital, Beijing, 100730, People's Republic of China
| | - Shitian Wang
- Department of Radiology, Peking Union Medical College Hospital, Beijing, 100730, People's Republic of China
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Ashraf S, Ashraf N, Yilmaz G, Harmancey R. Crosstalk between beta-adrenergic and insulin signaling mediates mechanistic target of rapamycin hyperactivation in liver of high-fat diet-fed male mice. Physiol Rep 2021; 9:e14958. [PMID: 34231324 PMCID: PMC8261682 DOI: 10.14814/phy2.14958] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 06/17/2021] [Accepted: 06/17/2021] [Indexed: 11/24/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most common cause of chronic liver disease. While increased nutrient intake and sympathetic activity have been associated with the disease, the pathogenesis of NAFLD remains incompletely understood. We investigated the impact of the interaction of high dietary fat and sugar intake with increased beta-adrenergic receptor (β-AR) signaling on the activity of nutrient-sensing pathways and fuel storage in the liver. C57BL/6J mice were fed a standard rodent diet (STD), a high-fat diet (HFD), a high-fat/high-sugar Western diet (WD), a high-sugar diet with mixed carbohydrates (HCD), or a high-sucrose diet (HSD). After 6 week on diets, mice were treated with isoproterenol (ISO) and the activity of liver mTOR complex 1 (mTORC1)-related signaling analyzed by immunoblotting and correlated with tissue triglyceride and glycogen contents. ISO-stimulated AKT- and ERK-mediated activation of mTORC1 in STD-fed mice. Consumption of all four high-calorie diets exacerbated downstream activation of ribosomal protein S6 kinase beta-1 (S6K1) in response to ISO. S6K1 activity was greater with the fat-enriched HFD and WD and correlated with the presence of metabolic syndrome and a stronger activation of AKT and ERK1/2 pathways. Fat-enriched diets also increased triglyceride accumulation and inhibited glycogen mobilization under β-AR stimulation. In conclusion, crosstalk between β-AR and insulin signaling may contribute to HFD-induced hepatic steatosis through ERK1/2- and AKT-mediated hyperactivation of the mTORC1/S6K1 axis. The findings provide further rationale for the development of therapies aimed at targeting augmented β-AR signaling in the pathogenesis of NAFLD.
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Affiliation(s)
- Sadia Ashraf
- Department of Physiology and BiophysicsUniversity of Mississippi Medical CenterJacksonMSUSA
- Mississippi Center for Obesity ResearchUniversity of Mississippi Medical CenterJacksonMSUSA
| | | | - Gizem Yilmaz
- Department of Physiology and BiophysicsUniversity of Mississippi Medical CenterJacksonMSUSA
- Mississippi Center for Obesity ResearchUniversity of Mississippi Medical CenterJacksonMSUSA
| | - Romain Harmancey
- Department of Physiology and BiophysicsUniversity of Mississippi Medical CenterJacksonMSUSA
- Mississippi Center for Obesity ResearchUniversity of Mississippi Medical CenterJacksonMSUSA
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DiStefano JK, Shaibi GQ. The relationship between excessive dietary fructose consumption and paediatric fatty liver disease. Pediatr Obes 2021; 16:e12759. [PMID: 33305889 PMCID: PMC8195317 DOI: 10.1111/ijpo.12759] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 10/16/2020] [Accepted: 11/11/2020] [Indexed: 12/19/2022]
Abstract
The global prevalence of non-alcoholic fatty liver disease (NAFLD) in children and adolescents is escalating and currently represents the most common chronic liver disease in the paediatric population. NAFLD is associated with high daily caloric intake and sedentary behaviour, with excessive consumption of added sugar emerging as an important contributor to NAFLD risk in children. This is a particularly important factor for adolescents with obesity, who are the heaviest consumers of added sugar. Table sugar, or sucrose, is a disaccharide comprised of fructose and glucose, yet only fructose has been strongly linked to NAFLD pathogenesis largely due to the unique characteristics of its metabolism and detrimental effects on key metabolic pathways. To date, the relationship between excessive fructose intake and risk of NAFLD in children and adolescents remains incompletely understood, and it is not yet known whether fructose actually causes NAFLD or instead exacerbates hepatic fat accumulation and possible hepatocellular injury only within the context of cardiometabolic factors. The purpose of this review is to summarize recent studies linking fructose consumption with NAFLD in the paediatric population and integrate results from interventional studies of fructose restriction in children and adolescents on NAFLD and related metabolic markers. Given the overall positive impact of lifestyle modifications in the management of paediatric NAFLD, reduction of added sugar consumption may represent an important, early opportunity to mitigate or prevent NAFLD in high-risk children and adolescents.
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Affiliation(s)
- Johanna K. DiStefano
- Diabetes and Fibrotic Disease Research Unit, Translational Genomics Research Institute,corresponding author: 445 N 5 Street, Phoenix, AZ 85004,
| | - Gabriel Q. Shaibi
- Center for Health Promotion and Disease Prevention, Edson College of Nursing, Arizona State University
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Ahadi M, Molooghi K, Masoudifar N, Namdar AB, Vossoughinia H, Farzanehfar M. A review of non-alcoholic fatty liver disease in non-obese and lean individuals. J Gastroenterol Hepatol 2021; 36:1497-1507. [PMID: 33217052 DOI: 10.1111/jgh.15353] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 10/26/2020] [Accepted: 11/10/2020] [Indexed: 12/12/2022]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is one of the most common causes of hepatic disorders. It represents a wide range of chronic liver diseases in patients with no history of significant alcohol consumption, starting with simple steatosis and progressing towards non-alcoholic steatohepatitis, cirrhosis, and ultimately hepatocellular carcinoma. NAFLD is usually associated with type 2 diabetes mellitus, dyslipidemia, metabolic syndrome, and obesity. This disease has mostly been studied in obese individuals; however, it has been widely reported and studied among the lean/non-obese population in recent years. The pathogenesis of NAFLD in non-obese patients is associated with various genetic predispositions, particularly a patatin-like phospholipase domain-containing protein 3 G allele polymorphism, which results in the accumulation of triglyceride in the liver and resistance to insulin. Additionally, dietary factors such as high fructose consumption seem to play a substantial role in the pathology of non-obese NAFLD. Although there is not enough evidence on the treatment of NAFLD in non-obese patients, the standard approach is to advise altering one's lifestyle in order to diminish visceral adiposity. Dietary modification, weight loss, and increased physical activity are highly recommended. We aimed to review and summarize the existing information on the prevalence, pathogenesis, genetic predispositions, diagnosis, and treatment of NAFLD in non-obese patients according to the latest literature.
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Affiliation(s)
- Mitra Ahadi
- Department of Gastroenterology and Hepatology, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Kasra Molooghi
- School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Negin Masoudifar
- School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ali Beheshti Namdar
- Department of Gastroenterology and Hepatology, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hassan Vossoughinia
- Department of Gastroenterology and Hepatology, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammadreza Farzanehfar
- Department of Gastroenterology and Hepatology, Mashhad University of Medical Sciences, Mashhad, Iran
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Al-Muzafar HM, Alshehri FS, Amin KA. The role of pioglitazone in antioxidant, anti-inflammatory, and insulin sensitivity in a high fat-carbohydrate diet-induced rat model of insulin resistance. ACTA ACUST UNITED AC 2021; 54:e10782. [PMID: 34037093 PMCID: PMC8148887 DOI: 10.1590/1414-431x2020e10782] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 03/15/2021] [Indexed: 01/13/2023]
Abstract
We explored the cascade effects of a high fat-carbohydrate diet (HFCD) and pioglitazone (an anti-diabetic therapy used to treat type 2 diabetes mellitus (T2DM)) on lipid profiles, oxidative stress/antioxidant, insulin, and inflammatory biomarkers in a rat model of insulin resistance. Sixty albino rats (80-90 g) were randomly divided into three dietary groups; 1) standard diet; 2) HFCD diet for 12 weeks to induce an in vivo model of insulin resistance; and 3) HFCD diet plus pioglitazone. Blood and tissue samples were taken to assess hepatic function, lipid profiles, oxidative biomarkers, malondialdehyde (MDA) levels, antioxidant defense biomarkers, including reduced glutathione (GSH), superoxide dismutase (SOD), and the inflammatory markers interleukin-6 (IL-6) and tumor necrotic factor (TNF-α). HFCD-fed rats had significantly (P≤0.05) increased serum triacylglycerol (TG), total cholesterol (TC), low-density lipoprotein (LDL), alanine transaminase (ALT), and bilirubin levels, but decreased high-density lipoprotein (HDL) levels compared with the normal group. Moreover, serum leptin, resistin, TNF-α, and IL-6 levels were increased significantly in HFCD animals compared with controls. Similarly, HFCD-induced insulin resistance caused antioxidant and cytokine disturbances, which are important therapy targets for pioglitazone. Importantly, administration of this drug ameliorated these changes, normalized leptin and resistin and inflammatory markers by reducing TNF-α levels. Metabolic cascades of elevated lipid profiles, oxidative stress, insulin, and inflammatory biomarkers are implicated in insulin resistance progression. HFCD induced metabolic cascades comprising hypertriglyceridemia, hyperglycemia, insulin resistance, obesity-associated hormones, and inflammatory biomarkers may be alleviated using pioglitazone.
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Affiliation(s)
- H M Al-Muzafar
- Department of Chemistry, College of Science, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia.,Basic & Applied Scientific Research Center, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - F S Alshehri
- Department of Chemistry, College of Science, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia.,Basic & Applied Scientific Research Center, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - K A Amin
- Department of Chemistry, College of Science, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia.,Basic & Applied Scientific Research Center, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
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Relationship between dietary macronutrient composition and non-alcoholic fatty liver disease in lean and non-lean populations: a cross-sectional study. Public Health Nutr 2021; 24:6178-6190. [PMID: 33896439 DOI: 10.1017/s1368980021001762] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE The current study aimed to customize dietary changes for lean patients with non-alcoholic fatty liver disease (NAFLD). DESIGN The current study was done with a population-based cross-sectional design. The FFQ was used to analyse dietary macronutrient intake and ultrasonography results for NAFLD diagnosis. The study subjects were divided into the lean and non-lean groups based on their BMI (< 25 and ≥ 25). Multivariable logistic regression was used to evaluate the relationship between dietary macronutrients and NAFLD. Substitution analyses were also performed. SETTING Amol and its suburban areas in Iran. PARTICIPANTS Adults in the age range of 18 to < 65 with full relevant data. RESULTS Among the total study subjects (2308), 46·7 % had fatty liver. The substitution of polysaccharides for animal protein and SFA in the lean group resulted in a significant NAFLD reduction, whereas the substitution of SFA for all types of macronutrients, except for n-6 and mono-disaccharides, led to a significant increase in NAFLD (P < 0·05). In non-lean participants, the substitution of MUFA for mono-disaccharides resulted in a significant reduction of NAFLD (P < 0·05). In this group, the substitution of SFA and mono-disaccharides for MUFA, and n-6 for all macronutrients, except vegetable protein and SFA, were significantly related to an increase in NAFLD (P < 0·05). CONCLUSIONS Lower lean NAFLD is correlated with increasing polysaccharides in exchange for SFA and animal protein intake, whereas lower non-lean NAFLD is correlated with increasing MUFA in exchange for mono-disaccharides and reducing n-6 and SFA.
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Urinary Medium-Chained Acyl-Carnitines Sign High Caloric Intake whereas Short-Chained Acyl-Carnitines Sign High -Protein Diet within a High-Fat, Hypercaloric Diet in a Randomized Crossover Design Dietary Trial. Nutrients 2021; 13:nu13041191. [PMID: 33916877 PMCID: PMC8066704 DOI: 10.3390/nu13041191] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/29/2021] [Accepted: 03/31/2021] [Indexed: 11/17/2022] Open
Abstract
The western dietary pattern is known for its frequent meals rich in saturated fat and protein, resulting in a postprandial state for a large part of the day. Therefore, our aim was to investigate the postprandial glucose and lipid metabolism in response to high (HP) or normal (NP) protein, high-fat hypercaloric diet and to identify early biomarkers of protein intake and hepatic lipid accumulation. In a crossover design, 17 healthy subjects were randomly assigned to consume a HP or NP hypercaloric diet for two weeks. In parallel, a control group (CD; n = 10) consumed a weight-maintaining control diet. Biomarkers of postprandial lipid and glucose metabolism were measured in 24 h urine and in plasma before and following a meal challenge. The metabolic profile of urine but not plasma, showed increased excretion of 13C, carnitine and short chain acyl-carnitines after adaptation to the HP diet. Urinary excretion of decatrienoylcarnitine and octenoylcarnitine increased after adaptation to the NP diet. Our results suggest that the higher excretion of short-chain urinary acyl-carnitines could facilitate the elimination of excess fat of the HP diet and thereby reduce hepatic fat accumulation previously reported, whereas the higher excretion medium-chains acyl-carnitine could be early biomarkers of hepatic lipid accumulation.
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Zhou L, Deng M, Zhai X, Yu R, Liu J, Yu M, Li Y, Xiao X. The Effects of Dietary Nutrition Intake on Glycemic Variability in Type 1 Diabetes Mellitus Adults. Diabetes Ther 2021; 12:1055-1071. [PMID: 33641082 PMCID: PMC7994486 DOI: 10.1007/s13300-021-01028-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 02/08/2021] [Indexed: 12/11/2022] Open
Abstract
INTRODUCTION Type 1 diabetes mellitus (T1DM) is characterized by an absolute deficiency of insulin and dependence on insulin therapy. Therefore, glycemic control and management are important for T1DM patients, particularly glycemic variability, which is associated with the development of diabetic complications. However, insufficient attention has been paid to the glycemic variability in T1DM patients so far. Our objective was to identify the effects of food intake on glycemic variability in T1DM patients. METHODS This was a single-center study that took place in the outpatient clinics of Peking Union Medical College Hospital. A total of 68 Chinese T1DM patients between June 2018 and June 2019 were enrolled. After the baseline demographic and clinical characteristics were evaluated, each participant underwent 14-day flash glucose monitoring (FGM). They recorded caloric intake of breakfast, lunch, and dinner at least 3 days/week using a "Menthol Health" app. After 2 weeks, we obtained the FGM data and did further data analysis. Baseline characteristics and glycemic variability index generated by FGM were compared among groups. A general linear model was used to compare data among groups after adjusting for potential confounding factors. The quantitative relationship between two continuous variables was explored by constructing a linear regression equation. RESULTS The results showed that the C-peptide level was independently correlated with the mean of daily differences (MODD) after adjusting for the possible confounders (β = - 0.239, p = 0.046). The dietary nutrition intake had no effect on glycemic variability. However, the nutritional composition of carbohydrate, fat, and protein was an independent risk factor for time spent in hypoglycemia (TBR) post adjustment (β = - 0.213, p = 0.054). However, there was no impact of daily total energy intake on glycemic variability index. CONCLUSION In our study, dietary nutrition intake had no effect on glycemic variability, but residual β-cell function was identified as an influencing factor for glycemic variability in T1DM adults. However, nutritional macronutrient composition played some roles in the occurrence of hypoglycemia. This might provide new evidence for the clinical glycemic control and management of T1DM in the Chinese population.
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Affiliation(s)
- Liyuan Zhou
- Department of Endocrinology, Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Mingqun Deng
- Department of Endocrinology, Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Xiao Zhai
- Department of Endocrinology, Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Ruiqi Yu
- Department of Endocrinology, Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Jieying Liu
- Department of Endocrinology, Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Miao Yu
- Department of Endocrinology, Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Yuxiu Li
- Department of Endocrinology, Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Xinhua Xiao
- Department of Endocrinology, Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China.
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Crabtree CD, Kackley ML, Buga A, Fell B, LaFountain RA, Hyde PN, Sapper TN, Kraemer WJ, Scandling D, Simonetti OP, Volek JS. Comparison of Ketogenic Diets with and without Ketone Salts versus a Low-Fat Diet: Liver Fat Responses in Overweight Adults. Nutrients 2021; 13:966. [PMID: 33802651 PMCID: PMC8002465 DOI: 10.3390/nu13030966] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/13/2021] [Accepted: 03/15/2021] [Indexed: 12/15/2022] Open
Abstract
Ketogenic diets (KDs) often contain high levels of saturated fat, which may increase liver fat, but the lower carbohydrate intake may have the opposite effect. Using a controlled feeding design, we compared liver fat responses to a hypocaloric KD with a placebo (PL) versus an energy-matched low-fat diet (LFD) in overweight adults. We also examined the added effect of a ketone supplement (KS). Overweight adults were randomized to a 6-week KD (KD + PL) or a KD with KS (KD + KS); an LFD group was recruited separately. All diets were estimated to provide 75% of energy expenditure. Weight loss was similar between groups (p > 0.05). Liver fat assessed by magnetic resonance imaging decreased after 6 week (p = 0.004) with no group differences (p > 0.05). A subset with nonalcoholic fatty liver disease (NAFLD) (liver fat > 5%, n = 12) showed a greater reduction in liver fat, but no group differences. In KD participants with NAFLD, 92% of the variability in change in liver fat was explained by baseline liver fat (p < 0.001). A short-term hypocaloric KD high in saturated fat does not adversely impact liver health and is not impacted by exogenous ketones. Hypocaloric low-fat and KDs can both be used in the short-term to significantly reduce liver fat in individuals with NAFLD.
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Affiliation(s)
- Christopher D. Crabtree
- Department of Human Sciences, The Ohio State University, Columbus, OH 43201, USA; (C.D.C.); (M.L.K.); (A.B.); (B.F.); (R.A.L.); (P.N.H.); (T.N.S.); (W.J.K.)
| | - Madison L. Kackley
- Department of Human Sciences, The Ohio State University, Columbus, OH 43201, USA; (C.D.C.); (M.L.K.); (A.B.); (B.F.); (R.A.L.); (P.N.H.); (T.N.S.); (W.J.K.)
| | - Alexandru Buga
- Department of Human Sciences, The Ohio State University, Columbus, OH 43201, USA; (C.D.C.); (M.L.K.); (A.B.); (B.F.); (R.A.L.); (P.N.H.); (T.N.S.); (W.J.K.)
| | - Brandon Fell
- Department of Human Sciences, The Ohio State University, Columbus, OH 43201, USA; (C.D.C.); (M.L.K.); (A.B.); (B.F.); (R.A.L.); (P.N.H.); (T.N.S.); (W.J.K.)
| | - Richard A. LaFountain
- Department of Human Sciences, The Ohio State University, Columbus, OH 43201, USA; (C.D.C.); (M.L.K.); (A.B.); (B.F.); (R.A.L.); (P.N.H.); (T.N.S.); (W.J.K.)
| | - Parker N. Hyde
- Department of Human Sciences, The Ohio State University, Columbus, OH 43201, USA; (C.D.C.); (M.L.K.); (A.B.); (B.F.); (R.A.L.); (P.N.H.); (T.N.S.); (W.J.K.)
| | - Teryn N. Sapper
- Department of Human Sciences, The Ohio State University, Columbus, OH 43201, USA; (C.D.C.); (M.L.K.); (A.B.); (B.F.); (R.A.L.); (P.N.H.); (T.N.S.); (W.J.K.)
| | - William J. Kraemer
- Department of Human Sciences, The Ohio State University, Columbus, OH 43201, USA; (C.D.C.); (M.L.K.); (A.B.); (B.F.); (R.A.L.); (P.N.H.); (T.N.S.); (W.J.K.)
| | - Debbie Scandling
- Dorothy M. Davis Heart & Lung Research Institute, The Ohio State University, Columbus, OH 43210, USA; (D.S.); (O.P.S.)
| | - Orlando P. Simonetti
- Dorothy M. Davis Heart & Lung Research Institute, The Ohio State University, Columbus, OH 43210, USA; (D.S.); (O.P.S.)
- Departments of Radiology and Internal Medicine, The Ohio State University, Columbus, OH 43210, USA
| | - Jeff S. Volek
- Department of Human Sciences, The Ohio State University, Columbus, OH 43201, USA; (C.D.C.); (M.L.K.); (A.B.); (B.F.); (R.A.L.); (P.N.H.); (T.N.S.); (W.J.K.)
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Che L, Ren B, Jia Y, Dong Y, Wang Y, Shan J, Wang Y. Feprazone Displays Antiadipogenesis and Antiobesity Capacities in in Vitro 3 T3-L1 Cells and in Vivo Mice. ACS OMEGA 2021; 6:6674-6680. [PMID: 33748580 PMCID: PMC7970497 DOI: 10.1021/acsomega.0c05470] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 02/09/2021] [Indexed: 05/14/2023]
Abstract
BACKGROUND AND PURPOSE Excessive lipid accumulation in adipose tissues and deregulation of adipogenesis-induced obesity affect millions of people worldwide. Feprazone, a nonsteroidal anti-inflammatory drug, has a wide clinical use. However, it is unknown whether Feprazone possesses an antiadipogenic ability. The aim of this study is to investigate whether Feprazone possesses an antiadipogenic ability in 3 T3-L1 cells and an antiobesity capacity in mouse models. METHODS An MTT assay was used to determine the optimized incubation concentrations of Feprazone in 3 T3-L1 cells. The lipid accumulation was evaluated using Oil Red O staining. The concentrations of triglyceride and glycerol release were detected to check the lipolysis during 3 T3-L1 adipogenesis. A quantitative real-time polymerase chain reaction (qRT-PCR) was used to determine the expressions of sterol regulatory element-binding protein-1C (SREBP-1C) and fatty acid binding protein 4 (FABP4) in treated cells. The expressions of peroxisome proliferator-activated receptor-γ (PPAR-γ), CCAAT/enhancer-binding protein α (C/EBP-α), adipose triglyceride lipase (ATGL), and aquaporin-7 (AQP-7) were detected using qRT-PCR and Western blot analysis. After the high-fat diet (HFD) mice were treated with Feprazone, the pathological state of adipocyte tissues was evaluated using HE staining. The adipocyte size, visceral adipocyte tissue weight, and bodyweights were recorded. RESULTS According to the proliferation result, 30 and 60 μM Feprazone were used as the optimized concentrations of Feprazone. In the in vitro study, lipid accumulation, elevated production of triglycerides, the release of glycerol, upregulated SREBP-1C, FABP4, PPAR-γ, and C/EBP-α and downregulated ATGL and AQP-7 in the 3 T3-L1 adipocytes induced by the adipocyte differentiation cocktail medium were significantly reversed by treatment with Feprazone. In the in vivo experiment, we found that the increased adipocyte size, visceral adipocyte tissue weight, and body weights induced by HFD feeding in mice were significantly suppressed by the administration of Feprazone. CONCLUSION Feprazone might display anti-adipogenic and antiobesity capacities in in vitro 3 T3-L1 cells and in vivo mice.
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Affiliation(s)
- Liqun Che
- Department
of Endocrinology Ward 3, The Third Affiliated
Hospital of Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Bo Ren
- Department
of Endocrinology Ward 3, The Third Affiliated
Hospital of Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Yuanyuan Jia
- Department
of Endocrinology Ward 3, The Third Affiliated
Hospital of Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Yujia Dong
- Department
of Endocrinology Ward 3, The Third Affiliated
Hospital of Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Yanbing Wang
- Department
of Endocrinology Ward 3, The Third Affiliated
Hospital of Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Jie Shan
- Department
of Endocrinology Ward 3, The Third Affiliated
Hospital of Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
| | - Yuchun Wang
- Department
of pharmacology, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, China
- . Tel.: +86-452-2663370
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Piras IS, Gerhard GS, DiStefano JK. Palmitate and Fructose Interact to Induce Human Hepatocytes to Produce Pro-Fibrotic Transcriptional Responses in Hepatic Stellate Cells Exposed to Conditioned Media. Cell Physiol Biochem 2021; 54:1068-1082. [PMID: 33095528 PMCID: PMC8265013 DOI: 10.33594/000000288] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/02/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND/AIMS Excessive consumption of dietary fat and sugar is associated with an elevated risk of nonalcoholic fatty liver disease (NAFLD). Hepatocytes exposed to saturated fat or sugar exert effects on nearby hepatic stellate cells (HSCs); however, the mechanisms by which this occurs are poorly understood. We sought to determine whether paracrine effects of hepatocytes exposed to palmitate and fructose produced profibrotic transcriptional responses in HSCs. METHODS We performed expression profiling of mRNA and lncRNA from HSCs treated with conditioned media (CM) from human hepatocytes treated with palmitate (P), fructose (F), or both (PF). RESULTS In HSCs exposed to CM from palmitate-treated hepatocytes, we identified 374 mRNAs and 607 lncRNAs showing significant differential expression (log2 foldchange ≥ |1|; FDR ≤0.05) compared to control cells. In HSCs exposed to CM from PF-treated hepatocytes, the number of differentially expressed genes was much higher (1198 mRNAs and 3348 lncRNAs); however, CM from fructose-treated hepatocytes elicited no significant changes in gene expression. Pathway analysis of differentially expressed genes showed enrichment for hepatic fibrosis and hepatic stellate cell activation in P- (FDR =1.30E-04) and PF-(FDR =9.24E-06)
groups. We observed 71 lncRNA/nearby mRNA pairs showing differential expression under PF conditions. There were 90 mRNAs and 264 lncRNAs strongly correlated between the PF group and differentially expressed transcripts from a comparison of activated and quiescent HSCs, suggesting that some of the transcriptomic changes occurring in response to PF overlap with HSC activation. CONCLUSION The results reported here have implications for dietary modifications in the prevention and treatment of NAFLD.
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Affiliation(s)
| | - Glenn S Gerhard
- Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
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de Almeida-Souza CB, Antunes MM, Carbonera F, Godoy G, da Silva MARCP, Masi LN, Visentainer JV, Curi R, Bazotte RB. A High-Fat Diet Induces Lower Systemic Inflammation than a High-Carbohydrate Diet in Mice. Metab Syndr Relat Disord 2021; 19:296-304. [PMID: 33570478 DOI: 10.1089/met.2020.0116] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Background: We previously established that male Swiss mice (Mus musculus) receiving a high-fat diet (HFD) during 8 weeks exhibit similar caloric ingestion and body weight (grams) compared with mice fed a high-carbohydrate diet (HCD). HFD mice exhibit a lower inflammatory state than an HCD in the liver, skeletal muscle, and brain. In addition, we demonstrated that HFD and HCD modulated fatty acids (FA) composition in these tissues. In this study, our objective was to compare HFD mice and HCD mice in terms of systemic inflammation. Methods: Saturated FA (SFA), monounsaturated FA, omega-6 polyunsaturated FA (n-6 PUFA), and n-3 PUFA were evaluated at the time points 0, 1, 7, 14, 28, and 56 days after starting the administration of the diets. We investigated n-6 PUFA:n-3 PUFA, SFA:n-3 PUFA, palmitic acid:α-linolenic acid (ALA), and myristic acid:docosahexaenoic acid (DHA) ratios as potential serum biomarkers of systemic inflammation. We also measured the serum levels of basic fibroblast growth factor, granulocyte-macrophage colony-stimulating factor (GM-CSF), inducible protein 10 (IP-10), interferon gamma (IFN-γ), interleukin (IL)-1α, IL-1β, IL-2, IL-4, IL-5, IL-6, IL-10, IL-13, IL-17, macrophage inflammatory protein-1α (MIP-1-α), monocyte chemotactic protein 1 (MCP-1), monokine induced by IFN-γ (MIG), and tumor necrosis factor α (TNF-α). Results: The HFD group had lower (P < 0.05) n-6 PUFA:n-3 PUFA, palmitic acid:ALA, myristic acid:DHA ratios, and lower plasma levels of proinflammatory cytokines (IFN-γ, MIG, GM-CSF, and IL-6). Conclusion: The HFD mice showed lower systemic inflammation compared with a caloric ingestion-body weight-matched control HCD mice.
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Affiliation(s)
| | - Marina M Antunes
- Post-Graduate Program in Pharmaceutical Sciences, State University of Maringá, Maringá, Brazil
| | - Fabiana Carbonera
- Department of Chemistry, State University of Maringá, Maringá, Brazil
| | - Guilherme Godoy
- Post-Graduate Program in Pharmaceutical Sciences, State University of Maringá, Maringá, Brazil
| | - Maria A R C P da Silva
- Department of Pharmacology and Therapeutics, State University of Maringá, Maringá, Brazil
| | - Laureane N Masi
- Interdisciplinary Post-Graduate Program in Health Sciences, Cruzeiro do Sul University, São Paulo, Brazil
| | | | - Rui Curi
- Interdisciplinary Post-Graduate Program in Health Sciences, Cruzeiro do Sul University, São Paulo, Brazil
| | - Roberto B Bazotte
- Post-Graduate Program in Pharmaceutical Sciences, State University of Maringá, Maringá, Brazil.,Department of Pharmacology and Therapeutics, State University of Maringá, Maringá, Brazil
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Pereira ENGDS, Silvares RR, Rodrigues KL, Flores EEI, Daliry A. Pyridoxamine and Caloric Restriction Improve Metabolic and Microcirculatory Abnormalities in Rats with Non-Alcoholic Fatty Liver Disease. J Vasc Res 2021; 58:1-10. [PMID: 33535220 DOI: 10.1159/000512832] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 11/02/2020] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION This study aims to examine the effect of a diet intervention and pyridoxamine (PM) supplementation on hepatic microcirculatory and metabolic dysfunction in nonalcoholic fatty liver disease (NAFLD). METHODS NAFLD in Wistar rats was induced with a high-fat diet for 20 weeks (NAFLD 20 weeks), and control animals were fed with a standard diet. The NAFLD diet intervention group received the control diet between weeks 12 and 20 (NAFLD 12 weeks), while the NAFLD 12 weeks + PM group also received PM. Fasting blood glucose (FBG) levels, body weight (BW), visceral adipose tissue (VAT), and hepatic microvascular blood flow (HMBF) were evaluated at the end of the protocol. RESULTS The NAFLD group exhibited a significant increase in BW and VAT, which was prevented by the diet intervention, irrespective of PM treatment. The FBG was elevated in the NAFLD group, and caloric restriction improved this parameter, although additional improvement was achieved by PM. The NAFLD group displayed a 31% decrease in HMBF, which was partially prevented by caloric restriction and completely prevented when PM was added. HMBF was negatively correlated to BW, FBG, and VAT content. CONCLUSION PM supplementation in association with lifestyle modifications could be an effective intervention for metabolic and hepatic vascular complications.
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Affiliation(s)
| | - Raquel Rangel Silvares
- Laboratory of Cardiovascular Investigation, Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro, Brazil
| | - Karine Lino Rodrigues
- Laboratory of Cardiovascular Investigation, Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro, Brazil
| | | | - Anissa Daliry
- Laboratory of Cardiovascular Investigation, Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro, Brazil,
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Meex RCR, Blaak EE. Mitochondrial Dysfunction is a Key Pathway that Links Saturated Fat Intake to the Development and Progression of NAFLD. Mol Nutr Food Res 2021; 65:e1900942. [PMID: 32574416 PMCID: PMC7816225 DOI: 10.1002/mnfr.201900942] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 05/25/2020] [Indexed: 12/16/2022]
Abstract
Non-Alcoholic fatty liver disease (NAFLD) is the most common form of liver disease and is characterized by fat accumulation in the liver. Hypercaloric diets generally increase hepatic fat accumulation, whereas hypocaloric diets decrease liver fat content. In addition, there is evidence to suggest that moderate amounts of unsaturated fatty acids seems to be protective for the development of a fatty liver, while consumption of saturated fatty acids (SFA) appears to predispose toward hepatic steatosis. Recent studies highlight a key role for mitochondrial dysfunction in the development and progression of NAFLD. It is proposed that changes in mitochondrial structure and function are key mechanisms by which SFA lead to the development and progression of NAFLD. In this review, it is described how SFA intake is associated with liver steatosis and decreases the efficiency of the respiratory transport chain. This results in the production of reactive oxygen species and damage to nearby structures, eventually leading to inflammation, apoptosis, and scarring of the liver. Furthermore, studies demonstrating that SFA intake affects the composition of mitochondrial membranes are presented, and this process accelerates the progression of NAFLD. It is likely that events are intertwined and reinforce each other, leading to a constant deterioration in health.
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Affiliation(s)
- Ruth C. R. Meex
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in MetabolismMaastricht UniversityUniversiteitssingel 50Maastricht6229 ERThe Netherlands
| | - Ellen E. Blaak
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in MetabolismMaastricht UniversityUniversiteitssingel 50Maastricht6229 ERThe Netherlands
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Jennison E, Byrne CD. The role of the gut microbiome and diet in the pathogenesis of non-alcoholic fatty liver disease. Clin Mol Hepatol 2020; 27:22-43. [PMID: 33291863 PMCID: PMC7820212 DOI: 10.3350/cmh.2020.0129] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 08/12/2020] [Indexed: 02/07/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is the leading cause of chronic liver disease, with a prevalence that is increasing in parallel with the global rise in obesity and type 2 diabetes mellitus. The pathogenesis of NAFLD is complex and multifactorial, involving environmental, genetic and metabolic factors. The role of the diet and the gut microbiome is gaining interest as a significant factor in NAFLD pathogenesis. Dietary factors induce alterations in the composition of the gut microbiome (dysbiosis), commonly reflected by a reduction of the beneficial species and an increase in pathogenic microbiota. Due to the close relationship between the gut and liver, altering the gut microbiome can affect liver functions; promoting hepatic steatosis and inflammation. This review summarises the current evidence supporting an association between NAFLD and the gut microbiome and dietary factors. The review also explores potential underlying mechanisms underpinning these associations and whether manipulation of the gut microbiome is a potential therapeutic strategy to prevent or treat NAFLD.
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Affiliation(s)
- Erica Jennison
- Department of Chemical Pathology, Southampton General Hospital, University Hospital Southampton, Southampton, UK
| | - Christopher D Byrne
- Department of Nutrition and Metabolism, Faculty of Medicine, University of Southampton, Southampton, UK.,Southampton National Institute for Health Research Biomedical Research Centre, Southampton General Hospital, University Hospital Southampton, Southampton, UK
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