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Sánchez-Terrón G, Martínez R, Morcuende D, Caballero V, Estévez M. Pomegranate supplementation alleviates dyslipidemia and the onset of non-alcoholic fatty liver disease in Wistar rats by shifting microbiota and producing urolithin-like microbial metabolites. Food Funct 2024; 15:7348-7363. [PMID: 38661445 DOI: 10.1039/d4fo00688g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Non-alcoholic fatty liver disease (NAFLD), obesity and related chronic diseases are major non-communicable diseases with high mortality rates worldwide. While dietary sugars are known to be responsible for insulin resistance and metabolic syndrome (MetS), the underlying pathophysiological effects of sustained fructose consumption require further elucidation. We hypothesize that certain bioactive compounds (i.e. punicalagin and ellagic acid) from dietary pomegranate could counteract the harmful effects of sustained fructose consumption in terms of obesity and liver damage. The present study aimed to elucidate both the molecular mechanisms involved in the pathophysiology associated with fructose intake and the effect of a punicalagin-rich commercial pomegranate dietary supplement (P) used as a nutritional strategy to alleviate fructose-induced metabolic impairments. Thus, nineteen Wistar rats fed on a basal commercial feed were supplemented with either 30% (w/v) fructose in drinking water (F; n = 7) or 30% (w/v) fructose solution plus 0.2% (w/v) P (F + P; n = 6) for 10 weeks. The results were compared to those from a control group fed on the basal diet and provided with drinking water (C; n = 6). Body weight and energy intake were registered weekly. P supplementation decreased fat depots, counteracted the dyslipidemia caused by F and improved markers of liver injury including steatosis. The study of the microbiota by metagenomics and urine by untargeted MS-based metabolomics revealed microbial metabolites from P that may be responsible for these health benefits.
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Affiliation(s)
- Guadalupe Sánchez-Terrón
- TECAL Research Group, Meat and Meat Products Research Institute (IPROCAR), Universidad de Extremadura (UEX, ROR-ID 0174shg90), Cáceres, 10003, Spain.
| | - Remigio Martínez
- Animal Health Department, Animal Health and Zoonoses Research Group (GISAZ), UIC Zoonosis and Emergent Diseases (ENZOEM Competitive Research Unit), Universidad of Córdoba (UCO, ROR-ID 05yc77b46), Córdoba, 14014, Spain
| | - David Morcuende
- TECAL Research Group, Meat and Meat Products Research Institute (IPROCAR), Universidad de Extremadura (UEX, ROR-ID 0174shg90), Cáceres, 10003, Spain.
| | - Víctor Caballero
- TECAL Research Group, Meat and Meat Products Research Institute (IPROCAR), Universidad de Extremadura (UEX, ROR-ID 0174shg90), Cáceres, 10003, Spain.
| | - Mario Estévez
- TECAL Research Group, Meat and Meat Products Research Institute (IPROCAR), Universidad de Extremadura (UEX, ROR-ID 0174shg90), Cáceres, 10003, Spain.
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Ting KK. John Yudkin's hypothesis: sugar is a major dietary culprit in the development of cardiovascular disease. Front Nutr 2024; 11:1407108. [PMID: 39027662 PMCID: PMC11257042 DOI: 10.3389/fnut.2024.1407108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Accepted: 06/24/2024] [Indexed: 07/20/2024] Open
Abstract
To date, the risk of developing atherosclerosis has extended beyond Western countries and now affecting individuals from various ethnic backgrounds and age groups. Traditional risk factors of atherosclerosis, such as hypercholesterolemia, has been better controlled than before due to highly effective and inexpensive therapies at lowering plasma cholesterol levels. However, the role of reducing dietary cholesterol intake, as a public healthy strategy, in preventing the occurrence of cardiovascular mortalities has been recently challenged. Indeed, despite our continuous decline of dietary cholesterol intake within the last 50 years, the incidence of cardiovascular mortalities has continued to rise, thus raising the possibility that other dietary factors, such as fructose-containing sugars, are the major culprit. In the 1970s, John Yudkin first proposed that sugar was the predominant dietary factor that underlies the majority of cardiovascular mortalities, yet his hypothesis was dismissed. However, over the last 25 years substantial scientific evidence has been accumulated to support Yudkin's hypothesis. The objectives of this review are to highlight Yudkin's significant contribution to nutritional science by reviewing his hypothesis and summarizing the recent advances in our understanding of fructose metabolism. The metabolic consequences of fructose metabolism, such as fructose-induced uricemia, insulin resistance, lipoprotein hyperproduction and chronic inflammation, and how they are linked to atherosclerosis as risk factors will be discussed. Finally, the review will explore areas that warrant future research and raise important considerations that we need to evaluate when designing future studies.
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Affiliation(s)
- Kenneth K.Y. Ting
- Department of Immunology, University of Toronto, Toronto, ON, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada
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Jannati N, Mohammadi-Faez R, Mahmoodi MR, Azadbakht L. Association between quality and quantity of carbohydrate intake with selected anthropometric indices among primary school girls in Kerman city, Iran: a cross-sectional study. BMC Pediatr 2024; 24:267. [PMID: 38658854 PMCID: PMC11040773 DOI: 10.1186/s12887-024-04739-6] [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: 10/10/2023] [Accepted: 04/04/2024] [Indexed: 04/26/2024] Open
Abstract
BACKGROUND The school-age is a crucial period of physical and cognitive growth, which requires an assessment of dietary intake and its influence on body weight and height. This study aims to determine the association between the quality and quantity of carbohydrate intake with selected anthropometric indices in primary school girls in Kerman City, Iran. METHODS This cross-sectional study was conducted on 330 primary school girls ages 6-12 years in Kerman. We used a validated and reliable dish-based 185-item food frequency questionnaire to evaluate people's food intake. We assessed the amount of carbohydrates in children's diets as the percentage of daily calories and grams per day. We used dietary fiber intake (grams/day), the glycemic load, the ratio of whole grain to total grain, and the ratio of solid carbohydrates to total carbohydrates to assess carbohydrate quality. Height, weight, and arm circumference were measured. We calculated body mass index (BMI) by dividing the weight in kilograms by the height in centimeters squared. We used the World Health Organization z-scores charts for girls 5 to 19 years old to assess z-scores for BMI-for-age (BAZ), height-for-age (HAZ), and weight-for-age (WAZ). Socioeconomic status and physical activity were assessed. We used ANOVA and ANCOVA statistical tests to assess the association between anthropometric indices and carbohydrate quantity and quality parameters. RESULTS Participants with the highest amount of carbohydrate intake had significantly higher anthropometric indices, including arm circumference, BMI-for-age z score (BAZ), and Height-for-age z score (HAZ) (p < 0.001, p < 0.001, and p = 0.009, respectively). With the increase in glycemic load (GL) and dietary fiber intake, anthropometric indices including arm circumference (GL: p < 0.001, Fiber: p < 0.001), BAZ (GL: p < 0.001, Fiber: P < 0.001), and HAZ (GL: P = 0.009, Fiber: p < 0.001) increased significantly. CONCLUSIONS We concluded that there was a positive association between the amount of carbohydrate intake and anthropometric indices (MUAC, BAZ, and HAZ). Also, with the increase in glycemic load and dietary fiber intake, the anthropometric indices including MUAC, BAZ, and HAZ increased.
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Affiliation(s)
- Nooshin Jannati
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Reyhaneh Mohammadi-Faez
- Department of Nutrition, Faculty of Public Health, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Reza Mahmoodi
- Physiology Research Center, Institute of Neuropharmacology & Department of Nutrition, Faculty of Public Health, Kerman University of Medical Sciences, Kerman, Iran.
| | - Leila Azadbakht
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran.
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Gugliucci A. Sugar and Dyslipidemia: A Double-Hit, Perfect Storm. J Clin Med 2023; 12:5660. [PMID: 37685728 PMCID: PMC10488931 DOI: 10.3390/jcm12175660] [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: 07/27/2023] [Revised: 08/10/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023] Open
Abstract
The availability of sugar has expanded over the past 50 years, due to improved industrial processes and corn subsidies, particularly in the form of sweetened beverages. This correlates with a surge in the prevalence of cardiometabolic disorders, which has brought this issue back into the spotlight for public health. In this narrative review, we focus on the role of fructose in the genesis of cardiometabolic dyslipidemia (an increase in serum triglyceride-rich lipoproteins (TRL): VLDL, chylomicrons (CM), and their remnants) bringing together the most recent data on humans, which demonstrates the crucial interaction between glucose and fructose, increasing the synthesis while decreasing the catabolism of these particles in a synergistic downward spiral. After reviewing TRL metabolism, we discuss the fundamental principles governing the metabolism of fructose in the intestine and liver and the effects of dysregulated fructolysis, in conjunction with the activation of carbohydrate-responsive element-binding protein (ChREBP) by glucose and the resulting crosstalk. The first byproduct of fructose catabolism, fructose-1-P, is highlighted for its function as a signaling molecule that promotes fat synthesis. We emphasize the role of fructose/glucose interaction in the liver, which enhances de novo lipogenesis, triglyceride (TG) synthesis, and VLDL production. In addition, we draw attention to current research that demonstrates how fructose affects the activity of lipoprotein lipase by increasing the concentration of inhibitors such as apolipoprotein CIII (apoCIII) and angiopoietin-like protein 3 (ANGPTL3), which reduce the catabolism of VLDL and chylomicrons and cause the building up of their atherogenic remnants. The end outcome is a dual, synergistic, and harmful action that encourages atherogenesis. Thus, considering the growing concerns regarding the connection between sugar consumption and cardiometabolic disease, current research strongly supports the actions of public health organizations aimed at reducing sugar intake, including dietary guidance addressing "safe" limits for sugar consumption.
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Affiliation(s)
- Alejandro Gugliucci
- Glycation, Oxidation and Disease Laboratory, Touro University California, Vallejo, CA 94592, USA
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Della Corte K, Jalo E, Kaartinen NE, Simpson L, Taylor MA, Muirhead R, Raben A, Macdonald IA, Fogelholm M, Brand-Miller J. Longitudinal Associations of Dietary Sugars and Glycaemic Index with Indices of Glucose Metabolism and Body Fatness during 3-Year Weight Loss Maintenance: A PREVIEW Sub-Study. Nutrients 2023; 15:2083. [PMID: 37432216 DOI: 10.3390/nu15092083] [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: 03/14/2023] [Revised: 04/21/2023] [Accepted: 04/22/2023] [Indexed: 07/12/2023] Open
Abstract
BACKGROUND Dietary sugars are often linked to the development of overweight and type 2 diabetes (T2D) but inconsistencies remain. OBJECTIVE We investigated associations of added, free, and total sugars, and glycaemic index (GI) with indices of glucose metabolism (IGM) and indices of body fatness (IBF) during a 3-year weight loss maintenance intervention. DESIGN The PREVIEW (PREVention of diabetes through lifestyle Intervention and population studies in Europe and around the World) study was a randomised controlled trial designed to test the effects of four diet and physical activity interventions, after an 8-week weight-loss period, on the incidence of T2D. This secondary observational analysis included pooled data assessed at baseline (8), 26, 52, 104 and 156 weeks from 514 participants with overweight/obesity (age 25-70 year; BMI ≥ 25 kg⋅m-2) and with/without prediabetes in centres that provided data on added sugars (Sydney and Helsinki) or free sugars (Nottingham). Linear mixed models with repeated measures were applied for IBF (total body fat, BMI, waist circumference) and for IGM (fasting insulin, HbA1c, fasting glucose, C-peptide). Model A was adjusted for age and intervention centre and Model B additionally adjusted for energy, protein, fibre, and saturated fat. RESULTS Total sugars were inversely associated with fasting insulin and C-peptide in all centres, and free sugars were inversely associated with fasting glucose and HbA1c (Model B: all p < 0.05). Positive associations were observed between GI and IGM (Model B: fasting insulin, HbA1c, and C-peptide: (all p < 0.01), but not for added sugars. Added sugar was positively associated with body fat percentage and BMI, and GI was associated with waist circumference (Model B: all p < 0.01), while free sugars showed no associations (Model B: p > 0.05). CONCLUSIONS Our findings suggest that added sugars and GI were independently associated with 3-y weight regain, but only GI was associated with 3-y changes in glucose metabolism in individuals at high risk of T2D.
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Affiliation(s)
- Karen Della Corte
- School of Life and Environmental Sciences and Charles Perkins Centre, University of Sydney, Sydney, NSW 2006, Australia
| | - Elli Jalo
- Department of Food and Nutrition, University of Helsinki, 00014 Helsinki, Finland
| | - Niina E Kaartinen
- Department of Public Health and Welfare, Finnish Institute for Health and Welfare, 00271 Helsinki, Finland
| | - Liz Simpson
- Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, Queen's Medical Centre, National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham NG7 2RD, UK
| | - Moira A Taylor
- Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, Queen's Medical Centre, National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham NG7 2RD, UK
| | - Roslyn Muirhead
- School of Life and Environmental Sciences and Charles Perkins Centre, University of Sydney, Sydney, NSW 2006, Australia
| | - Anne Raben
- Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, 1958 Copenhagen, Denmark
- Clinical Research, Copenhagen University Hospital-Steno Diabetes Center Copenhagen, 2730 Herlev, Denmark
| | - Ian A Macdonald
- Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK
| | - Mikael Fogelholm
- Department of Food and Nutrition, University of Helsinki, 00014 Helsinki, Finland
| | - Jennie Brand-Miller
- School of Life and Environmental Sciences and Charles Perkins Centre, University of Sydney, Sydney, NSW 2006, Australia
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Gatto C, Di Porzio A, Crescenzo R, Barrella V, Iossa S, Mazzoli A. Age-Dependent Skeletal Muscle Mitochondrial Response to Short-Term Increased Dietary Fructose. Antioxidants (Basel) 2023; 12:antiox12020299. [PMID: 36829857 PMCID: PMC9951991 DOI: 10.3390/antiox12020299] [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: 12/20/2022] [Revised: 01/16/2023] [Accepted: 01/26/2023] [Indexed: 01/31/2023] Open
Abstract
The harmful effect of a long-term high-fructose diet is well established, but the age-dependent physiological responses that can be triggered by a short-term high-fructose diet in skeletal muscles have not been deeply explored. Therefore, the aim of this work was to compare the alterations in mitochondrial energetic and insulin responsiveness in the skeletal muscle induced by a short-term (2 weeks) fructose feeding in rats of different ages. For this purpose, fructose and uric acid levels, insulin sensitivity, mitochondrial bioenergetics and oxidative status were evaluated in the skeletal muscles from young (30 days old) and adult (90 days old) rats. We showed that, even in the short term, a high-fructose diet has a strong impact on skeletal muscle metabolism, with more marked effects in young rats than in adults ones. In fact, despite both groups showing a decrease in insulin sensitivity, the marked mitochondrial dysfunction was found only in the young rats, thus leading to an increase in the mitochondrial production of ROS, and therefore, in oxidative damage. These findings underscore the need to reduce fructose consumption, especially in young people, to preserve the maintenance of a metabolically healthy status.
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Bouillon-Minois JB, Outrey J, Pereira B, Adeyemi OJ, Sapin V, Bouvier D, Thivel D, de Saint-Vincent S, Ugbolue UC, Baker JS, Bagheri R, Schmidt J, Trousselard M, Dutheil F. The Impact of Job-Demand-Control-Support on Leptin and Ghrelin as Biomarkers of Stress in Emergency Healthcare Workers. Nutrients 2022; 14:nu14235009. [PMID: 36501040 PMCID: PMC9741408 DOI: 10.3390/nu14235009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/20/2022] [Accepted: 11/22/2022] [Indexed: 11/26/2022] Open
Abstract
Despite the available literature on the consequences of night shiftwork on stress and food intake, its impact on leptin and ghrelin has never been studied. We previously demonstrated that leptin and ghrelin were biomarkers related to stress, and acute stress-induced a decrease in leptin levels and an increase in ghrelin levels. We performed a prospective observational study to assess the influence of night work, nutrition, and stress on the levels of ghrelin and leptin among emergency healthcare workers (HCWs). We took salivary samples at the beginning of a day shift and/or at the end of a night shift. We also monitored stress using the job demand-control-support model of Karasek. We recorded 24-h food intake during the day shift and the consecutive night shift and during night work and the day before. We included 161 emergency HCWs. Emergency HCWs had a tendency for decreased levels of leptin following the night shift compared to before the dayshift (p = 0.067). Furthermore, the main factors explaining the decrease in leptin levels were an increase in job-demand (coefficient -54.1, 95 CI -99.0 to -0.92) and a decrease in job control (-24.9, -49.5 to -0.29). Despite no significant changes in ghrelin levels between shifts, social support was the main factor explaining the increase in ghrelin (6.12, 0.74 to 11.5). Food intake (kcal) also had a negative impact on leptin levels, in addition to age. Ghrelin levels also decreased with body mass index, while age had the opposite effect. In conclusion, we confirmed that ghrelin and leptin as biomarkers of stress were directly linked to the job demand-control-support model of Karasek, when the main cofounders were considered.
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Affiliation(s)
- Jean-Baptiste Bouillon-Minois
- Emergency Department, CHU Clermont-Ferrand, Université Clermont Auvergne, CNRS, LaPSCo, Physiological and Psychosocial Stress, F-63000 Clermont-Ferrand, France
- Correspondence: ; Tel.: +33-4-73-75-19-99; Fax: +33-4-73-27-46-49
| | - Justin Outrey
- Emergency Department, CHU de Besançon, F-25000 Besançon, France
| | - Bruno Pereira
- Clinical Research and Innovation Direction, CHU Clermont-Ferrand, F-63000 Clermont-Ferrand, France
| | - Oluwaseun John Adeyemi
- Ronald O. Perelman Department of Emergency Medicine, NYU School of Medicine, New York University Langone Health, New York, NY 10016, USA
| | - Vincent Sapin
- Centre de Biologie, CHU Clermont-Ferrand, F-63003 Clermont-Ferrand, France
| | - Damien Bouvier
- Centre de Biologie, CHU Clermont-Ferrand, F-63003 Clermont-Ferrand, France
| | - David Thivel
- Research Center in Human Nutrition, Laboratory AME2P, Université Clermont Auvergne, F-63120 Aubière, France
| | - Sarah de Saint-Vincent
- Occupational and Environmental Medicine, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France
| | - Ukadike Chris Ugbolue
- School of Health and Life Sciences, Institute for Clinical Exercise & Health Science, University of the West of Scotland, Glasgow G1 1XW, UK
| | - Julien S. Baker
- Centre for Health and Exercise Science Research, Department of Sport, Physical Education and Health, Hong Kong Baptist University, Kowloon Tong 999077, Hong Kong
| | - Reza Bagheri
- Department of Exercise Physiology, University of Isfahan, Isfahan 81746-73441, Iran
| | - Jeannot Schmidt
- Emergency Department, CHU Clermont-Ferrand, Université Clermont Auvergne, CNRS, LaPSCo, Physiological and Psychosocial Stress, F-63000 Clermont-Ferrand, France
| | - Marion Trousselard
- Neurophysiology of Stress, French Armed Forces Biomedical Research Institute, IRBA, F-91223 Brétigny-sur-Orge, France
| | - Frédéric Dutheil
- CHU Clermont-Ferrand, Université Clermont Auvergne, CNRS, LaPSCo, Physiological and Psychosocial Stress, Occupational and Environmental Medicine, WittyFit, F-63000 Clermont-Ferrand, France
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Sharma P, Nair J, Sinh A, Shivangi, Velpandian T, Tripathi R, Mathur R. Guava Leaf Extract Suppresses Fructose Mediated Non-Alcoholic Fatty Liver Disease in Growing Rats. Diabetes Metab Syndr Obes 2022; 15:2827-2845. [PMID: 36134391 PMCID: PMC9484835 DOI: 10.2147/dmso.s381102] [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: 07/04/2022] [Accepted: 08/06/2022] [Indexed: 11/23/2022]
Abstract
Purpose Fructose is highly lipogenic, and its unhindered ingestion by children and adolescents is understood to induce hypertriglyceridemia and non-alcoholic fatty liver disease (ped-NAFLD) that is till date managed symptomatically or surgically. The aim of the present study was to investigate the potential of hydroethanolic extract of leaves of Guava (PG-HM) to suppress the alterations in the hepatic molecular signals due to unrestricted fructose (15%) drinking by growing rats. Methods Weaned rats (4 weeks old) in control groups had ad libitum access to fructose drinking solution (15%) for four (4FDR) or eight (8FDR) weeks, ie, till puberty or early adulthood, respectively, while treatment groups (4PGR, 8PGR) additionally received PG-HM (500 mg/kg, po). Results The PG-HM suppressed ped-NAFLD through hepatic signalling pathways of 1) leptin-insulin (Akt/FOX-O1/SREBP-1c), 2) hypoxia-inflammation (HIF-1ɑ/VEGF, TNF-ɑ), 3) mitochondrial function (complexes I–V), 4) oxidative stress (MDA, GSH, SOD) and 5) glycolysis/gluconeogenesis/de novo lipogenesis (hexokinase, phosphofructokinase, ketohexokinase, aldehyde dehydrogenase). Parri passu, the insulin sensitizing effect of PG-HM and its ethyl acetate fraction (PG-EA) was elucidated using HepG2 cells grown in media enhanced with fructose. Further, in murine hepatocytes cultured in fructose-rich media, PG-HM (35 µg mL-1) outperformed Pioglitazone (15 µM) and Metformin (5 mM), to suppress hepatic insulin resistance. Conclusion This study established that hydroethanolic extract of leaves of Guava (PG-HM) has potential to suppress hepatic metabolic alteration for the management of the pediatric NAFLD.
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Affiliation(s)
- Prateek Sharma
- Department of Pharmacology, Delhi Institute of Pharmaceutical Science and Research, Delhi Pharmaceutical Sciences and Research University, New Delhi, 110017, India
| | - Jayachandran Nair
- Department of Pharmacology, Delhi Institute of Pharmaceutical Science and Research, Delhi Pharmaceutical Sciences and Research University, New Delhi, 110017, India
| | - Anurag Sinh
- Department of Pharmacology, Delhi Institute of Pharmaceutical Science and Research, Delhi Pharmaceutical Sciences and Research University, New Delhi, 110017, India
| | - Shivangi
- Department of Pharmacology, Delhi Institute of Pharmaceutical Science and Research, Delhi Pharmaceutical Sciences and Research University, New Delhi, 110017, India
| | - Thirumurthy Velpandian
- Department of Ocular Pharmacology, Dr. R.P. Center for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Ruchi Tripathi
- Department of Pharmacology, Delhi Institute of Pharmaceutical Science and Research, Delhi Pharmaceutical Sciences and Research University, New Delhi, 110017, India
| | - Rajani Mathur
- Department of Pharmacology, Delhi Institute of Pharmaceutical Science and Research, Delhi Pharmaceutical Sciences and Research University, New Delhi, 110017, India
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High fructose diet: A risk factor for immune system dysregulation. Hum Immunol 2022; 83:538-546. [DOI: 10.1016/j.humimm.2022.03.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 03/05/2022] [Accepted: 03/19/2022] [Indexed: 12/15/2022]
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Janbozorgi N, Djafarian K, Mohammadpour S, Zareie Abyane M, Zameni M, Badeli M, Akbarzade Z, C. T. Clark C, Shab-Bidar S. Association between carbohydrate quality index and general and central obesity in adults: A population-based study in Iran. J Cardiovasc Thorac Res 2021; 13:298-308. [PMID: 35047134 PMCID: PMC8749369 DOI: 10.34172/jcvtr.2021.47] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 09/07/2021] [Accepted: 09/24/2021] [Indexed: 12/18/2022] Open
Abstract
Introduction: To determine whether dietary carbohydrates quality index (CQI), glycemic index, and glycemic load is associated with general and abdominal obesity.
Methods: 850 participants, 20 to 59 years old, were enrolled in a cross-sectional study from five Tehran districts through health houses. The 168 items in the semi--quantitative food frequency questionnaire were used to assess dietary intake. The CQI was calculated by using the following four components: glycemic index, total fiber, solid carbohydrate to total carbohydrate ratio, and whole grains: total grains ratio.
Results: After adjusting for confounding factors, the chance of obesity in men (OR=0.38, 95% CI 0.15to 0.95; P =0.04) measured by waist circumference (WC) was significantly lower in the fourth quintile of CQI in comparison with the first quintile. In addition, OR for obesity in men (OR=2.53, 95% CI0.52 to 1.37; P =0.04) was significantly 2.5 times higher among those in the fourth quintile of glycemic index compared with those in the lowest quintile. There was no significant association between dietary carbohydrates with general obesity in men and women.
Conclusion: In summary, dietary CQI is significantly inversely related to central obesity in men,according to this study. Additionally, adherence to a diet with a higher glycemic index in men is positively associated with central obesity.
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Affiliation(s)
- Nasim Janbozorgi
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Kurosh Djafarian
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Saba Mohammadpour
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Mahtab Zareie Abyane
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Mahdi Zameni
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Mostafa Badeli
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Zahra Akbarzade
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Cain C. T. Clark
- Centre for Intelligent Healthcare, Coventry University, Coventry, CV15FB, U.K
| | - Sakineh Shab-Bidar
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
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Mazzoli A, Spagnuolo MS, Nazzaro M, Gatto C, Iossa S, Cigliano L. Fructose Removal from the Diet Reverses Inflammation, Mitochondrial Dysfunction, and Oxidative Stress in Hippocampus. Antioxidants (Basel) 2021; 10:487. [PMID: 33804637 PMCID: PMC8003595 DOI: 10.3390/antiox10030487] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/12/2021] [Accepted: 03/17/2021] [Indexed: 11/16/2022] Open
Abstract
Young age is often characterized by high consumption of processed foods and fruit juices rich in fructose, which, besides inducing a tendency to become overweight, can promote alterations in brain function. The aim of this study was therefore to (a) clarify brain effects resulting from fructose consumption in juvenile age, a critical phase for brain development, and (b) verify whether these alterations can be rescued after removing fructose from the diet. Young rats were fed a fructose-rich or control diet for 3 weeks. Fructose-fed rats were then fed a control diet for a further 3 weeks. We evaluated mitochondrial bioenergetics by high-resolution respirometry in the hippocampus, a brain area that is critically involved in learning and memory. Glucose transporter-5, fructose and uric acid levels, oxidative status, and inflammatory and synaptic markers were investigated by Western blotting and spectrophotometric or enzyme-linked immunosorbent assays. A short-term fructose-rich diet induced mitochondrial dysfunction and oxidative stress, associated with an increased concentration of inflammatory markers and decreased Neurofilament-M and post-synaptic density protein 95. These alterations, except for increases in haptoglobin and nitrotyrosine, were recovered by returning to a control diet. Overall, our results point to the dangerous effects of excessive consumption of fructose in young age but also highlight the effect of partial recovery by switching back to a control diet.
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Affiliation(s)
- Arianna Mazzoli
- Department of Biology, University of Naples Federico II, Complesso Universitario Monte Sant’Angelo, 80126 Naples, Italy; (A.M.); (M.N.); (C.G.); (S.I.)
| | - Maria Stefania Spagnuolo
- Department of Bio-Agrofood Science, Institute for the Animal Production System, National Research Council, 80147 Naples, Italy;
| | - Martina Nazzaro
- Department of Biology, University of Naples Federico II, Complesso Universitario Monte Sant’Angelo, 80126 Naples, Italy; (A.M.); (M.N.); (C.G.); (S.I.)
| | - Cristina Gatto
- Department of Biology, University of Naples Federico II, Complesso Universitario Monte Sant’Angelo, 80126 Naples, Italy; (A.M.); (M.N.); (C.G.); (S.I.)
| | - Susanna Iossa
- Department of Biology, University of Naples Federico II, Complesso Universitario Monte Sant’Angelo, 80126 Naples, Italy; (A.M.); (M.N.); (C.G.); (S.I.)
| | - Luisa Cigliano
- Department of Biology, University of Naples Federico II, Complesso Universitario Monte Sant’Angelo, 80126 Naples, Italy; (A.M.); (M.N.); (C.G.); (S.I.)
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Sweet but Bitter: Focus on Fructose Impact on Brain Function in Rodent Models. Nutrients 2020; 13:nu13010001. [PMID: 33374894 PMCID: PMC7821920 DOI: 10.3390/nu13010001] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 12/11/2020] [Accepted: 12/17/2020] [Indexed: 12/13/2022] Open
Abstract
Fructose consumption has drastically increased during the last decades due to the extensive commercial use of high-fructose corn syrup as a sweetener for beverages, snacks and baked goods. Fructose overconsumption is known to induce obesity, dyslipidemia, insulin resistance and inflammation, and its metabolism is considered partially responsible for its role in several metabolic diseases. Indeed, the primary metabolites and by-products of gut and hepatic fructolysis may impair the functions of extrahepatic tissues and organs. However, fructose itself causes an adenosine triphosphate (ATP) depletion that triggers inflammation and oxidative stress. Many studies have dealt with the effects of this sugar on various organs, while the impact of fructose on brain function is, to date, less explored, despite the relevance of this issue. Notably, fructose transporters and fructose metabolizing enzymes are present in brain cells. In addition, it has emerged that fructose consumption, even in the short term, can adversely influence brain health by promoting neuroinflammation, brain mitochondrial dysfunction and oxidative stress, as well as insulin resistance. Fructose influence on synaptic plasticity and cognition, with a major impact on critical regions for learning and memory, was also reported. In this review, we discuss emerging data about fructose effects on brain health in rodent models, with special reference to the regulation of food intake, inflammation, mitochondrial function and oxidative stress, insulin signaling and cognitive function.
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Suara SB, Siassi F, Saaka M, Rahimi Foroshani A, Sotoudeh G. Association between Carbohydrate Quality Index and general and abdominal obesity in women: a cross-sectional study from Ghana. BMJ Open 2019; 9:e033038. [PMID: 31874884 PMCID: PMC7008417 DOI: 10.1136/bmjopen-2019-033038] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
OBJECTIVES The relationships between carbohydrate intake and risk of obesity have been widely investigated. However, there are limited data on the associations between their relative proportions and quality contained in the same diet on risk of obesity, especially in low-income and middle-income countries. The aim of this study was to assess the relationship between an overall Carbohydrate Quality Index (CQI) and general and abdominal obesity in women. SETTING AND PARTICIPANTS In this cross-sectional study, data from 277 women in Ghana were analysed. Dietary information was obtained from 2-day 24 hours dietary recalls. CQI was calculated from the four indices dietary fibre, Glycaemic Index, whole grains/total grains ratio and solid carbohydrates/total carbohydrates ratio. OUTCOME MEASURES Body mass index, waist circumference (WC), waist-to-height ratio (WHtR) and Conicity Index were measured. RESULTS After adjusting for covariates, the chance for general obesity (OR 0.25, 95% CI 0.10 to 0.65) and abdominal obesity measured by WC (OR 0.22, 95% CI 0.08 to 0.58) were significantly lower in the topmost quintile of CQI in comparison with the lowest quintile. In addition, the OR for higher WHtR (OR 0.27, 95% CI 0.11 to 0.69) was significantly lower among participants in the fifth quintile of CQI compared with those in the first quintile. CONCLUSIONS The present study demonstrates that there is an inverse association between dietary CQI and both general and abdominal obesity. These findings suggest that CQI may be used for the improvement of dietary intake to prevent obesity.
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Affiliation(s)
- Sufyan Bakuri Suara
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, International College, Tehran University of Medical Sciences, Tehran, Iran, Tehran, Iran (the Islamic Republic of)
| | - Fereydoun Siassi
- Department of Community Nutrition, Tehran University of Medical Sciences, Tehran, Iran (the Islamic Republic of)
| | - Mahama Saaka
- Community Nutrition, University for Development Studies, Tamale, Ghana
| | - Abbas Rahimi Foroshani
- Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran, Islamic Republic of
| | - Gity Sotoudeh
- Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran, Iran (the Islamic Republic of)
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Ganle JK, Boakye PP, Baatiema L. Childhood obesity in urban Ghana: evidence from a cross-sectional survey of in-school children aged 5-16 years. BMC Public Health 2019; 19:1561. [PMID: 31771549 PMCID: PMC6880588 DOI: 10.1186/s12889-019-7898-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 11/05/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Childhood obesity is a growing public health concern in many low-income urban settings; but its determinants are not clear. The purpose of this study is to assess the prevalence of childhood obesity and associated factors among in-school children aged 5-16 years in a Metropolitan district of Ghana. METHODS A cross-sectional quantitative survey was conducted among a sample of 285 in-school children aged 5-16 years. Pre-tested questionnaires and anthropometric data collection methods were used to collect data. Descriptive, bivariate, binary and multivariate logistic regression statistical techniques were used to analyse data. RESULTS Some 46.9% (42.2% for males and 51.7% for females) of the children were overweight. Of this, 21.2% were obese (BMI falls above 95th percentile). Childhood obesity was higher in private school (26.8%) than public school (21.4%), and among girls (27.2%) than boys (19%). Factors that increased obesity risks included being aged 11-16 as against 5-10 years (aOR = 6.07; 95%CI = 1.17-31.45; p = 0.025), having a father whose highest education is 'secondary' (aOR =2.97; 95% CI = 1.09-8.08; p = 0.032), or 'tertiary' (aOR = 3.46; 95% CI = 1.27-9.42; p = 0.015), and consumption of fizzy drinks most days of the week (aOR = 2.84; 95% CI = 1.24-6.52; p = 0.014). Factors that lowered obesity risks included engaging in sport at least 3times per week (aOR = 0.56; 95% CI = 0.33-0.96; p = 0.034), and sleeping for more than 8 h per day (aOR = 0.38; 95% CI = 0.19-0.79; p = 0.009). CONCLUSION Higher parental (father) educational attainment and frequent consumption of fizzy drinks per week may increase obesity risks among in-school children aged 5-16 years in the Metropolitan district of Ghana. However, regular exercise (playing sport at least 3 times per week) and having 8 or more hours of sleep per day could lower obesity risks in the same population. Age and sex-appropriate community and school-based interventions are needed to promote healthy diet selection and consumption, physical activity and healthy life styles among in-school children.
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Affiliation(s)
- John Kuumuori Ganle
- Department of Population,Family and Reproductive Health, School of Public Health, University of Ghana, P.O. Box LG 13, Legon, Accra, Ghana. .,Stellenbosch Institute for Advanced Study (STIAS), Wallenberg Research Centre at Stellenbosch University, Stellenbosch, 7600, South Africa.
| | - Priscilla Pokuaa Boakye
- Department of Population,Family and Reproductive Health, School of Public Health, University of Ghana, P.O. Box LG 13, Legon, Accra, Ghana
| | - Leonard Baatiema
- Regional Institute for Population Studies, University of Ghana, Accra, Ghana
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Rodgers M, Heineman B, Dushay J. Increased fructose consumption has sex-specific effects on fibroblast growth factor 21 levels in humans. Obes Sci Pract 2019; 5:503-510. [PMID: 31687174 PMCID: PMC6819978 DOI: 10.1002/osp4.360] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 06/26/2019] [Accepted: 06/30/2019] [Indexed: 12/27/2022] Open
Abstract
OBJECTIVE Fibroblast growth factor 21 (FGF21), a primarily hepatic hormone with pleotropic metabolic effects, is regulated by fructose in humans. Recent work has established that 75 g of oral fructose robustly stimulates FGF21 levels in humans with peak levels occurring 2 h following ingestion; this has been termed an oral fructose tolerance test (OFTT). It is unknown whether prolonged high-fructose consumption influences the FGF21 response to acute fructose or whether biological sex influences FGF21-fructose dynamics. METHODS Thirty-nine healthy adults underwent baseline OFTT following an overnight fast. For the high-fructose exposure protocol, 20 subjects ingested 75 g of fructose daily for 14 ± 3 d, followed by repeat OFTT. For the control group, an OFTT was repeated following 14 ± 3 d of ad lib diet. For all subjects, FGF21 levels, glucose, insulin, non-esterified fatty acids and triglyceride levels were measured at baseline and 2 h following OFTT. All subjects maintained 3-d food logs prior to OFTT testing. RESULTS Women demonstrated significantly higher baseline and peak stimulated total and intact FGF21 levels compared with men both before and after high-fructose exposure. Baseline total and intact FGF21 levels decreased following ongoing fructose exposure, maintaining a stable ratio. This decrease was sex specific, with only women demonstrating decreased baseline FGF21 levels. There were no changes in metabolic or anthropometric parameters following the high-fructose exposure. CONCLUSIONS Daily ingestion of 75 g of fructose for 2 weeks results in a sex-specific decrease in baseline FGF21 levels without change in body weight or biochemical evidence of metabolic injury. There were also sex-specific differences in peak fructose-stimulated FGF21 levels, which do not change with high-fructose consumption. The role of FGF21 in the development of metabolic disease caused by fructose consumption may differ based on biological sex. Future long-term studies should consider sex differences in FGF21-fructose dynamics.
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Affiliation(s)
- M. Rodgers
- Division of Endocrinology and MetabolismBeth Israel Deaconess Medical CenterBostonMAUSA
| | - B. Heineman
- Division of Endocrinology and MetabolismBeth Israel Deaconess Medical CenterBostonMAUSA
| | - J. Dushay
- Division of Endocrinology and MetabolismBeth Israel Deaconess Medical CenterBostonMAUSA
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17
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Rai AK, Jaiswal N, Maurya CK, Sharma A, Ahmad I, Ahmad S, Gupta AP, Gayen JR, Tamrakar AK. Fructose-induced AGEs-RAGE signaling in skeletal muscle contributes to impairment of glucose homeostasis. J Nutr Biochem 2019; 71:35-44. [PMID: 31272030 DOI: 10.1016/j.jnutbio.2019.05.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 05/22/2019] [Accepted: 05/24/2019] [Indexed: 02/06/2023]
Abstract
Increased fructose intake has been linked to the development of dyslipidemia, obesity and impaired glucose tolerance. Due to its specific metabolic fate, fructose impairs normal lipid and carbohydrate metabolism and facilitates the non-enzymatic glycation reaction leading to enhanced accumulation of advanced glycation end products (AGEs). However, the formation of fructose-AGEs under in vivo setup and its tissue specific accumulation is less explored. Here, we investigated the impact of high fructose on AGEs accumulation in skeletal muscle and its causal role in impaired glucose homeostasis. In L6 rat skeletal muscle cells, chronic exposure to fructose induced AGEs accumulation and the cellular level of the receptor for AGEs (RAGE) and the effect was prevented by pharmacological inhibition of glycation. Under in vivo settings, Sprague Dawley rats exposed to 20% fructose in drinking water for 16 weeks, displayed increased fasting glycemia, impaired glucose tolerance, decreased skeletal muscle Akt (Ser-473) phosphorylation, and enhanced triglyceride levels in serum, liver and gastrocnemius muscle. We also observed a high level of AGEs in serum and gastrocnemius muscle of fructose-supplemented animals, associated with methylglyoxal accumulation and up regulated expression of RAGE in gastrocnemius muscle. Treatment with aminoguanidine inhibited fructose-induced AGEs accumulation and normalized the expression of RAGE and Dolichyl-Diphosphooligosaccharide-Protein Glycosyltransferase (DDOST) in gastrocnemius muscle. Inhibition of AGEs-RAGE axis counteracted fructose-mediated glucose intolerance without affecting energy metabolism. These data reveal diet-derived AGEs accumulation in skeletal muscle and the implication of tissue specific AGEs in metabolic derangement, that may open new perspectives in pathogenic mechanisms and management of metabolic diseases.
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Affiliation(s)
- Amit K Rai
- Biochemistry Division, CSIR-Central Drug Research Institute, Lucknow-226031
| | - Natasha Jaiswal
- Biochemistry Division, CSIR-Central Drug Research Institute, Lucknow-226031
| | - Chandan K Maurya
- Biochemistry Division, CSIR-Central Drug Research Institute, Lucknow-226031
| | - Aditya Sharma
- Biochemistry Division, CSIR-Central Drug Research Institute, Lucknow-226031
| | - Ishbal Ahmad
- Biochemistry Division, CSIR-Central Drug Research Institute, Lucknow-226031
| | - Shadab Ahmad
- Biochemistry Division, CSIR-Central Drug Research Institute, Lucknow-226031; Academy of Scientific and Innovative Research (AcSIR), New Delhi-201002, India
| | - Anand P Gupta
- Pharmacokinetics and Metabolism Division, CSIR-Central Drug Research Institute, Lucknow-226031
| | - Jiaur R Gayen
- Pharmacokinetics and Metabolism Division, CSIR-Central Drug Research Institute, Lucknow-226031
| | - Akhilesh K Tamrakar
- Biochemistry Division, CSIR-Central Drug Research Institute, Lucknow-226031; Academy of Scientific and Innovative Research (AcSIR), New Delhi-201002, India.
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18
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Fructose Consumption and Lipid Metabolism in Obese Children and Adolescents. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1153:91-100. [PMID: 30701440 DOI: 10.1007/5584_2018_330] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Inappropriate dietary habits influence the development of excessive body weight. The role of added sugars, including fructose, notably is significant in this process. It is estimated that fructose intake has increased many times over the past two centuries. The aim of the study was to define the effect of fructose consumption on anthropometric indices and lipid metabolism in obese (body mass index (BMI) >30 kg/m2) children and adolescents. The study included 84 patients (47 girls and 37 boys) aged 7-18 years, divided into prepubertal, pubertal, and post-pubertal age groups. Aside from BMI, the assessment comprised waist circumference, body composition estimated with bioelectrical impedance (BIA), plasma lipid profile, fructose intake consumption based on a 3-day menu analysis, and a number of calculated atherogenic indices. The major findings were that total daily fructose intake was high, on average, ranging from 19 to 26 g, with no appreciable relation to age. A higher fructose intake from beverages is significantly associated with the percentage of body fat, waist circumference, waist-to-height ratio, and also with the content of total cholesterol, triglycerides, and the level of atherogenic indices. In conclusion, fructose appears a particularly unfavorable component in children's diet as it is conducive to visceral obesity and atherogenic lipid profile. However, inadequate proportions of other macronutrients may also be at play in the development of metabolic diet-related disorders.
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19
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Strober JW, Brady MJ. Dietary Fructose Consumption and Triple-Negative Breast Cancer Incidence. Front Endocrinol (Lausanne) 2019; 10:367. [PMID: 31244777 PMCID: PMC6581676 DOI: 10.3389/fendo.2019.00367] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 05/23/2019] [Indexed: 12/13/2022] Open
Abstract
In the past century the western world has found a way to combat most communicative diseases; however, throughout that time the prevalence of obesity, hyperglycemia, and hyperlipidemia have drastically increased. These symptoms characterize metabolic syndrome-a non-communicable disease which has become one of the greatest health hazards of the world. During this same time period the western diet had dramatically changed. Homecooked meals have been replaced by highly-processed, calorically dense foods. This conversion to the current western diet was highlighted by the incorporation of high-fructose corn syrup (HFCS) into sweetened beverages and foods. The consumption of large amounts of dietary sugar, and fructose in particular, has been associated with an altered metabolic state, both systemically and in specific tissues. This altered metabolic state has many profound effects and is associated with many diseases, including diabetes, cardiovascular disease, and even cancer (1). Specific types of cancer, like triple-negative breast cancer (TNBC), are both responsive to dietary factors and exceptionally difficult to treat, illustrating the possibility for preventative care through dietary intervention in at risk populations. To treat these non-communicable diseases, including obesity, diabetes, and cancer, it is imperative to understand systemic and localized metabolic abnormalities that drive its progression. This review will specifically explore the links between increased dietary fructose consumption, development of metabolic disturbances and increased incidence of TNBC.
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Affiliation(s)
- Jordan W. Strober
- Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, IL, United States
| | - Matthew J. Brady
- Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, IL, United States
- Department of Medicine, Section of Endocrinology, Diabetes and Metabolism, University of Chicago, Chicago, IL, United States
- *Correspondence: Matthew J. Brady
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20
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Migdal A, Comte S, Rodgers M, Heineman B, Flier EM, Herman M, Dushay J. Fibroblast growth factor 21 and fructose dynamics in humans. Obes Sci Pract 2018; 4:483-489. [PMID: 30338119 PMCID: PMC6180711 DOI: 10.1002/osp4.295] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 07/16/2018] [Accepted: 07/18/2018] [Indexed: 02/07/2023] Open
Abstract
Objective Fructose consumption is a risk factor for metabolic disease. We recently demonstrated that fibroblast growth factor 21 (FGF21), a metabolic hormone involved in lipid and glucose metabolism, is acutely stimulated in humans by 75 g oral fructose, with peak levels occurring 2 h after consumption. This study reports on the dose dependency and reproducibility of the FGF21 response to fructose. Methods Lean, healthy adults drank either five different doses of fructose dissolved in water, each separated by 2 weeks, or the same dose on three occasions, each separated by 1 week. Results Fibroblast growth factor 21 levels peaked at 2 h in a dose-dependent manner. No significant increase in FGF21 was seen after consumption of 10 g fructose, while robust increases were seen after drinking solutions containing 30, 50 and 75 g. At 2 h, the minimal fold change of FGF21 was highest following a 75 g fructose drink, and all subjects demonstrated at least a doubling of FGF21 levels following consumption of this dose. Conclusions The increase in FGF21 following an oral fructose challenge is dose dependent, with levels peaking at 2 h independent of dose. The FGF21 response to 75 g fructose is also highly reproducible within individuals. Clinical Implications By demonstrating that the FGF21 response to fructose is dose dependent and reproducible, this study deepens current understanding of FGF21 fructose dynamics and physiology in humans. This is an important area of clinical interest given associations between fructose intake and a wide variety of metabolic derangements.
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Affiliation(s)
- A. Migdal
- Division of EndocrinologyBeth Israel Deaconess Medical CenterBostonMAUSA
| | - S. Comte
- Division of EndocrinologyBeth Israel Deaconess Medical CenterBostonMAUSA
| | - M. Rodgers
- Division of EndocrinologyBeth Israel Deaconess Medical CenterBostonMAUSA
| | - B. Heineman
- Division of EndocrinologyBeth Israel Deaconess Medical CenterBostonMAUSA
| | - E. M. Flier
- Division of EndocrinologyBeth Israel Deaconess Medical CenterBostonMAUSA
| | - M. Herman
- Division of EndocrinologyBeth Israel Deaconess Medical CenterBostonMAUSA
| | - J. Dushay
- Division of EndocrinologyBeth Israel Deaconess Medical CenterBostonMAUSA
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Liu PK, Weng ZM, Ge GB, Li HL, Ding LL, Dai ZR, Hou XD, Leng YH, Yu Y, Hou J. Biflavones from Ginkgo biloba as novel pancreatic lipase inhibitors: Inhibition potentials and mechanism. Int J Biol Macromol 2018; 118:2216-2223. [DOI: 10.1016/j.ijbiomac.2018.07.085] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2018] [Revised: 07/11/2018] [Accepted: 07/12/2018] [Indexed: 12/27/2022]
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Habitual Fructose Intake Relates to Insulin Sensitivity and Fatty Liver Index in Recent-Onset Type 2 Diabetes Patients and Individuals without Diabetes. Nutrients 2018; 10:nu10060774. [PMID: 29914103 PMCID: PMC6024554 DOI: 10.3390/nu10060774] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 06/07/2018] [Accepted: 06/13/2018] [Indexed: 12/16/2022] Open
Abstract
The association between the amount and sources of fructose intake with insulin sensitivity and liver fat needs further elucidation. This study aimed at examining whether habitual intake of sucrose plus non-sucrose bound as well as of non-sucrose bound fructose (total fructose, fruit-derived, juice-derived, sugar sweetened beverages (SSB)-derived fructose) is cross-sectionally associated with insulin sensitivity and fatty liver index (FLI). Fructose intake was estimated using the EPIC food frequency questionnaire from 161 participants with type 2 diabetes (T2D) in the ongoing German Diabetes Study (GDS) (age 53 ± 9 years; HbA1c 6.4 ± 0.9%) and 62 individuals without diabetes (CON) (47 ± 14 years; 5.3 ± 0.3%). Peripheral (M-value) and hepatic insulin resistance were assessed by hyperinsulinemic-euglycemic clamps with stable isotope dilution. FLI was calculated based on body mass index, waist circumference, triglyceride and gamma glutamyl transferase concentrations. Multivariable linear regression analyses were performed. A doubling of SSB-derived sucrose plus non-sucrose bound as well as of non-sucrose bound fructose intake was independently associated with a reduction of the M-value by −2.6% (−4.9; −0.2) and −2.7% (−5.2; −0.1) among T2D, respectively, with an increase in the odds of fatty liver by 16% and 17%, respectively among T2D (all p < 0.05). Doubling fruit-derived sucrose plus non-sucrose bound fructose intake independently related to a reduction in the odds of fatty liver by 13% (p = 0.033) among T2D. Moderate SSB-derived fructose intake may detrimentally affect peripheral insulin sensitivity, whereas fruit-derived fructose intake appeared beneficial for liver fat content.
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Ludwig DS, Hu FB, Tappy L, Brand-Miller J. Dietary carbohydrates: role of quality and quantity in chronic disease. BMJ 2018; 361:k2340. [PMID: 29898880 PMCID: PMC5996878 DOI: 10.1136/bmj.k2340] [Citation(s) in RCA: 156] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- David S Ludwig
- New Balance Foundation Obesity Prevention Center, Boston Children's Hospital, Boston, MA, USA
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA
- Department of Nutrition, Harvard T H Chan School of Public Health, Boston, USA
| | - Frank B Hu
- Department of Nutrition, Harvard T H Chan School of Public Health, Boston, USA
- Channing Division of Network Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston
| | - Luc Tappy
- Department of Physiology, University of Lausanne, Lausanne, Switzerland
| | - Jennie Brand-Miller
- Charles Perkins Centre, School of Life and Environmental Sciences, University of Sydney, Sydney, Australia
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Nassar O, Shaheen AM, Jarrah SS, Norton ME, Khalaf IA, Mohammad Hamdan K. Jordanian adolescents' health behaviour and school climate. J Res Nurs 2018; 23:58-73. [PMID: 34394408 DOI: 10.1177/1744987117741668] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Aim This study was conducted to assess the occurrence of physical activity, nutritional habits, tooth brushing and seat belt use behaviour among adolescent school students in Jordan, and to examine the effect of psychosocial aspects of school on these behaviours. Method A cross-sectional descriptive correlational design was used to draw a sample of in-school adolescents aged between 11 and 15 years. The final sample included 1166 adolescents from five public and two private schools. Study participants filled in a translated version of the health behaviour in school aged children questionnaire. Descriptive statistics, correlational (point biserial), and bivariate analyses (chi-square tests) were used to analyse the data. Results Among the study sample 34.5% of the adolescents practised exercise outside school hours once a week or less frequently, and only 53.1% of them brushed their teeth more than once a day. Regarding seat belt use, 44.7% of the adolescents used them rarely or never. Concerning carbonated sugary drinks and sweets consumption, about 64% and 83.3% of the adolescents, respectively, consumed them once a day or more often. The percentages of adolescents who never drank low fat or whole fat milk were 43.1% and 38.2%, respectively. Conclusions The study concluded that school adolescents do engage in unhealthy behaviour. Psychosocial aspect of schools were associated with students' physical activity, nutritional habits, tooth brushing and seat belt use behaviours.
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Affiliation(s)
- Omayyah Nassar
- Assistant Professor, Department of Maternal and Child Health Nursing, The University of Jordan, Jordan
| | - Abeer Mohammed Shaheen
- Assistant Professor, Department of Community Health Nursing, The University of Jordan, Jordan
| | - Samiha S Jarrah
- Professor, Faculty of Nursing, Applied Science Private University, Jordan
| | - Mary E Norton
- Professor, The Franciscan College of New Jersey, USA
| | - Inaam A Khalaf
- Professor, Department of Maternal and Child Health Nursing, The University of Jordan, Jordan
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Ter Horst KW, Serlie MJ. Fructose Consumption, Lipogenesis, and Non-Alcoholic Fatty Liver Disease. Nutrients 2017; 9:E981. [PMID: 28878197 PMCID: PMC5622741 DOI: 10.3390/nu9090981] [Citation(s) in RCA: 171] [Impact Index Per Article: 24.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 08/25/2017] [Accepted: 09/04/2017] [Indexed: 02/07/2023] Open
Abstract
Increased fructose consumption has been suggested to contribute to non-alcoholic fatty liver disease (NAFLD), dyslipidemia, and insulin resistance, but a causal role of fructose in these metabolic diseases remains debated. Mechanistically, hepatic fructose metabolism yields precursors that can be used for gluconeogenesis and de novo lipogenesis (DNL). Fructose-derived precursors also act as nutritional regulators of the transcription factors, including ChREBP and SREBP1c, that regulate the expression of hepatic gluconeogenesis and DNL genes. In support of these mechanisms, fructose intake increases hepatic gluconeogenesis and DNL and raises plasma glucose and triglyceride levels in humans. However, epidemiological and fructose-intervention studies have had inconclusive results with respect to liver fat, and there is currently no good human evidence that fructose, when consumed in isocaloric amounts, causes more liver fat accumulation than other energy-dense nutrients. In this review, we aim to provide an overview of the seemingly contradicting literature on fructose and NAFLD. We outline fructose physiology, the mechanisms that link fructose to NAFLD, and the available evidence from human studies. From this framework, we conclude that the cellular mechanisms underlying hepatic fructose metabolism will likely reveal novel targets for the treatment of NAFLD, dyslipidemia, and hepatic insulin resistance. Finally, fructose-containing sugars are a major source of excess calories, suggesting that a reduction of their intake has potential for the prevention of NAFLD and other obesity-related diseases.
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Affiliation(s)
- Kasper W Ter Horst
- Department of Endocrinology and Metabolism, Academic Medical Center, Meibergdreef 9, 1105AZ Amsterdam, The Netherlands.
| | - Mireille J Serlie
- Department of Endocrinology and Metabolism, Academic Medical Center, Meibergdreef 9, 1105AZ Amsterdam, The Netherlands.
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Ter Horst KW, Gilijamse PW, Demirkiran A, van Wagensveld BA, Ackermans MT, Verheij J, Romijn JA, Nieuwdorp M, Maratos-Flier E, Herman MA, Serlie MJ. The FGF21 response to fructose predicts metabolic health and persists after bariatric surgery in obese humans. Mol Metab 2017; 6:1493-1502. [PMID: 29107295 PMCID: PMC5681276 DOI: 10.1016/j.molmet.2017.08.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 08/24/2017] [Accepted: 08/30/2017] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVE Fructose consumption has been implicated in the development of obesity and insulin resistance. Emerging evidence shows that fibroblast growth factor 21 (FGF21) has beneficial effects on glucose, lipid, and energy metabolism and may also mediate an adaptive response to fructose ingestion. Fructose acutely stimulates circulating FGF21 consistent with a hormonal response. We aimed to evaluate whether fructose-induced FGF21 secretion is linked to metabolic outcomes in obese humans before and after bariatric surgery-induced weight loss. METHODS We recruited 40 Roux-en-Y gastric bypass patients and assessed the serum FGF21 response to fructose (75-g fructose tolerance test) and basal and insulin-mediated glucose and lipid fluxes during a 2-step hyperinsulinemic-euglycemic clamp with infusion of [6,6-2H2] glucose and [1,1,2,3,3-2H5] glycerol. Liver biopsies were obtained during bariatric surgery. Nineteen subjects underwent the same assessments at 1-year follow-up. RESULTS Serum FGF21 increased 3-fold at 120 min after fructose ingestion and returned to basal levels at 300 min. Neither basal FGF21 nor the fructose-FGF21 response correlated with liver fat content or liver histopathology, but increased levels were associated with elevated endogenous glucose production, increased lipolysis, and peripheral/muscle insulin resistance. At 1-year follow-up, subjects had lost 28 ± 6% of body weight and improved in all metabolic outcomes, but fructose-stimulated FGF21 dynamics did not markedly differ from the pre-surgical state. The association between increased basal and stimulated FGF21 levels with poor metabolic health was no longer present after weight loss. CONCLUSIONS Fructose ingestion in obese humans stimulates FGF21 secretion, and this response is related to systemic metabolism. Further studies are needed to establish if FGF21 signaling is (patho)physiologically involved in fructose metabolism and metabolic health.
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Affiliation(s)
- Kasper W Ter Horst
- Department of Endocrinology and Metabolism, Academic Medical Center, Meibergdreef 9, 1105AZ Amsterdam, The Netherlands
| | - Pim W Gilijamse
- Department of Endocrinology and Metabolism, Academic Medical Center, Meibergdreef 9, 1105AZ Amsterdam, The Netherlands
| | - Ahmet Demirkiran
- Department of Surgery, Red Cross Hospital, Vondellaan 13, 1942LE Beverwijk, The Netherlands
| | | | - Mariette T Ackermans
- Department of Clinical Chemistry, Laboratory of Endocrinology, Academic Medical Center, Meibergdreef 9, 1105AZ Amsterdam, The Netherlands
| | - Joanne Verheij
- Department of Pathology, Academic Medical Center, Meibergdreef 9, 1105AZ Amsterdam, The Netherlands
| | - Johannes A Romijn
- Department of Medicine, Academic Medical Center, Meibergdreef 9, 1105AZ Amsterdam, The Netherlands
| | - Max Nieuwdorp
- Department of Vascular Medicine, Academic Medical Center, Meibergdreef 9, 1105AZ Amsterdam, The Netherlands; Department of Internal Medicine, VU University Medical Center, De Boelelaan 1117, 1081HV Amsterdam, The Netherlands; Institute for Cardiovascular Research, VU University Medical Center, De Boelelaan 1117, 1081HV Amsterdam, The Netherlands
| | - Eleftheria Maratos-Flier
- Division of Endocrinology and Metabolism, Beth Israel Deaconess Medical Center, 330 Brookline Ave, Center for Life Sciences, Boston, MA 02215, USA
| | - Mark A Herman
- Division of Endocrinology, Metabolism and Nutrition, Duke University School of Medicine, 300 N. Duke Street, Carmichael Building, Durham, NC 27701, USA
| | - Mireille J Serlie
- Department of Endocrinology and Metabolism, Academic Medical Center, Meibergdreef 9, 1105AZ Amsterdam, The Netherlands.
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Impact of Fish Oil Supplementation and Interruption of Fructose Ingestion on Glucose and Lipid Homeostasis of Rats Drinking Different Concentrations of Fructose. BIOMED RESEARCH INTERNATIONAL 2017; 2017:4378328. [PMID: 28929113 PMCID: PMC5591931 DOI: 10.1155/2017/4378328] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2017] [Revised: 06/20/2017] [Accepted: 06/28/2017] [Indexed: 12/28/2022]
Abstract
Background. Continuous fructose consumption may cause elevation of circulating triacylglycerol. However, how much of this alteration is reverted after the removal of fructose intake is not known. We explored this question and compared the efficacy of this approach with fish oil supplementation. Methods. Male Wistar rats were divided into the following groups: control (C), fructose (F) (water intake with 10% or 30% fructose for 9 weeks), fish oil (FO), and fructose/fish oil (FFO). Fish oil was supplemented only for the last 33 days of fructose ingestion. Half of the F group remained for additional 8 weeks without fructose ingestion (FR). Results. Fructose ingestion reduced food intake to compensate for the increased energy obtained through water ingestion, independent of fructose concentration. Fish oil supplementation exerted no impact on these parameters, but the removal of fructose from water recovered both ingestion behaviors. Plasma triacylglycerol augmented significantly during the second and third weeks (both fructose groups). Fish oil supplementation did not attenuate the elevation in triacylglycerol caused by fructose intake, but the interruption of sugar consumption normalized this parameter. Conclusion. Elevation in triacylglyceridemia may be recovered by removing fructose from diet, suggesting that it is never too late to repair improper dietary habits.
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Abdussalam A, Elshenawy OH, bin Jardan YA, El-Kadi AO, Brocks DR. The Obesogenic Potency of Various High-Caloric Diet Compositions in Male Rats, and Their Effects on Expression of Liver and Kidney Proteins Involved in Drug Elimination. J Pharm Sci 2017; 106:1650-1658. [DOI: 10.1016/j.xphs.2017.02.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 01/12/2017] [Accepted: 02/01/2017] [Indexed: 12/15/2022]
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Janssens S, Ciapaite J, Wolters JC, van Riel NA, Nicolay K, Prompers JJ. An In Vivo Magnetic Resonance Spectroscopy Study of the Effects of Caloric and Non-Caloric Sweeteners on Liver Lipid Metabolism in Rats. Nutrients 2017; 9:nu9050476. [PMID: 28489050 PMCID: PMC5452206 DOI: 10.3390/nu9050476] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 04/26/2017] [Accepted: 05/03/2017] [Indexed: 12/14/2022] Open
Abstract
We aimed to elucidate the effects of caloric and non-caloric sweeteners on liver lipid metabolism in rats using in vivo magnetic resonance spectroscopy (MRS) and to determine their roles in the development of liver steatosis. Wistar rats received normal chow and either normal drinking water, or solutions containing 13% (w/v) glucose, 13% fructose, or 0.4% aspartame. After 7 weeks, in vivo hepatic dietary lipid uptake and de novo lipogenesis were assessed with proton-observed, carbon-13-edited MRS combined with 13C-labeled lipids and 13C-labeled glucose, respectively. The molecular basis of alterations in hepatic liver metabolism was analyzed in detail ex vivo using immunoblotting and targeted quantitative proteomics. Both glucose and fructose feeding increased adiposity, but only fructose induced hepatic lipid accumulation. In vivo MRS showed that this was not caused by increased hepatic uptake of dietary lipids, but could be attributed to an increase in de novo lipogenesis. Stimulation of lipogenesis by fructose was confirmed by a strong upregulation of lipogenic enzymes, which was more potent than with glucose. The non-caloric sweetener aspartame did not significantly affect liver lipid content or metabolism. In conclusion, liquid fructose more severely affected liver lipid metabolism in rats than glucose, while aspartame had no effect.
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Affiliation(s)
- Sharon Janssens
- Biomedical Nuclear Magnetic Resonance (NMR), Department of Biomedical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.
| | - Jolita Ciapaite
- Center for Liver, Digestive and Metabolic Diseases, Department of Pediatrics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands.
- Systems Biology Centre for Energy Metabolism and Ageing, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands.
| | - Justina C Wolters
- Systems Biology Centre for Energy Metabolism and Ageing, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands.
- Department of Pharmacy, Analytical Biochemistry, University of Groningen, Antonius Deusinglaan, 9713 AV Groningen, The Netherlands.
| | - Natal A van Riel
- Computational Biology, Department of Biomedical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.
| | - Klaas Nicolay
- Biomedical Nuclear Magnetic Resonance (NMR), Department of Biomedical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.
| | - Jeanine J Prompers
- Biomedical Nuclear Magnetic Resonance (NMR), Department of Biomedical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.
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Campos V, Despland C, Brandejsky V, Kreis R, Schneiter P, Boesch C, Tappy L. Metabolic Effects of Replacing Sugar-Sweetened Beverages with Artificially-Sweetened Beverages in Overweight Subjects with or without Hepatic Steatosis: A Randomized Control Clinical Trial. Nutrients 2017; 9:nu9030202. [PMID: 28264429 PMCID: PMC5372865 DOI: 10.3390/nu9030202] [Citation(s) in RCA: 9] [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: 01/04/2017] [Revised: 01/27/2017] [Accepted: 02/22/2017] [Indexed: 12/20/2022] Open
Abstract
Objective: Addition of fructose to the diet of normal weight and overweight subjects can increase postprandial plasma triglyceride and uric acid concentration. We, therefore, assessed whether replacing sugar-sweetened beverages (SSB) with artificially-sweetened beverages (ASB) in the diet of overweight and obese subjects would decrease these parameters. Methods: Twenty-six participants of the REDUCS study, which assessed the effects of replacing SSB by ASB over 12 weeks on intra-hepatocellular lipid concentration, were included in this sub-analysis. All were studied after a four-week run-in period during which they consumed their usual diet and SSBs, and after a 12-week intervention in which they were randomly assigned to replace their SSBs with ASBs (ASB arm) or to continue their usual diet and SSBs (control arm, CTRL). At the end of run-in (week 4) and again at the end of intervention (week 16), they took part in an 8.5 h metabolic investigation during which their plasma glucose, insulin, glucagon, lactate, triglyceride (TG), non-esterified fatty acids (NEFA), and uric acid concentrations were measured over a 30 min fasting period (−30–0 min), then every 2 h over 480 min. with ingestion of standard breakfast at time 0 min and a standard lunch at time 240 min. Breakfast and lunch were consumed together with a 3.3 dL SSB at week 4 and with either an ASB (ASB arm) or a SSB (CTRL arm) at week 16. After analyzing the whole group, a secondary analysis was performed on 14 subjects with hepatic steatosis (seven randomized to ASB, seven to CTRL) and 12 subjects without hepatic steatosis (six randomized to ASB and six to CTRL). Results: Ingestion of meals increased plasma glucose, insulin, glucagon, lactate, and TG concentrations and decreased NEFA concentrations, but with no significant difference of integrated postprandial responses between week 4 and week 16 in both ASB and CTRL, except for a slightly decreased glucagon response in ASB. There was, however, no significant postprandial increase in uric acid concentration in both arms. In the secondary analysis, replacing SSBs with ASBs did not significantly change postprandial TG and uric acid concentrations irrespective of the presence or not of hepatic steatosis, Conclusions: In overweight, high SSB consumers, replacing SSBs with ASBs during 12 weeks did not significantly alter post-prandial TG and uric acid concentration, in spite of the lower energy and fructose content of the meals. These effects were globally the same in subjects without and with hepatic steatosis.
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Affiliation(s)
- Vanessa Campos
- Department of Physiology, Faculty of Biology and Medicine, University of Lausanne, 1005 Lausanne, Switzerland.
| | - Camille Despland
- Department of Physiology, Faculty of Biology and Medicine, University of Lausanne, 1005 Lausanne, Switzerland.
| | - Vaclav Brandejsky
- Department of Clinical Research, University Bern and Institute of Diagnostic Interventional and Pediatric Radiology, University Hospital Bern, 3010 Bern, Switzerland.
- Graduate School for Cellular and Biomedical Sciences, University Bern, 3012 Bern, Switzerland.
| | - Roland Kreis
- Department of Clinical Research, University Bern and Institute of Diagnostic Interventional and Pediatric Radiology, University Hospital Bern, 3010 Bern, Switzerland.
| | - Philippe Schneiter
- Department of Physiology, Faculty of Biology and Medicine, University of Lausanne, 1005 Lausanne, Switzerland.
| | - Chris Boesch
- Department of Clinical Research, University Bern and Institute of Diagnostic Interventional and Pediatric Radiology, University Hospital Bern, 3010 Bern, Switzerland.
| | - Luc Tappy
- Department of Physiology, Faculty of Biology and Medicine, University of Lausanne, 1005 Lausanne, Switzerland.
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Rampersaud GC, Valim MF. 100% citrus juice: Nutritional contribution, dietary benefits, and association with anthropometric measures. Crit Rev Food Sci Nutr 2017; 57:129-140. [PMID: 25831042 DOI: 10.1080/10408398.2013.862611] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Citrus juices such as 100% orange (OJ) and grapefruit juice (GJ) are commonly consumed throughout the world. This review examines the contributions of OJ and GJ to nutrient intake, diet quality, and fruit intake, and supports citrus juices as nutrient-dense beverages. This review also explores the research examining associations between OJ and GJ intake and anthropometric measures. Citrus juices are excellent sources of vitamin C and contribute other key nutrients such as potassium, folate, magnesium, and vitamin A. OJ intake has been associated with better diet quality in children and adults. OJ intake has not been associated with adverse effects on weight or other body measures in observational studies in children and adults. In adults, some observational studies report more favorable body mass index or body measure parameters in OJ consumers compared to nonconsumers. Intervention studies in adults report no negative impacts of OJ or GJ consumption on anthropometric measures, although these measures were typically not the primary outcomes examined in the studies. Moderate consumption of citrus juices may provide meaningful nutritional and dietary benefits and do not appear to negatively impact body weight, body composition, or other anthropometric measures in children and adults.
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Affiliation(s)
- Gail C Rampersaud
- a Food Science and Human Nutrition Department , University of Florida , Gainesville , Florida , USA
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Marventano S, Ferranti R, Antoci M, Giogianni G, Nolfo F, Rametta S, Mistretta A. Association Between Sugar-Sweetened Beverages Consumption and Body Composition in Relation to Salt Among Adolescent Resident in Sicily, Southern Italy. CURRENT NUTRITION & FOOD SCIENCE 2017. [DOI: 10.2174/1573401312666161018130011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Antibody-Directed Glucocorticoid Targeting to CD163 in M2-type Macrophages Attenuates Fructose-Induced Liver Inflammatory Changes. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2016; 4:50-61. [PMID: 28344991 PMCID: PMC5363319 DOI: 10.1016/j.omtm.2016.11.004] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Accepted: 11/15/2016] [Indexed: 12/14/2022]
Abstract
Increased consumption of high-caloric carbohydrates contributes substantially to endemic non-alcoholic fatty liver disease in humans, covering a histological spectrum from fatty liver to steatohepatitis. Hypercaloric intake and lipogenetic effects of fructose and endotoxin-driven activation of liver macrophages are suggested to be essential to disease progression. In the present study, we show that a low dose of an anti-CD163-IgG-dexamethasone conjugate targeting the hemoglobin scavenger receptor CD163 in Kupffer cells and other M2-type macrophages has a profound effect on liver inflammatory changes in rats on a high-fructose diet. The diet induced severe non-alcoholic steatohepatitis (NASH)-like changes within a few weeks but the antibody-drug conjugate strongly reduced inflammation, hepatocyte ballooning, fibrosis, and glycogen deposition. Non-conjugated dexamethasone or dexamethasone conjugated to a control IgG did not have this effect but instead exacerbated liver lipid accumulation. The low-dose anti-CD163-IgG-dexamethasone conjugate displayed no apparent systemic side effects. In conclusion, macrophage targeting by antibody-directed anti-inflammatory low-dose glucocorticoid therapy seems to be a promising approach for safe treatment of fructose-induced liver inflammation.
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A possible link between hepatic mitochondrial dysfunction and diet-induced insulin resistance. Eur J Nutr 2016; 55:1-6. [PMID: 26476631 DOI: 10.1007/s00394-015-1073-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Accepted: 10/08/2015] [Indexed: 12/13/2022]
Abstract
BACKGROUND Mitochondria are the main cellular sites devoted to ATP production and lipid oxidation. Therefore, the mitochondrial dysfunction could be an important determinant of cellular fate of circulating lipids, that accumulate in the cytoplasm, if they are not oxidized. The ectopic fat accumulation is associated with the development of insulin resistance, and a link between mitochondrial dysfunction and insulin resistance has been proposed. METHODS Recent data on the possible link existing between mitochondrial dysfunction in the liver and diet induced obesity will be summarized, focusing on the three factors that affect the mitochondrial oxidation of metabolic fuels, i.e. organelle number, organelle activity, and energetic efficiency of the mitochondrial machinery in synthesizing ATP. Search in PubMed relevant articles from 2003 to 2014 was conducted, by using query “liver mitochondria and obesity” “hepatic mitochondria and obesity” “liver mitochondria and high fat diet” and “hepatic mitochondria and high fat diet” and including related articles by the same groups. RESULTS Several works, by using different physiological approaches, have dealt with alteration in mitochondrial function in obesity and diabetes. Most results show that hepatic mitochondrial function is impaired in models of obesity and insulin resistance induced by high-fat or highfructose feeding. CONCLUSIONS Since mitochondria are the main producers of both cellular energy and free radicals, dysfunctional mitochondria could play an important role in the development of insulin resistance and ectopic fat storage in the liver, thus supporting the emerging idea that mitochondrial dysfunction is closely related to the development of obesity, type 2 diabetes mellitus and non-alcoholic steatohepatitis.
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Le MT, Lanaspa MA, Cicerchi CM, Rana J, Scholten JD, Hunter BL, Rivard CJ, Randolph RK, Johnson RJ. Bioactivity-Guided Identification of Botanical Inhibitors of Ketohexokinase. PLoS One 2016; 11:e0157458. [PMID: 27322374 PMCID: PMC4913896 DOI: 10.1371/journal.pone.0157458] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2015] [Accepted: 05/31/2016] [Indexed: 12/11/2022] Open
Abstract
Objective In developed countries with westernized diets, the excessive consumption of added sugar in beverages and highly refined and processed foods is associated with increased risk for obesity, diabetes, and cardiovascular diseases. As a major constituent of added sugars, fructose has been shown to cause a variety of adverse metabolic effects, such as impaired insulin sensitivity, hypertriglyceridemia, and oxidative stress. Recent studies have shown that ketohexokinase isoform C is the key enzyme responsible in fructose metabolism that drive’s fructose's adverse effects. The objective of this study was to identify botanical ingredients with potential for inhibitory activity against ketohexokinase-C and fructose-induced metabolic effects by using a series of in vitro model systems. Methods Extracts from 406 botanicals and 1200 purified phytochemicals were screened (initial concentration of 50 μg/mL and 50 μM, respectively) for their inhibitory activity using a cell free, recombinant human ketohexokinase-C assay. Dose response evaluations were conducted on botanical extracts and phytochemicals that inhibited ketohexokinase-C by > 30% and > 40%, respectively. Two different extract lots of the top botanical candidates were further evaluated in lysates of HepG2 cells overexpressing ketohexokinase-C for inhibition of fructose-induced ATP depletion. In addition, extracts were evaluated in intact Hep G2 cells for inhibition of fructose-induced elevation of triglyceride and uric acid production. Results Among the botanical extracts, phloretin (Malus domestica) extracts were the most potent (IC50: 8.9–9.2 μg/mL) followed by extracts of Angelica archangelica (IC50: 22.6 μg/mL—57.3 μg/mL). Among the purified phytochemicals, methoxy-isobavachalcone (Psoralea corylifolia, IC50 = 0.2 μM) exhibited the highest potency against ketohexokinase isoform C activity followed by osthole (Angelica archangelica, IC50 = 0.7 μM), cratoxyarborenone E (Cratoxylum prunifolium, IC50 = 1.0 μM), and α-/γ-mangostin (Cratoxylum prunifolium, IC50 = 1.5 μM). Extracts of Angelica archangelica, Garcinia mangostana, Petroselinum crispum, and Scutellaria baicalensis exhibited ketohexokinase inhibitory activity and blocked fructose-induced ATP depletion and fructose-induced elevation in triglyerides and uric acid. Conclusions Angelica archangelica, Garcinia mangostana, Petroselinum crispum, and Scutellaria baicalensis were the top four botanical candidiates identified with inhibitory activity against ketohexokinase-C. Future studies are needed to show proof of mechanism and the efficacy of these botanical extracts in humans to blunt the negative metabolic effects of fructose-containing added sugars.
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Affiliation(s)
- MyPhuong T. Le
- Division of Renal Diseases and Hypertension, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America
- * E-mail:
| | - Miguel A. Lanaspa
- Division of Renal Diseases and Hypertension, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Christina M. Cicerchi
- Division of Renal Diseases and Hypertension, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Jatinder Rana
- Amway Research and Development, Ada, Michigan, United States of America
| | | | - Brandi L. Hunter
- Division of Renal Diseases and Hypertension, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Christopher J. Rivard
- Division of Renal Diseases and Hypertension, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - R. Keith Randolph
- Amway Research and Development, Ada, Michigan, United States of America
| | - Richard J. Johnson
- Division of Renal Diseases and Hypertension, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America
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Tappy L, Lê KA. Health effects of fructose and fructose-containing caloric sweeteners: where do we stand 10 years after the initial whistle blowings? Curr Diab Rep 2015; 15:54. [PMID: 26104800 PMCID: PMC4477723 DOI: 10.1007/s11892-015-0627-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Suspicion that fructose-containing caloric sweeteners (FCCS) may play a causal role in the development of metabolic diseases has elicited intense basic and clinical research over the past 10 years. Prospective cohort studies converge to indicate that FCCS, and more specifically sugar-sweetened beverages (SSBs), consumption is associated with weight gain over time. Intervention studies in which FCCS or SSB consumption is altered while food intake is otherwise left ad libitum indicate that increased FCCS generally increases total energy intake and body weight, while FCCS reduction decreases body weight gain. Clinical trials assessing the effects of SSB reduction as a sole intervention however fail to observe clinically significant weight loss. Many mechanistic studies indicate that excess FCCS can cause potential adverse metabolic effects. Whether this is associated with a long-term risk remains unknown. Scientific evidence that excess FCCS intake causes more deleterious effects to health than excess of other macronutrients is presently lacking. However, the large consumption of FCCS in the population makes it one out of several targets for the treatment and prevention of metabolic diseases.
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Affiliation(s)
- Luc Tappy
- Department of Physiology, Faculty of Biology and Medicine, University of Lausanne, Rue du Bugnon 7, 1005, Lausanne, Switzerland,
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Ko CH, Yen CF, Long CY, Kuo YT, Chen CS, Yen JY. The late-luteal leptin level, caloric intake and eating behaviors among women with premenstrual dysphoric disorder. Psychoneuroendocrinology 2015; 56:52-61. [PMID: 25800149 DOI: 10.1016/j.psyneuen.2015.03.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2014] [Revised: 02/28/2015] [Accepted: 03/01/2015] [Indexed: 10/23/2022]
Abstract
OBJECTIVES A marked increased in food intake in the late-luteal phase is a characteristic symptom of premenstrual dysphoric disorder (PMDD). The aim of the study was to evaluate the leptin level, caloric intake, and eating behaviors of women with PMDD across the menstrual cycle among normal-weight and overweight subjects, respectively. METHODS A total of 62 women with PMDD and 69 controls were recruited following psychiatric interviewing and underwent prospective investigation. The leptin level, caloric intake, and three factors related to eating behavior were assessed in both the late-luteal and follicular phases. RESULTS The women with PMDD had greater increases in caloric intake, sweet caloric intake, and uncontrolled eating in the late-luteal phase than the controls. Among the normal-weight women, the leptin level was negatively correlated with caloric intake. The normal-weight women with PMDD had a lower leptin level, a lower leptin/body fat percentage (BFP), a higher caloric intake, and higher uncontrolled eating and emotional eating in the late-luteal phase than the normal-weight controls. Their leptin level was correlated negatively with sweet caloric intake. On the other hand, the overweight women with PMDD had a higher leptin level than the normal-weight women with PMDD and no decline was observed in their leptin level in the late-luteal phase. There were no differences in the leptin level between the overweight women with PMDD and the overweight controls. They also had a higher sweet caloric intake and higher uncontrolled eating and emotional eating than the overweight controls. CONCLUSIONS A decline in the leptin level is associated with late-luteal overeating among normal-weight women with PMDD. Hyperleptinemia and a high sweet caloric intake of overweight women with PMDD should be monitored and addressed in order to attenuate the risk of leptin resistance. The detailed roles of leptin and other psycho-neuro-endocrinology factors in the mechanism of overeating among women with PMDD should be evaluated in future study.
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Affiliation(s)
- Chih-Hung Ko
- Department of Psychiatry, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Psychiatry, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City, Taiwan; Department of Psychiatry, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Cheng-Fang Yen
- Department of Psychiatry, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City, Taiwan; Department of Psychiatry, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Cheng-Yu Long
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Yu-Ting Kuo
- Department of Radiology, Chi-Mei Medical Center, Tainan, Taiwan
| | - Cheng-Sheng Chen
- Department of Psychiatry, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City, Taiwan; Department of Psychiatry, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Ju-Yu Yen
- Department of Psychiatry, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City, Taiwan; Department of Psychiatry, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Department of Psychiatry, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung, Taiwan.
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Škop V, Malínská H, Trnovská J, Hüttl M, Cahová M, Blachnio-Zabielska A, Baranowski M, Burian M, Oliyarnyk O, Kazdová L. Positive effects of voluntary running on metabolic syndrome-related disorders in non-obese hereditary hypertriacylglycerolemic rats. PLoS One 2015; 10:e0122768. [PMID: 25830228 PMCID: PMC4382201 DOI: 10.1371/journal.pone.0122768] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2014] [Accepted: 02/18/2015] [Indexed: 12/20/2022] Open
Abstract
While metabolic syndrome is often associated with obesity, 25% of humans suffering from it are not obese and the effect of physical activity remains unclear in such cases. Therefore, we used hereditary hypertriaclyglycerolemic (HHTg) rats as a unique model for studying the effect of spontaneous physical activity [voluntary running (VR)] on metabolic syndrome-related disorders, such as dyslipidemia, in non-obese subjects. Adult HHTg males were fed standard (CD) or high-sucrose (HSD) diets ad libitum for four weeks. Within both dietary groups, some of the rats had free access to a running wheel (CD+VR, HSD+VR), whereas the controls (CD, HSD) had no possibility of extra physical activity. At the end of the four weeks, we measured the effects of VR on various metabolic syndrome-associated parameters: (i) biochemical parameters, (ii) the content and composition of triacylglycerols (TAG), diacylglycerols (DAG), ceramides and membrane phospholipids, and (iii) substrate utilization in brown adipose tissue. In both dietary groups, VR led to various positive effects: reduced epididymal and perirenal fat depots; increased epididymal adipose tissue lipolysis; decreased amounts of serum TAG, non-esterified fatty acids and insulin; a higher insulin sensitivity index. While tissue ceramide content was not affected, decreased TAG accumulation resulted in reduced and modified liver, heart and skeletal muscle DAG. VR also had a beneficial effect on muscle membrane phospholipid composition. In addition, compared with the CD group, the CD+VR rats exhibited increased fatty acid oxidation and protein content in brown adipose tissue. Our results confirm that physical activity in a non-obese model of severe dyslipidemia has many beneficial effects and can even counteract the negative effects of sucrose consumption. Furthermore, they suggest that the mechanism by which these effects are modulated involves a combination of several positive changes in lipid metabolism.
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Affiliation(s)
- Vojtěch Škop
- Center for experimental medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, Prague, Czech Republic
- * E-mail:
| | - Hana Malínská
- Center for experimental medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Jaroslava Trnovská
- Center for experimental medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Martina Hüttl
- Center for experimental medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Monika Cahová
- Center for experimental medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | | | - Marcin Baranowski
- Department of Physiology, Medical University of Bialystok, Bialystok, Poland
| | - Martin Burian
- Center for experimental medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Olena Oliyarnyk
- Center for experimental medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Ludmila Kazdová
- Center for experimental medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
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Sluik D, Engelen AI, Feskens EJ. Fructose consumption in the Netherlands: the Dutch national food consumption survey 2007–2010. Eur J Clin Nutr 2014; 69:475-81. [DOI: 10.1038/ejcn.2014.267] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Revised: 10/17/2014] [Accepted: 11/18/2014] [Indexed: 12/27/2022]
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40
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Caamaño MC, Gutierrez J, García OP, Ronquillo D, Martinez G, Rosado JL. Increased calorie intake at a specific mid-morning meal and increased intake of soft drinks are strongly associated with obesity in Mexican rural women. Ecol Food Nutr 2014; 54:157-74. [PMID: 25513976 DOI: 10.1080/03670244.2014.963573] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The study investigated the dietary habits and foods that are associated with obesity in women from a rural area in Mexico. Anthropometry and body fat were measured in 580 women. Participants answered a socioeconomic and a food-frequency questionnaire; a subsample (n = 80) also answered three 24-hour-recall questionnaires. Results showed that obese women consumed more soft drinks and fat than did overweight and normal-weight women. Women who consumed more energy during a mid-morning meal had higher BMI. A strategy to decrease the prevalence of obesity in rural areas could be to encourage limiting the consumption of soft drinks and eliminating or reducing caloric intake at a mid-morning meal.
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Affiliation(s)
- María C Caamaño
- a School of Natural Sciences , Universidad Autónoma de Querétaro , Juriquilla , Querétaro , México
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Martin-Calvo N, Martínez-González MA, Bes-Rastrollo M, Gea A, Ochoa MC, Marti A. Sugar-sweetened carbonated beverage consumption and childhood/adolescent obesity: a case-control study. Public Health Nutr 2014; 17:2185-93. [PMID: 24485091 PMCID: PMC10282631 DOI: 10.1017/s136898001300356x] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Revised: 09/30/2013] [Accepted: 12/19/2013] [Indexed: 11/07/2022]
Abstract
OBJECTIVE To assess the association between the consumption of sugar-sweetened carbonated beverages (SSCB) and obesity in children and adolescents from Navarra (Spain). DESIGN We used a matched case-control study design. The exposure, SSCB consumption (1 serving: 200 ml), was measured with a previously validated FFQ. Anthropometrical measures were taken using standardized protocols. The outcome, obesity, was defined as BMI above the age- and sex-specific 97th percentile according to the Spanish reference charts. In the analysis we used conditional logistic regression. Potential confounders were controlled using a multivariable model. SETTING Subjects were recruited in the paediatric departments of the Universidad de Navarra Clinic and the Navarra Hospital Complex, and in three primary health centres of Navarra. Controls were recruited when attending for a routine medical examination or vaccination. SUBJECTS One hundred and seventy-four obese children and 174 individually sex- and age-matched controls, 52·87% boys, with a mean age of 11·6 years. Exclusion criteria were dietary interventions, exposure to hormone treatment, development of secondary obesity due to endocrinopathy and serious intercurrent illness. RESULTS Independently of other factors, high consumption of SSCB (>4 servings/week) was significantly associated with obesity (OR = 3·46; 95% CI 1·24, 9·62; P = 0·01). Besides, each additional daily serving of SSCB was associated with a 69% relative increase in the risk of obesity (OR = 1·69; 95% CI 1·04, 2·73; P = 0·03). CONCLUSIONS We found a strong and significant association between SSCB consumption and obesity risk. Our results suggest a monotonic dose-response linear shape for this association in children and adolescents (P for trend = 0·02).
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Affiliation(s)
- Nerea Martin-Calvo
- Department of Preventive Medicine & Public Health, School of Medicine, University of Navarra, C/Irunlarrea 1, 31008 Pamplona, Spain
| | - Miguel-Angel Martínez-González
- Department of Preventive Medicine & Public Health, School of Medicine, University of Navarra, C/Irunlarrea 1, 31008 Pamplona, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III, Madrid, Spain
| | - Maira Bes-Rastrollo
- Department of Preventive Medicine & Public Health, School of Medicine, University of Navarra, C/Irunlarrea 1, 31008 Pamplona, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III, Madrid, Spain
| | - Alfredo Gea
- Department of Preventive Medicine & Public Health, School of Medicine, University of Navarra, C/Irunlarrea 1, 31008 Pamplona, Spain
| | - Ma Carmen Ochoa
- Centro de Investigación Medica Aplicada (CIMA), Pamplona, Spain
| | - Amelia Marti
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III, Madrid, Spain
- Department of Food Sciences and Physiology, School of Pharmacy, University of Navarra, Pamplona, Spain
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Tillman EJ, Morgan DA, Rahmouni K, Swoap SJ. Three months of high-fructose feeding fails to induce excessive weight gain or leptin resistance in mice. PLoS One 2014; 9:e107206. [PMID: 25211467 PMCID: PMC4161399 DOI: 10.1371/journal.pone.0107206] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Accepted: 08/12/2014] [Indexed: 11/18/2022] Open
Abstract
High-fructose diets have been implicated in obesity via impairment of leptin signaling in humans and rodents. We investigated whether fructose-induced leptin resistance in mice could be used to study the metabolic consequences of fructose consumption in humans, particularly in children and adolescents. Male C57Bl/6 mice were weaned to a randomly assigned diet: high fructose, high sucrose, high fat, or control (sugar-free, low-fat). Mice were maintained on their diets for at least 14 weeks. While fructose-fed mice regularly consumed more kcal and expended more energy, there was no difference in body weight compared to control by the end of the study. Additionally, after 14 weeks, both fructose-fed and control mice displayed similar leptin sensitivity. Fructose-feeding also did not change circulating glucose, triglycerides, or free fatty acids. Though fructose has been linked to obesity in several animal models, our data fail to support a role for fructose intake through food lasting 3 months in altering of body weight and leptin signaling in mice. The lack of impact of fructose in the food of growing mice on either body weight or leptin sensitivity over this time frame was surprising, and important information for researchers interested in fructose and body weight regulation.
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Affiliation(s)
- Erik J. Tillman
- Department of Biology, Williams College, Williamstown, Massachusetts, United States of America
| | - Donald A. Morgan
- Department of Pharmacology, University of Iowa Carver College of Medicine, Iowa City, Iowa, United States of America
| | - Kamal Rahmouni
- Department of Pharmacology, University of Iowa Carver College of Medicine, Iowa City, Iowa, United States of America
| | - Steven J. Swoap
- Department of Biology, Williams College, Williamstown, Massachusetts, United States of America
- * E-mail:
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Theytaz F, de Giorgi S, Hodson L, Stefanoni N, Rey V, Schneiter P, Giusti V, Tappy L. Metabolic fate of fructose ingested with and without glucose in a mixed meal. Nutrients 2014; 6:2632-49. [PMID: 25029210 PMCID: PMC4113761 DOI: 10.3390/nu6072632] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Revised: 05/23/2014] [Accepted: 06/09/2014] [Indexed: 01/15/2023] Open
Abstract
Ingestion of pure fructose stimulates de novo lipogenesis and gluconeogenesis. This may however not be relevant to typical nutritional situations, where fructose is invariably ingested with glucose. We therefore assessed the metabolic fate of fructose incorporated in a mixed meal without or with glucose in eight healthy volunteers. Each participant was studied over six hours after the ingestion of liquid meals containing either 13C-labelled fructose, unlabeled glucose, lipids and protein (Fr + G) or 13C-labelled fructose, lipids and protein, but without glucose (Fr), or protein and lipids alone (ProLip). After Fr + G, plasma 13C-glucose production accounted for 19.0% ± 1.5% and 13CO2 production for 32.2% ± 1.3% of 13C-fructose carbons. After Fr, 13C-glucose production (26.5% ± 1.4%) and 13CO2 production (36.6% ± 1.9%) were higher (p < 0.05) than with Fr + G. 13C-lactate concentration and very low density lipoprotein VLDL 13C-palmitate concentrations increased to the same extent with Fr + G and Fr, while chylomicron 13C-palmitate tended to increase more with Fr + G. These data indicate that gluconeogenesis, lactic acid production and both intestinal and hepatic de novo lipogenesis contributed to the disposal of fructose carbons ingested together with a mixed meal. Co-ingestion of glucose decreased fructose oxidation and gluconeogenesis and tended to increase 13C-pamitate concentration in gut-derived chylomicrons, but not in hepatic-borne VLDL-triacylglycerol (TG). This trial was approved by clinicaltrial. gov. Identifier is NCT01792089.
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Affiliation(s)
- Fanny Theytaz
- Department of Physiology, University of Lausanne, rue du Bugnon 7, CH-1005 Lausanne, Switzerland.
| | - Sara de Giorgi
- Department of Physiology, University of Lausanne, rue du Bugnon 7, CH-1005 Lausanne, Switzerland.
| | - Leanne Hodson
- Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, Oxford OX3 7LE, UK.
| | - Nathalie Stefanoni
- Department of Physiology, University of Lausanne, rue du Bugnon 7, CH-1005 Lausanne, Switzerland.
| | - Valentine Rey
- Department of Physiology, University of Lausanne, rue du Bugnon 7, CH-1005 Lausanne, Switzerland.
| | - Philippe Schneiter
- Department of Physiology, University of Lausanne, rue du Bugnon 7, CH-1005 Lausanne, Switzerland.
| | - Vittorio Giusti
- Service of Endocrinology, Diabetes and Metabolism, Lausanne University Hospital, CH-1011 Lausanne, Switzerland.
| | - Luc Tappy
- Department of Physiology, University of Lausanne, rue du Bugnon 7, CH-1005 Lausanne, Switzerland.
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Feng X, Scott A, Wang Y, Wang L, Zhao Y, Doerner S, Satake M, Croniger CM, Wang Z. PTPRT regulates high-fat diet-induced obesity and insulin resistance. PLoS One 2014; 9:e100783. [PMID: 24949727 PMCID: PMC4065109 DOI: 10.1371/journal.pone.0100783] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2014] [Accepted: 05/28/2014] [Indexed: 02/03/2023] Open
Abstract
Obesity is a risk factor for many human diseases. However, the underlying molecular causes of obesity are not well understood. Here, we report that protein tyrosine phosphatase receptor T (PTPRT) knockout mice are resistant to high-fat diet-induced obesity. Those mice avoid many deleterious side effects of high-fat diet-induced obesity, displaying improved peripheral insulin sensitivity, lower blood glucose and insulin levels. Compared to wild type littermates, PTPRT knockout mice show reduced food intake. Consistently, STAT3 phosphorylation is up-regulated in the hypothalamus of PTPRT knockout mice. These studies implicate PTPRT-modulated STAT3 signaling in the regulation of high-fat diet-induced obesity.
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Affiliation(s)
- Xiujing Feng
- Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, Ohio, United States of America
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio, United States of America
| | - Anthony Scott
- Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, Ohio, United States of America
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio, United States of America
| | - Yong Wang
- Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, Ohio, United States of America
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio, United States of America
| | - Lan Wang
- Department of Nutrition, Case Western Reserve University, Cleveland, Ohio, United States of America
| | - Yiqing Zhao
- Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, Ohio, United States of America
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio, United States of America
| | - Stephanie Doerner
- Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, Ohio, United States of America
| | - Masanobu Satake
- Department of Molecular Immunology, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Colleen M. Croniger
- Department of Nutrition, Case Western Reserve University, Cleveland, Ohio, United States of America
| | - Zhenghe Wang
- Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, Ohio, United States of America
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio, United States of America
- Genomic Medicine Institute, Cleveland Clinic Foundation, Cleveland, Ohio, United States of America
- * E-mail:
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Moubarac JC, Receveur O, Cargo M, Daniel M. Consumption patterns of sweetened food and drink products in a Catholic Middle Eastern Canadian community. Public Health Nutr 2014; 17:471-8. [PMID: 23286218 PMCID: PMC10282485 DOI: 10.1017/s1368980012005460] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2012] [Revised: 10/22/2012] [Accepted: 11/23/2012] [Indexed: 02/05/2023]
Abstract
OBJECTIVE The present study describes the consumption patterns of sweetened food and drink products in a Catholic Middle Eastern Canadian community and examines its associations with physical activity, sedentary behaviours and BMI. DESIGN A two-stage cross-sectional design was used. In Stage 1 (n 42), 24 h recalls enabled the identification of sweetened products. In Stage 2 (n 192), an FFQ was administered to measure the daily consumption of these products and to collect sociodemographic and behavioural data. Sweetened products were defined as processed culinary ingredients and ultra-processed products for which total sugar content exceeded 20% of total energy. SETTING Three Catholic Middle Eastern churches located in Montreal, Canada. SUBJECTS Normoglycaemic men and women (18-60 years old). RESULTS Twenty-six sweetened products represented an average consumption of 75·4 g total sugars/d or 15·1% of daily energy intake (n 190, 56% women). Soft drinks, juices, sweetened coffee, chocolate, cookies, cakes and muffins were the main sources of consumption and mostly consumed between meals. Age (exp (β) = 0·99; P < 0·01), physical activity (exp (β) = 1·08; P < 0·01) and recreational computer use (exp (β) = 1·17; P < 0·01) were independently associated with sweetened product consumption. The association between sweetened product consumption and physical activity was U-shaped. BMI was not significantly associated with sweetened product consumption but all participants regardless of BMI were above the WHO recommendation for free sugars. CONCLUSIONS Being physically active and spending less time using a computer may favour a reduced consumption of sweetened products. Very active individuals may, however, overconsume such products.
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Affiliation(s)
- Jean-Claude Moubarac
- Núcleo de Pesquisas Epidemiológicas em Nutricão e Saúde, Universidade de São Paulo, Av. Dr. Arnaldo 715, 01255-000, São Paulo, SP, Brasil
- École de Santé Publique, Université de Montréal, Montréal, Québec, Canada
| | - Olivier Receveur
- Département de Nutrition, Université de Montréal, Montréal, Québec, Canada
| | - Margaret Cargo
- School of Health Sciences, University of South Australia, Adelaide, South Australia, Australia
| | - Mark Daniel
- School of Health Sciences, University of South Australia, Adelaide, South Australia, Australia
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Welsh JA, Lundeen EA, Stein AD. The sugar-sweetened beverage wars: public health and the role of the beverage industry. Curr Opin Endocrinol Diabetes Obes 2013; 20:401-6. [PMID: 23974767 PMCID: PMC4425304 DOI: 10.1097/01.med.0000432610.96107.f5] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
PURPOSE OF REVIEW To discuss the current data on sugar-sweetened beverage (SSB) consumption trends, evidence of the health impact, and the role of industry in efforts to reduce the consumption. RECENT FINDINGS Previously rising SSB consumption rates have declined recently, but continue to contribute added sugars beyond the limit advised by the American Heart Association. A recent meta-analysis concluded that SSBs likely increase body weight and recent long-term studies support the previous findings of increased risk of diabetes, dyslipidemia, and hypertension. Beverage companies have played an active role in some SSB reduction efforts by reducing the sale of SSBs in schools, limiting television advertising to children, and increasing the availability of smaller portion-size options. Industry has opposed efforts to restrict the availability of large portion sizes and implement an excise tax. Current industry efforts include the promotion of alternative beverages perceived to be healthier as well as SSBs through Internet and social media. SUMMARY Continuing high SSB consumption and associated health risks highlight the need for further public health action. The beverage industry has supported some efforts to reduce the consumption of full sugar beverages, but has actively opposed others. The impact of industry efforts to promote beverage alternatives perceived as healthier is unknown.
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Affiliation(s)
- Jean A. Welsh
- Children’s Healthcare of Atlanta, Emory University School of Medicine, Emory University, Atlanta, Georgia, USA
| | - Elizabeth A. Lundeen
- Nutrition and Health Sciences, Graduate Division of Biological and Biomedical Sciences, Laney Graduate School, Emory University, Atlanta, Georgia, USA
| | - Aryeh D. Stein
- Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
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Mastrocola R, Collino M, Rogazzo M, Medana C, Nigro D, Boccuzzi G, Aragno M. Advanced glycation end products promote hepatosteatosis by interfering with SCAP-SREBP pathway in fructose-drinking mice. Am J Physiol Gastrointest Liver Physiol 2013; 305:G398-407. [PMID: 23868406 DOI: 10.1152/ajpgi.00450.2012] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Clinical studies have linked the increased consumption of fructose to the development of obesity, dyslipidemia, and impaired glucose tolerance, and a role in hepatosteatosis development is presumed. Fructose can undergo a nonenzymatic reaction from which advanced glycation end products (AGEs) are derived, leading to the formation of dysfunctional, fructosylated proteins; however, the in vivo formation of AGEs from fructose is still less known than that from glucose. In the present study C57Bl/6J mice received 15% (wt/vol) fructose (FRT) or 15% (wt/vol) glucose (GLC) in water to drink for 30 wk, resembling human habit to consume sugary drinks. At the end of the protocol both FRT- and GLC-drinking mice had increased fasting glycemia, glucose intolerance, altered plasma lipid profile, and marked hepatosteatosis. FRT mice had higher hepatic triglycerides deposition than GLC, paralleled by a greater increased expression and activity of the sterol regulatory element-binding protein 1 (SREBP1), the transcription factor responsible for the de novo lipogenesis, and of its activating protein SCAP. LC-MS analysis showed a different pattern of AGE production in liver tissue between FRT and GLC mice, with larger amount of carboxymethyl lysine (CML) generated by fructose. Double immunofluorescence and coimmunoprecipitation analysis revealed an interaction between CML and SCAP that could lead to prolonged activation of SREBP1. Overall, the high levels of CML and activation of SCAP/SREBP pathway associated to high fructose exposure here reported may suggest a key role of this signaling pathway in mediating fructose-induced lipogenesis.
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Affiliation(s)
- Raffaella Mastrocola
- Dept. of Clinical and Biological Sciences, Experimental Medicine and Clinical Pathology Unit, Univ. of Turin, C.so Raffaello 30, 10125 Torino, Italy.
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Kaiser KA, Shikany JM, Keating KD, Allison DB. Will reducing sugar-sweetened beverage consumption reduce obesity? Evidence supporting conjecture is strong, but evidence when testing effect is weak. Obes Rev 2013; 14:620-33. [PMID: 23742715 PMCID: PMC3929296 DOI: 10.1111/obr.12048] [Citation(s) in RCA: 101] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Revised: 04/25/2013] [Accepted: 04/26/2013] [Indexed: 12/11/2022]
Abstract
We provide arguments to the debate question and update a previous meta-analysis with recently published studies on effects of sugar-sweetened beverages (SSBs) on body weight/composition indices (BWIs). We abstracted data from randomized controlled trials examining effects of consumption of SSBs on BWIs. Six new studies met these criteria: (i) human trials, (ii) ≥ 3 weeks duration, (iii) random assignment to conditions differing only in consumption of SSBs and (iv) including a BWI outcome. Updated meta-analysis of a total of seven studies that added SSBs to persons' diets showed dose-dependent increases in weight. Updated meta-analysis of eight studies attempting to reduce SSB consumption showed an equivocal effect on BWIs in all randomized subjects. When limited to subjects overweight at baseline, meta-analysis showed a significant effect of roughly 0.25 standard deviations (more weight loss/less weight gain) relative to controls. Evidence to date is equivocal in showing that decreasing SSB consumption will reduce the prevalence of obesity. Although new evidence suggests that an effect may yet be demonstrable in some populations, the integrated effect size estimate remains very small and of equivocal statistical significance. Problems in this research area and suggestions for future research are highlighted.
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Affiliation(s)
- K A Kaiser
- Office of Energetics, Dean's Office, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama 35294, USA
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Morgan RE. Does consumption of high-fructose corn syrup beverages cause obesity in children? Pediatr Obes 2013; 8:249-54. [PMID: 23630060 DOI: 10.1111/j.2047-6310.2013.00173.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2012] [Revised: 03/25/2013] [Accepted: 03/26/2013] [Indexed: 11/28/2022]
Abstract
The consumption of high-fructose corn syrup (HFCS) beverages has increased since the 1970s. At the same time, childhood obesity is on the rise, causing children to be at risk of heart disease, diabetes and other diseases. Healthcare providers have attributed childhood obesity to the consumption of HFCS in the form of beverages. This article will look at the available research and determine if there is scientific evidence underlying the idea that sweetened soft drinks, especially those containing HFCS, could cause or contribute to childhood obesity. A thorough literature search was performed using the ISI Web of Sciences, PubMed and Scopus databases within the years 2006-2012. The search generated 19 results. The articles were screened, and six were deemed eligible: four systematic reviews and two meta-analyses. Two systematic reviews found that there is no relationship between consumption of HFCS beverages and obesity in children. The other two systematic reviews found possible links between HFCS and childhood obesity. The meta-analysis articles found that consumption of HFCS beverages can contribute to childhood obesity, and limitation of sweetened beverages may help decrease obesity in children. Available research studies demonstrate inconclusive scientific evidence definitively linking HFCS to obesity in children.
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Affiliation(s)
- R E Morgan
- School of Nursing, University of Pennsylvania, Philadelphia, PA, USA.
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Jensen BW, Nielsen BM, Husby I, Bugge A, El-Naaman B, Andersen LB, Trolle E, Heitmann BL. Association between sweet drink intake and adiposity in Danish children participating in a long-term intervention study. Pediatr Obes 2013; 8:259-70. [PMID: 23630030 DOI: 10.1111/j.2047-6310.2013.00170.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2012] [Revised: 03/22/2013] [Accepted: 03/25/2013] [Indexed: 11/30/2022]
Abstract
BACKGROUND In some previous studies direct associations between intake of soft drinks, sugar-sweetened beverages and adiposity have been reported. The majority of these studies were, however, conducted in the USA and it is uncertain if the results are applicable to non-US countries. OBJECTIVE To assess the association between sweet drink intake at age 6 and 9 years and the subsequent 3- to 7-year changes in body mass index (BMI) and sum of four skin-folds (Σ4SF). METHODS Information on sweet drink intake (7 days food record) and physical activity (accelerometer) was obtained at age 6 years (n = 366) [Correction made here after initial online publication.] and 9 years (n = 269). Weight, height and Σ4SF were measured at age 6, 9 and 13 years. Additional information on socio-economic status, maternal BMI and pubertal status was obtained. RESULTS No associations were observed between sweet drink intake at age 6 years and change in BMI or logΣ4SF from age 6 to 9 years or 6 to 13 years. Also, no associations were observed between change in sweet drink intake from age 6 to 9 years and subsequent change in BMI or logΣ4SF from age 9 to 13 years. A weak direct association was observed between sweet drink intake at age 9 years and change in logΣ4SF from age 9 to 13 years (per 100 g ∼ 3.38 fl oz) (β: 0.014, 95% confidence interval [CI]: -0.001 to 0.029, P = 0.06), while no association was seen for BMI. In supplementary analyses a similar association was observed for soft drinks (β: 0.087, 95% CI: 0.048 to 0.126, P = 0.001) but only in the intervention group. CONCLUSION We observed associations between intake of sweet drinks and soft drinks and change in skin-fold thickness in a group of Danish children. However, as the associations did not remain significant when multiple testing was considered or was only significant among children from the intervention group, the results do not confirm or refute the direct association reported in previous studies.
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Affiliation(s)
- B W Jensen
- Research Unit for Dietary Studies, Institute of Preventive Medicine, Bispebjerg and Frederiksberg Hospitals, Copenhagen University Hospital, Frederiksberg, Denmark
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