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Abdisa KB, Szerdahelyi E, Molnár MA, Friedrich L, Lakner Z, Koris A, Toth A, Nath A. Metabolic Syndrome and Biotherapeutic Activity of Dairy (Cow and Buffalo) Milk Proteins and Peptides: Fast Food-Induced Obesity Perspective-A Narrative Review. Biomolecules 2024; 14:478. [PMID: 38672494 PMCID: PMC11048494 DOI: 10.3390/biom14040478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 03/30/2024] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
Metabolic syndrome (MS) is defined by the outcome of interconnected metabolic factors that directly increase the prevalence of obesity and other metabolic diseases. Currently, obesity is considered one of the most relevant topics of discussion because an epidemic heave of the incidence of obesity in both developing and underdeveloped countries has been reached. According to the World Obesity Atlas 2023 report, 38% of the world population are presently either obese or overweight. One of the causes of obesity is an imbalance of energy intake and energy expenditure, where nutritional imbalance due to consumption of high-calorie fast foods play a pivotal role. The dynamic interactions among different risk factors of obesity are highly complex; however, the underpinnings of hyperglycemia and dyslipidemia for obesity incidence are recognized. Fast foods, primarily composed of soluble carbohydrates, non-nutritive artificial sweeteners, saturated fats, and complexes of macronutrients (protein-carbohydrate, starch-lipid, starch-lipid-protein) provide high metabolic calories. Several experimental studies have pointed out that dairy proteins and peptides may modulate the activities of risk factors of obesity. To justify the results precisely, peptides from dairy milk proteins were synthesized under in vitro conditions and their contributions to biomarkers of obesity were assessed. Comprehensive information about the impact of proteins and peptides from dairy milks on fast food-induced obesity is presented in this narrative review article.
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Affiliation(s)
- Kenbon Beyene Abdisa
- Department of Food Process Engineering, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 44, HU-1118 Budapest, Hungary; (K.B.A.)
| | - Emőke Szerdahelyi
- Department of Nutrition, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Somlói út 14-16, HU-1118 Budapest, Hungary;
| | - Máté András Molnár
- Department of Food Process Engineering, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 44, HU-1118 Budapest, Hungary; (K.B.A.)
| | - László Friedrich
- Department of Refrigeration and Livestock Product Technology, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 43-45, HU-1118 Budapest, Hungary
| | - Zoltán Lakner
- Department of Agricultural Business and Economics, Institute of Agricultural and Food Economics, Hungarian University of Agriculture and Life Sciences, Villányi út 29-43, HU-1118 Budapest, Hungary
| | - András Koris
- Department of Food Process Engineering, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 44, HU-1118 Budapest, Hungary; (K.B.A.)
| | - Attila Toth
- Division of Clinical Physiology, Department of Cardiology, Faculty of Medicine, University of Debrecen, Móricz Zsigmond út 22, HU-4032 Debrecen, Hungary
| | - Arijit Nath
- Department of Food Process Engineering, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 44, HU-1118 Budapest, Hungary; (K.B.A.)
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Zhang L, Liu J, Wang Y, Wei M, Liu X, Jiang Y, Wang X, Zhu Z, Niu C, Liu S, Cui J, Chu T, Lu W, Zhang X, An X, Song Y. Mechanisms by which sheep milk consumption ameliorates insulin resistance in high-fat diet-fed mice. Food Res Int 2024; 179:114021. [PMID: 38342541 DOI: 10.1016/j.foodres.2024.114021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 01/09/2024] [Accepted: 01/12/2024] [Indexed: 02/13/2024]
Abstract
Sheep milk is rich in fat, protein, vitamins and minerals and is also one of the most important sources of natural bioactives. Several biopeptides in sheep milk have been reported to possess antibacterial, antiviral and anti-inflammatory properties, and they may prevent type 2 diabetes (T2D), disease and cancer. However, the precise mechanism(s) underlying the protective role of sheep milk against T2D development remains unclear. Therefore, in the current study, we investigated the effect of sheep milk on insulin resistance and glucose intolerance in high-fat diet (HFD)-fed mice, by conducting intraperitoneal glucose tolerance tests, metabolic cage studies, genomic sequencing, polymerase chain reaction, and biochemical assays. Hyperinsulinemic-euglycemic clamp-based experiments revealed that mice consuming sheep milk exhibited lower hepatic glucose production than mice in the control group. These findings further elucidate the mechanism by which dietary supplementation with sheep milk alleviates HFD-induced systemic glucose intolerance.
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Affiliation(s)
- Lei Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Jiaxin Liu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Yongliang Wang
- Zhongzhou Laboratory, Zhengzhou, Henan, 450002, China; Huaihe Hospital of Henan University, Kaifeng, Henan, 475004, China
| | - Mengyao Wei
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xiaorui Liu
- Division of Laboratory Safety and Services, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yue Jiang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xiaofei Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Zhongshi Zhu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Chen Niu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Shujuan Liu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jiuzeng Cui
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Tingting Chu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Wentao Lu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xiyun Zhang
- Gansu Yuansheng Zhongxin Milk Sheep Industry Research Institute, Yongchang, Gansu 737200, China
| | - Xiaopeng An
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Yuxuan Song
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China.
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Dehnavi Z, Barghchi H, Esfehani AJ, Barati M, Khorasanchi Z, Farsi F, Ostad AN, Ranjbar G, Rezvani R, Gorgani MR, Safarian M. Animal and plant-based proteins have different postprandial effects on energy expenditure, glycemia, insulinemia, and lipemia: A review of controlled clinical trials. Food Sci Nutr 2023; 11:4398-4408. [PMID: 37576026 PMCID: PMC10420774 DOI: 10.1002/fsn3.3417] [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: 12/07/2022] [Revised: 04/21/2023] [Accepted: 04/27/2023] [Indexed: 08/15/2023] Open
Abstract
Dietary proteins have been shown to stimulate thermogenesis, increase satiety, and improve insulin sensitivity in the short and long term. Animal-based proteins (AP) and plant-based proteins (PP) have different amino acid profiles, bioavailability, and digestibility, so it seems to have various short- and long-term effects on metabolic responses. This review aimed to compare the findings of controlled clinical trials on postprandial effects of dietary Aps versus PPs on energy expenditure (EE), lipemia, glycemia, and insulinemia. Data are inconclusive regarding the postprandial effects of APs and PPs. However, there is some evidence indicating that APs increase postprandial EE, DIT, and SO more than PPs. With lipemia and glycemia, most studies showed that APs reduce or delay postprandial glycemia and lipemia and increase insulinemia more than PPs. The difference in amino acid composition, digestion and absorption rate, and gastric emptying rate between APs and PPs explains this difference.
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Affiliation(s)
- Zahra Dehnavi
- Department of Nutrition, School of MedicineMashhad University of Medical SciencesMashhadIran
- Student Research Committee, Faculty of MedicineMashhad University of Medical SciencesMashhadIran
| | - Hanieh Barghchi
- Department of Nutrition, School of MedicineMashhad University of Medical SciencesMashhadIran
- Student Research Committee, Faculty of MedicineMashhad University of Medical SciencesMashhadIran
| | | | - Mehdi Barati
- Department of Pathobiology and Laboratory SciencesNorth Khorasan University of Medical SciencesBojnurdIran
| | - Zahra Khorasanchi
- Department of Nutrition, School of MedicineMashhad University of Medical SciencesMashhadIran
- Student Research Committee, Faculty of MedicineMashhad University of Medical SciencesMashhadIran
| | - Farima Farsi
- Student Research Committee, Faculty of MedicineMashhad University of Medical SciencesMashhadIran
- School of MedicineMashhad University of Medical Sciences (MUMS)MashhadIran
| | | | - Golnaz Ranjbar
- Department of Nutrition, School of MedicineMashhad University of Medical SciencesMashhadIran
| | - Reza Rezvani
- Department of Nutrition, School of MedicineMashhad University of Medical SciencesMashhadIran
| | - Mitra Rezaie Gorgani
- Department of Nutrition, School of MedicineMashhad University of Medical SciencesMashhadIran
| | - Mohammad Safarian
- Metabolic Syndrome Research CentreMashhad University of Medical SciencesMashhadIran
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Dehnavi Z, Esfehani AJ, Hajhoseini O, Barghchi H, Yazdi AG, Khorasanchi Z, Shadnoush M, Rezvani R, Esmaily H, Safarian M. Postprandial effects of dietary protein source on metabolic responses, appetite, and arterial stiffness indices in overweight and obese men: the study protocol for a randomized crossover clinical trial. Trials 2023; 24:415. [PMID: 37337271 DOI: 10.1186/s13063-023-07374-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 05/12/2023] [Indexed: 06/21/2023] Open
Abstract
BACKGROUND Different dietary protein sources are supposed to have various effects on metabolic responses and arterial stiffness in the postprandial period. This study aims to assess the postprandial effects of dietary protein sources, including animal-based protein (AP) and plant-based protein (PP), as part of a high-protein breakfast on appetite response, energy metabolism, and arterial stiffness in overweight and obese men. METHODS This acute randomized crossover clinical trial will be conducted at the Persian study research center at Imam Reza Hospital, affiliated with the Mashhad University of Medical Sciences, located in the northeast of Iran. Forty-six healthy overweight, and obese men aged 18-60 years will be enrolled based on the eligibility criteria. The subjects will complete two interventions (high-protein AP and PP meals) with 1 week washout period. The primary outcome will be the acute effect of the two test meals on appetite response, energy metabolism parameters, including resting metabolism rate (RMR), diet-induced thermogenesis (DIT), and substrate oxidation (SO), and arterial stiffness indices, including pulse wave velocity (PWV) and pulse wave analysis (PWA). The secondary outcomes include changes in lipemia, glycemia, and insulinemia. DISCUSSION The findings of this study will provide novel insight regarding the acute effects of different protein sources on energy metabolism, appetite, and arterial stiffness as a significant cardiovascular disease (CVD) risk factor. It will help dieticians develop effective and efficient meal plans to improve weight reduction and maintenance in overweight/obese individuals. TRIAL REGISTRATION Iranian Registry of Clinical Trials; code: IRCT20211230053570N1; registered on February 10, 2022.
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Affiliation(s)
- Zahra Dehnavi
- Department of Nutrition, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Omolbanin Hajhoseini
- Department of Nutrition, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hanieh Barghchi
- Department of Nutrition, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Aliyeh Ghannadzadeh Yazdi
- Department of Nutrition, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Zahra Khorasanchi
- Department of Nutrition, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mahdi Shadnoush
- Department of Clinical Nutrition, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Reza Rezvani
- Department of Nutrition, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Habibollah Esmaily
- Social Determinants of Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Safarian
- Metabolic Syndrome Research Centre, Mashhad University of Medical Sciences, Mashhad, Iran.
- Department of Nutrition, Faculty of Medicine, Ferdowsi University of Mashhad Campus, Azadi Square, Mashhad, Iran.
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Olvera-Rosales LB, Cruz-Guerrero AE, García-Garibay JM, Gómez-Ruíz LC, Contreras-López E, Guzmán-Rodríguez F, González-Olivares LG. Bioactive peptides of whey: obtaining, activity, mechanism of action, and further applications. Crit Rev Food Sci Nutr 2022; 63:10351-10381. [PMID: 35612490 DOI: 10.1080/10408398.2022.2079113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Bioactive peptides derived from diverse food proteins have been part of diverse investigations. Whey is a rich source of proteins and components related to biological activity. It is known that proteins have effects that promote health benefits. Peptides derived from whey proteins are currently widely studied. These bioactive peptides are amino acid sequences that are encrypted within the first structure of proteins, which required hydrolysis for their release. The hydrolysis could be through in vitro or in vivo enzymatic digestion and using microorganisms in fermented systems. The biological activities associated with bio-peptides include immunomodulatory properties, antibacterial, antihypertensive, antioxidant and opioid, etc. These functions are related to general conditions of health or reduced risk of certain chronic illnesses. To determine the suitability of these peptides/ingredients for applications in food technology, clinical studies are required to evaluate their bioavailability, health claims, and safety of them. This review aimed to describe the biological importance of whey proteins according to the incidence in human health, their role as bioactive peptides source, describing methods, and obtaining technics. In addition, the paper exposes biochemical mechanisms during the activity exerted by biopeptides of whey, and their application trends.
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Affiliation(s)
- L B Olvera-Rosales
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Química, Ciudad del Conocimiento, Mineral de la Reforma, Hidalgo, México
| | - A E Cruz-Guerrero
- Departamento de Biotecnología, Universidad Autónoma Metropolitana, Unidad Iztapalapa. División de Ciencias Biológicas y de la Salud, Colonia Vicentina, Ciudad de México, México
| | - J M García-Garibay
- Departamento de Biotecnología, Universidad Autónoma Metropolitana, Unidad Iztapalapa. División de Ciencias Biológicas y de la Salud, Colonia Vicentina, Ciudad de México, México
- Departamento de Ciencias de la Alimentación Lerma de Villada, Universidad Autónoma Metropolitana-Lerma, Edo. de México, México
| | - L C Gómez-Ruíz
- Departamento de Biotecnología, Universidad Autónoma Metropolitana, Unidad Iztapalapa. División de Ciencias Biológicas y de la Salud, Colonia Vicentina, Ciudad de México, México
| | - E Contreras-López
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Química, Ciudad del Conocimiento, Mineral de la Reforma, Hidalgo, México
| | - F Guzmán-Rodríguez
- Departamento de Biotecnología, Universidad Autónoma Metropolitana, Unidad Iztapalapa. División de Ciencias Biológicas y de la Salud, Colonia Vicentina, Ciudad de México, México
| | - L G González-Olivares
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Química, Ciudad del Conocimiento, Mineral de la Reforma, Hidalgo, México
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Abachi S, Pilon G, Marette A, Bazinet L, Beaulieu L. Beneficial effects of fish and fish peptides on main metabolic syndrome associated risk factors: Diabetes, obesity and lipemia. Crit Rev Food Sci Nutr 2022; 63:7896-7944. [PMID: 35297701 DOI: 10.1080/10408398.2022.2052261] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The definition of metabolic syndrome (MetS) fairly varies from one to another guideline and health organization. Per description of world health organization, occurrence of hyperinsulinemia or hyperglycemia in addition to two or more factors of dyslipidemia, hypoalphalipoproteinemia, hypertension and or large waist circumference factors would be defined as MetS. Conventional therapies and drugs, commonly with adverse effects, are used to treat these conditions and diseases. Nonetheless, in the recent decades scientific community has focused on the discovery of natural compounds to diminish the side effects of these medications. Among many available bioactives, biologically active peptides have notable beneficial effects on the management of diabetes, obesity, hypercholesterolemia, and hypertension. Marine inclusive of fish peptides have exerted significant bioactivities in different experimental in-vitro, in-vivo and clinical settings. This review exclusively focuses on studies from the recent decade investigating hypoglycemic, hypolipidemic, hypercholesterolemic and anti-obesogenic fish and fish peptides. Related extraction, isolation, and purification methodologies of anti-MetS fish biopeptides are reviewed herein for comparison purposes only. Moreover, performance of biopeptides in simulated gastrointestinal environment and structure-activity relationship along with absorption, distribution, metabolism, and excretion properties of selected oligopeptides have been discussed, in brief, to broaden the knowledge of readers on the design and discovery trends of anti-MetS compounds.Supplemental data for this article is available online at https://doi.org/10.1080/10408398.2022.2052261 .
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Affiliation(s)
- Soheila Abachi
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec, Quebec, Canada
- Department of Food Science, Faculty of Agricultural and Food Sciences, Université Laval, Quebec, Quebec, Canada
| | - Geneviève Pilon
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec, Quebec, Canada
- Department of Medicine, Faculty of Medicine, Cardiology Axis of the Quebec Heart and Lung Institute, Quebec, Quebec, Canada
| | - André Marette
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec, Quebec, Canada
- Department of Medicine, Faculty of Medicine, Cardiology Axis of the Quebec Heart and Lung Institute, Quebec, Quebec, Canada
| | - Laurent Bazinet
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec, Quebec, Canada
- Department of Food Science, Faculty of Agricultural and Food Sciences, Université Laval, Quebec, Quebec, Canada
- Laboratory of Food Processing and ElectroMembrane Processes (LTAPEM), Université Laval, Quebec, Quebec, Canada
| | - Lucie Beaulieu
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec, Quebec, Canada
- Department of Food Science, Faculty of Agricultural and Food Sciences, Université Laval, Quebec, Quebec, Canada
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Jia YL, Geng SS, Du F, Xu YS, Wang LR, Sun XM, Wang QZ, Li Q. Progress of metabolic engineering for the production of eicosapentaenoic acid. Crit Rev Biotechnol 2021; 42:838-855. [PMID: 34779326 DOI: 10.1080/07388551.2021.1971621] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Eicosapentaenoic Acid (EPA) is an essential ω-3 polyunsaturated fatty acid for human health. Currently, high-quality EPA production is largely dependent on the extraction of fish oil, but this unsustainable approach cannot meet its rising market demand. Biotechnological approaches for EPA production from microorganisms have received increasing attention due to their suitability for large-scale production and independence of the seasonal or climate restrictions. This review summarizes recent research on different microorganisms capable of producing EPA, such as microalgae, bacteria, and fungi, and introduces the different EPA biosynthesis pathways. Notably, some novel engineering strategies have been applied to endow and improve the abilities of microorganisms to synthesize EPA, including the construction and optimization of the EPA biosynthesis pathway, an increase in the acetyl-CoA pool supply, the increase of NADPH and the inhibition of competing pathways. This review aims to provide an updated summary of EPA production.
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Affiliation(s)
- Yu-Lei Jia
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, People's Republic of China
| | - Shan-Shan Geng
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, People's Republic of China
| | - Fei Du
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, People's Republic of China
| | - Ying-Shuang Xu
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, People's Republic of China
| | - Ling-Ru Wang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, People's Republic of China
| | - Xiao-Man Sun
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, People's Republic of China
| | - Qing-Zhuo Wang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, People's Republic of China
| | - Qi Li
- College of Life Sciences, Sichuan Normal University, Chengdu, People's Republic of China
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Watkins JD, Koumanov F, Gonzalez JT. Protein- and Calcium-Mediated GLP-1 Secretion: A Narrative Review. Adv Nutr 2021; 12:2540-2552. [PMID: 34192748 PMCID: PMC8634310 DOI: 10.1093/advances/nmab078] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/31/2021] [Accepted: 05/25/2021] [Indexed: 02/06/2023] Open
Abstract
Glucagon-like peptide 1 (GLP-1) is an incretin hormone produced in the intestine that is secreted in response to nutrient exposure. GLP-1 potentiates glucose-dependent insulin secretion from the pancreatic β cells and promotes satiety. These important actions on glucose metabolism and appetite have led to widespread interest in GLP-1 receptor agonism. Typically, this involves pharmacological GLP-1 mimetics or targeted inhibition of dipeptidyl peptidase-IV, the enzyme responsible for GLP-1 degradation. However, nutritional strategies provide a widely available, cost-effective alternative to pharmacological strategies for enhancing hormone release. Recent advances in nutritional research have implicated the combined ingestion of protein and calcium with enhanced endogenous GLP-1 release, which is likely due to activation of receptors with high affinity and/or sensitivity for amino acids and calcium. Specifically targeting these receptors could enhance gut hormone secretion, thus providing a new therapeutic option. This narrative review provides an overview of the latest research on protein- and calcium-mediated GLP-1 release with an emphasis on human data, and a perspective on potential mechanisms that link potent GLP-1 release to the co-ingestion of protein and calcium. In light of these recent findings, potential future research directions are also presented.
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Affiliation(s)
- Jonathan D Watkins
- Centre for Nutrition, Exercise and Metabolism, Department for Health, University of Bath, Bath, United Kingdom
| | - Françoise Koumanov
- Centre for Nutrition, Exercise and Metabolism, Department for Health, University of Bath, Bath, United Kingdom
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9
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Jia YL, Wang LR, Zhang ZX, Gu Y, Sun XM. Recent advances in biotechnological production of polyunsaturated fatty acids by Yarrowia lipolytica. Crit Rev Food Sci Nutr 2021; 62:8920-8934. [PMID: 34120537 DOI: 10.1080/10408398.2021.1937041] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Owing to the important physiological functions, polyunsaturated fatty acids (PUFAs) play a vital role in protecting human health, such as preventing cancer, cardiovascular disease, and diabetes. Specifically, Yarrowia lipolytica has been identified as the most popular non-conventional oleaginous yeast, which can accumulate the abundant intracellular lipids, indicating that has great potential as an industrial host for production of PUFAs. Notably, some novel engineering strategies have been applied to endow and improve the abilities of Y. lipolytica to synthesize PUFAs, including construction and optimization of PUFAs biosynthetic pathways, improvement of preucrsors acetyl-coA and NADPH supply, inhibition of competing pathways, knockout of β-oxidation pathways, regulation of oxidative stress defense pathways, and regulation of genes involved in upstream lipid metabolism. Besides, some bypass approaches, such as strain mating, evolutionary engineering, and computational model based on omics, also have been proposed to improve the performance of engineering strains. Generally, in this review, we summarized the recent advances in engineering strategies and bypass approaches for improving PUFAs production by Y. lipolytica. In addition, we further summarized the latest efforts of CRISPR/Cas genome editing technology in Y. lipolytica, which is aimed to provide its potential applications in PUFAs production.
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Affiliation(s)
- Yu-Lei Jia
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, People's Republic of China
| | - Ling-Ru Wang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, People's Republic of China
| | - Zi-Xu Zhang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, People's Republic of China
| | - Yang Gu
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, People's Republic of China
| | - Xiao-Man Sun
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, People's Republic of China
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10
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Tou JC, Gucciardi E, Young I. Lipid-modifying effects of lean fish and fish-derived protein consumption in humans: a systematic review and meta-analysis of randomized controlled trials. Nutr Rev 2021; 80:91-112. [PMID: 33942085 DOI: 10.1093/nutrit/nuab003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 12/21/2020] [Accepted: 01/15/2021] [Indexed: 12/28/2022] Open
Abstract
CONTEXT Consumption of lean fish and fish-derived proteins were effective for improving lipid profiles in published studies; however, evidence remains inconclusive. OBJECTIVE To evaluate the effectiveness of lean fish or fish-derived protein on serum/plasma lipid and lipoprotein levels by conducting a systematic review of the literature and meta-analysis of available randomized controlled trials (RCTs). DATA SOURCES Medline (Ovid), Scopus, CINAHL, and Food and Nutritional Sciences databases were searched from the start date of each database to September 2019 to identify RCTs determining the effect of lean fish on lipid profile. STUDY SELECTION INCLUDED RCTs investigated lean fish and fish-derived proteins intake and determined at least 1 major lipid or lipoprotein measurement. DATA EXTRACTION Two reviewers independently evaluated 1217 studies against the inclusion and exclusion criteria. Relevant studies were assessed for risks of bias, and random-effects meta-analysis was conducted to generate average estimates of effect. RESULTS A total of 24 studies met the inclusion criteria. Meta-analysis of data from 18 to 21 eligible crossover and parallel-design RCTs with a total of 1392 to 1456 participants found triacylglycerol-lowering effects for lean fish compared with no fish consumption. Lean fish intake showed no significant differences related to total cholesterol or lipoprotein levels. Subanalysis showed that parallel-group RCTs tended to find greater reduction effects on circulating triacylglycerol than did crossover RCTs. CONCLUSION Additional better-designed, longer, and larger RCTs, particularly crossover RCTs, are needed to clarify the impact of lean fish and fish proteins on the serum/plasma lipid profile. Findings from such studies would enable practitioners to provide their patients evidence-based recommendations to meet the American Heart Association guidelines for fish consumption to reduce cardiovascular disease risk.
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Affiliation(s)
- Janet C Tou
- J.C. Tou is with the Human Nutrition and Foods, Division of Animal and Nutritional Sciences, West Virginia University, Morgantown, West Virginia, USA. E. Gucciardi is with the School of Nutrition, Ryerson University, Toronto, Ontario, Canada. I. Young is with the School of Occupational Health and Public Health, Ryerson University, Toronto, Ontario, Canada
| | - Enza Gucciardi
- J.C. Tou is with the Human Nutrition and Foods, Division of Animal and Nutritional Sciences, West Virginia University, Morgantown, West Virginia, USA. E. Gucciardi is with the School of Nutrition, Ryerson University, Toronto, Ontario, Canada. I. Young is with the School of Occupational Health and Public Health, Ryerson University, Toronto, Ontario, Canada
| | - Ian Young
- J.C. Tou is with the Human Nutrition and Foods, Division of Animal and Nutritional Sciences, West Virginia University, Morgantown, West Virginia, USA. E. Gucciardi is with the School of Nutrition, Ryerson University, Toronto, Ontario, Canada. I. Young is with the School of Occupational Health and Public Health, Ryerson University, Toronto, Ontario, Canada
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11
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Ma Z, Zhang F, Ma H, Chen X, Yang J, Yang Y, Yang X, Tian X, Yu Q, Ma Z, Zhou X. Effects of different types and doses of whey protein on the physiological and intestinal flora in D-galactose induced aging mice. PLoS One 2021; 16:e0248329. [PMID: 33857162 PMCID: PMC8049228 DOI: 10.1371/journal.pone.0248329] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 02/24/2021] [Indexed: 01/22/2023] Open
Abstract
The elderly usually suffer from many diseases. Improving the quality of life of the elderly is an urgent social issue. In this present study, D-galactose treated aging mice models were used to reveal the effects of different animal sources and different doses of whey protein (WP) on the immune indexes organs and intestinal flora. A total of 9 groups were set up, including normal control (NC), negative control (NS), positive control (Vc), low-, medium- and high-doses of cow WP intervention groups (CL, CM and CH for short, correspondingly) and low-, medium- and high-doses of goat WP intervention groups (GL, GM and GH for short, correspondingly). The body weight gain, thymus/body weight ratio, superoxide dismutase (SOD) activity, malondialdehyde (MDA) content, spleen immunoglobulins G (IgG), spleen interleukin-2 (IL-2) and spleen interleukin-2 (IL-6) were measured. Then, the intestinal contents were collected, and 16s genes of intestinal bacteria were sequenced to reveal the changes in bacterial flora structure. WP intervention significantly increased the weight gain, thymus/body ratio and SOD activity, but decrease the content of MDA. WP intervention increased some immune indicators. All the WP treated aging mice showed similar values of physiological indexes to that of the Vc group, even better. The relative abundance of Lactobacillus and Stenotrophomonas was increased and decreased, respectively, by both cow and goat WP. Lactobacillus may be involved in regulating the functional repair of organisms. In contrast, Stenotrophomonas might play a negative role in the immune and antioxidant capacity of the body. Combining physiological indicators and intestinal flora structure, low-concentration WP for cow and goat might be optimal for aging models.
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Affiliation(s)
- Zuolin Ma
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, Gansu, China
| | - Fumei Zhang
- China-Malaysia National Joint lab, Biomedical Research Center, Northwest Minzu University, Lanzhou, Gansu, China
- Gannan Research Institute of Yak Milk, Hezuo, Gansu, China
- Department of Medicine, Northwest Minzu University, Lanzhou, Gansu, China
| | - Hongxin Ma
- China-Malaysia National Joint lab, Biomedical Research Center, Northwest Minzu University, Lanzhou, Gansu, China
- College of Life Science and Engineering, Northwest Minzu University, Lanzhou, Gansu, China
| | - Xinghao Chen
- China-Malaysia National Joint lab, Biomedical Research Center, Northwest Minzu University, Lanzhou, Gansu, China
- College of Life Science and Engineering, Northwest Minzu University, Lanzhou, Gansu, China
| | - Jiaqing Yang
- China-Malaysia National Joint lab, Biomedical Research Center, Northwest Minzu University, Lanzhou, Gansu, China
- College of Life Science and Engineering, Northwest Minzu University, Lanzhou, Gansu, China
| | - Yiyan Yang
- China-Malaysia National Joint lab, Biomedical Research Center, Northwest Minzu University, Lanzhou, Gansu, China
- College of Life Science and Engineering, Northwest Minzu University, Lanzhou, Gansu, China
| | - Xueying Yang
- China-Malaysia National Joint lab, Biomedical Research Center, Northwest Minzu University, Lanzhou, Gansu, China
- College of Life Science and Engineering, Northwest Minzu University, Lanzhou, Gansu, China
| | - Xiaojing Tian
- China-Malaysia National Joint lab, Biomedical Research Center, Northwest Minzu University, Lanzhou, Gansu, China
- Gannan Research Institute of Yak Milk, Hezuo, Gansu, China
- College of Life Science and Engineering, Northwest Minzu University, Lanzhou, Gansu, China
| | - Qunli Yu
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, Gansu, China
| | - Zhongren Ma
- China-Malaysia National Joint lab, Biomedical Research Center, Northwest Minzu University, Lanzhou, Gansu, China
- Gannan Research Institute of Yak Milk, Hezuo, Gansu, China
- College of Life Science and Engineering, Northwest Minzu University, Lanzhou, Gansu, China
| | - Xueyan Zhou
- China-Malaysia National Joint lab, Biomedical Research Center, Northwest Minzu University, Lanzhou, Gansu, China
- Gannan Research Institute of Yak Milk, Hezuo, Gansu, China
- College of Life Science and Engineering, Northwest Minzu University, Lanzhou, Gansu, China
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12
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Role of Fluid Milk in Attenuating Postprandial Hyperglycemia and Hypertriglyceridemia. Nutrients 2020; 12:nu12123806. [PMID: 33322540 PMCID: PMC7763034 DOI: 10.3390/nu12123806] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 12/07/2020] [Accepted: 12/08/2020] [Indexed: 12/18/2022] Open
Abstract
Postprandial plasma glucose and triglyceride concentrations are predictive of relative cardiovascular disease (CVD) risk, and the pathogenesis of both insulin resistance and atherosclerosis has been attributed to acute states of hyperglycemia and hypertriglyceridemia. Postprandial lipemia and hyperglycemia suppress vascular reactivity and induce endothelial dysfunction. Epidemiological studies suggest that chronically-high consumption of milk and milk products is associated with a reduced risk of type 2 diabetes, metabolic syndrome, and CVD. The addition of dairy products to meals high in carbohydrates and fat may lessen these risks through reductions in postprandial glucose and triglyceride responses. Purported mechanisms include dairy proteins and bioactive compounds, which may explain the inverse relationship between dairy consumption and cardiometabolic diseases. The current review evaluates the available literature describing the relationships between metabolic dysfunction, postprandial metabolism, and vascular dysfunction and discusses the potential role of milk and dairy products in attenuating these impairments.
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13
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Smith K, Bowden Davies KA, Stevenson EJ, West DJ. The Clinical Application of Mealtime Whey Protein for the Treatment of Postprandial Hyperglycaemia for People With Type 2 Diabetes: A Long Whey to Go. Front Nutr 2020; 7:587843. [PMID: 33195375 PMCID: PMC7607659 DOI: 10.3389/fnut.2020.587843] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 09/15/2020] [Indexed: 12/11/2022] Open
Abstract
Mitigating postprandial hyperglycaemic excursions may be effective in not only enhancing glycaemic control for people with type 2 diabetes but also reducing the onset of diabetes-related complications. However, there are growing concerns over the long-term efficacy of anti-hyperglycaemic pharmacotherapies, which coupled with their rising financial costs, underlines the need for further non-pharmaceutical treatments to regulate postprandial glycaemic excursions. One promising strategy that acutely improves postprandial glycaemia for people with type 2 diabetes is through the provision of mealtime whey protein, owing to the slowing of gastric emptying and increased secretion of insulin and the incretin peptides. The magnitude of this effect appears greater when whey protein is consumed before, rather than with, a meal. Herein, this dietary tool may offer a simple and inexpensive strategy in the management of postprandial hyperglycaemia for people with type 2 diabetes. However, there are insufficient long-term studies that have investigated the use of mealtime whey protein as a treatment option for individuals with type 2 diabetes. The methodological approaches applied in acute studies and outcomes reported may also not portray what is achievable long-term in practice. Therefore, studies are needed to refine the application of this mealtime strategy to maximize its clinical potential to treat hyperglycaemia and to apply these long-term to address key components of successful diabetes care. This review discusses evidence surrounding the provision of mealtime whey protein to treat postprandial hyperglycaemia in individuals with type 2 diabetes and highlights areas to help facilitate its clinical application.
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Affiliation(s)
- Kieran Smith
- Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Kelly A Bowden Davies
- Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, United Kingdom.,Department of Sport and Exercise Sciences, Manchester Metropolitan University, Manchester, United Kingdom
| | - Emma J Stevenson
- Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Daniel J West
- Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, United Kingdom
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14
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Whey protein isolate inhibits hepatic FGF21 production, which precedes weight gain, hyperinsulinemia and hyperglycemia in mice fed a high-fat diet. Sci Rep 2020; 10:15784. [PMID: 32978487 PMCID: PMC7519058 DOI: 10.1038/s41598-020-72975-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 09/09/2020] [Indexed: 12/31/2022] Open
Abstract
Insufficient expression of hepatic fibroblast growth factor 21 (FGF21) and stromal cell-derived factor 2 like 1 (Sdf2l1) reportedly leads to insulin resistance and hepatosteatosis in obesity and type 2 diabetes. On the other hand, increased expression of hepatic serotonin receptor 2a (htr2a) in diet-induced obesity contributes to hepatosteatosis. Here we show that increases in circulating FGF21 levels and expression of hepatic FGF21 preceded weight gain, hyperinsulinemia, and hyperglycemia in C57BLJ6 mice fed a high-fat diet. Expression of hepatic htr2a and Sdf2l1 increased in insulin-resistant mice fed a high-fat diet. Intake of whey protein isolate decreased plasma FGF21 levels and expression of hepatic FGF21 in mice fed either a high-fat diet or a chow diet, whereas it only suppressed the overexpression of hepatic Sdf2 and htr2a in insulin-resistant mice fed a high-fat diet. Moreover, intake of whey protein isolate decreased plasma serotonin levels in mice fed either a high-fat diet or a chow diet. Genetic inhibition of tryptophan hydroxylase 1 decreased hepatic FGF21 expression and plasma FGF21 levels in mice. These findings suggest that increased hepatic FGF21 production precedes diet-induced weight gain, hyperinsulinemia, and hyperglycemia, and that intake of whey protein isolate could inhibit hepatic FGF21 production by suppressing peripheral serotonin synthesis.
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15
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Amirani E, Milajerdi A, Reiner Ž, Mirzaei H, Mansournia MA, Asemi Z. Effects of whey protein on glycemic control and serum lipoproteins in patients with metabolic syndrome and related conditions: a systematic review and meta-analysis of randomized controlled clinical trials. Lipids Health Dis 2020; 19:209. [PMID: 32958070 PMCID: PMC7504833 DOI: 10.1186/s12944-020-01384-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 09/06/2020] [Indexed: 12/15/2022] Open
Abstract
Background This systematic review and meta-analysis aimed to assess the effects of whey protein on serum lipoproteins and glycemic status in patients with metabolic syndrome (MetS) and related disorders. Methods Online databases, such as Web of Science, Cochrane Library, PubMed and Scopus were systematically searched by two independent authors from inception until 30th April 2020 for English randomized clinical trials investigating the efficacy of whey protein administration in subjects with Mets or related conditions on the parameters of glycemic and lipid control compared to certain control. In order to evaluate the included studies’ methodological quality, Cochrane Collaboration risk of bias tool was applied. Using Cochrane’s Q test and I-square (I2) statistic, the included trials’ heterogeneity was also examined. Using a random-effects model, data were pooled, and weighted mean difference (WMD) was considered as the overall effect size. Results Twenty-two studies were selected to be included in this meta-analysis. Consumption of whey protein resulted in significant reduction of HbA1c (WMD: -0.15; 95% CI: − 0.29, − 0.01) insulin (WMD: -0.94; 95% CI: − 1.68, − 0.21) and homeostasis model assessment-estimated insulin resistance (HOMA-IR) (WMD: -0.20; 95% CI: − 0.36, − 0.05). A significant reduction in triglycerides levels (WMD: -17.12; 95% CI: − 26.52, − 7.72), total cholesterol (WMD: -10.88; 95% CI -18.60, − 3.17), LDL-cholesterol levels (WMD: -8.47 95% CI: − 16.59, − 0.36) and total cholesterol/HDL-cholesterol ratio (WMD: -0.26; 95% CI: − 0.41, − 0.10) was found as well. Conclusions This meta-analysis suggests that supplementation with whey protein had beneficial effect on several indicators of glycemic control and lipid parameters in patients with MetS and related conditions.
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Affiliation(s)
- Elaheh Amirani
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Alireza Milajerdi
- Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Željko Reiner
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran.,Department of Internal Medicine, University Hospital Centre Zagreb, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Mohammad Ali Mansournia
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran.
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16
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Lee DPS, Low JHM, Chen JR, Zimmermann D, Actis-Goretta L, Kim JE. The Influence of Different Foods and Food Ingredients on Acute Postprandial Triglyceride Response: A Systematic Literature Review and Meta-Analysis of Randomized Controlled Trials. Adv Nutr 2020; 11:1529-1543. [PMID: 32609800 PMCID: PMC7666897 DOI: 10.1093/advances/nmaa074] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/15/2020] [Accepted: 05/27/2020] [Indexed: 12/13/2022] Open
Abstract
The use of postprandial triglyceride (ppTG) as a cardiovascular disease risk indicator has gained recent popularity. However, the influence of different foods or food ingredients on the ppTG response has not been comprehensively characterized. A systematic literature review and meta-analysis was conducted to assess the effects of foods or food ingredients on the ppTG response. PubMed, MEDLINE, Cochrane, and CINAHL databases were searched for relevant acute (<24-h) randomized controlled trials published up to September 2018. Based on our selection criteria, 179 relevant trials (366 comparisons) were identified and systematically compiled into distinct food or food ingredient categories. A ppTG-lowering effect was noted for soluble fiber (Hedges' giAUC = -0.72; 95% CI: -1.33, -0.11), sodium bicarbonate mineral water (Hedges' gAUC = -0.42; 95% CI: -0.79, -0.04), diacylglycerol oil (Hedges' giAUC = -0.38; 95% CI: -0.75, -0.00), and whey protein when it was contrasted with other proteins. The fats group showed significant but opposite effects depending on the outcome measure used (Hedges' giAUC = -0.32; 95% CI: -0.61, -0.03; and Hedges' gAUC = 0.16; 95% CI: 0.06, 0.26). Data for other important food groups (nuts, vegetables, and polyphenols) were also assessed but of limited availability. Assessing for oral fat tolerance test (OFTT) recommendation compliance, most trials were ≥4 h long but lacked a sufficiently high fat challenge. iAUC and AUC were more common measures of ppTG. Overall, our analyses indicate that the effects on ppTG by different food groups are diverse, largely influenced by the type of food or food ingredient within the same group. The type of ppTG measurement can also influence the response.
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Affiliation(s)
- Delia Pei Shan Lee
- Department of Food Science and Technology, National University of Singapore, Singapore
| | - Jasmine Hui Min Low
- Department of Food Science and Technology, National University of Singapore, Singapore
| | | | | | - Lucas Actis-Goretta
- Nestlé Research Singapore Hub, Singapore,Nestlé Research, Lausanne, Switzerland
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17
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Effects of Acute Cocoa Supplementation on Postprandial Apolipoproteins, Lipoprotein Subclasses, and Inflammatory Biomarkers in Adults with Type 2 Diabetes after a High-Fat Meal. Nutrients 2020; 12:nu12071902. [PMID: 32605005 PMCID: PMC7399847 DOI: 10.3390/nu12071902] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 06/22/2020] [Accepted: 06/24/2020] [Indexed: 12/22/2022] Open
Abstract
Dyslipidemia and inflammation exacerbate postprandial metabolic stress in people with diabetes. Acute dietary supplementation with polyphenols shows promise in improving postprandial metabolic stress in type 2 diabetes (T2D). Cocoa is a rich source of dietary polyphenols with demonstrated cardioprotective effects in adults without diabetes. To date, the acute effects of cocoa on postprandial lipids and inflammation have received little attention in the presence of T2D. This report expands on our earlier observation that polyphenol-rich cocoa, given as a beverage with a fast-food-style, high-fat breakfast, increased postprandial high-density lipoprotein-cholesterol (HDL-C) in adults with T2D. We now test whether polyphenol-rich cocoa modulated postprandial apolipoproteins (Apo-A1, B), non-esterified fatty acids, nuclear magnetic resonance (NMR)-derived lipoprotein subclass profiles, and select biomarkers of inflammation following the same dietary challenge. We found that cocoa decreased NMR-derived concentrations of total very low-density lipoprotein and chylomicron particles and increased the concentration of total HDL particles over the 6-hour postprandial phase. Serum interleukin-18 was decreased by cocoa vs. placebo. Thus, polyphenol-rich cocoa may alleviate postprandial dyslipidemia and inflammation following a high-fat dietary challenge in adults with T2D. The study was registered at clinicaltrials.gov as NCT01886989.
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18
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Allerton DM, West DJ, Stevenson EJ. Whey protein consumption following fasted exercise reduces early postprandial glycaemia in centrally obese males: a randomised controlled trial. Eur J Nutr 2020; 60:999-1011. [PMID: 32572617 PMCID: PMC7900064 DOI: 10.1007/s00394-020-02304-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 06/08/2020] [Indexed: 02/07/2023]
Abstract
Purpose Acute submaximal exercise and whey protein supplementation have been reported to improve postprandial metabolic and appetite responses to a subsequent meal independently. We aimed to examine the combination of these strategies on postprandial responses to a carbohydrate-rich breakfast. Methods Twelve centrally obese males (age 41 ± 3 years, waist circumference 123.4 ± 2.9 cm), completed three trials in a single-blind, crossover design. Participants rested for 30 min (CON) or completed 30 min low–moderate-intensity treadmill walking (51 ± 1% \documentclass[12pt]{minimal}
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\begin{document}$${{\dot{V}O}}_{\text{2peak}}$$\end{document}V˙O2peak) followed immediately by ingestion of 20 g whey protein (EX + PRO) or placebo (EX). After 15 min, a standardised breakfast was consumed and blood, expired gas and subjective appetite were sampled postprandially. After 240 min, an ad libitum lunch meal was provided to assess energy intake. Results During EX + PRO, post-breakfast peak blood glucose was reduced when compared with EX and CON (EX + PRO: 7.6 ± 0.4 vs EX: 8.4 ± 0.3; CON: 8.3 ± 0.3 mmol l−1, p ≤ 0.04). Early postprandial glucose AUC0–60 min was significantly lower under EX + PRO than EX (p = 0.011), but not CON (p = 0.12). Over the full postprandial period, AUC0–240 min during EX + PRO did not differ from other trials (p > 0.05). Peak plasma insulin concentrations and AUC0–240 min were higher during EX + PRO than CON, but similar to EX. Plasma triglyceride concentrations, substrate oxidation and subjective appetite responses were similar across trials and ad libitum energy intake was not influenced by prior fasted exercise, nor its combination with whey protein supplementation (p > 0.05). Conclusion Following fasted low–moderate-intensity exercise, consuming whey protein before breakfast may improve postprandial glucose excursions, without influencing appetite or subsequent energy intake, in centrally obese males. Trial registration number NCT02714309.
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Affiliation(s)
- Dean M Allerton
- School of Biomedical, Nutritional and Sport Sciences, Newcastle University, Newcastle upon Tyne, UK
| | - Daniel J West
- Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Emma J Stevenson
- Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK.
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19
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Mulet-Cabero AI, Mackie AR, Brodkorb A, Wilde PJ. Dairy structures and physiological responses: a matter of gastric digestion. Crit Rev Food Sci Nutr 2020; 60:3737-3752. [PMID: 32056441 DOI: 10.1080/10408398.2019.1707159] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Digestion and health properties of food do not solely rely on the sum of nutrients but are also influenced by food structure. Dairy products present an array of structures due to differences in the origin of milk components and the changes induced by processing. Some dairy structures have been observed to induce specific effects on digestion rates and physiological responses. However, the underlying mechanisms are not fully understood. Gastric digestion plays a key role in controlling digestion kinetics. The main objective of this review is to expose the relevance of gastric phase as the link between dairy structures and physiological responses. The focus is on human and animal studies, and physiological relevant in vitro digestion models. Data collected showed that the structure of dairy products have a profound impact on rate of nutrient bioavailability, absorption and physiological responses, suggesting gastric digestion as the main driver. Control of gastric digestion can be a tool for delivering specific rates of nutrient digestion. Therefore, the design of food structure targeting specific gastric behavior could be of great interest for particular population needs e.g. rapid nutrient digestion will benefit elderly, and slow nutrient digestion could help to enhance satiety.
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Affiliation(s)
| | - Alan R Mackie
- School of Food Science and Nutrition, University of Leeds, Leeds, UK
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20
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Bozzetto L, Della Pepa G, Vetrani C, Rivellese AA. Dietary Impact on Postprandial Lipemia. Front Endocrinol (Lausanne) 2020; 11:337. [PMID: 32733374 PMCID: PMC7358426 DOI: 10.3389/fendo.2020.00337] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 04/29/2020] [Indexed: 12/14/2022] Open
Abstract
Abnormalities in postprandial lipemia (PPL), particularly those related to triglyceride-rich lipoproteins, are considered an independent cardiovascular risk factor. As diet is known to be one of the main modulators of PPL, the aim of this review was to summarize and discuss current knowledge on the impact of diet and its components on PPL in humans; specifically, the impact of weight loss, different nutrients (quantity and quality of dietary fats, carbohydrates, and proteins), alcohol and other bioactive dietary components (i.e., polyphenols), as well as the effect of different dietary patterns. The possible mechanisms behind the metabolic effects of each dietary component were also discussed.
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21
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Müller TD, Finan B, Bloom SR, D'Alessio D, Drucker DJ, Flatt PR, Fritsche A, Gribble F, Grill HJ, Habener JF, Holst JJ, Langhans W, Meier JJ, Nauck MA, Perez-Tilve D, Pocai A, Reimann F, Sandoval DA, Schwartz TW, Seeley RJ, Stemmer K, Tang-Christensen M, Woods SC, DiMarchi RD, Tschöp MH. Glucagon-like peptide 1 (GLP-1). Mol Metab 2019; 30:72-130. [PMID: 31767182 PMCID: PMC6812410 DOI: 10.1016/j.molmet.2019.09.010] [Citation(s) in RCA: 831] [Impact Index Per Article: 166.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 09/10/2019] [Accepted: 09/22/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The glucagon-like peptide-1 (GLP-1) is a multifaceted hormone with broad pharmacological potential. Among the numerous metabolic effects of GLP-1 are the glucose-dependent stimulation of insulin secretion, decrease of gastric emptying, inhibition of food intake, increase of natriuresis and diuresis, and modulation of rodent β-cell proliferation. GLP-1 also has cardio- and neuroprotective effects, decreases inflammation and apoptosis, and has implications for learning and memory, reward behavior, and palatability. Biochemically modified for enhanced potency and sustained action, GLP-1 receptor agonists are successfully in clinical use for the treatment of type-2 diabetes, and several GLP-1-based pharmacotherapies are in clinical evaluation for the treatment of obesity. SCOPE OF REVIEW In this review, we provide a detailed overview on the multifaceted nature of GLP-1 and its pharmacology and discuss its therapeutic implications on various diseases. MAJOR CONCLUSIONS Since its discovery, GLP-1 has emerged as a pleiotropic hormone with a myriad of metabolic functions that go well beyond its classical identification as an incretin hormone. The numerous beneficial effects of GLP-1 render this hormone an interesting candidate for the development of pharmacotherapies to treat obesity, diabetes, and neurodegenerative disorders.
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Affiliation(s)
- T D Müller
- Institute for Diabetes and Obesity, Helmholtz Diabetes Center, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany; German Center for Diabetes Research (DZD), Neuherberg, Germany; Department of Pharmacology and Experimental Therapy, Institute of Experimental and Clinical Pharmacology and Toxicology, Eberhard Karls University Hospitals and Clinics, Tübingen, Germany.
| | - B Finan
- Novo Nordisk Research Center Indianapolis, Indianapolis, IN, USA
| | - S R Bloom
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
| | - D D'Alessio
- Division of Endocrinology, Duke University Medical Center, Durham, NC, USA
| | - D J Drucker
- The Department of Medicine, Lunenfeld-Tanenbaum Research Institute, Mt. Sinai Hospital, University of Toronto, Ontario, M5G1X5, Canada
| | - P R Flatt
- SAAD Centre for Pharmacy & Diabetes, Ulster University, Coleraine, Northern Ireland, UK
| | - A Fritsche
- German Center for Diabetes Research (DZD), Neuherberg, Germany; Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany; Division of Endocrinology, Diabetology, Vascular Disease, Nephrology and Clinical Chemistry, Department of Internal Medicine, University of Tübingen, Tübingen, Germany
| | - F Gribble
- Metabolic Research Laboratories and Medical Research Council Metabolic Diseases Unit, Wellcome Trust-Medical Research Council, Institute of Metabolic Science, Addenbrooke's Hospital, University of Cambridge, Cambridge, CB2 0QQ, UK
| | - H J Grill
- Institute of Diabetes, Obesity and Metabolism, Department of Psychology, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - J F Habener
- Laboratory of Molecular Endocrinology, Massachusetts General Hospital, Harvard University, Boston, MA, USA
| | - J J Holst
- Novo Nordisk Foundation Center for Basic Metabolic Research, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - W Langhans
- Physiology and Behavior Laboratory, ETH Zurich, Schwerzenbach, Switzerland
| | - J J Meier
- Diabetes Division, St Josef Hospital, Ruhr-University Bochum, Bochum, Germany
| | - M A Nauck
- Diabetes Center Bochum-Hattingen, St Josef Hospital (Ruhr-Universität Bochum), Bochum, Germany
| | - D Perez-Tilve
- Department of Internal Medicine, University of Cincinnati-College of Medicine, Cincinnati, OH, USA
| | - A Pocai
- Cardiovascular & ImmunoMetabolism, Janssen Research & Development, Welsh and McKean Roads, Spring House, PA, 19477, USA
| | - F Reimann
- Metabolic Research Laboratories and Medical Research Council Metabolic Diseases Unit, Wellcome Trust-Medical Research Council, Institute of Metabolic Science, Addenbrooke's Hospital, University of Cambridge, Cambridge, CB2 0QQ, UK
| | - D A Sandoval
- Department of Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
| | - T W Schwartz
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, DL-2200, Copenhagen, Denmark; Department of Biomedical Sciences, University of Copenhagen, DK-2200, Copenhagen, Denmark
| | - R J Seeley
- Department of Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
| | - K Stemmer
- Institute for Diabetes and Obesity, Helmholtz Diabetes Center, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany; German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - M Tang-Christensen
- Obesity Research, Global Drug Discovery, Novo Nordisk A/S, Måløv, Denmark
| | - S C Woods
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati, Cincinnati, OH, USA
| | - R D DiMarchi
- Novo Nordisk Research Center Indianapolis, Indianapolis, IN, USA; Department of Chemistry, Indiana University, Bloomington, IN, USA
| | - M H Tschöp
- German Center for Diabetes Research (DZD), Neuherberg, Germany; Division of Metabolic Diseases, Department of Medicine, Technische Universität München, Munich, Germany; Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany
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22
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Hidayat K, Du X, Shi BM. Milk in the prevention and management of type 2 diabetes: The potential role of milk proteins. Diabetes Metab Res Rev 2019; 35:e3187. [PMID: 31111646 DOI: 10.1002/dmrr.3187] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 03/31/2019] [Accepted: 05/07/2019] [Indexed: 12/17/2022]
Abstract
Globally, diabetes mellitus is not only considered a leading cause of mortality and morbidities but has also created a substantial economic burden. There is growing evidence that foods and their components can be implemented in the prevention and management of type 2 diabetes mellitus (T2DM). Increased dairy consumption has been linked to a lower risk of T2DM. The protective role of dairy foods in the development of T2DM is thought to be largely attributable to dairy nutrients, one of them being dairy protein. There is considerable evidence that milk proteins increase the postprandial insulin response and lower the postprandial blood glucose response in both healthy subjects and patients with T2DM. The exact mechanisms by which milk proteins lower postprandial glucose levels are yet to established; however, the amino acids and bioactive peptides derived from milk proteins are thought to modify a physiological milieu, which includes delayed gastric emptying and the enhancement of incretin and insulin responses, consequently leading to lower postprandial glucose levels. The present review will focus on providing a clear presentation of the potential implementation of milk proteins as a dietary supplement in the prevention and management of T2DM by summarizing the relevant supporting evidence for this particular topic.
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Affiliation(s)
- Khemayanto Hidayat
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xuan Du
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Bi-Min Shi
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Soochow University, Suzhou, China
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23
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Melo PF, Kalschne DL, Silva‐Buzanello RA, Amaral JS, Torquato AS, Corso MP, Falcão HG, Colla E, Ida EI, Canan C. Cereal bars functionalised with tempeh: nutritional composition, isoflavone content and consumer acceptance. Int J Food Sci Technol 2019. [DOI: 10.1111/ijfs.14384] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Priscila F. Melo
- Departamento de Alimentos Universidade Tecnológica Federal do Paraná Avenida Brasil, 4232, Parque Independência Medianeira 85884000 Brazil
| | - Daneysa L. Kalschne
- Departamento de Alimentos Universidade Tecnológica Federal do Paraná Avenida Brasil, 4232, Parque Independência Medianeira 85884000 Brazil
| | - Rosana A. Silva‐Buzanello
- Departamento de Alimentos Universidade Tecnológica Federal do Paraná Avenida Brasil, 4232, Parque Independência Medianeira 85884000 Brazil
| | - Joana S. Amaral
- Centro de Investigação de Montanha Instituto Politécnico de Bragança Campus de Santa Apolónia Bragança Portugal
| | - Alex S. Torquato
- Departamento de Química Universidade Tecnológica Federal do Paraná Avenida Brasil, 4232, Parque Independência Medianeira 85884000 Brazil
| | - Marinês P. Corso
- Departamento de Alimentos Universidade Tecnológica Federal do Paraná Avenida Brasil, 4232, Parque Independência Medianeira 85884000 Brazil
| | - Heloisa G. Falcão
- Departamento de Ciência e Tecnologia de Alimentos Centro de Ciências Agrárias Universidade Estadual de Londrina Rodovia Celso Garcia Cid Londrina 86057-970 Brazil
| | - Eliane Colla
- Departamento de Alimentos Universidade Tecnológica Federal do Paraná Avenida Brasil, 4232, Parque Independência Medianeira 85884000 Brazil
| | - Elza I. Ida
- Departamento de Ciência e Tecnologia de Alimentos Centro de Ciências Agrárias Universidade Estadual de Londrina Rodovia Celso Garcia Cid Londrina 86057-970 Brazil
| | - Cristiane Canan
- Departamento de Alimentos Universidade Tecnológica Federal do Paraná Avenida Brasil, 4232, Parque Independência Medianeira 85884000 Brazil
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24
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Holst JJ, Albrechtsen NJW, Rosenkilde MM, Deacon CF. Physiology of the Incretin Hormones,
GIP
and
GLP
‐1—Regulation of Release and Posttranslational Modifications. Compr Physiol 2019; 9:1339-1381. [DOI: 10.1002/cphy.c180013] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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25
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Rakvaag E, Fuglsang-Nielsen R, Bach Knudsen KE, Landberg R, Johannesson Hjelholt A, Søndergaard E, Hermansen K, Gregersen S. Whey Protein Combined with Low Dietary Fiber Improves Lipid Profile in Subjects with Abdominal Obesity: A Randomized, Controlled Trial. Nutrients 2019; 11:nu11092091. [PMID: 31487806 PMCID: PMC6770182 DOI: 10.3390/nu11092091] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/23/2019] [Accepted: 08/28/2019] [Indexed: 12/22/2022] Open
Abstract
Abdominal obesity is associated with elevated postprandial triglycerides (TG), an independent risk factor for cardiovascular diseases. Previous studies show that whey protein (WP) and dietary fiber may separately reduce postprandial TG. However, few studies have investigated the long-term effects of WP and dietary fiber on postprandial TG. We aimed to investigate the separate and combined long-term effects of WP and dietary fiber from wheat bran on postprandial TG and markers of lipid metabolism in subjects with abdominal obesity. We conducted a 12-week, double-blind, randomized, controlled, parallel intervention study. In a 2 × 2 factorial design, 73 adults were randomized to receive 60 g/day of either WP hydrolysate or maltodextrin (MD) combined with high-fiber wheat bran products (HiFi; 30 g dietary fiber/day) or low-fiber refined wheat products (LoFi; 10 g dietary fiber/day). A high-fat meal test was conducted before and after the intervention. Sixty-five subjects were included in the final analyses. There were no differences between intervention groups in postprandial TG assessed as incremental area under the curve (iAUC). WP-LoFi had reduced postprandial TG assessed as total area under the curve (tAUC) and reduced fasting TG compared with all other groups, and reduced fasting apolipoprotein B-48 compared with MD-LoFi. There were no changes in lipoprotein lipase activity. Total cholesterol and apolipoprotein B-100 were reduced after WP intake compared with MD. Total cholesterol was increased after HiFi intake compared with LoFi. In conclusion, intake of WP in combination with low-fiber cereal products for 12 weeks had beneficial effects on postprandial TG tAUC and fasting TG, but not on postprandial TG iAUC in subjects with abdominal obesity. Combining WP with high-fiber wheat bran products did not improve lipid profile.
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Affiliation(s)
- Elin Rakvaag
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, 8200 Aarhus, Denmark.
| | - Rasmus Fuglsang-Nielsen
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, 8200 Aarhus, Denmark
| | | | - Rikard Landberg
- Department of Biology and Biological Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden
| | | | - Esben Søndergaard
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, 8200 Aarhus, Denmark
| | - Kjeld Hermansen
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, 8200 Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, 8000 Aarhus, Denmark
| | - Søren Gregersen
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, 8200 Aarhus, Denmark
- Steno Diabetes Center Aarhus, 8200 Aarhus, Denmark
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26
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Kolovou GD, Watts GF, Mikhailidis DP, Pérez-Martínez P, Mora S, Bilianou H, Panotopoulos G, Katsiki N, Ooi TC, Lopez-Miranda J, Tybjærg-Hansen A, Tentolouris N, Nordestgaard BG. Postprandial Hypertriglyceridaemia Revisited in the Era of Non-Fasting Lipid Profile Testing: A 2019 Expert Panel Statement, Narrative Review. Curr Vasc Pharmacol 2019; 17:515-537. [DOI: 10.2174/1570161117666190503123911] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 04/01/2019] [Accepted: 04/11/2019] [Indexed: 12/17/2022]
Abstract
Postprandial hypertriglyceridaemia, defined as an increase in plasma triglyceride-containing
lipoproteins following a fat meal, is a potential risk predictor of atherosclerotic cardiovascular disease
and other chronic diseases. Several non-modifiable factors (genetics, age, sex and menopausal status)
and lifestyle factors (diet, physical activity, smoking status, obesity, alcohol and medication use) may
influence postprandial hypertriglyceridaemia. This narrative review considers the studies published over
the last decade that evaluated postprandial hypertriglyceridaemia. Additionally, the genetic determinants
of postprandial plasma triglyceride levels, the types of meals for studying postprandial triglyceride response,
and underlying conditions (e.g. familial dyslipidaemias, diabetes mellitus, metabolic syndrome,
non-alcoholic fatty liver and chronic kidney disease) that are associated with postprandial hypertriglyceridaemia
are reviewed; therapeutic aspects are also considered.
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Affiliation(s)
- Genovefa D. Kolovou
- Cardiology Department and LDL-Apheresis Unit, Onassis Cardiac Surgery Center, Athens, Greece
| | - Gerald F. Watts
- Lipid Disorders Clinic, Department of Cardiology, Royal Perth Hospital, School of Medicine, Faculty of Health and Medical Sciences, University of Western Australia, Crawley, Australia
| | - Dimitri P. Mikhailidis
- Department of Clinical Biochemistry, Royal Free Hospital Campus, University College London Medical School, University College London (UCL), London, United Kingdom
| | - Pablo Pérez-Martínez
- Lipid and Atherosclerosis Unit, IMIBIC/Reina Sofia University Hospital/University of Cordoba, and CIBER Fisiopatologia Obesidad y Nutricion (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Samia Mora
- Center for Lipid Metabolomics, Divisions of Preventive and Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Helen Bilianou
- Department of Cardiology, Tzanio Hospital, Piraeus, Greece
| | | | - Niki Katsiki
- First Department of Internal Medicine, Division of Endocrinology-Metabolism, Diabetes Center, AHEPA University Hospital, Thessaloniki, Greece
| | - Teik C. Ooi
- Department of Medicine, Division of Endocrinology and Metabolism, University of Ottawa, Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - José Lopez-Miranda
- Lipid and Atherosclerosis Unit, IMIBIC/Reina Sofia University Hospital/University of Cordoba, and CIBER Fisiopatologia Obesidad y Nutricion (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Anne Tybjærg-Hansen
- Department of Clinical Biochemistry, Rigshospitalet, Copenhagen University Hospital, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Nicholas Tentolouris
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Børge G. Nordestgaard
- Department of Clinical Biochemistry, Herlev and Gentofte Hospital, Copenhagen University Hospital, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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27
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Desmarchelier C, Borel P, Lairon D, Maraninchi M, Valéro R. Effect of Nutrient and Micronutrient Intake on Chylomicron Production and Postprandial Lipemia. Nutrients 2019; 11:E1299. [PMID: 31181761 PMCID: PMC6627366 DOI: 10.3390/nu11061299] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 06/03/2019] [Accepted: 06/04/2019] [Indexed: 01/02/2023] Open
Abstract
Postprandial lipemia, which is one of the main characteristics of the atherogenic dyslipidemia with fasting plasma hypertriglyceridemia, low high-density lipoprotein cholesterol and an increase of small and dense low-density lipoproteins is now considered a causal risk factor for atherosclerotic cardiovascular disease and all-cause mortality. Postprandial lipemia, which is mainly related to the increase in chylomicron production, is frequently elevated in individuals at high cardiovascular risk such as obese or overweight patients, type 2 diabetic patients and subjects with a metabolic syndrome who share an insulin resistant state. It is now well known that chylomicron production and thus postprandial lipemia is highly regulated by many factors such as endogenous factors: circulating factors such as hormones or free fatty acids, genetic variants, circadian rhythms, or exogenous factors: food components, dietary supplements and prescription drugs. In this review, we focused on the effect of nutrients, micronutrients and phytochemicals but also on food structure on chylomicron production and postprandial lipemia.
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Affiliation(s)
- Charles Desmarchelier
- Faculty of Medicine, Aix-Marseille Université, 27 Boulevard Jean Moulin, 13385 Marseille, France.
- Faculty of Medicine, C2VN (Center for Cardiovascular and Nutrition Research), 27 Boulevard Jean Moulin, 13385 Marseille, France.
- Faculty of Medicine, INSERM, 27 Boulevard Jean Moulin, 13385 Marseille, France.
- Faculty of Medicine, INRA, 27 Boulevard Jean Moulin, 13385 Marseille, France.
| | - Patrick Borel
- Faculty of Medicine, Aix-Marseille Université, 27 Boulevard Jean Moulin, 13385 Marseille, France.
- Faculty of Medicine, C2VN (Center for Cardiovascular and Nutrition Research), 27 Boulevard Jean Moulin, 13385 Marseille, France.
- Faculty of Medicine, INSERM, 27 Boulevard Jean Moulin, 13385 Marseille, France.
- Faculty of Medicine, INRA, 27 Boulevard Jean Moulin, 13385 Marseille, France.
| | - Denis Lairon
- Faculty of Medicine, Aix-Marseille Université, 27 Boulevard Jean Moulin, 13385 Marseille, France.
- Faculty of Medicine, C2VN (Center for Cardiovascular and Nutrition Research), 27 Boulevard Jean Moulin, 13385 Marseille, France.
- Faculty of Medicine, INSERM, 27 Boulevard Jean Moulin, 13385 Marseille, France.
- Faculty of Medicine, INRA, 27 Boulevard Jean Moulin, 13385 Marseille, France.
| | - Marie Maraninchi
- Faculty of Medicine, Aix-Marseille Université, 27 Boulevard Jean Moulin, 13385 Marseille, France.
- Faculty of Medicine, C2VN (Center for Cardiovascular and Nutrition Research), 27 Boulevard Jean Moulin, 13385 Marseille, France.
- Faculty of Medicine, INSERM, 27 Boulevard Jean Moulin, 13385 Marseille, France.
- Faculty of Medicine, INRA, 27 Boulevard Jean Moulin, 13385 Marseille, France.
- CHU Conception, APHM (Assistance Publique-Hôpitaux de Marseille), 147 Boulevard Baille, 13005 Marseille, France.
| | - René Valéro
- Faculty of Medicine, Aix-Marseille Université, 27 Boulevard Jean Moulin, 13385 Marseille, France.
- Faculty of Medicine, C2VN (Center for Cardiovascular and Nutrition Research), 27 Boulevard Jean Moulin, 13385 Marseille, France.
- Faculty of Medicine, INSERM, 27 Boulevard Jean Moulin, 13385 Marseille, France.
- Faculty of Medicine, INRA, 27 Boulevard Jean Moulin, 13385 Marseille, France.
- CHU Conception, APHM (Assistance Publique-Hôpitaux de Marseille), 147 Boulevard Baille, 13005 Marseille, France.
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28
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Liu X, Zhang B, Sohal IS, Bello D, Chen H. Is "nano safe to eat or not"? A review of the state-of-the art in soft engineered nanoparticle (sENP) formulation and delivery in foods. ADVANCES IN FOOD AND NUTRITION RESEARCH 2019; 88:299-335. [PMID: 31151727 DOI: 10.1016/bs.afnr.2019.03.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
With superior physicochemical properties, soft engineered nanoparticles (sENP) (protein, carbohydrate, lipids and other biomaterials) are widely used in foods. The preparation, functionalities, applications, transformations in gastrointestinal (GI) tract, and effects on gut microbiota of sENP directly incorporated for ingestion are reviewed herein. At the time of this review, there is no notable report of safety concerns of these nanomaterials found in the literature. Meanwhile, various beneficial effects have been demonstrated for the application of sENP. To address public perception and safety concerns of nanoscale materials in food, methodologies for evaluation of physiological effects of nanomaterials are reviewed. The combination of these complementary methods will be useful for the establishment of a comprehensive risk assessment system.
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Affiliation(s)
- Xiaobo Liu
- Department of Biomedical and Nutritional Sciences, University of Massachusetts, Lowell, MA, United States
| | - Boce Zhang
- Department of Biomedical and Nutritional Sciences, University of Massachusetts, Lowell, MA, United States.
| | - Ikjot Singh Sohal
- Purdue University, Center for Cancer Research, West Lafayette, IN, United States
| | - Dhimiter Bello
- Department of Biomedical and Nutritional Sciences, University of Massachusetts, Lowell, MA, United States.
| | - Hongda Chen
- U.S. Department of Agriculture, National Institute of Food and Agriculture, Washington DC, United States.
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29
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Pre-meal and postprandial lipaemia in subjects with the metabolic syndrome: effects of timing and protein quality (randomised crossover trial). Br J Nutr 2019; 121:312-321. [PMID: 30599817 DOI: 10.1017/s0007114518003264] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Non-fasting TAG - postprandial lipaemia (PPL) - are to a higher degree associated with cardiovascular risk compared with fasting TAG. Dietary protein, especially whey proteins (WP), may lower PPL. We hypothesised that a WP pre-meal (17·6 g protein) consumed 15 v. 30 min before a fat-rich meal reduces the PPL response in subjects with the metabolic syndrome (MetS) and that a WP pre-meal has more potent effects than casein and gluten pre-meals. A total of sixteen subjects with the MetS completed an acute, randomised, crossover trial. WP pre-meals were consumed 15 and 30 min, and casein and gluten 15 min before a fat-rich meal. Blood samples were drawn 360 min postprandially to determine metabolite and hormone responses, S-paracetamol (for assessment of gastric emptying) and amino acids. Insulin and glucagon responses were affected by both timing and protein type (for all P <0·01), with significantly higher concentrations for WP given at -15 min than WP at -30 min and higher responses compared with gluten for the first 30 min after pre-meal consumption (for all P <0·05). The PPL responses changed neither by timing nor by protein type. Glucose-dependent insulinotropic peptide but not glucagon-like peptide 1 responses differed between the three protein types. S-paracetamol concentration was higher for WP (-30 min) than for WP (-15 min) 15 min after the main meal (P = 0·028), and higher for casein and gluten than for WP at time point 30 min (for all P <0·05). In conclusion, the PPL response was not changed by ingestion of a 17·6 g protein pre-meal, whereas both timing and protein quality affected hormone secretion (insulin and glucagon).
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30
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Wei M, Liu Z, Liu Y, Li S, Hu M, Yue K, Liu T, He Y, Pi Z, Liu Z, Song F. Urinary and plasmatic metabolomics strategy to explore the holistic mechanism of lignans in S. chinensis in treating Alzheimer's disease using UPLC-Q-TOF-MS. Food Funct 2019; 10:5656-5668. [DOI: 10.1039/c9fo00677j] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Schisandra chinensis (Turcz.) Baill (S. chinensis), a functional food, is used as a tonic and sedative agent in traditional Chinese medicine.
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31
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Wei M, Liu Y, Pi Z, Yue K, Li S, Hu M, Liu Z, Song F, Liu Z. Investigation of plasma metabolomics and neurotransmitter dysfunction in the process of Alzheimer's disease rat induced by amyloid beta 25-35. RSC Adv 2019; 9:18308-18319. [PMID: 35515227 PMCID: PMC9064735 DOI: 10.1039/c9ra00302a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Revised: 02/15/2021] [Accepted: 05/21/2019] [Indexed: 11/21/2022] Open
Abstract
Alzheimer's disease (AD) has become one of the major diseases endangering the health of the elderly. Clarifying the features of each AD animal model is valuable for understanding the onset and progression of diseases and developing potential treatments in the pharmaceutical industry. In this study, we aimed to clarify plasma metabolomics and neurotransmitter dysfunction in the process of AD model rat induced by amyloid beta 25-35 (Aβ 25-35). Firstly, Morris Water Maze (MWM) test was used to investigate cognitive impairment in AD rat after 2, 4 and 8 weeks of modelling. Based on this, the effects on levels of AD-related enzymes and eight neurotransmitters were analyzed. And plasma metabolomics analysis based on ultra high-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UHPLC-Q-TOF-MS) was used to research the metabolic disturbances in the process of AD rat. The results shown the injury on the spatial learning ability of AD rats was gradually aggravated within 4 weeks, reached the maximum at 4 weeks and then was stable until 8 weeks. During 8 weeks of modeling, the levels of enzymes including β-secretase, γ-secretase, glycogen synthase kinase-3β (GSK-3β), acetyl cholinesterase (AchE) and nitric oxide synthase (NOS) were significant increased in the plasma of AD rats. The neurotransmitter dysfunction was mainly involved in γ-aminobutyric acid (GABA), acetyl choline (Ach), glutamic acid (Glu), 5-hydroxytryptamine (5-HT), dopamine (DA) and norepinephrine (NE). 17 endogenous metabolites correlated with AD were successfully detected in the metabolomics analysis. These metabolites were mainly involved in fatty acids, sphingolipids, and sterols metabolisms, vitamin metabolism, and amino acid metabolism. These metabolites might be the potential biomarkers that correctly mark different stages of AD. The study on peripheral plasma indices reflecting the process of AD laid the foundation for understand the pathophysiology of AD and find an effective and radical cure. And the rules of endogenous metabolic disorder in AD rats also have a certain guiding significance for the future study of food–drug interactions at different stages of AD. The cognitive impairment, Alzheimer's disease (AD) related enzymes, neurotransmitters and endogenous metabolites shown a dynamic change in AD model rat induced by amyloid beta 25-35.![]()
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Affiliation(s)
- Mengying Wei
- School of Pharmaceutical Sciences
- Jilin University
- Changchun
- China
- National Center for Mass Spectrometry in Changchun
| | - Yuanyuan Liu
- School of Pharmaceutical Sciences
- Jilin University
- Changchun
- China
| | - Zifeng Pi
- National Center for Mass Spectrometry in Changchun
- Jilin Province Key Laboratory of Chinese Medicine Chemistry and Mass Spectrometry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
| | - Kexin Yue
- School of Pharmaceutical Sciences
- Jilin University
- Changchun
- China
| | - Shizhe Li
- Guangdong Univ Technol
- Inst Biomed & Pharmaceut Sci
- Guangzhou 510006
- People's Republic of China
| | - Mingxin Hu
- School of Pharmaceutical Sciences
- Jilin University
- Changchun
- China
| | - Zhiqiang Liu
- National Center for Mass Spectrometry in Changchun
- Jilin Province Key Laboratory of Chinese Medicine Chemistry and Mass Spectrometry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
| | - Fengrui Song
- National Center for Mass Spectrometry in Changchun
- Jilin Province Key Laboratory of Chinese Medicine Chemistry and Mass Spectrometry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
| | - Zhongying Liu
- School of Pharmaceutical Sciences
- Jilin University
- Changchun
- China
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32
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Possible Prevention of Diabetes with a Gluten-Free Diet. Nutrients 2018; 10:nu10111746. [PMID: 30428550 PMCID: PMC6266002 DOI: 10.3390/nu10111746] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 11/06/2018] [Accepted: 11/07/2018] [Indexed: 02/07/2023] Open
Abstract
Gluten seems a potentially important determinant in type 1 diabetes (T1D) and type 2 diabetes (T2D). Intake of gluten, a major component of wheat, rye, and barley, affects the microbiota and increases the intestinal permeability. Moreover, studies have demonstrated that gluten peptides, after crossing the intestinal barrier, lead to a more inflammatory milieu. Gluten peptides enter the pancreas where they affect the morphology and might induce beta-cell stress by enhancing glucose- and palmitate-stimulated insulin secretion. Interestingly, animal studies and a human study have demonstrated that a gluten-free (GF) diet during pregnancy reduces the risk of T1D. Evidence regarding the role of a GF diet in T2D is less clear. Some studies have linked intake of a GF diet to reduced obesity and T2D and suggested a role in reducing leptin- and insulin-resistance and increasing beta-cell volume. The current knowledge indicates that gluten, among many environmental factors, may be an aetiopathogenic factors for development of T1D and T2D. However, human intervention trials are needed to confirm this and the proposed mechanisms.
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33
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Effects of a High-Protein Diet Including Whole Eggs on Muscle Composition and Indices of Cardiometabolic Health and Systemic Inflammation in Older Adults with Overweight or Obesity: A Randomized Controlled Trial. Nutrients 2018; 10:nu10070946. [PMID: 30041437 PMCID: PMC6073477 DOI: 10.3390/nu10070946] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 07/19/2018] [Accepted: 07/20/2018] [Indexed: 12/25/2022] Open
Abstract
Age-related increases in intermuscular adipose tissue (IMAT) impair muscle quality, decrease functional capacity, and promote several cardiometabolic and inflammatory disorders. Whether these age-related alterations in muscle composition improve by consuming a high-protein (HP) diet with whole eggs are unclear. This parallel-design, randomized-controlled trial assessed the effects of a 12-week eucaloric HP diet with three whole eggs per day (1.4 g protein kg−1 day−1) versus a normal-protein diet void of eggs (NP, 0.8 g protein kg−1 day−1) on muscle composition (IMAT), cardiometabolic health, and systemic inflammation in older adults with overweight or obesity (12 men and 10 women; age 70 ± 5 years, BMI 31.3 ± 3.2 kg/m2, mean ± SD). No changes in muscle composition were observed over time, independent of protein intake. Total body weight was reduced in both groups (−3.3 ± 1.2%) and lean mass was preserved only with the HP diet. LDL concentration and hip circumference decreased only with the NP diet, while MCP-1 and HsCRP concentrations increased over time in both groups. A HP diet with whole eggs promotes lean mass retention with modest weight loss, but does not positively influence muscle composition, cardiometabolic health or systemic inflammation, compared to a NP diet void of eggs.
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Pei R, DiMarco DM, Putt KK, Martin DA, Chitchumroonchokchai C, Bruno RS, Bolling BW. Premeal Low-Fat Yogurt Consumption Reduces Postprandial Inflammation and Markers of Endotoxin Exposure in Healthy Premenopausal Women in a Randomized Controlled Trial. J Nutr 2018; 148:910-916. [PMID: 29767743 PMCID: PMC5991203 DOI: 10.1093/jn/nxy046] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Accepted: 02/14/2018] [Indexed: 12/19/2022] Open
Abstract
Background Metabolic endotoxemia is associated with obesity and contributes to postprandial inflammation. Objective We aimed to determine if low-fat yogurt consumption prevents postprandial inflammation and dysmetabolism in healthy women by inhibiting biomarkers of metabolic endotoxemia. Methods Premenopausal women defined as obese and nonobese [body mass index (BMI, in kg/m2) 30-40 and 18.5-27, respectively, n = 120] were randomly assigned to consume 339 g of low-fat yogurt (YN, yogurt nonobese; YO, yogurt obese) or 324 g of soy pudding (CN, control nonobese; CO, control obese) for 9 wk (n = 30/group). The intervention foods each supplied 330 kcal with 3 g fat, 66 g carbohydrate, and 4-6 g protein. At weeks 0 and 9, participants ingested 226 g of yogurt or 216 g of soy pudding before a meal providing 56-60 g fat, 82 g carbohydrate, and 28-30 g protein. Plasma soluble CD14 (sCD14), lipopolysaccharide-binding protein (LBP), LPS activity, interleukin-6 (IL-6), glucose, triglyceride, and insulin were measured hourly for 4 h to assess differences in postprandial responses between groups by 2-factor ANOVA. Results Premeal yogurt consumption prevented the postprandial decrease in sCD14 net incremental area under the curve (net iAUC) by 72% in obese individuals at week 0 (P = 0.0323). YN and YO had ≥40% lower net iAUC of LBP-to-sCD14 ratio and plasma IL-6 concentration than CN and CO, respectively (P < 0.05). CO had postprandial hyperglycemia which was not evident in YO; in contrast YN had 57% less postprandial hypoglycemia than did CN (P-interaction = 0.0013). After 9 wk of yogurt consumption, ΔAUC of LBP-to-sCD14 ratios of YO and YN were less than half of those of the control groups (P = 0.0093). Conclusion Yogurt consumption improved postprandial metabolism and biomarkers of metabolic endotoxemia in healthy premenopausal women. Premeal yogurt consumption is a feasible strategy to inhibit postprandial dysmetabolism and thus may reduce cardiometabolic risk. This trial was registered at clinicaltrials.gov as NCT01686204.
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Affiliation(s)
- Ruisong Pei
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT,Department of Food Science, University of Wisconsin-Madison, Madison, WI
| | - Diana M DiMarco
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT
| | - Kelley K Putt
- Department of Food Science, University of Wisconsin-Madison, Madison, WI
| | - Derek A Martin
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT,Department of Food Science, University of Wisconsin-Madison, Madison, WI
| | | | - Richard S Bruno
- Human Nutrition Program, The Ohio State University, Columbus, OH
| | - Bradley W Bolling
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT,Department of Food Science, University of Wisconsin-Madison, Madison, WI,Address correspondence to BWB (e-mail: )
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Bjørnshave A, Holst JJ, Hermansen K. A pre-meal of whey proteins induces differential effects on glucose and lipid metabolism in subjects with the metabolic syndrome: a randomised cross-over trial. Eur J Nutr 2018; 58:755-764. [PMID: 29626232 DOI: 10.1007/s00394-018-1684-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Accepted: 04/03/2018] [Indexed: 01/11/2023]
Abstract
PURPOSE Postprandial lipaemia (PPL), an independent risk factor for cardiovascular disease, is affected by composition and timing of meals. We evaluated if whey proteins (WP) consumed as a pre-meal before a fat-rich meal reduce postprandial triglyceride (TG) and apolipoprotein B-48 (ApoB-48) responses in subjects with the metabolic syndrome (MeS). METHODS An acute, randomised, cross-over trial was conducted. 20 subjects with MeS consumed a pre-meal of 0, 10 or 20 g WP 15 min prior to a fat-rich meal. The responses of TG and ApoB-48 were assessed. We also analysed postprandial responses of free fatty acids (FFA), glucose, insulin, glucagon, glucagon-like peptide 1 (GLP-1), glucose-dependent insulinotropic peptide (GIP) and paracetamol (reflecting gastric emptying rates). RESULTS WP pre-meal did not alter the TG or ApoB-48 responses. In contrast, the insulin response was more pronounced after a pre-meal of 20 g WP than with 10 g WP (P = 0.0005) and placebo (P < 0.0001). Likewise, the postprandial glucagon response was greater with a pre-meal of 20 g WP than with 10 g WP (P < 0.0001) and 0 g WP (P < 0.0001). A pre-meal with 20 g of WP generated lower glucose (P = 0.0148) and S-paracetamol responses (P = 0.0003) and a higher GLP-1 response (P = 0.0086) than placebo. However, the pre-meal did not influence responses of GIP, FFA or appetite assessed by a Visual Analog Scale. CONCLUSIONS Consumption of a WP pre-meal prior to a fat-rich meal did not affect TG and chylomicron responses. In contrast, the WP pre-meal stimulates insulin and glucagon secretion and reduces blood glucose as expected, and delays gastric emptying. Consequently, our study points to a differential impact of a WP pre-meal on lipid and glucose metabolism to a fat-rich meal in subjects with MeS.
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Affiliation(s)
- Ann Bjørnshave
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Tage-Hansens Gade 2, 8000, Aarhus C, Denmark. .,Danish Diabetes Academy, Sdr. Boulevard 29, 5000, Odense C, Denmark.
| | - Jens Juul Holst
- NNF Centre for Basic Metabolic Research and The Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3, 2200, København N, Denmark
| | - Kjeld Hermansen
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Tage-Hansens Gade 2, 8000, Aarhus C, Denmark
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King DG, Walker M, Campbell MD, Breen L, Stevenson EJ, West DJ. A small dose of whey protein co-ingested with mixed-macronutrient breakfast and lunch meals improves postprandial glycemia and suppresses appetite in men with type 2 diabetes: a randomized controlled trial. Am J Clin Nutr 2018; 107:550-557. [PMID: 29635505 DOI: 10.1093/ajcn/nqy019] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 01/18/2018] [Indexed: 02/07/2023] Open
Abstract
Background Large doses of whey protein consumed as a preload before single high-glycemic load meals has been shown to improve postprandial glycemia in type 2 diabetes. It is unclear if this effect remains with smaller doses of whey co-ingested at consecutive mixed-macronutrient meals. Moreover, whether hydrolyzed whey offers further benefit under these conditions is unclear. Objective The aim of this study was to investigate postprandial glycemic and appetite responses after small doses of intact and hydrolyzed whey protein co-ingested with mixed-nutrient breakfast and lunch meals in men with type 2 diabetes. Design In a randomized, single-blind crossover design, 11 men with type 2 diabetes [mean ± SD age: 54.9 ± 2.3 y; glycated hemoglobin: 6.8% ± 0.3% (51.3 ± 3.4 mmol/mol)] attended the laboratory on 3 mornings and consumed 1) intact whey protein (15 g), 2) hydrolyzed whey protein (15 g), or 3) placebo (control) immediately before mixed-macronutrient breakfast and lunch meals, separated by 3 h. Blood samples were collected periodically and were processed for insulin, intact glucagon-like peptide 1 (GLP-1), gastric inhibitory polypeptide (GIP), leptin, peptide tyrosine tyrosine (PYY3-36), and amino acid concentrations. Interstitial glucose was measured during and for 24 h after each trial. Subjective appetite was assessed with the use of visual analog scales. Results Total postprandial glycemia area under the curve was reduced by 13% ± 3% after breakfast following the intact whey protein when compared with control (P < 0.05). Hydrolyzed whey attenuated early glucose after breakfast when compared with control (P < 0.05). Glycemia was improved postlunch after the intact whey protein only when compared with control (P < 0.05). Greater satiety was observed after the intact whey protein only after both meals when compared with control (P < 0.05). Insulin concentrations increased after both the intact and hydrolyzed whey protein, showing strong positive correlations with increases in valine and isoleucine (P < 0.05). Incretin and appetite regulatory hormone responses were similar across trials (P > 0.05). Conclusions The consumption of a small 15-g dose of intact whey protein immediately before consecutive mixed-macronutrient meals improves postprandial glycemia, stimulates insulin release, and increases satiety in men with type 2 diabetes. This trial was registered at www.clinicialtrials.gov as NCT02903199.
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Affiliation(s)
- David G King
- Health and Life Sciences, Northumbria University, Newcastle-Upon-Tyne, United Kingdom.,Surrey Human Performance Institute, Department of Nutritional Sciences, Faculty of Health and Medical Sciences, School of Biosciences and Medicine, University of Surrey, Guildford, Surrey, United Kingdom
| | - Mark Walker
- Institute of Cellular Medicine, Newcastle University, Newcastle-Upon-Tyne, United Kingdom
| | - Matthew D Campbell
- Institute for Sport, Physical Activity, and Leisure, Leeds Beckett University, Leeds, United Kingdom
| | - Leigh Breen
- Sport, Exercise, and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Emma J Stevenson
- Institute of Cellular Medicine, Newcastle University, Newcastle-Upon-Tyne, United Kingdom
| | - Daniel J West
- Institute of Cellular Medicine, Newcastle University, Newcastle-Upon-Tyne, United Kingdom
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Fekete ÁA, Giromini C, Chatzidiakou Y, Givens DI, Lovegrove JA. Whey protein lowers systolic blood pressure and Ca-caseinate reduces serum TAG after a high-fat meal in mildly hypertensive adults. Sci Rep 2018; 8:5026. [PMID: 29568003 PMCID: PMC5864936 DOI: 10.1038/s41598-018-23333-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Accepted: 03/09/2018] [Indexed: 11/16/2022] Open
Abstract
Epidemiological studies show an inverse association between dairy consumption and blood pressure (BP) but there are few data on the postprandial effects of milk proteins. This study examined their effects, compared to maltodextrin, on postprandial BP and other CVD risk markers in volunteers with mild and pre-hypertension over an 8 h period. In this double-blinded, randomised, cross-over, controlled study 27 adults ingested a high-fat, isoenergetic breakfast and lunch with 28 g whey protein, 28 g Ca-caseinate or 27 g maltodextrin. Whey protein reduced systolic BP compared with Ca-caseinate (−15.2 ± 13.6 mmHg) and maltodextrin (−23.4 ± 10.5 mmHg) up to 5 h post-ingestion. There was an improvement in arterial stiffness after whey protein compared with maltodextrin (incremental Area Under the Curve- iAUC0–8h: +14.4 ± 6.2%). Despite similar glucose levels after both whey protein and Ca-caseinate, whey protein induced a higher insulin response than Ca-caseinate (iAUC0–8h: +219.5 ± 54.6 pmol/L). Ca-caseinate induced less suppression of non-esterified fatty acids than whey protein (iAUC0–5h: −58.9 ± 135.5 μmol/L) and maltodextrin (iAUC0–5h: −106.9 ± 89.4 μmol/L) and induced a smaller postprandial triacylglycerol response than whey protein (iAUC0–8h: −1.68 ± 0.6 mmol/L). Milk proteins co-ingestion with high-fat meals may have the potential to maintain or improve CVD risk factors.
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Affiliation(s)
- Ágnes A Fekete
- Hugh Sinclair Unit of Human Nutrition, Department of Food and Nutritional Sciences and Institute for Cardiovascular and Metabolic Research (ICMR), School of Chemistry, Food and Pharmacy, University of Reading, Reading, RG6 6AP, United Kingdom.,Institute for Food, Nutrition and Health, University of Reading, Reading, RG6 6AP, United Kingdom
| | - Carlotta Giromini
- Department of Health, Animal Science and Food Safety, Università degli Studi di Milano, Via Trentacoste, 2, 20134, Milan, Italy
| | - Yianna Chatzidiakou
- Hugh Sinclair Unit of Human Nutrition, Department of Food and Nutritional Sciences and Institute for Cardiovascular and Metabolic Research (ICMR), School of Chemistry, Food and Pharmacy, University of Reading, Reading, RG6 6AP, United Kingdom
| | - D Ian Givens
- Institute for Food, Nutrition and Health, University of Reading, Reading, RG6 6AP, United Kingdom
| | - Julie A Lovegrove
- Hugh Sinclair Unit of Human Nutrition, Department of Food and Nutritional Sciences and Institute for Cardiovascular and Metabolic Research (ICMR), School of Chemistry, Food and Pharmacy, University of Reading, Reading, RG6 6AP, United Kingdom. .,Institute for Food, Nutrition and Health, University of Reading, Reading, RG6 6AP, United Kingdom.
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Pre-Meal Effect of Whey Proteins on Metabolic Parameters in Subjects with and without Type 2 Diabetes: A Randomized, Crossover Trial. Nutrients 2018; 10:nu10020122. [PMID: 29370144 PMCID: PMC5852698 DOI: 10.3390/nu10020122] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2017] [Revised: 01/18/2018] [Accepted: 01/22/2018] [Indexed: 12/20/2022] Open
Abstract
Diabetic dyslipidemia with elevated postprandial triglyceride (TG) responses is characteristic in type 2 diabetes (T2D). Diet and meal timing can modify postprandial lipemia (PPL). The impact of a pre-meal of whey proteins (WP) on lipid metabolism is unidentified. We determined whether a WP pre-meal prior to a fat-rich meal influences TG and apolipoprotein B-48 (ApoB-48) responses differentially in patients with and without T2D. Two matched groups of 12 subjects with and without T2D accomplished an acute, randomized, cross-over trial. A pre-meal of WP (20 g) or water (control) was consumed 15 min before a fat-rich meal (supplemented with 20 g WP in case of water pre-meal). Postprandial responses were examined during a 360-min period. A WP pre-meal significantly increased postprandial concentrations of insulin (P < 0.0001), glucagon (P < 0.0001) and glucose-dependent insulinotropic peptide (GIP) (P < 0.0001) in subjects with and without T2D. We detected no effects of the WP pre-meal on TG, ApoB-48, or non-esterified fatty acids (NEFA) responses to the fat-rich meal in either group. Paracetamol absorption i.e. gastric emptying was delayed by the WP pre-meal (P = 0.039). In conclusion, the WP pre-meal induced similar hormone and lipid responses in subjects with and without T2D. Thus, the WP pre-meal enhanced insulin, glucagon and GIP responses but did not influence lipid or glucose responses. In addition, we demonstrated that a WP pre-meal reduced gastric emptying in both groups.
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Abstract
Metabolic Syndrome (MetS), affecting at least 30% of adults in the Western World, is characterized by three out of five variables, from high triglycerides, to elevated waist circumference and blood pressure. MetS is not characterized by elevated cholesterolemia, but is rather the consequence of a complex interaction of factors generally leading to increased insulin resistance. Drug treatments are of difficult handling, whereas well-characterized nutraceuticals may offer an effective alternative. Among these, functional foods, e.g. plant proteins, have been shown to improve insulin resistance and reduce triglyceride secretion. Pro- and pre-biotics, that are able to modify intestinal microbiome, reduce absorption of specific nutrients and improve the metabolic handling of energy-rich foods. Finally, specific nutraceuticals have proven to be of benefit, in particular, red-yeast rice, berberine, curcumin as well as vitamin D. All these can improve lipid handling by the liver as well as ameliorate insulin resistance. While lifestyle approaches, such as with the Mediterranean diet, may prove to be too complex for the single patient, better knowledge of selected nutraceuticals and more appropriate formulations leading to improved bioavailability will certainly widen the use of these agents, already in large use for the management of these very frequent patient groups. Key messages Functional foods, e.g. plant proteins, improve insulin resistance. Pro- and pre-biotics improve the metabolic handling of energy-rich foods. Nutraceutical can offer a significant help in handling MetS patients being part of lifestyle recommendations.
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Affiliation(s)
- Cesare R Sirtori
- a Centro Dislipidemie , A.S.S.T. Grande Ospedale Metropolitano Niguarda , Milan , Italy
| | - Chiara Pavanello
- b Dipartimento di Scienze Farmacologiche e Biomolecolari, Centro E. Grossi Paoletti , Università degli Studi di Milano , Milan , Italy
| | - Laura Calabresi
- b Dipartimento di Scienze Farmacologiche e Biomolecolari, Centro E. Grossi Paoletti , Università degli Studi di Milano , Milan , Italy
| | - Massimiliano Ruscica
- c Dipartimento di Scienze Farmacologiche e Biomolecolari , Università degli Studi di Milano , Milan , Italy
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Ørgaard A, Holst JJ. The role of somatostatin in GLP-1-induced inhibition of glucagon secretion in mice. Diabetologia 2017; 60:1731-1739. [PMID: 28551699 PMCID: PMC5552842 DOI: 10.1007/s00125-017-4315-2] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Accepted: 04/10/2017] [Indexed: 01/11/2023]
Abstract
AIMS/HYPOTHESIS Glucagon-like peptide-1 (GLP-1) receptor agonists are currently used for the treatment of type 2 diabetes. Their main mechanism of action is enhancement of glucose-induced insulin secretion (from increased beta cell glucose sensitivity) and inhibition of glucagon secretion. The latter has been demonstrated to account for about half of their blood glucose-lowering activity. Whereas the effect of GLP-1 on insulin secretion is clearly dependent on ambient glucose concentrations and has been described in detail, the mechanism responsible for the inhibitory effect of GLP-1 on glucagon secretion is heavily debated. Glucagon inhibition is also said to be glucose-dependent, although it is unclear what is meant by this. We hypothesise here that GLP-1 does not inhibit glucagon secretion during hypoglycaemia because the inhibition depends on somatostatin secretion, which in turn is dependent on glucose levels. METHODS We used the perfused mouse pancreas model to investigate this hypothesis. RESULTS We found that, in this model, GLP-1 was able to significantly inhibit glucagon secretion from pancreatic alpha cells at all glucose levels tested: 6.0, 1.5 and 0.5 mmol/l (-27.0%, -37.1%, and -23.6%, respectively), and the decrease in glucagon secretion was invariably accompanied by an increase in somatostatin secretion (+286.8%, +158.7%, and +118.8%, respectively). Specific blockade of somatostatin receptor 2 increased glucagon secretion (+118.8% at 1.5 mmol/l glucose and +162.9% at 6.0 mmol/l glucose) and completely eliminated the inhibitory effect of GLP-1. CONCLUSIONS/INTERPRETATION We have shown here that the glucagon-lowering effect of GLP-1 is entirely mediated through the paracrine actions of somatostatin in the perfused mouse pancreas. However, in this model, the inhibitory effect of GLP-1 was preserved at hypoglycaemic levels, leaving unanswered the question of how this is avoided in vivo in individuals treated with GLP-1 receptor agonists.
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Affiliation(s)
- Anne Ørgaard
- Novo Nordisk Foundation Center for Basic Metabolic Research, Translational Metabolic Physiology, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
- University of Copenhagen, Department of Biomedical Sciences, Faculty of Health Sciences, Blegdamsvej 3B, Bldg 12.2, 2200, Copenhagen N, Denmark
| | - Jens J Holst
- Novo Nordisk Foundation Center for Basic Metabolic Research, Translational Metabolic Physiology, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark.
- University of Copenhagen, Department of Biomedical Sciences, Faculty of Health Sciences, Blegdamsvej 3B, Bldg 12.2, 2200, Copenhagen N, Denmark.
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Zapata RC, Singh A, Pezeshki A, Nibber T, Chelikani PK. Whey Protein Components - Lactalbumin and Lactoferrin - Improve Energy Balance and Metabolism. Sci Rep 2017; 7:9917. [PMID: 28855697 PMCID: PMC5577213 DOI: 10.1038/s41598-017-09781-2] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 07/28/2017] [Indexed: 02/07/2023] Open
Abstract
Whey protein promotes weight loss and improves diabetic control, however, less is known of its bioactive components that produce such benefits. We compared the effects of normal protein (control) diet with high protein diets containing whey, or its fractions lactalbumin and lactoferrin, on energy balance and metabolism. Diet-induced obese rats were randomized to isocaloric diets: Control, Whey, Lactalbumin, Lactoferrin, or pair-fed to lactoferrin. Whey and lactalbumin produced transient hypophagia, whereas lactoferrin caused prolonged hypophagia; the hypophagia was likely due to decreased preference. Lactalbumin decreased weight and fat gain. Notably, lactoferrin produced sustained weight and fat loss, and attenuated the reduction in energy expenditure associated with calorie restriction. Lactalbumin and lactoferrin decreased plasma leptin and insulin, and lactalbumin increased peptide YY. Whey, lactalbumin and lactoferrin improved glucose clearance partly through differential upregulation of glucoregulatory transcripts in the liver and skeletal muscle. Interestingly, lactalbumin and lactoferrin decreased hepatic lipidosis partly through downregulation of lipogenic and/or upregulation of β-oxidation transcripts, and differentially modulated cecal bacterial populations. Our findings demonstrate that protein quantity and quality are important for improving energy balance. Dietary lactalbumin and lactoferrin improved energy balance and metabolism, and decreased adiposity, with the effects of lactoferrin being partly independent of caloric intake.
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Affiliation(s)
- Rizaldy C Zapata
- Department of Production Animal Health, Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta, T2N 4N1, Canada
| | - Arashdeep Singh
- Department of Production Animal Health, Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta, T2N 4N1, Canada
| | - Adel Pezeshki
- Department of Animal Science, Oklahoma State University, Stillwater, Oklahoma, 74078, USA
| | - Traj Nibber
- Advanced Orthomolecular Research, 3900 12 St NE, Calgary, Alberta, T2E 6X8, Canada
| | - Prasanth K Chelikani
- Department of Production Animal Health, Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta, T2N 4N1, Canada. .,Gastrointestinal Research Group, Snyder Institute for Chronic Diseases, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta, T2N 4N1, Canada.
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Naqvi S, Naveed S, Ali Z, Ahmad SM, Asadullah Khan R, Raj H, Shariff S, Rupareliya C, Zahra F, Khan S. Correlation between Glycated Hemoglobin and Triglyceride Level in Type 2 Diabetes Mellitus. Cureus 2017; 9:e1347. [PMID: 28713663 PMCID: PMC5509244 DOI: 10.7759/cureus.1347] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Context Dyslipidemia is quite prevalent in non-insulin dependent diabetes mellitus. Maintaining tight glycemic along with lipid control plays an essential role in preventing micro- and macro-vascular complications associated with diabetes. Purpose The main purpose of the study was to highlight the relationship between glycosylated hemoglobin (HbA1c) and triglyceride levels. This may in turn help in predicting the triglyceride status of type 2 diabetics and therefore identifying patients at increased risk from cardiovascular events. Hypertriglyceridemia is one of the common risk factors for coronary artery disease in type 2 diabetes mellitus (DM). Careful monitoring of the blood glucose level can be used to predict lipid status and can prevent most of the complications associated with the disease. Method This is a cross-sectional study using data collected from the outpatient diabetic clinic of Jinnah Postgraduate Medical Centre (JPMC) Karachi, Pakistan. Patients of age 18 years and above were recruited from the clinic. A total of consenting 509 patients of type 2 diabetes mellitus were enrolled over a period of 11 months. For statistical analysis, SPSS Statistics for Windows, Version 17.0 ( IBM Corp, Armonk, New York) was used and Chi-square and Pearson’s correlation coefficient was used to find the association between triglyceride and HbA1c. The HbA1c was dichotomized into four groups on the basis of cut-off. Chi-square was used for association between HbA1c with various cut-off values and high triglyceride levels. Odds-ratio and its 95% confidence interval were calculated to estimate the level of risk between high triglyceride levels and HbA1c groups. The p-value < 0.05 was considered statistically significant for all the tests applied for significance. Result The association of high triglyceride was evaluated in four different groups of HbA1c, with a cut-off seven, eight, nine and 10 respectively. With HbA1c cut-off value of 7%, 74% patients had high triglycerides and showed a significant association with high triglyceride levels at p < 0.001 and odds ratio was 2.038 (95% confidence interval: 1.397 – 2.972). Logistic regression models were adjusted for demographic factors (age, race, gender), lifestyle factors (smoking, body mass index, lifestyle) and health status factors (blood pressure, physician-rated health status). Conclusion After adjusting for relevant covariates, glycated hemoglobin was positively correlated with high triglyceride. Hence, HbA1c can be an indicator of triglyceride level and can be one of the predictors of cardiovascular risk factors in type 2 diabetes mellitus.
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Affiliation(s)
- Syeda Naqvi
- Jinnah Postgraduate Medical Centre, Jinnah Sindh Medical University (SMC)
| | - Shabnam Naveed
- Internal Medicine, Jinnah Sindh Medical University (SMC)
| | - Zeeshan Ali
- Jinnah Postgraduate Medical Centre, Jinnah Sindh Medical University (SMC)
| | | | | | - Honey Raj
- Jinnah Postgraduate Medical Centre, Baqai Medical College
| | | | | | | | - Saba Khan
- Internal Medicine, Jinnah Sindh Medical University (SMC)
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Effects of a whey protein supplementation on oxidative stress, body composition and glucose metabolism among overweight people affected by diabetes mellitus or impaired fasting glucose: A pilot study. J Nutr Biochem 2017; 50:95-102. [PMID: 29053995 DOI: 10.1016/j.jnutbio.2017.05.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2016] [Revised: 04/04/2017] [Accepted: 05/06/2017] [Indexed: 12/24/2022]
Abstract
Obesity and diabetes mellitus type 2 (DM2) are characterized by chronic inflammation and oxidative stress [Donath et al. 2013] and this leads to cardiovascular diseases [Hulsmans & Holvoet 2010]. Whey proteins (WP) have antioxidant [Chitapanarux et al. 2009], anti-inflammatory [Sugawara et al. 2012] and hypoglycemic activities [Mignone et al. 2015], while data on weight, body composition [Frestedt et al. 2008; Aldrich et al. 2011] and blood pressure are conflicting [Kawase et al. 2000; Lee et al. 2007]. WP have unpleasant taste and smell [Patel 2015], but a new WP isolate (ProLYOtin®) seems to be more palatable. 40 g/die of ProLYOtin® were supplemented to overweight people (n=31) with impaired fasting glucose/DM2 for 12 weeks. Markers of antioxidant status (total antioxidant status, glutathione peroxidase, glutathione reductase, uric acid), oxidative damage (thiobarbituric acid reactive substances, advanced oxidation protein products, 8-hydroxydeoxyguanosine), inflammation (interleukin-6, high sensitive reactive protein C) and glicemic status (fasting glucose, insulin, glycated hemoglobin), anthropometric data (weight, height, waist circumference), body composition (body cell mass, fat mass), blood pressure, hand grip strength and skin autofluorescence were measured before and at the end of supplementation. Isolate palatability was evaluated. An increase in glutathione peroxidase, a decrease in uric acid and no change in glutathione reductase, total antioxidant status, oxidative damage, inflammation and glucose markers were found. Significant improvements in anthropometric parameters and fat mass were detected. There wasn't any change in blood pressure, skin autofluorescence and physical performance. Two-thirds of subjects judged the supplement positively. ProLYOtin® seems suitable for treatment of OS and overweight.
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Edinburgh RM, Betts JA, Burns SF, Gonzalez JT. Concordant and divergent strategies to improve postprandial glucose and lipid metabolism. NUTR BULL 2017. [DOI: 10.1111/nbu.12259] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
| | | | - S. F. Burns
- Nanyang Technological University; Singapore Singapore
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Shah M, Jaffery M, Adams-Huet B, Franklin B, Oliver J, Mitchell J. Effect of meal composition on postprandial lipid concentrations and lipoprotein particle numbers: A randomized cross-over study. PLoS One 2017; 12:e0172732. [PMID: 28222178 PMCID: PMC5319704 DOI: 10.1371/journal.pone.0172732] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2016] [Accepted: 02/03/2017] [Indexed: 12/12/2022] Open
Abstract
Background It is unclear how high-protein (HP) and high-monounsaturated fat (HMF) meals affect postprandial blood lipids and lipoprotein particle numbers (LPN). Purpose To compare a HP versus a HMF meal on postprandial lipid and LPN responses. Methods Twenty-four participants (age: 36.3±15.0 years; body mass index: 23.6±2.0 kg/m2; 45.8% female) were fed a HP (31.9% energy from protein) and a HMF (35.2% fat and 20.7% monounsaturated fat) meal in a randomized cross-over trial design. Energy and carbohydrate content were the same across meals. Blood samples were drawn in the fasting state and 3 hour postprandial state, and assessed for lipids and LPN. Results Repeated measures analysis showed a significant (p<0.05) treatment by time interaction effect for triglycerides (TG), the primary variable, total high-density lipoprotein particles (T-HDLP) and T-HDLP minus large-buoyant high-density lipoprotein 2b (T-HDLP—LB-HDL2b). HP versus HMF condition led to significantly lower TG at 120 (geometric mean: 90.1 (95% confidence interval (CI): 76.4–106.3) vs. 146.5 (124.2–172.9) mg/dL) and 180 (101.4 (83.1–123.8) vs. 148.7 (121.9–181.4) mg/dL) min and higher T-HDLP at 120 (mean difference: 297.3 (95% CI: 48.6–545.9) nmol/L) and 180 (291.6 (15.8–567.5) nmol/L) min. The difference in T-HDLP by condition was due to the significantly higher small-dense HDLP (T-HDLP—LB-HDL2b) during HP versus HMF condition at 120 (mean difference: 452.6 (95% CI: 177.4–727.9) nmol/L) and 180 (496.8 (263.1–730.6) nmol/L) min. Area under the curve analysis showed that HP versus HMF condition led to significantly lower TG, non-HDLP, and very-low-density lipoprotein particles (VLDLP) responses but significantly less favorable responses in LB-HDL2b particles, T-HDLP—LB-HDL2b, and LB-HDL2b/T-HDLP ratio. Conclusion The HP meal led to lower TG, non-HDLP, and VLDLP but less favorable LB-HDL2b, small-dense HDLP, and LB-HDL2b/T-HDLP ratio responses versus a HMF meal. Further studies are needed to confirm these findings over multiple meals.
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Affiliation(s)
- Meena Shah
- Department of Kinesiology, Texas Christian University, Fort Worth, Texas, United States of America
- * E-mail:
| | - Manall Jaffery
- Department of Kinesiology, Texas Christian University, Fort Worth, Texas, United States of America
| | - Beverley Adams-Huet
- Department of Clinical Sciences, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas, United States of America
| | - Brian Franklin
- Department of Kinesiology, Texas Christian University, Fort Worth, Texas, United States of America
| | - Jonathan Oliver
- Department of Kinesiology, Texas Christian University, Fort Worth, Texas, United States of America
| | - Joel Mitchell
- Department of Kinesiology, Texas Christian University, Fort Worth, Texas, United States of America
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Abstract
Medical nutrition therapy (MNT) is a key component of diabetes management. The importance of balancing macronutrients, reducing carbohydrate load, lowering glycemic index, and implementing an overall healthy dietary pattern are emerging as better approaches for MNT in diabetes. Recent research points to improved glycemic control, reduction in body weight, and improvement in many cardiovascular risk factors when these approaches are provided by registered dietitians or health care providers. This review article discusses the current evidence about the role of sensible nutrition in diabetes management. Specific eating plans for weight reduction and for patients with type 1 diabetes are also discussed.
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Affiliation(s)
- Osama Hamdy
- Department of Endocrinology, Joslin Diabetes Center, Harvard Medical School, One Joslin Place, Boston, MA 02481, USA.
| | - Mohd-Yusof Barakatun-Nisak
- Joslin Diabetes Center, Harvard Medical School, Boston, MA 02215, USA; Department of Nutrition and Dietetics, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia
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Wolever TM, van Klinken BJW, Bordenave N, Kaczmarczyk M, Jenkins AL, Chu Y, Harkness L. Reformulating cereal bars: high resistant starch reduces in vitro digestibility but not in vivo glucose or insulin response; whey protein reduces glucose but disproportionately increases insulin. Am J Clin Nutr 2016; 104:995-1003. [PMID: 27581470 DOI: 10.3945/ajcn.116.132431] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Accepted: 07/22/2016] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Resistant starch (RS) and whey protein are thought to be effective nutrients for reducing glycemic responses. OBJECTIVE We aimed to determine the effect of varying the sucrose, RS, and whey protein content of cereal bars on glucose and insulin responses. DESIGN Twelve healthy subjects [mean ± SD age: 36 ± 12 y; mean ± SD body mass index (in kg/m2): 24.9 ± 2.7] consumed 40 g available-carbohydrate (avCHO) portions of 5 whole-grain cereal bars that contained varying amounts of RS and whey protein concentrate [WPC; 70% protein; RS:WPC, %wt:wt: 15:0 (Bar15/0); 15:0, low in sucrose (Bar15/0LS); 15:5 (Bar15/5); 10:5 (Bar10/5); and 10:10 (Bar10/10)] and 2 portion sizes of a control bar low in whole grains, protein, and RS [control 1 contained 40 g avCHO (Control1); control 2 contained total carbohydrate equal to Bar15/0LS (Control2)] on separate days by using a randomized crossover design. Glucose and insulin responses in vivo and carbohydrate digestibility in vitro were measured over 3 h. RESULTS Incremental area under the curve (iAUC) over 0-3 h for glucose (min × mmol/L) differed significantly between treatments (P < 0.001) [Bar15/0LS (mean ± SEM), 169 ± 14; Control2, 164 ± 20; Bar15/0, 144 ± 15; Control1, 140 ± 17; Bar10/5, 117 ± 12; Bar15/5, 116 ± 9; and Bar10/10, 100 ± 9; Tukey's least significant difference = 42, P < 0.05], but insulin iAUC did not differ significantly. Higher protein content was associated with a lower glucose iAUC (P = 0.028) and a higher insulin-to-glucose iAUC ratio (P = 0.002) All 5 RS-containing bars were digested in vitro ∼30% more slowly than the control bars (P < 0.05); however, in vivo responses were not related to digestibility in vitro. Glucose and insulin responses elicited by high-RS, whey protein-free bars were similar to those elicited from control bars. CONCLUSIONS The inclusion of RS in cereal bar formulations did not reduce glycemic responses despite slower starch digestion in vitro. Thus, caution is required when extrapolating in vitro starch digestibility to in vivo glycemic response. The inclusion of whey protein in cereal bar formulations to reduce glycemic response requires caution because this may be associated with a disproportionate increase in insulin as judged by an increased insulin-to-glucose iAUC ratio. This trial was registered at clinicaltrials.gov as NCT02537587.
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Affiliation(s)
| | | | | | - Melissa Kaczmarczyk
- Quaker Oats Center of Excellence, PepsiCo R&D Nutrition, Barrington, IL; and
| | | | - YiFang Chu
- Quaker Oats Center of Excellence, PepsiCo R&D Nutrition, Barrington, IL; and
| | - Laura Harkness
- Quaker Oats Center of Excellence, PepsiCo R&D Nutrition, Barrington, IL; and
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Can milk proteins be a useful tool in the management of cardiometabolic health? An updated review of human intervention trials. Proc Nutr Soc 2016; 75:328-41. [PMID: 27150497 DOI: 10.1017/s0029665116000264] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The prevalence of cardiometabolic diseases is a significant public health burden worldwide. Emerging evidence supports the inverse association between greater dairy consumption and reduced risk of cardiometabolic diseases. Dairy proteins may have an important role in the favourable impact of dairy on human health such as blood pressure (BP), blood lipid and glucose control. The purpose of this review is to update and critically evaluate the evidence on the impacts of casein and whey protein in relation to metabolic function. Evidence from short-term clinical studies assessing postprandial responses to milk protein ingestion suggests benefits on vascular function independent of BP, as well as improvement in glycaemic homeostasis. Long-term interventions have been less conclusive, with some showing benefits and others indicating a lack of improvement in vascular function. During chronic consumption BP appears to be lowered and both dyslipidaemia and hyperglacaemia seem to be controlled. Limited number of trials investigated the effects of dairy proteins on oxidative stress and inflammation. Although the underlying mechanisms of milk proteins on cardiometabolic homeostasis remains to be elucidated, the most likely mechanism is to improve insulin resistance. The incorporation of meals enriched with dairy protein in the habitual diet may result in the beneficial effects on cardiometabolic health. Nevertheless, future well-designed, controlled studies are needed to investigate the relative effects of both casein and whey protein on BP, vascular function, glucose homeostasis and inflammation.
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Zhang JW, Tong X, Wan Z, Wang Y, Qin LQ, Szeto IMY. Effect of whey protein on blood lipid profiles: a meta-analysis of randomized controlled trials. Eur J Clin Nutr 2016; 70:879-85. [PMID: 27026427 DOI: 10.1038/ejcn.2016.39] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Revised: 02/12/2016] [Accepted: 02/21/2016] [Indexed: 01/10/2023]
Abstract
Previous studies have suggested that whey supplementation may have beneficial effects on lipid profiles, although results were inconsistent. A literature search was performed in March 2015 for randomized controlled trials observing the effects of whey protein and its derivatives on circulating levels of triacylglycerol (TG), total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C) and high-density lipoprotein cholesterol (HDL-C). A meta-analysis was subsequently conducted. The meta-analysis results of 13 trials showed that whey supplementation significantly reduced the circulating TG level by 0.11 mmol/l (95% CI: -0.21, 0 mmol/l), whereas the whey protein had no effects on circulating TC (-0.11 mmol/l, 95% CI: -0.27, 0.05 mmol/l), LDL-C (-0.08 mmol/l, 95% CI: -0.23, 0.07 mmol/l) and HDL-C (0.01 mmol/l, 95% CI: -0.04, 0.05 mmol/l). Subgroup analysis showed that significant TG reduction disappeared in participants with low body mass index, low supplemental whey dose or under exercise training/energy restriction during the trial. No evidence of heterogeneity across studies and publication bias was observed. In conclusion, our findings demonstrated that the effects of whey protein supplementation were modest, with an overall lowering effect on TG but no effect on TC, LDL-C and HDL-C.
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Affiliation(s)
- J-W Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, Suzhou, China
| | - X Tong
- Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, Suzhou, China
| | - Z Wan
- Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, Suzhou, China
| | - Y Wang
- Yili Innovation Center, Inner Mongolia Yili Industrial Group Co., Ltd., Hohhot, China
| | - L-Q Qin
- Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, Suzhou, China.,Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Disease, Soochow University, Suzhou, China
| | - I M Y Szeto
- Yili Innovation Center, Inner Mongolia Yili Industrial Group Co., Ltd., Hohhot, China
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Allerton DM, Campbell MD, Gonzalez JT, Rumbold PLS, West DJ, Stevenson EJ. Co-Ingestion of Whey Protein with a Carbohydrate-Rich Breakfast Does Not Affect Glycemia, Insulinemia or Subjective Appetite Following a Subsequent Meal in Healthy Males. Nutrients 2016; 8:116. [PMID: 26927166 PMCID: PMC4808846 DOI: 10.3390/nu8030116] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Revised: 02/05/2016] [Accepted: 02/16/2016] [Indexed: 12/24/2022] Open
Abstract
We aimed to assess postprandial metabolic and appetite responses to a mixed-macronutrient lunch following prior addition of whey protein to a carbohydrate-rich breakfast. Ten healthy males (age: 24 ± 1 years; body mass index (BMI): 24.5 ± 0.7 kg/m2) completed three trials in a non-isocaloric, crossover design. A carbohydrate-rich breakfast (93 g carbohydrate; 1799 kJ) was consumed with (CHO + WP) or without (CHO) 20 g whey protein isolate (373 kJ), or breakfast was omitted (NB). At 180 min, participants consumed a mixed-macronutrient lunch meal. Venous blood was sampled at 15 min intervals following each meal and every 30 min thereafter, while subjective appetite sensations were collected every 30 min throughout. Post-breakfast insulinemia was greater after CHO + WP (time-averaged area under the curve (AUC0–180 min): 193.1 ± 26.3 pmol/L), compared to CHO (154.7 ± 18.5 pmol/L) and NB (46.1 ± 8.0 pmol/L; p < 0.05), with no difference in post-breakfast (0–180 min) glycemia (CHO + WP, 3.8 ± 0.2 mmol/L; CHO, 4.2 ± 0.2 mmol/L; NB, 4.2 ± 0.1 mmol/L; p = 0.247). There were no post-lunch (0–180 min) effects of condition on glycemia (p = 0.492), insulinemia (p = 0.338) or subjective appetite (p > 0.05). Adding whey protein to a carbohydrate-rich breakfast enhanced the acute postprandial insulin response, without influencing metabolic or appetite responses following a subsequent mixed-macronutrient meal.
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Affiliation(s)
- Dean M Allerton
- Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK.
| | - Matthew D Campbell
- Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK.
- School of Sport, Carnegie Faculty, Leeds Beckett University, Leeds LS6 3QT, UK.
| | - Javier T Gonzalez
- Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK.
- Department for Health, University of Bath, Bath BA2 7AY, UK.
| | - Penny L S Rumbold
- Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK.
| | - Daniel J West
- Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK.
- Institute of Cellular Medicine, Medical School, Newcastle University, Newcastle upon Tyne NE2 4HH, UK.
| | - Emma J Stevenson
- Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK.
- Institute of Cellular Medicine, Medical School, Newcastle University, Newcastle upon Tyne NE2 4HH, UK.
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