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Mensink M. Dietary protein, amino acids and type 2 diabetes mellitus: a short review. Front Nutr 2024; 11:1445981. [PMID: 39114126 PMCID: PMC11305142 DOI: 10.3389/fnut.2024.1445981] [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: 06/08/2024] [Accepted: 07/12/2024] [Indexed: 08/10/2024] Open
Abstract
Diabetes is a widespread metabolic disorder and results from insulin resistance and impaired insulin secretion. Modifiable factors like diet, physical activity, and body weight play crucial roles in diabetes prevention, with targeted interventions reducing diabetes risk by about 60%. High-protein consumption, above the recommended intake of 0.8 g/kg body weight per day, have often explored in relation to diabetes risk. However, the relationship between dietary protein and diabetes is multifaceted. Observational studies have linked high total and animal protein intake to an increased risk of type 2 diabetes, particularly in obese women. Elevated levels of branched-chain amino acids (BCAA), which can result from dietary intake, protein breakdown, as well as an impaired catabolism, are strong predictors of cardiometabolic risk and insulin resistance. With several mechanism linking BCAA to insulin resistance. On the other hand, intervention studies suggest that high-protein diets can support weight loss and improve cardiometabolic risk factors. However, the impact on insulin sensitivity and glucose homeostasis is not straightforward. Proteins and amino acids stimulate both insulin and glucagon secretion, influencing glucose levels, but chronic effects remain uncertain. This short narrative review aims to provide an update on the relationship between increased dietary protein intake, amino acids, insulin resistance and type 2 diabetes, and to describe protein recommendations for type 2 diabetes.
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Affiliation(s)
- Marco Mensink
- Division of Human Nutrition and Health, Chair Group Nutritional Biology, Wageningen University & Research, Wageningen, Netherlands
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2
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Baroni L, Bonetto C, Rizzo G, Galchenko A, Guidi G, Visaggi P, Savarino E, Zavoli M, de Bortoli N. Nutrient Composition of Four Dietary Patterns in Italy: Results from an Online Survey (the INVITA Study). Foods 2024; 13:2103. [PMID: 38998609 PMCID: PMC11240948 DOI: 10.3390/foods13132103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2024] [Revised: 06/27/2024] [Accepted: 06/27/2024] [Indexed: 07/14/2024] Open
Abstract
Though Italy is a native land of Mediterranean diet, its adherence in the Italian population is low, witnessed by the high rates of overweight in its inhabitants. Vegetarian dietary patterns (i.e., lacto-ovo-vegetarian and vegan) are increasing in western countries, and also in Italy, where 9.5% of the population self-declared as vegetarian in 2023. Though the vegetarian diet has been associated with beneficial health effects, speculation on its alleged nutrient inadequacy exists. For this reason, we assessed the nutrient composition of the diet of 470 participants enrolled in an online survey (the INVITA study), who completed a weighted food questionnaire on three different days. Participants were divided into four dietary groups obtained according to their self-declared dietary intakes: 116 Meat Eaters (MEs), 49 Fish Eaters (FEs), 116 Lacto-Ovo-Vegetarians (LOVs), and 189 VegaNs (VNs). The mean intake of most of the main nutrients was similar among all groups and within the normal range expected for the Italian population, supporting the adequacy of diets within our Italian sample, especially the LOV and VN diet. Since the Mediterranean diet is a plant-based diet, some of its components still persist in the current Italian diet, representing a staple also for people adopting a vegetarian diet.
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Affiliation(s)
- Luciana Baroni
- Scientific Society for Vegetarian Nutrition-SSNV, 30171 Venice, Italy
| | - Chiara Bonetto
- Section of Psychiatry, Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, Italy
| | | | - Alexey Galchenko
- Scientific Society for Vegetarian Nutrition-SSNV, 30171 Venice, Italy
- Earth Philosophical Society "Melodia Vitae", International, Toronto, CA, Canada
| | - Giada Guidi
- Division of Gastroenterology, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy
| | - Pierfrancesco Visaggi
- Division of Gastroenterology, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy
| | - Edoardo Savarino
- Division of Gastroenterology, Department of Surgery, Oncology and Gastroenterology, University of Padua, 35124 Padua, Italy
- Gastroenterology Unit, University Hospital of Padua, 35124 Padua, Italy
| | - Martina Zavoli
- Scientific Society for Vegetarian Nutrition-SSNV, 30171 Venice, Italy
| | - Nicola de Bortoli
- Division of Gastroenterology, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy
- NUTRAFOOD, Interdepartmental Center for Nutraceutical Research and Nutrition for Health, University of Pisa, 56126 Pisa, Italy
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3
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McKenna CF, Askow AT, Paulussen KJM, Salvador AF, Fang HY, Ulanov AV, Li Z, Paluska SA, Beals JW, Jäger R, Purpura M, Burd NA. Postabsorptive and postprandial myofibrillar protein synthesis rates at rest and after resistance exercise in women with postmenopause. J Appl Physiol (1985) 2024; 136:1388-1399. [PMID: 38385186 DOI: 10.1152/japplphysiol.00886.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/29/2024] [Accepted: 02/12/2024] [Indexed: 02/23/2024] Open
Abstract
Feeding and resistance exercise stimulate myofibrillar protein synthesis (MPS) rates in healthy adults. This anabolic characterization of "healthy adults" has been namely focused on males. Therefore, the purpose of this study was to examine the temporal responses of MPS and anabolic signaling to resistance exercise alone or combined with the ingestion of protein in postmenopausal females and compare postabsorptive rates with young females. Sixteen females [60 ± 7 yr; body mass index (BMI) = 26 ± 12 kg·m-2] completed an acute bout of unilateral resistance exercise before consuming either: a fortified whey protein supplement (WHEY) or water. Participants received primed continuous infusions of L-[ring-13C6]phenylalanine with bilateral muscle biopsies before and after treatment ingestion at 2 h and 4 h in nonexercised and exercised legs. Resistance exercise transiently increased MPS above baseline at 0-2 h in the water condition (P = 0.007). Feeding after resistance exercise resulted in a late phase (2-4 h) increase in MPS in the WHEY condition (P = 0.005). In both conditions, resistance exercise did not enhance the cumulative (0-4 h) MPS response. In the nonexercised leg, MPS did not differ at 0-2 h, 2-4 h, or 0-4 h of the measurement periods (all, P > 0.05). Likewise, there were no changes in the phosphorylation of p70S6K, AMPKα, or total and phosphorylated yes-associated protein on Ser127. Finally, postabsorptive MPS was lower in premenopausal versus postmenopausal females (P = 0.023). Our results demonstrate that resistance exercise-induced changes in MPS are temporally regulated, but do not result in greater cumulative (0-4 h) MPS in postmenopausal women.NEW & NOTEWORTHY An adequate quality and quantity of skeletal muscle is relevant to support physical performance and metabolic health. Muscle protein synthesis (MPS) is an established remodeling marker, which can be hypertrophic or nonhypertrophic. Importantly, protein ingestion and resistance exercise are two strategies that support healthy muscle by stimulating MPS. Our study shows postmenopause modulates baseline MPS that may diminish the MPS response to the fundamental anabolic stimuli of protein ingestion and resistance exercise in older females.
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Affiliation(s)
- Colleen F McKenna
- Division of Nutritional Sciences, University of Illinois Urbana-Champaign, Urbana, Illinois, United States
| | - Andrew T Askow
- Department of Kinesiology and Community Health, University of Illinois Urbana-Champaign, Urbana, Illinois, United States
| | - Kevin J M Paulussen
- Department of Kinesiology and Community Health, University of Illinois Urbana-Champaign, Urbana, Illinois, United States
| | - Amadeo F Salvador
- Department of Kinesiology and Community Health, University of Illinois Urbana-Champaign, Urbana, Illinois, United States
| | - Hsin-Yu Fang
- Department of Kinesiology and Community Health, University of Illinois Urbana-Champaign, Urbana, Illinois, United States
| | - Alexander V Ulanov
- Roy J. Carver Biotechnology Center, University of Illinois Urbana-Champaign, Urbana, Illinois, United States
| | - Zhong Li
- Roy J. Carver Biotechnology Center, University of Illinois Urbana-Champaign, Urbana, Illinois, United States
| | - Scott A Paluska
- Department of Kinesiology and Community Health, University of Illinois Urbana-Champaign, Urbana, Illinois, United States
| | - Joseph W Beals
- Division of Nutritional Sciences, University of Illinois Urbana-Champaign, Urbana, Illinois, United States
| | - Ralf Jäger
- Increnovo LLC, Milwaukee, Wisconsin, United States
| | | | - Nicholas A Burd
- Division of Nutritional Sciences, University of Illinois Urbana-Champaign, Urbana, Illinois, United States
- Department of Kinesiology and Community Health, University of Illinois Urbana-Champaign, Urbana, Illinois, United States
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Zhang J, Xu T, Huang Y, Li R, Wang K, Lin X, Jin L. Sex differences in the relationships between macronutrients and all-cause mortality in individuals with metabolically unhealthy overweight/obesity. Nutrition 2024; 122:112393. [PMID: 38460445 DOI: 10.1016/j.nut.2024.112393] [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: 11/16/2023] [Revised: 02/04/2024] [Accepted: 02/06/2024] [Indexed: 03/11/2024]
Abstract
This study investigates sex differences in the effects of macronutrient quantity, quality, and timing on mortality in metabolically unhealthy overweight/obesity (MUO) populations. The study included 18,345 participants, including 9204 men and 9141 women. The Cox proportional risk model and isocaloric substitution effects were used to examine the association of macronutrient intake and subtype with all-cause mortality in the MUO populations. After adjusting for the potential covariates, The risk of all-cause mortality was elevated in men in the highest 25% percentile of poor-quality carbohydrates compared with men in the lowest quartile (odds ratio [OR]: 2.04; 95% confidence interval [CI], 1.40-2.98). Compared with women in the lowest quartile, the risk of all-cause mortality for women in the highest 25% percentile for high-quality carbohydrates (OR: 0.74; 95% CI, 0.55-0.99) and unsaturated fatty acids (OR: 0.54; 95% CI, 0.32-0.93) were decreased. In women, replacing low-quality carbohydrates with high-quality carbohydrates on an isocaloric basis reduces the risk of all-cause mortality by approximately 9%. We find that different macronutrient consumption subtypes are associated with all-cause mortality in MUO populations, with differential effects between men and women, and that the risk of all-cause mortality is influenced by macronutrient quality and meal timing.
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Affiliation(s)
- Jiaqi Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Tong Xu
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Yingxiang Huang
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Runhong Li
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Kaiyuan Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Xinli Lin
- Department of Child and Adolescent Health, School of Public Health, Jilin University, Changchun, China
| | - Lina Jin
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China.
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5
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Ortega RM, Arribas-López N, Salas-González MD, Aparicio A, González-Rodríguez LG, Bermejo LM, Lozano-Estevan MDC, Cuadrado-Soto E, López-Sobaler AM, Loria-Kohen V. High-Protein Processed Foods: Impact on Diet, Nutritional Status, and Possible Effects on Health. Nutrients 2024; 16:1697. [PMID: 38892630 PMCID: PMC11174509 DOI: 10.3390/nu16111697] [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: 05/06/2024] [Revised: 05/25/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
Proteins are macronutrients with multiple health benefits, but excessive consumption can negatively affect health. This study aimed to evaluate the characteristics of a sample of high-protein processed foods (HPPFs), describe how their consumption affects dietary balance, and acquire knowledge of the consumption patterns of these products in a Spanish population. A sample of HPPFs available in supermarkets and on websites was collected. The contribution to recommended protein intakes was calculated using national and international references and considering the single consumption of the HPPFs and the product plus 150 g of meat. Furthermore, an online survey was conducted among a convenience sample. A total of 36 enriched protein products were evaluated. The percentage of proteins in these products ranges from 10 to 88%. The contribution of the protein recommended intake was within a range of 87.4-306.6% and 66.4-232.8% (women and men, respectively), only considering the additional proteins from 150 g of meat. One hundred thirty-nine participants completed the survey; 67.6% affirmed that they had consumed HPPFs, and half consumed them without following any consumption control. Since these products are accessible to everyone in supermarkets and protein intake is generally higher than the recommended limits, regulating the mass sale of HPPFs is essential to ensure they do not lead to protein overconsumption.
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Affiliation(s)
- Rosa M. Ortega
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (R.M.O.); (N.A.-L.); (M.D.S.-G.); (A.A.); (L.G.G.-R.); (L.M.B.); (M.D.C.L.-E.); (E.C.-S.); (A.M.L.-S.)
- VALORNUT Research Group, Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain
- San Carlos Health Research Institute (IdISSC), 28040 Madrid, Spain
| | - Nerea Arribas-López
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (R.M.O.); (N.A.-L.); (M.D.S.-G.); (A.A.); (L.G.G.-R.); (L.M.B.); (M.D.C.L.-E.); (E.C.-S.); (A.M.L.-S.)
| | - María Dolores Salas-González
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (R.M.O.); (N.A.-L.); (M.D.S.-G.); (A.A.); (L.G.G.-R.); (L.M.B.); (M.D.C.L.-E.); (E.C.-S.); (A.M.L.-S.)
- VALORNUT Research Group, Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain
| | - Aránzazu Aparicio
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (R.M.O.); (N.A.-L.); (M.D.S.-G.); (A.A.); (L.G.G.-R.); (L.M.B.); (M.D.C.L.-E.); (E.C.-S.); (A.M.L.-S.)
- VALORNUT Research Group, Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain
- San Carlos Health Research Institute (IdISSC), 28040 Madrid, Spain
| | - Liliana Guadalupe González-Rodríguez
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (R.M.O.); (N.A.-L.); (M.D.S.-G.); (A.A.); (L.G.G.-R.); (L.M.B.); (M.D.C.L.-E.); (E.C.-S.); (A.M.L.-S.)
- VALORNUT Research Group, Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain
| | - Laura M. Bermejo
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (R.M.O.); (N.A.-L.); (M.D.S.-G.); (A.A.); (L.G.G.-R.); (L.M.B.); (M.D.C.L.-E.); (E.C.-S.); (A.M.L.-S.)
- VALORNUT Research Group, Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain
- San Carlos Health Research Institute (IdISSC), 28040 Madrid, Spain
| | - María Del Carmen Lozano-Estevan
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (R.M.O.); (N.A.-L.); (M.D.S.-G.); (A.A.); (L.G.G.-R.); (L.M.B.); (M.D.C.L.-E.); (E.C.-S.); (A.M.L.-S.)
- VALORNUT Research Group, Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain
| | - Esther Cuadrado-Soto
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (R.M.O.); (N.A.-L.); (M.D.S.-G.); (A.A.); (L.G.G.-R.); (L.M.B.); (M.D.C.L.-E.); (E.C.-S.); (A.M.L.-S.)
- VALORNUT Research Group, Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain
| | - Ana M. López-Sobaler
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (R.M.O.); (N.A.-L.); (M.D.S.-G.); (A.A.); (L.G.G.-R.); (L.M.B.); (M.D.C.L.-E.); (E.C.-S.); (A.M.L.-S.)
- VALORNUT Research Group, Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain
- San Carlos Health Research Institute (IdISSC), 28040 Madrid, Spain
| | - Viviana Loria-Kohen
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (R.M.O.); (N.A.-L.); (M.D.S.-G.); (A.A.); (L.G.G.-R.); (L.M.B.); (M.D.C.L.-E.); (E.C.-S.); (A.M.L.-S.)
- VALORNUT Research Group, Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain
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Zink JI, Zehnder-Wyss O, Dällenbach D, Nyström L, Windhab EJ. Enzymatic degradation of pea fibers changes pea protein concentrate functionality. Curr Res Food Sci 2024; 8:100744. [PMID: 38800639 PMCID: PMC11126764 DOI: 10.1016/j.crfs.2024.100744] [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: 12/22/2023] [Revised: 04/03/2024] [Accepted: 04/17/2024] [Indexed: 05/29/2024] Open
Abstract
Pea proteins are gaining increased interest from both the food industry as well as from consumers. Pea protein isolates (PPI) excel at forming meat-like textures upon heating while pea protein concentrates (PPC) are more challenging to transform into highly sought-after foods. PPCs are richer in dietary fibers (DF) and are more sustainable to produce than PPI. In this work, degradative enzymes were used to modify the functionality of PPC-water blends with a focus on texturization upon heating. Three enzyme solutions containing β-glucanases, hemicellulases, pectinases, xylanase, and cellulases were added to 65 wt% PPC blends. The effect of these enzymatic pretreatments was measured by monitoring the torque in a mixing reactor during blending, differential scanning calorimetry (DSC), high-pressure shear rheology (HPSR), and DF content and size analysis. Four endothermic peaks were detected in the DSC thermograms of PPC, namely at 63 °C, 77 °C, 105 °C and 123 °C. The first three peaks were attributed to phase transition and gelation temperatures of the starches and proteins constituting PPC. No endothermic peaks were measured for PPI blends. Enzyme solutions containing β-glucanases, hemicellulases, pectinases, and xylanases increased the endothermic energy of all peaks, hinting at an effect on the gelation properties of PPC. The same enzymes decreased the resistance to flow of PPC blends and induced a shift of the weight average molecular weight (Mw) distribution of soluble dietary fibers (SDF) towards smaller values while increasing the fraction of SDF by decreasing the insoluble dietary fiber (IDF) content. The solution containing cellulases did not change the DSC results or the viscosity of the PPC mixture, nor did it affect the IDF and SDF contents. On the other hand HPSR measurements of heated PPC samples up to 125 °C showed that all tested enzyme solutions decreased the complex viscosity of PPC-water blends to values similar to PPI-water blends. We demonstrated that degradative enzymes can enhance the functionality of less refined protein-rich ingredients based on pea and other vegetal sources. Using optimized enzyme blends for targeted applications can prove to be a key changer in the development and improvement of sustainable protein-rich foods.
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Affiliation(s)
- Joël I. Zink
- Laboratory of Food Process Engineering, Department of Health Science and Technology, ETH Zurich, Schmelzbergstrasse 9, Zurich, 8092, Switzerland
| | - Olivia Zehnder-Wyss
- Laboratory of Food Biochemistry, Department of Health Science and Technology, ETH Zurich, Schmelzbergstrasse 9, Zurich, 8092, Switzerland
| | - Dylan Dällenbach
- Laboratory of Food Process Engineering, Department of Health Science and Technology, ETH Zurich, Schmelzbergstrasse 9, Zurich, 8092, Switzerland
| | - Laura Nyström
- Laboratory of Food Biochemistry, Department of Health Science and Technology, ETH Zurich, Schmelzbergstrasse 9, Zurich, 8092, Switzerland
| | - Erich J. Windhab
- Laboratory of Food Process Engineering, Department of Health Science and Technology, ETH Zurich, Schmelzbergstrasse 9, Zurich, 8092, Switzerland
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Liu C, Lv X, Liu L, Li J, Du G, Chen J, Liu Y. Constructing an Antibiotic-Free Protein Expression System for Ovalbumin Biosynthesis in Probiotic Escherichia coli Nissle 1917. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:8693-8703. [PMID: 38574273 DOI: 10.1021/acs.jafc.4c00827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
Ovalbumin (OVA) is the principal protein constituent of eggs. As an alternative to eggs, cell-cultured OVA can reduce the environmental impact of global warming and land use. Escherichia coli Nissle 1917 (EcN), a probiotic with specific endogenous cryptic plasmids that stably exist in cells without the addition of antibiotics, was chosen as the host for the efficient heterologous expression of the OVA. OVA yield reached 20 mg·L-1 in shake flasks using the OVA expression cassette containing a tac promoter (Ptac) upstream of the OVA-coding sequences on the endogenous plasmid pMUT2. Subsequently, we improved the level of the expression of the OVA by employing a dual promoter (PP5 combined with Ptac via a sigma factor binding site 24) and ribosome binding site (RBS) substitution. These enhancements increased the level of production of OVA in shake flasks to 30 and 42 mg·L-1, respectively. OVA by EcNP-P28 harboring plasmid L28 equipped with both dual promoter and the strong RBS8 reached 3.70 g·L-1 in a 3 L bioreactor. Recombinant OVA and natural OVA showed similar biochemical characteristics, including secondary structure, isoelectric point, amino acid composition, and thermal stability. This is currently the highest OVA production reported among prokaryotes. We successfully constructed an antibiotic-free heterologous protein expression system for EcN.
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Affiliation(s)
- Cheng Liu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, China
- Science Center for Future Foods, Jiangnan University, Wuxi 214122, China
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
- Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
- Jiaxing Institute of Future Food, Jiaxing 314050, China
| | - Xueqin Lv
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, China
- Science Center for Future Foods, Jiangnan University, Wuxi 214122, China
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
- Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Long Liu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, China
- Science Center for Future Foods, Jiangnan University, Wuxi 214122, China
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
- Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Jianghua Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, China
- Science Center for Future Foods, Jiangnan University, Wuxi 214122, China
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
- Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Guocheng Du
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, China
- Science Center for Future Foods, Jiangnan University, Wuxi 214122, China
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
- Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Jian Chen
- Science Center for Future Foods, Jiangnan University, Wuxi 214122, China
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
- Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Yanfeng Liu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, China
- Science Center for Future Foods, Jiangnan University, Wuxi 214122, China
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
- Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
- Jiaxing Institute of Future Food, Jiaxing 314050, China
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8
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Skurk T, Bosy-Westphal A, Grünerbel A, Kabisch S, Keuthage W, Kronsbein P, Müssig K, Nussbaumer H, Pfeiffer AFH, Simon MC, Tombek A, Weber KS, Rubin D. Dietary Recommendations for Persons with Type 2 Diabetes Mellitus. Exp Clin Endocrinol Diabetes 2024; 132:182-215. [PMID: 38286422 DOI: 10.1055/a-2166-6772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2024]
Affiliation(s)
- Thomas Skurk
- ZIEL Institute for Food & Health, Technical University of Munich, Freising, Germany
| | - Anja Bosy-Westphal
- Institute of Human Nutrition, Faculty of Agriculture and Nutritional Sciences, Christian-Albrechts University of Kiel, Kiel, Germany
| | | | - Stefan Kabisch
- German Institute of Human Nutrition Potsdam-Rehbrücke, Potsdam, Germany
- German Center for Diabetes Research (DZD), Munich, Germany
| | - Winfried Keuthage
- Specialist Practice for Diabetes and Nutritional Medicine, Münster, Germany
| | - Peter Kronsbein
- Faculty of Nutrition and Food Sciences, Niederrhein University of Applied Sciences, Mönchengladbach Campus, Mönchengladbach, Germany
| | - Karsten Müssig
- Department of Internal Medicine, Gastroenterology and Diabetology, Niels Stensen Hospitals, Franziskus Hospital Harderberg, Georgsmarienhütte, Germany
| | | | - Andreas F H Pfeiffer
- Department of Endocrinology, Diabetes and Nutritional Medicine, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Marie-Christine Simon
- Institute of Nutrition and Food Sciences, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn, Germany
| | - Astrid Tombek
- Diabetes Centre Bad Mergentheim, Bad Mergentheim, Germany
| | - Katharina S Weber
- Institute for Epidemiology, Christian-Albrechts University of Kiel, Kiel, Germany
| | - Diana Rubin
- Vivantes Hospital Spandau, Berlin, Germany
- Vivantes Humboldt Hospital, Berlin, Germany
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9
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Zhuang K, Shu X, Meng W, Zhang D. Blended-protein changes body weight gain and intestinal tissue morphology in rats by regulating arachidonic acid metabolism and secondary bile acid biosynthesis induced by gut microbiota. Eur J Nutr 2024:10.1007/s00394-024-03359-1. [PMID: 38512357 DOI: 10.1007/s00394-024-03359-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 02/24/2024] [Indexed: 03/23/2024]
Abstract
PURPOSE The impact of dietary nutrients on body growth performance and the composition of gut microbes and metabolites is well-established. In this study, we aimed to determine whether dietary protein can regulate the physiological indexes and changes the intestinal tissue morphology in rats, and if dietary protein was a crucial regulatory factor for the composition, function, and metabolic pathways of the gut microbiota. METHOD A total of thirty male Sprague Dawley (SD) rats (inbred strain, weighted 110 ± 10 g) were randomly assigned to receive diets containing animal-based protein (whey protein, WP), plant-based protein (soybean protein, SP), or a blended protein (soybean-whey proteins, S-WP) for a duration of 8 weeks. To investigate the effects of various protein supplement sources on gut microbiota and metabolites, we performed a high throughput 16S rDNA sequencing association study and fecal metabolomics profiling on the SD rats. Additionally, we performed analyses of growth indexes, serum biochemical indexes, and intestinal morphology. RESULTS The rats in S-WP and WP group exhibited a significantly higher body weight and digestibility of dietary protein compared to the SP group (P < 0.05). The serum total protein content of rats in the WP and S-WP groups was significantly higher (P < 0.05) than that in SP group, and the SP group exhibited significantly lower (P < 0.05) serum blood glucose levels compared to the other two groups. The morphological data showed the rats in the S-WP group exhibited significantly longer villus height and shallower crypt depth (P < 0.05) than the SP group. The gut microbial diversity of the SP and S-WP groups exhibited a higher level than that of the WP group, and the microbiomes of the WP and S-WP groups are more similar compared to those of the SP group. The Arachidonic acid metabolism pathway is the most significant KEGG pathway when comparing the WP group and the SP group, as well as when comparing the SP group and the S-WP group. CONCLUSION The type of dietary proteins exerted a significant impact on the physiological indices of SD rats. Intake of S-WP diet can enhance energy provision, improve the body's digestion and absorption of nutrients, as well as promote intestinal tissue morphology. In addition, dietary protein plays a crucial role in modulating fecal metabolites by regulating the composition of the gut microbiota. Metabolomics analysis revealed that the changes in the levels of arachidonic acid metabolites and secondary bile acid metabolite induced by Clostridium_sensu_stricto_1 and [Eubacterium]_coprostanoligenes_group maybe the primarily causes of intestinal morphological differences.
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Affiliation(s)
- Kejin Zhuang
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, China
- National Coarse Cereals Engineering Research Center, Daqing, China
| | - Xin Shu
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Weihong Meng
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Dongjie Zhang
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, China.
- National Coarse Cereals Engineering Research Center, Daqing, China.
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10
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Chen X, Li P, Huang Y, Lv Y, Xu X, Nong H, Zhang L, Wu H, Yu C, Chen L, Liu D, Wei L, Zhang H. Joint associations among non-essential heavy metal mixtures and nutritional factors on glucose metabolism indexes in US adults: evidence from the NHANES 2011-2016. Food Funct 2024; 15:2706-2718. [PMID: 38376466 DOI: 10.1039/d3fo05439j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
Dietary intake can modify the impact of metals on human health, and is also closely related to glucose metabolism in human bodies. However, research on their interaction is limited. We used data based on 1738 adults aged ≥20 years from the National Health and Nutrition Examination Survey 2011-2016. We combined linear regression and restricted cubic splines with Bayesian kernel machine regression (BKMR) to identify metals associated with each glucose metabolism index (P < 0.05 and the posterior inclusion probabilities of BKMR >0.5) in eight non-essential heavy metals (barium, cadmium, antimony, tungsten, uranium, arsenic, lead, and thallium) and glucose metabolism indexes [fasting plasma glucose (FPG), blood hemoglobin A1c (HbA1c) and homeostatic model assessment of insulin resistance (HOMA-IR)]. We identified two pairs of metals associated with glucose metabolism indexes: cadmium and tungsten to HbA1c and barium and thallium to HOMA-IR. Then, the cross-validated kernel ensemble (CVEK) approach was applied to identify the specific nutrient group (nutrients) that interacted with the association. By using the CVEK model, we identified significant interactions between the energy-adjusted diet inflammatory index (E-DII) and cadmium, tungsten and barium (all P < 0.05); macro-nutrients and cadmium, tungsten and barium (all P < 0.05); minerals and cadmium, tungsten, barium and thallium (all P < 0.05); and A vitamins and thallium (P = 0.043). Furthermore, a lower E-DII, a lower intake of carbohydrates and phosphorus, and a higher consumption of magnesium seem to attenuate the positive association between metals and glucose metabolism indexes. Our finding identifying the nutrients that interact with non-essential heavy metals could provide a feasible nutritional guideline for the general population to protect against the adverse effects of non-essential heavy metals on glucose metabolism.
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Affiliation(s)
- Xiaolang Chen
- Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, Nanning 530021, China.
- Guangxi Colleges and Universities Key Laboratory of Prevention and Control of Highly Prevalent Diseases, Guangxi Medical University, Nanning 530021, China
| | - Peipei Li
- Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, Nanning 530021, China.
- Guangxi Colleges and Universities Key Laboratory of Prevention and Control of Highly Prevalent Diseases, Guangxi Medical University, Nanning 530021, China
| | - Yuanhao Huang
- Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, Nanning 530021, China.
- Guangxi Colleges and Universities Key Laboratory of Prevention and Control of Highly Prevalent Diseases, Guangxi Medical University, Nanning 530021, China
| | - Yingnan Lv
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning 530021, Guangxi, China
| | - Xia Xu
- Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, Nanning 530021, China.
- Guangxi Colleges and Universities Key Laboratory of Prevention and Control of Highly Prevalent Diseases, Guangxi Medical University, Nanning 530021, China
| | - Huiyun Nong
- Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, Nanning 530021, China.
- Guangxi Colleges and Universities Key Laboratory of Prevention and Control of Highly Prevalent Diseases, Guangxi Medical University, Nanning 530021, China
| | - Lulu Zhang
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning 530021, Guangxi, China
| | - Huabei Wu
- School of General Practice, Guangxi Medical University, Nanning 530021, China
| | - Chao Yu
- Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, Nanning 530021, China.
- Guangxi Colleges and Universities Key Laboratory of Prevention and Control of Highly Prevalent Diseases, Guangxi Medical University, Nanning 530021, China
| | - Lina Chen
- Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, Nanning 530021, China.
- Guangxi Colleges and Universities Key Laboratory of Prevention and Control of Highly Prevalent Diseases, Guangxi Medical University, Nanning 530021, China
| | - Di Liu
- Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, Nanning 530021, China.
- Guangxi Colleges and Universities Key Laboratory of Prevention and Control of Highly Prevalent Diseases, Guangxi Medical University, Nanning 530021, China
| | - Lancheng Wei
- Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, Nanning 530021, China.
- Guangxi Colleges and Universities Key Laboratory of Prevention and Control of Highly Prevalent Diseases, Guangxi Medical University, Nanning 530021, China
| | - Haiying Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, Nanning 530021, China.
- Guangxi Colleges and Universities Key Laboratory of Prevention and Control of Highly Prevalent Diseases, Guangxi Medical University, Nanning 530021, China
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning 530021, Guangxi, China
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11
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Alemany M. The Metabolic Syndrome, a Human Disease. Int J Mol Sci 2024; 25:2251. [PMID: 38396928 PMCID: PMC10888680 DOI: 10.3390/ijms25042251] [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: 12/01/2023] [Revised: 01/29/2024] [Accepted: 01/31/2024] [Indexed: 02/25/2024] Open
Abstract
This review focuses on the question of metabolic syndrome (MS) being a complex, but essentially monophyletic, galaxy of associated diseases/disorders, or just a syndrome of related but rather independent pathologies. The human nature of MS (its exceptionality in Nature and its close interdependence with human action and evolution) is presented and discussed. The text also describes the close interdependence of its components, with special emphasis on the description of their interrelations (including their syndromic development and recruitment), as well as their consequences upon energy handling and partition. The main theories on MS's origin and development are presented in relation to hepatic steatosis, type 2 diabetes, and obesity, but encompass most of the MS components described so far. The differential effects of sex and its biological consequences are considered under the light of human social needs and evolution, which are also directly related to MS epidemiology, severity, and relations with senescence. The triggering and maintenance factors of MS are discussed, with especial emphasis on inflammation, a complex process affecting different levels of organization and which is a critical element for MS development. Inflammation is also related to the operation of connective tissue (including the adipose organ) and the widely studied and acknowledged influence of diet. The role of diet composition, including the transcendence of the anaplerotic maintenance of the Krebs cycle from dietary amino acid supply (and its timing), is developed in the context of testosterone and β-estradiol control of the insulin-glycaemia hepatic core system of carbohydrate-triacylglycerol energy handling. The high probability of MS acting as a unique complex biological control system (essentially monophyletic) is presented, together with additional perspectives/considerations on the treatment of this 'very' human disease.
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Affiliation(s)
- Marià Alemany
- Faculty of Biology, Universitat de Barcelona, 08028 Barcelona, Catalonia, Spain
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12
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Zhang X, Kapoor D, Jeong SJ, Fappi A, Stitham J, Shabrish V, Sergin I, Yousif E, Rodriguez-Velez A, Yeh YS, Park A, Yurdagul A, Rom O, Epelman S, Schilling JD, Sardiello M, Diwan A, Cho J, Stitziel NO, Javaheri A, Lodhi IJ, Mittendorfer B, Razani B. Identification of a leucine-mediated threshold effect governing macrophage mTOR signalling and cardiovascular risk. Nat Metab 2024; 6:359-377. [PMID: 38409323 DOI: 10.1038/s42255-024-00984-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 01/09/2024] [Indexed: 02/28/2024]
Abstract
High protein intake is common in western societies and is often promoted as part of a healthy lifestyle; however, amino-acid-mediated mammalian target of rapamycin (mTOR) signalling in macrophages has been implicated in the pathogenesis of ischaemic cardiovascular disease. In a series of clinical studies on male and female participants ( NCT03946774 and NCT03994367 ) that involved graded amounts of protein ingestion together with detailed plasma amino acid analysis and human monocyte/macrophage experiments, we identify leucine as the key activator of mTOR signalling in macrophages. We describe a threshold effect of high protein intake and circulating leucine on monocytes/macrophages wherein only protein in excess of ∼25 g per meal induces mTOR activation and functional effects. By designing specific diets modified in protein and leucine content representative of the intake in the general population, we confirm this threshold effect in mouse models and find ingestion of protein in excess of ∼22% of dietary energy requirements drives atherosclerosis in male mice. These data demonstrate a mechanistic basis for the adverse impact of excessive dietary protein on cardiovascular risk.
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Affiliation(s)
- Xiangyu Zhang
- Department of Medicine and Vascular Medicine Institute, University of Pittsburgh School of Medicine and UPMC, Pittsburgh, PA, USA
- Pittsburgh VA Medical Center, Pittsburgh, PA, USA
| | - Divya Kapoor
- Cardiovascular Division, Washington University School of Medicine, St Louis, MO, USA
- John Cochran VA Medical Center, St Louis, MO, USA
| | - Se-Jin Jeong
- Cardiovascular Division, Washington University School of Medicine, St Louis, MO, USA
| | - Alan Fappi
- Division of Nutritional Science and Obesity Medicine, Washington University School of Medicine, St. Louis, MO, USA
- Departments of Medicine and Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, USA
| | - Jeremiah Stitham
- Division of Endocrinology, Metabolism and Lipid Research, Washington University School of Medicine, St Louis, MO, USA
| | - Vasavi Shabrish
- Division of Nutritional Science and Obesity Medicine, Washington University School of Medicine, St. Louis, MO, USA
- Departments of Medicine and Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, USA
| | - Ismail Sergin
- Cardiovascular Division, Washington University School of Medicine, St Louis, MO, USA
| | - Eman Yousif
- Cardiovascular Division, Washington University School of Medicine, St Louis, MO, USA
| | | | - Yu-Sheng Yeh
- Department of Medicine and Vascular Medicine Institute, University of Pittsburgh School of Medicine and UPMC, Pittsburgh, PA, USA
- Pittsburgh VA Medical Center, Pittsburgh, PA, USA
| | - Arick Park
- Cardiovascular Division, Washington University School of Medicine, St Louis, MO, USA
| | - Arif Yurdagul
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center, Shreveport, LA, USA
| | - Oren Rom
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center, Shreveport, LA, USA
| | - Slava Epelman
- Peter Munk Cardiac Center and University Health Network, University of Toronto, Toronto, Canada
| | - Joel D Schilling
- Cardiovascular Division, Washington University School of Medicine, St Louis, MO, USA
| | - Marco Sardiello
- Department of Pediatrics, Washington University School of Medicine, St Louis, MO, USA
| | - Abhinav Diwan
- Cardiovascular Division, Washington University School of Medicine, St Louis, MO, USA
- John Cochran VA Medical Center, St Louis, MO, USA
| | - Jaehyung Cho
- Division of Hematology, Department of Medicine, Washington University School of Medicine, St Louis, MO, USA
- Department of Pathology and Immunology, Washington University School of Medicine, St Louis, MO, USA
| | - Nathan O Stitziel
- Cardiovascular Division, Washington University School of Medicine, St Louis, MO, USA
| | - Ali Javaheri
- Cardiovascular Division, Washington University School of Medicine, St Louis, MO, USA
- John Cochran VA Medical Center, St Louis, MO, USA
| | - Irfan J Lodhi
- Division of Endocrinology, Metabolism and Lipid Research, Washington University School of Medicine, St Louis, MO, USA
| | - Bettina Mittendorfer
- Division of Nutritional Science and Obesity Medicine, Washington University School of Medicine, St. Louis, MO, USA.
- Departments of Medicine and Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, USA.
| | - Babak Razani
- Department of Medicine and Vascular Medicine Institute, University of Pittsburgh School of Medicine and UPMC, Pittsburgh, PA, USA.
- Pittsburgh VA Medical Center, Pittsburgh, PA, USA.
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13
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Na K, Park YJ. Protein Restriction in Metabolic Health: Lessons from Rodent Models. Nutrients 2024; 16:229. [PMID: 38257122 PMCID: PMC10819042 DOI: 10.3390/nu16020229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/05/2024] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
Consumption of protein-rich diets and supplements has been increasingly advocated by individuals seeking to optimize metabolic health and mitigate the effects of aging. Protein intake is postulated to support muscle mass retention and enhance longevity, underscoring its perceived benefits in age-related metabolic regulation. However, emerging evidence presents a paradox; while moderate protein consumption contributes to health maintenance, an excessive intake is associated with an elevated risk of chronic diseases, notably obesity and diabetes. Furthermore, recent studies suggest that reducing the ratio of protein intake to macronutrients improves metabolic parameters and extends lifespan. The aim of this study is to review the current evidence concerning the metabolic effects of protein-restricted diets and their potential mechanisms. Utilizing rodent models, investigations have revealed that protein-restricted diets exert a notable influence over food intake and energy consumption, ultimately leading to body weight loss, depending on the degree of dietary protein restriction. These phenotypic alterations are primarily mediated by the FGF21 signaling pathway, whose activation is likely regulated by ATF4 and the circadian clock. The evidence suggests that protein-restricted diets as an alternative approach to calorie-restricted regimes, particularly in overweight or obese adults. However, more research is needed to determine the optimal level of restriction, duration, and long-term effects of such interventions.
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Affiliation(s)
- Khuhee Na
- Department of Nutritional Science and Food Management, Ewha Womans University, Seoul 03760, Republic of Korea;
- Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Yoon Jung Park
- Department of Nutritional Science and Food Management, Ewha Womans University, Seoul 03760, Republic of Korea;
- Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul 03760, Republic of Korea
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14
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Huang J, Yu Y, Li H, Wei Y, Sun M. Effect of dietary protein intake on cognitive function in the elderly with chronic kidney disease: analysis of the National Health and Nutrition Examination Survey 2011-2014. Ren Fail 2023; 45:2294147. [PMID: 38097960 PMCID: PMC10732213 DOI: 10.1080/0886022x.2023.2294147] [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: 08/22/2023] [Accepted: 12/07/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND Cognitive dysfunction is prevalent among the elderly diagnosed with chronic kidney disease (CKD). Low protein diets are used for retarding the progression of CKD in clinical practice. Nonetheless, the impact of dietary protein consumption on cognitive function in this population remains uncertain. METHODS We recruited 2306 participants (≥60 years) from 2011 to 2014 National Health and Nutrition Examination Survey (NHANES). 24-h dietary recall questionnaire was utilized to evaluate protein intake. Cognitive function was measured using the Consortium to Establish a Registry for Alzheimer's Disease (CERAD), Animal Fluency Test (AFT), and Digit Symbol Substitution Test (DSST). Participants' characteristics were analyzed, and the interaction between protein consumption and CKD on cognitive impairment were analyzed using a logistic regression model. RESULTS We divided participants into three groups based on CKD stages: no CKD, CKD stage G1 to G2 (19%), and CKD stage G3 to G5 (18%). The average protein intake was 0.97 g/(kg·d). In the higher protein intake group, CKD stages G1 to G2 elevated the risk of immediate memory impairment (OR: 2.441, 95% Cl: 1.161-5.132 for protein consumption in 1.0-1.2g/(kg·d); OR: 2.225, 95% Cl: 1.015-4.876 for protein consumption in >1.2 g/(kg·d)). However, no similar resuts were observed in the lower protein intake group. In addition, the interaction between CKD status and protein intake on immediate memory was statistically significant (p = .041). CONCLUSION A higher probability of cognitive impairment in the elderly with early-stage CKD may be linked to higher protein intake. Low protein diets may be a potential strategy to release cognitive impairment in the elderly with early-stage CKD.
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Affiliation(s)
- Jingda Huang
- Department of Nephrology, First Hospital of Jilin University, Changchun, China
| | - Yang Yu
- The Fourth Clinical Medical College, Hebei Medical University, Shijiazhuang, China
| | - Huimin Li
- Department of Nephrology, First Hospital of Jilin University, Changchun, China
| | - Yihui Wei
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Mindan Sun
- Department of Nephrology, First Hospital of Jilin University, Changchun, China
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15
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Petersen T, Hirsch S. Comparing meat and meat alternatives: an analysis of nutrient quality in five European countries. Public Health Nutr 2023; 26:3349-3358. [PMID: 37800339 PMCID: PMC10755401 DOI: 10.1017/s1368980023001945] [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: 10/19/2022] [Revised: 08/02/2023] [Accepted: 09/05/2023] [Indexed: 10/07/2023]
Abstract
OBJECTIVE To assess and compare the (macro-)nutritional composition of red meat (RM) and poultry meat (PM) products with the emerging category of meat substitutes. DESIGN We use information on nutritional values per 100 g to estimate the differences in the nutritional composition between RM, PM, vegan meat substitute (VMS) and non-vegan meat substitute (NVMS) and derive six unique meat product clusters to enhance the comparability. SETTING Meat markets from five major European countries: France, Germany, UK, Italy and Spain. PARTICIPANTS/DATA Product innovation data for 19 941 products from Mintel's Global New Product Database from 2010 to 2020. RESULTS Most of the innovations in the sample are RM products (55 %), followed by poultry (30 %), VMS (11 %) and NVMS (5 %). RM products exhibit a significantly higher energy content in kcal/100 g as well as fat, saturated fat, protein and salt all in g/100 g than the meatless alternatives, while the latter contain significantly more carbohydrates and fibre than either poultry or RM. However, results differ to a certain degree when products are grouped into more homogeneous clusters like sausages, cold cuts and burgers. This indicates that general conclusions regarding the health effects of substituting meat with plant-based alternatives should only be drawn in relation to comparable products. CONCLUSIONS Meat substitutes, both vegan and non-vegan, are rated as ultra-processed foods. However, compared with RM products, they and also poultry products both can provide a diet that contains fewer nutrients-to-limit, like salt and saturated fats.
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Affiliation(s)
- Thies Petersen
- Department of Management in Agribusiness (410C), Institute of Farm Management, University of Hohenheim, Stuttgart, Germany
- Professorship Agricultural and Food Economics, TUM School of Management, Technical University of Munich, Munich, Germany
| | - Stefan Hirsch
- Department of Management in Agribusiness (410C), Institute of Farm Management, University of Hohenheim, Stuttgart, Germany
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16
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Jiang W, Zhao Y, Wu X, Du Y, Zhou W. Health inequalities of global protein-energy malnutrition from 1990 to 2019 and forecast prevalence for 2044: data from the Global Burden of Disease Study 2019. Public Health 2023; 225:102-109. [PMID: 37924634 DOI: 10.1016/j.puhe.2023.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 09/12/2023] [Accepted: 10/02/2023] [Indexed: 11/06/2023]
Abstract
OBJECTIVES Protein-energy malnutrition poses a serious medical problem worldwide. This study aims to describe the global burden, trends, and health inequalities of protein-energy malnutrition and forecasts for future prevalence. STUDY DESIGN This was a comprehensive analysis based on data provided by the Global Burden of Disease Study 2019. METHODS Data were obtained from the Global Health Data Exchange query tool, including prevalence, deaths, disability-adjusted life years (DALYs) and sociodemographic index (SDI). The estimated annual percentage changes were calculated to evaluate temporal trends. We quantified cross-country inequalities in protein-energy malnutrition burden and predicted the prevalence number and rate to 2044. RESULTS Globally, there were 147,672,757 (130,405,923 to 167,471,359) cases of protein-energy malnutrition in 2019, with 212,242 (185,403 to 246,217) deaths. Eastern Sub-Saharan Africa had the highest age-standardised death and DALY rates in 2019. From 1990 to 2019, the global age-standardised prevalence rate of protein-energy malnutrition showed an upward trend, while the age-standardised death rate showed a downward trend. A significant decline occurred in SDI-related health inequality, from 2126.1 DALYs per 100,000 persons between the poorest and richest countries in 1990 to 357.9 DALYs per 100,000 persons in 2019. There was a trend of decreasing age-standardised death and DALY rates along with increases in the SDI. Frontier analyses showed that there is much room for improving the current situation of protein-energy malnutrition in some countries. In the next 35 years, the prevalence of protein-energy malnutrition will continue to increase. CONCLUSION Although the disease burden of protein-energy malnutrition has greatly decreased since 1990 and health inequalities between countries are shrinking, the prevalence in Asian and African countries may continue to increase. Focussing on regional differences and strengthening the nutritional intake of people in underdeveloped areas are necessary to reduce future burdens.
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Affiliation(s)
- W Jiang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Y Zhao
- The First Clinical Medical College, Lanzhou University, Lanzhou, China
| | - X Wu
- The First Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Y Du
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - W Zhou
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China.
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17
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Trautman ME, Braucher LN, Elliehausen C, Zhu WG, Zelenovskiy E, Green M, Sonsalla MM, Yeh CY, Hornberger TA, Konopka AR, Lamming DW. Resistance exercise protects mice from protein-induced fat accretion. eLife 2023; 12:RP91007. [PMID: 38019262 PMCID: PMC10686620 DOI: 10.7554/elife.91007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023] Open
Abstract
Low-protein (LP) diets extend the lifespan of diverse species and are associated with improved metabolic health in both rodents and humans. Paradoxically, many athletes and bodybuilders consume high-protein (HP) diets and protein supplements, yet are both fit and metabolically healthy. Here, we examine this paradox using weight pulling, a validated progressive resistance exercise training regimen, in mice fed either an LP diet or an isocaloric HP diet. We find that despite having lower food consumption than the LP group, HP-fed mice gain significantly more fat mass than LP-fed mice when not exercising, while weight pulling protected HP-fed mice from this excess fat accretion. The HP diet augmented exercise-induced hypertrophy of the forearm flexor complex, and weight pulling ability increased more rapidly in the exercised HP-fed mice. Surprisingly, exercise did not protect from HP-induced changes in glycemic control. Our results confirm that HP diets can augment muscle hypertrophy and accelerate strength gain induced by resistance exercise without negative effects on fat mass, and also demonstrate that LP diets may be advantageous in the sedentary. Our results highlight the need to consider both dietary composition and activity, not simply calories, when taking a precision nutrition approach to health.
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Affiliation(s)
- Michaela E Trautman
- Department of Medicine, University of Wisconsin-MadisonMadisonUnited States
- William S. Middleton Memorial Veterans HospitalMadisonUnited States
- Nutrition and Metabolism Graduate Program, University of Wisconsin- MadisonMadisonUnited States
| | - Leah N Braucher
- Department of Medicine, University of Wisconsin-MadisonMadisonUnited States
- William S. Middleton Memorial Veterans HospitalMadisonUnited States
| | - Christian Elliehausen
- Department of Medicine, University of Wisconsin-MadisonMadisonUnited States
- William S. Middleton Memorial Veterans HospitalMadisonUnited States
- Cellular and Molecular Biology Graduate Program, University of Wisconsin-MadisonMadisonUnited States
| | - Wenyuan G Zhu
- Department of Medicine, University of Wisconsin-MadisonMadisonUnited States
- William S. Middleton Memorial Veterans HospitalMadisonUnited States
- Comparative Biomedical Sciences Graduate Program, University of Wisconsin-MadisonMadisonUnited States
| | - Esther Zelenovskiy
- Department of Medicine, University of Wisconsin-MadisonMadisonUnited States
- William S. Middleton Memorial Veterans HospitalMadisonUnited States
| | - Madelyn Green
- Department of Medicine, University of Wisconsin-MadisonMadisonUnited States
- William S. Middleton Memorial Veterans HospitalMadisonUnited States
| | - Michelle M Sonsalla
- Department of Medicine, University of Wisconsin-MadisonMadisonUnited States
- William S. Middleton Memorial Veterans HospitalMadisonUnited States
- Comparative Biomedical Sciences Graduate Program, University of Wisconsin-MadisonMadisonUnited States
| | - Chung-Yang Yeh
- Department of Medicine, University of Wisconsin-MadisonMadisonUnited States
- William S. Middleton Memorial Veterans HospitalMadisonUnited States
| | - Troy A Hornberger
- Comparative Biomedical Sciences Graduate Program, University of Wisconsin-MadisonMadisonUnited States
- School of Veterinary Medicine, University of Wisconsin-MadisonMadisonUnited States
| | - Adam R Konopka
- Department of Medicine, University of Wisconsin-MadisonMadisonUnited States
- William S. Middleton Memorial Veterans HospitalMadisonUnited States
- Cellular and Molecular Biology Graduate Program, University of Wisconsin-MadisonMadisonUnited States
| | - Dudley W Lamming
- Department of Medicine, University of Wisconsin-MadisonMadisonUnited States
- William S. Middleton Memorial Veterans HospitalMadisonUnited States
- Nutrition and Metabolism Graduate Program, University of Wisconsin- MadisonMadisonUnited States
- Cellular and Molecular Biology Graduate Program, University of Wisconsin-MadisonMadisonUnited States
- Comparative Biomedical Sciences Graduate Program, University of Wisconsin-MadisonMadisonUnited States
- University of Wisconsin Carbone Cancer CenterMadisonUnited States
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18
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Nhan J, Sgambat K, Moudgil A. Plant-based diets: a fad or the future of medical nutrition therapy for children with chronic kidney disease? Pediatr Nephrol 2023; 38:3597-3609. [PMID: 36786858 DOI: 10.1007/s00467-023-05875-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/22/2022] [Accepted: 12/27/2022] [Indexed: 02/15/2023]
Abstract
Plant-based diets are growing in popularity worldwide due to the importance of reducing the population's ecological footprint as well as an emerging role in the prevention and treatment of chronic human diseases. In adults, plant-based diets have been shown to be beneficial for preventing and controlling conditions that are common in patients with chronic kidney disease (CKD), such as obesity, hypertension, type 2 diabetes, dyslipidemia, and metabolic acidosis. Emerging evidence suggests that the higher fiber content of plant-based diets may help to modulate production of uremic toxins through beneficial shifts in the gut microbiome. The effects of the plant-based diet on progression of CKD remain controversial, and there are no data to support this in children. However, knowledge that the bioavailability of potassium and phosphorus from plant-based foods is reduced has led to recent changes in international kidney-friendly diet recommendations for children with CKD. The new guidelines advise that high potassium fruits and vegetables should no longer be automatically excluded from the kidney-friendly diet. In fact, a plant-based diet can be safely implemented in children with CKD through building the diet around whole, high fiber foods, avoiding processed foods and using recommended cooking methods to control potassium. The health benefits of the plant-based diet compared to omnivorous diets in children with CKD need investigation.
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Affiliation(s)
- Jennifer Nhan
- Department of Nephrology, Children's National Hospital, 111 Michigan Avenue NW, Washington, DC, 20010, USA
| | - Kristen Sgambat
- Department of Nephrology, Children's National Hospital, 111 Michigan Avenue NW, Washington, DC, 20010, USA.
| | - Asha Moudgil
- Department of Nephrology, Children's National Hospital, 111 Michigan Avenue NW, Washington, DC, 20010, USA
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19
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Gong K, Xie L, Cao Y, Yu X, Qiang W, Fan T, Zhu T, Liu J, Tao F, Zhu B. Joint Association of Dietary Protein Intake and Eating Habits with the Risk of Gestational Diabetes Mellitus: A Case-Control Study. Nutrients 2023; 15:4332. [PMID: 37892408 PMCID: PMC10610363 DOI: 10.3390/nu15204332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/04/2023] [Accepted: 10/06/2023] [Indexed: 10/29/2023] Open
Abstract
Because the associations between different dietary protein sources and the risks of gestational diabetes mellitus (GDM) are inconsistent, and those of eating habits with GDM have rarely been explored, we aimed to investigate the independent and joint association of major dietary protein sources and eating habits with GDM in a case-control study including 353 GDM cases and 718 controls in China. Dietary protein intake and eating habits prior to GDM diagnosis were collected through questionnaires at 24~28 gestational weeks. Multivariate logistic regression was used to evaluate the independent and joint associations of dietary protein intake and eating habits with GDM. The Anderson model was used assess if there is an additive interaction between them. Animal protein, red meat protein and dairy products protein intake were significantly and positively associated with GDM. Among the eating habits, preferences for hot food, firm food and soft food were significantly associated with higher odds of GDM. Individuals with unhealthy eating habits and high dietary protein simultaneously had the highest odds of GDM, and the ORs were 2.06 (1.25, 3.41) for the total protein, 2.97 (1.78, 4.96) for animal meat, 3.98 (2.41, 6.57) for the red meat protein and 2.82 (1.81, 4.41) for the dairy protein; the p values for the trend were all significant (p < 0.001). However, no additive interaction was detected. In conclusion, our study found that dietary protein intake and eating habits prior to GDM diagnosis were both independently and jointly associated with the odds of GDM.
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Affiliation(s)
- Kexin Gong
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; (K.G.); (Y.C.); (X.Y.); (W.Q.); (T.F.); (T.Z.); (J.L.); (F.T.)
- Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, Ministry of Education of the People’s Republic of China, No 81 Meishan Road, Hefei 230032, China
| | - Lanci Xie
- Ma’anshan Maternal and Child Health Care Hospital, Ma’anshan 243011, China;
| | - Yidan Cao
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; (K.G.); (Y.C.); (X.Y.); (W.Q.); (T.F.); (T.Z.); (J.L.); (F.T.)
- Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, Ministry of Education of the People’s Republic of China, No 81 Meishan Road, Hefei 230032, China
| | - Xiayan Yu
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; (K.G.); (Y.C.); (X.Y.); (W.Q.); (T.F.); (T.Z.); (J.L.); (F.T.)
- Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, Ministry of Education of the People’s Republic of China, No 81 Meishan Road, Hefei 230032, China
| | - Wenjing Qiang
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; (K.G.); (Y.C.); (X.Y.); (W.Q.); (T.F.); (T.Z.); (J.L.); (F.T.)
- Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, Ministry of Education of the People’s Republic of China, No 81 Meishan Road, Hefei 230032, China
| | - Tuyan Fan
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; (K.G.); (Y.C.); (X.Y.); (W.Q.); (T.F.); (T.Z.); (J.L.); (F.T.)
- Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, Ministry of Education of the People’s Republic of China, No 81 Meishan Road, Hefei 230032, China
| | - Tianli Zhu
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; (K.G.); (Y.C.); (X.Y.); (W.Q.); (T.F.); (T.Z.); (J.L.); (F.T.)
- Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, Ministry of Education of the People’s Republic of China, No 81 Meishan Road, Hefei 230032, China
| | - Jingjing Liu
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; (K.G.); (Y.C.); (X.Y.); (W.Q.); (T.F.); (T.Z.); (J.L.); (F.T.)
- Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, Ministry of Education of the People’s Republic of China, No 81 Meishan Road, Hefei 230032, China
| | - Fangbiao Tao
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; (K.G.); (Y.C.); (X.Y.); (W.Q.); (T.F.); (T.Z.); (J.L.); (F.T.)
- Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, Ministry of Education of the People’s Republic of China, No 81 Meishan Road, Hefei 230032, China
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, No 81 Meishan Road, Hefei 230032, China
| | - Beibei Zhu
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; (K.G.); (Y.C.); (X.Y.); (W.Q.); (T.F.); (T.Z.); (J.L.); (F.T.)
- Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, Ministry of Education of the People’s Republic of China, No 81 Meishan Road, Hefei 230032, China
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, No 81 Meishan Road, Hefei 230032, China
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20
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Wang T, Masedunskas A, Willett WC, Fontana L. Vegetarian and vegan diets: benefits and drawbacks. Eur Heart J 2023; 44:3423-3439. [PMID: 37450568 PMCID: PMC10516628 DOI: 10.1093/eurheartj/ehad436] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 06/21/2023] [Accepted: 06/26/2023] [Indexed: 07/18/2023] Open
Abstract
Plant-based diets have become increasingly popular thanks to their purported health benefits and more recently for their positive environmental impact. Prospective studies suggest that consuming vegetarian diets is associated with a reduced risk of developing cardiovascular disease (CVD), diabetes, hypertension, dementia, and cancer. Data from randomized clinical trials have confirmed a protective effect of vegetarian diets for the prevention of diabetes and reductions in weight, blood pressure, glycosylated haemoglobin and low-density lipoprotein cholesterol, but to date, no data are available for cardiovascular event rates and cognitive impairment, and there are very limited data for cancer. Moreover, not all plant-based foods are equally healthy. Unhealthy vegetarian diets poor in specific nutrients (vitamin B12, iron, zinc, and calcium) and/or rich in highly processed and refined foods increase morbidity and mortality. Further mechanistic studies are desirable to understand whether the advantages of healthy, minimally processed vegetarian diets represent an all-or-nothing phenomenon and whether consuming primarily plant-based diets containing small quantities of animal products (e.g. pesco-vegetarian or Mediterranean diets) has beneficial, detrimental, or neutral effects on cardiometabolic health outcomes. Further, mechanistic studies are warranted to enhance our understanding about healthy plant-based food patterns and the biological mechanisms linking dietary factors, CVD, and other metabolic diseases.
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Affiliation(s)
- Tian Wang
- Charles Perkins Center, University of Sydney, Sydney, NSW, Australia
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Andrius Masedunskas
- Charles Perkins Center, University of Sydney, Sydney, NSW, Australia
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Walter C Willett
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, MA, USA
| | - Luigi Fontana
- Charles Perkins Center, University of Sydney, Sydney, NSW, Australia
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
- Department of Endocrinology, Royal Prince Alfred Hospital, Sydney, NSW, Australia
- Department of Clinical and Experimental Sciences, Brescia University, Brescia, Lombardy, Italy
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21
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Attaye I, Lassen PB, Adriouch S, Steinbach E, Patiño-Navarrete R, Davids M, Alili R, Jacques F, Benzeguir S, Belda E, Nemet I, Anderson JT, Alexandre-Heymann L, Greyling A, Larger E, Hazen SL, van Oppenraaij SL, Tremaroli V, Beck K, Bergh PO, Bäckhed F, ten Brincke SP, Herrema H, Groen AK, Pinto-Sietsma SJ, Clément K, Nieuwdorp M. Protein supplementation changes gut microbial diversity and derived metabolites in subjects with type 2 diabetes. iScience 2023; 26:107471. [PMID: 37599833 PMCID: PMC10432813 DOI: 10.1016/j.isci.2023.107471] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 06/05/2023] [Accepted: 07/21/2023] [Indexed: 08/22/2023] Open
Abstract
High-protein diets are promoted for individuals with type 2 diabetes (T2D). However, effects of dietary protein interventions on (gut-derived) metabolites in T2D remains understudied. We therefore performed a multi-center, randomized-controlled, isocaloric protein intervention with 151 participants following either 12-week high-protein (HP; 30Energy %, N = 78) vs. low-protein (LP; 10 Energy%, N = 73) diet. Primary objectives were dietary effects on glycemic control which were determined via glycemic excursions, continuous glucose monitors and HbA1c. Secondary objectives were impact of diet on gut microbiota composition and -derived metabolites which were determined by shotgun-metagenomics and mass spectrometry. Analyses were performed using delta changes adjusting for center, baseline, and kidney function when appropriate. This study found that a short-term 12-week isocaloric protein modulation does not affect glycemic parameters or weight in metformin-treated T2D. However, the HP diet slightly worsened kidney function, increased alpha-diversity, and production of potentially harmful microbiota-dependent metabolites, which may affect host metabolism upon prolonged exposure.
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Affiliation(s)
- Ilias Attaye
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Amsterdam, the Netherlands
| | - Pierre Bel Lassen
- Sorbonne Université, INSERM, Nutrition and Obesities; Systemic Approaches (NutriOmics), Paris, France
- Assistance Publique Hôpitaux de Paris, Pitie-Salpêtrière Hospital, Nutrition Department, Paris, France
| | - Solia Adriouch
- Sorbonne Université, INSERM, Nutrition and Obesities; Systemic Approaches (NutriOmics), Paris, France
| | - Emilie Steinbach
- Sorbonne Université, INSERM, Nutrition and Obesities; Systemic Approaches (NutriOmics), Paris, France
| | - Rafael Patiño-Navarrete
- Sorbonne Université, INSERM, Nutrition and Obesities; Systemic Approaches (NutriOmics), Paris, France
| | - Mark Davids
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Amsterdam, the Netherlands
| | - Rohia Alili
- Sorbonne Université, INSERM, Nutrition and Obesities; Systemic Approaches (NutriOmics), Paris, France
| | - Flavien Jacques
- Sorbonne Université, INSERM, Nutrition and Obesities; Systemic Approaches (NutriOmics), Paris, France
| | - Sara Benzeguir
- Sorbonne Université, INSERM, Nutrition and Obesities; Systemic Approaches (NutriOmics), Paris, France
| | - Eugeni Belda
- Sorbonne Université, INSERM, Nutrition and Obesities; Systemic Approaches (NutriOmics), Paris, France
| | - Ina Nemet
- Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute, Cleveland, OH, USA
- Center for Microbiome & Human Health, Cleveland Clinic, Cleveland, OH, USA
| | - James T. Anderson
- Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute, Cleveland, OH, USA
- Center for Microbiome & Human Health, Cleveland Clinic, Cleveland, OH, USA
| | | | - Arno Greyling
- Unilever Foods Innovation Centre, Wageningen, the Netherlands
| | - Etienne Larger
- Assistance Publique Hôpitaux de Paris, Pitie-Salpêtrière Hospital, Nutrition Department, Paris, France
| | - Stanley L. Hazen
- Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute, Cleveland, OH, USA
- Center for Microbiome & Human Health, Cleveland Clinic, Cleveland, OH, USA
- Department of Cardiovascular Medicine, Heart, Vascular and Thoracic Institute, Cleveland, OH, USA
| | - Sophie L. van Oppenraaij
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Amsterdam, the Netherlands
| | - Valentina Tremaroli
- Wallenberg Laboratory, Department of Molecular and Clinical Medicine and Sahlgrenska Center for Cardiovascular and Metabolic Research, University of Gothenburg, 413 45 Gothenburg, Sweden
| | - Katharina Beck
- Wallenberg Laboratory, Department of Molecular and Clinical Medicine and Sahlgrenska Center for Cardiovascular and Metabolic Research, University of Gothenburg, 413 45 Gothenburg, Sweden
| | - Per-Olof Bergh
- Wallenberg Laboratory, Department of Molecular and Clinical Medicine and Sahlgrenska Center for Cardiovascular and Metabolic Research, University of Gothenburg, 413 45 Gothenburg, Sweden
| | - Fredrik Bäckhed
- Wallenberg Laboratory, Department of Molecular and Clinical Medicine and Sahlgrenska Center for Cardiovascular and Metabolic Research, University of Gothenburg, 413 45 Gothenburg, Sweden
- Region Västra Götaland, Sahlgrenska University Hospital, Department of Clinical Physiology, Gothenburg, Sweden
| | - Suzan P.M. ten Brincke
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Amsterdam, the Netherlands
| | - Hilde Herrema
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Amsterdam, the Netherlands
| | - Albert K. Groen
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Amsterdam, the Netherlands
| | - Sara-Joan Pinto-Sietsma
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Amsterdam, the Netherlands
| | - Karine Clément
- Sorbonne Université, INSERM, Nutrition and Obesities; Systemic Approaches (NutriOmics), Paris, France
- Assistance Publique Hôpitaux de Paris, Pitie-Salpêtrière Hospital, Nutrition Department, Paris, France
| | - Max Nieuwdorp
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Amsterdam, the Netherlands
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22
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Kondo Y, Aoki H, Masuda M, Nishi H, Noda Y, Hakuno F, Takahashi SI, Chiba T, Ishigami A. Moderate protein intake percentage in mice for maintaining metabolic health during approach to old age. GeroScience 2023; 45:2707-2726. [PMID: 37118349 PMCID: PMC10651611 DOI: 10.1007/s11357-023-00797-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 04/12/2023] [Indexed: 04/30/2023] Open
Abstract
Nutritional requirements for maintaining metabolic health may vary with each life stage, such as young, middle, and old age. To investigate the appropriate ratio of nutrients, particularly proteins, for maintaining metabolic health while approaching old age, young (6-month-old) and middle-aged (16-month-old) mice were fed isocaloric diets with varying protein percentages (5%, 15%, 25%, 35%, and 45% by calorie ratio) for two months. The low-protein diet developed mild fatty liver, with middle-aged mice showing more lipids than young mice, whereas the moderate-protein diet suppressed lipid contents and lowered the levels of blood glucose and lipids. Self-organizing map (SOM) analysis revealed that plasma amino acid profiles differed depending on age and difference in protein diet and were associated with hepatic triglyceride and cholesterol levels. Results indicate that the moderate protein intake percentages (25% and 35%) are required for maintaining metabolic health in middle-aged mice, which is similar to that in young mice.
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Affiliation(s)
- Yoshitaka Kondo
- Molecular Regulation of Aging, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-Cho, Itabashi-Ku, Tokyo, 173-0015, Japan
- Biomedical Gerontology Laboratory, Faculty of Human Sciences, Waseda University, Saitama, 359-1192, Japan
| | - Hitoshi Aoki
- Research and Development Division, Nichirei Foods Inc, Chiba, 261-0002, Japan
| | - Masato Masuda
- Department of Animal Sciences and Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo, 113-8657, Japan
| | - Hiroki Nishi
- Department of Animal Sciences and Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo, 113-8657, Japan
| | - Yoshihiro Noda
- Department of Animal Facility, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Fumihiko Hakuno
- Department of Animal Sciences and Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo, 113-8657, Japan
| | - Shin-Ichiro Takahashi
- Department of Animal Sciences and Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo, 113-8657, Japan
| | - Takuya Chiba
- Biomedical Gerontology Laboratory, Faculty of Human Sciences, Waseda University, Saitama, 359-1192, Japan
| | - Akihito Ishigami
- Molecular Regulation of Aging, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-Cho, Itabashi-Ku, Tokyo, 173-0015, Japan.
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23
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Ashkar F, Wu J. Effects of Food Factors and Processing on Protein Digestibility and Gut Microbiota. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023. [PMID: 37267055 DOI: 10.1021/acs.jafc.3c00442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Protein is an essential macronutrient. The nutritional needs of dietary proteins are met by digestion and absorption in the small intestine. Indigestible proteins are further metabolized in the gut and produce metabolites via protein fermentation. Thus, protein indigestibility exerts a wide range of effects on gut microbiota composition and function. This review aims to discuss protein digestibility, the effects of food factors, such as protein sources, intake level, and amino acid composition, and making meat analogues. Besides, it provides an inventory of antinutritional factors and processing techniques that influence protein digestibility and, consequently, the diversity and composition of intestinal microbiota. Future studies are warranted to understand the implication of plant-based analogues on protein digestibility and gut microbiota and to elucidate the mechanisms concerning protein digestibility to host gut microbiota using various omics techniques.
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Affiliation(s)
- Fatemeh Ashkar
- Department of Agricultural Food and Nutritional Science, University of Alberta, Edmonton, Alberta T6G 2R3, Canada
| | - Jianping Wu
- Department of Agricultural Food and Nutritional Science, University of Alberta, Edmonton, Alberta T6G 2R3, Canada
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24
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Zhou K, Yi X, Tan Z, Peng M, Xiao N. Baohe pill decoction treats diarrhea induced by high-fat and high-protein diet by regulating lactase-producing bacteria in intestinal mucosa. Front Microbiol 2023; 14:1157475. [PMID: 37228379 PMCID: PMC10203203 DOI: 10.3389/fmicb.2023.1157475] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 04/24/2023] [Indexed: 05/27/2023] Open
Abstract
Introduction This study aimed to investigate the effects of Baohe pill decoction (BPD) on microbial, lactase activity, and lactase-producing bacteria in the intestinal mucosa of mice with diarrhea induced by high-fat and high-protein diet (HFHPD). Methods Thirty male Kunming (KM) mice were randomly divided into normal (NM), model (MD), and BPD groups. Diarrhea models were manufactured using HFHPD combined with a gavage of vegetable oil. At the end of modeling, the BPD group was given BPD (6.63 g·kg-1d-1) intervention twice daily for 3 d. The NM and MD groups were given equal amounts of sterile water. Subsequently, the intestinal mucosa of the mice was collected, one portion was used for microbial and lactase activity measurement, and the other portion was used for its lactase-producing bacterial characteristics by high-throughput sequencing technology. Results Our results showed that microbial and lactase activity of intestinal mucosa decreased significantly following diarrhea in mice (Pmicrobial < 0.05, Plactase < 0.001). After BPD intervention, microbial and lactase activity increased significantly (P < 0.01). The number of operational taxonomic units (OTUs), richness, and diversity index of lactase-producing bacteria increased in the BPD group compared to the MD group (P > 0.05), and the community structure were significant differences (P < 0.01). Compared to other groups, Saccharopolyspora, Rhizobium, Cedecea, and Escherichia were enriched in the BPD group. Notably, the relative abundance of the dominant lactase-producing genus Bifidobacterium decreased after BPD intervention. Discussion The mechanism of BPD in relieving diarrhea induced by HFHPD is closely related to the promotion of lactase activity in the intestinal mucosa, which may be achieved by regulating the structure of lactase-producing bacteria.
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Affiliation(s)
- Kang Zhou
- College of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Xin Yi
- College of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Zhoujin Tan
- College of Chinese Medicine, Hunan University of Chinese Medicine, Changsha, China
| | - Maijiao Peng
- College of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
| | - Nenqun Xiao
- College of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
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25
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Garcia-Iborra M, Castanys-Munoz E, Oliveros E, Ramirez M. Optimal Protein Intake in Healthy Children and Adolescents: Evaluating Current Evidence. Nutrients 2023; 15:nu15071683. [PMID: 37049523 PMCID: PMC10097334 DOI: 10.3390/nu15071683] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 03/31/2023] Open
Abstract
High protein intake might elicit beneficial or detrimental effects, depending on life stages and populations. While high protein intake in elder individuals can promote beneficial health effects, elevated protein intakes in infancy are discouraged, since they have been associated with obesity risks later in life. However, in children and adolescents (4–18 years), there is a scarcity of data assessing the effects of high protein intake later in life, despite protein intake being usually two- to three-fold higher than the recommendations in developed countries. This narrative review aimed to revise the available evidence on the long-term effects of protein intake in children and adolescents aged 4–18 years. Additionally, it discusses emerging techniques to assess protein metabolism in children, which suggest a need to reevaluate current recommendations. While the optimal range is yet to be firmly established, available evidence suggests a link between high protein intake and increased Body Mass Index (BMI), which might be driven by an increase in Fat-Free Mass Index (FFMI), as opposed to Fat Mass Index (FMI).
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Affiliation(s)
- Maria Garcia-Iborra
- Abbott Nutrition R & D, Granada University Science Park, 18016 Granada, Spain; (M.G.-I.); (E.C.-M.)
| | - Esther Castanys-Munoz
- Abbott Nutrition R & D, Granada University Science Park, 18016 Granada, Spain; (M.G.-I.); (E.C.-M.)
| | - Elena Oliveros
- Abbott Nutrition R & D, Abbott Laboratories, 18004 Granada, Spain;
| | - Maria Ramirez
- Abbott Nutrition R & D, Abbott Laboratories, 18004 Granada, Spain;
- Correspondence: ; Tel.: +34-669127998
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26
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A path analysis to investigate the interaction between serum, urinary and demographic factors influencing urine calcium in kidney stone formers. Int Urol Nephrol 2023:10.1007/s11255-023-03461-z. [PMID: 36780048 DOI: 10.1007/s11255-023-03461-z] [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: 12/21/2021] [Accepted: 01/08/2023] [Indexed: 02/14/2023]
Abstract
BACKGROUND Hypercalciuria is one of the most important urinary risk factors in kidney stone formers. This study aimed to delineate the interaction of some demographic, serum, and urinary risk factors influencing 24-h urinary (24-U) calcium excretion. METHODS This study was secondary data analysis, using data from 593 kidney stone patients referred to the Labbafinejad kidney stone prevention clinic from March 2015 to May 2019. The study considered serum, urinary and demographic factors that interact to influence 24-U calcium using path analysis. In addition to the direct impact of predictors on the 24-U calcium, this analysis considered the effects of the predictors on the 24-U calcium transmitted by a mediating variable named indirect effects. RESULTS The results showed that age indirectly affected on 24-U calcium through 25-hydroxy vitamin D (25(OH)D), serum and 24-U creatinine. As well, weight had an indirect effect through 24-urine metabolites (creatinine, citrate, urea, and sodium). Among serum variables, PTH and creatinine significantly directly affected on 24-U calcium. In comparison, 25(OH)D and phosphorus appeared to influence 24-U calcium indirectly through serum parathormone. Regarding 24-U metabolites, sodium, urea, and citrate had a significant direct effect on 24-U calcium. Moreover, 24-U creatinine has a significant direct and indirect effect on 24-U calcium through citrate and urea as mediator variables. CONCLUSION Serum 25(OH)D and phosphorus, along with age and weight, indirectly affected urinary calcium through a third variable. Other variables (PTH, serum creatinine, and 24-U sodium, urea, and citrate) showed a direct effect on 24-U calcium excretion.
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Magkos F, Reeds DN, Mittendorfer B. Evolution of the diagnostic value of "the sugar of the blood": hitting the sweet spot to identify alterations in glucose dynamics. Physiol Rev 2023; 103:7-30. [PMID: 35635320 PMCID: PMC9576168 DOI: 10.1152/physrev.00015.2022] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/23/2022] [Accepted: 05/24/2022] [Indexed: 11/22/2022] Open
Abstract
In this paper, we provide an overview of the evolution of the definition of hyperglycemia during the past century and the alterations in glucose dynamics that cause fasting and postprandial hyperglycemia. We discuss how extensive mechanistic, physiological research into the factors and pathways that regulate the appearance of glucose in the circulation and its uptake and metabolism by tissues and organs has contributed knowledge that has advanced our understanding of different types of hyperglycemia, namely prediabetes and diabetes and their subtypes (impaired fasting plasma glucose, impaired glucose tolerance, combined impaired fasting plasma glucose, impaired glucose tolerance, type 1 diabetes, type 2 diabetes, gestational diabetes mellitus), their relationships with medical complications, and how to prevent and treat hyperglycemia.
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Affiliation(s)
- Faidon Magkos
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg, Denmark
| | - Dominic N Reeds
- Center for Human Nutrition, Washington University School of Medicine, St. Louis, Missouri
| | - Bettina Mittendorfer
- Center for Human Nutrition, Washington University School of Medicine, St. Louis, Missouri
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Nogueira ME, Sousa Neto IV, Motta-Santos D, Cantuária APDC, Lima SMDF, Rezende TMB, Santana HADP, Petriz BA, Marqueti RDC, Almeida JA. High-protein diet associated with resistance training reduces cardiac TNF-α levels and up-regulates MMP-2 activity in rats. Arch Physiol Biochem 2022; 128:1630-1636. [PMID: 32686511 DOI: 10.1080/13813455.2020.1787456] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The consumption of high-protein diets (HPD) is associated with resistance training (RT) due to effects on metabolism. However, little is known about these effects on cardiac tissue. This study aimed to investigate effects of HPD and RT on cardiac biomarkers. 18 rats were divided into normo-protein (NPD), and HPD groups: NPD-Control, NPD-RT, HPD-Control, and HPD-RT. Interleukin-6 (IL-6), tumour necrosis factor alpha (TNF-a), nitric oxide (NO), activity of metalloproteinase-2 (MMP-2), and vascular factor (VEGF) were analysed. RT was effective in regulating body weight, increasing strength, and reducing food consumption (p < .05). HPD induces higher levels of interleukin 6 (p = .0169), and lowers NO (p < .0001). When associated with RT, the HPD decreases levels of tumour necrosis factor alpha, while enhances NO, and MMP activity (p < .05). The association of RT with HDP decreases inflammatory parameters and indicates an enhancement in the molecular parameters of cardiac tissue.
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Affiliation(s)
- Murilo Esteves Nogueira
- Graduate Program in Health and Development in the Midwest Region, Faculty of Medicine, Federal University of Mato Grosso do Sul, Campo Grande, Brazil
| | - Ivo Vieira Sousa Neto
- Graduate Program of Sciences and Technology of Health, University of Brasilia, Distrito Federal, Brazil
| | - Daisy Motta-Santos
- Sports Science Postgraduate Program, Sports Department, EEFFTO, UFMG, Belo Horizonte, Brazil
| | - Ana Paula de Castro Cantuária
- Graduate Program in Genomics Science and Biotechnology, Catholic University of Brasilia, Brasília, Brazil
- Post graduation of Health Sciences, University of Brasilia, Distrito Federal, Brazil
| | - Stella Maris de Freitas Lima
- Graduate Program in Genomics Science and Biotechnology, Catholic University of Brasilia, Brasília, Brazil
- Dental course, Catholic University of Brasilia, Brasília, Brazil
| | - Taia Maria Berto Rezende
- Graduate Program in Genomics Science and Biotechnology, Catholic University of Brasilia, Brasília, Brazil
- Post graduation of Health Sciences, University of Brasilia, Distrito Federal, Brazil
- Dental course, Catholic University of Brasilia, Brasília, Brazil
| | - Hugo Alexandre de Paula Santana
- Research in Exercise and Nutrition in Health and Sports Performance - PENSARE, Graduate Program in Movement Sciences, Federal University of Mato Grosso do Sul, Campo Grande, Brazil
| | - Bernardo Assis Petriz
- Graduate Program in Genomics Science and Biotechnology, Catholic University of Brasilia, Brasília, Brazil
- Laboratory of Molecular Exercise Physiology, University Center - UDF, Brasília, Brazil
- Graduate Program in Health Promotion, University of Franca - UNIFRAN, Franca, Brazil
| | - Rita de Cássia Marqueti
- Graduate Program of Sciences and Technology of Health, University of Brasilia, Distrito Federal, Brazil
- Graduate Program of Rehabilitation Sciences, University of Brasilia, Distrito Federal, Brazil
| | - Jeeser Alves Almeida
- Graduate Program in Health and Development in the Midwest Region, Faculty of Medicine, Federal University of Mato Grosso do Sul, Campo Grande, Brazil
- Research in Exercise and Nutrition in Health and Sports Performance - PENSARE, Graduate Program in Movement Sciences, Federal University of Mato Grosso do Sul, Campo Grande, Brazil
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You S, Yang S, Li L, Zheng B, Zhang Y, Zeng H. Processing Technology and Quality Change during Storage of Fish Sausages with Textured Soy Protein. Foods 2022; 11:foods11223546. [PMID: 36429138 PMCID: PMC9689813 DOI: 10.3390/foods11223546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/27/2022] [Accepted: 11/01/2022] [Indexed: 11/11/2022] Open
Abstract
The addition of textured soy protein (TSP) to surimi products extends the supply of fish protein and improves nutritional and sensory properties, which has attracted considerable research interest. In this study, a single-factor experiment and orthogonal experiment were used to determine the optimal process conditions and to assess the quality indicators of fish sausages during frozen storage. The results indicated that the optimal process conditions were as follows: the addition of 15% TSP, 8% potato starch, and 5% lard oil, resulting in a gel strength of 1894.32 g·cm. During storage of the formulation-optimized fish sausages for 180 days, the water-holding capacity, whiteness, texture properties, and gel strength of the fish sausages all decreased, whereas cooking loss, thawing loss, thiobarbituric acid reactive substances value, and total volatile base nitrogen value all increased. Consequently, TSP is beneficial to improve the gel strength and sensory score of fish sausages. The quality of fish sausages with added TSP was acceptable after storage at -18 °C, for 120 days.
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Affiliation(s)
- Shuyi You
- Engineering Research Center of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Shuqi Yang
- Engineering Research Center of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Lanxin Li
- Engineering Research Center of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Baodong Zheng
- Engineering Research Center of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yi Zhang
- Engineering Research Center of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Hongliang Zeng
- Engineering Research Center of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Correspondence:
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Agri-food tech’s building block: narrating protein, agnostic of source, in the face of crisis. BIOSOCIETIES 2022. [DOI: 10.1057/s41292-022-00287-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
AbstractInventive producers in Silicon Valley and other innovations sectors are going beyond the simulated animal products of plant-based proteins and cellular technologies to produce a third generation of protein products, making protein the leading edge of high tech food innovation. Since innovators draw on sources not generally recognized as food these products are speculative as both foods and investments. Building on scholarship that examines edibility formation of so-called alternative proteins, we show the deployment of three interlocking narratives that make novel protein products both edible and investible: protein is ubiquitous and protean, which provides myriad opportunities for technological transformation; its longtime associations with vigor, strength and energy, along with current day obsessions with the negatives of fats and carbohydrates, renders it the one remaining macronutrient that it is unequivocally good; and widely circulated discourses of both future shortages and the problems with contemporary livestock production makes producing more an almost indisputable solution. While innovators and investors act as if protein needs this sector to solve an impending crisis and bring its possibilities to fruition, we suggest the inverse—that without protein the sector would be nearly barren of novelty and food, much less the disruption and impact routinely claimed.
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Zhang SZ, Liang PP, Feng YN, Yin GL, Sun FC, Ma CQ, Zhang FX. Therapeutic potential and research progress of diosgenin for lipid metabolism diseases. Drug Dev Res 2022; 83:1725-1738. [PMID: 36126194 DOI: 10.1002/ddr.21991] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 07/31/2022] [Accepted: 08/02/2022] [Indexed: 11/07/2022]
Abstract
Diosgenin, a steroidal saponin, is a natural product found in many plants. Diosgenin has a wide range of pharmacological activities, and has been used to treat cancer, nervous system diseases, inflammation, and infections. Numerous studies have shown that diosgenin has potential therapeutic value for lipid metabolism diseases via various pathways and mechanisms, such as controlling lipid synthesis, absorption, and inhibition of oxidative stress. These mechanisms and pathways have provided ideas for researchers to develop related drugs. In this review, we focus on data from animal and clinical studies, summarizing the toxicity of diosgenin, its pharmacological mechanism, recent research advances, and the related mechanisms of diosgenin as a drug for the treatment of lipid metabolism, especially in obesity, hyperlipidemia, nonalcoholic fatty liver disease, atherosclerosis, and diabetes. This systematic review will briefly describe the advantages of diosgenin as a potential therapeutic drug and seek to enhance our understanding of the pharmacological mechanism, recipe-construction, and the development of novel therapeutics against lipid metabolism diseases.
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Affiliation(s)
- Shi-Zhao Zhang
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Peng-Peng Liang
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Ya-Nan Feng
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Guo-Liang Yin
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Feng-Cui Sun
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Chao-Qun Ma
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Feng-Xia Zhang
- Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
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Consumption of salmon fishmeal increases hepatic cholesterol content in obese C57BL/6 J mice. Eur J Nutr 2022; 61:4027-4043. [PMID: 35788891 PMCID: PMC9596588 DOI: 10.1007/s00394-022-02930-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 05/31/2022] [Indexed: 12/04/2022]
Abstract
Purpose By-products from farmed fish contain large amounts of proteins and may be used for human consumption. The purpose of this study was to investigate cardiometabolic effects and metabolic tolerance in mice consuming fishmeal from salmon by-products, salmon filet or beef. Methods Female C57BL/6J mice were fed chow, as a healthy reference group, or a high-fat diet for 10 weeks to induce obesity and glucose intolerance. Obese mice were subsequently given isocaloric diets containing 50% of the dietary protein from salmon fishmeal, salmon filet or beef for 10 weeks. Mice were subjected to metabolic phenotyping, which included measurements of body composition, energy metabolism in metabolic cages and glucose tolerance. Lipid content and markers of hepatic toxicity were determined in plasma and liver. Hepatic gene and protein expression was determined with RNA sequencing and immunoblotting. Results Mice fed fishmeal, salmon filet or beef had similar food intake, energy consumption, body weight gain, adiposity, glucose tolerance and circulating levels of lipids and hepatic toxicity markers, such as p-ALT and p-AST. Fishmeal increased hepatic cholesterol levels by 35–36% as compared to salmon filet (p = 0.0001) and beef (p = 0.005). This was accompanied by repressed expression of genes involved in steroid and cholesterol metabolism and reduced levels of circulating Pcsk9. Conclusion Salmon fishmeal was well tolerated, but increased hepatic cholesterol content. The high cholesterol content in fishmeal may be responsible for the effects on hepatic cholesterol metabolism. Before introducing fishmeal from salmon by-products as a dietary component, it may be advantageous to reduce the cholesterol content in fishmeal. Supplementary Information The online version contains supplementary material available at 10.1007/s00394-022-02930-y.
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Chen JQ, Zhang Q, Yu D, Bi R, Ma Y, Li Y, Lv LB, Yao YG. Optimization of Milk Substitutes for the Artificial Rearing of Chinese Tree Shrews (Tupaia belangeri chinensis). Animals (Basel) 2022; 12:ani12131655. [PMID: 35804554 PMCID: PMC9265009 DOI: 10.3390/ani12131655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 06/22/2022] [Accepted: 06/22/2022] [Indexed: 11/17/2022] Open
Abstract
Simple Summary The Chinese tree shrew, a squirrel-like mammal, has been widely used as a laboratory animal in biological research. However, the low survival rate of the pups has seriously hindered the establishment of inbred lines of this species and further limited its wider use. We found a milk substitute appropriate for artificial rearing of Chinese tree shrew pups independent of any obvious adverse effects on their survival, health, and reproductive performance compared to those of the maternally reared pups. The successful optimization of a milk substitute for the artificial rearing of Chinese tree shrew pups may increase the availability of this experimental animal. Abstract The Chinese tree shrew (Tupaia belangeri chinensis) has the potential to replace the use of non-human primates in biomedical research. To increase the availability of this species, we have undertaken the ambitious task of establishing inbred lines of the Chinese tree shrew; however, we have been hindered by a low survival rate of inbred pups. Here, we report our artificial rearing (AR) of Chinese tree shrew pups using four different milk substitutes: the formula described by Tsang and Collins (milk TC) and three commercially available milk substitutes intended for possums (milk A and milk C) and for guinea pigs (milk B). We compared the effects of these milk substitutes and maternal milk on the daily milk consumption, growth performance, and survival of the pups. We also assessed the life span and reproductive performance of the F1 individuals given the best milk substitute as compared to the maternally reared (MR) pups. Milk B was found to be appropriate for AR. Pups fed with milk B had a high survival rate at the weaning age compared to those fed with the other milk substitutes. The AR pups fed with milk B had a life span similar to that of MR pups. AR females fed with milk B had an earlier age of the first reproduction, a larger number of litters, and a higher rate of survival of the offspring at the weaning age compared with the MR females. The successful optimization of a milk substitute for AR of Chinese tree shrew pups will undoubtedly facilitate the wide usage of this experimental animal.
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Affiliation(s)
- Jia-Qi Chen
- National Resource Center for Non-Human Primates, National Research Facility for Phenotypic & Genetic Analysis of Model Animals (Primate Facility), Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650107, China; (J.-Q.C.); (Q.Z.); (D.Y.); (R.B.); (Y.M.); (Y.L.)
| | - Qingyu Zhang
- National Resource Center for Non-Human Primates, National Research Facility for Phenotypic & Genetic Analysis of Model Animals (Primate Facility), Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650107, China; (J.-Q.C.); (Q.Z.); (D.Y.); (R.B.); (Y.M.); (Y.L.)
| | - Dandan Yu
- National Resource Center for Non-Human Primates, National Research Facility for Phenotypic & Genetic Analysis of Model Animals (Primate Facility), Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650107, China; (J.-Q.C.); (Q.Z.); (D.Y.); (R.B.); (Y.M.); (Y.L.)
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, and KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650204, China
- Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming 650204, China
| | - Rui Bi
- National Resource Center for Non-Human Primates, National Research Facility for Phenotypic & Genetic Analysis of Model Animals (Primate Facility), Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650107, China; (J.-Q.C.); (Q.Z.); (D.Y.); (R.B.); (Y.M.); (Y.L.)
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, and KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650204, China
- Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming 650204, China
| | - Yuhua Ma
- National Resource Center for Non-Human Primates, National Research Facility for Phenotypic & Genetic Analysis of Model Animals (Primate Facility), Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650107, China; (J.-Q.C.); (Q.Z.); (D.Y.); (R.B.); (Y.M.); (Y.L.)
| | - Yijiang Li
- National Resource Center for Non-Human Primates, National Research Facility for Phenotypic & Genetic Analysis of Model Animals (Primate Facility), Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650107, China; (J.-Q.C.); (Q.Z.); (D.Y.); (R.B.); (Y.M.); (Y.L.)
| | - Long-Bao Lv
- National Resource Center for Non-Human Primates, National Research Facility for Phenotypic & Genetic Analysis of Model Animals (Primate Facility), Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650107, China; (J.-Q.C.); (Q.Z.); (D.Y.); (R.B.); (Y.M.); (Y.L.)
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, and KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650204, China
- Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming 650204, China
- Correspondence: (L.-B.L.); (Y.-G.Y.)
| | - Yong-Gang Yao
- National Resource Center for Non-Human Primates, National Research Facility for Phenotypic & Genetic Analysis of Model Animals (Primate Facility), Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650107, China; (J.-Q.C.); (Q.Z.); (D.Y.); (R.B.); (Y.M.); (Y.L.)
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, and KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650204, China
- Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming 650204, China
- Correspondence: (L.-B.L.); (Y.-G.Y.)
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High-Moisture Extrusion of Mixed Proteins from Soy and Surimi: Effect of Protein Gelling Properties on the Product Quality. Foods 2022; 11:foods11101397. [PMID: 35626967 PMCID: PMC9141467 DOI: 10.3390/foods11101397] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 05/04/2022] [Accepted: 05/10/2022] [Indexed: 02/04/2023] Open
Abstract
The high-moisture extrusion of proteins from plant and animal sources should be a new way for developing alternative protein products with meat-like texture. The protein gelling properties are considered an important factor for the meat-like texture formation during the high-moisture extrusion processing. In this study, the mixed protein gelling properties from soy protein isolate (SPI) and surimi at different ratios (90:10, 80:20, 70:30, 60:40 and 50:50) were investigated to relate to the high-moisture (70%) extruding product textural properties, correspondingly. Results showed that at SPI–surimi ratio 60:40, the heat-induced gelation time was clearly extended and the gel strength became much weaker. During the high-moisture extrusion processing, at SPI–surimi ratio 80:20, the extrudate showed the higher hardness, chewiness, gel strength and fibrous degree, while excessive surimi (more than 40%) in the blends would hinder the fibrous-oriented structure formation. It suggested that SPI may act as the continuous phase that is dispersed by surimi during the high-moisture extrusion processing. Interestingly, it was found that the gel strength of SPI–surimi blends was nonlinearly correlated with the specific mechanical energy (SME) and product textural properties. The study would be helpful for improving the textural properties of alternative protein products from soy and surimi.
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FGF21 is required for protein restriction to extend lifespan and improve metabolic health in male mice. Nat Commun 2022; 13:1897. [PMID: 35393401 PMCID: PMC8991228 DOI: 10.1038/s41467-022-29499-8] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 03/17/2022] [Indexed: 12/12/2022] Open
Abstract
Dietary protein restriction is increasingly recognized as a unique approach to improve metabolic health, and there is increasing interest in the mechanisms underlying this beneficial effect. Recent work indicates that the hormone FGF21 mediates the metabolic effects of protein restriction in young mice. Here we demonstrate that protein restriction increases lifespan, reduces frailty, lowers body weight and adiposity, improves physical performance, improves glucose tolerance, and alters various metabolic markers within the serum, liver, and adipose tissue of wildtype male mice. Conversely, mice lacking FGF21 fail to exhibit metabolic responses to protein restriction in early life, and in later life exhibit early onset of age-related weight loss, reduced physical performance, increased frailty, and reduced lifespan. These data demonstrate that protein restriction in aging male mice exerts marked beneficial effects on lifespan and metabolic health and that a single metabolic hormone, FGF21, is essential for the anti-aging effect of this dietary intervention.
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Skurk T, Bosy-Westphal A, Grünerbel A, Kabisch S, Keuthage W, Kronsbein P, Müssig K, Pfeiffer AFH, Simon MC, Tombek A, Weber KS, Rubin D. Dietary recommendations for persons with type 2 diabetes mellitus. Exp Clin Endocrinol Diabetes 2022; 130:S151-S184. [PMID: 35359013 DOI: 10.1055/a-1624-5095] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Thomas Skurk
- ZIEL Institute for Food & Health, Technical University of Munich, Freising, Germany.,Else Kröner-Fresenius-Center for Nutritional Medicine, Technical University of Munich, Freising, Germany
| | - Anja Bosy-Westphal
- Institute for Human Nutrition, Faculty of Agricultural and Nutritional Sciences, Christian-Albrechts-University of Kiel, Kiel, Germany
| | | | - Stefan Kabisch
- German Institute of Human Nutrition Potsdam-Rehbrücke, Potsdam, Germany.,Department of Endocrinology, Diabetes and Nutritional Medicine, Charité Universitätsmedizin Berlin, Berlin, Germany.,German Center for Diabetes Research (DZD), Munich, Germany
| | - Winfried Keuthage
- Focus Practice for Diabetes and Nutritional Medicine, Münster, Germany
| | - Peter Kronsbein
- Department of Ecotrophology, Niederrhein University of Applied Sciences, Mönchengladbach Campus, Germany
| | - Karsten Müssig
- Department of Internal Medicine, Gastroenterology and Diabetology, Niels Stensen Hospitals, Franziskus Hospital Harderberg, Georgsmarienhütte, Germany
| | - Andreas F H Pfeiffer
- Department of Endocrinology, Diabetes and Nutritional Medicine, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Marie-Christine Simon
- Institute of Nutrition and Food Sciences, Rheinische Friedrich-Wilhelms University, Bonn, Germany
| | | | - Katharina S Weber
- Institute of Epidemiology, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Diana Rubin
- Vivantes Hospital Spandau, Berlin, Germany.,Vivantes Humboldt Hospital, Berlin, Germany
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Molecular mechanisms of dietary restriction promoting health and longevity. Nat Rev Mol Cell Biol 2022; 23:56-73. [PMID: 34518687 PMCID: PMC8692439 DOI: 10.1038/s41580-021-00411-4] [Citation(s) in RCA: 243] [Impact Index Per Article: 121.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/29/2021] [Indexed: 02/08/2023]
Abstract
Dietary restriction with adequate nutrition is the gold standard for delaying ageing and extending healthspan and lifespan in diverse species, including rodents and non-human primates. In this Review, we discuss the effects of dietary restriction in these mammalian model organisms and discuss accumulating data that suggest that dietary restriction results in many of the same physiological, metabolic and molecular changes responsible for the prevention of multiple ageing-associated diseases in humans. We further discuss how different forms of fasting, protein restriction and specific reductions in the levels of essential amino acids such as methionine and the branched-chain amino acids selectively impact the activity of AKT, FOXO, mTOR, nicotinamide adenine dinucleotide (NAD+), AMP-activated protein kinase (AMPK) and fibroblast growth factor 21 (FGF21), which are key components of some of the most important nutrient-sensing geroprotective signalling pathways that promote healthy longevity.
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Cuevas S, Patel N, Thompson C, Petticrew M, Cummins S, Smith R, Cornelsen L. Escaping the Red Queen: Health as a corporate food marketing strategy. SSM Popul Health 2021; 16:100953. [PMID: 34815996 PMCID: PMC8592866 DOI: 10.1016/j.ssmph.2021.100953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 09/25/2021] [Accepted: 10/25/2021] [Indexed: 11/27/2022] Open
Abstract
Public health advocates highlight the role of corporate actors and food marketing in shaping diets and health. This study analyses insider-oriented communications in food industry magazines in the UK to analyse actions and narratives related to health and nutrition, providing insights into relatively overlooked areas of marketing strategy including inter-firm dynamics. From a sample of four specialized food industry magazines covering the main industry segments we identified 319 articles (published 2007-2018) mentioning health or nutrition together with industry actions affecting the food environment. We identified health-related actions and analysed underlying strategies through content and thematic analyses. Health and nutrition have a rapidly growing role in food marketing strategy. Content analysis revealed a focus on ultra-processed foods, as well as product and nutrient-specific trends including increased health-based marketing of snacks and "protein rich" products. Health-related actions predominantly relied on consumer agency rather than invoking structural food environment changes. Thematic analysis identified proactive and defensive marketing strategies. Proactive approaches included large investments in health-related promotion of ultra-processed foods which are made highly visible to competitors, and the reliance on a "credence goods" differentiation strategies. Defensive strategies included a 'Red Queen' effect, whereby firms take health-related actions to keep up with competitors. These competitive strategies can create challenges, as well as some opportunities, for public health promotion. Challenges can include undermining efforts to support product comparison and healthier choice, and limiting firms' engagement in specific health improving actions. Systematic analysis of health-oriented marketing strategies could support more effective public health intervention.
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Affiliation(s)
- Soledad Cuevas
- London School of Hygiene and Tropical Medicine, Keppel St, Bloomsbury, London, WC1E 7HT, UK
| | - Nishali Patel
- London School of Hygiene and Tropical Medicine, Keppel St, Bloomsbury, London, WC1E 7HT, UK
- University of Washington, Department of Health Metric Sciences, USA
| | | | - Mark Petticrew
- London School of Hygiene and Tropical Medicine, Keppel St, Bloomsbury, London, WC1E 7HT, UK
| | - Steven Cummins
- London School of Hygiene and Tropical Medicine, Keppel St, Bloomsbury, London, WC1E 7HT, UK
| | - Richard Smith
- University of Exeter, Medical School Building, St Luke's Campus, Magdalen Road, Exeter, EX1 2LU, UK
| | - Laura Cornelsen
- London School of Hygiene and Tropical Medicine, Keppel St, Bloomsbury, London, WC1E 7HT, UK
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Obesity and Cardiometabolic Risk Factors: From Childhood to Adulthood. Nutrients 2021; 13:nu13114176. [PMID: 34836431 PMCID: PMC8624977 DOI: 10.3390/nu13114176] [Citation(s) in RCA: 138] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/15/2021] [Accepted: 11/19/2021] [Indexed: 12/13/2022] Open
Abstract
Obesity has become a major epidemic in the 21st century. It increases the risk of dyslipidemia, hypertension, and type 2 diabetes, which are known cardiometabolic risk factors and components of the metabolic syndrome. Although overt cardiovascular (CV) diseases such as stroke or myocardial infarction are the domain of adulthood, it is evident that the CV continuum begins very early in life. Recognition of risk factors and early stages of CV damage, at a time when these processes are still reversible, and the development of prevention strategies are major pillars in reducing CV morbidity and mortality in the general population. In this review, we will discuss the role of well-known but also novel risk factors linking obesity and increased CV risk from prenatal age to adulthood, including the role of perinatal factors, diet, nutrigenomics, and nutri-epigenetics, hyperuricemia, dyslipidemia, hypertension, and cardiorespiratory fitness. The importance of 'tracking' of these risk factors on adult CV health is highlighted and the economic impact of childhood obesity as well as preventive strategies are discussed.
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Craig WJ, Mangels AR, Fresán U, Marsh K, Miles FL, Saunders AV, Haddad EH, Heskey CE, Johnston P, Larson-Meyer E, Orlich M. The Safe and Effective Use of Plant-Based Diets with Guidelines for Health Professionals. Nutrients 2021; 13:4144. [PMID: 34836399 PMCID: PMC8623061 DOI: 10.3390/nu13114144] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 11/17/2021] [Accepted: 11/17/2021] [Indexed: 12/13/2022] Open
Abstract
Plant-based diets, defined here as including both vegan and lacto-ovo-vegetarian diets, are growing in popularity throughout the Western world for various reasons, including concerns for human health and the health of the planet. Plant-based diets are more environmentally sustainable than meat-based diets and have a reduced environmental impact, including producing lower levels of greenhouse gas emissions. Dietary guidelines are normally formulated to enhance the health of society, reduce the risk of chronic diseases, and prevent nutritional deficiencies. We reviewed the scientific data on plant-based diets to summarize their preventative and therapeutic role in cardiovascular disease, cancer, diabetes, obesity, and osteoporosis. Consuming plant-based diets is safe and effective for all stages of the life cycle, from pregnancy and lactation, to childhood, to old age. Plant-based diets, which are high in fiber and polyphenolics, are also associated with a diverse gut microbiota, producing metabolites that have anti-inflammatory functions that may help manage disease processes. Concerns about the adequate intake of a number of nutrients, including vitamin B12, calcium, vitamin D, iron, zinc, and omega-3 fats, are discussed. The use of fortified foods and/or supplements as well as appropriate food choices are outlined for each nutrient. Finally, guidelines are suggested for health professionals working with clients consuming plant-based diets.
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Affiliation(s)
- Winston J. Craig
- Center for Nutrition, Healthy Lifestyles, and Disease Prevention, School of Public Health, Loma Linda University, Loma Linda, CA 92354, USA; (F.L.M.); (E.H.H.); (C.E.H.); (P.J.)
| | | | - Ujué Fresán
- eHealth Group, Instituto de Salud Global Barcelona (ISGlobal), 08036 Barcelona, Spain;
| | - Kate Marsh
- Private Practice, Chatswood, NSW 2067, Australia;
| | - Fayth L. Miles
- Center for Nutrition, Healthy Lifestyles, and Disease Prevention, School of Public Health, Loma Linda University, Loma Linda, CA 92354, USA; (F.L.M.); (E.H.H.); (C.E.H.); (P.J.)
- School of Medicine, Loma Linda University, Loma Linda, CA 92354, USA;
| | - Angela V. Saunders
- Nutrition Insights, Sanitarium Health Food Company, Berkeley Vale, NSW 2261, Australia;
| | - Ella H. Haddad
- Center for Nutrition, Healthy Lifestyles, and Disease Prevention, School of Public Health, Loma Linda University, Loma Linda, CA 92354, USA; (F.L.M.); (E.H.H.); (C.E.H.); (P.J.)
| | - Celine E. Heskey
- Center for Nutrition, Healthy Lifestyles, and Disease Prevention, School of Public Health, Loma Linda University, Loma Linda, CA 92354, USA; (F.L.M.); (E.H.H.); (C.E.H.); (P.J.)
| | - Patricia Johnston
- Center for Nutrition, Healthy Lifestyles, and Disease Prevention, School of Public Health, Loma Linda University, Loma Linda, CA 92354, USA; (F.L.M.); (E.H.H.); (C.E.H.); (P.J.)
| | - Enette Larson-Meyer
- Human Nutrition, Foods, and Exercise Virginia Tech, Blacksburg, VA 24061, USA;
| | - Michael Orlich
- School of Medicine, Loma Linda University, Loma Linda, CA 92354, USA;
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41
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Skurk T, Bosy-Westphal A, Grünerbel A, Kabisch S, Keuthage W, Kronsbein P, Müssig K, Pfeiffer AFH, Simon MC, Tombek A, Weber KS, Rubin D. Empfehlungen zur Ernährung von Personen mit Typ-2-Diabetes mellitus. DIABETOL STOFFWECHS 2021. [DOI: 10.1055/a-1543-1293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Thomas Skurk
- ZIEL- Institute for Food & Health, Technische Universität München, Freising
- Else Kröner-Fresenius-Zentrum für Ernährungsmedizin, Technische Universität München, Freising
| | - Anja Bosy-Westphal
- Institut für Humanernährung, Agrar- und Ernährungswissenschaftliche Fakultät, Christian-Albrechts-Universität zu Kiel, Kiel
| | | | - Stefan Kabisch
- Abt. Endokrinologie, Diabetes und Ernährungsmedizin, Charité Universitätsmedizin Berlin, Berlin
- Deutsche Zentrum für Diabetesforschung (DZD), München
| | | | - Peter Kronsbein
- Fachbereich Oecotrophologie, Hochschule Niederrhein, Campus Mönchengladbach
| | - Karsten Müssig
- Klinik für Innere Medizin und Gastroenterologie, Niels-Stensen-Kliniken, Franziskus-Hospital Harderberg, Georgsmarienhütte
| | - Andreas F. H. Pfeiffer
- Abt. Endokrinologie, Diabetes und Ernährungsmedizin, Charité Universitätsmedizin Berlin, Berlin
| | - Marie-Christine Simon
- Institut für Ernährungs- und Lebensmittelwissenschaften, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn
| | | | - Katharina S. Weber
- Institut für Epidemiologie, Christian-Albrechts-Universität zu Kiel, Kiel
| | - Diana Rubin
- Vivantes Klinikum Spandau, Berlin
- Vivantes Humboldt Klinikum, Berlin
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Howard PH, Ajena F, Yamaoka M, Clarke A. “Protein” Industry Convergence and Its Implications for Resilient and Equitable Food Systems. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2021. [DOI: 10.3389/fsufs.2021.684181] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Recent years have seen the convergence of industries that focus on higher protein foods, such as meat processing firms expanding into plant-based substitutes and/or cellular meat production, and fisheries firms expanding into aquaculture. A driving force behind these changes is dominant firms seeking to increase their power relative to close competitors, including by extending beyond boundaries that pose constraints to growth. The broad banner of “protein” offers a promising space to achieve this goal, despite its nutritionally reductionist focus on a single macronutrient. Protein firm strategies to increase their dominance are likely to further diminish equity in food systems by exacerbating power asymmetries. In addition, the resilience of food systems has the potential to be weakened as these strategies tend to reduce organizational diversity, as well as the genetic diversity of livestock and crops. To better understand these changes, we visually characterize firms that are most dominant in higher protein food industries globally and their recent strategic moves. We discuss the likelihood for these trends to further jeopardize food system resilience and equity, and we make recommendations for avoiding these impacts.
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Nutritional marketing of plant-based meat-analogue products: an exploratory study of front-of-pack and website claims in the USA. Public Health Nutr 2021; 24:4430-4441. [PMID: 34176542 DOI: 10.1017/s1368980021002792] [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: 02/07/2023]
Abstract
OBJECTIVE To explore how some of the largest food companies involved in producing alternative proteins (AP) use health and nutrition claims to market their products. DESIGN We identified the largest food manufacturers, meat processors and AP companies selling plant-based AP products in the USA. Using publicly available data, we analysed the voluntary health and nutrition claims made on front-of-pack labels (FOPL) and company webpages. We also analysed company websites for further nutrition and health-related statements about their products or AP more generally. Claim classification was guided by the INFORMAS (International Network for Food and Obesity/Non-Communicable Diseases Research, Monitoring, and Action Support) taxonomy for health-related food labelling. SETTING USA. PARTICIPANTS Not applicable. RESULTS 1394 health and nutrition-related FOPL claims were identified on 216 products, including 685 nutrition claims and 709 'other health-related' claims. No FOPL health claims were identified. Most nutrient claims were for nutrients associated with meat, with 94 % of products carrying a protein claim and 30 % carrying a cholesterol claim. 74 % of products carried a GMO-free claim, and 63 % carried a plant-based claim. On their websites, some companies expanded on these claims or discussed the health benefits of specific ingredients. CONCLUSIONS Companies involved in this category appear to be using nutritional marketing primarily to position their products in relation to meat. There is a focus on nutrient and ingredient claims, with discussion of processing largely avoided. The findings highlight the challenges companies face in positioning AP products as healthy against the backdrop of debates about ultra-processed foods.
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Vogtschmidt YD, Raben A, Faber I, de Wilde C, Lovegrove JA, Givens DI, Pfeiffer AFH, Soedamah-Muthu SS. Is protein the forgotten ingredient: Effects of higher compared to lower protein diets on cardiometabolic risk factors. A systematic review and meta-analysis of randomised controlled trials. Atherosclerosis 2021; 328:124-135. [PMID: 34120735 DOI: 10.1016/j.atherosclerosis.2021.05.011] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 04/25/2021] [Accepted: 05/19/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND AND AIMS Higher protein (HP) diets may lead to lower cardiometabolic risk, compared to lower protein (LP) diets. This systematic review and meta-analysis aims to investigate the effects of HP versus LP diets on cardiometabolic risk factors in adults, using the totality of the current evidence from randomised controlled trials (RCTs). METHODS Systematic searches were conducted in electronic databases, up to November 2020. Random effects meta-analyses were conducted to pool the standardised mean differences (SMD) and 95% confidence intervals (CI). The main outcomes were weight loss, body mass index (BMI), waist circumference, fat mass, systolic and diastolic BP, total cholesterol, HDL-and LDL-cholesterol, triacylglycerol, fasting glucose and insulin, and glycated haemoglobin. RESULTS Fifty-seven articles reporting on 54 RCTs were included, involving 4344 participants (65% female, mean age: 46 (SD 10) years, mean BMI: 33 (SD 3) kg/m2), with a mean study duration of 18 weeks (range: 4 to 156 weeks). Compared to LP diets (range protein (E%):10-23%), HP diets (range protein (E%): 20-45%) led to more weight loss (SMD -0.13, 95% CI: -0.23, -0.03), greater reductions in fat mass (SMD -0.14, 95% CI: -0.24, -0.04), systolic BP (SMD -0.12, 95% CI: -0.21, -0.02), total cholesterol (SMD -0.11, 95% CI: -0.19, -0.02), triacylglycerol (SMD -0.22, 95% CI: -0.30, -0.14) and insulin (SMD -0.12, 95% CI: -0.22, -0.03). No significant differences were observed for the other outcomes. CONCLUSIONS Higher protein diets showed small, but favourable effects on weight loss, fat mass loss, systolic blood pressure, some lipid outcomes and insulin, compared to lower protein diets.
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Affiliation(s)
- Yakima D Vogtschmidt
- KingdomHugh Sinclair Unit of Human Nutrition, Department of Food and Nutritional Sciences, University of Reading, Whiteknights Campus, Harry Nursten Building, Reading RG6 6DZ, United Kingdom; Institute for Cardiovascular and Metabolic Research, University of Reading, Reading RG6 6DZ, United Kingdom; Institute for Food, Nutrition and Health, University of Reading, Reading RG6 6AR, United Kingdom.
| | - Anne Raben
- Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Rolighedsvej 30, 1958, Frederiksberg C, Denmark; Steno Diabetes Center Copenhagen (SDCC), Niels Steensens Vej 2, 2820, Gentofte, Denmark
| | - Ilona Faber
- Department of Food Science, University of Copenhagen, Rolighedsvej 26, 1958, Frederiksberg C, Denmark
| | - Claudia de Wilde
- Center of Research on Psychological and Somatic disorders (CoRPS), Department of Medical and Clinical Psychology, Tilburg University, 5000, LE Tilburg, the Netherlands
| | - Julie A Lovegrove
- KingdomHugh Sinclair Unit of Human Nutrition, Department of Food and Nutritional Sciences, University of Reading, Whiteknights Campus, Harry Nursten Building, Reading RG6 6DZ, United Kingdom; Institute for Cardiovascular and Metabolic Research, University of Reading, Reading RG6 6DZ, United Kingdom; Institute for Food, Nutrition and Health, University of Reading, Reading RG6 6AR, United Kingdom
| | - D Ian Givens
- Institute for Cardiovascular and Metabolic Research, University of Reading, Reading RG6 6DZ, United Kingdom; Institute for Food, Nutrition and Health, University of Reading, Reading RG6 6AR, United Kingdom
| | - Andreas F H Pfeiffer
- German Center for Diabetes Research, Partner Potsdam, Berlin, Germany; Department of Endocrinology, Diabetes and Nutrition, Campus Benjamin Franklin, Charité University of Medicine, 12200, Berlin, Germany
| | - Sabita S Soedamah-Muthu
- Institute for Food, Nutrition and Health, University of Reading, Reading RG6 6AR, United Kingdom; Center of Research on Psychological and Somatic disorders (CoRPS), Department of Medical and Clinical Psychology, Tilburg University, 5000, LE Tilburg, the Netherlands
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45
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Bustamante-Marin XM, Merlino JL, Devericks E, Carson MS, Hursting SD, Stewart DA. Mechanistic Targets and Nutritionally Relevant Intervention Strategies to Break Obesity-Breast Cancer Links. Front Endocrinol (Lausanne) 2021; 12:632284. [PMID: 33815289 PMCID: PMC8011316 DOI: 10.3389/fendo.2021.632284] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 02/17/2021] [Indexed: 12/29/2022] Open
Abstract
The worldwide prevalence of overweight and obesity has tripled since 1975. In the United States, the percentage of adults who are obese exceeds 42.5%. Individuals with obesity often display multiple metabolic perturbations, such as insulin resistance and persistent inflammation, which can suppress the immune system. These alterations in homeostatic mechanisms underlie the clinical parameters of metabolic syndrome, an established risk factor for many cancers, including breast cancer. Within the growth-promoting, proinflammatory milieu of the obese state, crosstalk between adipocytes, immune cells and breast epithelial cells occurs via obesity-associated hormones, angiogenic factors, cytokines, and other mediators that can enhance breast cancer risk and/or progression. This review synthesizes evidence on the biological mechanisms underlying obesity-breast cancer links, with emphasis on emerging mechanism-based interventions in the context of nutrition, using modifiable elements of diet alone or paired with physical activity, to reduce the burden of obesity on breast cancer.
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Affiliation(s)
| | - Jenna L. Merlino
- Department of Nutrition, University of North Carolina, Chapel Hill, NC, United States
| | - Emily Devericks
- Department of Nutrition, University of North Carolina, Chapel Hill, NC, United States
| | - Meredith S. Carson
- Department of Nutrition, University of North Carolina, Chapel Hill, NC, United States
| | - Stephen D. Hursting
- Department of Nutrition, University of North Carolina, Chapel Hill, NC, United States
- Nutrition Research Institute, University of North Carolina, Kannapolis, NC, United States
| | - Delisha A. Stewart
- Department of Nutrition, University of North Carolina, Chapel Hill, NC, United States
- Nutrition Research Institute, University of North Carolina, Kannapolis, NC, United States
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Pini T, Raubenheimer D, Simpson SJ, Crean AJ. Obesity and Male Reproduction; Placing the Western Diet in Context. Front Endocrinol (Lausanne) 2021; 12:622292. [PMID: 33776921 PMCID: PMC7991841 DOI: 10.3389/fendo.2021.622292] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 02/01/2021] [Indexed: 12/15/2022] Open
Abstract
There is mounting evidence that obesity has negative repercussions for reproductive physiology in males. Much of this evidence has accumulated from rodent studies employing diets high in fat and sugar ("high fat" or "western" diets). While excessive fats and carbohydrates have long been considered major determinants of diet induced obesity, a growing body of research suggests that the relationships between diet composition and obesity are more complex than originally thought, involving interactions between dietary macronutrients. However, rodent dietary models have yet to evolve to capture this, instead relying heavily on elevated levels of a single macronutrient. While this approach has highlighted important effects of obesity on male reproduction, it does not allow for interpretation of the complex, interacting effects of dietary protein, carbohydrate and fat. Further, the single nutrient approach limits the ability to draw conclusions about which diets best support reproductive function. Nutritional Geometry offers an alternative approach, assessing outcomes of interest over an extended range of dietary macronutrient compositions. This review explores the practical application of Nutritional Geometry to study the effects of dietary macronutrient balance on male reproduction, including experimental considerations specific to studies of diet and reproductive physiology. Finally, this review discusses the promising use of Nutritional Geometry in the development of evidence-based pre-conception nutritional guidance for men.
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Affiliation(s)
| | | | | | - Angela J. Crean
- Charles Perkins Centre, School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, Australia
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Benchikh Y, Filali A, Rebai S. Modeling and optimizing the phycocyanins extraction from
Arthrospira platensis
(
Spirulina
) algae and preliminary supplementation assays in soft beverage as natural colorants and antioxidants. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.15170] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Yassine Benchikh
- Laboratoire de Biochimie Appliquée Faculté des Sciences de la Nature et de la Vie Université de Bejaia Bejaia Algeria
- Département de Biotechnologie Institut de la Nutrition de l’Alimentation et des Technologies Agro‑Alimentaires (INATAA) Université Frères Mentouri‐Constantine 1 Constantine Algeria
| | - Aicha Filali
- Département de Biotechnologie Institut de la Nutrition de l’Alimentation et des Technologies Agro‑Alimentaires (INATAA) Université Frères Mentouri‐Constantine 1 Constantine Algeria
| | - Sarra Rebai
- Département de Biotechnologie Institut de la Nutrition de l’Alimentation et des Technologies Agro‑Alimentaires (INATAA) Université Frères Mentouri‐Constantine 1 Constantine Algeria
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Fernández-Mincone T, Contreras-Briceño F, Espinosa-Ramírez M, García-Valdés P, López-Fuenzalida A, Riquelme A, Arab JP, Cabrera D, Arrese M, Barrera F. Nonalcoholic fatty liver disease and sarcopenia: pathophysiological connections and therapeutic implications. Expert Rev Gastroenterol Hepatol 2020; 14:1141-1157. [PMID: 32811209 DOI: 10.1080/17474124.2020.1810563] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Nonalcoholic fatty liver disease (NAFLD) is currently one of the most common liver diseases worldwide. Recent data suggest that loss of skeletal muscle mass and function (i.e. sarcopenia) is highly prevalent and frequently overlooked in NAFLD patients. Experimental and clinical data suggest that the relationship between NAFLD and sarcopenia is pathophysiologically complex and bi-directional and there is a growing interest in unveiling how sarcopenia could influence NAFLD development and progression. AREAS COVERED PubMed/MEDLINE was searched for articles related to concomitant occurrence of NAFLD and sarcopenia between January 2013 and April 2020. Areas covered in this review include: (1) updated sarcopenia diagnosis strategy, (2) discussion of current data on pathophysiological connections between NAFLD and sarcopenia, and (3) analysis of current and future therapeutic implications of this knowledge. EXPERT OPINION Clinical studies describe a consistent association between NAFLD and sarcopenia, although a cause-effect relation remains to be determined. Active implementation of current diagnosis algorithms and optimized treatment can prevent sarcopenia related complications in subjects with NAFLD. Pathogenic pathways implicated in this relation are multiple and complex, a better understanding of them can provide novel biomarkers and targeted therapies that will hopefully have an important impact in NAFLD management.
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Affiliation(s)
- Tiziana Fernández-Mincone
- Laboratorio de Fisiología del Ejercicio, Departamento Ciencias de la Salud, Facultad de Medicina, Pontificia Universidad Católica de Chile , Santiago, Chile
| | - Felipe Contreras-Briceño
- Laboratorio de Fisiología del Ejercicio, Departamento Ciencias de la Salud, Facultad de Medicina, Pontificia Universidad Católica de Chile , Santiago, Chile
| | - Maximiliano Espinosa-Ramírez
- Laboratorio de Fisiología del Ejercicio, Departamento Ciencias de la Salud, Facultad de Medicina, Pontificia Universidad Católica de Chile , Santiago, Chile
| | - Patricio García-Valdés
- Laboratorio de Fisiología del Ejercicio, Departamento Ciencias de la Salud, Facultad de Medicina, Pontificia Universidad Católica de Chile , Santiago, Chile
| | - Antonio López-Fuenzalida
- Laboratorio de Fisiología del Ejercicio, Departamento Ciencias de la Salud, Facultad de Medicina, Pontificia Universidad Católica de Chile , Santiago, Chile
| | - Arnoldo Riquelme
- Departamento Ciencias de la Salud, Facultad de Medicina, Pontificia Universidad Católica de Chile , Santiago, Chile.,Departamento de Gastroenterología, Facultad de Medicina, Pontificia Universidad Católica de Chile , Santiago, Chile
| | - Juan Pablo Arab
- Departamento de Gastroenterología, Facultad de Medicina, Pontificia Universidad Católica de Chile , Santiago, Chile.,Centro de Envejecimiento y Regeneración (CARE), Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile , Santiago, Chile
| | - Daniel Cabrera
- Departamento de Gastroenterología, Facultad de Medicina, Pontificia Universidad Católica de Chile , Santiago, Chile.,Facultad de Ciencias Médicas, Universidad Bernardo O Higgins , Santiago, Chile
| | - Marco Arrese
- Departamento de Gastroenterología, Facultad de Medicina, Pontificia Universidad Católica de Chile , Santiago, Chile.,Centro de Envejecimiento y Regeneración (CARE), Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile , Santiago, Chile
| | - Francisco Barrera
- Departamento de Gastroenterología, Facultad de Medicina, Pontificia Universidad Católica de Chile , Santiago, Chile
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Abstract
PURPOSE OF REVIEW High-protein intake is commonly recommended to help people manage body weight. However, high-protein intake could have adverse health consequences. Here we review the latest findings concerning the effect of high-protein intake on cardiometabolic health. RECENT FINDINGS Calorie-reduced, high-protein, low-carbohydrate diets lower plasma glucose in people with type 2 diabetes (T2D). However, when carbohydrate intake is not markedly reduced, high-protein intake often does not alter plasma glucose and increases insulin and glucagon concentrations, which are risk factors for T2D and ischemic heart disease. High-protein intake does not alter plasma triglyceride and cholesterol concentrations but promotes atherogenesis in animal models. The effect of high-protein intake on liver fat remains unclear. In population studies, high-protein intake is associated with increased risk for T2D, nonalcoholic fatty liver disease, and possibly cardiovascular diseases. SUMMARY The relationship between protein intake and cardiometabolic health is complex and influenced by concomitant changes in body weight and overall diet composition. Although a high-protein, low-carbohydrate, reduced-energy diet can have beneficial effects on body weight and plasma glucose, habitual high-protein intake, without marked carbohydrate and energy restriction, is associated with increased cardiometabolic disease risk, presumably mediated by the changes in the hormonal milieu after high-protein intake.
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Affiliation(s)
- Alan Fappi
- Center for Human Nutrition, Washington University School of Medicine, St. Louis, Missouri, USA
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50
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Nutrient-dense protein as a primary dietary strategy in healthy ageing: please sir, may we have more? Proc Nutr Soc 2020; 80:264-277. [PMID: 33050965 DOI: 10.1017/s0029665120007892] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A progressive decrement in muscle mass and muscle function, sarcopoenia, accompanies ageing. The loss of skeletal muscle mass and function is the main feature of sarcopoenia. Preventing the loss of muscle mass is relevant since sarcopoenia can have a significant impact on mobility and the quality of life of older people. Dietary protein and physical activity have an essential role in slowing muscle mass loss and helping to maintain muscle function. However, the current recommendations for daily protein ingestion for older persons appear to be too low and are in need of adjustment. In this review, we discuss the skeletal muscle response to protein ingestion, and review the data examining current dietary protein recommendations in the older subjects. Furthermore, we review the concept of protein quality and the important role that nutrient-dense protein (NDP) sources play in meeting overall nutrient requirements and improving dietary quality. Overall, the current evidence endorses an increase in the daily ingestion of protein with emphasis on the ingestion of NDP choices by older adults.
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