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Liu Q, Wang M, Hou Y, Chen R, Liu H, Han T, Liu D. Deciphering the multifaceted effects of artificial sweeteners on body health and metabolic functions: a comprehensive review and future perspectives. Crit Rev Food Sci Nutr 2024:1-23. [PMID: 39368060 DOI: 10.1080/10408398.2024.2411410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/07/2024]
Abstract
As the rates of chronic diseases such as obesity and diabetes rise worldwide, there is a growing demand for low-calorie or no-calorie sweeteners to reduce sugar intake without sacrificing the sweetness of foods and beverages. Artificial sweeteners have become indispensable as substitutes for sugar due to their high sweetening power and low impact on blood sugar levels and are used in a variety of low-calorie foods and beverages. Although artificial sweeteners offer an alternative for reducing sugar intake while maintaining sweetness, research into their long-term health effects, particularly at high doses, is ongoing, further scientific research and regulatory review are needed to clarify these potential health risks. This article reviews the latest research on the health effects of artificial sweeteners, based on recent studies, introduces the classification, performance, and safety standards for artificial sweeteners, analyses their potential harms to the nervous, immune, and circulatory systems, reproductive system, as well as their effects on gut microbiota, liver function, cancer, diabetes, and obesity. In addition, consumer perceptions of artificial sweeteners and future research directions are discussed, providing insights into current research controversies and knowledge gaps, as well as the health research and market application of artificial sweeteners.
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Affiliation(s)
- Qiang Liu
- College of Food Science and Engineering, Bohai University, Jinzhou, China
| | - Min Wang
- College of Food Science and Engineering, Bohai University, Jinzhou, China
| | - Yuting Hou
- College of Food Science and Engineering, Bohai University, Jinzhou, China
- Meat Innovation Center of Liaoning Province, Jinzhou, China
- Liaoning Kazuo Hybrid Wild Boar Science and Technology Backyard, Chaoyang, China
| | - Rui Chen
- College of Food Science and Engineering, Bohai University, Jinzhou, China
| | - Haixia Liu
- College of Food Science and Engineering, Bohai University, Jinzhou, China
| | - Tianlong Han
- College of Food Science and Engineering, Bohai University, Jinzhou, China
- Liaoning Kazuo Hybrid Wild Boar Science and Technology Backyard, Chaoyang, China
| | - Dengyong Liu
- College of Food Science and Engineering, Bohai University, Jinzhou, China
- Meat Innovation Center of Liaoning Province, Jinzhou, China
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Tretola M, Mazzoleni S, Bee G, Silacci P, Pinotti L. Replacing Cereal with Ultraprocessed Foods in Pig Diets Does Not Adverse Gut Microbiota, L-glutamate Uptake, or Serum Insulin. J Nutr 2024; 154:2717-2731. [PMID: 39084342 DOI: 10.1016/j.tjnut.2024.07.032] [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: 03/25/2024] [Revised: 07/15/2024] [Accepted: 07/24/2024] [Indexed: 08/02/2024] Open
Abstract
BACKGROUND Using ultraprocessed food (UPF) to replace traditional feed ingredients offers a promising strategy for enhancing food production sustainability. OBJECTIVE To analyze the impact of salty and sugary UPF on gut microbiota, amino acids uptake, and serum analytes in growing and finishing pig. METHODS Thirty-six Swiss Large White male castrated pigs were assigned to 3 experimental diets: 1) standard (ST), 0% UPF; 2) 30% conventional ingredients replaced by sugary (SU) UPF; and 3) 30% conventional ingredients replaced by salty (SA) UPF. The next-generation sequencing was used to characterize the fecal microbiota. Transepithelial electrical resistance and the active uptake of selected amino acids in pig jejuna were also evaluated. Data were enriched with measurements of fecal volatile fatty acids and serum urea, minerals, and insulin. All data analyses were run in R v4.0.3. The packages phyloseq, vegan, microbiome, and microbiomeutilities were used for microbiota data analysis. The remaining data were analyzed by analysis of variance using linear mixed-effects regression models. RESULTS The UPF did not affect fecal microbiota abundance or biodiversity. The Firmicutes to Bacteroidetes ratio remained unaffected. SU-induced increase in the Anaerostipes genus suggested altered glucose metabolism, whereas SA increased the abundance of CAG-352 and p-2534-18B. No effects on fecal volatile fatty acids were observed. Assumptions of UPF negatively affecting small intestinal physiology were not supported by the measurements of transepithelial electrical resistance in pigs. Active amino acids uptake tests showed potential decrease in L-glutamate absorption in the SA compared with the SU diet. Blood serum analysis indicated no adverse effects on urea, calcium, magnesium, or potassium concentration but the SU group resulted in a lower blood serum insulin concentration at the time of blood collection. CONCLUSIONS When incorporated at 30% into a standard growing finishing diet for pigs, UPF does not have detrimental effects on gut microbiota, intestinal integrity, and blood mineral homeostasis.
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Affiliation(s)
- Marco Tretola
- Swine Research Unit, Agroscope, Posieux, Switzerland.
| | - Sharon Mazzoleni
- Department of Veterinary Medicine and Animal Science, DIVAS, University of Milan, Lodi, Italy
| | - Giuseppe Bee
- Swine Research Unit, Agroscope, Posieux, Switzerland
| | - Paolo Silacci
- Animal Biology Group, Agroscope, Posieux, Switzerland
| | - Luciano Pinotti
- Department of Veterinary Medicine and Animal Science, DIVAS, University of Milan, Lodi, Italy; CRC I-WE, Coordinating Research Centre: Innovation for Well-Being and Environment, University of Milan, Milan, Italy
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Midani FS, Danhof HA, Mathew N, Ardis CK, Garey KW, Spinler JK, Britton RA. Emerging Clostridioides difficile ribotypes have divergent metabolic phenotypes. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.08.15.608124. [PMID: 39185189 PMCID: PMC11343193 DOI: 10.1101/2024.08.15.608124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 08/27/2024]
Abstract
Clostridioides difficile is a gram-positive spore-forming pathogen that commonly causes diarrheal infections in the developed world. Although C. difficile is a genetically diverse species, certain ribotypes are overrepresented in human infections. It is unknown if metabolic adaptations are essential for the emergence of these epidemic ribotypes. Here, we tested carbon substrate utilization by 88 C. difficile isolates and looked for differences in growth between 22 ribotypes. By profiling clinical isolates, we assert that C. difficile is a generalist species capable of growing on a variety of carbon substrates. Further, C. difficile strains clustered by phylogenetic relationship and displayed ribotype-specific and clade-specific metabolic capabilities. Surprisingly, we observed that two emerging lineages, ribotypes 023 and 255, have divergent metabolic phenotypes. In addition, although C. difficile Clade 5 is the most evolutionary distant clade and often detected in animals, it displayed more robust growth on simple dietary sugars than Clades 1-4. Altogether, our results corroborate the generalist metabolic strategy of C. difficile and demonstrate lineage-specific metabolic capabilities. In addition, our approach can be adapted to the study of additional pathogens to ascertain their metabolic niches in the gut. IMPORTANCE The gut pathogen Clostridioides difficile utilizes a wide range of carbon sources. Microbial communities can be rationally designed to combat C. difficile by depleting its preferred nutrients in the gut. However, C. difficile is genetically diverse with hundreds of identified ribotypes and most of its metabolic studies were performed with lab-adapted strains. Here, we profiled carbon metabolism by a myriad of C. difficile clinical isolates. While the metabolic capabilities of these isolates clustered by their genetic lineage, we observed surprising metabolic divergence between two emerging lineages. We also found that the most genetically distant clade grew robustly on simple dietary sugars, posing intriguing questions about the adaptation of C. difficile to the human gut. Altogether, our results underscore the importance of considering the metabolic diversity of pathogens in the study of their evolution and the rational design of therapeutic interventions.
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Quero J, Paesa M, Morales C, Mendoza G, Osada J, Teixeira JA, Ferreira-Santos P, Rodríguez-Yoldi MJ. Biological Properties of Boletus edulis Extract on Caco-2 Cells: Antioxidant, Anticancer, and Anti-Inflammatory Effects. Antioxidants (Basel) 2024; 13:908. [PMID: 39199154 PMCID: PMC11352050 DOI: 10.3390/antiox13080908] [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: 06/12/2024] [Revised: 07/12/2024] [Accepted: 07/24/2024] [Indexed: 09/01/2024] Open
Abstract
Boletus edulis (BE) is a mushroom well known for its taste, nutritional value, and medicinal properties. The objective of this work was to study the biological effects of BE extracts on human colon carcinoma cells (Caco-2), evaluating parameters related to oxidative stress and inflammation. In this study, a hydroethanolic extract of BE was obtained by ohmic heating green technology. The obtained BE extracts are mainly composed of sugars (mainly trehalose), phenolic compounds (taxifolin, rutin, and ellagic acid), and minerals (K, P, Mg, Na, Ca, Zn, Se, etc.). The results showed that BE extracts were able to reduce cancer cell proliferation by the induction of cell cycle arrest at the G0/G1 stage, as well as cell death by autophagy and apoptosis, the alteration of mitochondrial membrane potential, and caspase-3 activation. The extracts modified the redox balance of the cell by increasing the ROS levels associated with a decrease in the thioredoxin reductase activity. Similarly, BE extracts attenuated Caco-2 inflammation by reducing both iNOS and COX-2 mRNA expression and COX-2 protein expression. In addition, BE extracts protected the intestine from the oxidative stress induced by H2O2. Therefore, this study provides information on the potential use of BE bioactive compounds as anticancer therapeutic agents and as functional ingredients to prevent oxidative stress in the intestinal barrier.
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Affiliation(s)
- Javier Quero
- Department of Pharmacology and Physiology, Forensic and Legal Medicine, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain; (J.Q.); (C.M.); (G.M.)
| | - Mónica Paesa
- Department of Chemical Engineering, University of Zaragoza, Campus Río Ebro-Edificio I+D, C/Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain;
- Institute of Nanoscience and Materials of Aragon (INMA), CSIC-University of Zaragoza, 50009 Zaragoza, Spain
- Aragon Health Research Institute (IIS Aragon), 50009 Zaragoza, Spain
| | - Carmen Morales
- Department of Pharmacology and Physiology, Forensic and Legal Medicine, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain; (J.Q.); (C.M.); (G.M.)
| | - Gracia Mendoza
- Department of Pharmacology and Physiology, Forensic and Legal Medicine, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain; (J.Q.); (C.M.); (G.M.)
- Aragon Health Research Institute (IIS Aragon), 50009 Zaragoza, Spain
| | - Jesús Osada
- Department of Biochemistry and Molecular Cell Biology, Veterinary Faculty, University of Zaragoza, 50009 Zaragoza, Spain;
- CIBERobn, ISCIII, IIS Aragón, IA2, 50009 Zaragoza, Spain
| | - José António Teixeira
- CEB-Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal;
- LABBELS—Associate Laboratory, Braga/Guimarães, 4710-057 Braga, Portugal
| | - Pedro Ferreira-Santos
- Department of Chemical Engineering, Faculty of Science, University of Vigo, 32004 Ourense, Spain
- IAA—Instituto de Agroecoloxía e Alimentación, University of Vigo (Campus Auga), As Lagoas, 32004 Ourense, Spain
| | - María Jesús Rodríguez-Yoldi
- Department of Pharmacology and Physiology, Forensic and Legal Medicine, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain; (J.Q.); (C.M.); (G.M.)
- CIBERobn, ISCIII, IIS Aragón, IA2, 50009 Zaragoza, Spain
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Kraak VI, Leary NA. Government Policies to Reduce Free or Added Sugars and Use Nonsugar Sweeteners Should Support Plant-Rich Dietary Patterns, a Healthy Microbiome and Planetary Health. Curr Dev Nutr 2024; 8:103788. [PMID: 39055241 PMCID: PMC11269773 DOI: 10.1016/j.cdnut.2024.103788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 05/17/2024] [Accepted: 05/20/2024] [Indexed: 07/27/2024] Open
Affiliation(s)
- Vivica I Kraak
- From the Department of Human Nutrition, Foods, and Exercise, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, VA, United States
| | - Nicole A Leary
- From the Department of Human Nutrition, Foods, and Exercise, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, VA, United States
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Ignatiou A, Pitsouli C. Host-diet-microbiota interplay in intestinal nutrition and health. FEBS Lett 2024. [PMID: 38946050 DOI: 10.1002/1873-3468.14966] [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: 04/21/2024] [Accepted: 06/11/2024] [Indexed: 07/02/2024]
Abstract
The intestine is populated by a complex and dynamic assortment of microbes, collectively called gut microbiota, that interact with the host and contribute to its metabolism and physiology. Diet is considered a key regulator of intestinal microbiota, as ingested nutrients interact with and shape the resident microbiota composition. Furthermore, recent studies underscore the interplay of dietary and microbiota-derived nutrients, which directly impinge on intestinal stem cells regulating their turnover to ensure a healthy gut barrier. Although advanced sequencing methodologies have allowed the characterization of the human gut microbiome, mechanistic studies assessing diet-microbiota-host interactions depend on the use of genetically tractable models, such as Drosophila melanogaster. In this review, we first discuss the similarities between the human and fly intestines and then we focus on the effects of diet and microbiota on nutrient-sensing signaling cascades controlling intestinal stem cell self-renewal and differentiation, as well as disease. Finally, we underline the use of the Drosophila model in assessing the role of microbiota in gut-related pathologies and in understanding the mechanisms that mediate different whole-body manifestations of gut dysfunction.
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Affiliation(s)
- Anastasia Ignatiou
- Department of Biological Sciences, University of Cyprus, Nicosia, Cyprus
| | - Chrysoula Pitsouli
- Department of Biological Sciences, University of Cyprus, Nicosia, Cyprus
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Pupyshev AB, Akopyan AA, Tenditnik MV, Ovsyukova MV, Dubrovina NI, Belichenko VM, Korolenko TA, Zozulya SA, Klyushnik TP, Tikhonova MA. Alimentary Treatment with Trehalose in a Pharmacological Model of Alzheimer's Disease in Mice: Effects of Different Dosages and Treatment Regimens. Pharmaceutics 2024; 16:813. [PMID: 38931934 PMCID: PMC11207537 DOI: 10.3390/pharmaceutics16060813] [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: 05/14/2024] [Revised: 06/12/2024] [Accepted: 06/14/2024] [Indexed: 06/28/2024] Open
Abstract
In the treatment of experimental neurodegeneration with disaccharide trehalose, various regimens are used, predominantly a 2% solution, drunk for several weeks. We studied the effects of different regimens of dietary trehalose treatment in an amyloid-β (Aβ) 25-35-induced murine model of Alzheimer's disease (AD). Aβ-treated mice received 2% trehalose solution daily, 4% trehalose solution daily (continuous mode) or every other day (intermittent mode), to drink for two weeks. We revealed the dose-dependent effects on autophagy activation in the frontal cortex and hippocampus, and the restoration of behavioral disturbances. A continuous intake of 4% trehalose solution caused the greatest activation of autophagy and the complete recovery of step-through latency in the passive avoidance test that corresponds to associative long-term memory and learning. This regimen also produced an anxiolytic effect in the open field. The effects of all the regimens studied were similar in Aβ load, neuroinflammatory response, and neuronal density in the frontal cortex and hippocampus. Trehalose successfully restored these parameters to the levels of the control group. Thus, high doses of trehalose had increased efficacy towards cognitive impairment in a model of early AD-like pathology. These findings could be taken into account for translational studies and the development of clinical approaches for AD therapy using trehalose.
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Affiliation(s)
- Alexander B. Pupyshev
- Laboratory of the Neurobiological Mechanisms of Neurodegenerative Processes, Department of Experimental Neuroscience, Scientific Research Institute of Neurosciences and Medicine (SRINM), 630017 Novosibirsk, Russia
| | - Anna A. Akopyan
- Laboratory of the Neurobiological Mechanisms of Neurodegenerative Processes, Department of Experimental Neuroscience, Scientific Research Institute of Neurosciences and Medicine (SRINM), 630017 Novosibirsk, Russia
| | - Michael V. Tenditnik
- Laboratory of the Neurobiological Mechanisms of Neurodegenerative Processes, Department of Experimental Neuroscience, Scientific Research Institute of Neurosciences and Medicine (SRINM), 630017 Novosibirsk, Russia
| | - Marina V. Ovsyukova
- Laboratory of the Neurobiological Mechanisms of Neurodegenerative Processes, Department of Experimental Neuroscience, Scientific Research Institute of Neurosciences and Medicine (SRINM), 630017 Novosibirsk, Russia
| | - Nina I. Dubrovina
- Laboratory of the Neurobiological Mechanisms of Neurodegenerative Processes, Department of Experimental Neuroscience, Scientific Research Institute of Neurosciences and Medicine (SRINM), 630017 Novosibirsk, Russia
| | - Victor M. Belichenko
- Laboratory of the Neurobiological Mechanisms of Neurodegenerative Processes, Department of Experimental Neuroscience, Scientific Research Institute of Neurosciences and Medicine (SRINM), 630017 Novosibirsk, Russia
| | - Tatiana A. Korolenko
- Laboratory of the Neurobiological Mechanisms of Neurodegenerative Processes, Department of Experimental Neuroscience, Scientific Research Institute of Neurosciences and Medicine (SRINM), 630017 Novosibirsk, Russia
| | | | | | - Maria A. Tikhonova
- Laboratory of the Neurobiological Mechanisms of Neurodegenerative Processes, Department of Experimental Neuroscience, Scientific Research Institute of Neurosciences and Medicine (SRINM), 630017 Novosibirsk, Russia
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Kingsley SF, Seo Y, Wood A, Wani KA, Gonzalez X, Irazoqui J, Finkel SE, Tissenbaum HA. Glucose-fed microbiota alters C. elegans intestinal epithelium and increases susceptibility to multiple bacterial pathogens. Sci Rep 2024; 14:13177. [PMID: 38849503 PMCID: PMC11161463 DOI: 10.1038/s41598-024-63514-w] [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: 11/27/2023] [Accepted: 05/29/2024] [Indexed: 06/09/2024] Open
Abstract
Overconsumption of dietary sugar can lead to many negative health effects including the development of Type 2 diabetes, metabolic syndrome, cardiovascular disease, and neurodegenerative disorders. Recently, the human intestinal microbiota, strongly associated with our overall health, has also been known to be affected by diet. However, mechanistic insight into the importance of the human intestinal microbiota and the effects of chronic sugar ingestion has not been possible largely due to the complexity of the human microbiome which contains hundreds of types of organisms. Here, we use an interspecies C. elegans/E. coli system, where E. coli are subjected to high sugar, then consumed by the bacterivore host C. elegans to become the microbiota. This glucose-fed microbiota results in a significant lifespan reduction accompanied by reduced healthspan (locomotion), reduced stress resistance, and changes in behavior and feeding. Lifespan reduction is also accompanied by two potential major contributors: increased intestinal bacterial density and increased concentration of reactive oxygen species. The glucose-fed microbiota accelerated the age-related development of intestinal cell permeability, intestinal distention, and dysregulation of immune effectors. Ultimately, the changes in the intestinal epithelium due to aging with the glucose-fed microbiota results in increased susceptibility to multiple bacterial pathogens. Taken together, our data reveal that chronic ingestion of sugar, such as a Western diet, has profound health effects on the host due to changes in the microbiota and may contribute to the current increased incidence of ailments including inflammatory bowel diseases as well as multiple age-related diseases.
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Affiliation(s)
- Samuel F Kingsley
- Department of Molecular, Cell and Cancer Biology, UMass Chan Medical School, Worcester, MA, 01605, USA
| | - Yonghak Seo
- Department of Molecular, Cell and Cancer Biology, UMass Chan Medical School, Worcester, MA, 01605, USA
| | - Alicia Wood
- Department of Molecular, Cell and Cancer Biology, UMass Chan Medical School, Worcester, MA, 01605, USA
| | - Khursheed A Wani
- Department of Microbiology and Physiological Systems, UMass Chan Medical School, Worcester, MA, 01605, USA
| | - Xavier Gonzalez
- Department of Microbiology and Physiological Systems, UMass Chan Medical School, Worcester, MA, 01605, USA
| | - Javier Irazoqui
- Department of Microbiology and Physiological Systems, UMass Chan Medical School, Worcester, MA, 01605, USA
| | - Steven E Finkel
- Molecular and Computational Biology Section, Department of Biological Sciences, University of Southern California, Los Angeles, CA, 90089-2910, USA
| | - Heidi A Tissenbaum
- Department of Molecular, Cell and Cancer Biology, UMass Chan Medical School, Worcester, MA, 01605, USA.
- Program in Molecular Medicine, UMass Chan Medical School, Worcester, MA, 01605, USA.
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Hallenbeck M, Chua M, Collins J. The role of the universal sugar transport system components PtsI (EI) and PtsH (HPr) in Enterococcus faecium. FEMS MICROBES 2024; 5:xtae018. [PMID: 38988831 PMCID: PMC11234649 DOI: 10.1093/femsmc/xtae018] [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: 03/13/2024] [Revised: 05/08/2024] [Accepted: 05/31/2024] [Indexed: 07/12/2024] Open
Abstract
Vancomycin-resistant enterococci (VRE) pose a serious threat to public health because of their limited treatment options. Therefore, there is an increasing need to identify novel targets to develop new drugs. Here, we examined the roles of the universal PTS components, PtsI and PtsH, in Enterococcus faecium to determine their roles in carbon metabolism, biofilm formation, stress response, and the ability to compete in the gastrointestinal tract. Clean deletion of ptsHI resulted in a significant reduction in the ability to import and metabolize simple sugars, attenuated growth rate, reduced biofilm formation, and decreased competitive fitness both in vitro and in vivo. However, no significant difference in stress survival was observed when compared with the wild type. These results suggest that targeting universal or specific PTS may provide a novel treatment strategy by reducing the fitness of E. faecium.
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Affiliation(s)
- Michelle Hallenbeck
- Department of Microbiology & Immunology, University of Louisville, Louisville, KY 40202, United States
- Center for Predictive Medicine, University of Louisville, Louisville, KY 40202, United States
| | - Michelle Chua
- Department of Microbiology & Immunology, University of Louisville, Louisville, KY 40202, United States
- Center for Predictive Medicine, University of Louisville, Louisville, KY 40202, United States
| | - James Collins
- Department of Microbiology & Immunology, University of Louisville, Louisville, KY 40202, United States
- Center for Predictive Medicine, University of Louisville, Louisville, KY 40202, United States
- Center for Microbiomics, Inflammation and Pathogenicity, University of Louisville, Louisville, KY 40202, United States
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Jeong GJ, Khan F, Tabassum N, Kim YM. Alteration of oral microbial biofilms by sweeteners. Biofilm 2024; 7:100171. [PMID: 38197082 PMCID: PMC10772577 DOI: 10.1016/j.bioflm.2023.100171] [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: 09/14/2023] [Revised: 11/14/2023] [Accepted: 12/11/2023] [Indexed: 01/11/2024] Open
Abstract
There is a growing interest in using sweeteners for taste improvement in the food and drink industry. Sweeteners were found to regulate the formation or dispersal of structural components of microbial biofilms. Dietary sugars may enhance biofilm formation and facilitate the development of antimicrobial resistance, which has become a major health issue worldwide. In contrast, bulk and non-nutritive sweeteners are also beneficial for managing microbial infections. This review discusses the clinical significance of oral biofilms formed upon the administration of nutritive and non-nutritive sweeteners. The underlying mechanism of action of sweeteners in the regulation of mono- or poly-microbial biofilm formation and destruction is comprehensively discussed. Bulk and non-nutritive sweeteners have also been used in conjunction with antimicrobial substances to reduce microbial biofilm formation. Formulations with bulk and non-nutritive sweeteners have been demonstrated to be particularly efficient in this regard. Finally, future perspectives with respect to advancing our understanding of mechanisms underlying biofilm regulation activities of sweeteners are presented as well. Several alternative strategies for the application of bulk sweeteners and non-nutritive sweeteners have been employed to control the biofilm-forming microbial pathogens. Gaining insight into the underlying mechanisms responsible for enhancing or inhibiting biofilm formation and virulence properties by both mono- and poly-microbial species in the presence of the sweetener is crucial for developing a therapeutic agent to manage microbial infections.
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Affiliation(s)
- Geum-Jae Jeong
- Department of Food Science and Technology, Pukyong National University, Busan, 48513, Republic of Korea
| | - Fazlurrahman Khan
- Institute of Fisheries Sciences, Pukyong National University, Busan, 48513, Republic of Korea
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, 48513, Republic of Korea
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, 48513, Republic of Korea
| | - Nazia Tabassum
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, 48513, Republic of Korea
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, 48513, Republic of Korea
| | - Young-Mog Kim
- Department of Food Science and Technology, Pukyong National University, Busan, 48513, Republic of Korea
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, 48513, Republic of Korea
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, 48513, Republic of Korea
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11
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Chen Y, Yang K, Xu M, Zhang Y, Weng X, Luo J, Li Y, Mao YH. Dietary Patterns, Gut Microbiota and Sports Performance in Athletes: A Narrative Review. Nutrients 2024; 16:1634. [PMID: 38892567 PMCID: PMC11175060 DOI: 10.3390/nu16111634] [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: 04/24/2024] [Revised: 05/17/2024] [Accepted: 05/22/2024] [Indexed: 06/21/2024] Open
Abstract
The intestinal tract of humans harbors a dynamic and complex bacterial community known as the gut microbiota, which plays a crucial role in regulating functions such as metabolism and immunity in the human body. Numerous studies conducted in recent decades have also highlighted the significant potential of the gut microbiota in promoting human health. It is widely recognized that training and nutrition strategies are pivotal factors that allow athletes to achieve optimal performance. Consequently, there has been an increasing focus on whether training and dietary patterns influence sports performance through their impact on the gut microbiota. In this review, we aim to present the concept and primary functions of the gut microbiota, explore the relationship between exercise and the gut microbiota, and specifically examine the popular dietary patterns associated with athletes' sports performance while considering their interaction with the gut microbiota. Finally, we discuss the potential mechanisms by which dietary patterns affect sports performance from a nutritional perspective, aiming to elucidate the intricate interplay among dietary patterns, the gut microbiota, and sports performance. We have found that the precise application of specific dietary patterns (ketogenic diet, plant-based diet, high-protein diet, Mediterranean diet, and high intake of carbohydrate) can improve vascular function and reduce the risk of illness in health promotion, etc., as well as promoting recovery and controlling weight with regard to improving sports performance, etc. In conclusion, although it can be inferred that certain aspects of an athlete's ability may benefit from specific dietary patterns mediated by the gut microbiota to some extent, further high-quality clinical studies are warranted to substantiate these claims and elucidate the underlying mechanisms.
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Affiliation(s)
- Yonglin Chen
- School of Exercise and Health, Guangzhou Sport University, Guangzhou 510500, China; (Y.C.); (K.Y.); (Y.Z.); (X.W.); (J.L.); (Y.L.)
| | - Keer Yang
- School of Exercise and Health, Guangzhou Sport University, Guangzhou 510500, China; (Y.C.); (K.Y.); (Y.Z.); (X.W.); (J.L.); (Y.L.)
| | - Mingxin Xu
- The Fifth College of Clinical Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510500, China;
| | - Yishuo Zhang
- School of Exercise and Health, Guangzhou Sport University, Guangzhou 510500, China; (Y.C.); (K.Y.); (Y.Z.); (X.W.); (J.L.); (Y.L.)
| | - Xiquan Weng
- School of Exercise and Health, Guangzhou Sport University, Guangzhou 510500, China; (Y.C.); (K.Y.); (Y.Z.); (X.W.); (J.L.); (Y.L.)
| | - Jiaji Luo
- School of Exercise and Health, Guangzhou Sport University, Guangzhou 510500, China; (Y.C.); (K.Y.); (Y.Z.); (X.W.); (J.L.); (Y.L.)
| | - Yanshuo Li
- School of Exercise and Health, Guangzhou Sport University, Guangzhou 510500, China; (Y.C.); (K.Y.); (Y.Z.); (X.W.); (J.L.); (Y.L.)
| | - Yu-Heng Mao
- School of Exercise and Health, Guangzhou Sport University, Guangzhou 510500, China; (Y.C.); (K.Y.); (Y.Z.); (X.W.); (J.L.); (Y.L.)
- Guangdong Key Laboratory of Human Sports Performance Science, Guangzhou 510500, China
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12
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Castro-Juárez CJ, Luna-Suárez S, de Fátima Rosas-Cárdenas F, Villa-Ruano N. Hernandulcin Production in Elicited Hairy Roots of Phyla scaberrima: Toward Sustainable Production of a Non-Caloric Sweetener with Nutraceutical Properties. Chem Biodivers 2024; 21:e202302095. [PMID: 38334300 DOI: 10.1002/cbdv.202302095] [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: 12/24/2023] [Revised: 02/08/2024] [Accepted: 02/09/2024] [Indexed: 02/10/2024]
Abstract
Herein we report on the generation of hairy root lines of P. scaberrima able to produce hernandulcin (HE), a non-caloric sweetener with nutraceutical properties. From ten different lines analyzed, three synthesized up to 100 mg ⋅ L-1 HE under the batch culture conditions standardized in this investigation. Adding elicitors (salicylic acid, chitin, Glucanex, polyethylene glycol) and biosynthetic precursors (farnesol and (+)-epi-alpha-bisabolol) significantly altered HE accumulation. Chitin and Glucanex enhanced HE production from 130 to 160 mg ⋅ L-1 , whereas farnesol and (+)-epi-alpha-bisabolol from 165 to 200 mg ⋅ L-1 without dependence on biomass accumulation. Improved batch cultures containing liquid Murashige & Skoog medium (MS; pH 7), added with 4 % sucrose, 0.5 mg ⋅ L-1 naphthaleneacetic acid, 100 mg ⋅ L-1 Glucanex, 150 mg ⋅ L-1 chitin, 250 mg ⋅ L-1 farnesol, and 150 mg ⋅ L-1 (+)-epi-alpha-bisabolol at 25 °C (12 h light/12 h darkness), triggered HE accumulation to 250 mg ⋅ L-1 in 25 days. The efficiency of each recombinant line is discussed.
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Affiliation(s)
- Carlos Jonnathan Castro-Juárez
- Centro de Investigación en Biotecnología Aplicada, Instituto Politécnico Nacional, Ex-Hacienda San Juan Molino Km 1.5., C.P., 90700, Tlaxcala, México
| | - Silvia Luna-Suárez
- Centro de Investigación en Biotecnología Aplicada, Instituto Politécnico Nacional, Ex-Hacienda San Juan Molino Km 1.5., C.P., 90700, Tlaxcala, México
| | - Flor de Fátima Rosas-Cárdenas
- Centro de Investigación en Biotecnología Aplicada, Instituto Politécnico Nacional, Ex-Hacienda San Juan Molino Km 1.5., C.P., 90700, Tlaxcala, México
| | - Nemesio Villa-Ruano
- CONAHCyT-Centro Universitario de Vinculación y Transferencia de Tecnología, Benemérita Universidad Autónoma de Puebla, Ciudad Universitaria, Puebla CP, 72570, México
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13
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Fagundes RR, Belt SC, Bakker BM, Dijkstra G, Harmsen HJM, Faber KN. Beyond butyrate: microbial fiber metabolism supporting colonic epithelial homeostasis. Trends Microbiol 2024; 32:178-189. [PMID: 37596118 DOI: 10.1016/j.tim.2023.07.014] [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: 05/19/2023] [Revised: 07/21/2023] [Accepted: 07/24/2023] [Indexed: 08/20/2023]
Abstract
Human gut bacteria produce metabolites that support energy and carbon metabolism of colonic epithelial cells. While butyrate is commonly considered the primary fuel, it alone cannot meet all the carbon requirements for cellular synthetic functions. Glucose, delivered via circulation or microbial metabolism, serves as a universal carbon source for synthetic processes like DNA, RNA, protein, and lipid production. Detailed knowledge of epithelial carbon and energy metabolism is particularly relevant for epithelial regeneration in digestive and metabolic diseases, such as inflammatory bowel disease and type 2 diabetes. Here, we review the production and role of different colonic microbial metabolites in energy and carbon metabolism of colonocytes, also critically evaluating the common perception that butyrate is the preferred fuel.
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Affiliation(s)
- Raphael R Fagundes
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Saskia C Belt
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Barbara M Bakker
- Laboratory of Pediatrics, Systems Medicine of Metabolism and Signaling, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Gerard Dijkstra
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Hermie J M Harmsen
- Department of Medical Microbiology and Infection prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Klaas Nico Faber
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
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14
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Mokhtari P, Holzhausen EA, Chalifour BN, Schmidt KA, Babaei M, Machle CJ, Adise S, Alderete TL, Goran MI. Associations between Dietary Sugar and Fiber with Infant Gut Microbiome Colonization at 6 Mo of Age. J Nutr 2024; 154:152-162. [PMID: 37717629 PMCID: PMC10808822 DOI: 10.1016/j.tjnut.2023.09.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 08/28/2023] [Accepted: 09/05/2023] [Indexed: 09/19/2023] Open
Abstract
BACKGROUND The taxonomic composition of the gut microbiome undergoes rapid development during the first 2-3 y of life. Poor diet during complementary feeding has been associated with alterations in infant growth and compromised bone, immune system, and neurodevelopment, but how it may affect gut microbial composition is unknown. OBJECTIVES This cross-sectional study aimed to examine the associations between early-life nutrition and the developing infant gut microbiota at 6 mo of age. METHODS Latino mother-infant pairs from the Mother's Milk Study (n = 105) were included. Infant gut microbiota and dietary intake were analyzed at 6 mo of age using 16S ribosomal RNA amplicon sequencing and 24-h dietary recalls, respectively. Poisson generalized linear regression analysis was performed to examine associations between dietary nutrients and microbial community abundance while adjusting for infants' mode of delivery, antibiotics, infant feeding type, time of introduction of solid foods, energy intake, and body weight. A P value of <0.05 was used to determine the statistical significance in the study. RESULTS Infants with higher consumption of total sugar exhibited a lower relative abundance of the genera Bacteroides (β = -0.01; 95% CI: -0.02, -0.00; P = 0.03) and genus Clostridium belonging to the Lachnospiraceae family (β = -0.02; 95% CI: -0.03, -0.00; P = 0.01). In addition, a higher intake of free sugar (which excludes sugar from milk, dairy, and whole fruit) was associated with several bacteria at the genus level, including Parabacteroides genus (β = 0.03; 95% CI: 0.01, 0.05; P = 0.001). Total insoluble fiber intake was associated with favorable bacteria at the genus level such as Faecalibacterium (β = 0.28; 95% CI: 0.03, 0.52; P = 0.02) and Coprococcus (β = 0.28; 95% CI: 0.02, 0.52; P = 0.03). CONCLUSION These findings demonstrate that early-life dietary intake at 6 mo impacts the developing gut microbiome associated with the presence of both unfavorable gut microbes and dietary fiber-associated commensal microbes.
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Affiliation(s)
- Pari Mokhtari
- Department of Pediatrics, The Saban Research Institute, Children's Hospital Los Angeles, Los Angeles, CA, United States
| | - Elizabeth A Holzhausen
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - Bridget N Chalifour
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - Kelsey A Schmidt
- Department of Pediatrics, The Saban Research Institute, Children's Hospital Los Angeles, Los Angeles, CA, United States
| | - Mahsa Babaei
- Department of Pediatrics, The Saban Research Institute, Children's Hospital Los Angeles, Los Angeles, CA, United States
| | - Christopher J Machle
- Department of Pediatrics, The Saban Research Institute, Children's Hospital Los Angeles, Los Angeles, CA, United States
| | - Shana Adise
- Department of Pediatrics, The Saban Research Institute, Children's Hospital Los Angeles, Los Angeles, CA, United States
| | - Tanya L Alderete
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, United States
| | - Michael I Goran
- Department of Pediatrics, The Saban Research Institute, Children's Hospital Los Angeles, Los Angeles, CA, United States.
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15
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Nolte S, Krüger K, Lenz C, Zentgraf K. Optimizing the Gut Microbiota for Individualized Performance Development in Elite Athletes. BIOLOGY 2023; 12:1491. [PMID: 38132317 PMCID: PMC10740793 DOI: 10.3390/biology12121491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 11/23/2023] [Accepted: 11/28/2023] [Indexed: 12/23/2023]
Abstract
The human gut microbiota can be compared to a fingerprint due to its uniqueness, hosting trillions of living organisms. Taking a sport-centric perspective, the gut microbiota might represent a physiological system that relates to health aspects as well as individualized performance in athletes. The athletes' physiology has adapted to their exceptional lifestyle over the years, including the diversity and taxonomy of the microbiota. The gut microbiota is influenced by several physiological parameters and requires a highly individual and complex approach to unravel the linkage between performance and the microbial community. This approach has been taken in this review, highlighting the functions that the microbial community performs in sports, naming gut-centered targets, and aiming for both a healthy and sustainable athlete and performance development. With this article, we try to consider whether initiating a microbiota analysis is practicable and could add value in elite sport, and what possibilities it holds when influenced through a variety of interventions. The aim is to support enabling a well-rounded and sustainable athlete and establish a new methodology in elite sport.
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Affiliation(s)
- Svenja Nolte
- Department of Exercise Physiology and Sports Therapy, Institute of Sports Science, University of Giessen, 35394 Giessen, Germany; (K.K.); (C.L.)
| | - Karsten Krüger
- Department of Exercise Physiology and Sports Therapy, Institute of Sports Science, University of Giessen, 35394 Giessen, Germany; (K.K.); (C.L.)
| | - Claudia Lenz
- Department of Exercise Physiology and Sports Therapy, Institute of Sports Science, University of Giessen, 35394 Giessen, Germany; (K.K.); (C.L.)
| | - Karen Zentgraf
- Department 5: Psychology & Sports Sciences, Institute for Sports Sciences, Goethe University Frankfurt, 60323 Frankfurt am Main, Germany;
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16
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Alasmar RM, Varadharajan K, Shanmugakonar M, Al-Naemi HA. Early-Life Sugar Consumption Affects the Microbiome in Juvenile Mice. Mol Nutr Food Res 2023; 67:e2200322. [PMID: 36156389 DOI: 10.1002/mnfr.202200322] [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: 05/17/2022] [Revised: 07/31/2022] [Indexed: 11/06/2022]
Abstract
SCOPE The composition of the gut microbiota is influenced by the dietary nutrient. Sugar has been linked with many metabolic health disorders such as heart disease, metabolic syndrome, and immune disorders. Long-term consumption of sugar influences the landscape of gut microbiota by altering the gut microbial population called dysbiosis. This study aims to evaluate the impact of long-term consumption of high sugar diet (HSD) on the diversity of gut microbiota. METHODS AND RESULTS CD1 mice are given high concentration of sugar for 15 weeks followed by a recovery period of 10 weeks. Real-time polymerase chain reaction and 16S rRNA next-generation sequencing methods employ to identify microbiome diversity. The results show that Firmicutes and Bacteroidetes are the predominant phyla in control, cecum, and fecal samples. Firmicutes population are gradually increased in treated samples even after the recovery period, whereas Bacteroidetes abundance slightly reduces throughout the study. CONCLUSION The present study shows that the impact of long period of high sugar diet consumption alters the diversity of normal gut flora which can be restored after 10 weeks of sugar withdrawal. This indicates that the intervention of healthy and nutritious diet influences gut microbes and this can be beneficial in reducing the implication of early life metabolic disorders such as obesity.
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Affiliation(s)
| | | | | | - Hamda A Al-Naemi
- Laboratory Animal Research Centre, Qatar University, Doha, Qatar
- Department of Biological and Environmental Sciences, Qatar University, Doha, Qatar
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17
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Kozlov A, Vershubskaya G, Gorin I, Petrushenko V, Lavryashina M, Balanovska E. Prevalence of genetically determined trehalase deficiency in populations of Siberia and Russian Far East. Int J Circumpolar Health 2023; 82:2183931. [PMID: 36880131 PMCID: PMC10013436 DOI: 10.1080/22423982.2023.2183931] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 02/20/2023] [Indexed: 03/08/2023] Open
Abstract
In order to be digested, the disaccharide trehalose needs to be cleaved by the trehalase enzyme. There were reports suggesting that trehalase deficiency was more common in high-latitude than in the temperate climate populations. New horizons were opened for the epidemiologic research of trehalase enzymopathy when it became clear that reduced trehalase activity is determined by the A allele of tTREH gene (rs2276064). The aim of this study was to analyze the frequencies of the trehalase gene alleles and genotypes among the indigenous peoples of Siberia and the Russian Far East. We genotyped 567 samples representing the indigenous peoples of Siberia and the Russian Far East and 146 samples representing Eastern Slavs as the reference dataset. We found that the frequencies of the A*TREH alleles increased to the east. The A*TREH allele frequency was 0.03 in the reference group, 0.13-0.26 in the North-West Siberian indigenous populations, 0.29-0.30 in the South Siberia, 0.43 in West Siberia, and 0.46 in the low Amur populations. The highest frequency of the A allele (0.63) was observed in the Chukchi and Koryak populations. From 1 to 5% of European origin individuals are at risk of trehalase enzymopathy. In the indigenous populations, the frequency of the A*TREH allele varies 13% to 63%, whereas the frequency of the AA*TREH genotype from 3% to 39%. Thus, the total risk of trehalase enzymopathy among the homo- and heterozygous carriers of the A*TREH allele in the studied indigenous populations may be as high as 24% to 86%.
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Affiliation(s)
- Andrey Kozlov
- International Laboratory for Social Integration Studies, National Research University - Higher School of Economics Russia, Moscow, Russia
- D.Anuchin Institute and Museum of Anthropology, Moscow State University, Moscow, Russia
| | - Galina Vershubskaya
- D.Anuchin Institute and Museum of Anthropology, Moscow State University, Moscow, Russia
| | - Igor Gorin
- Human Population Genetics Laboratory, Research Centre of Medical Genetics, Moscow, Russia
| | - Valeria Petrushenko
- Human Population Genetics Laboratory, Research Centre of Medical Genetics, Moscow, Russia
| | - Maria Lavryashina
- Department of Molecular and Cellular Biology, Kemerovo State Medical University, Kemerovo, Russia
| | - Elena Balanovska
- Human Population Genetics Laboratory, Research Centre of Medical Genetics, Moscow, Russia
- Biobank for the storage and scientific study of biological samples of the population of Northern Eurasia, Moscow, Russia
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18
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da Silva RM, Santos BN, da Silva Oliveira FA, Filho EGA, Fonteles TV, Campelo PH, Rodrigues S. Synbiotic Sapota-do-Solimões (Quararibea cordata Vischer) Juice Improves Gut Microbiota and Short-Chain Fatty Acid Production in an In Vitro Model. Probiotics Antimicrob Proteins 2023:10.1007/s12602-023-10178-z. [PMID: 37865950 DOI: 10.1007/s12602-023-10178-z] [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] [Accepted: 10/10/2023] [Indexed: 10/24/2023]
Abstract
Sapota-do-Solimões (Quararibea cordata Vischer) is Amazon South América fruit found in Brazil, Colombia, Ecuador, and Peru. The orange-yellow fruit is usually eaten out of hand or as juice. Despite being a source of carotenoids and dietary fibers (pectin) that can reach the colon and act as an energy source for intestinal microbiota, the fruit is rarely known outside of South America. The symbiotic juice was prepared by fermenting the fruit juice with Lacticaseibacillus casei B-442 and adding prebiotic fructooligosaccharides (FOS, 7% w/v). This study evaluated the functional juice immediately after L. casei fermentation (SSJ0) and after 30 days of cold storage (SSJ30) regarding its effect on human colonic microbiota composition after in vitro fermentation. Fecal samples were collected from two healthy female volunteers, and the 16s rRNA gene sequencing analyzed the fecal microbiota composition. In vitro, colonic fermentation was performed using a batch bioreactor to simulate gastrointestinal conditions. The L. casei viability did not change significantly after 30 days of the synbiotic juice cold storage (4 °C). After the colonic fermentation, the relative abundance of Firmicutes decreased while Proteobacteria and Actinobacteria increased. Regarding short-chain fatty acid (SCFA) production by fecal colonic microbiota, the butyric acid was higher after sample SSJ0 fecal fermentation. In contrast, propionic, isobutyric, and acetic acids were higher after SSJ30 sample fecal fermentation. This study contributes to understanding the interactions between specific foods and the gut microbiota, which can affect human health and well-being.
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Affiliation(s)
- Rhonyele Maciel da Silva
- Chemical Engineering Department, Federal University of Ceará, Campus do Pici, Bloco 709, CEP 60440-900, Fortaleza, CE, Brazil
| | - Brenda Novais Santos
- Chemical Engineering Department, Federal University of Ceará, Campus do Pici, Bloco 709, CEP 60440-900, Fortaleza, CE, Brazil
| | | | - Elenilson G Alves Filho
- Food Engineering Department, Federal University of Ceará, Campus do Pici, Bloco 858, CEP 60440-900, Fortaleza, CE, Brazil
| | - Thatyane Vidal Fonteles
- Food Engineering Department, Federal University of Ceará, Campus do Pici, Bloco 858, CEP 60440-900, Fortaleza, CE, Brazil
| | - Pedro Henrique Campelo
- Food Engineering Department, Federal University of Viçosa, Campus Universitário, CEP 36570-000, Viçosa, MG, Brazil
| | - Sueli Rodrigues
- Food Engineering Department, Federal University of Ceará, Campus do Pici, Bloco 858, CEP 60440-900, Fortaleza, CE, Brazil.
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19
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John HS, Doucet É, Power KA. Dietary pulses as a means to improve the gut microbiome, inflammation, and appetite control in obesity. Obes Rev 2023; 24:e13598. [PMID: 37395146 DOI: 10.1111/obr.13598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 02/16/2023] [Accepted: 06/01/2023] [Indexed: 07/04/2023]
Abstract
A dysbiotic intestinal microbiome has been linked to chronic diseases such as obesity, which may suggest that interventions that target the microbiome may be useful in treating obesity and its complications. Appetite dysregulation and chronic systemic low-grade inflammation, such as that observed in obesity, are possibly linked with the intestinal microbiome and are potential therapeutic targets for the treatment of obesity via the microbiome. Dietary pulses (e.g., common beans) are composed of nutrients and compounds that possess the potential to modulate the gut microbiota composition and function which can in turn improve appetite regulation and chronic inflammation in obesity. This narrative review summarizes the current state of knowledge regarding the connection between the gut microbiome and obesity, appetite regulation, and systemic and adipose tissue inflammation. More specifically, it highlights the efficacy of interventions employing dietary common beans as a means to improve gut microbiota composition and/or function, appetite regulation, and inflammation in both rodent obesity and in humans. Collectively, results presented and discussed herein provide insight on the gaps in knowledge necessary for a comprehensive understanding of the potential of beans as a treatment for obesity while highlighting what further research is required to gain this understanding.
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Affiliation(s)
- Hannah St John
- School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada
| | - Éric Doucet
- School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada
| | - Krista A Power
- School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada
- The Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
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20
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Guney C, Bal NB, Akar F. The impact of dietary fructose on gut permeability, microbiota, abdominal adiposity, insulin signaling and reproductive function. Heliyon 2023; 9:e18896. [PMID: 37636431 PMCID: PMC10447940 DOI: 10.1016/j.heliyon.2023.e18896] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 07/24/2023] [Accepted: 08/02/2023] [Indexed: 08/29/2023] Open
Abstract
The excessive intake of fructose in the regular human diet could be related to global increases in metabolic disorders. Sugar-sweetened soft drinks, mostly consumed by children, adolescents, and young adults, are the main source of added fructose. Dietary high-fructose can increase intestinal permeability and circulatory endotoxin by changing the gut barrier function and microbial composition. Excess fructose transports to the liver and then triggers inflammation as well as de novo lipogenesis leading to hepatic steatosis. Fructose also induces fat deposition in adipose tissue by stimulating the expression of lipogenic genes, thus causing abdominal adiposity. Activation of the inflammatory pathway by fructose in target tissues is thought to contribute to the suppression of the insulin signaling pathway producing systemic insulin resistance. Moreover, there is some evidence that high intake of fructose negatively affects both male and female reproductive systems and may lead to infertility. This review addresses dietary high-fructose-induced deteriorations that are obvious, especially in gut permeability, microbiota, abdominal fat accumulation, insulin signaling, and reproductive function. The recognition of the detrimental effects of fructose and the development of relevant new public health policies are necessary in order to prevent diet-related metabolic disorders.
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Affiliation(s)
| | | | - Fatma Akar
- Department of Pharmacology, Faculty of Pharmacy, Gazi University, Ankara, Turkey
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21
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Aguayo-Patrón SV, Trujillo-Rivera OA, Cornejo-Granados F, Ochoa-Leyva A, Calderón de la Barca AM. HLA-Haplotypes Influence Microbiota Structure in Northwestern Mexican Schoolchildren Predisposed for Celiac Disease or Type 1 Diabetes. Microorganisms 2023; 11:1412. [PMID: 37374914 DOI: 10.3390/microorganisms11061412] [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: 05/02/2023] [Revised: 05/20/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
To contribute to and elucidate the participation of microbiota in celiac disease (CD) and type 1 diabetes (T1D) development, we evaluated the influence of HLA haplotypes, familial risk, and diet on the microbiota of schoolchildren. We conducted a cross-sectional study on 821 apparently healthy schoolchildren, genotyping HLA DQ2/DQ8, and registering familial risk. We analyzed the fecal microbiota using 16S rRNA gene sequencing, and autoantibodies for CD or T1D by ELISA. After analyses, we created three groups: at-high-risk children (Group 1), at-high-risk children plus autoantibodies (Group 2), and nonrisk children (Group 3). HLA influenced the microbiota of Groups 1 and 2, decreasing phylogenetic diversity in comparison to Group 3. The relative abundance of Oscillospiraceae UCG_002, Parabacteroides, Akkermansia, and Alistipes was higher in Group 3 compared to Groups 1 and 2. Moreover, Oscillospiraceae UCG_002 and Parabacteroides were protectors of the autoantibodies' positivity (RRR = 0.441 and RRR = 0.034, respectively). Conversely, Agathobacter was higher in Group 2, and Lachnospiraceae was in both Groups 1 and 2. Lachnospiraceae correlated positively with the sucrose degradation pathway, while the principal genera in Group 3 were associated with amino acid biosynthesis pathways. In summary, HLA and familial risk influence microbiota composition and functionality in children predisposed to CD or T1D, increasing their autoimmunity risk.
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Affiliation(s)
- Sandra V Aguayo-Patrón
- Coordinación de Nutrición, Centro de Investigación en Alimentación y Desarrollo A.C., Hermosillo 83304, Mexico
| | - Omar A Trujillo-Rivera
- Coordinación de Nutrición, Centro de Investigación en Alimentación y Desarrollo A.C., Hermosillo 83304, Mexico
| | - Fernanda Cornejo-Granados
- Departamento de Microbiología Molecular, Instituto de Biotecnología, Universidad Nacional Autónoma de Mexico, Cuernavaca 62210, Mexico
| | - Adrian Ochoa-Leyva
- Departamento de Microbiología Molecular, Instituto de Biotecnología, Universidad Nacional Autónoma de Mexico, Cuernavaca 62210, Mexico
| | - Ana M Calderón de la Barca
- Coordinación de Nutrición, Centro de Investigación en Alimentación y Desarrollo A.C., Hermosillo 83304, Mexico
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22
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Cheng Q, Krajmalnik-Brown R, DiBaise JK, Maldonado J, Guest MA, Todd M, Langer SL. Relationship Functioning and Gut Microbiota Composition among Older Adult Couples. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:ijerph20085435. [PMID: 37107717 PMCID: PMC10138905 DOI: 10.3390/ijerph20085435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/11/2023] [Accepted: 03/23/2023] [Indexed: 05/11/2023]
Abstract
An emerging area of research extends work on couple functioning and physical health to gut health, a critical marker of general health and known to diminish with age. As a foray into this area, we conducted a pilot study to (1) determine the feasibility of remote data collection, including a fecal sample, from older adult couples, (2) examine within-couple concordance in gut microbiota composition, and (3) examine associations between relationship functioning and gut microbiota composition. Couples (N = 30) were recruited from the community. The participants' demographic characteristics were as follows: M (SD) age = 66.6 (4.8), 53% female, 92% White, and 2% Hispanic. Two of the couples were same-sex. All 60 participants completed self-report measures and supplied a fecal sample for microbiome analysis. Microbial DNA was extracted from the samples, and the 16S rRNA gene V4 region was amplified and sequenced. The results indicated that individuals shared more similar gut microbial composition with their partners than with others in the sample, p < 0.0001. In addition, individuals with better relationship quality (greater relationship satisfaction and intimacy and less avoidant communication) had greater microbial diversity, p < 0.05, a sign of healthier gut microbiota. Further research with a larger and more diverse sample is warranted to elucidate mechanisms.
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Affiliation(s)
- Qiwen Cheng
- Biodesign Center for Health through Microbiomes, Arizona State University, Tempe, AZ 85281, USA; (Q.C.); (R.K.-B.)
| | - Rosa Krajmalnik-Brown
- Biodesign Center for Health through Microbiomes, Arizona State University, Tempe, AZ 85281, USA; (Q.C.); (R.K.-B.)
- School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ 85281, USA
| | - John K. DiBaise
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Mayo Clinic College of Medicine and Science, Scottsdale, AZ 85259, USA;
| | - Juan Maldonado
- Knowledge Enterprise Genomics Core, Arizona State University, Tempe, AZ 85281, USA;
| | - M. Aaron Guest
- Center for Innovation in Healthy and Resilient Aging, Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ 85004, USA;
| | - Michael Todd
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ 85004, USA
| | - Shelby L. Langer
- Center for Health Promotion and Disease Prevention, Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ 85004, USA
- Correspondence: ; Tel.: +1-602-496-0823
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23
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Jang J, Hwang S, Oh AR, Park S, Yaseen U, Kim JG, Park S, Jung Y, Cha JY. Fructose malabsorption in ChREBP-deficient mice disrupts the small intestine immune microenvironment and leads to diarrhea-dominant bowel habit changes. Inflamm Res 2023; 72:769-782. [PMID: 36813915 DOI: 10.1007/s00011-023-01707-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 02/01/2023] [Accepted: 02/09/2023] [Indexed: 02/24/2023] Open
Abstract
BACKGROUND The mechanism by which incompletely absorbed fructose causes gastrointestinal symptoms is not fully understood. In this study, we investigated the immunological mechanisms of bowel habit changes associated with fructose malabsorption by examining Chrebp-knockout mice exhibiting defective fructose absorption. METHODS Mice were fed a high-fructose diet (HFrD), and stool parameters were monitored. The gene expression in the small intestine was analyzed by RNA sequencing. Intestinal immune responses were assessed. The microbiota composition was determined by 16S rRNA profiling. Antibiotics were used to assess the relevance of microbes for HFrD-induced bowel habit changes. RESULTS Chrebp-knockout (KO) mice fed HFrD showed diarrhea. Small-intestine samples from HFrD-fed Chrebp-KO mice revealed differentially expressed genes involved in the immune pathways, including IgA production. The number of IgA-producing cells in the small intestine decreased in HFrD-fed Chrebp-KO mice. These mice showed signs of increased intestinal permeability. Chrebp-KO mice fed a control diet showed intestinal bacterial imbalance, which the HFrD exaggerated. Bacterial reduction improved diarrhea-associated stool parameters and restored the decreased IgA synthesis induced in HFrD-fed Chrebp-KO mice. CONCLUSIONS The collective data indicate that gut microbiome imbalance and disrupting homeostatic intestinal immune responses account for the development of gastrointestinal symptoms induced by fructose malabsorption.
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Affiliation(s)
- Jinsun Jang
- Department of Health Science and Technology, Gachon Advanced Institute for Health Science and Technology, Gachon University, Inchon, Korea
| | - Soonjae Hwang
- Department of Biochemistry, Lee Gil Ya Cancer and Diabetes Institute, College of Medicine, Gachon University, 155 Gaetbeol-ro, Yeonsu-gu, Inchon, 21999, Korea
| | - Ah-Reum Oh
- Department of Health Science and Technology, Gachon Advanced Institute for Health Science and Technology, Gachon University, Inchon, Korea.,Department of Biomedical Sciences, College of Medicine, Inha University, Incheon, 22212, Korea
| | - Sohyeon Park
- Department of Health Science and Technology, Gachon Advanced Institute for Health Science and Technology, Gachon University, Inchon, Korea
| | - Uzma Yaseen
- Department of Health Science and Technology, Gachon Advanced Institute for Health Science and Technology, Gachon University, Inchon, Korea
| | - Jae Gon Kim
- Department of Microbiology, Lee Gil Ya Cancer and Diabetes Institute, College of Medicine, Gachon University, 155 Gaetbeol-ro, Yeonsu-gu, Inchon, 21999, Korea
| | - Sangbin Park
- Department of Health Science and Technology, Gachon Advanced Institute for Health Science and Technology, Gachon University, Inchon, Korea
| | - YunJae Jung
- Department of Health Science and Technology, Gachon Advanced Institute for Health Science and Technology, Gachon University, Inchon, Korea. .,Department of Microbiology, Lee Gil Ya Cancer and Diabetes Institute, College of Medicine, Gachon University, 155 Gaetbeol-ro, Yeonsu-gu, Inchon, 21999, Korea.
| | - Ji-Young Cha
- Department of Health Science and Technology, Gachon Advanced Institute for Health Science and Technology, Gachon University, Inchon, Korea. .,Department of Biochemistry, Lee Gil Ya Cancer and Diabetes Institute, College of Medicine, Gachon University, 155 Gaetbeol-ro, Yeonsu-gu, Inchon, 21999, Korea. .,Department of Biomedical Sciences, College of Medicine, Inha University, Incheon, 22212, Korea.
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24
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Joo Y, Sung JY, Shin SM, Park SJ, Kim KS, Park KD, Kim SB, Lee DW. A Retro-Aldol Reaction Prompted the Evolvability of a Phosphotransferase System for the Utilization of a Rare Sugar. Microbiol Spectr 2023; 11:e0366022. [PMID: 36786576 PMCID: PMC10101011 DOI: 10.1128/spectrum.03660-22] [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: 09/09/2022] [Accepted: 01/25/2023] [Indexed: 02/15/2023] Open
Abstract
The evolution of the bacterial phosphotransferase system (PTS) linked to glycolysis is dependent on the availability of naturally occurring sugars. Although bacteria exhibit sugar specificities based on carbon catabolite repression, the acquisition and evolvability of the cellular sugar preference under conditions that are suboptimal for growth (e.g., environments rich in a rare sugar) are poorly understood. Here, we generated Escherichia coli mutants via a retro-aldol reaction to obtain progeny that can utilize the rare sugar d-tagatose. We detected a minimal set of adaptive mutations in the d-fructose-specific PTS to render E. coli capable of d-tagatose utilization. These E. coli mutant strains lost the tight regulation of both the d-fructose and N-acetyl-galactosamine PTS following deletions in the binding site of the catabolite repressor/activator protein (Cra) upstream from the fruBKA operon and in the agaR gene, encoding the N-acetylgalactosamine (GalNAc) repressor, respectively. Acquired d-tagatose catabolic pathways then underwent fine-tuned adaptation via an additional mutation in 1-phosphofructose kinase to adjust metabolic fluxes. We determined the evolutionary trajectory at the molecular level, providing insights into the mechanism by which enteric bacteria evolved a substrate preference for the rare sugar d-tagatose. Furthermore, the engineered E. coli mutant strain could serve as an in vivo high-throughput screening platform for engineering non-phosphosugar isomerases to produce rare sugars. IMPORTANCE Microorganisms generate energy through glycolysis, which might have preceded a rapid burst of evolution, including the evolution of cellular respiration in the primordial biosphere. However, little is known about the evolvability of cellular sugar preferences. Here, we generated Escherichia coli mutants via a retro-aldol reaction to obtain progeny that can utilize the rare sugar d-tagatose. Consequently, we identified mutational hot spots and determined the evolutionary trajectory at the molecular level. This provided insights into the mechanism by which enteric bacteria evolved substrate preferences for various sugars, accounting for the widespread occurrence of these taxa. Furthermore, the adaptive laboratory evolution-induced cellular chassis could serve as an in vivo high-throughput screening platform for engineering tailor-made non-phosphorylated sugar isomerases to produce low-calorigenic rare sugars showing antidiabetic, antihyperglycemic, and antitumor activities.
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Affiliation(s)
- Yunhye Joo
- Department of Biotechnology, Yonsei University, Seoul, Republic of Korea
| | - Jae-Yoon Sung
- Department of Biotechnology, Yonsei University, Seoul, Republic of Korea
| | - Sun-Mi Shin
- School of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
| | - Sun Jun Park
- Brain Science Institute, Korea Institute of Science & Technology (KIST), Seoul, Republic of Korea
- Division of Bio-Medical Science & Technology, KIST School, Korea University of Science and Technology, Seoul, Republic of Korea
| | - Kyoung Su Kim
- Department of Biotechnology, Yonsei University, Seoul, Republic of Korea
| | - Ki Duk Park
- Brain Science Institute, Korea Institute of Science & Technology (KIST), Seoul, Republic of Korea
- Division of Bio-Medical Science & Technology, KIST School, Korea University of Science and Technology, Seoul, Republic of Korea
| | - Seong-Bo Kim
- Bio-Living Engineering Major, Global Leaders College, Yonsei University, Seoul, Republic of Korea
| | - Dong-Woo Lee
- Department of Biotechnology, Yonsei University, Seoul, Republic of Korea
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25
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Sugar-Sweetened Beverages and Metabolic Risk in Children and Adolescents with Obesity: A Narrative Review. Nutrients 2023; 15:nu15030702. [PMID: 36771409 PMCID: PMC9918944 DOI: 10.3390/nu15030702] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 01/27/2023] [Accepted: 01/28/2023] [Indexed: 01/31/2023] Open
Abstract
Sugar-sweetened beverages (SSBs) are major contributors of free sugars to the diet. A strong relationship between SSB intake and weight gain is described. METHODS we performed a narrative review to present an overview of the role of SSBs as a pivotal contributor in the development of obesity and metabolism-related complications. RESULTS different factors influence SSB consumption in children, including economic variables, individual attributes and behaviors to environmental factors, parent features and parents' behaviors. Data suggest that SSB intake has a negative effect on weight and obesity-related diseases. The leading mechanism linking SSB intake to the risk of gaining weight is decreased satiety and incomplete compensatory reduction in energy intake at meals following ingestion of liquid calories. Additionally, the effects of SSBs on gut microbiota and on eating behaviors were also reported. An association between SSB intake, weight gain and cardiometabolic risks is evident. Consumption of SSBs had a significant impact on the prevalence of obesity and related metabolic risks, including insulin resistance, type 2 diabetes, hypertension and metabolic syndrome. CONCLUSIONS Limiting consumption of SSBs and increasing knowledge of the effect of SSBs on early metabolic and cardiovascular disorders will be useful in developing strategies to counteract the problem and to prevent obesity and related complications.Key future research areas for which further studies are needed include investigating the long-term effects of SSBs on health outcomes as well as analyzing the health effects of sugar consumed in solid compared to liquid forms and further elucidating the biological mechanisms of sugar addiction and energy compensation.
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26
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Kose J, Duquenne P, Srour B, Debras C, Léger D, Péneau S, Galan P, Hercberg S, Touvier M, Andreeva VA. Synthèse narrative sur le lien entre les apports en glucides et la santé mentale : focus sur l’anxiété et l’insomnie chez les adultes. CAHIERS DE NUTRITION ET DE DIÉTÉTIQUE 2022. [DOI: 10.1016/j.cnd.2022.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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27
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Effendi SSW, Ng IS. Reprogramming T7RNA Polymerase in Escherichia coli Nissle 1917 under Specific Lac Operon for Efficient p-Coumaric Acid Production. ACS Synth Biol 2022; 11:3471-3481. [PMID: 36087056 DOI: 10.1021/acssynbio.2c00363] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Lac operon is the standard regulator used to control the orthogonality of T7RNA polymerase (T7RNAP) and T7 promoter inEscherichia coli BL21(DE3) strain for protein expression. However,E. coliNissle 1917 (EcN), the unique probiotic strain, has seldom been precisely adapted to the T7 system. Herein, we applied bioinformatics analysis on Lac operon from different strains, and it was observed that a weak promoter for LacI repressor existed in EcN. Furthermore, X-gal assay revealed a strong expression of lacZ in EcN. We demonstrated that Lac operon significantly affected the protein expression in the two T7-derived EcN, in which T7RNAP was integrated at lambda (ET7L) and HK022 (ET7H), respectively. Different combinations of replication origin, chaperonin GroELS, inducer, and medium were explored to fine-tune the best strain with tyrosine ammonia-lyase (TAL) for p-coumaric acid (pCA) production, which is one of the essential bioactive compounds for human health. Finally, the highest pCA conversion of 78.8% was achieved using RRtL (plasmid form) under the optimum condition, and a 51.5% conversion was obtained with L::Rt strain which has integrated T7-RtTAL at HK022 of ET7L in the simulated gut environment. The appropriate reprogramming of T7RNAP expedites EcN as an effective and promising cell factory for live bacterial therapeutics in the future.
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Affiliation(s)
| | - I-Son Ng
- Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan
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28
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Arnone D, Chabot C, Heba AC, Kökten T, Caron B, Hansmannel F, Dreumont N, Ananthakrishnan AN, Quilliot D, Peyrin-Biroulet L. Sugars and Gastrointestinal Health. Clin Gastroenterol Hepatol 2022; 20:1912-1924.e7. [PMID: 34902573 DOI: 10.1016/j.cgh.2021.12.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/03/2021] [Accepted: 12/04/2021] [Indexed: 12/18/2022]
Abstract
Sugar overconsumption is linked to a rise in the incidence of noncommunicable diseases such as diabetes, cardiovascular diseases, and cancer. This increased incidence is becoming a real public health problem that is more severe than infectious diseases, contributing to 35 million deaths annually. Excessive intake of free sugars can cause many of the same health problems as excessive alcohol consumption. Many recent international recommendations have expressed concerns about sugar consumption in Westernized societies, as current consumption levels represent quantities with no precedent during hominin evolution. In both adults and children, the World Health Organization strongly recommends reducing free sugar intake to <10% of total energy intake and suggests a further reduction to below 5%. Most studies have focused on the deleterious effects of Western dietary patterns on global health and the intestine. Whereas excessive dietary fat consumption is well studied, the specific impact of sugar is poorly described, while refined sugars represent up to 40% of caloric intake within industrialized countries. However, high sugar intake is associated with multiple tissue and organ dysfunctions. Both hyperglycemia and excessive sugar intake disrupt the intestinal barrier, thus increasing gut permeability and causing profound gut microbiota dysbiosis, which results in a disturbance in mucosal immunity that enhances infection susceptibility. This review aims to highlight the roles of different types of dietary carbohydrates and the consequences of their excessive intake for intestinal homeostasis.
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Affiliation(s)
- Djésia Arnone
- Délégation à la Recherche Clinique et de l'Innovation, Centre Hospitalier Régional Universitaire de Nancy, Nancy, France; Inserm U1256 "Nutrition - Genetics and exposure to environmental risks," Université de Lorraine, Nancy, France
| | - Caroline Chabot
- Inserm U1256, Pediatric Hepato-Gastroenterology and Nutrition Unit, Department of Child Medicine and Clinical Genetics, Université de Lorraine, Nancy, France
| | - Anne-Charlotte Heba
- Inserm U1256 "Nutrition - Genetics and exposure to environmental risks," Université de Lorraine, Nancy, France
| | - Tunay Kökten
- Inserm U1256 "Nutrition - Genetics and exposure to environmental risks," Université de Lorraine, Nancy, France
| | - Bénédicte Caron
- Department of Gastroenterology, Centre Hospitalier Régional Universitaire de Nancy, Université de Lorraine, Nancy, France
| | - Franck Hansmannel
- Inserm U1256 "Nutrition - Genetics and exposure to environmental risks," Université de Lorraine, Nancy, France
| | - Natacha Dreumont
- Inserm U1256 "Nutrition - Genetics and exposure to environmental risks," Université de Lorraine, Nancy, France
| | | | - Didier Quilliot
- Inserm U1256 "Nutrition - Genetics and exposure to environmental risks," Université de Lorraine, Nancy, France; Department of Diabetology-Endocrinology-Nutrition, Centre Hospitalier Régional Universitaire de Nancy, Université de Lorraine, Nancy, France
| | - Laurent Peyrin-Biroulet
- Inserm U1256 "Nutrition - Genetics and exposure to environmental risks," Université de Lorraine, Nancy, France; Department of Gastroenterology, Centre Hospitalier Régional Universitaire de Nancy, Université de Lorraine, Nancy, France.
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Pupyshev AB, Klyushnik TP, Akopyan AA, Singh SK, Tikhonova MA. Disaccharide Trehalose in Experimental Therapies for Neurodegenerative Disorders: Molecular Targets and Translational Potential. Pharmacol Res 2022; 183:106373. [PMID: 35907433 DOI: 10.1016/j.phrs.2022.106373] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 07/23/2022] [Accepted: 07/26/2022] [Indexed: 10/16/2022]
Abstract
Induction of autophagy is a prospective approach to the treatment of neurodegeneration. In the recent decade, trehalose attracted special attention. It is an autophagy inducer with negligible adverse effects and is approved for use in humans according to FDA requirements. Trehalose has a therapeutic effect in various experimental models of diseases. This glucose disaccharide with a flexible α-1-1'-glycosidic bond has unique properties: induction of mTOR-independent autophagy (with kinase AMPK as the main target) and a chaperone-like effect on proteins imparting them natural spatial structure. Thus, it can reduce the accumulation of neurotoxic aberrant/misfolded proteins. Trehalose has an anti-inflammatory effect and inhibits detrimental oxidative stress partially owing to the enhancement of endogenous antioxidant defense represented by the Nrf2 protein. The disaccharide activates lysosome and autophagosome biogenesis pathways through the protein factors TFEB and FOXO1. Here we review various mechanisms of the neuroprotective action of trehalose and touch on the possibility of pleiotropic effects. Current knowledge about specific features of trehalose pharmacodynamics is discussed. The neuroprotective effects of trehalose in animal models of major neurodegenerative disorders such as Alzheimer's, Parkinson's, and Huntington's diseases are examined too. Attention is given to translational transition to clinical trials of this drug, especially oral and parenteral routes of administration. Besides, the possibility of enhancing the therapeutic benefit via a combination of mTOR-dependent and mTOR-independent autophagy inducers is analyzed. In general, trehalose appears to be a promising multitarget tool for the inhibition of experimental neurodegeneration and requires thorough investigation of its clinical capabilities.
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Affiliation(s)
- Alexander B Pupyshev
- Scientific Research Institute of Neurosciences and Medicine (SRINM); Timakova Str. 4, Novosibirsk 630117, Russia.
| | - Tatyana P Klyushnik
- Mental Health Research Center, Kashirskoye shosse 34, Moscow 115522, Russia.
| | - Anna A Akopyan
- Scientific Research Institute of Neurosciences and Medicine (SRINM); Timakova Str. 4, Novosibirsk 630117, Russia.
| | - Sandeep Kumar Singh
- Indian Scientific Education and Technology Foundation, Krishna Bhawan, 594 Kha/123, Shahinoor Colony, Nilmatha, Uttar Pradesh, Lucknow 226002, India.
| | - Maria A Tikhonova
- Scientific Research Institute of Neurosciences and Medicine (SRINM); Timakova Str. 4, Novosibirsk 630117, Russia.
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30
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Greene LK, Andriambeloson JB, Rasoanaivo HA, Yoder AD, Blanco MB. Variation in gut microbiome structure across the annual hibernation cycle in a wild primate. FEMS Microbiol Ecol 2022; 98:6604834. [PMID: 35679092 DOI: 10.1093/femsec/fiac070] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 05/07/2022] [Accepted: 06/06/2022] [Indexed: 11/13/2022] Open
Abstract
The gut microbiome can mediate host metabolism, including facilitating energy-saving strategies like hibernation. The dwarf lemurs of Madagascar (Cheirogaleus spp.) are the only obligate hibernators among primates. They also hibernate in the subtropics, and unlike temperate hibernators, fatten by converting fruit sugars to lipid deposits, torpor at relatively warm temperatures, and forage for a generalized diet after emergence. Despite these ecological differences, we might expect hibernation to shape the gut microbiome in similar ways across mammals. We, therefore, compare gut microbiome profiles, determined by amplicon sequencing of rectal swabs, in wild furry-eared dwarf lemurs (C. crossleyi) during fattening, hibernation, and after emergence. The dwarf lemurs exhibited reduced gut microbial diversity during fattening, intermediate diversity and increased community homogenization during hibernation, and greatest diversity after emergence. The Mycoplasma genus was enriched during fattening, whereas the Aerococcaceae and Actinomycetaceae families, and not Akkermansia, bloomed during hibernation. As expected, the dwarf lemurs showed seasonal reconfigurations of the gut microbiome; however, the patterns of microbial diversity diverged from temperate hibernators, and better resembled the shifts associated with dietary fruits and sugars in primates and model organisms. Our results thus highlight the potential for dwarf lemurs to probe microbiome-mediated metabolism in primates under contrasting conditions.
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Affiliation(s)
- Lydia K Greene
- The Duke Lemur Center, 3705 Erwin Road, Durham, NC 27705, United States.,Department of Biology, Duke University, Durham, NC 27708, United States
| | - Jean-Basile Andriambeloson
- Department of Zoology and Animal Biodiversity, Faculty of Science, University of Antananarivo, Antananarivo, Madagascar
| | - Hoby A Rasoanaivo
- Department of Science and Veterinary Medicine, Faculty of Medicine, University of Antananarivo, Antananarivo, Madagascar
| | - Anne D Yoder
- Department of Biology, Duke University, Durham, NC 27708, United States
| | - Marina B Blanco
- The Duke Lemur Center, 3705 Erwin Road, Durham, NC 27705, United States.,Department of Biology, Duke University, Durham, NC 27708, United States
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31
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Wang Y, Xia H, Yang Q, Yang D, Liu S, Cui Z. Evaluating Starter Feeding on Ruminal Function in Yak Calves: Combined 16S rRNA Sequencing and Metabolomics. Front Microbiol 2022; 13:821613. [PMID: 35733970 PMCID: PMC9207444 DOI: 10.3389/fmicb.2022.821613] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 04/13/2022] [Indexed: 11/13/2022] Open
Abstract
For young ruminants, starter feeding can effectively facilitate the growth and development of rumen in ruminants, but the development of rumen is an important physiological challenge as it remains unclear for the mechanism of starter feeding stimulating. In this study, we performed an analysis of ruminal microbiota and their metabolites in yak calves to explore how the ruminal microbiota and their metabolites stimulate the ruminal function. This study associated 16S rRNA sequencing with liquid chromatography-mass spectrometry (LC-MS)-based metabolomics to evaluate the effects of starter feeding on ruminal microbiota diversity and metabolites in yak calves. We designed the experiment using 20 yak calves that were assigned equally into 2 groups, based on feeding milk replacer; the control (RA) group was fed with alfalfa hay while the treatment (RAS) group was fed with alfalfa hay and starter. After the experiment, we investigated the ruminal microbiota and metabolites through 16S rRNA sequencing and LC-MS-based metabolomics. During the preweaning period, the RAS group significantly promoted the growth performance and ruminal development in yak calves, including increases in body weight, chest girth, and development of rumen (P < 0.05). The RAS group increased the relative abundance of Bacteroidota, Proteobacteria, Chloroflexi, Synergistota, and Spirochaetota and decreased the abundance of Firmicutes, Desulfobacterota, Actinobacteriota, and Actinobacteriota at the phylum level (P < 0.05). At the genus level, the ruminal content of the RAS group was significantly enriched for Rikenellaceae_RC9_gut_group and Ruminococcus, while depleted for Prevotella, Christensenellaceae_R-7_group, and NK4A214_group (P < 0.05). A total of 37 metabolites were identified between the RA group and the RAS group, of which 15 metabolites were upregulated and 22 metabolites were downregulated compared with the RA group. Metabolic pathway analyses indicated that upregulated the metabolites of the RAS group yak calves were related to carbohydrate metabolism, ubiquinone, and other terpenoid-quinone biosynthesis, while the downregulated metabolic pathway was relevant to xenobiotic biodegradation, metabolism, and nucleotide metabolism. In summary, starter feeding before weaning significantly increased the dry matter intake and body weight of yak calves, changed the diversity and abundance of ruminal microbiota, and positively regulated the good development of ruminal morphology and function, providing an important basis for high-quality cultivation and the nutritional level of nutrition of yak calves in the Qinghai Tibet plateau. This study is based on the availability of 16S rRNA sequencing and LC-MS-based metabolomics in clarifying the function of starter feeding in the yak calves.
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Affiliation(s)
- Yin Wang
- Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, China
| | - Hongze Xia
- Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, China
| | - Qien Yang
- Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China
| | - Deyu Yang
- Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, China
| | - Shujie Liu
- Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, China
- *Correspondence: Shujie Liu,
| | - Zhanhong Cui
- Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, China
- Zhanhong Cui,
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32
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Lommi S, Manzoor M, Engberg E, Agrawal N, Lakka TA, Leinonen J, Kolho KL, Viljakainen H. The Composition and Functional Capacities of Saliva Microbiota Differ Between Children With Low and High Sweet Treat Consumption. Front Nutr 2022; 9:864687. [PMID: 35558746 PMCID: PMC9085455 DOI: 10.3389/fnut.2022.864687] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/04/2022] [Indexed: 01/17/2023] Open
Abstract
Excess sugar consumption—common in youth—is associated with poor health. Evidence on the relationship between sugar consumption and the oral microbiome, however, remains scarce and inconclusive. We explored whether the diversity, composition, and functional capacities of saliva microbiota differ based on the consumption of select sugary foods and drinks (“sweet treats”). Using 16S rRNA gene sequencing, we characterized saliva microbiota from 11 to 13-year-old children who participated in the Finnish Health in Teens (Fin-HIT) cohort study. The sample comprised children in the lowest (n = 227) and highest (n = 226) tertiles of sweet treat consumption. We compared differences in the alpha diversity (Shannon, inverse Simpson, and Chao1 indices), beta diversity (principal coordinates analysis based on Bray–Curtis dissimilarity), and abundance (differentially abundant operational taxonomic units (OTUs) at the genus level) between these low and high consumption groups. We performed PICRUSt2 to predict the metabolic pathways of microbial communities. No differences emerged in the alpha diversity between low and high sweet treat consumption, whereas the beta diversity differed between groups (p = 0.001). The abundance of several genera such as Streptococcus, Prevotella, Veillonella, and Selenomonas was higher in the high consumption group compared with the low consumption group following false discovery rate correction (p < 0.05). Children with high sweet treat consumption exhibited higher proportions of nitrate reduction IV and gondoate biosynthesis pathways compared with the low consumption group (p < 0.05). To conclude, sweet treat consumption shapes saliva microbiota. Children who consume a high level of sweet treats exhibited different compositions and metabolic pathways compared with children who consume low levels of sweet treats. Our findings reveal novel insights into the relationship between sugary diets and oral microbiota.
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Affiliation(s)
- Sohvi Lommi
- Department of Public Health, University of Helsinki, Helsinki, Finland.,Folkhälsan Research Center, Helsinki, Finland
| | - Muhammed Manzoor
- Department of Oral and Maxillofacial Diseases, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Elina Engberg
- Folkhälsan Research Center, Helsinki, Finland.,Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Nitin Agrawal
- Folkhälsan Research Center, Helsinki, Finland.,Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Timo A Lakka
- Institute of Biomedicine, School of Medicine, University of Eastern Finland, Kuopio, Finland.,Department of Clinical Physiology and Nuclear Medicine, Kuopio University Hospital, Kuopio, Finland.,Foundation for Research in Health Exercise and Nutrition, Kuopio Research Institute of Exercise Medicine, Kuopio, Finland
| | - Jukka Leinonen
- Department of Clinical Dentistry, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway
| | - Kaija-Leena Kolho
- Children's Hospital, University of Helsinki and Helsinki University Hospital (HUS), Helsinki, Finland.,Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Heli Viljakainen
- Folkhälsan Research Center, Helsinki, Finland.,Faculty of Medicine, University of Helsinki, Helsinki, Finland
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33
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Brun A, Gutiérrez-Guerrero Y, Magallanes ME, Vidal EC, Karasov WH, Rio CMD. Opportunities lost? Evolutionary causes and ecological consequences of the absence of trehalose digestion in birds. Physiol Biochem Zool 2022; 95:340-349. [DOI: 10.1086/720232] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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34
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Gómez-García R, Vilas-Boas AA, Machado M, Campos DA, Aguilar CN, Madureira AR, Pintado M. Impact of simulated in vitro gastrointestinal digestion on bioactive compounds, bioactivity and cytotoxicity of melon (Cucumis melo L. inodorus) peel juice powder. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Effects of a Low-carbohydrate/High-protein Diet on Gut Microbiome Composition in Insulin Resistant Individuals with Chronic Spinal Cord Injury: Preliminary Results from a Randomized Controlled Trial. Arch Phys Med Rehabil 2022; 103:1269-1278. [DOI: 10.1016/j.apmr.2022.03.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 03/02/2022] [Accepted: 03/07/2022] [Indexed: 11/18/2022]
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Hampson HE, Jones RB, Berger PK, Plows JF, Schmidt KA, Alderete TL, Goran MI. Adverse Effects of Infant Formula Made with Corn-Syrup Solids on the Development of Eating Behaviors in Hispanic Children. Nutrients 2022; 14:nu14051115. [PMID: 35268090 PMCID: PMC8912730 DOI: 10.3390/nu14051115] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 03/01/2022] [Accepted: 03/04/2022] [Indexed: 12/12/2022] Open
Abstract
Few studies have investigated the influence of infant formulas made with added corn-syrup solids on the development of child eating behaviors. We examined associations of breastmilk (BM), traditional formula (TF), and formula containing corn-syrup solids (CSSF) with changes in eating behaviors over a period of 2 years. Feeding type was assessed at 6 months in 115 mother−infant pairs. Eating behaviors were assessed at 12, 18 and 24 months. Repeated Measures ANCOVA was used to determine changes in eating behaviors over time as a function of feeding type. Food fussiness and enjoyment of food differed between the feeding groups (p < 0.05) and changed over time for CSSF and TF (p < 0.01). Food fussiness increased from 12 to 18 and 12 to 24 months for CSSF and from 12 to 24 months for TF (p < 0.01), while it remained stable for BM. Enjoyment of food decreased from 12 to 24 months for CSSF (p < 0.01), while it remained stable for TF and BM. There was an interaction between feeding type and time for food fussiness and enjoyment of food (p < 0.01). Our findings suggest that Hispanic infants consuming CSSF may develop greater food fussiness and reduced enjoyment of food in the first 2 years of life compared to BM-fed infants.
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Affiliation(s)
- Hailey E. Hampson
- The Saban Research Institute, Los Angeles, Children’s Hospital, Los Angeles, CA 90027, USA; (H.E.H.); (R.B.J.); (P.K.B.); (J.F.P.); (K.A.S.)
- Department of Epidemiology, University of Southern California, Los Angeles, CA 90007, USA
| | - Roshonda B. Jones
- The Saban Research Institute, Los Angeles, Children’s Hospital, Los Angeles, CA 90027, USA; (H.E.H.); (R.B.J.); (P.K.B.); (J.F.P.); (K.A.S.)
| | - Paige K. Berger
- The Saban Research Institute, Los Angeles, Children’s Hospital, Los Angeles, CA 90027, USA; (H.E.H.); (R.B.J.); (P.K.B.); (J.F.P.); (K.A.S.)
| | - Jasmine F. Plows
- The Saban Research Institute, Los Angeles, Children’s Hospital, Los Angeles, CA 90027, USA; (H.E.H.); (R.B.J.); (P.K.B.); (J.F.P.); (K.A.S.)
| | - Kelsey A. Schmidt
- The Saban Research Institute, Los Angeles, Children’s Hospital, Los Angeles, CA 90027, USA; (H.E.H.); (R.B.J.); (P.K.B.); (J.F.P.); (K.A.S.)
| | - Tanya L. Alderete
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA;
| | - Michael I. Goran
- The Saban Research Institute, Los Angeles, Children’s Hospital, Los Angeles, CA 90027, USA; (H.E.H.); (R.B.J.); (P.K.B.); (J.F.P.); (K.A.S.)
- Correspondence:
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Hsu CN, Yu HR, Chan JYH, Wu KLH, Lee WC, Tain YL. The Impact of Gut Microbiome on Maternal Fructose Intake-Induced Developmental Programming of Adult Disease. Nutrients 2022; 14:nu14051031. [PMID: 35268005 PMCID: PMC8912426 DOI: 10.3390/nu14051031] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/24/2022] [Accepted: 02/26/2022] [Indexed: 12/11/2022] Open
Abstract
Excessive or insufficient maternal nutrition can influence fetal development and the susceptibility of offspring to adult disease. As eating a fructose-rich diet is becoming more common, the effects of maternal fructose intake on offspring health is of increasing relevance. The gut is required to process fructose, and a high-fructose diet can alter the gut microbiome, resulting in gut dysbiosis and metabolic disorders. Current evidence from animal models has revealed that maternal fructose consumption causes various components of metabolic syndrome in adult offspring, while little is known about how gut microbiome is implicated in fructose-induced developmental programming and the consequential risks for developing chronic disease in offspring. This review will first summarize the current evidence supporting the link between fructose and developmental programming of adult diseases. This will be followed by presenting how gut microbiota links to common mechanisms underlying fructose-induced developmental programming. We also provide an overview of the reprogramming effects of gut microbiota-targeted therapy on fructose-induced developmental programming and how this approach may prevent adult-onset disease. Using gut microbiota-targeted therapy to prevent maternal fructose diet-induced developmental programming, we have the potential to mitigate the global burden of fructose-related disorders.
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Affiliation(s)
- Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan;
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Hong-Ren Yu
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 833, Taiwan;
| | - Julie Y. H. Chan
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 833, Taiwan; (J.Y.H.C.); (K.L.H.W.)
| | - Kay L. H. Wu
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 833, Taiwan; (J.Y.H.C.); (K.L.H.W.)
| | - Wei-Chia Lee
- Department of Urology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 833, Taiwan;
| | - You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 833, Taiwan;
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 833, Taiwan; (J.Y.H.C.); (K.L.H.W.)
- Correspondence: ; Tel.: +886-975-056-995; Fax: +886-7733-8009
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Roux-En-Y Gastric Bypass (RYGB) Surgery during High Liquid Sucrose Diet Leads to Gut Microbiota-Related Systematic Alterations. Int J Mol Sci 2022; 23:ijms23031126. [PMID: 35163046 PMCID: PMC8835548 DOI: 10.3390/ijms23031126] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/13/2022] [Accepted: 01/17/2022] [Indexed: 12/17/2022] Open
Abstract
Roux-en-Y gastric bypass (RYGB) surgery has been proven successful in weight loss and improvement of co-morbidities associated with obesity. Chronic complications such as malabsorption of micronutrients in up to 50% of patients underline the need for additional therapeutic approaches. We investigated systemic RYGB surgery effects in a liquid sucrose diet-induced rat obesity model. After consuming a diet supplemented with high liquid sucrose for eight weeks, rats underwent RYGB or control sham surgery. RYGB, sham pair-fed, and sham ad libitum-fed groups further continued on the diet after recovery. Notable alterations were revealed in microbiota composition, inflammatory markers, feces, liver, and plasma metabolites, as well as in brain neuronal activity post-surgery. Higher fecal 4-aminobutyrate (GABA) correlated with higher Bacteroidota and Enterococcus abundances in RYGB animals, pointing towards the altered enteric nervous system (ENS) and gut signaling. Favorable C-reactive protein (CRP), serine, glycine, and 3-hydroxybutyrate plasma profiles in RYGB rats were suggestive of reverted obesity risk. The impact of liquid sucrose diet and caloric restriction mainly manifested in fatty acid changes in the liver. Our multi-modal approach reveals complex systemic changes after RYGB surgery and points towards potential therapeutic targets in the gut-brain system to mimic the surgery mode of action.
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Onyango SO, Juma J, De Paepe K, Van de Wiele T. Oral and Gut Microbial Carbohydrate-Active Enzymes Landscape in Health and Disease. Front Microbiol 2021; 12:653448. [PMID: 34956106 PMCID: PMC8702856 DOI: 10.3389/fmicb.2021.653448] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 11/18/2021] [Indexed: 12/12/2022] Open
Abstract
Inter-individual variability in the microbial gene complement encoding for carbohydrate-active enzymes (CAZymes) can profoundly regulate how the host interacts with diverse carbohydrate sources thereby influencing host health. CAZy-typing, characterizing the microbiota-associated CAZyme-coding genes within a host individual, can be a useful tool to predict carbohydrate pools that the host can metabolize, or identify which CAZyme families are underrepresented requiring supplementation via microbiota transplantation or probiotics. CAZy-typing, moreover, provides a novel framework to search for disease biomarkers. As a proof of concept, we used publicly available metagenomes (935) representing 310 type strain bacterial genomes to establish the link between disease status and CAZymes in the oral and gut microbial ecosystem. The abundance and distribution of 220 recovered CAZyme families in saliva and stool samples from patients with colorectal cancer, rheumatoid arthritis, and type 1 diabetes were compared with healthy subjects. Based on the multivariate discriminant analysis, the disease phenotype did not alter the CAZyme profile suggesting a functional conservation in carbohydrate metabolism in a disease state. When disease and healthy CAZyme profiles were contrasted in differential analysis, CAZyme markers that were underrepresented in type 1 diabetes (15), colorectal cancer (12), and rheumatoid arthritis (5) were identified. Of interest, are the glycosyltransferase which can catalyze the synthesis of glycoconjugates including lipopolysaccharides with the potential to trigger inflammation, a common feature in many diseases. Our analysis has also confirmed the expansive carbohydrate metabolism in the gut as evidenced by the overrepresentation of CAZyme families in the gut compared to the oral site. Nevertheless, each site exhibited specific CAZyme markers. Taken together, our analysis provides an insight into the CAZyme landscape in health and disease and has demonstrated the diversity in carbohydrate metabolism in host-microbiota which can be a sound basis for optimizing the selection of pre, pro, and syn-biotic candidate products.
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Affiliation(s)
- Stanley O Onyango
- Center for Microbial Ecology and Technology (CMET), Ghent University, Ghent, Belgium
| | - John Juma
- International Livestock Research Institute (ILRI), Nairobi, Kenya
| | - Kim De Paepe
- Center for Microbial Ecology and Technology (CMET), Ghent University, Ghent, Belgium
| | - Tom Van de Wiele
- Center for Microbial Ecology and Technology (CMET), Ghent University, Ghent, Belgium
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Heo JM, Kim HJ, Lee SJ. Efficient anaerobic consumption of D-xylose by E. coli BL21(DE3) via xylR adaptive mutation. BMC Microbiol 2021; 21:332. [PMID: 34872501 PMCID: PMC8647362 DOI: 10.1186/s12866-021-02395-9] [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: 03/30/2021] [Accepted: 11/22/2021] [Indexed: 11/20/2022] Open
Abstract
Background Microorganisms can prioritize the uptake of different sugars depending on their metabolic needs and preferences. When both D-glucose and D-xylose are present in growth media, E. coli cells typically consume D-glucose first and then D-xylose. Similarly, when E. coli BL21(DE3) is provided with both D-glucose and D-xylose under anaerobic conditions, glucose is consumed first, whereas D-xylose is consumed very slowly. Results When BL21(DE3) was adaptively evolved via subculture, the consumption rate of D-xylose increased gradually. Strains JH001 and JH019, whose D-xylose consumption rate was faster, were isolated after subculture. Genome analysis of the JH001 and JH019 strains revealed that C91A (Q31K) and C740T (A247V) missense mutations in the xylR gene (which encodes the XylR transcriptional activator), respectively, controlled the expression of the xyl operon. RT-qPCR analyses demonstrated that the XylR mutation caused a 10.9-fold and 3.5-fold increase in the expression of the xylA (xylose isomerase) and xylF (xylose transporter) genes, respectively, in the adaptively evolved JH001 and JH019 strains. A C91A adaptive mutation was introduced into a new BL21(DE3) background via single-base genome editing, resulting in immediate and efficient D-xylose consumption. Conclusions Anaerobically-adapted BL21(DE3) cells were obtained through short-term adaptive evolution and xylR mutations responsible for faster D-xylose consumption were identified, which may aid in the improvement of microbial fermentation technology. Supplementary Information The online version contains supplementary material available at 10.1186/s12866-021-02395-9.
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Affiliation(s)
- Jung Min Heo
- Department of Systems Biotechnology, Chung-Ang University, Anseong, 17546, Republic of Korea
| | - Hyun Ju Kim
- Department of Systems Biotechnology, Chung-Ang University, Anseong, 17546, Republic of Korea
| | - Sang Jun Lee
- Department of Systems Biotechnology, Chung-Ang University, Anseong, 17546, Republic of Korea.
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Hughes RL, Holscher HD. Fueling Gut Microbes: A Review of the Interaction between Diet, Exercise, and the Gut Microbiota in Athletes. Adv Nutr 2021; 12:2190-2215. [PMID: 34229348 PMCID: PMC8634498 DOI: 10.1093/advances/nmab077] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 02/19/2021] [Accepted: 05/27/2021] [Indexed: 12/11/2022] Open
Abstract
The athlete's goal is to optimize their performance. Towards this end, nutrition has been used to improve the health of athletes' brains, bones, muscles, and cardiovascular system. However, recent research suggests that the gut and its resident microbiota may also play a role in athlete health and performance. Therefore, athletes should consider dietary strategies in the context of their potential effects on the gut microbiota, including the impact of sports-centric dietary strategies (e.g., protein supplements, carbohydrate loading) on the gut microbiota as well as the effects of gut-centric dietary strategies (e.g., probiotics, prebiotics) on performance. This review provides an overview of the interaction between diet, exercise, and the gut microbiota, focusing on dietary strategies that may impact both the gut microbiota and athletic performance. Current evidence suggests that the gut microbiota could, in theory, contribute to the effects of dietary intake on athletic performance by influencing microbial metabolite production, gastrointestinal physiology, and immune modulation. Common dietary strategies such as high protein and simple carbohydrate intake, low fiber intake, and food avoidance may adversely impact the gut microbiota and, in turn, performance. Conversely, intake of adequate dietary fiber, a variety of protein sources, and emphasis on unsaturated fats, especially omega-3 (ɷ-3) fatty acids, in addition to consumption of prebiotics, probiotics, and synbiotics, have shown promising results in optimizing athlete health and performance. Ultimately, while this is an emerging and promising area of research, more studies are needed that incorporate, control, and manipulate all 3 of these elements (i.e., diet, exercise, and gut microbiome) to provide recommendations for athletes on how to "fuel their microbes."
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Affiliation(s)
- Riley L Hughes
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Hannah D Holscher
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Division of Nutrition Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA
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Zuo QL, Cai X, Zheng XY, Chen DS, Li M, Liu ZQ, Chen KQ, Han FF, Zhu X. Influences of Xylitol Consumption at Different Dosages on Intestinal Tissues and Gut Microbiota in Rats. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:12002-12011. [PMID: 34590865 DOI: 10.1021/acs.jafc.1c03720] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Xylitol is a widely used natural sweetener for the reduction of excessive sugar consumption. However, concerns of xylitol consumption existed as it is a highly permeable substance in the colon that could cause diarrhea and other adverse symptoms. To assess the relationship between xylitol dosage and diarrhea, especially the influences of diarrhea on physiological characteristics, the immune system, and gut microbiota in rats, the control, low-dose (L), medium-dose (M), and high-dose (H) groups were fed with 0, 1, 3, and 10% of xylitol, respectively, correspondingly for 15 days, followed by a 7-day recovery. Only medium- and high-dose xylitol would cause diarrhea in rats. Quantitative imaging of colonic tissue and the expression levels of proinflammatory factors revealed a higher degree of immune responses in the rats from H groups but statistically stable in M groups, despite that light diarrhea was observed. A shift of the gut microbiota composition was observed in the rats from H groups, including significant decreases of genera Ruminococcaceae and Prevotella and a notable increase and colonization of Bacteroides, accompanied with changes of short-chain fatty acid production. Tolerance and adaptation to xylitol consumption were observed in a dose-dependent manner. Our findings demonstrate that diarrhea caused by the high dosage of xylitol can exert distinctive changes on gut microbiota and lay the foundation to explore the mechanism underlying the shift in gut microbiota composition.
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Affiliation(s)
- Qi-Le Zuo
- Zhejiang Huakang Pharmaceutical Co., Ltd, 18, Huagong Road, Huabu Town, Kaihua County, Zhejiang 324302, Quzhou, P. R. China
| | - Xue Cai
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Xiao-Yang Zheng
- Zhejiang Huakang Pharmaceutical Co., Ltd, 18, Huagong Road, Huabu Town, Kaihua County, Zhejiang 324302, Quzhou, P. R. China
| | - De-Shui Chen
- Zhejiang Huakang Pharmaceutical Co., Ltd, 18, Huagong Road, Huabu Town, Kaihua County, Zhejiang 324302, Quzhou, P. R. China
| | - Mian Li
- Zhejiang Huakang Pharmaceutical Co., Ltd, 18, Huagong Road, Huabu Town, Kaihua County, Zhejiang 324302, Quzhou, P. R. China
| | - Zhi-Qiang Liu
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Kai-Qian Chen
- Zhejiang Huakang Pharmaceutical Co., Ltd, 18, Huagong Road, Huabu Town, Kaihua County, Zhejiang 324302, Quzhou, P. R. China
| | - Fei-Fei Han
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, P. R. China
| | - Xuan Zhu
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, P. R. China
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Chronic consumption of sweeteners in mice and its effect on the immune system and the small intestine microbiota. ACTA ACUST UNITED AC 2021; 41:504-530. [PMID: 34559497 PMCID: PMC8519602 DOI: 10.7705/biomedica.5806] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Indexed: 02/08/2023]
Abstract
Introduction: Sweeteners are additives used in different foods. They can be natural (sucrose and stevia) or artificial (sucralose). Currently, they are routinely consumed in multiple products and their effects on the mucosa of the small intestine and its microbiota are still controversial.
Objective: To relate the consumption of sweeteners and their effect on the immune system and the microbiota of the small intestine in CD1 mice.
Materials and methods: We used 54 three-week-old CD1 mice divided into three groups in the experiments: 1) A group of three weeks without treatment, 2) a group treated for six weeks, and 3) a group treated for 12 weeks using sucrose, sucralose, and stevia. We obtained CD19+ B lymphocytes, IgA+ antibodies, transforming growth factor-beta (TGF-b), and interleukins 12 and 17 (IL-12 and -17) from Peyer’s patches and lamina propria cells while DNA was obtained from intestinal solids to identify bacterial species.
Results: After 12 weeks, sucrose and sucralose consumption caused a reduction in bacterial communities with an increase in CD19+, a decrease in IgA+ and TGF-b, and an increase in IL-12 and -17 in the Peyer’s patches while in the lamina propria there was an increase in all parameters. In contrast, stevia led to an improvement in bacterial diversity and percentage of CD19+ lymphocytes with minimal increase in IgA+, TGF-b, and IL-12, and a decrease in IL-17.
Conclusion: Sucrose and sucralose caused negative alterations in bacterial diversity and immune parameters after 12 weeks; in contrast, stevia was beneficial for the intestinal mucosa.
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Baranowski T, Motil KJ. Simple Energy Balance or Microbiome for Childhood Obesity Prevention? Nutrients 2021; 13:nu13082730. [PMID: 34444890 PMCID: PMC8398395 DOI: 10.3390/nu13082730] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 07/30/2021] [Accepted: 08/03/2021] [Indexed: 12/11/2022] Open
Abstract
Obesity prevention interventions generally have either not worked or had effects inadequate to mitigate the problem. They have been predicated on the simple energy balance model, which has been severely questioned by biological scientists. Numerous other etiological mechanisms have been proposed, including the intestinal microbiome, which has been related to childhood obesity in numerous ways. Public health research is needed in regard to diet and the microbiome, which hopefully will lead to effective child obesity prevention.
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Fernández-García V, González-Ramos S, Martín-Sanz P, Laparra JM, Boscá L. Beyond classic concepts in thyroid homeostasis: Immune system and microbiota. Mol Cell Endocrinol 2021; 533:111333. [PMID: 34048865 DOI: 10.1016/j.mce.2021.111333] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 05/18/2021] [Accepted: 05/19/2021] [Indexed: 02/07/2023]
Abstract
It has long been known that thyroid hormones have implications for multiple physiological processes and can lead to serious illness when there is an imbalance in its metabolism. The connections between thyroid hormone metabolism and the immune system have been extensively described, as they can participate in inflammation, autoimmunity, or cancer progression. In addition, changes in the normal intestinal microbiota involve the activation of the immune system while triggering different pathophysiological disorders. Recent studies have linked the microbiota and certain bacterial fragments or metabolites to the regulation of thyroid hormones and the general response in the endocrine system. Even if the biology and function of the thyroid gland has attracted more attention due to its pathophysiological importance, there are essential mechanisms and issues related to it that are related to the interplay between the intestinal microbiota and the immune system and must be further investigated. Here we summarize additional information to uncover these relationships, the knowledge of which would help establish new personalized medical strategies.
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Affiliation(s)
- Victoria Fernández-García
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, 28029, Madrid, Spain; Centro de Investigación Biomédica en Red en Enfermedades Cardiovasculares (CIBERCV), Melchor Fernández Almagro 6, 28029, Madrid, Spain
| | - Silvia González-Ramos
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, 28029, Madrid, Spain; Centro de Investigación Biomédica en Red en Enfermedades Cardiovasculares (CIBERCV), Melchor Fernández Almagro 6, 28029, Madrid, Spain.
| | - Paloma Martín-Sanz
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, 28029, Madrid, Spain; Centro de Investigación Biomédica en Red en Enfermedades Hepáticas y Digestivas (CIBERehd), Melchor Fernández Almagro 6, 28029, Madrid, Spain
| | - José M Laparra
- Madrid Institute for Advanced Studies in Food (IMDEA Food), Ctra. Cantoblanco 8, 28049, Madrid, Spain
| | - Lisardo Boscá
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, 28029, Madrid, Spain; Centro de Investigación Biomédica en Red en Enfermedades Cardiovasculares (CIBERCV), Melchor Fernández Almagro 6, 28029, Madrid, Spain.
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Joh HK, Lee DH, Hur J, Nimptsch K, Chang Y, Joung H, Zhang X, Rezende LFM, Lee JE, Ng K, Yuan C, Tabung FK, Meyerhardt JA, Chan AT, Pischon T, Song M, Fuchs CS, Willett WC, Cao Y, Ogino S, Giovannucci E, Wu K. Simple Sugar and Sugar-Sweetened Beverage Intake During Adolescence and Risk of Colorectal Cancer Precursors. Gastroenterology 2021; 161:128-142.e20. [PMID: 33753105 PMCID: PMC8238879 DOI: 10.1053/j.gastro.2021.03.028] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 02/21/2021] [Accepted: 03/16/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND & AIMS Recent increasing trends in early-onset colorectal cancer (CRC) strongly supports that early-life diet is involved in CRC development. However, data are lacking on the relationship with high sugar intake during early life. METHODS We prospectively investigated the association of adolescent simple sugar (fructose, glucose, added sugar, total sugar) and sugar-sweetened beverage (SSB) intake with CRC precursor risk in 33,106 participants of the Nurses' Health Study II who provided adolescent dietary information in 1998 and subsequently underwent lower gastrointestinal endoscopy between 1999 and 2015. Odds ratios (ORs) and 95% confidence intervals (CIs) were estimated using logistic regression for clustered data. RESULTS During follow-up, 2909 conventional adenomas (758 high-risk) and 2355 serrated lesions were identified (mean age at diagnoses, 52.2 ± 4.3 years). High sugar and SSB intake during adolescence was positively associated with risk of adenoma, but not serrated lesions. Per each increment of 5% of calories from total fructose intake, multivariable ORs were 1.17 (95% CI, 1.05-1.31) for total and 1.30 (95% CI, 1.06-1.60) for high-risk adenoma. By subsite, ORs were 1.12 (95% CI, 0.96-1.30) for proximal, 1.24 (95% CI, 1.05-1.47) for distal, and 1.43 (95% CI, 1.10-1.86) for rectal adenoma. Per 1 serving/day increment in SSB intake, ORs were 1.11 (95% CI, 1.02-1.20) for total and 1.30 (95% CI, 1.08-1.55) for rectal adenoma. Contrary to adolescent intake, sugar and SSB intake during adulthood was not associated with adenoma risk. CONCLUSIONS High intake of simple sugars and SSBs during adolescence was associated with increased risk of conventional adenoma, especially rectal adenoma.
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Affiliation(s)
- Hee-Kyung Joh
- Department of Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea; Department of Family Medicine, Seoul National University Hospital, Seoul, Republic of Korea; Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.
| | - Dong Hoon Lee
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Jinhee Hur
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Katharina Nimptsch
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA,Molecular Epidemiology Research Group, Max Delbrück Center for Molecular Medicine (MDC), Berlin, Germany
| | - Yoosoo Chang
- Center for Cohort Studies, Total Healthcare Center, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea,Department of Occupational and Environmental Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea,Department of Clinical Research Design & Evaluation, SAIHST, Sungkyunkwan University, Seoul, Republic of Korea
| | - Hyojee Joung
- Department of Public Health, Graduate School of Public Health & Institute of Health and Environment, Seoul National University, Gwanak-gu, Seoul, Republic of Korea
| | - Xuehong Zhang
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Leandro F. M. Rezende
- Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Medicina Preventiva. São Paulo, SP, Brazil
| | - Jung Eun Lee
- Department of Food and Nutrition, College of Human Ecology, Seoul National University, Seoul, Republic of Korea,Research Institute of Human Ecology, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
| | - Kimmie Ng
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Chen Yuan
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Fred K Tabung
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA,The Ohio State University College of Medicine and Comprehensive Cancer Center, OH, USA
| | - Jeffrey A. Meyerhardt
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Andrew T Chan
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA,Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA,Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA,Broad Institute of MIT and Harvard, Cambridge, MA, USA,Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Tobias Pischon
- Molecular Epidemiology Research Group, Max Delbrück Center for Molecular Medicine (MDC), Berlin, Germany
| | - Mingyang Song
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA,Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA,Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Charles S. Fuchs
- Yale Cancer Center, Department of Medicine, Yale School of Medicine and Smilow Cancer Hospital, New Haven, CT, USA
| | - Walter C. Willett
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA,Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Yin Cao
- Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA,Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA,Alvin J. Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO, USA
| | - Shuji Ogino
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA,Broad Institute of MIT and Harvard, Cambridge, MA, USA,Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Edward Giovannucci
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA,Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Kana Wu
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
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Chang VC, Cotterchio M, De P, Tinmouth J. Risk factors for early-onset colorectal cancer: a population-based case-control study in Ontario, Canada. Cancer Causes Control 2021; 32:1063-1083. [PMID: 34120288 PMCID: PMC8416813 DOI: 10.1007/s10552-021-01456-8] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 05/30/2021] [Indexed: 02/06/2023]
Abstract
Purpose There has been an alarming increase in colorectal cancer (CRC) incidence among young adults aged < 50 years, and factors driving this upward trend are unknown. This study investigated associations between various medical, lifestyle, and dietary factors and risk of early-onset CRC (EO-CRC). Methods A population-based case–control study was conducted in Ontario, Canada during 2018–2019. EO-CRC cases aged 20–49 years (n = 175) were identified from the Ontario Cancer Registry; sex- and age group-matched controls (n = 253) were recruited through random digit dialing. Data on potential a priori risk factors were collected using a web-based self-reported questionnaire. Odds ratios (OR) and 95% confidence intervals (CI) were estimated using multivariable logistic regression. Results Family history of CRC in a first- or second-degree relative (OR 2.37; 95% CI 1.47–3.84), longer sedentary time (≥ 10 vs. < 5 h/day, OR 1.93; 95% CI 1.02–3.65), greater consumption of sugary drinks (≥ 7 vs. < 1 drinks/week, OR 2.99; 95% CI 1.57–5.68), and a more Westernized dietary pattern (quartile 4 vs. 1, OR 1.92; 95% CI 1.01–3.66) were each associated with an increased risk of EO-CRC. Conversely, calcium supplement use (OR 0.53; 95% CI 0.31–0.92), history of allergy or asthma (OR 0.62; 95% CI 0.39–0.98), and greater parity in females (≥ 3 vs. nulliparity, OR 0.29; 95% CI 0.11–0.76) were each associated with a reduced risk. Conclusion Modifiable factors, particularly sedentary behavior and unhealthy diet including sugary drink consumption, may be associated with EO-CRC risk. Our findings, if replicated, may help inform prevention strategies targeted at younger persons. Supplementary Information The online version contains supplementary material available at 10.1007/s10552-021-01456-8.
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Affiliation(s)
- Vicky C Chang
- Prevention and Cancer Control, Clinical Institutes and Quality Programs, Ontario Health (Cancer Care Ontario), Toronto, ON, Canada.
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada.
| | - Michelle Cotterchio
- Prevention and Cancer Control, Clinical Institutes and Quality Programs, Ontario Health (Cancer Care Ontario), Toronto, ON, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - Prithwish De
- Prevention and Cancer Control, Clinical Institutes and Quality Programs, Ontario Health (Cancer Care Ontario), Toronto, ON, Canada
| | - Jill Tinmouth
- Prevention and Cancer Control, Clinical Institutes and Quality Programs, Ontario Health (Cancer Care Ontario), Toronto, ON, Canada
- Department of Medicine, Sunnybrook Health Sciences Centre and University of Toronto, Toronto, ON, Canada
- Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada
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Abstract
COVID-19 pandemic continues to be a global health crisis. The gut microbiome critically affects the immune system, and some respiratory infections are associated with changes in the gut microbiome; here, we evaluated the role of nutritional and lifestyle habits that modulate gut microbiota on COVID-19 outcomes in a longitudinal cohort study that included 200 patients infected with COVID-19. Of these, 122 cases were mild and seventy-eight were moderate, according to WHO classification. After detailed explanation by a consultant in clinical nutrition, participants responded to a written questionnaire on daily sugar, prebiotic intake in food, sleeping hours, exercise duration and antibiotic prescription, during the past 1 year before infection. Daily consumption of prebiotic-containing foods, less sugar, regular exercise, adequate sleep and fewer antibiotic prescriptions led to a milder disease and rapid virus clearance. Additionally, data on these factors were compiled into a single score, the ESSAP score (Exercise, Sugar consumption, Sleeping hours, Antibiotics taken, and Prebiotics consumption; 0–11 points), median ESSAP score was 5 for both mild and moderate cases; however, the range was 4–8 in mild cases, but 1–6 in moderate (P = 0·001, OR: 4·2, 95 % CI 1·9, 9·1); our results showed a negative correlation between regular consumption of yogurt containing probiotics and disease severity (P = 0·007, OR: 1·6, 95 % CI 1·1, 2·1). Mild COVID-19 disease was associated with 10–20 min of daily exercise (P = 0·016), sleeping at least 8 h daily, prescribed antibiotics less than 5 times per year (P = 0·077) and ate plenty of prebiotic-containing food.
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49
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Abuqwider JN, Mauriello G, Altamimi M. Akkermansia muciniphila, a New Generation of Beneficial Microbiota in Modulating Obesity: A Systematic Review. Microorganisms 2021; 9:1098. [PMID: 34065217 PMCID: PMC8161007 DOI: 10.3390/microorganisms9051098] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/16/2021] [Accepted: 05/18/2021] [Indexed: 12/20/2022] Open
Abstract
Obesity is a complex syndrome and is recognized as the ultimate pathway of many chronic diseases. Studies using Akkermansia muciniphila supplementation strategy have proved to be effective for the prevention and treatment of obesity and other metabolic disorders. Although there are studies that support the protective effect of this strategy, the effects on the prevention of obesity on humans are not clear yet and need more investigation. The aim of this study is to investigate the effect of A. muciniphila administration on modulating obesity. This systematic review was generated from articles published within the last 10 years. All articles were in English and included animal subjects. The review relied on the search engines Google Scholar, Pub Med, Web of Science and Medline using the following keywords: A. muciniphila, next-generation probiotic, new-generation probiotic, obesity, fat mass, body fat and lipid profile. The search has revealed 804 articles with relevant key words. After the exclusion of irrelevant articles, 10 studies were selected based on the criteria. These studies were randomized controlled trials that have shown that A. muciniphila modulates obesity by regulating metabolism and energy hemostasis and improving insulin sensitivity and glucose hemostasis. In addition, studies showed this microorganism enhances low grade inflammation by different mechanisms.
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Affiliation(s)
- Jumana Nabil Abuqwider
- Department of Nutrition and Food Technology, Faculty of Agriculture and Veterinary Medicine, An-Najah National University, Nablus P.O. Box 7, Palestine; (J.N.A.); (M.A.)
- Department of Agricultural Science, University of Naples Federico II, 80049 Naples, Italy
| | - Gianluigi Mauriello
- Department of Agricultural Science, University of Naples Federico II, 80049 Naples, Italy
| | - Mohammad Altamimi
- Department of Nutrition and Food Technology, Faculty of Agriculture and Veterinary Medicine, An-Najah National University, Nablus P.O. Box 7, Palestine; (J.N.A.); (M.A.)
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50
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Dingeo G, Brito A, Samouda H, Iddir M, La Frano MR, Bohn T. Phytochemicals as modifiers of gut microbial communities. Food Funct 2021; 11:8444-8471. [PMID: 32996966 DOI: 10.1039/d0fo01483d] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A healthy gut microbiota (GM) is paramount for a healthy lifestyle. Alterations of the GM have been involved in the aetiology of several chronic diseases, including obesity and type 2 diabetes, as well as cardiovascular and neurodegenerative diseases. In pathological conditions, the diversity of the GM is commonly reduced or altered, often toward an increased Firmicutes/Bacteroidetes ratio. The colonic fermentation of dietary fiber has shown to stimulate the fraction of bacteria purported to have beneficial health effects, acting as prebiotics, and to increase the production of short chain fatty acids, e.g. propionate and butyrate, while also improving gut epithelium integrity such as tight junction functionality. However, a variety of phytochemicals, often associated with dietary fiber, have also been proposed to modulate the GM. Many phytochemicals possess antioxidant and anti-inflammatory properties that may positively affect the GM, including polyphenols, carotenoids, phytosterols/phytostanols, lignans, alkaloids, glucosinolates and terpenes. Some polyphenols may act as prebiotics, while carotenoids have been shown to alter immunoglobulin A expression, an important factor for bacteria colonization. Other phytochemicals may interact with the mucosa, another important factor for colonization, and prevent its degradation. Certain polyphenols have shown to influence bacterial communication, interacting with quorum sensing. Finally, phytochemicals can be metabolized in the gut into bioactive constituents, e.g. equol from daidzein and enterolactone from secoisolariciresinol, while bacteria can use glycosides for energy. In this review, we strive to highlight the potential interactions between prominent phytochemicals and health benefits related to the GM, emphasizing their potential as adjuvant strategies for GM-related diseases.
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Affiliation(s)
| | - Alex Brito
- Luxembourg Institute of Health, Population Health Department, Nutrition and Health Research Group, 1A-B, rue Thomas Edison, Strassen L-1445, Luxembourg. and Laboratory of Pharmacokinetics and Metabolomic Analysis, Institute of Translational Medicine and Biotechnology, I.M. Sechenov First Moscow Medical University, Moscow, Russia.
| | - Hanen Samouda
- Luxembourg Institute of Health, Population Health Department, Nutrition and Health Research Group, 1A-B, rue Thomas Edison, Strassen L-1445, Luxembourg.
| | - Mohammed Iddir
- Luxembourg Institute of Health, Population Health Department, Nutrition and Health Research Group, 1A-B, rue Thomas Edison, Strassen L-1445, Luxembourg.
| | - Michael R La Frano
- Department of Food Science and Nutrition, California Polytechnic State University, San Luis Obispo, CA, USA. and Center for Health Research, California Polytechnic State University, San Luis Obispo, CA, USA.
| | - Torsten Bohn
- Luxembourg Institute of Health, Population Health Department, Nutrition and Health Research Group, 1A-B, rue Thomas Edison, Strassen L-1445, Luxembourg.
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