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Brichacek AL, Florkowski M, Abiona E, Frank KM. Ultra-Processed Foods: A Narrative Review of the Impact on the Human Gut Microbiome and Variations in Classification Methods. Nutrients 2024; 16:1738. [PMID: 38892671 PMCID: PMC11174918 DOI: 10.3390/nu16111738] [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: 04/26/2024] [Revised: 05/28/2024] [Accepted: 05/29/2024] [Indexed: 06/21/2024] Open
Abstract
Ultra-processed foods (UPFs) are foods that are industrially processed and are often pre-packaged, convenient, energy-dense, and nutrient-poor. UPFs are widespread in the current Western diet and their proposed contribution to non-communicable diseases such as obesity and cardiovascular disease is supported by numerous studies. UPFs are hypothesized to affect the body in multiple ways, including by inducing changes in the gut microbiome. This review summarizes the available research on the effect of UPFs on the gut microbiome. We also review current usage of the NOVA food classification system in randomized controlled trials and observational studies and how its implementation effects UPF research. Despite some differences in methodology between studies, results often associate UPF consumption with a number of negative health consequences. There are attempts to standardize a UPF classification system; however, reaching and implementing a consensus is difficult. Future studies focusing on the mechanisms by which UPFs effect the body, including through the microbiome and metabolome, will be essential to refine our understanding of the effects of UPFs on human health.
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Affiliation(s)
| | | | | | - Karen M. Frank
- Department of Laboratory Medicine, National Institutes of Health Clinical Center, Building 10, 10 Center Drive MSC 1508, Bethesda, MD 20892, USA; (A.L.B.); (M.F.); (E.A.)
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2
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Häupl T, Sörensen T, Smiljanovic B, Darcy M, Scheder-Bieschin J, Steckhan N, Hartmann AM, Koppold DA, Stuhlmüller B, Skriner K, Walewska BM, Hoppe B, Bonin M, Burmester GR, Schendel P, Feist E, Liere K, Meixner M, Kessler C, Grützkau A, Michalsen A. Intestinal Microbiota Reduction Followed by Fasting Discloses Microbial Triggering of Inflammation in Rheumatoid Arthritis. J Clin Med 2023; 12:4359. [PMID: 37445394 DOI: 10.3390/jcm12134359] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/03/2023] [Accepted: 06/09/2023] [Indexed: 07/15/2023] Open
Abstract
Rheumatoid arthritis (RA) synovitis is dominated by monocytes/macrophages with inflammatory patterns resembling microbial stimulation. In search of triggers, we reduced the intestinal microbiome in 20 RA patients (open label study DRKS00014097) by bowel cleansing and 7-day fasting (≤250 kcal/day) and performed immune monitoring and microbiome sequencing. Patients with metabolic syndrome (n = 10) served as a non-inflammatory control group. Scores of disease activity (DAS28/SDAI) declined within a few days and were improved in 19 of 20 RA patients after breaking the fast (median ∆DAS28 = -1.23; ∆SDAI = -43%) or even achieved remission (DAS28 < 2.6/n = 6; SDAI < 3.3/n = 3). Cytometric profiling with 46 different surface markers revealed the most pronounced phenomenon in RA to be an initially increased monocyte turnover, which improved within a few days after microbiota reduction and fasting. Serum levels of IL-6 and zonulin, an indicator of mucosal barrier disruption, decreased significantly. Endogenous cortisol levels increased during fasting but were insufficient to explain the marked improvement. Sequencing of the intestinal microbiota indicated that fasting reduced potentially arthritogenic bacteria and changed the microbial composition to species with broader metabolic capabilities. More eukaryotic, predominantly fungal colonizers were observed in RA, suggesting possible involvement. This study demonstrates a direct link between the intestinal microbiota and RA-specific inflammation that could be etiologically relevant and would support targeted nutritional interventions against gut dysbiosis as a causal therapeutic approach.
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Affiliation(s)
- Thomas Häupl
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
- Institute of Social Medicine, Epidemiology and Health Economics, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
- Department of Rheumatology, Helios Fachklinik Vogelsang-Gommern GmbH, 39245 Gommern, Germany
| | - Till Sörensen
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
| | - Biljana Smiljanovic
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
| | - Marine Darcy
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
| | - Justus Scheder-Bieschin
- Institute of Social Medicine, Epidemiology and Health Economics, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
| | - Nico Steckhan
- Institute of Social Medicine, Epidemiology and Health Economics, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
| | - Anika M Hartmann
- Institute of Social Medicine, Epidemiology and Health Economics, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
- Department of Dermatology, Venereology and Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
| | - Daniela A Koppold
- Institute of Social Medicine, Epidemiology and Health Economics, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
- Department of Internal and Integrative Medicine, Immanuel Hospital Berlin, 14109 Berlin, Germany
- Department of Pediatrics, Division of Oncology and Hematology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität Berlin and Berlin Institute of Health, 10117 Berlin, Germany
| | - Bruno Stuhlmüller
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
| | - Karl Skriner
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
| | - Barbara M Walewska
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
| | - Berthold Hoppe
- Institute of Laboratory Medicine, Unfallkrankenhaus Berlin, 12683 Berlin, Germany
| | - Marc Bonin
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
| | - Gerd R Burmester
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
| | - Pascal Schendel
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
| | - Eugen Feist
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
- Department of Rheumatology, Helios Fachklinik Vogelsang-Gommern GmbH, 39245 Gommern, Germany
| | - Karsten Liere
- Amedes Genetics, 10117 Berlin, Germany
- Services in Molecular Biology GmbH, 10115 Rüdersdorf, Germany
| | - Martin Meixner
- Amedes Genetics, 10117 Berlin, Germany
- Services in Molecular Biology GmbH, 10115 Rüdersdorf, Germany
| | - Christian Kessler
- Institute of Social Medicine, Epidemiology and Health Economics, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
- Department of Internal and Integrative Medicine, Immanuel Hospital Berlin, 14109 Berlin, Germany
| | | | - Andreas Michalsen
- Institute of Social Medicine, Epidemiology and Health Economics, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität Berlin, 10117 Berlin, Germany
- Department of Internal and Integrative Medicine, Immanuel Hospital Berlin, 14109 Berlin, Germany
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Pantoja-Feliciano IG, Karl JP, Perisin M, Doherty LA, McClung HL, Armstrong NJ, Renberg R, Racicot K, Branck T, Arcidiacono S, Soares JW. In vitro gut microbiome response to carbohydrate supplementation is acutely affected by a sudden change in diet. BMC Microbiol 2023; 23:32. [PMID: 36707764 PMCID: PMC9883884 DOI: 10.1186/s12866-023-02776-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 01/16/2023] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND Interactions between diet, stress and the gut microbiome are of interest as a means to modulate health and performance. Here, in vitro fermentation was used to explore the effects of a sudden change in diet, 21 days sole sustenance on the Meal, Ready-to-Eat (MRE) U.S. military combat ration, on inter-species competition and functional potential of the human gut microbiota. Human fecal samples collected before and after MRE intervention or consuming a habitual diet (HAB) were introduced to nutrient-rich media supplemented with starch for in vitro fermentation under ascending colon conditions. 16S rRNA amplicon and Whole-metagenome sequencing (WMS) were used to measure community composition and functional potential. Specific statistical analyses were implemented to detect changes in relative abundance from taxa, genes and pathways. RESULTS Differential changes in relative abundance of 11 taxa, Dorea, Lachnospira, Bacteroides fragilis, Akkermansia muciniphila, Bifidobacterium adolescentis, Betaproteobacteria, Enterobacteriaceae, Bacteroides egerthii, Ruminococcus bromii, Prevotella, and Slackia, and nine Carbohydrate-Active Enzymes, specifically GH13_14, over the 24 h fermentation were observed as a function of the diet intervention and correlated to specific taxa of interest. CONCLUSIONS These findings suggest that consuming MRE for 21 days acutely effects changes in gut microbiota structure in response to carbohydrate but may induce alterations in metabolic capacity. Additionally, these findings demonstrate the potential of starch as a candidate supplemental strategy to functionally modulate specific gut commensals during stress-induced states.
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Affiliation(s)
| | - J. Philip Karl
- grid.420094.b0000 0000 9341 8465Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine (USARIEM), Natick, MA USA
| | - Matthew Perisin
- grid.420282.e0000 0001 2151 958XU.S. Army DEVCOM Army Research Laboratory, Adelphi, MD USA
| | - Laurel A. Doherty
- Soldier Effectiveness Directorate (SED), U.S. Army DEVCOM Soldier Center, Natick, MA USA
| | - Holly L. McClung
- grid.420094.b0000 0000 9341 8465Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine (USARIEM), Natick, MA USA
| | - Nicholes J. Armstrong
- grid.420094.b0000 0000 9341 8465Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine (USARIEM), Natick, MA USA
| | - Rebecca Renberg
- grid.420282.e0000 0001 2151 958XGeneral Technical Services, U.S. Army DEVCOM Army Research Laboratory, Adelphi, MD USA
| | - Kenneth Racicot
- Soldier Effectiveness Directorate (SED), U.S. Army DEVCOM Soldier Center, Natick, MA USA
| | - Tobyn Branck
- Soldier Effectiveness Directorate (SED), U.S. Army DEVCOM Soldier Center, Natick, MA USA
| | - Steve Arcidiacono
- Soldier Effectiveness Directorate (SED), U.S. Army DEVCOM Soldier Center, Natick, MA USA
| | - Jason W. Soares
- Soldier Effectiveness Directorate (SED), U.S. Army DEVCOM Soldier Center, Natick, MA USA
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Wang Z, Yang L, Sun S. Effect of Intestinal Microbiota Transplantation on Intestinal Flora and Inflammatory Factor Levels in Patients with Ulcerative Colitis. Infect Drug Resist 2023; 16:1183-1191. [PMID: 36879853 PMCID: PMC9985455 DOI: 10.2147/idr.s394614] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 02/04/2023] [Indexed: 03/04/2023] Open
Abstract
Objective The present study was performed to evaluate the effect of intestinal microbiota transplantation (IMT) on intestinal flora and inflammatory factor levels in patients with ulcerative colitis (UC). Methods In this study, 94 UC patients who attended the Department of Proctology or the Department of Gastroenterology departments of Sinopharm Dongfeng General Hospital between April 2021 and April 2022 were identified as research participants and were assigned to the control or Research Groups via the random number table method, with 47 cases in each group. Interventions included oral mesalamine for patients in the control group and oral mesalamine plus IMT for those in the research group. Outcome measures included clinical efficacy, intestinal microbiota score, enteroscopy score, Sutherland index, inflammatory factor level, intestinal mucosal barrier function level, and adverse reactions. Results Mesalamine plus IMT was associated with significantly higher treatment efficiency (97.8%) versus mesalamine alone (80.85%) (P<0.05). Mesalamine plus IMT provided a better intestinal microbiota balance and milder disease symptoms versus mesalamine, as evidenced by the significantly lower intestinal microbiota scores, colonoscopy scores, and Sutherland index (P<0.05). In post-treatment, patients with IMT exhibited more mitigated inflammatory responses than those without, as shown by the higher levels of tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-17 (IL-17), and interleukin-23 (IL-23) (P<0.05). Significantly lower D-lactate and serum diamine oxidase (DAO) levels were observed after IMT intervention than those with mesalamine alone (P<0.05). IMT features no significant increase in adverse effects than the control group (P>0.05). Conclusion IMT efficiently ameliorates the intestinal microbiota conditions of UC patients, mitigates inflammatory responses in the body, and facilitates the restoration of intestinal mucosal barrier function with no significant increase in adverse effects.
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Affiliation(s)
- Zhi Wang
- Pediatric Gastrointestinal Surgery, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, People's Republic of China
| | - Li Yang
- Gastroenterology, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, People's Republic of China
| | - Shan Sun
- Gastroenterology, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, People's Republic of China
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Karl JP, Armstrong NJ, Player RA, Rood JC, Soares JW, McClung HL. The Fecal Metabolome Links Diet Composition, Foacidic positive ion conditions, chromatographicallyod Processing, and the Gut Microbiota to Gastrointestinal Health in a Randomized Trial of Adults Consuming a Processed Diet. J Nutr 2022; 152:2343-2357. [PMID: 36774101 DOI: 10.1093/jn/nxac161] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/17/2022] [Accepted: 07/15/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Food processing alters diet digestibility and composition, thereby influencing interactions between host biology, diet, and the gut microbiota. The fecal metabolome offers insight into those relations by providing a readout of diet-microbiota interactions impacting host health. OBJECTIVES The aims were to determine the effects of consuming a processed diet on the fecal metabolome and to explore relations between changes in the fecal metabolome with fecal microbiota composition and gastrointestinal health markers. METHODS This was a secondary analysis of a randomized controlled trial wherein healthy adults [94% male; 18-61 y; BMI (kg/m2): 26 ± 3] consumed their usual diet [control (CON), n = 27] or a Meal, Ready-to-EatTM (Ameriqual Packaging) military ration diet composed of processed, shelf-stable, ready-to-eat items for 21 d (MRE; n = 27). Fecal metabolite profiles, fecal microbiota composition, biomarkers of intestinal barrier function, and gastrointestinal symptoms were measured before and after the intervention. Between-group differences and associations were assessed using nonparametric t tests, partial least-squares discriminant analysis, correlation, and redundancy analysis. RESULTS Fecal concentrations of multiple dipeptides [Mann-Whitney effect size (ES) = 0.27-0.50] and long-chain SFAs (ES = 0.35-0.58) increased, whereas plant-derived compounds (ES = 0.31-0.60) decreased in MRE versus CON (P < 0.05; q < 0.20). Changes in dipeptides correlated positively with changes in fecal concentrations of Maillard-reaction products (ρ = 0.29-0.70; P < 0.05) and inversely with changes in serum prealbumin (ρ = -0.30 to -0.48; P ≤ 0.03). Multiple bile acids, coffee and caffeine metabolites, and plant-derived compounds were associated with both fecal microbiota composition and gastrointestinal health markers, with changes in fecal microbiota composition explaining 26% of the variability within changes in gastrointestinal health-associated fecal metabolites (P = 0.001). CONCLUSIONS Changes in the fecal metabolomes of adults consuming a Meal, Ready-to-EatTM diet implicate interactions between diet composition, diet digestibility, and the gut microbiota as contributing to variability within gastrointestinal responses to the diet. Findings underscore the need to consider both food processing and nutrient composition when investigating the impact of diet-gut microbiota interactions on health outcomes. This trial was registered at www. CLINICALTRIALS gov as NCT02423551.
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Affiliation(s)
- J Philip Karl
- Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, MA, USA.
| | - Nicholes J Armstrong
- Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, MA, USA
| | - Robert A Player
- Johns Hopkins University Applied Physics Laboratory, Laurel, MD, USA
| | | | - Jason W Soares
- Soldier Effectiveness Directorate, US Army Combat Capabilities Development Command Soldier Center, Natick, MA, USA
| | - Holly L McClung
- Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, MA, USA
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Ellis JL, Karl JP, Oliverio AM, Fu X, Soares JW, Wolfe BE, Hernandez CJ, Mason JB, Booth SL. Dietary vitamin K is remodeled by gut microbiota and influences community composition. Gut Microbes 2022; 13:1-16. [PMID: 33651646 PMCID: PMC7928036 DOI: 10.1080/19490976.2021.1887721] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Vitamins have well-established roles in bacterial metabolism. Menaquinones (MKn, n = prenyl units in sidechain) are bacterially produced forms of vitamin K produced by the gut microbiota and consumed in the diet. Little is known about the influence of dietary vitamin K quinones on gut microbial composition and MKn production. Here, male and female C57BL6 mice were fed a vitamin K deficient diet or vitamin K sufficient diets containing phylloquinone (PK, plant-based vitamin K form), MK4, and/or MK9. DNA was extracted from cecal contents and 16S sequencing conducted to assess microbial composition. Cecal microbial community composition was significantly different in vitamin K deficient female mice compared to females on vitamin K sufficient diets (all p < .007). Parallel trends were seen in male mice, but were not statistically significant (all p > .05 but <0.1). Next, stable isotope-labeled vitamin K quinones were supplemented to male and female C57BL6 mice (2H7PK, 13C11MK4, 2H7MK7, 2H7MK9) and to an in vitro fermentation model inoculated with human stool (2H7PK, 2H7MK4, 2H7MK9, or vitamin K precursor 2H8-menadione). Vitamin K quinones in feces and culture aliquots were measured using LC-MS. In vivo, supplemented vitamin K quinones were remodeled to other MKn (2H7- or 13C6-labeled MK4, MK10, MK11, and MK12), but in vitro only the precursor 2H8-menadione was remodeled to 2H7MK4, 2H7MK9, 2H7MK10, and 2H7MK11. These results suggest that dietary vitamin K deficiency alters the gut microbial community composition. Further studies are needed to determine if menadione generated by host metabolism may serve as an intermediate in dietary vitamin K remodeling in vivo.
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Affiliation(s)
- Jessie L. Ellis
- Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA,The Friedman School of Nutrition Science & Policy, Tufts University, Boston, MA, USA
| | - J. Philip Karl
- Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, MA, USA
| | - Angela M. Oliverio
- Department of Ecology and Evolutionary Biology, University of Colorado-Boulder, Boulder, CO, USA
| | - Xueyan Fu
- Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA
| | - Jason W. Soares
- Soldier Effectiveness Directorate, US Army Combat Capabilities Developmental Command Soldier Center, Natick, MA, USA
| | | | - Christopher J. Hernandez
- Schools of Mechanical and Aerospace Engineering & Biomedical Engineering, Cornell University, Ithaca, NY, USA
| | - Joel B. Mason
- Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA,The Friedman School of Nutrition Science & Policy, Tufts University, Boston, MA, USA
| | - Sarah L. Booth
- Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA,CONTACT Sarah L. Booth 711 Washington Street, Boston, MA 02111, USA
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Sayers B, Wijeyesekera A, Gibson G. Exploring the potential of prebiotic and polyphenol-based dietary interventions for the alleviation of cognitive and gastrointestinal perturbations associated with military specific stressors. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104753] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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Yáñez F, Soler Z, Oliero M, Xie Z, Oyarzun I, Serrano-Gómez G, Manichanh C. Integrating Dietary Data into Microbiome Studies: A Step Forward for Nutri-Metaomics. Nutrients 2021; 13:2978. [PMID: 34578856 PMCID: PMC8468122 DOI: 10.3390/nu13092978] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/04/2021] [Accepted: 08/25/2021] [Indexed: 12/18/2022] Open
Abstract
Diet is recognised as the main driver of changes in gut microbiota. However, linking habitual dietary intake to microbiome composition and activity remains a challenge, leaving most microbiome studies with little or no dietary information. To fill this knowledge gap, we conducted two consecutive studies (n = 84: a first pilot study (n = 40) to build a web-based, semi-quantitative simplified FFQ (sFFQ) based on three 24-h dietary recalls (24HRs); a second study (n = 44) served to validate the newly developed sFFQ using three 24HRs as reference method and to relate gut microbiome profiling (16S rRNA gene) with the extracted dietary and lifestyle data. Relative validation analysis provided acceptable classification and agreement for 13 out of 24 (54%) food groups and 20 out of 29 nutrients (69%) based on intraclass correlation coefficient, cross-classification, Spearman's correlation, Wilcoxon test, and Bland-Altman. Microbiome analysis showed that higher diversity was positively associated with age, vaginal birth, and intake of fruit. In contrast, microbial diversity was negatively associated with BMI, processed meats, ready-to-eat meals, sodium, and saturated fat. Our analysis also revealed a correlation between food groups or nutrients and microbial composition. Overall, we provide the first dietary assessment tool to be validated and correlated with microbiome data for population studies.
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Affiliation(s)
- Francisca Yáñez
- Gut Microbiome Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain
- Departament de Medicina, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Zaida Soler
- Gut Microbiome Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain
- Departament de Medicina, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Manon Oliero
- Gut Microbiome Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain
| | - Zixuan Xie
- Gut Microbiome Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain
- Departament de Medicina, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Iñigo Oyarzun
- Gut Microbiome Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain
| | - Gerard Serrano-Gómez
- Gut Microbiome Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain
| | - Chaysavanh Manichanh
- Gut Microbiome Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain
- Departament de Medicina, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
- Gut Microbiome Group, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), 28029 Madrid, Spain
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9
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Javelle E, Mayet A, Million M, Levasseur A, Allodji RS, Marimoutou C, Lavagna C, Desplans J, Fournier PE, Raoult D, Texier G. Gut Microbiota in Military International Travelers with Doxycycline Malaria Prophylaxis: Towards the Risk of a Simpson Paradox in the Human Microbiome Field. Pathogens 2021; 10:pathogens10081063. [PMID: 34451527 PMCID: PMC8400693 DOI: 10.3390/pathogens10081063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/13/2021] [Accepted: 08/19/2021] [Indexed: 11/16/2022] Open
Abstract
Dysbiosis, developed upon antibiotic administration, results in loss of diversity and shifts in the abundance of gut microbes. Doxycycline is a tetracycline antibiotic widely used for malaria prophylaxis in travelers. We prospectively studied changes in the fecal microbiota of 15 French soldiers after a 4-month mission to Mali with doxycycline malaria prophylaxis, compared to changes in the microbiota of 28 soldiers deployed to Iraq and Lebanon without doxycycline. Stool samples were collected with clinical data before and after missions, and 16S rRNA sequenced on MiSeq targeting the V3-V4 region. Doxycycline exposure resulted in increased alpha-biodiversity and no significant beta-dissimilarities. It led to expansion in Bacteroides, with a reduction in Bifidobacterium and Lactobacillus, as in the group deployed without doxycycline. Doxycycline did not alter the community structure and was specifically associated with a reduction in Escherichia and expression of Rothia. Differences in the microbiota existed at baseline between military units but not within the studied groups. This group-effect highlighted the risk of a Simpson paradox in microbiome studies.
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Affiliation(s)
- Emilie Javelle
- Laveran Military Teaching Hospital, Boulevard Alphonse Laveran, 13013 Marseille, France
- IRD, AP-HM, SSA, VITROME, Aix Marseille University, 13000 Marseille, France; (P.E.F.); (G.T.)
- IHU-Méditerranée Infection, 19–21 Boulevard Alphonse Laveran, 13013 Marseille, France; (M.M.); (A.L.); (D.R.)
- Correspondence: ; Tel.: +33-(0)6-32-41-99-03; Fax: +33-(0)4-13-73-24-02
| | - Aurélie Mayet
- Centre d’Epidémiologie et de Santé Publique des Armées (CESPA), 13014 Marseille, France; (A.M.); (C.M.); (C.L.); (J.D.)
- INSERM, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l’Information Médicale, Aix Marseille University, 13000 Marseille, France
| | - Matthieu Million
- IHU-Méditerranée Infection, 19–21 Boulevard Alphonse Laveran, 13013 Marseille, France; (M.M.); (A.L.); (D.R.)
- IRD, AP-HM, SSA, MEPHI, Aix Marseille University, 13000 Marseille, France
| | - Anthony Levasseur
- IHU-Méditerranée Infection, 19–21 Boulevard Alphonse Laveran, 13013 Marseille, France; (M.M.); (A.L.); (D.R.)
- Centre d’Epidémiologie et de Santé Publique des Armées (CESPA), 13014 Marseille, France; (A.M.); (C.M.); (C.L.); (J.D.)
- IRD, AP-HM, SSA, MEPHI, Aix Marseille University, 13000 Marseille, France
| | - Rodrigue S. Allodji
- Radiation Epidemiology Team, CESP, Inserm U1018, 94800 Villejuif, France;
- Université Paris-Saclay, UVSQ, Inserm, CESP, 94807 Villejuif, France
- Department of Research, Gustave Roussy, 94800 Villejuif, France
| | - Catherine Marimoutou
- Centre d’Epidémiologie et de Santé Publique des Armées (CESPA), 13014 Marseille, France; (A.M.); (C.M.); (C.L.); (J.D.)
- INSERM, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l’Information Médicale, Aix Marseille University, 13000 Marseille, France
- CIC Inserm 1410, CHU de La Réunion, 97400 La Réunion, France
| | - Chrystel Lavagna
- Centre d’Epidémiologie et de Santé Publique des Armées (CESPA), 13014 Marseille, France; (A.M.); (C.M.); (C.L.); (J.D.)
| | - Jérôme Desplans
- Centre d’Epidémiologie et de Santé Publique des Armées (CESPA), 13014 Marseille, France; (A.M.); (C.M.); (C.L.); (J.D.)
| | - Pierre Edouard Fournier
- IRD, AP-HM, SSA, VITROME, Aix Marseille University, 13000 Marseille, France; (P.E.F.); (G.T.)
- IHU-Méditerranée Infection, 19–21 Boulevard Alphonse Laveran, 13013 Marseille, France; (M.M.); (A.L.); (D.R.)
| | - Didier Raoult
- IHU-Méditerranée Infection, 19–21 Boulevard Alphonse Laveran, 13013 Marseille, France; (M.M.); (A.L.); (D.R.)
- IRD, AP-HM, SSA, MEPHI, Aix Marseille University, 13000 Marseille, France
| | - Gaëtan Texier
- IRD, AP-HM, SSA, VITROME, Aix Marseille University, 13000 Marseille, France; (P.E.F.); (G.T.)
- Centre d’Epidémiologie et de Santé Publique des Armées (CESPA), 13014 Marseille, France; (A.M.); (C.M.); (C.L.); (J.D.)
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Seidel G, Kotchman H, Milner E, O'Donovan KJ. The Underlying Effects of Celiac Disease and Subsequent Implications on Deployment in the United States Army. Mil Med 2021; 187:e322-e328. [PMID: 33928388 DOI: 10.1093/milmed/usab177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 04/01/2021] [Accepted: 04/21/2021] [Indexed: 11/13/2022] Open
Abstract
INTRODUCTION The purpose of this review is to provide an overview of the etiology, pathology, and treatments for celiac disease (CD), as well as to provide context as to how CD impacts the U.S. military. MATERIALS AND METHODS To conduct this review, the authors surveyed recent epidemiology and immunology literature in order to provide a detailed summary of the current understanding of CD, its diagnosis, and the real-world impacts within the Department of Defense (DoD). RESULTS We described the gluten proteins and both the immune response in CD. We further describe the underlying genetic risk factors and diagnosis and pathogenesis of the disease and conclude the review with a discussion of how current DoD regulations impact U.S. military readiness. CONCLUSION Celiac disease (CD) is an autoimmune disorder that results in damage to the small intestine. Ingestion of gluten in a CD patient is usually followed by villous atrophy in the small intestine, often along with other gastrointestinal symptoms. Around 1% of patients diagnosed with CD can experience complications if gluten-free diet is not followed, including intestinal lymphoma and hyposplenism. Therefore, a patient showing possible symptoms should discuss the diagnostic process with their healthcare providers to ensure adequate understanding of serological and genetic tests along with the histological examination of intestinal biopsy. Patients should seek consults with registered dietitians to structure their diets appropriately. Considering the prevalence and incidence of CD and gluten intolerances are increasing, the military should consider providing gluten-free Meals Ready-to-Eat as an option for all service members. Given the retention of service members with CD, subsequent admission of personnel with mild CD that does not affect the duties will allow the DoD access to a growing population of fully capable service members with critical technical skills who are eager to serve the USA.
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Affiliation(s)
- Grayson Seidel
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA
| | - Halle Kotchman
- Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Erin Milner
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA.,Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Kevin J O'Donovan
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA
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McClung HL, Armstrong NJ, Hennigar SR, Staab JS, Montain SJ, Karl J. Randomized Trial Comparing Consumption of Military Rations to Usual Intake for 21 Consecutive Days: Nutrient Adequacy and Indicators of Health Status. J Acad Nutr Diet 2020; 120:1791-1804. [DOI: 10.1016/j.jand.2020.06.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 06/15/2020] [Accepted: 06/18/2020] [Indexed: 12/17/2022]
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12
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Sensitivity and reliability of zinc transporter and metallothionein gene expression in peripheral blood mononuclear cells as indicators of zinc status: responses to ex vivo zinc exposure and habitual zinc intake in humans. Br J Nutr 2020; 125:361-368. [PMID: 32698913 DOI: 10.1017/s0007114520002810] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Zn is an essential nutrient for humans; however, a sensitive biomarker to assess Zn status has not been identified. The objective of this study was to determine the reliability and sensitivity of Zn transporter and metallothionein (MT) genes in peripheral blood mononuclear cells (PBMCs) to Zn exposure ex vivo and to habitual Zn intake in human subjects. In study 1, human PBMCs were cultured for 24 h with 0-50 µm ZnSO4 with or without 5 µm N,N,N',N'-tetrakis(2-pyridylmethyl)ethylenediamine (TPEN), and mRNA expression of SLC30A1-10, SLC39A1-14, MT1 subtypes (A, B, E, F, G, H, L, M and X), MT2A, MT3 and MT4 mRNA was determined. In study 2, fifty-four healthy male and female volunteers (31·9 (sd 13·8) years, BMI 25·7 (sd 2·9) kg/m2) completed a FFQ, blood was collected, PBMCs were isolated and mRNA expression of selected Zn transporters and MT isoforms was determined. Study 1: MT1E, MT1F, MT1G, MT1H, MT1L, MT1M, MT1X, MT2A and SLC30A1 increased with increasing concentrations of Zn and declined with the addition of TPEN. Study 2: Average daily Zn intake was 16·0 (sd 5·3) mg/d (range: 9-31 mg/d), and plasma Zn concentrations were 15·5 (SD 2·8) μmol/l (range 11-23 μmol/l). PBMC MT2A was positively correlated with dietary Zn intake (r 0·306, P = 0·03) and total Zn intake (r 0·382, P < 0·01), whereas plasma Zn was not (P > 0·05 for both). Findings suggest that MT2A mRNA in PBMCs reflects dietary Zn intake in healthy adults and may be a component in determining Zn status.
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Karl JP, Barbato RA, Doherty LA, Gautam A, Glaven SM, Kokoska RJ, Leary D, Mickol RL, Perisin MA, Hoisington AJ, Van Opstal EJ, Varaljay V, Kelley-Loughnane N, Mauzy CA, Goodson MS, Soares JW. Meeting report of the third annual Tri-Service Microbiome Consortium symposium. ENVIRONMENTAL MICROBIOME 2020; 15:12. [PMID: 32835172 PMCID: PMC7356122 DOI: 10.1186/s40793-020-00359-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 06/30/2020] [Indexed: 05/05/2023]
Abstract
The Tri-Service Microbiome Consortium (TSMC) was founded to enhance collaboration, coordination, and communication of microbiome research among U.S. Department of Defense (DoD) organizations and to facilitate resource, material and information sharing among consortium members. The 2019 annual symposium was held 22-24 October 2019 at Wright-Patterson Air Force Base in Dayton, OH. Presentations and discussions centered on microbiome-related topics within five broad thematic areas: 1) human microbiomes; 2) transitioning products into Warfighter solutions; 3) environmental microbiomes; 4) engineering microbiomes; and 5) microbiome simulation and characterization. Collectively, the symposium provided an update on the scope of current DoD microbiome research efforts, highlighted innovative research being done in academia and industry that can be leveraged by the DoD, and fostered collaborative opportunities. This report summarizes the presentations and outcomes of the 3rd annual TSMC symposium.
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Affiliation(s)
- J. Philip Karl
- Military Nutrition Division, United States Army Research Institute of Environmental Medicine, Natick, MA USA
| | - Robyn A. Barbato
- United States Army Cold Regions Research and Engineering Laboratory, Hanover, NH USA
| | - Laurel A. Doherty
- Soldier Performance Optimization Directorate, United States Army Combat Capabilities Development Command Soldier Center, Natick, MA USA
| | - Aarti Gautam
- Medical Readiness Systems Biology, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD USA
| | - Sarah M. Glaven
- Center for Bio/Molecular Science and Engineering, Naval Research Laboratory, Washington, DC USA
| | - Robert J. Kokoska
- Physical Sciences Directorate, United States Army Research Laboratory – United States Army Research Office, Research Triangle Park, Durham, NC USA
| | - Dagmar Leary
- Center for Biomolecular Science & Engineering, United States Naval Research Laboratory, Washington, DC USA
| | | | - Matthew A. Perisin
- Biotechnology Branch, United States Army Combat Capabilities Development Command-Army Research Laboratory, Adelphi, MD USA
| | - Andrew J. Hoisington
- Department of Systems Engineering and Management, Air Force Institute of Technology, Wright-Patterson AFB, Dayton, OH USA
- Military and Veteran Microbiome: Consortium for Research and Education, Aurora, CO USA
- Veterans Health Administration, Rocky Mountain Mental Illness Research Education and Clinical Center, Rocky Mountain Regional Veterans Affairs Medical Center, Aurora, CO USA
- Department of Physical Medicine & Rehabilitation and Center for Neuroscience, University of Colorado Anschutz Medical Campus, Aurora, CO USA
| | - Edward J. Van Opstal
- Human Systems Directorate, Office of the Underscretary of Defense for Research & Engineering, Washington, DC USA
| | - Vanessa Varaljay
- Soft Matter Materials Branch, Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, Dayton, OH USA
| | - Nancy Kelley-Loughnane
- Soft Matter Materials Branch, Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, Dayton, OH USA
| | - Camilla A. Mauzy
- 711th Human Performance Wing, Air Force Research Laboratory, Wright-Patterson AFB, Dayton, OH USA
| | - Michael S. Goodson
- 711th Human Performance Wing, Air Force Research Laboratory, Wright-Patterson AFB, Dayton, OH USA
| | - Jason W. Soares
- Soldier Performance Optimization Directorate, United States Army Combat Capabilities Development Command Soldier Center, Natick, MA USA
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