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Díez-Sainz E, Milagro FI, Riezu-Boj JI, Lorente-Cebrián S. Effects of gut microbiota-derived extracellular vesicles on obesity and diabetes and their potential modulation through diet. J Physiol Biochem 2022; 78:485-499. [PMID: 34472032 PMCID: PMC8410452 DOI: 10.1007/s13105-021-00837-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 08/18/2021] [Indexed: 12/13/2022]
Abstract
Obesity and diabetes incidence rates are increasing dramatically, reaching pandemic proportions. Therefore, there is an urgent need to unravel the mechanisms underlying their pathophysiology. Of particular interest is the close interconnection between gut microbiota dysbiosis and obesity and diabetes progression. Hence, microbiota manipulation through diet has been postulated as a promising therapeutic target. In this regard, secretion of gut microbiota-derived extracellular vesicles is gaining special attention, standing out as key factors that could mediate gut microbiota-host communication. Extracellular vesicles (EVs) derived from gut microbiota and probiotic bacteria allow to encapsulate a wide range of bioactive molecules (such as/or including proteins and nucleic acids) that could travel short and long distances to modulate important biological functions with the overall impact on the host health. EV-derived from specific bacteria induce differential physiological responses. For example, a high-fat diet-induced increase of the proteobacterium Pseudomonas panacis-derived EV is closely associated with the progression of metabolic dysfunction in mice. In contrast, Akkermansia muciniphila EV are linked with the alleviation of high-fat diet-induced obesity and diabetes in mice. Here, we review the newest pieces of evidence concerning the potential role of gut microbiota and probiotic-derived EV on obesity and diabetes onset, progression, and management, through the modulation of inflammation, metabolism, and gut permeability. In addition, we discuss the role of certain dietary patterns on gut microbiota-derived EV profile and the clinical implication that dietary habits could have on metabolic diseases progression through the shaping of gut microbiota-derived EV.
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Affiliation(s)
- Ester Díez-Sainz
- Department of Nutrition, Food Science and Physiology/Center for Nutrition Research, Faculty of Pharmacy and Nutrition, University of Navarra, Pamplona, Spain
| | - Fermín I Milagro
- Department of Nutrition, Food Science and Physiology/Center for Nutrition Research, Faculty of Pharmacy and Nutrition, University of Navarra, Pamplona, Spain.
- Navarra Institute for Health Research (IdiSNA), Pamplona, Spain.
- Centro de Investigación Biomédica en Red Fisiopatología de La Obesidad Y Nutrición (CIBERobn), Instituto de Salud Carlos III, Madrid, Spain.
| | - José I Riezu-Boj
- Department of Nutrition, Food Science and Physiology/Center for Nutrition Research, Faculty of Pharmacy and Nutrition, University of Navarra, Pamplona, Spain
- Navarra Institute for Health Research (IdiSNA), Pamplona, Spain
| | - Silvia Lorente-Cebrián
- Department of Pharmacology, Physiology and Legal and Forensic Medicine, Faculty of Health and Sport Science, University of Zaragoza, Zaragoza, Spain
- Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), Zaragoza, Spain
- Aragón Health Research Institute (IIS-Aragon), Zaragoza, Spain
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152
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Nilholm C, Manoharan L, Roth B, D'Amato M, Ohlsson B. A starch- and sucrose-reduced dietary intervention in irritable bowel syndrome patients produced a shift in gut microbiota composition along with changes in phylum, genus, and amplicon sequence variant abundances, without affecting the micro-RNA levels. United European Gastroenterol J 2022; 10:363-375. [PMID: 35484927 PMCID: PMC9103372 DOI: 10.1002/ueg2.12227] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 03/07/2022] [Indexed: 12/12/2022] Open
Abstract
Background/Aim A randomized clinical trial with a starch‐ and sucrose‐reduced diet (SSRD) in irritable bowel syndrome (IBS) patients has shown clear improvement of participants' symptoms. The present study aimed to explore the effects of the SSRD on the gut microbiota and circulating micro‐RNA in relation to nutrient intake and gastrointestinal symptoms. Methods IBS patients were randomized to a 4‐week SSRD intervention (n = 80) or control group (n = 25); habitual diet). At baseline and 4 weeks, blood and fecal samples, 4 day‐dietary records, and symptom questionnaires were collected, that is, Rome IV questionnaires, IBS‐symptom severity score (IBS‐SSS) and visual analog scale for IBS (VAS‐IBS). Micro‐RNA was analyzed in blood and microbiota in faeces by 16S rRNA from regions V1–V2. Results The alpha diversity was unaffected, whereas beta diversity was decreased (p < 0.001) along with increased abundance of Proteobacteria (p = 0.0036) and decreased abundance of Bacteroidetes phyla (p < 0.001) in the intervention group at 4 weeks. Few changes were noted in the controls. The shift in beta diversity and phyla abundance correlated with decreased intakes of carbohydrates, disaccharides, and starch and increased fat and protein intakes. Proteobacteria abundance also correlated positively (R2 = 0.07, p = 0.0016), and Bacteroidetes negatively (R2 = 0.07, p = 0.0017), with reduced total IBS‐SSS. Specific genera, for example, Eubacterium eligens, Lachnospiraceae UCG‐001, Victivallis, and Lachnospira increased significantly in the intervention group (p < 0.001 for all), whereas Marvinbryantia, DTU089 (Ruminoccocaceae family), Enterorhabdus, and Olsenella decreased, together with changes in amplicon sequence variant (ASV) levels. Modest changes of genus and ASV abundance were observed in the control group. No changes were observed in micro‐RNA expression in either group. Conclusion The SSRD induced a shift in beta diversity along with several bacteria at different levels, associated with changes in nutrient intakes and reduced gastrointestinal symptoms. No corresponding changes were observed in the control group. Neither the nutrient intake nor the microbiota changes affected micro‐RNA expression. The study was registered at ClinicalTrials.gov data base (NCT03306381).
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Affiliation(s)
- Clara Nilholm
- Department of Internal Medicine, Skåne University Hospital, Lund, Sweden.,Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Lokeshwaran Manoharan
- Department of Laboratory Medicine, National Bioinformatics Infrastructure Sweden (NBIS), SciLifeLab, Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden
| | - Bodil Roth
- Department of Internal Medicine, Skåne University Hospital, Lund, Sweden.,Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Mauro D'Amato
- Gastrointestinal Genetics Lab, CIC bioGUNE - BRTA, Derio, Spain.,Ikerbasque, Basque Foundation for Science, Bilboa, Spain.,Department of Medicine and Surgery, LUM University, Casamissama, Italy
| | - Bodil Ohlsson
- Department of Internal Medicine, Skåne University Hospital, Lund, Sweden.,Department of Clinical Sciences, Lund University, Lund, Sweden
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153
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Wiatrak B, Balon K, Jawień P, Bednarz D, Jęśkowiak I, Szeląg A. The Role of the Microbiota-Gut-Brain Axis in the Development of Alzheimer's Disease. Int J Mol Sci 2022; 23:ijms23094862. [PMID: 35563253 PMCID: PMC9104401 DOI: 10.3390/ijms23094862] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/16/2022] [Accepted: 04/21/2022] [Indexed: 02/06/2023] Open
Abstract
Along with the increase in life expectancy in the populations of developed and developing countries resulting from better access and improved health care, the number of patients with dementia, including Alzheimer’s disease (AD), is growing. The disease was first diagnosed and described at the beginning of the 20th century. However, to this day, there is no effective causal therapy, and symptomatic treatment often improves patients’ quality of life only for a short time. The current pharmacological therapies are based mainly on the oldest hypotheses of the disease—cholinergic (drugs affecting the cholinergic system are available), the hypothesis of amyloid-β aggregation (an anti-amyloid drug was conditionally approved by the FDA in 2020), and one drug is an N-methyl-D-aspartate receptor (NMDAR) antagonist (memantine). Hypotheses about AD pathogenesis focus on the nervous system and the brain. As research progresses, it has become known that AD can be caused by diseases that have been experienced over the course of a lifetime, which could also affect other organs. In this review, we focus on the potential association of AD with the digestive system, primarily the gut microbiota. The role of diet quality in preventing and alleviating Alzheimer’s disease is also discussed. The problem of neuroinflammation, which may be the result of microbiota disorders, is also described. An important aspect of the work is the chapter on the treatment strategies for changing the microbiota, potentially protecting against the disease and alleviating its course in the initial stages.
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Affiliation(s)
- Benita Wiatrak
- Department of Pharmacology, Wroclaw Medical University, Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland; (D.B.); (I.J.); (A.S.)
- Correspondence: (B.W.); (P.J.)
| | - Katarzyna Balon
- Laboratory of Genomics & Bioinformatics, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wroclaw, Poland;
| | - Paulina Jawień
- Department of Biostructure and Animal Physiology, Wroclaw University of Environmental and Life Sciences, Norwida 25/27, 50-375 Wroclaw, Poland
- Correspondence: (B.W.); (P.J.)
| | - Dominika Bednarz
- Department of Pharmacology, Wroclaw Medical University, Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland; (D.B.); (I.J.); (A.S.)
| | - Izabela Jęśkowiak
- Department of Pharmacology, Wroclaw Medical University, Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland; (D.B.); (I.J.); (A.S.)
| | - Adam Szeląg
- Department of Pharmacology, Wroclaw Medical University, Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland; (D.B.); (I.J.); (A.S.)
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154
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Papadopoulos PD, Tsigalou C, Valsamaki PN, Konstantinidis TG, Voidarou C, Bezirtzoglou E. The Emerging Role of the Gut Microbiome in Cardiovascular Disease: Current Knowledge and Perspectives. Biomedicines 2022; 10:biomedicines10050948. [PMID: 35625685 PMCID: PMC9139035 DOI: 10.3390/biomedicines10050948] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 03/27/2022] [Accepted: 03/28/2022] [Indexed: 01/27/2023] Open
Abstract
The collection of normally non-pathogenic microorganisms that mainly inhabit our gut lumen shapes our health in many ways. Structural and functional perturbations in the gut microbial pool, known as “dysbiosis”, have been proven to play a vital role in the pathophysiology of several diseases, including cardiovascular disease (CVD). Although therapeutic regimes are available to treat this group of diseases, they have long been the main cause of mortality and morbidity worldwide. While age, sex, genetics, diet, tobacco use, and alcohol consumption are major contributors (World Health Organization, 2018), they cannot explain all of the consequences of CVD. In addition to the abovementioned traditional risk factors, the constant search for novel preventative and curative tools has shed light on the involvement of gut bacteria and their metabolites in the pathogenesis of CVD. In this narrative review, we will discuss the established interconnections between the gut microbiota and CVD, as well as the plausible therapeutic perspectives.
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Affiliation(s)
- Panagiotis D. Papadopoulos
- Master Programme Food, Nutrition and Microbiome, Department of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece; (P.D.P.); (E.B.)
| | - Christina Tsigalou
- Master Programme Food, Nutrition and Microbiome, Department of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece; (P.D.P.); (E.B.)
- Laboratory of Microbiology, Department of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece
- Correspondence:
| | - Pipitsa N. Valsamaki
- Nuclear Medicine Department, Medical School, Democritus University of Thrace, 68100 Alexandroupolis, Greece;
| | | | | | - Eugenia Bezirtzoglou
- Master Programme Food, Nutrition and Microbiome, Department of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece; (P.D.P.); (E.B.)
- Laboratory of Hygiene and Environmental Protection, Department of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece
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155
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Intake of Natural, Unprocessed Tiger Nuts ( Cyperus esculentus L.) Drink Significantly Favors Intestinal Beneficial Bacteria in a Short Period of Time. Nutrients 2022; 14:nu14091709. [PMID: 35565679 PMCID: PMC9104503 DOI: 10.3390/nu14091709] [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: 03/24/2022] [Revised: 04/12/2022] [Accepted: 04/14/2022] [Indexed: 01/14/2023] Open
Abstract
Horchata is a natural drink obtained from tiger nut tubers (Cyperus esculentus L.). It has a pleasant milky aspect and nutty flavor; some health benefits have been traditionally attributed to it. This study evaluated the effects of an unprocessed horchata drink on the gut microbiota of healthy adult volunteers (n = 31) who consumed 300 mL of natural, unprocessed horchata with no added sugar daily for 3 days. Although there were no apparent microbial profile changes induced by horchata consumption in the studied population, differences could be determined when volunteers were segmented by microbial clusters. Three distinctive enterogroups were identified previous to consuming horchata, respectively characterized by the relative abundances of Blautia and Lachnospira (B1), Bacteroides (B2) and Ruminococcus and Bifidobacterium (B3). After consuming horchata, samples of all volunteers were grouped into two clusters, one enriched in Akkermansia, Christenellaceae and Clostridiales (A1) and the other with a remarkable presence of Faecalibacterium, Bifidobacterium and Lachnospira (A2). Interestingly, the impact of horchata was dependent on the previous microbiome of each individual, and its effect yielded microbial profiles associated with butyrate production, which are typical of a Mediterranean or vegetable/fiber-rich diet and could be related to the presence of high amylose starch and polyphenols.
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156
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Shi Y, Wang P, Zhou D, Huang L, Zhang L, Gao X, Maitiabula G, Wang S, Wang X. Multi-Omics Analyses Characterize the Gut Microbiome and Metabolome Signatures of Soldiers Under Sustained Military Training. Front Microbiol 2022; 13:827071. [PMID: 35401452 PMCID: PMC8990768 DOI: 10.3389/fmicb.2022.827071] [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: 12/01/2021] [Accepted: 02/22/2022] [Indexed: 11/15/2022] Open
Abstract
Exercise can directly alter the gut microbiome at the compositional and functional metabolic levels, which in turn may beneficially influence physical performance. However, data how the gut microbiome and fecal metabolome change, and how they interact in soldiers who commonly undergo sustained military training are limited. To address this issue, we first performed 16S rRNA sequencing to assess the gut microbial community patterns in a cohort of 80 soldiers separated into elite soldiers (ES, n = 40) and non-elite soldiers (N-ES, n = 40). We observed that the α-diversities of the ES group were higher than those of the N-ES group. As for both taxonomical structure and phenotypic compositions, elite soldiers were mainly characterized by an increased abundance of bacteria producing short-chain fatty acids (SCFAs), including Ruminococcaceae_UCG-005, Prevotella_9, and Veillonella, as well as a higher proportion of oxidative stress tolerant microbiota. The taxonomical signatures of the gut microbiome were significantly correlated with soldier performance. To further investigate the metabolic activities of the gut microbiome, using an untargeted metabolomic method, we found that the ES and N-ES groups displayed significantly different metabolic profiles and differential metabolites were primarily involved in the metabolic network of carbohydrates, energy, and amino acids, which might contribute to an enhanced exercise phenotype. Furthermore, these differences in metabolites were strongly correlated with the altered abundance of specific microbes. Finally, by integrating multi-omics data, we identified a shortlist of bacteria-metabolites associated with physical performance, following which a random forest classifier was established based on the combinatorial biomarkers capable of distinguishing between elite and non-elite soldiers with high accuracy. Our findings suggest possible future modalities for improving physical performance through targeting specific bacteria associated with more energetically efficient metabolic patterns.
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Affiliation(s)
- Yifan Shi
- Department of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China.,Department of Gastrointestinal Surgery, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Peng Wang
- Department of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Da Zhou
- Department of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Longchang Huang
- Department of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Li Zhang
- Department of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Xuejin Gao
- Department of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Gulisudumu Maitiabula
- Department of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Siwen Wang
- Department of General Surgery, Jinling Hospital, The First School of Clinical Medicine, Southern Medical University, Nanjing, China
| | - Xinying Wang
- Department of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China
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157
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Kimble R, Gouinguenet P, Ashor A, Stewart C, Deighton K, Matu J, Griffiths A, Malcomson FC, Joel A, Houghton D, Stevenson E, Minihane AM, Siervo M, Shannon OM, Mathers JC. Effects of a mediterranean diet on the gut microbiota and microbial metabolites: A systematic review of randomized controlled trials and observational studies. Crit Rev Food Sci Nutr 2022; 63:8698-8719. [PMID: 35361035 DOI: 10.1080/10408398.2022.2057416] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Consumption of the Mediterranean dietary pattern (MedDiet) is associated with reduced risk of numerous non-communicable diseases. Modulation of the composition and metabolism of the gut microbiota represents a potential mechanism through which the MedDiet elicits these effects. We conducted a systematic literature search (Prospero registration: CRD42020168977) using PubMed, The Cochrane Library, MEDLINE, SPORTDiscuss, Scopus and CINAHL databases for randomized controlled trials (RCTs) and observational studies exploring the impact of a MedDiet on gut microbiota composition (i.e., relative abundance of bacteria or diversity metrics) and metabolites (e.g., short chain fatty acids). Seventeen RCTs and 17 observational studies were eligible for inclusion in this review. Risk of bias across the studies was mixed but mainly identified as low and unclear. Overall, RCTs and observational studies provided no clear evidence of a consistent effect of a MedDiet on composition or metabolism of the gut microbiota. These findings may be related to the diverse methods across studies (e.g., MedDiet classification and analytical techniques), cohort characteristics, and variable quality of studies. Further, well-designed studies are warranted to advance understanding of the potential effects of the MedDiet using more detailed examination of microbiota and microbial metabolites with reference to emerging characteristics of a healthy gut microbiome.
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Affiliation(s)
- Rachel Kimble
- Human Nutrition Research Centre, Centre for Healthier Lives, Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Phebee Gouinguenet
- Human Nutrition Research Centre, Centre for Healthier Lives, Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
- Nutrition & Food Sciences, University of Bordeaux, Bordeaux, France
| | - Ammar Ashor
- Department of Pharmacology, College of Medicine, Al-Mustansiriyah University, Baghdad, Iraq
| | - Christopher Stewart
- Clinical and Translational Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | | | - Jamie Matu
- School of Clinical Applied Sciences, Leeds Beckett University, Leeds, UK
| | - Alex Griffiths
- Institute for Sport, Physical Activity & Leisure, Leeds Beckett University, Leeds, UK
| | - Fiona C Malcomson
- Human Nutrition Research Centre, Centre for Healthier Lives, Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Abraham Joel
- Human Nutrition Research Centre, Centre for Healthier Lives, Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - David Houghton
- Wellcome Centre for Mitochondrial Research, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Emma Stevenson
- Human Nutrition Research Centre, Centre for Healthier Lives, Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Anne Marie Minihane
- Department of Nutrition and Preventive Medicine, Norwich Medical School, University of East Anglia (UEA), Norwich, UK
| | - Mario Siervo
- School of Life Sciences, The University of Nottingham Medical School, Queen's Medical Centre, Nottingham, UK
| | - Oliver M Shannon
- Human Nutrition Research Centre, Centre for Healthier Lives, Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - John C Mathers
- Human Nutrition Research Centre, Centre for Healthier Lives, Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
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158
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Pozzo L, Alcántara C, Selma-Royo M, Garcia-Mantrana I, Bramanti E, Longo V, Collado MC, Pucci L. The impact of sourdough fermentation of spelt (Triticum dicoccum) from Garfagnana on gut microbiota composition and in vitro activity. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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159
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Gut microbiome-modulating properties of a polyphenol-enriched dietary supplement comprised of hibiscus and lemon verbena extracts. Monitoring of phenolic metabolites. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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160
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He P, Yu L, Tian F, Zhang H, Chen W, Zhai Q. Dietary Patterns and Gut Microbiota: The Crucial Actors in Inflammatory Bowel Disease. Adv Nutr 2022; 13:1628-1651. [PMID: 35348593 PMCID: PMC9526834 DOI: 10.1093/advances/nmac029] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 02/25/2022] [Accepted: 03/22/2022] [Indexed: 02/06/2023] Open
Abstract
It is widely believed that diet and the gut microbiota are strongly related to the occurrence and progression of inflammatory bowel disease (IBD), but the effects of the interaction between dietary patterns and the gut microbiota on IBD have not been well elucidated. In this article, we aim to explore the complex relation between dietary patterns, gut microbiota, and IBD. We first comprehensively summarized the dietary patterns associated with IBD and found that dietary patterns can modulate the occurrence and progression of IBD through various signaling pathways, including mammalian target of rapamycin (mTOR), mitogen-activated protein kinases (MAPKs), signal transducer and activator of transcription 3 (STAT3), and NF-κB. Besides, the gut microbiota performs a vital role in the progression of IBD, which can affect the expression of IBD susceptibility genes, such as dual oxidase 2 (DUOX2) and APOA-1 , the intestinal barrier (in particular, the expression of tight junction proteins), immune function (especially the homeostasis between effector and regulatory T cells) and the physiological metabolism, in particular, SCFAs, bile acids (BAs), and tryptophan metabolism. Finally, we reviewed the current knowledge on the interaction between dietary patterns and the gut microbiota in IBD and found that dietary patterns modulate the onset and progression of IBD, which is partly attributed to the regulation of the gut microbiota (especially SCFAs-producing bacteria and Escherichia coli). Faecalibacteria as "microbiomarkers" of IBD could be used as a target for dietary interventions to alleviate IBD. A comprehensive understanding of the interplay between dietary intake, gut microbiota, and IBD will facilitate the development of personalized dietary strategies based on the regulation of the gut microbiota in IBD and expedite the era of precision nutritional interventions for IBD.
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Affiliation(s)
- Pandi He
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Leilei Yu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Fengwei Tian
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Hao Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China,National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu, China,Wuxi Translational Medicine Research Center, Jiangsu Translational Medicine Research Institute Wuxi Branch, Wuxi, Jiangsu, China
| | - Wei Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China,National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu, China
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161
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Shi H, Ter Horst R, Nielen S, Bloemendaal M, Jaeger M, Joosten I, Koenen H, Joosten LAB, Schweren LJS, Vasquez AA, Netea MG, Buitelaar J. The gut microbiome as mediator between diet and its impact on immune function. Sci Rep 2022; 12:5149. [PMID: 35338162 PMCID: PMC8956630 DOI: 10.1038/s41598-022-08544-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 02/18/2022] [Indexed: 12/22/2022] Open
Abstract
Dietary habits may affect inflammatory status in humans. Here we explore this interaction as well as the potential mediating role of the gut microbiome (GM), given that the GM is both involved in processing of dietary components and influences the immune system. A cross-sectional analysis of a sample of 482 healthy participants (207 males and 275 females) was performed. Dietary intake was assessed by a semiquantitative food questionnaire. Adipokines and soluble inflammatory mediators were assayed with multiple immunoassays and ELISA. Microbial DNA was extracted from frozen stool samples of 471 participants. Polychoric correlation analysis was used to establish dietary patterns, and joint multivariate associations between these dietary patterns and immune biomarkers were studied using regression analyses with adjustment for sex, age, BMI, smoking, education levels and physical exercise and other dietary patterns. Non-parametric entropy mediation was applied to investigate whether diet-immune relationships are mediated by abundance of microbial species. In this cohort, we identified three dietary patterns, characterized as “high-meat” (meat and sweetened drink), “prudent diet” (fish, fruit, legumes and vegetables) and “high alcohol” (higher alcohol consumption). Higher adherence to prudent diet was associated with a higher adiponectin level. The high alcohol pattern was associated with high concentrations of circulating concentrations of pro-inflammatory markers (CRP, IL-6, VEGF). Dialister invisus was found to mediate the relationship between a prudent dietary pattern and adiponectin, AAT, CRP, IL-6, and VEGF. In conclusion, a meat-based diet and a diet with high alcohol consumption were associated with high concentrations of biomarkers of chronic low-grade inflammation, and conversely, a prudent diet was associated with anti-inflammatory biomarkers. Diet-inflammation regulation may differ between sexes. Mediation analyses revealed that the association between prudent diet and immune function was partially mediated by the GM. The study adds to our understanding of the associations between diet, the immune system and the GM in a healthy population.
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Affiliation(s)
- Huiqing Shi
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen Medical Centre, Radboudumc, Kapittelweg 29, 6525 EN, Nijmegen, Gelderland, The Netherlands.
| | - Rob Ter Horst
- Department of Internal Medicine, Radboudumc Center for Infectious Diseases, Radboudumc, 6500 HB, Nijmegen, Gelderland, The Netherlands
| | - Suzanne Nielen
- Department of Psychiatry, and Department of Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboudumc, 6525 EN, Nijmegen, Gelderland, The Netherlands
| | - Mirjam Bloemendaal
- Department of Psychiatry, and Department of Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboudumc, 6525 EN, Nijmegen, Gelderland, The Netherlands
| | - Martin Jaeger
- Department of Internal Medicine, Radboudumc Center for Infectious Diseases, Radboudumc, 6500 HB, Nijmegen, Gelderland, The Netherlands
| | - Irma Joosten
- Department of Laboratory Medicine, Radboudumc, 6500 HB, Nijmegen, Gelderland, The Netherlands
| | - Hans Koenen
- Department of Laboratory Medicine, Radboudumc, 6500 HB, Nijmegen, Gelderland, The Netherlands
| | - Leo A B Joosten
- Department of Internal Medicine, Radboudumc Center for Infectious Diseases, Radboudumc, 6500 HB, Nijmegen, Gelderland, The Netherlands
| | - Lizanne J S Schweren
- Interdisciplinary Center Psychopathology and Emotion Regulation, University Medical Center Groningen, University of Groningen, 9700 RB, Hanzeplein 1, Groningen, The Netherlands
| | - Alejandro Arias Vasquez
- Department of Psychiatry, and Department of Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboudumc, 6525 EN, Nijmegen, Gelderland, The Netherlands
| | - Mihai G Netea
- Department of Internal Medicine, Radboudumc Center for Infectious Diseases, Radboudumc, 6500 HB, Nijmegen, Gelderland, The Netherlands.,Department of Immunology and Metabolism, Life and Medical Sciences Institute (LIMES), University of Bonn, Bonn, Germany
| | - Jan Buitelaar
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen Medical Centre, Radboudumc, Kapittelweg 29, 6525 EN, Nijmegen, Gelderland, The Netherlands.,Karakter Child and Adolescent Psychiatry University Centre, 6525 GC, Nijmegen, Gelderland, The Netherlands
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162
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Panthee B, Gyawali S, Panthee P, Techato K. Environmental and Human Microbiome for Health. Life (Basel) 2022; 12:life12030456. [PMID: 35330207 PMCID: PMC8949289 DOI: 10.3390/life12030456] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/14/2022] [Accepted: 03/16/2022] [Indexed: 12/13/2022] Open
Abstract
Microorganisms are an essential part of life on the earth and can exist in association with virtually any living thing. The environmental microbiome is much more diverse than the human microbiome. It is reported that most microbes existing in the environment are difficult to culture in the laboratory. Whereas both pathogenic and beneficial microbes may be prevailing in the environment, the human body can have three categories of microbes- beneficial, pathogenic, and opportunistic pathogenic. With at least 10-fold more cells than human cells, microbes as normal flora are critical for human survival. The microbes present in the human body play a crucial role in maintaining human health, and the environmental microbiome influences the human microbiome makeup. The interaction between the environmental and human microbiome highly influences human health, however it is poorly understood. In addition, as an established infection is associated with health-seeking behavior, a large number of studies have focused on the transmission and dynamics of infectious microorganisms than the noninfectious or beneficial ones. This review will summarize how the interaction between the environmental and human microbiome affects human health and identify approaches that might be beneficial for humans to improve health by being exposed to the natural environment.
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Affiliation(s)
- Bimala Panthee
- Faculty of Environmental Management, Prince of Songkla University, Songkhla 90112, Thailand;
- Sustainable Study and Research Institute, Kathmandu 44600, Nepal;
- Correspondence: (B.P.); (K.T.)
| | - Saroj Gyawali
- Faculty of Environmental Management, Prince of Songkla University, Songkhla 90112, Thailand;
- Sustainable Study and Research Institute, Kathmandu 44600, Nepal;
| | | | - Kuaanan Techato
- Faculty of Environmental Management, Prince of Songkla University, Songkhla 90112, Thailand;
- Correspondence: (B.P.); (K.T.)
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163
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Preventing Bacterial Translocation in Patients with Leaky Gut Syndrome: Nutrition and Pharmacological Treatment Options. Int J Mol Sci 2022; 23:ijms23063204. [PMID: 35328624 PMCID: PMC8949204 DOI: 10.3390/ijms23063204] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/14/2022] [Accepted: 03/14/2022] [Indexed: 12/11/2022] Open
Abstract
Leaky gut syndrome is a medical condition characterized by intestinal hyperpermeability. Since the intestinal barrier is one of the essential components maintaining homeostasis along the gastrointestinal tract, loss of its integrity due to changes in bacterial composition, decreased expression levels of tight junction proteins, and increased concentration of pro-inflammatory cytokines may lead to intestinal hyperpermeability followed by the development of gastrointestinal and non-gastrointestinal diseases. Translocation of microorganisms and their toxic metabolites beyond the gastrointestinal tract is one of the fallouts of the leaky gut syndrome. The presence of intestinal bacteria in sterile tissues and distant organs may cause damage due to chronic inflammation and progression of disorders, including inflammatory bowel diseases, liver cirrhosis, and acute pancreatitis. Currently, there are no medical guidelines for the treatment or prevention of bacterial translocation in patients with the leaky gut syndrome; however, several studies suggest that dietary intervention can improve barrier function and restrict bacteria invasion. This review contains current literature data concerning the influence of diet, dietary supplements, probiotics, and drugs on intestinal permeability and bacterial translocation.
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164
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Miko E, Csaszar A, Bodis J, Kovacs K. The Maternal-Fetal Gut Microbiota Axis: Physiological Changes, Dietary Influence, and Modulation Possibilities. Life (Basel) 2022; 12:424. [PMID: 35330175 PMCID: PMC8955030 DOI: 10.3390/life12030424] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/08/2022] [Accepted: 03/09/2022] [Indexed: 02/07/2023] Open
Abstract
The prenatal period and the first years of life have a significant impact on the health issues and life quality of an individual. The appropriate development of the immune system and the central nervous system are thought to be major critical determining events. In parallel to these, establishing an early intestinal microbiota community is another important factor for future well-being interfering with prenatal and postnatal developmental processes. This review aims at summarizing the main characteristics of maternal gut microbiota and its possible transmission to the offspring, thereby affecting fetal and/or neonatal development and health. Since maternal dietary factors are potential modulators of the maternal-fetal microbiota axis, we will outline current knowledge on the impact of certain diets, nutritional factors, and nutritional modulators during pregnancy on offspring's microbiota and health.
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Affiliation(s)
- Eva Miko
- Department of Medical Microbiology and Immunology, Medical School, University of Pécs, 12 Szigeti Street, 7624 Pécs, Hungary
- National Laboratory for Human Reproduction, University of Pécs, 7624 Pécs, Hungary; (A.C.); (J.B.); (K.K.)
- Janos Szentagothai Research Centre, 20 Ifjusag Street, 7624 Pécs, Hungary
| | - Andras Csaszar
- National Laboratory for Human Reproduction, University of Pécs, 7624 Pécs, Hungary; (A.C.); (J.B.); (K.K.)
- Department of Obstetrics and Gynaecology, Medical School, University of Pécs, 17 Edesanyak Street, 7624 Pécs, Hungary
| | - Jozsef Bodis
- National Laboratory for Human Reproduction, University of Pécs, 7624 Pécs, Hungary; (A.C.); (J.B.); (K.K.)
- Department of Obstetrics and Gynaecology, Medical School, University of Pécs, 17 Edesanyak Street, 7624 Pécs, Hungary
| | - Kalman Kovacs
- National Laboratory for Human Reproduction, University of Pécs, 7624 Pécs, Hungary; (A.C.); (J.B.); (K.K.)
- Department of Obstetrics and Gynaecology, Medical School, University of Pécs, 17 Edesanyak Street, 7624 Pécs, Hungary
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165
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Evenepoel P, Meijers B, Masereeuw R, Lowenstein J. Effects of an SGLT Inhibitor on the Production, Toxicity, and Elimination of Gut-Derived Uremic Toxins: A Call for Additional Evidence. Toxins (Basel) 2022; 14:toxins14030210. [PMID: 35324707 PMCID: PMC8954461 DOI: 10.3390/toxins14030210] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 03/01/2022] [Accepted: 03/08/2022] [Indexed: 01/10/2023] Open
Abstract
Sodium–glucose cotransporter (SGLT) inhibitors are a class of oral hypoglycemic agents, which, in recent years, have been shown to improve renal and cardiovascular outcomes in patients with diabetic and non-diabetic chronic kidney disease. There remains considerable debate regarding the potential glucose-independent mechanisms by which these benefits are conferred. SGLT inhibitors, to a variable extent, impair small intestinal glucose absorption, facilitating the delivery of glucose into the colon. This suppresses protein fermentation, and thus the generation of uremic toxins such as phenols and indoles. It is acknowledged that such a shift in gut microbial metabolism yields health benefits for the host. SGLT inhibition, in addition, may be hypothesized to foster the renal clearance of protein-bound uremic toxins. Altered generation and elimination of uremic toxins may be in the causal pathway between SGLT inhibition and improved cardiometabolic health. Present review calls for additional research.
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Affiliation(s)
- Pieter Evenepoel
- Laboratory of Nephrology, KU Leuven Department of Microbiology and Immunology, University Hospitals Leuven, 3000 Leuven, Belgium;
- European Uremic Toxin Work Group-EUTox, Danube University Krems, 3500 Krems, Austria;
- Correspondence:
| | - Bjorn Meijers
- Laboratory of Nephrology, KU Leuven Department of Microbiology and Immunology, University Hospitals Leuven, 3000 Leuven, Belgium;
| | - Rosalinde Masereeuw
- European Uremic Toxin Work Group-EUTox, Danube University Krems, 3500 Krems, Austria;
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands
| | - Jerome Lowenstein
- Nephrology Division, NYU Langone Medical Center, New York, NY 10016, USA;
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166
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Jungbauer G, Stähli A, Zhu X, Auber Alberi L, Sculean A, Eick S. Periodontal microorganisms and Alzheimer disease - A causative relationship? Periodontol 2000 2022; 89:59-82. [PMID: 35244967 PMCID: PMC9314828 DOI: 10.1111/prd.12429] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/07/2021] [Accepted: 12/21/2021] [Indexed: 01/10/2023]
Abstract
In the initiation or exacerbation of Alzheimer disease, the dissemination of oral microorganisms into the brain tissue or the low‐level systemic inflammation have been speculated to play a role. However, the impact of oral microorganisms, such as Porphyromonas gingivalis, on the pathogenesis of Alzheimer disease and the potential causative relationship is still unclear. The present review has critically reviewed the literature by examining the following aspects: (a) the oral microbiome and the immune response in the elderly population, (b) human studies on the association between periodontal and gut microorganisms and Alzheimer disease, (c) animal and in vitro studies on microorganisms and Alzheimer disease, and (d) preventive and therapeutic approaches. Factors contributing to microbial dysbiosis seem to be aging, local inflammation, systemic diseases, wearing of dentures, living in nursing homes and no access to adequate oral hygiene measures. Porphyromonas gingivalis was detectable in post‐mortem brain samples. Microbiome analyses of saliva samples or oral biofilms showed a decreased microbial diversity and a different composition in Alzheimer disease compared to cognitively healthy subjects. Many in‐vitro and animal studies underline the potential of P gingivalis to induce Alzheimer disease‐related alterations. In animal models, recurring applications of P gingivalis or its components increased pro‐inflammatory mediators and β‐amyloid in the brain and deteriorated the animals' cognitive performance. Since periodontitis is the result of a disturbed microbial homoeostasis, an effect of periodontal therapy on the oral microbiome and host response related to cognitive parameters may be suggested and should be elucidated in further clinical trials.
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Affiliation(s)
- Gert Jungbauer
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland.,Private Dental Practice, Straubing, Germany
| | - Alexandra Stähli
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Xilei Zhu
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | | | - Anton Sculean
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Sigrun Eick
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
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167
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Varesi A, Pierella E, Romeo M, Piccini GB, Alfano C, Bjørklund G, Oppong A, Ricevuti G, Esposito C, Chirumbolo S, Pascale A. The Potential Role of Gut Microbiota in Alzheimer’s Disease: from Diagnosis to Treatment. Nutrients 2022; 14:nu14030668. [PMID: 35277027 PMCID: PMC8840394 DOI: 10.3390/nu14030668] [Citation(s) in RCA: 76] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/02/2022] [Accepted: 02/03/2022] [Indexed: 12/04/2022] Open
Abstract
Gut microbiota is emerging as a key regulator of many disease conditions and its dysregulation is implicated in the pathogenesis of several gastrointestinal and extraintestinal disorders. More recently, gut microbiome alterations have been linked to neurodegeneration through the increasingly defined gut microbiota brain axis, opening the possibility for new microbiota-based therapeutic options. Although several studies have been conducted to unravel the possible relationship between Alzheimer’s Disease (AD) pathogenesis and progression, the diagnostic and therapeutic potential of approaches aiming at restoring gut microbiota eubiosis remain to be fully addressed. In this narrative review, we briefly summarize the role of gut microbiota homeostasis in brain health and disease, and we present evidence for its dysregulation in AD patients. Based on these observations, we then discuss how dysbiosis might be exploited as a new diagnostic tool in early and advanced disease stages, and we examine the potential of prebiotics, probiotics, fecal microbiota transplantation, and diets as complementary therapeutic interventions on disease pathogenesis and progression, thus offering new insights into the diagnosis and treatment of this devastating and progressive disease.
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Affiliation(s)
- Angelica Varesi
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy;
- Almo Collegio Borromeo, 27100 Pavia, Italy
- Correspondence: (A.V.); (G.R.)
| | - Elisa Pierella
- School of Medicine, Faculty of Clinical and Biomedical Sciences, University of Central Lancashire, Preston PR1 2HE, UK; (E.P.); (A.O.)
| | - Marcello Romeo
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy;
| | | | - Claudia Alfano
- Department of Emergency Medicine and Surgery, IRCCS Fondazione Policlinico San Matteo, 27100 Pavia, Italy;
| | - Geir Bjørklund
- Council for Nutritional and Environmental Medicine (CONEM), 8610 Mo i Rana, Norway;
| | - Abigail Oppong
- School of Medicine, Faculty of Clinical and Biomedical Sciences, University of Central Lancashire, Preston PR1 2HE, UK; (E.P.); (A.O.)
| | - Giovanni Ricevuti
- Department of Drug Sciences, University of Pavia, 27100 Pavia, Italy
- Correspondence: (A.V.); (G.R.)
| | - Ciro Esposito
- Unit of Nephrology and Dialysis, ICS Maugeri, University of Pavia, 27100 Pavia, Italy;
| | - Salvatore Chirumbolo
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37121 Verona, Italy;
| | - Alessia Pascale
- Section of Pharmacology, Department of Drug Sciences, University of Pavia, 27100 Pavia, Italy;
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168
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Can dietary patterns prevent cognitive impairment and reduce Alzheimer's disease risk: exploring the underlying mechanisms of effects. Neurosci Biobehav Rev 2022; 135:104556. [PMID: 35122783 DOI: 10.1016/j.neubiorev.2022.104556] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 01/29/2022] [Accepted: 01/30/2022] [Indexed: 02/07/2023]
Abstract
Alzheimer's disease (AD) is one of the fastest growing cognitive decline-related neurological diseases. To date, effective curative strategies have remained elusive. A growing body of evidence indicates that dietary patterns have significant effects on cognitive function and the risk of developing AD. Previous studies on the association between diet and AD risk have mainly focused on individual food components and specific nutrients, and the mechanisms responsible for the beneficial effects of dietary patterns on AD are not well understood. This article provides a comprehensive overview of the effects of dietary patterns, including the Mediterranean diet (MedDiet), dietary approaches to stop hypertension (DASH) diet, Mediterranean-DASH diet intervention for neurological delay (MIND), ketogenic diet, caloric restriction, intermittent fasting, methionine restriction, and low-protein and high-carbohydrate diet, on cognitive impairment and summarizes the underlying mechanisms by which dietary patterns attenuate cognitive impairment, especially highlighting the modulation of dietary patterns on cognitive impairment through gut microbiota. Furthermore, considering the variability in individual metabolic responses to dietary intake, we put forward a framework to develop personalized dietary patterns for people with cognitive disorders or AD based on individual gut microbiome compositions.
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169
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Sanchez JMS, DePaula-Silva AB, Libbey JE, Fujinami RS. Role of diet in regulating the gut microbiota and multiple sclerosis. Clin Immunol 2022; 235:108379. [PMID: 32156562 PMCID: PMC7483914 DOI: 10.1016/j.clim.2020.108379] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 10/18/2019] [Accepted: 03/06/2020] [Indexed: 02/06/2023]
Affiliation(s)
| | | | | | - Robert S. Fujinami
- Corresponding author at: University of Utah School of Medicine, 15 North Medical Drive East, 2600 EEJMRB, Salt Lake City, UT 84112, USA. (R.S. Fujinami)
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170
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Rejeski JJ, Wilson FM, Nagpal R, Yadav H, Weinberg RB. The Impact of a Mediterranean Diet on the Gut Microbiome in Healthy Human Subjects: A Pilot Study. Digestion 2022; 103:133-140. [PMID: 34749376 PMCID: PMC8916822 DOI: 10.1159/000519445] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 09/05/2021] [Indexed: 02/04/2023]
Abstract
BACKGROUND AND AIMS Despite the reported salutary benefits of a Mediterranean diet (MD) on a wide variety of health conditions, the specific microbial changes associated with an MD within the gastrointestinal (GI) tract are not well studied. Specifically, although population and survey-based studies have shown microbial changes, there are no published data on how an MD alters the gut flora in a controlled setting. METHODS We recruited 10 healthy subjects, each of whom gave a stool sample at baseline and then was provided with prepared meals of a "typical" American diet; after 2 weeks, a second stool sample was collected. All subjects were then provided with prepared meals based on the MD for another 2 weeks, followed by a final stool sample collection. Stool samples were batch analyzed with DNA extraction, and sequencing libraries were generated. Measures of bacterial diversity, species richness, and enterotypes were performed. RESULTS All ten subjects tolerated the diets well. Bacterial diversity increased with an MD, as measured by alpha diversity via the Simpson index. Furthermore, there were significant differences in 5 bacterial genera between the 2 diets. CONCLUSION This small pilot study of controlled diets demonstrates that the MD can rapidly alter the gut microbiome in healthy subjects at the level of global microbial diversity and individual genera. These data confirm the findings of previous observational studies and establish the feasibility of conducting longer term studies on the impact of the MD on the flora of the GI tract and its relationship to digestive diseases.
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Affiliation(s)
- Jared J. Rejeski
- Department of Internal Medicine-Gastroenterology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA,*Jared J. Rejeski,
| | - Farra M. Wilson
- Department of Internal Medicine-Gastroenterology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Ravinder Nagpal
- Department of Nutrition and Integrative Physiology, Florida State University, Tallahassee, Florida, USA
| | - Hariom Yadav
- Department of Nutrition and Integrative Physiology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA,Department of Microbiology and Immunology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Richard B. Weinberg
- Department of Internal Medicine-Gastroenterology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA,Department of Physiology & Pharmacology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
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171
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Song X, Wang L, Liu Y, Zhang X, Weng P, Liu L, Zhang R, Wu Z. The gut microbiota–brain axis: Role of the gut microbial metabolites of dietary food in obesity. Food Res Int 2022; 153:110971. [DOI: 10.1016/j.foodres.2022.110971] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 01/27/2022] [Accepted: 01/30/2022] [Indexed: 12/13/2022]
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172
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Phoonlapdacha P, Tangshewinsirikul C, Phosuwattanakul J, Kittisakmontri K, Nitisinprasert S, Nakayama J, Prombutara P, Suthutvoravut U, Chongviriyaphan N. Gut microbiome profiles in Thai healthy pregnant women and its association with types of foods. BMC Pregnancy Childbirth 2022; 22:79. [PMID: 35093031 PMCID: PMC8801080 DOI: 10.1186/s12884-022-04397-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 01/10/2022] [Indexed: 12/12/2022] Open
Abstract
Abstract
Background
Gut microbiome colonization during early life is significant for immunological and physiological development. Maternal microbiome is associated with proper development of infants. The aim of this study was to determine the gut microbiome profiles among Thai healthy pregnant women and its associated factors.
Methods
A multicenter, open trial prospective study was performed at three hospitals in Northern, Central, and Northeastern regions of Thailand. Thai healthy pregnant women attending antenatal clinics were recruited. Fecal samples of subjects at the third trimester of pregnancy were collected with sterilized techniques. The gut microbiome profiles and bacterial diversity were assessed using 16Ss RNA gene sequencing. Demographic data, dietary intake, and anthropometric data were recorded and analyzed.
Results
There were 86 healthy pregnant women. The dominant of gut microbiome profiles were Bacteroidetes and Firmicutes. Pregnant women in the Central region had significantly higher of Ruminococcaceae and Lachnospiraceae than those in other regions (p < 0.001). Pregnant women in the Northern region significantly consumed more glutinous rice than those in other regions (p < 0.001). Glutinous rice intake was positively correlated with Bacteroidetes (rho = 0.405, p = 0.01) and negatively correlated with Firmicutes (rho = − 0.440, p = 0.001). Alpha diversity was not correlated with pre-pregnancy body mass index (BMI) or gestational weight gain.
Conclusions
The gut microbiome profiles mainly found in Thai healthy pregnant women were Bacteroidetes and Firmicutes. The gut microbiome profiles in pregnant women found in this study possibly depended on dietary patterns. Glutinous rice with high amylopectin is probably related to abundance of Bacteroidetes.
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173
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Kim M, Huda MN, Bennett BJ. Sequence meets function-microbiota and cardiovascular disease. Cardiovasc Res 2022; 118:399-412. [PMID: 33537709 PMCID: PMC8803075 DOI: 10.1093/cvr/cvab030] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 11/20/2020] [Accepted: 01/29/2021] [Indexed: 02/07/2023] Open
Abstract
The discovery that gut-microbiota plays a profound role in human health has opened a new avenue of basic and clinical research. Application of ecological approaches where the bacterial 16S rRNA gene is queried has provided a number of candidate bacteria associated with coronary artery disease and hypertension. We examine the associations between gut microbiota and a variety of cardiovascular disease (CVD) including atherosclerosis, coronary artery disease, and blood pressure. These approaches are associative in nature and there is now increasing interest in identifying the mechanisms underlying these associations. We discuss three potential mechanisms including: gut permeability and endotoxemia, increased immune system activation, and microbial derived metabolites. In addition to discussing these potential mechanisms we highlight current studies manipulating the gut microbiota or microbial metabolites to move beyond sequence-based association studies. The goal of these mechanistic studies is to determine the mode of action by which the gut microbiota may affect disease susceptibility and severity. Importantly, the gut microbiota appears to have a significant effect on host metabolism and CVD by producing metabolites entering the host circulatory system such as short-chain fatty acids and trimethylamine N-Oxide. Therefore, the intersection of metabolomics and microbiota research may yield novel targets to reduce disease susceptibility. Finally, we discuss approaches to demonstrate causality such as specific diet changes, inhibition of microbial pathways, and fecal microbiota transplant.
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Affiliation(s)
- Myungsuk Kim
- Obesity and Metabolism Research Unit, USDA, ARS, Western Human Nutrition Research Center, Davis, CA, USA
- Department of Nutrition, University of California Davis, Davis, CA, USA
| | - Md Nazmul Huda
- Obesity and Metabolism Research Unit, USDA, ARS, Western Human Nutrition Research Center, Davis, CA, USA
- Department of Nutrition, University of California Davis, Davis, CA, USA
| | - Brian J Bennett
- Obesity and Metabolism Research Unit, USDA, ARS, Western Human Nutrition Research Center, Davis, CA, USA
- Department of Nutrition, University of California Davis, Davis, CA, USA
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174
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Abstract
Oscillospira is a class of organism that often appears in high-throughput sequencing data but has not been purely cultured and is widely present in the animal and human intestines. There is a strong association between variation in Oscillospira abundance and obesity, leanness, and human health. In addition, a growing body of studies has shown that Oscillospira is also implicated in other diseases, such as gallstones and chronic constipation, and has shown some correlation with the positive or negative changes in its course. Sequencing data combined with metabolic profiling indicate that Oscillospira is likely to be a genus capable of producing short-chain fatty acids (SCFAs) such as butyrate, which is an important reference indicator for screening "next-generation probiotics ". Considering the positive effects of Oscillospira in some specific diseases, such as obesity-related metabolic diseases, it has already been characterized as one of the next-generation probiotic candidates and therefore has great potential for development and application in the future food, health care, and biopharmaceutical products.
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Affiliation(s)
- Jingpeng Yang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China,CONTACT Jingpeng Yang
| | - Yanan Li
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Zhiqiang Wen
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Wenzheng Liu
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Lingtong Meng
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - He Huang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China,He Huang School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, 2 Xuelin Road, Qixia District, Nanjing, China
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175
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Abstract
Identifying ways to deal with the challenges presented by aging is an urgent task, as we are facing an aging society. External factors such as diet, exercise and drug therapy have proven to be major elements in controlling healthy aging and prolonging life expectancy. More recently, the intestinal microbiota has also become a key factor in the anti-aging process. As the intestinal microbiota changes with aging, an imbalance in intestinal microorganisms can lead to many age-related degenerative diseases and unhealthy aging. This paper reviews recent research progress on the relationship between intestinal microorganisms and anti-aging effects, focusing on the changes and beneficial effects of intestinal microorganisms under dietary intervention, exercise and drug intervention. In addition, bacteriotherapy has been used to prevent frailty and unhealthy aging. Most of these anti-aging approaches improve the aging process and age-related diseases by regulating the homeostasis of intestinal flora and promoting a healthy intestinal environment. Intervention practices based on intestinal microorganisms show great potential in the field of anti-aging medicine.
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Affiliation(s)
- Yanjiao Du
- Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Yue Gao
- Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Bo Zeng
- Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Xiaolan Fan
- Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Deying Yang
- Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Mingyao Yang
- Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, China,CONTACT Mingyao Yang Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan611130, P. R. China
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Liu B, Huang L, Liu Z, Pan X, Cui Z, Pan J, Xie L. EasyMicroPlot: An Efficient and Convenient R Package in Microbiome Downstream Analysis and Visualization for Clinical Study. Front Genet 2022; 12:803627. [PMID: 35058973 PMCID: PMC8764268 DOI: 10.3389/fgene.2021.803627] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 12/02/2021] [Indexed: 01/03/2023] Open
Abstract
Advances in next-generation sequencing (NGS) have revolutionized microbial studies in many fields, especially in clinical investigation. As the second human genome, microbiota has been recognized as a new approach and perspective to understand the biological and pathologic basis of various diseases. However, massive amounts of sequencing data remain a huge challenge to researchers, especially those who are unfamiliar with microbial data analysis. The mathematic algorithm and approaches introduced from another scientific field will bring a bewildering array of computational tools and acquire higher quality of script experience. Moreover, a large cohort research together with extensive meta-data including age, body mass index (BMI), gender, medical results, and others related to subjects also aggravate this situation. Thus, it is necessary to develop an efficient and convenient software for clinical microbiome data analysis. EasyMicroPlot (EMP) package aims to provide an easy-to-use microbial analysis tool based on R platform that accomplishes the core tasks of metagenomic downstream analysis, specially designed by incorporation of popular microbial analysis and visualization used in clinical microbial studies. To illustrate how EMP works, 694 bio-samples from Guangdong Gut Microbiome Project (GGMP) were selected and analyzed with EMP package. Our analysis demonstrated the influence of dietary style on gut microbiota and proved EMP package's powerful ability and excellent convenience to address problems for this field.
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Affiliation(s)
- Bingdong Liu
- The First Affiliated Hospital of Jinan University, Guangzhou, China.,State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Liujing Huang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China.,Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Zhihong Liu
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Xiaohan Pan
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, China
| | - Zongbing Cui
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Jiyang Pan
- The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Liwei Xie
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China.,Zhujiang Hospital, Southern Medical University, Guangzhou, China.,School of Public Health, Xinxiang Medical University, Xinxiang, China
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177
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Portincasa P, Bonfrate L, Vacca M, De Angelis M, Farella I, Lanza E, Khalil M, Wang DQH, Sperandio M, Di Ciaula A. Gut Microbiota and Short Chain Fatty Acids: Implications in Glucose Homeostasis. Int J Mol Sci 2022; 23:ijms23031105. [PMID: 35163038 PMCID: PMC8835596 DOI: 10.3390/ijms23031105] [Citation(s) in RCA: 253] [Impact Index Per Article: 126.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 01/17/2022] [Accepted: 01/19/2022] [Indexed: 02/07/2023] Open
Abstract
Gut microbiota encompasses a wide variety of commensal microorganisms consisting of trillions of bacteria, fungi, and viruses. This microbial population coexists in symbiosis with the host, and related metabolites have profound effects on human health. In this respect, gut microbiota plays a pivotal role in the regulation of metabolic, endocrine, and immune functions. Bacterial metabolites include the short chain fatty acids (SCFAs) acetate (C2), propionate (C3), and butyrate (C4), which are the most abundant SCFAs in the human body and the most abundant anions in the colon. SCFAs are made from fermentation of dietary fiber and resistant starch in the gut. They modulate several metabolic pathways and are involved in obesity, insulin resistance, and type 2 diabetes. Thus, diet might influence gut microbiota composition and activity, SCFAs production, and metabolic effects. In this narrative review, we discuss the relevant research focusing on the relationship between gut microbiota, SCFAs, and glucose metabolism.
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Affiliation(s)
- Piero Portincasa
- Clinica Medica “A. Murri”, Department of Biomedical Sciences & Human Oncology, University of Bari “Aldo Moro”, 70124 Bari, Italy; (I.F.); (E.L.); (M.K.); (A.D.C.)
- Correspondence: (P.P.); (L.B.)
| | - Leonilde Bonfrate
- Clinica Medica “A. Murri”, Department of Biomedical Sciences & Human Oncology, University of Bari “Aldo Moro”, 70124 Bari, Italy; (I.F.); (E.L.); (M.K.); (A.D.C.)
- Correspondence: (P.P.); (L.B.)
| | - Mirco Vacca
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, Via Amendola 165/a, 70126 Bari, Italy; (M.V.); (M.D.A.)
| | - Maria De Angelis
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, Via Amendola 165/a, 70126 Bari, Italy; (M.V.); (M.D.A.)
| | - Ilaria Farella
- Clinica Medica “A. Murri”, Department of Biomedical Sciences & Human Oncology, University of Bari “Aldo Moro”, 70124 Bari, Italy; (I.F.); (E.L.); (M.K.); (A.D.C.)
| | - Elisa Lanza
- Clinica Medica “A. Murri”, Department of Biomedical Sciences & Human Oncology, University of Bari “Aldo Moro”, 70124 Bari, Italy; (I.F.); (E.L.); (M.K.); (A.D.C.)
| | - Mohamad Khalil
- Clinica Medica “A. Murri”, Department of Biomedical Sciences & Human Oncology, University of Bari “Aldo Moro”, 70124 Bari, Italy; (I.F.); (E.L.); (M.K.); (A.D.C.)
| | - David Q.-H. Wang
- Department of Medicine and Genetics, Division of Gastroenterology and Liver Diseases, Marion Bessin Liver Research Center, Einstein-Mount Sinai Diabetes Research Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA;
| | - Markus Sperandio
- Biomedical Center (BMC), Institute for Cardiovascular Physiology and Pathophysiology, Walter Brendel Center for Experimental Medicine (WBex), Faculty of Medicine, Ludwig-Maximilians-Universität Munich, 82152 Planegg-Martinsried, Germany;
| | - Agostino Di Ciaula
- Clinica Medica “A. Murri”, Department of Biomedical Sciences & Human Oncology, University of Bari “Aldo Moro”, 70124 Bari, Italy; (I.F.); (E.L.); (M.K.); (A.D.C.)
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178
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Rusch C, Beke M, Tucciarone L, Nieves C, Ukhanova M, Tagliamonte MS, Mai V, Suh JH, Wang Y, Chiu S, Patel B, Ramirez-Zamora A, Langkamp-Henken B. Mediterranean Diet Adherence in People With Parkinson's Disease Reduces Constipation Symptoms and Changes Fecal Microbiota After a 5-Week Single-Arm Pilot Study. Front Neurol 2022; 12:794640. [PMID: 35002935 PMCID: PMC8733603 DOI: 10.3389/fneur.2021.794640] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 11/19/2021] [Indexed: 12/22/2022] Open
Abstract
Introduction: Non-motor symptoms of Parkinson's disease (PD) such as gastrointestinal (GI) dysfunction are common, yet little is known about how modifying dietary intake impacts PD symptoms. The aim of this study in individuals with PD was to determine whether a Mediterranean diet intervention is feasible and affects GI function, intestinal permeability and fecal microbial communities. Methods: A single-arm, 5-week Mediterranean diet intervention study was conducted in eight people with PD. Daily and weekly questionnaires were administered to determine changes in GI symptoms. Urine and stool samples were collected at baseline and after 5 weeks to assess intestinal permeability and fecal microbial communities. Additionally, live-in partners of the participants with PD were matched as controls (n = 8) for baseline urine and stool samples. Results: Participants with PD increased intake of Mediterranean diet based on adherence scores from baseline to week 5 (4.4 ± 0.6 vs. 11.9 ± 0.7; P < 0.01 with >10 representing good adherence), which was linked with weight loss (77.4 kg vs. 74.9 kg, P = 0.01). Constipation syndrome scores decreased after 5 weeks (2.3 ± 0.5 vs. 1.5 ± 0.3; P = 0.04). Bilophila, was higher at baseline in PD (0.6 ± 0.1% vs. 0.2 ± 0.1% P = 0.02) and slightly decreased after the diet intervention (0.5 ± 0.1%; P = 0.01). Interestingly, the proportion of Roseburia was significantly lower in PD compared to controls (0.6 ± 0.2% vs. 1.6 ± 0.3%; P = 0.02) and increased at week 5 (0.9 ± 0.2%; P < 0.01). No differences were observed for markers of intestinal permeability between the control and PD groups or post-intervention. Conclusions: Short-term Mediterranean diet adherence is feasible in participants with PD; correlated with weight loss, improved constipation, and modified gut microbiota. Clinical Trial Registration:ClinicalTrials.gov, identifier: NCT03851861.
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Affiliation(s)
- Carley Rusch
- Food Science and Human Nutrition Department, University of Florida, Gainesville, FL, United States.,Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, United States
| | - Matthew Beke
- Food Science and Human Nutrition Department, University of Florida, Gainesville, FL, United States.,Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, United States
| | - Lily Tucciarone
- Food Science and Human Nutrition Department, University of Florida, Gainesville, FL, United States
| | - Carmelo Nieves
- Food Science and Human Nutrition Department, University of Florida, Gainesville, FL, United States
| | - Maria Ukhanova
- Department of Epidemiology, Emerging Pathogens Institute, University of Florida, Gainesville, FL, United States
| | - Massimiliano S Tagliamonte
- Department of Pathology, Immunology and Laboratory Medicine, Emerging Pathogens Institute, University of Florida, Gainesville, FL, United States
| | - Volker Mai
- Department of Epidemiology, Emerging Pathogens Institute, University of Florida, Gainesville, FL, United States
| | - Joon Hyuk Suh
- Food Science and Human Nutrition Department, Citrus Research and Education Center, University of Florida, Lake Alfred, FL, United States
| | - Yu Wang
- Food Science and Human Nutrition Department, Citrus Research and Education Center, University of Florida, Lake Alfred, FL, United States
| | - Shannon Chiu
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, United States
| | - Bhavana Patel
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, United States
| | - Adolfo Ramirez-Zamora
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, United States
| | - Bobbi Langkamp-Henken
- Food Science and Human Nutrition Department, University of Florida, Gainesville, FL, United States
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179
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Wu Z, Cheng W, Wang Z, Feng S, Zou H, Tan X, Yang Y, Wang Y, Zhang H, Dong M, Xiao Y, Tao S, Wei H. Intestinal Microbiota and Serum Metabolic Profile Responded to Two Nutritional Different Diets in Mice. Front Nutr 2022; 8:813757. [PMID: 35071302 PMCID: PMC8766985 DOI: 10.3389/fnut.2021.813757] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 12/14/2021] [Indexed: 12/13/2022] Open
Abstract
There is an interaction and bidirectional selection between dietary intake and gut microbiota due to the different efficiency of nutrients in the gut. The nutritional composition of germ-free (GF) diets differs significantly from specific pathogen-free (SPF) diets. There is, however, no data revealing how SPF animals from the same microbial background respond to them and if they affect the host. We examined the growth of SPF mice on the GF diet and found that it reduced body weight, intestinal length and intestinal morphology. Interestingly, the GF diet increased the level of pro-inflammatory bacteria in the gut of SPF mice, including Proteobacteria, Burkholderiaceae, Alloprevotella and Parasutterella. Furthermore, GF diets caused significant increases in malondialdehyde (MDA), IL-1β, IL-6, and D-lactate levels in the serum of SPF mice and significantly altered their serum metabolic profile, especially amino acid metabolism. In conclusion, GF diets are not suitable for the growth and development of SPF mice. These findings, based on the role of gut microbiota in diet selection, provide new insights into the scientific and rational use of experimental animal diets.
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Affiliation(s)
- Zhifeng Wu
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, China
| | - Wei Cheng
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, China
| | - Zhenyu Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Shuaifei Feng
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, China
| | - Huicong Zou
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, China
| | - Xiang Tan
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, China
| | - Yapeng Yang
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, China
| | - Yuqing Wang
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, China
| | - Hang Zhang
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, China
| | - Miaomiao Dong
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, China
| | - Yingping Xiao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Shiyu Tao
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, China
| | - Hong Wei
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, China
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180
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Atzeni A, Bastiaanssen TFS, Cryan JF, Tinahones FJ, Vioque J, Corella D, Fitó M, Vidal J, Moreno-Indias I, Gómez-Pérez AM, Torres-Collado L, Coltell O, Castañer O, Bulló M, Salas-Salvadó J. Taxonomic and Functional Fecal Microbiota Signatures Associated With Insulin Resistance in Non-Diabetic Subjects With Overweight/Obesity Within the Frame of the PREDIMED-Plus Study. Front Endocrinol (Lausanne) 2022; 13:804455. [PMID: 35574036 PMCID: PMC9097279 DOI: 10.3389/fendo.2022.804455] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 03/21/2022] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVE An altered gut microbiota has been associated with insulin resistance, a metabolic dysfunction consisting of cellular insulin signaling impairment. The aim of the present study is to determine the taxonomic and functional fecal microbiota signatures associated with HOMA-IR index in a population with high cardiovascular risk. METHODS A total of 279 non-diabetic individuals (55-75 years aged) with overweight/obesity and metabolic syndrome were stratified according to tertiles of HOMA-IR index. Blood biochemical parameters, anthropometric measurements and fecal samples were collected at baseline. Fecal microbial DNA extraction, 16S amplicon sequencing and bioinformatics analysis were performed. RESULTS Desulfovibrio, Odoribacter and Oscillospiraceae UCG-002 were negatively associated with HOMA-IR index, whereas predicted total functional abundances revealed gut metabolic modules mainly linked to amino acid degradation. Butyricicoccus, Erysipelotrichaceae UCG-003, Faecalibacterium were positively associated with HOMA-IR index, whereas predicted total functional abundances revealed gut metabolic modules mainly linked to saccharide degradation. These bacteria contribute differentially to the gut metabolic modules, being the degree of contribution dependent on insulin resistance. Both taxa and gut metabolic modules negatively associated to HOMA-IR index were linked to mechanisms involving sulfate reducing bacteria, improvement of intestinal gluconeogenesis and production of acetate. Furthermore, both taxa and gut metabolic modules positively associated to HOMA-IR index were linked to production and mechanisms of action of butyrate. CONCLUSIONS Specific taxonomic and functional fecal microbiota signatures associated with insulin resistance were identified in a non-diabetic population with overweight/obesity at high cardiovascular risk. These findings suggest that tailoring therapies based on specific fecal microbiota profiles could be a potential strategy to improve insulin sensitivity.
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Affiliation(s)
- Alessandro Atzeni
- Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Reus, Spain
- Institut D’Investigació Sanitària Pere Virgili (IISPV), Hospital Universitari de Sant Joan de Reus, Reus, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Thomaz F. S. Bastiaanssen
- APC Microbiome Ireland, Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland
| | - John F. Cryan
- APC Microbiome Ireland, Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland
| | - Francisco J. Tinahones
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
- Unidad de Gestión Clínica de Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | - Jesús Vioque
- Instituto de Investigación Sanitaria y Biomédica de Alicante, ISABIAL-Universidad Miguel Hernández (UMH), Alicante, Spain
- Centro de Investigación Biomédica en Red Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Dolores Corella
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
- Department of Preventive Medicine, University of Valencia, Valencia, Spain
| | - Montserrat Fitó
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
- Cardiovascular Risk and Nutrition (Regicor Study Group), Hospital del Mar Research Institute (IMIM), Barcelona, Spain
| | - Josep Vidal
- Endocrinology and Nutrition Department, Institut d’Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Hospital Clinic Universitari, Barcelona, Spain
- Centro de Investigación Biomédica en Red Diabetes y Enfermedades Metabólicas (CIBERDEM), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Isabel Moreno-Indias
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
- Unidad de Gestión Clínica de Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | - Ana M. Gómez-Pérez
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
- Unidad de Gestión Clínica de Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | - Laura Torres-Collado
- Instituto de Investigación Sanitaria y Biomédica de Alicante, ISABIAL-Universidad Miguel Hernández (UMH), Alicante, Spain
- Centro de Investigación Biomédica en Red Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Oscar Coltell
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
- Department of Computer Languages and Systems, University Jaume I, Castelló de la Plana, Spain
| | - Olga Castañer
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
- Cardiovascular Risk and Nutrition (Regicor Study Group), Hospital del Mar Research Institute (IMIM), Barcelona, Spain
| | - Monica Bulló
- Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Reus, Spain
- Institut D’Investigació Sanitària Pere Virgili (IISPV), Hospital Universitari de Sant Joan de Reus, Reus, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
- *Correspondence: Monica Bulló, ; Jordi Salas-Salvadó,
| | - Jordi Salas-Salvadó
- Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Reus, Spain
- Institut D’Investigació Sanitària Pere Virgili (IISPV), Hospital Universitari de Sant Joan de Reus, Reus, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
- *Correspondence: Monica Bulló, ; Jordi Salas-Salvadó,
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181
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Fruit and Vegetable Supplemented Diet Modulates the Pig Transcriptome and Microbiome after a Two-Week Feeding Intervention. Nutrients 2021; 13:nu13124350. [PMID: 34959902 PMCID: PMC8703502 DOI: 10.3390/nu13124350] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 11/30/2021] [Accepted: 12/01/2021] [Indexed: 02/06/2023] Open
Abstract
A study was conducted to determine the effects of a diet supplemented with fruits and vegetables (FV) on the host whole blood cell (WBC) transcriptome and the composition and function of the intestinal microbiome. Nine six-week-old pigs were fed a pig grower diet alone or supplemented with lyophilized FV equivalent to half the daily recommended amount prescribed for humans by the Dietary Guideline for Americans (DGA) for two weeks. Host transcriptome changes in the WBC were evaluated by RNA sequencing. Isolated DNA from the fecal microbiome was used for 16S rDNA taxonomic analysis and prediction of metabolomic function. Feeding an FV-supplemented diet to pigs induced differential expression of several genes associated with an increase in B-cell development and differentiation and the regulation of cellular movement, inflammatory response, and cell-to-cell signaling. Linear discriminant analysis effect size (LEfSe) in fecal microbiome samples showed differential increases in genera from Lachnospiraceae and Ruminococcaceae families within the order Clostridiales and Erysipelotrichaceae family with a predicted reduction in rgpE-glucosyltransferase protein associated with lipopolysaccharide biosynthesis in pigs fed the FV-supplemented diet. These results suggest that feeding an FV-supplemented diet for two weeks modulated markers of cellular inflammatory and immune function in the WBC transcriptome and the composition of the intestinal microbiome by increasing the abundance of bacterial taxa that have been associated with improved intestinal health.
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182
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Al Bataineh MT, Henschel A, Mousa M, Daou M, Waasia F, Kannout H, Khalili M, Kayasseh MA, Alkhajeh A, Uddin M, Alkaabi N, Tay GK, Feng SF, Yousef AF, Alsafar HS. Gut Microbiota Interplay With COVID-19 Reveals Links to Host Lipid Metabolism Among Middle Eastern Populations. Front Microbiol 2021; 12:761067. [PMID: 34803986 PMCID: PMC8603808 DOI: 10.3389/fmicb.2021.761067] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 09/30/2021] [Indexed: 12/15/2022] Open
Abstract
The interplay between the compositional changes in the gastrointestinal microbiome, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) susceptibility and severity, and host functions is complex and yet to be fully understood. This study performed 16S rRNA gene-based microbial profiling of 143 subjects. We observed structural and compositional alterations in the gut microbiota of the SARS-CoV-2-infected group in comparison to non-infected controls. The gut microbiota composition of the SARS-CoV-2-infected individuals showed an increase in anti-inflammatory bacteria such as Faecalibacterium (p-value = 1.72 × 10-6) and Bacteroides (p-value = 5.67 × 10-8). We also revealed a higher relative abundance of the highly beneficial butyrate producers such as Anaerostipes (p-value = 1.75 × 10-230), Lachnospiraceae (p-value = 7.14 × 10-65), and Blautia (p-value = 9.22 × 10-18) in the SARS-CoV-2-infected group in comparison to the control group. Moreover, phylogenetic investigation of communities by reconstructing unobserved state (PICRUSt) functional prediction analysis of the 16S rRNA gene abundance data showed substantial differences in the enrichment of metabolic pathways such as lipid, amino acid, carbohydrate, and xenobiotic metabolism, in comparison between both groups. We discovered an enrichment of linoleic acid, ether lipid, glycerolipid, and glycerophospholipid metabolism in the SARS-CoV-2-infected group, suggesting a link to SARS-CoV-2 entry and replication in host cells. We estimate the major contributing genera to the four pathways to be Parabacteroides, Streptococcus, Dorea, and Blautia, respectively. The identified differences provide a new insight to enrich our understanding of SARS-CoV-2-related changes in gut microbiota, their metabolic capabilities, and potential screening biomarkers linked to COVID-19 disease severity.
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Affiliation(s)
- Mohammad Tahseen Al Bataineh
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates.,Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates.,Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates.,Department of Genetics and Molecular Biology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Andreas Henschel
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates.,Department of Electrical Engineering and Computer Science, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Mira Mousa
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates.,Nuffield Department of Women's and Reproduction Health, Oxford University, Oxford, United Kingdom
| | - Marianne Daou
- Department of Chemistry, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Fathimathuz Waasia
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Hussein Kannout
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Mariam Khalili
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Mohd Azzam Kayasseh
- Emirates Specialty Hospital, Dubai Healthcare City, Dubai, United Arab Emirates
| | - Abdulmajeed Alkhajeh
- Medical Education and Research Department, Dubai Health Authority, Dubai, United Arab Emirates
| | - Maimunah Uddin
- Department of Pediatric Infectious Disease, Sheikh Khalifa Medical City, Abu Dhabi, United Arab Emirates
| | - Nawal Alkaabi
- Department of Pediatric Infectious Disease, Sheikh Khalifa Medical City, Abu Dhabi, United Arab Emirates
| | - Guan K Tay
- Division of Psychiatry, Faculty of Health and Medical Sciences, The University of Western Australia, Crawley, WA, Australia.,School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia
| | - Samuel F Feng
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates.,Department of Mathematics, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Ahmed F Yousef
- Department of Chemistry, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Habiba S Alsafar
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates.,Department of Mathematics, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates.,Department of Biomedical Engineering, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
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183
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Marsh A, Radford-Smith G, Banks M, Lord A, Chachay V. Dietary intake of patients with inflammatory bowel disease aligns poorly with traditional Mediterranean diet principles. Nutr Diet 2021; 79:229-237. [PMID: 34806269 DOI: 10.1111/1747-0080.12715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 10/12/2021] [Accepted: 10/18/2021] [Indexed: 12/19/2022]
Abstract
AIM Previous research has shown that individuals with inflammatory bowel disease avoid specific food items, such as fibre rich foods, in order to manage symptoms. Dietary fibre and the traditional Mediterranean diet are both associated with reduced mucosal and systemic inflammation, gut barrier integrity, and microbiota diversity. There is limited data on the diet composition of individuals with inflammatory bowel disease. The aim of this study was to evaluate how it compares to the traditional Mediterranean diet and national dietary guidelines. METHODS Outpatients with inflammatory bowel disease were recruited to the study between February and August 2019. Demographic and medical information was obtained for consenting participants. All participants completed a dietary assessment of usual intake (24-h diet recall and 17-point ready reckoner) from which a Mediterranean diet adherence score was calculated. Dietary intake of core food groups was compared to the recommended number of serves outlined in the Australian Guide to Healthy Eating. RESULTS 100 participants were recruited. The mean Mediterranean diet adherence score was 5.1 ± 1.3 (maximum 14 points), 4% of participants scored ≥9 (commonly agreed criteria for Mediterranean diet adherence). Participants also consumed considerably less grains and vegetables than national dietary guidelines recommendations. CONCLUSIONS The diet of outpatients with inflammatory bowel disease did not align with Mediterranean diet characteristics. Participants consumed significantly less grains and vegetables than national guidelines, suggesting a low fibre intake. These findings suggest that dietary interventions focusing on improving the diet of individuals with inflammatory bowel disease to align with Mediterranean diet characteristics are warranted.
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Affiliation(s)
- Abigail Marsh
- The School of Human Movement and Nutrition Sciences, The University of Queensland, St Lucia, Queensland, Australia.,Department of Nutrition and Dietetics, Royal Brisbane and Women's Hospital, Herston, Queensland, Australia
| | - Graham Radford-Smith
- Gut Health Group, QIMR Berghofer Medical Research Institute, Herston, Queensland, Australia.,Department of Gastroenterology and Hepatology, Royal Brisbane and Women's Hospital, Herston, Queensland, Australia
| | - Merrilyn Banks
- Department of Nutrition and Dietetics, Royal Brisbane and Women's Hospital, Herston, Queensland, Australia
| | - Anton Lord
- Gut Health Group, QIMR Berghofer Medical Research Institute, Herston, Queensland, Australia
| | - Veronique Chachay
- The School of Human Movement and Nutrition Sciences, The University of Queensland, St Lucia, Queensland, Australia
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184
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Oh JK, Vasquez R, Kim SH, Hwang IC, Song JH, Park JH, Kim IH, Kang DK. Multispecies probiotics alter fecal short-chain fatty acids and lactate levels in weaned pigs by modulating gut microbiota. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2021; 63:1142-1158. [PMID: 34796353 PMCID: PMC8564300 DOI: 10.5187/jast.2021.e94] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/20/2021] [Accepted: 07/27/2021] [Indexed: 12/18/2022]
Abstract
Short-chain fatty acids (SCFAs) are metabolic products produced during the
microbial fermentation of non-digestible fibers and play an important role in
metabolic homeostasis and overall gut health. In this study, we investigated the
effects of supplementation with multispecies probiotics (MSPs) containing
Bacillus amyloliquefaciens, Limosilactobacillus
reuteri, and Levilactobacillus brevis on the gut
microbiota, and fecal SCFAs and lactate levels of weaned pigs. A total of 38
pigs weaned at 4 weeks of age were fed either a basal diet or a diet
supplemented with MSPs for 6 weeks. MSP administration significantly increased
the fecal concentrations of lactate (2.3-fold; p <
0.01), acetate (1.8-fold; p < 0.05), and formate
(1.4-fold; p < 0.05). Moreover, MSP supplementation
altered the gut microbiota of the pigs by significantly increasing the
population of potentially beneficial bacteria such as
Olsenella, Catonella,
Catenibacterium, Acidaminococcus, and
Ruminococcaceae. MSP supplementation also decreased the
abundance of pathogenic bacteria such as Escherichia and
Chlamydia. The modulation of the gut microbiota was
observed to be strongly correlated with the changes in fecal SCFAs and lactate
levels. Furthermore, we found changes in the functional pathways present within
the gut, which supports our findings that MSP modulates the gut microbiota and
SCFAs levels in pigs. The results support the potential use of MSPs to improve
the gut health of animals by modulating SCFAs production.
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Affiliation(s)
- Ju Kyoung Oh
- Department of Microbiology, Tumor and Cell Biology, Centre for Translational Microbiome Research (CTMR), Karolinska Institutet, Stockholm 17177, Sweden
| | - Robie Vasquez
- Department of Animal Resources Science, Dankook University, Cheonan 31116, Korea
| | - Sang Hoon Kim
- Department of Animal Resources Science, Dankook University, Cheonan 31116, Korea
| | - In-Chan Hwang
- Department of Animal Resources Science, Dankook University, Cheonan 31116, Korea
| | - Ji Hoon Song
- Department of Animal Resources Science, Dankook University, Cheonan 31116, Korea
| | - Jae Hong Park
- Department of Animal Resources Science, Dankook University, Cheonan 31116, Korea
| | - In Ho Kim
- Department of Animal Resources Science, Dankook University, Cheonan 31116, Korea
| | - Dae-Kyung Kang
- Department of Animal Resources Science, Dankook University, Cheonan 31116, Korea
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185
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Frausto DM, Forsyth CB, Keshavarzian A, Voigt RM. Dietary Regulation of Gut-Brain Axis in Alzheimer's Disease: Importance of Microbiota Metabolites. Front Neurosci 2021; 15:736814. [PMID: 34867153 PMCID: PMC8639879 DOI: 10.3389/fnins.2021.736814] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 10/18/2021] [Indexed: 12/12/2022] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease that impacts 45 million people worldwide and is ranked as the 6th top cause of death among all adults by the Centers for Disease Control and Prevention. While genetics is an important risk factor for the development of AD, environment and lifestyle are also contributing risk factors. One such environmental factor is diet, which has emerged as a key influencer of AD development/progression as well as cognition. Diets containing large quantities of saturated/trans-fats, refined carbohydrates, limited intake of fiber, and alcohol are associated with cognitive dysfunction while conversely diets low in saturated/trans-fats (i.e., bad fats), high mono/polyunsaturated fats (i.e., good fats), high in fiber and polyphenols are associated with better cognitive function and memory in both humans and animal models. Mechanistically, this could be the direct consequence of dietary components (lipids, vitamins, polyphenols) on the brain, but other mechanisms are also likely to be important. Diet is considered to be the single greatest factor influencing the intestinal microbiome. Diet robustly influences the types and function of micro-organisms (called microbiota) that reside in the gastrointestinal tract. Availability of different types of nutrients (from the diet) will favor or disfavor the abundance and function of certain groups of microbiota. Microbiota are highly metabolically active and produce many metabolites and other factors that can affect the brain including cognition and the development and clinical progression of AD. This review summarizes data to support a model in which microbiota metabolites influence brain function and AD.
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Affiliation(s)
- Dulce M. Frausto
- Rush Medical College, Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
| | - Christopher B. Forsyth
- Rush Medical College, Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
- Department of Medicine, Rush University Medical Center, Chicago, IL, United States
| | - Ali Keshavarzian
- Rush Medical College, Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
- Department of Medicine, Rush University Medical Center, Chicago, IL, United States
- Department of Physiology, Rush University Medical Center, Chicago, IL, United States
| | - Robin M. Voigt
- Rush Medical College, Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
- Department of Medicine, Rush University Medical Center, Chicago, IL, United States
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186
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Which Microbes Like My Diet and What Does It Mean for My Heart? Nutrients 2021; 13:nu13114146. [PMID: 34836400 PMCID: PMC8625446 DOI: 10.3390/nu13114146] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 11/17/2021] [Accepted: 11/18/2021] [Indexed: 02/08/2023] Open
Abstract
Cardiovascular diseases are the most common causes of hospitalization, death and disability in Europe. Despite our knowledge of nonmodifiable and modifiable cardiovascular classical risk factors, the morbidity and mortality in this group of diseases remains high, leading to high social and economic costs. Therefore, it is necessary to explore new factors, such as the gut microbiome, that may play a role in many crucial pathological processes related to cardiovascular diseases. Diet is a potentially modifiable cardiovascular risk factor. Fats, proteins, carbohydrates, vitamins and minerals are nutrients that are essential to the proper function of the human body. The style and composition of the human diet has changed over time, evolving from a hunter–gatherer diet to an industrialized and Westernized modern diet that includes processed products. The relationship between the gut microbiome, diet and cardiovascular diseases is complex and still not fully understood. In this review, we discuss, in the context of diet, why particular microbes occur in individuals and how they can influence the host’s cardiovascular system in health and disease. We investigate the role of particular microorganisms and changes in the Firmicutes/Bacteroidetes ratio.
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187
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McFarlane C, Krishnasamy R, Stanton T, Savill E, Snelson M, Mihala G, Morrison M, Johnson DW, Campbell KL. Diet Quality and Protein-Bound Uraemic Toxins: Investigation of Novel Risk Factors and the Role of Microbiome in Chronic Kidney Disease. J Ren Nutr 2021; 32:542-551. [PMID: 34776340 DOI: 10.1053/j.jrn.2021.10.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 09/16/2021] [Accepted: 10/03/2021] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE This study aims to explore the associations between diet quality, uraemic toxins, and gastrointestinal microbiota in the chronic kidney disease (CKD) population. METHODS This is a baseline cross-sectional study of adults with CKD participating in a randomized controlled trial of prebiotic and probiotic supplementation. Dietary intake was measured using a seven-day diet history method, administered by a specialist dietitian. Diet quality was assessed using plant-based diet index (PDI) (overall PDI, healthy PDI, and unhealthy PDI), food group analysis, protein intake, fiber intake, and dietary protein-to-fiber ratio. Serum uraemic toxins (free and total; indoxyl sulfate and p-cresyl sulfate) were determined by ultraperformance liquid chromatography. Gastrointestinal microbiota richness, diversity, composition, and functional capacity were analyzed via metagenomic sequencing. RESULTS Sixty-eight adults [median age: 70 (interquartile range: 58-75) years, 66% male] with an estimated glomerular filtration rate of 34 ± 11 mL/min/1.73 m2 were included, with 40 participants completing the optional fecal substudy. Dietary fiber intake was associated with lower levels of total indoxyl sulfate, whereas the healthy plant-based diet index was associated with lower levels of free p-cresyl sulfate. A higher protein-to-fiber ratio was associated with an increased relative abundance of unclassified members of order Oscillospirales. Intake of vegetables and whole grains was correlated with Subdoligranulum formicile, whereas an unclassified Prevotella species was correlated with potatoes and food items considered discretionary, including sweet drinks, sweet desserts, and animal fats. CONCLUSIONS Diet quality may influence uraemic toxin generation and gut microbiota diversity, composition, and function in adults with CKD. Well-designed dietary intervention studies targeting the production of uraemic toxins and exploring the impact on gut microbiome are warranted in the CKD population.
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Affiliation(s)
- Catherine McFarlane
- School of Medicine, University of Queensland, Brisbane, Queensland, Australia; Sunshine Coast University Hospital, Birtinya, Queensland, Australia.
| | - Rathika Krishnasamy
- Sunshine Coast University Hospital, Birtinya, Queensland, Australia; Australasian Kidney Trials Network, University of Queensland, Brisbane, Queensland, Australia
| | - Tony Stanton
- Sunshine Coast University Hospital, Birtinya, Queensland, Australia
| | - Emma Savill
- Sunshine Coast University Hospital, Birtinya, Queensland, Australia
| | - Matthew Snelson
- Department of Diabetes, Monash University, Victoria, Australia
| | - Gabor Mihala
- Menzies Health Institute Queensland, Griffith University, Nathan, Queensland, Australia; Centre for Applied Health Economics, Griffith University, Nathan, Queensland, Australia
| | - Mark Morrison
- Diamantina Institute, Faculty of Medicine, University of Queensland, Woolloongabba, Queensland, Australia
| | - David W Johnson
- Australasian Kidney Trials Network, University of Queensland, Brisbane, Queensland, Australia; Department of Nephrology, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Katrina L Campbell
- School of Medicine, University of Queensland, Brisbane, Queensland, Australia; Australasian Kidney Trials Network, University of Queensland, Brisbane, Queensland, Australia; Menzies Health Institute Queensland, Griffith University, Nathan, Queensland, Australia
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188
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Ulmus macrocarpa Hance extract modulates intestinal microbiota in healthy adults: a randomized, placebo-controlled clinical trial. J Microbiol 2021; 59:1150-1156. [PMID: 34697783 DOI: 10.1007/s12275-021-1329-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 08/27/2021] [Accepted: 09/27/2021] [Indexed: 10/20/2022]
Abstract
The stem and root bark of Ulmus macrocarpa Hance has been used as traditional pharmacological agent against inflammation related disorders. The objective of this study was to explore the impact of Ulmus macrocarpa Hance extract (UME) on human gut microbiota. A randomized placebo-controlled clinical study was conducted in healthy adults. The study subjects were given 500 mg/day of UME or placebo orally for 4 weeks. Eighty fecal samples were collected at baseline and 4 weeks of UME or placebo intervention. The gut microbiota variation was evaluated by 16S rRNA profiling. The microbial response was highly personalized, and no statistically significant differences was observed in both species richness and abundance. The number of bacterial species identified in study subjects ranged from 86 to 182 species. The analysis for taxonomical changes revealed an increase in Eubacterium ventriosum, Blautia faecis, Ruminococcus gnavus in the UME group. Functional enrichment of bacterial genes showed an increase in primary and secondary bile acid biosynthesis in UME group. Having known from previous studies Eubacterium regulated bile acid homeostasis in protecting gut microbial architecture and immunity, we suggest that UME supplementation might enhance host immunity by modulating gut microbiota. This is the first stage study and forthcoming clinical studies with larger participants are needed to confirm these findings.
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189
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Cullin N, Azevedo Antunes C, Straussman R, Stein-Thoeringer CK, Elinav E. Microbiome and cancer. Cancer Cell 2021; 39:1317-1341. [PMID: 34506740 DOI: 10.1016/j.ccell.2021.08.006] [Citation(s) in RCA: 218] [Impact Index Per Article: 72.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 08/05/2021] [Accepted: 08/13/2021] [Indexed: 12/14/2022]
Abstract
The human microbiome constitutes a complex multikingdom community that symbiotically interacts with the host across multiple body sites. Host-microbiome interactions impact multiple physiological processes and a variety of multifactorial disease conditions. In the past decade, microbiome communities have been suggested to influence the development, progression, metastasis formation, and treatment response of multiple cancer types. While causal evidence of microbial impacts on cancer biology is only beginning to be unraveled, enhanced molecular understanding of such cancer-modulating interactions and impacts on cancer treatment are considered of major scientific importance and clinical relevance. In this review, we describe the molecular pathogenic mechanisms shared throughout microbial niches that contribute to the initiation and progression of cancer. We highlight advances, limitations, challenges, and prospects in understanding how the microbiome may causally impact cancer and its treatment responsiveness, and how microorganisms or their secreted bioactive metabolites may be potentially harnessed and targeted as precision cancer therapeutics.
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Affiliation(s)
- Nyssa Cullin
- Microbiome and Cancer Division, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Camila Azevedo Antunes
- Microbiome and Cancer Division, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Ravid Straussman
- Department of Molecular Cell Biology, Weizmann Institute of Science, 234 Herzl Street, 7610001 Rehovot, Israel
| | - Christoph K Stein-Thoeringer
- Microbiome and Cancer Division, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany.
| | - Eran Elinav
- Microbiome and Cancer Division, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany; Department of Immunology, Weizmann Institute of Science, 234 Herzl Street, 7610001 Rehovot, Israel.
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190
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Liu Y, Zheng S, Cui J, Guo T, Zhang J, Li B. Alleviative Effects of Exopolysaccharide Produced by Lactobacillus helveticus KLDS1.8701 on Dextran Sulfate Sodium-Induced Colitis in Mice. Microorganisms 2021; 9:microorganisms9102086. [PMID: 34683406 PMCID: PMC8539248 DOI: 10.3390/microorganisms9102086] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/19/2021] [Accepted: 09/27/2021] [Indexed: 01/15/2023] Open
Abstract
Ulcerative colitis (UC) is a non-specific chronic inflammatory disease with lesions located in the colon and rectum. The aim of this study was to evaluate the anti-inflammatory effects of exopolysaccharide-1 (EPS-1) isolated by L. helveticus KLDS1.8701 on UC. The anti-inflammatory effects of EPS-1 were studied using dextran sulphate sodium (DSS)-induced UC model. In vivo results showed that EPS-1 administration significantly ameliorated weight loss, colon shortening, disease activity index (DAI) score, myeloperoxidase (MPO) activity, and colon tissue damage. In addition, EPS-1 administration significantly decreased the levels of pro-inflammatory cytokines and increased levels of anti-inflammatory cytokines. Meanwhile, EPS-1 administration significantly up-regulated the expression of tight junction proteins and mucin. Furthermore, EPS-1 administration modulated gut microbiota composition caused by DSS and increased the short-chain fatty acids (SCFAs) levels. Collectively, our study showed the alleviative effects of EPS- isolated by L. helveticus KLDS1.8701 on DSS-induced UC via alleviating intestinal inflammation, improving mucosal barrier function, and modulating gut microbiota composition.
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Affiliation(s)
- Yin Liu
- School of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China; (Y.L.); (S.Z.); (J.C.); (T.G.); (J.Z.)
| | - Shujuan Zheng
- School of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China; (Y.L.); (S.Z.); (J.C.); (T.G.); (J.Z.)
| | - Jiale Cui
- School of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China; (Y.L.); (S.Z.); (J.C.); (T.G.); (J.Z.)
| | - Tingting Guo
- School of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China; (Y.L.); (S.Z.); (J.C.); (T.G.); (J.Z.)
| | - Jingtao Zhang
- School of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China; (Y.L.); (S.Z.); (J.C.); (T.G.); (J.Z.)
| | - Bailiang Li
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, China
- Food College, Northeast Agricultural University, Harbin 150030, China
- Correspondence:
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191
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Lactobacillus plantarum and Lactobacillus brevis Alleviate Intestinal Inflammation and Microbial Disorder Induced by ETEC in a Murine Model. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6867962. [PMID: 34594475 PMCID: PMC8478549 DOI: 10.1155/2021/6867962] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Accepted: 08/20/2021] [Indexed: 12/24/2022]
Abstract
The purpose of this research is to explore the positive effects of Lactobacillus plantarum and Lactobacillus brevis on the tissue damage and microbial community in mice challenged by Enterotoxigenic Escherichia coli (ETEC). Twenty-four mice were divided into four groups randomly: the CON group, ETEC group, LP-ETEC group and LB-ETEC group. Our results demonstrated that, compared with the ETEC group, the LP-ETEC and LB-ETEC groups experienced less weight loss and morphological damage of the jejunum. We measured proinflammatory factors of colonic tissue and found that L. plantarum and L. brevis inhibited the expression of proinflammatory factors such as IL-β, TNF-α, and IL-6 and promoted that of the tight junction protein such as claudin-1, occludin, and ZO-1. Additionally, L. plantarum and L. brevis altered the impact of ETEC on the intestinal microbial community of mice, significantly increased the abundance of probiotics such as Lactobacillus, and reduced that of pathogenic bacteria such as Proteobacteria, Clostridia, Epsilonproteobacteria, and Helicobacter. Therefore, we believe that L. plantarum and L. brevis can stabilize the intestinal microbiota and inhibit the growth of pathogenic bacteria, thus protecting mice from the gut inflammation induced by ETEC.
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192
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Rusch C, Beke M, Tucciarone L, Dixon K, Nieves C, Mai V, Stiep T, Tholanikunnel T, Ramirez-Zamora A, Hess CW, Langkamp-Henken B. Effect of a Mediterranean diet intervention on gastrointestinal function in Parkinson's disease (the MEDI-PD study): study protocol for a randomised controlled trial. BMJ Open 2021; 11:e053336. [PMID: 34551955 PMCID: PMC8460525 DOI: 10.1136/bmjopen-2021-053336] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
INTRODUCTION Constipation is a common and sometimes debilitating non-motor symptom of Parkinson's disease (PD) that can result in intestinal inflammation and microbial dysbiosis. The Mediterranean diet, rich in fermentable fibres and anti-inflammatory phenolic compounds, is associated with reduced risk of developing PD and slower progression of parkinsonism. The Mediterranean diet is often recommended for people with PD; however, no studies to date examine this diet as a therapeutic intervention to modulate gastrointestinal (GI) dysfunction. METHODS AND ANALYSIS This is a randomised, controlled, parallel study. During a 2-week run-in, participants with PD and constipation symptoms (n=52) will undergo baseline nutritional and neurological assessments and provide a stool sample. Participants will be stratified by sex and Hoehn and Yahr stage and randomised to follow standard of care for constipation (control) or standard of care plus a Mediterranean diet (intervention) for 8 weeks. A study dietitian will provide dietary instruction and weekly follow-up via telephone to both groups to support adherence and monitor adverse events. Questionnaires will assess dietary intake and GI function including stool frequency, form, symptoms and laxative usage. Measurements completed at baseline will be repeated at 4 and 8 weeks of the intervention. The primary outcome is to evaluate the difference between mean change (final-baseline) in Gastrointestinal Symptom Rating Scale (GSRS) constipation syndrome scores for the control versus intervention groups. Secondary outcomes will assess stool frequency and form, weekly GSRS syndrome scores, digestive quality of life, laxative usage, faecal microbial communities and inflammatory markers, anxiety, depression, quality life, body weight and composition, dietary fibre intake and Mediterranean diet adherence. ETHICS AND DISSEMINATION The study has received University of Florida Institutional Review Board-01 approval (IRB202001333). Findings will be disseminated via conference presentations, lectures and peer-reviewed publications. TRIAL REGISTRATION NUMBER NCT04683900.
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Affiliation(s)
- Carley Rusch
- Food Science and Human Nutrition Department, University of Florida, Gainesville, Florida, USA
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, Florida, USA
| | - Matthew Beke
- Food Science and Human Nutrition Department, University of Florida, Gainesville, Florida, USA
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, Florida, USA
| | - Lily Tucciarone
- Food Science and Human Nutrition Department, University of Florida, Gainesville, Florida, USA
| | - Katherine Dixon
- Food Science and Human Nutrition Department, University of Florida, Gainesville, Florida, USA
| | - Carmelo Nieves
- Food Science and Human Nutrition Department, University of Florida, Gainesville, Florida, USA
| | - Volker Mai
- Department of Epidemiology, Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
| | - Tamara Stiep
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, Florida, USA
| | - Tracy Tholanikunnel
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, Florida, USA
| | - Adolfo Ramirez-Zamora
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, Florida, USA
| | - Christopher W Hess
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, Florida, USA
| | - Bobbi Langkamp-Henken
- Food Science and Human Nutrition Department, University of Florida, Gainesville, Florida, USA
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193
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Bati VV, Meleshko TV, Pallah O, Zayachuk IP, Boyko NV. Personalised diet improve intestine microbiota and metabolism of obese rats. UKRAINIAN BIOCHEMICAL JOURNAL 2021. [DOI: 10.15407/ubj93.04.077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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194
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Lymberopoulos E, Gentili GI, Alomari M, Sharma N. Topological Data Analysis Highlights Novel Geographical Signatures of the Human Gut Microbiome. Front Artif Intell 2021; 4:680564. [PMID: 34490420 PMCID: PMC8417942 DOI: 10.3389/frai.2021.680564] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 07/28/2021] [Indexed: 01/22/2023] Open
Abstract
Background: There is growing interest in the connection between the gut microbiome and human health and disease. Conventional approaches to analyse microbiome data typically entail dimensionality reduction and assume linearity of the observed relationships, however, the microbiome is a highly complex ecosystem marked by non-linear relationships. In this study, we use topological data analysis (TDA) to explore differences and similarities between the gut microbiome across several countries. Methods: We used curated adult microbiome data at the genus level from the GMrepo database. The dataset contains OTU and demographical data of over 4,400 samples from 19 studies, spanning 12 countries. We analysed the data with tmap, an integrative framework for TDA specifically designed for stratification and enrichment analysis of population-based gut microbiome datasets. Results: We find associations between specific microbial genera and groups of countries. Specifically, both the USA and UK were significantly co-enriched with the proinflammatory genera Lachnoclostridium and Ruminiclostridium, while France and New Zealand were co-enriched with other, butyrate-producing, taxa of the order Clostridiales. Conclusion: The TDA approach demonstrates the overlap and distinctions of microbiome composition between and within countries. This yields unique insights into complex associations in the dataset, a finding not possible with conventional approaches. It highlights the potential utility of TDA as a complementary tool in microbiome research, particularly for large population-scale datasets, and suggests further analysis on the effects of diet and other regionally varying factors.
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Affiliation(s)
- Eva Lymberopoulos
- Department of Clinical and Movement Neurosciences, Institute of Neurology, University College London, London, United Kingdom.,CDT AI-Enabled Healthcare Systems, Institute of Health Informatics, University College London, London, United Kingdom
| | - Giorgia Isabella Gentili
- Department of Clinical and Movement Neurosciences, Institute of Neurology, University College London, London, United Kingdom
| | - Muhannad Alomari
- Department of Clinical and Movement Neurosciences, Institute of Neurology, University College London, London, United Kingdom.,R Data Labs, Rolls-Royce Ltd, Derby, United Kingdom
| | - Nikhil Sharma
- Department of Clinical and Movement Neurosciences, Institute of Neurology, University College London, London, United Kingdom.,National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Foundation Trust, London, United Kingdom
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195
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Lu J, Zhang L, Zhai Q, Zhao J, Zhang H, Lee YK, Lu W, Li M, Chen W. Chinese gut microbiota and its associations with staple food type, ethnicity, and urbanization. NPJ Biofilms Microbiomes 2021; 7:71. [PMID: 34489454 PMCID: PMC8421333 DOI: 10.1038/s41522-021-00245-0] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 08/11/2021] [Indexed: 02/06/2023] Open
Abstract
The gut microbiota could affect human health and disease. Although disease-associated microbiota alteration has been extensively investigated in the Chinese population, a nationwide Chinese gut microbiota baseline is still lacking. Here we performed 16 S rRNA gene sequencing on fecal samples from 2678 healthy Chinese individuals, who belonged to eight ethnic groups and resided in 63 counties/cities of 28 provinces. We identified four enterotypes, three of which were enriched for Prevotella, Bacteroides, and Escherichia, respectively, whereas the fourth one had no dominant genus. By assessing the association between the gut microbiota and 20 variables belonging to six categories, geography, demography, diet, urbanization, lifestyle, and sampling month, we revealed that geography explained the largest microbiota variation, and clarified the distinct patterns in the associations with staple food type, ethnicity, and urban/rural residence. Specifically, the gut microbiota of Han Chinese and ethnic minority groups from the same sites was more alike than that of the same ethnic minority groups from different sites. Individuals consuming wheat as staple food were predicted to have more microbial genes involving in glucan 1,3-beta-glucosidase and S-adenosyl-L-methionine biosynthesis than those who consumed rice, based on functional prediction. Besides, an appreciable effect of urbanization on decreased intra-individual diversity, increased inter-individual diversity, and increased proportion of the Bacteroides enterotype was observed. Collectively, our study provided a nationwide gut microbiota baseline of the Chinese population and knowledge on important covariates, which are fundamental to translational microbiota research.
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Affiliation(s)
- Jing Lu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Li Zhang
- Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences, and China National Center for Bioinformation, Beijing, China
| | - Qixiao Zhai
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, China
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, China
| | - Hao Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, China
| | - Yuan-Kun Lee
- International Joint Research Laboratory for Pharmabiotics & Antibiotic Resistance, Jiangnan University, Wuxi, China
- Department of Microbiology & Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Wenwei Lu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.
- School of Food Science and Technology, Jiangnan University, Wuxi, China.
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, China.
- International Joint Research Laboratory for Pharmabiotics & Antibiotic Resistance, Jiangnan University, Wuxi, China.
| | - Mingkun Li
- Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences, and China National Center for Bioinformation, Beijing, China.
- University of Chinese Academy of Sciences, Beijing, China.
- Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, China.
| | - Wei Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.
- School of Food Science and Technology, Jiangnan University, Wuxi, China.
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, China.
- International Joint Research Laboratory for Pharmabiotics & Antibiotic Resistance, Jiangnan University, Wuxi, China.
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196
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Liu K, Yang J, Yuan H. Recent progress in research on the gut microbiota and highland adaptation on the Qinghai-Tibet Plateau. J Evol Biol 2021; 34:1514-1530. [PMID: 34473899 DOI: 10.1111/jeb.13924] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 08/05/2021] [Accepted: 08/30/2021] [Indexed: 12/20/2022]
Abstract
Microbial communities that inhabit the host's intestine influence many aspects of the host's health and bear the adaptive potential to alterations in harsh environments and diets. The Qinghai-Tibet Plateau represents one of the harshest environments in the world. Preliminary progress has been made in identifying the communities of gut microbes in Indigenous Tibetans and non-human animals. However, due to the complexity of microbial communities, the effects of gut microbes on the host's health and high-plateau adaptation remain unexplained. Herein, we review the latest progress in identifying factors affecting the gut microbiota of native Tibetans and non-human animals and highlight the complex interactions between the gut microbiota, health and highland adaptation, which provides a basis for exploring the correlations between the gut microbiota and clinical indexes in native highland residents and travellers, as well as developing microbiota-based strategies to mitigate health risks for tourists and treatments for mountain sickness during high-altitude travel in the future.
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Affiliation(s)
- Kui Liu
- State Key Laboratory of Agrobiotechnology and Key Laboratory of Soil Microbiology, Ministry of Agriculture, College of Biological Sciences, China Agricultural University, Beijing, China
| | - Jinshui Yang
- State Key Laboratory of Agrobiotechnology and Key Laboratory of Soil Microbiology, Ministry of Agriculture, College of Biological Sciences, China Agricultural University, Beijing, China
| | - Hongli Yuan
- State Key Laboratory of Agrobiotechnology and Key Laboratory of Soil Microbiology, Ministry of Agriculture, College of Biological Sciences, China Agricultural University, Beijing, China
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197
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Salamone D, Rivellese AA, Vetrani C. The relationship between gut microbiota, short-chain fatty acids and type 2 diabetes mellitus: the possible role of dietary fibre. Acta Diabetol 2021; 58:1131-1138. [PMID: 33970303 PMCID: PMC8316221 DOI: 10.1007/s00592-021-01727-5] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 04/19/2021] [Indexed: 02/07/2023]
Abstract
Gut microbiota and its metabolites have been shown to influence multiple physiological mechanisms related to human health. Among microbial metabolites, short-chain fatty acids (SCFA) are modulators of different metabolic pathways. On the other hand, several studies suggested that diet might influence gut microbiota composition and activity thus modulating the risk of metabolic disease, i.e. obesity, insulin resistance and type 2 diabetes. Among dietary component, dietary fibre may play a pivotal role by virtue of its prebiotic effect on fibre-fermenting bacteria, that may increase SCFA production. The aim of this review was to summarize and discuss current knowledge on the impact of dietary fibre as modulator of the relationship between glucose metabolism and microbiota composition in humans. More specifically, we analysed evidence from observational studies and randomized nutritional intervention investigating the relationship between gut microbiota, short-chain fatty acids and glucose metabolism. The possible mechanisms behind this association were also discussed.
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Affiliation(s)
- Dominic Salamone
- Department of Clinical Medicine and Surgery, University of Naples "Federico II", 5 Sergio Pansini, 80131, Naples, Italy
| | - Angela Albarosa Rivellese
- Department of Clinical Medicine and Surgery, University of Naples "Federico II", 5 Sergio Pansini, 80131, Naples, Italy.
- Task Force On Microbiome Studies, University of Naples "Federico II", Naples, Italy.
| | - Claudia Vetrani
- Department of Clinical Medicine and Surgery, University of Naples "Federico II", 5 Sergio Pansini, 80131, Naples, Italy
- Task Force On Microbiome Studies, University of Naples "Federico II", Naples, Italy
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198
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Zhu Y, Li Y, Yang H, He K, Tang K. Establishment of Gut Microbiome During Early Life and Its Relationship With Growth in Endangered Crested Ibis ( Nipponia nippon). Front Microbiol 2021; 12:723682. [PMID: 34434183 PMCID: PMC8382091 DOI: 10.3389/fmicb.2021.723682] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 07/20/2021] [Indexed: 12/13/2022] Open
Abstract
Gut microbiota during early life could influence host fitness in vertebrates. Studies on how gut microbiota colonize the gut in birds using frequent sampling during early developmental stages and how shifts in microbiota diversity influence host growth are lacking. Here, we examine the microbiome profiles of 151 fecal samples from 14 young crested ibis (Nipponia nippon), an endangered bird species, collected longitudinally across 13 time points during the early stages of development and investigated their correlation with host growth. Gut diversity showed a non-linear change during development, which involved multiple colonization and extinction events, mainly associated with Proteobacteria and Firmicutes. Gut microbiota in young crested ibis became more similar with increasing age. In addition, gut microbiota exhibited a strong temporal structure and two specific developmental stages; the beginning of the latter stage coincided with the introduction of fresh loach, with a considerable increase in the relative abundance of Fusobacteria and several Firmicutes, which may be involved in lipid metabolism. Crested ibis chick growth rate was negatively correlated with gut microbiota diversity and negatively associated with the abundance of Halomonadaceae, Streptococci, Corynebacteriaceae, and Dietziaceae. Our findings highlight the importance of frequent sampling when studying microbiome development during early stages of development of vertebrates. The role of microbial diversity in host growth during the early stages of development of birds warrants further investigations.
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Affiliation(s)
- Ying Zhu
- Institute of Qinghai-Tibetan Plateau, Southwest Minzu University, Chengdu, China
| | - Yudong Li
- Sichuan Province Laboratory for Natural Resources Protection and Sustainable Utilization, Sichuan Provincial Academy of Natural Resource Sciences, Chengdu, China
| | - Haiqiong Yang
- Emei Breeding Center for Crested Ibis, Emei, Chengdu, China
| | - Ke He
- College of Animal Sciences and Technology, Zhejiang A&F University, Hangzhou, China
| | - Keyi Tang
- College of Life Sciences, Sichuan Normal University, Chengdu, China
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199
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The role of a Mediterranean diet and physical activity in decreasing age-related inflammation through modulation of the gut microbiota composition. Br J Nutr 2021; 128:1299-1314. [PMID: 34423757 DOI: 10.1017/s0007114521003251] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Chronic inflammation is known to be a predominant factor in the development of many age-related conditions including CVD, type II diabetes and neurodegenerative diseases. Previous studies have demonstrated that during the ageing process there is an increase in inflammatory biomarkers, which may be partially brought about by detrimental changes in the gut microbiota. The Mediterranean diet (MedDiet) and physical activity (PA) are protective against inflammation and chronic disease, and emerging evidence has shown that these effects may be partially mediated through favourable changes in the gut microbiota. In this review, we have evaluated the published literature on the effect of a MedDiet and PA on the gut microbiota. We also discuss the relationship between the gut microbiota and inflammation with a focus on healthy ageing. While inconsistent study designs make forming definitive conclusions challenging, the current evidence suggests that both a MedDiet and PA are capable of modifying the gut microbiota in a way that is beneficial to host health. For example, the increases in the relative abundance of SCFA producing bacteria that are considered to possess anti-inflammatory properties. Modification of the gut microbiota through a MedDiet and PA presents as a potential method to attenuate age-related increases in inflammation, and additional studies utilising older individuals are needed to fill the knowledge gaps existing in current literature.
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200
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Miller CB, Benny P, Riel J, Boushey C, Perez R, Khadka V, Qin Y, Maunakea AK, Lee MJ. Adherence to Mediterranean diet impacts gastrointestinal microbial diversity throughout pregnancy. BMC Pregnancy Childbirth 2021; 21:558. [PMID: 34399704 PMCID: PMC8369757 DOI: 10.1186/s12884-021-04033-8] [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: 03/22/2021] [Accepted: 08/03/2021] [Indexed: 12/15/2022] Open
Abstract
Background Consumption of a diet with high adherence to a Mediterranean diet pattern (MDP) has been associated with a favorable gastrointestinal tract (GIT) microbiome. A healthy GIT microbiome in pregnancy, as defined by increased alpha diversity, is associated with lower chance of adverse perinatal outcomes. This study aimed to evaluate the impact of adherence to an MDP on GIT microbial diversity longitudinally throughout pregnancy. Methods Adherence to MDP was scored by the Alternate Mediterranean (aMED) Diet Quality Score, after being applied to a validated Food Frequency Questionnaire. Association of aMED Scores with GIT alpha diversity profiles were compared linearly and across time using a linear mixed model, including covariates of age, body mass index (BMI), ethnicity, and parity. Results Forty-one participants of Filipino, Japanese, Native Hawaiian, and Non-Hispanic White descent provided dietary information and microbiome samples during each trimester of pregnancy. Alpha diversity profiles changed over gestation, with decreased microbial diversity in the third trimester. aMED scores positively correlated with Chao1 Index and Observed Species Number (r = 0.244, p = 0.017, and r = 0.233, p = 0.023, respectively). The strongest association was detected in the third trimester (Chao 1: r = 0.43, p = 0.020, Observed Species Number: r = 0.41, p = 0.026). Participants with higher aMED scores had higher relative abundance of Acidaminoacaeae at the family level (p = 0.0169), as well as higher abundance of several species known to increase production of short chain fatty acids within the GIT. Conclusions Adherence to MDP pattern is associated with increased maternal GIT microbial diversity, and promotes the abundance of bacteria that produce short chain fatty acids. Increased consumption of fruits, vegetables and legumes with low red meat consumption were key components driving this association. The effect of nutrition however, was less of an effect than pregnancy itself. Further studies are needed to determine if adherence to a Mediterranean diet translates not only into microbial health, but also into reduced risk of adverse pregnancy outcomes. Supplementary Information The online version contains supplementary material available at 10.1186/s12884-021-04033-8.
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Affiliation(s)
- Corrie B Miller
- John A Burns School of Medicine, University of Hawai'i at Mānoa, Honolulu, USA. .,John A. Burns School of Medicine, Department of Obstetrics, Gynecology and Women's Health, 1319 Punahou Street, Suite 824, Honolulu, HI, 96826, USA.
| | - Paula Benny
- John A Burns School of Medicine, University of Hawai'i at Mānoa, Honolulu, USA.,John A. Burns School of Medicine, Department of Obstetrics, Gynecology and Women's Health, 1319 Punahou Street, Suite 824, Honolulu, HI, 96826, USA
| | - Jonathan Riel
- John A Burns School of Medicine, University of Hawai'i at Mānoa, Honolulu, USA.,John A. Burns School of Medicine, Department of Obstetrics, Gynecology and Women's Health, 1319 Punahou Street, Suite 824, Honolulu, HI, 96826, USA
| | - Carol Boushey
- University of Hawai'i Cancer Center, Epidemiology Program, 701 Ilalo Street Room 525, Honolulu, HI, 96813, USA
| | - Rafael Perez
- Epigenomics Research Program, BSB-222K (office)/BSB-228 (lab), 651 Ilalo Street, Honolulu, HI, 96813, USA
| | - Vedbar Khadka
- John A. Burns School of Medicine Department of Quantitative Health Sciences, 651 Ilalo Street, Medical Education Building Suite 411, Honolulu, HI, 96813, USA
| | - Yujia Qin
- John A. Burns School of Medicine Department of Quantitative Health Sciences, 651 Ilalo Street, Medical Education Building Suite 411, Honolulu, HI, 96813, USA
| | - Alika K Maunakea
- Epigenomics Research Program, BSB-222K (office)/BSB-228 (lab), 651 Ilalo Street, Honolulu, HI, 96813, USA
| | - Men-Jean Lee
- John A Burns School of Medicine, University of Hawai'i at Mānoa, Honolulu, USA.,John A. Burns School of Medicine, Department of Obstetrics, Gynecology and Women's Health, 1319 Punahou Street, Suite 824, Honolulu, HI, 96826, USA
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