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Lavoignat M, Juhász A, Bose U, Sayd T, Chambon C, Ribeiro M, Igrejas G, Déjean S, Ravel C, Bancel E. Peptidomics analysis of in vitro digested wheat breads: Effect of genotype and environment on protein digestibility and release of celiac disease and wheat allergy related epitopes. Food Chem 2024; 448:139148. [PMID: 38569409 DOI: 10.1016/j.foodchem.2024.139148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 02/26/2024] [Accepted: 03/24/2024] [Indexed: 04/05/2024]
Abstract
Wheat proteins can trigger immunogenic reactions due to their resistance to digestion and immunostimulatory epitopes. Here, we investigated the peptidomic map of partially digested bread samples and the fingerprint of epitope diversity from 16 wheat genotypes grown in two environmental conditions. Flour protein content and composition were characterized; gastric and jejunal peptides were quantified using LC-MS/MS, and genotypes were classified into high or low bread protein digestibility. Differences in flour protein content and peptide composition distinguish high from low digestibility genotypes in both growing environments. No common peptide signature was found between high- and low-digestible genotypes; however, the celiac or allergen epitopes were noted not to be higher in low-digestible genotypes. Overall, this study established a peptidomic and epitope diversity map of digested wheat bread and provided new insights and correlations between weather conditions, genotypes, digestibility and wheat sensitivities such as celiac disease and wheat allergy.
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Affiliation(s)
- Mélanie Lavoignat
- Université Clermont Auvergne, INRAE, UMR1095 GDEC, F-63000 Clermont-Ferrand, France
| | - Angéla Juhász
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, Edith Cowan University, School of Science, 270 Joondalup Dr, Joondalup, WA 6027, Australia
| | - Utpal Bose
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, Edith Cowan University, School of Science, 270 Joondalup Dr, Joondalup, WA 6027, Australia; CSIRO Agriculture and Food, 306 Carmody Rd, St Lucia, QLD 4067, Australia
| | - Thierry Sayd
- INRAE, Plateforme d'Exploration du Métabolisme Composante Protéomique (PFEMcp), F-63122 Saint-Genès Champanelle, France
| | - Christophe Chambon
- INRAE, Plateforme d'Exploration du Métabolisme Composante Protéomique (PFEMcp), F-63122 Saint-Genès Champanelle, France
| | - Miguel Ribeiro
- Chemistry Research Centre-Vila Real (CQ-VR), University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; Department of Genetics and Biotechnology, School of Life Sciences and Environment, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal
| | - Gilberto Igrejas
- Department of Genetics and Biotechnology, School of Life Sciences and Environment, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; Functional Genomics and Proteomics Unit, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal; Associated Laboratory for Green Chemistry (LAQV-REQUIMTE), University NOVA of Lisboa, 1099-085 Lisboa, Portugal
| | - Sébastien Déjean
- Institut de Mathématiques de Toulouse, UMR5219, Université de Toulouse, CNRS, UPS, F-31062 Toulouse Cedex 9, France
| | - Catherine Ravel
- Université Clermont Auvergne, INRAE, UMR1095 GDEC, F-63000 Clermont-Ferrand, France.
| | - Emmanuelle Bancel
- Université Clermont Auvergne, INRAE, UMR1095 GDEC, F-63000 Clermont-Ferrand, France
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2
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Vorländer D, Schultz G, Hoffmann K, Rasch D, Dohnt K. PETR: A novel peristaltic mixed tubular bioreactor simulating human colonic conditions. Biotechnol Bioeng 2024; 121:1118-1143. [PMID: 38151924 DOI: 10.1002/bit.28636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 12/08/2023] [Accepted: 12/09/2023] [Indexed: 12/29/2023]
Abstract
A novel bioreactor simulating human colonic conditions for in vitro cultivation of intestinal microbiota is presented. The PEristaltic mixed Tubular bioReactor (PETR) is modular designed and periodically kneaded to simulate intestinal peristalsis. The reactor is introduced, characterized from a bioprocess engineer's perspective and discussed in its ability to mimic colon conditions. PETR provides physiological temperature and appropriate anaerobic conditions, simulates intestinal peristalsis, and has a mean residence time of 32.8 ± 0.8 h comparable to the adult human colon. The single-tube design enables a time-constant and longitudinally progressive pH gradient from 5.5 to 7.0. Using a dialysis liquid containing high molecular weight polyethylene glycol, the integrated dialysis system efficiently absorbs short chain fatty acids (up to 60%) and water (on average 850 mL d-1 ). Cultivation of a typical gut bacterium (Bifidobacterium animalis) was performed to demonstrate the applicability for controlled microbiota cultivation. PETR is unique in combining simulation of the entire colon, peristaltic mixing, dialytic water and metabolite absorption, and a progressive pH gradient in a single-tube design. PETR is a further step to precise replication of colonic conditions in vitro for reliable and reproducible microbiota research, such as studying the effect of food compounds, prebiotics or probiotics, or the development and treatment of infections with enteric pathogens, but also for further medical applications such as drug delivery studies or to study the effect of drugs on and their degradation by the microbiota.
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Affiliation(s)
- David Vorländer
- Institute of Biochemical Engineering, Technische Universität Braunschweig, Braunschweig, Germany
- Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Braunschweig, Germany
| | - Gábor Schultz
- Institute of Biochemical Engineering, Technische Universität Braunschweig, Braunschweig, Germany
- Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Braunschweig, Germany
| | - Kristin Hoffmann
- Institute of Biochemical Engineering, Technische Universität Braunschweig, Braunschweig, Germany
- Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Braunschweig, Germany
| | - Detlev Rasch
- Institute of Biochemical Engineering, Technische Universität Braunschweig, Braunschweig, Germany
- Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Braunschweig, Germany
| | - Katrin Dohnt
- Institute of Biochemical Engineering, Technische Universität Braunschweig, Braunschweig, Germany
- Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Braunschweig, Germany
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3
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Wang Y, Li Z, Bao Y, Cui H, Li J, Song B, Wang M, Li H, Cui X, Chen Y, Chen W, Yang S, Yang Y, Jin Z, Si X, Li B. Colon-targeted delivery of polyphenols: construction principles, targeting mechanisms and evaluation methods. Crit Rev Food Sci Nutr 2023:1-23. [PMID: 37823723 DOI: 10.1080/10408398.2023.2266842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/13/2023]
Abstract
Polyphenols have received considerable attention for their promotive effects on colonic health. However, polyphenols are mostly sensitive to harsh gastrointestinal environments, thus, must be protected. It is necessary to design and develop a colon-targeted delivery system to improve the stability, colon-targeting and bioavailability of polyphenols. This paper mainly introduces research on colon-targeted controlled release of polyphenols. The physiological features affecting the dissolution, release and absorption of polyphenol-loaded delivery systems in the colon are first discussed. Simultaneously, the types of colon-targeted carriers with different release mechanisms are described, and colon-targeting assessment models that have been studied so far and their advantages and limitations are summarized. Based on the current research on polyphenols colon-targeting, outlook and reflections are proposed, with the goal of inspiring strategic development of new colon-targeted therapeutics to ensure that the polyphenols reach the colon with complete bioactivity.
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Affiliation(s)
- Yidi Wang
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Zhiying Li
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Yiwen Bao
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Huijun Cui
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Jiaxin Li
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Baoge Song
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Mengzhu Wang
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Haikun Li
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Xingyue Cui
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Yi Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi, China
| | - Wei Chen
- Faculty of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Shufang Yang
- Zhejiang Lanmei Technology Co., Ltd, Zhu-ji City, Zhejiang Province, China
| | - Yiyun Yang
- Zhejiang Lanmei Technology Co., Ltd, Zhu-ji City, Zhejiang Province, China
| | - Zhufeng Jin
- Zhejiang Lanmei Technology Co., Ltd, Zhu-ji City, Zhejiang Province, China
| | - Xu Si
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Bin Li
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning, China
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Boulier A, Denis S, Henry G, Guérin S, Alric M, Meunier N, Blot A, Pereira B, Malpuech-Brugere C, Remond D, Boirie Y, Baniel A, Richard R, Dupont D, Boudry G. Casein structures differently affect postprandial amino acid delivery through their intra-gastric clotting properties. Food Chem 2023; 415:135779. [PMID: 36863238 DOI: 10.1016/j.foodchem.2023.135779] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 01/26/2023] [Accepted: 02/20/2023] [Indexed: 02/27/2023]
Abstract
We aimed to assess if casein structure affects its digestion and its subsequent amino acid delivery kinetic. Higher nitrogen levels were recovered in dialysates after in vitro digestions of sodium caseinate (SC, formed of small aggregates) compared to micellar casein (MC, native form of casein) and calcium caseinate (CC, intermediate structure). Likewise, plasma indispensable amino-acid concentration peak was higher after SC compared to MC or CC ingestion in healthy volunteers in a randomized, double blind, cross-over study. In pigs, gamma-scintigraphy using labelled meals revealed that SC was mainly localized in the proximal part of the stomach whereas MC was distributed in the whole gastric cavity. Caseins were found in both solid and liquid phases and partly hydrolyzed casein in the solid phase shortly after SC drink ingestion. These data support the concept of slow (MC) and rapid (SC) casein depending of casein structure, likely due to their intra-gastric clotting properties.
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Affiliation(s)
| | - Sylvain Denis
- UMR 454 MEDIS, Université Clermont Auvergne, INRAE, Clermont-Ferrand, France; Centre de Recherche en Nutrition Humaine Auvergne, Clermont-Ferrand, France
| | | | - Sylvie Guérin
- Institut Numecan, INSERM, INRAE, Univ Rennes, Rennes, France
| | - Monique Alric
- UMR 454 MEDIS, Université Clermont Auvergne, INRAE, Clermont-Ferrand, France; Centre de Recherche en Nutrition Humaine Auvergne, Clermont-Ferrand, France
| | - Nathalie Meunier
- Centre de Recherche en Nutrition Humaine Auvergne, Clermont-Ferrand, France; Unité d'Exploration en Nutrition, CHU Clermont-Ferrand, France
| | - Adeline Blot
- Centre de Recherche en Nutrition Humaine Auvergne, Clermont-Ferrand, France; Unité d'Exploration en Nutrition, CHU Clermont-Ferrand, France
| | - Bruno Pereira
- CHU Clermont-Ferrand, University Hospital of Clermont-Ferrand, Biostatistics Unit, the Clinical Research and Innovation Direction, Clermont-Ferrand, France
| | | | - Didier Remond
- Centre de Recherche en Nutrition Humaine Auvergne, Clermont-Ferrand, France; Université Clermont Auvergne, INRAE, UNH, Clermont-Ferrand, France
| | - Yves Boirie
- Centre de Recherche en Nutrition Humaine Auvergne, Clermont-Ferrand, France; Université Clermont Auvergne, INRAE, UNH, Clermont-Ferrand, France; Clinical Nutrition Department, University Hospital of Clermont-Ferrand, Clermont-Ferrand, France
| | | | - Ruddy Richard
- Centre de Recherche en Nutrition Humaine Auvergne, Clermont-Ferrand, France
| | | | - Gaëlle Boudry
- Institut Numecan, INSERM, INRAE, Univ Rennes, Rennes, France.
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García Mendez D, Sanabria J, Wist J, Holmes E. Effect of Operational Parameters on the Cultivation of the Gut Microbiome in Continuous Bioreactors Inoculated with Feces: A Systematic Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:6213-6225. [PMID: 37070710 PMCID: PMC10143624 DOI: 10.1021/acs.jafc.2c08146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 01/27/2023] [Accepted: 01/27/2023] [Indexed: 05/03/2023]
Abstract
Since the early 1980s, multiple researchers have contributed to the development of in vitro models of the human gastrointestinal system for the mechanistic interrogation of the gut microbiome ecology. Using a bioreactor for simulating all the features and conditions of the gastrointestinal system is a massive challenge. Some conditions, such as temperature and pH, are readily controlled, but a more challenging feature to simulate is that both may vary in different regions of the gastrointestinal tract. Promising solutions have been developed for simulating other functionalities, such as dialysis capabilities, peristaltic movements, and biofilm growth. This research field is under constant development, and further efforts are needed to drive these models closer to in vivo conditions, thereby increasing their usefulness for studying the gut microbiome impact on human health. Therefore, understanding the influence of key operational parameters is fundamental for the refinement of the current bioreactors and for guiding the development of more complex models. In this review, we performed a systematic search for operational parameters in 229 papers that used continuous bioreactors seeded with human feces. Despite the reporting of operational parameters for the various bioreactor models being variable, as a result of a lack of standardization, the impact of specific operational parameters on gut microbial ecology is discussed, highlighting the advantages and limitations of the current bioreactor systems.
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Affiliation(s)
- David
Felipe García Mendez
- Australian
National Phenome Centre and Computational and Systems Medicine, Health
Futures Institute, Murdoch University, Harry Perkins Building, Perth, Australia WA6150
| | - Janeth Sanabria
- Australian
National Phenome Centre and Computational and Systems Medicine, Health
Futures Institute, Murdoch University, Harry Perkins Building, Perth, Australia WA6150
- Environmental
Microbiology and Biotechnology Laboratory, Engineering School of Environmental
& Natural Resources, Engineering Faculty, Universidad del Valle—Sede Meléndez, Cali, Colombia 76001
| | - Julien Wist
- Australian
National Phenome Centre and Computational and Systems Medicine, Health
Futures Institute, Murdoch University, Harry Perkins Building, Perth, Australia WA6150
- Chemistry
Department, Universidad del Valle, 76001, Cali, Colombia
| | - Elaine Holmes
- Australian
National Phenome Centre and Computational and Systems Medicine, Health
Futures Institute, Murdoch University, Harry Perkins Building, Perth, Australia WA6150
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Impact Assessment of vB_KpnP_K1-ULIP33 Bacteriophage on the Human Gut Microbiota Using a Dynamic In Vitro Model. Viruses 2023; 15:v15030719. [PMID: 36992428 PMCID: PMC10057081 DOI: 10.3390/v15030719] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 03/02/2023] [Accepted: 03/08/2023] [Indexed: 03/12/2023] Open
Abstract
New control methods are needed to counter antimicrobial resistances and the use of bacteriophages as an alternative treatment seems promising. To that end, the effect of the phage vB_KpnP_K1-ULIP33, whose host is the hypervirulent Klebsiella pneumoniae SA12 (ST23 and capsular type K1), was assessed on intestinal microbiota, using an in vitro model: the SHIME® system (Simulator of the Human Intestinal Microbial Ecosystem). After stabilization of the system, the phage was inoculated for 7 days and its persistence in the different colons was studied until its disappearance from the system. The concentration of short chain fatty acids in the colons showed good colonization of the bioreactors by the microbiota and no significant effect related to the phage treatment. Diversity (α and β), the relative abundance of bacteria, and qPCR analysis targeting different genera of interest showed no significant variation following phage administration. Even if further in vitro studies are needed to assess the efficacy of this phage against its bacterial host within the human intestinal ecosystem, the phage ULIP33 exerted no significant change on the global colonic microbiota.
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7
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Biagini F, Daddi C, Calvigioni M, De Maria C, Zhang YS, Ghelardi E, Vozzi G. Designs and methodologies to recreate in vitro human gut microbiota models. Biodes Manuf 2022. [DOI: 10.1007/s42242-022-00210-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
AbstractThe human gut microbiota is widely considered to be a metabolic organ hidden within our bodies, playing a crucial role in the host’s physiology. Several factors affect its composition, so a wide variety of microbes residing in the gut are present in the world population. Individual excessive imbalances in microbial composition are often associated with human disorders and pathologies, and new investigative strategies to gain insight into these pathologies and define pharmaceutical therapies for their treatment are needed. In vitro models of the human gut microbiota are commonly used to study microbial fermentation patterns, community composition, and host-microbe interactions. Bioreactors and microfluidic devices have been designed to culture microorganisms from the human gut microbiota in a dynamic environment in the presence or absence of eukaryotic cells to interact with. In this review, we will describe the overall elements required to create a functioning, reproducible, and accurate in vitro culture of the human gut microbiota. In addition, we will analyze some of the devices currently used to study fermentation processes and relationships between the human gut microbiota and host eukaryotic cells.
Graphic abstract
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8
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Hashem R, Kazemi S, Stommel M, Cheng LK, Xu W. SoRSS: A Soft Robot for Bio-Mimicking Stomach Anatomy and Motility. Soft Robot 2022. [DOI: 10.1089/soro.2021.0202] [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
Affiliation(s)
- Ryman Hashem
- Department of Mechanical and Mechatronics Engineering, The University of Auckland, Auckland, New Zealand
| | - Shahab Kazemi
- Department of Mechanical and Mechatronics Engineering, The University of Auckland, Auckland, New Zealand
- Riddet Institute Centre of Research Excellence (CoRE), Palmerston North, New Zealand
| | - Martin Stommel
- Riddet Institute Centre of Research Excellence (CoRE), Palmerston North, New Zealand
- Department of Electrical and Electronic Engineering, Auckland University of Technology, Auckland, New Zealand
| | - Leo K. Cheng
- Riddet Institute Centre of Research Excellence (CoRE), Palmerston North, New Zealand
- Auckland Bioengineering Institute, The University of Auckland, Auckland, New Zealand
| | - Weiliang Xu
- Department of Mechanical and Mechatronics Engineering, The University of Auckland, Auckland, New Zealand
- Riddet Institute Centre of Research Excellence (CoRE), Palmerston North, New Zealand
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Kessler C, Hou J, Neo O, Buckner MMC. In situ, in vivo, and in vitro approaches for studying AMR plasmid conjugation in the gut microbiome. FEMS Microbiol Rev 2022; 47:6807411. [PMID: 36341518 PMCID: PMC9841969 DOI: 10.1093/femsre/fuac044] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 09/23/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022] Open
Abstract
Antimicrobial resistance (AMR) is a global threat, with evolution and spread of resistance to frontline antibiotics outpacing the development of novel treatments. The spread of AMR is perpetuated by transfer of antimicrobial resistance genes (ARGs) between bacteria, notably those encoded by conjugative plasmids. The human gut microbiome is a known 'melting pot' for plasmid conjugation, with ARG transfer in this environment widely documented. There is a need to better understand the factors affecting the incidence of these transfer events, and to investigate methods of potentially counteracting the spread of ARGs. This review describes the use and potential of three approaches to studying conjugation in the human gut: observation of in situ events in hospitalized patients, modelling of the microbiome in vivo predominantly in rodent models, and the use of in vitro models of various complexities. Each has brought unique insights to our understanding of conjugation in the gut. The use and development of these systems, and combinations thereof, will be pivotal in better understanding the significance, prevalence, and manipulability of horizontal gene transfer in the gut microbiome.
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Affiliation(s)
- Celia Kessler
- Institute of Microbiology and Infection College of Medical and Dental Sciences Biosciences Building University Road West University of Birmingham, B15 2TT, United Kingdom
| | - Jingping Hou
- Institute of Microbiology and Infection College of Medical and Dental Sciences Biosciences Building University Road West University of Birmingham, B15 2TT, United Kingdom
| | - Onalenna Neo
- Institute of Microbiology and Infection College of Medical and Dental Sciences Biosciences Building University Road West University of Birmingham, B15 2TT, United Kingdom
| | - Michelle M C Buckner
- Corresponding author: Biosciences Building, University Road West, University of Birmingham, Birmingham B15 2TT, United Kingdom. Tel: +44 (0)121 415 8758; E-mail:
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Bamigbade GB, Subhash AJ, Kamal-Eldin A, Nyström L, Ayyash M. An Updated Review on Prebiotics: Insights on Potentials of Food Seeds Waste as Source of Potential Prebiotics. Molecules 2022; 27:molecules27185947. [PMID: 36144679 PMCID: PMC9505924 DOI: 10.3390/molecules27185947] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 09/06/2022] [Accepted: 09/08/2022] [Indexed: 01/19/2023] Open
Abstract
Prebiotics are a group of biological nutrients that are capable of being degraded by microflora in the gastrointestinal tract (GIT), primarily Lactobacilli and Bifidobacteria. When prebiotics are ingested, either as a food additive or as a supplement, the colonic microflora degrade them, producing short-chain fatty acids (SCFA), which are simultaneously released in the colon and absorbed into the blood circulatory system. The two major groups of prebiotics that have been extensively studied in relation to human health are fructo-oligosaccharides (FOS) and galactooligosaccharides (GOS). The candidature of a compound to be regarded as a prebiotic is a function of how much of dietary fiber it contains. The seeds of fruits such as date palms have been reported to contain dietary fiber. An increasing awareness of the consumption of fruits and seeds as part of the daily diet, as well as poor storage systems for seeds, have generated an enormous amount of seed waste, which is traditionally discarded in landfills or incinerated. This cultural practice is hazardous to the environment because seed waste is rich in organic compounds that can produce hazardous gases. Therefore, this review discusses the potential use of seed wastes in prebiotic production, consequently reducing the environmental hazards posed by these wastes.
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Affiliation(s)
- Gafar Babatunde Bamigbade
- Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University (UAEU), Al-Ain P.O. Box 15551, United Arab Emirates
| | - Athira Jayasree Subhash
- Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University (UAEU), Al-Ain P.O. Box 15551, United Arab Emirates
| | - Afaf Kamal-Eldin
- Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University (UAEU), Al-Ain P.O. Box 15551, United Arab Emirates
| | - Laura Nyström
- Department of Health Science and Technology, Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
| | - Mutamed Ayyash
- Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University (UAEU), Al-Ain P.O. Box 15551, United Arab Emirates
- Correspondence:
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11
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Differences in bread protein digestibility traced to wheat cultivar traits. J Cereal Sci 2022. [DOI: 10.1016/j.jcs.2022.103533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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12
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Shen Y, Bai X, Zhang Y, Gao Q, Bu X, Xu Y, Guo N. Evaluation of the Potential Probiotic Yeast Characteristics with Anti-MRSA Abilities. Probiotics Antimicrob Proteins 2022; 14:727-740. [PMID: 35484324 DOI: 10.1007/s12602-022-09942-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/11/2022] [Indexed: 10/18/2022]
Abstract
Methicillin-resistant Staphylococcus aureus (MRSA) is a disreputable pathogenic bacterium that has been proven to colonize the intestinal tract. The goal of this study is to find anti-MRSA probiotic yeast from food and evaluate its probiotic characteristics and safety. Finally, 15 strains were isolated from fruit peel with anti-MRSA ability. Using DNA sequence analysis, they were identified as the genus Hanseniaspora (7 strains) and Starmerella (8 strains). Starmerella bacillaris CC-PT4 (CGMCC No. 23573) that was isolated from the grape peel has good auto-aggregation ability and hydrophobicity, and can tolerate 0.3% bile, pH 2, simulated gastric fluid (SGF), and simulated intestinal fluid (SIF). Strikingly, Starmerella bacillaris CC-PT4, like commercial probiotic Saccharomyces boulardii CNCM I-745 (Florastor ®), can adapt to the temperature of the human body (37 ℃). After safety assessment, this strain is sensitive to amphotericin B and cannot produced β-hemolytic activities. Overall, this study provides a new candidate for probiotic yeast with anti-MRSA ability.
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Affiliation(s)
- Yong Shen
- College of Food Science and Engineering, Jilin University, Changchun, 130062, People's Republic of China
| | - Xue Bai
- College of Food Science and Engineering, Jilin University, Changchun, 130062, People's Republic of China
| | - Yan Zhang
- College of Food Science and Engineering, Jilin University, Changchun, 130062, People's Republic of China
| | - Qian Gao
- College of Food Science and Engineering, Jilin University, Changchun, 130062, People's Republic of China
| | - Xiujuan Bu
- College of Food Science and Engineering, Jilin University, Changchun, 130062, People's Republic of China
| | - Ying Xu
- College of Food Science and Engineering, Jilin University, Changchun, 130062, People's Republic of China
| | - Na Guo
- College of Food Science and Engineering, Jilin University, Changchun, 130062, People's Republic of China.
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Hernalsteens S, Huang S, Cong HH, Chen XD. The final fate of food: On the establishment of in vitro colon models. Food Res Int 2021; 150:110743. [PMID: 34865762 DOI: 10.1016/j.foodres.2021.110743] [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: 06/04/2021] [Revised: 09/24/2021] [Accepted: 10/06/2021] [Indexed: 02/07/2023]
Abstract
The search for life/health quality has driven the search for a better understanding of food components on the overall individual health, which turns to be intrinsically related to the digestive system. In vitro digestion models are considered an alternative for the in vivo studies for a variety of practical reasons, but further research is still needed concerning the colon model establishment. An effective in vitro colon model should consider all unit operations and transport phenomena, together with chemical and biochemical reactions, material handling and reactor design. Due to the different techniques and dependence on the donor microbiota, it is difficult to obtain a standard protocol with results reproductible in time and space. Furthermore, the colon model should be fed with a representative substrate, thus what happens in upper digestion tract and absorption prior to colon is also of crucial importance. Essentially, there are two ways to think about how to achieve a good and useful in vitro colon model: a complex biomimetic system that provides results comparable with the in vivo studies or a simple system, that despite the fact it could not give physiologically relevant data, it is sufficient to understand the fate of some specific components.
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Affiliation(s)
- Saartje Hernalsteens
- College of Chemistry, Chemical Engineering and Materials Science - Soochow University, China.
| | | | - Hai Hua Cong
- College of Food Science and Engineering - Dalian Ocean University, China
| | - Xiao Dong Chen
- College of Chemistry, Chemical Engineering and Materials Science - Soochow University, China.
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O'Farrell C, Stamatopoulos K, Simmons M, Batchelor H. In vitro models to evaluate ingestible devices: Present status and current trends. Adv Drug Deliv Rev 2021; 178:113924. [PMID: 34390774 DOI: 10.1016/j.addr.2021.113924] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 08/03/2021] [Accepted: 08/09/2021] [Indexed: 12/14/2022]
Abstract
Orally ingestible medical devices offer significant opportunity in the diagnosis and treatment of gastrointestinal conditions. Their development necessitates the use of models that simulate the gastrointestinal environment on both a macro and micro scale. An evolution in scientific technology has enabled a wide range of in vitro, ex vivo and in vivo models to be developed that replicate the gastrointestinal tract. This review describes the landscape of the existing range of in vitro tools that are available to characterize ingestible devices. Models are presented with details on their benefits and limitations with regards to the evaluation of ingestible devices and examples of their use in the evaluation of such devices is presented where available. The multitude of models available provides a suite of tools that can be used in the evaluation of ingestible devices that should be selected on the functionality of the device and the mechanism of its function.
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Affiliation(s)
- Connor O'Farrell
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Konstantinos Stamatopoulos
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; Biopharmaceutics, Pharmaceutical Development, PDS, MST, RD Platform Technology & Science, GSK, David Jack Centre, Park Road, Ware, Hertfordshire SG12 0DP, UK
| | - Mark Simmons
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Hannah Batchelor
- Strathclyde Institute of Pharmacy and Biomedical Sciences, 161 Cathedral Street, Glasgow G4 0RE, UK.
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15
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Arnal ME, Denis S, Uriot O, Lambert C, Holowacz S, Paul F, Kuylle S, Pereira B, Alric M, Blanquet-Diot S. Impact of oral galenic formulations of Lactobacillus salivarius on probiotic survival and interactions with microbiota in human in vitro gut models. Benef Microbes 2021; 12:75-90. [PMID: 34109893 DOI: 10.3920/bm2020.0187] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Health benefits of probiotics in humans essentially depend on their ability to survive during gastrointestinal (GI) transit and to modulate gut microbiota. To date, there is few data on the impact of galenic formulations of probiotics on these parameters. Even if clinical studies remain the gold standard to evaluate the efficacy of galenic forms, they stay hampered by technical, ethical and cost reasons. As an alternative approach, we used two complementary in vitro models of the human gut, the TNO gastrointestinal (TIM-1) model and the Artificial Colon (ARCOL), to study the effect of three oral formulations of a Lactobacillus salivarius strain (powder, capsule and sustained-release tablet) on its viability and interactions with gut microbiota. In the TIM-1 stomach, no or low numbers of bacteria were respectively released from the capsule and tablet, confirming their gastro-resistance. The capsule was disintegrated in the jejunum on average 76 min after administration while the core of sustained-release tablet was still intact at the end of digestion. Viability in TIM-1 was significantly influenced by the galenic form with survival percentages of 0.003±0.004%, 2.8±0.6% and 17.0±1.8% (n=3) for powder, capsule and tablet, respectively. In the ARCOL, the survival of the strain tended to be higher in the post-treatment phase with the tablet compared to capsule, but gut microbiota composition and activity were not differently modulated by the two formulations. In conclusion, the sustained-release tablet emerged as the formulation that most effectively preserved viability of the tested strain during GI passage. This study highlights the usefulness of in vitro gut models for the pre-screening of probiotic pharmaceutical forms. Their use could also easily be extended to the evaluation of the effects of food matrices and age on probiotic survival and activity during GI transit.
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Affiliation(s)
- M E Arnal
- Université Clermont Auvergne, UMR 454 MEDIS, Microbiologie Environnement Digestif et Santé, 28 place Henri Dunant, 63000 Clermont-Ferrand, France
| | - S Denis
- Université Clermont Auvergne, UMR 454 MEDIS, Microbiologie Environnement Digestif et Santé, 28 place Henri Dunant, 63000 Clermont-Ferrand, France
| | - O Uriot
- Université Clermont Auvergne, UMR 454 MEDIS, Microbiologie Environnement Digestif et Santé, 28 place Henri Dunant, 63000 Clermont-Ferrand, France
| | - C Lambert
- University Hospital Clermont-Ferrand, Biostatistics Units, 58, rue Montalembert, 63000 Clermont-Ferrand, France
| | - S Holowacz
- PiLeJe Industrie, Parc Naturopôle, Les Tiolans 03800 Saint-Bonnet de Rochefort, France
| | - F Paul
- Genibio, Le Pradas, ZI du Couserans, 09190 Lorp-Sentaraille, France
| | - S Kuylle
- Genibio, Le Pradas, ZI du Couserans, 09190 Lorp-Sentaraille, France
| | - B Pereira
- University Hospital Clermont-Ferrand, Biostatistics Units, 58, rue Montalembert, 63000 Clermont-Ferrand, France
| | - M Alric
- Université Clermont Auvergne, UMR 454 MEDIS, Microbiologie Environnement Digestif et Santé, 28 place Henri Dunant, 63000 Clermont-Ferrand, France
| | - S Blanquet-Diot
- Université Clermont Auvergne, UMR 454 MEDIS, Microbiologie Environnement Digestif et Santé, 28 place Henri Dunant, 63000 Clermont-Ferrand, France
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Roupar D, Berni P, Martins JT, Caetano AC, Teixeira JA, Nobre C. Bioengineering approaches to simulate human colon microbiome ecosystem. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.04.035] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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17
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Yoha KS, Nida S, Dutta S, Moses JA, Anandharamakrishnan C. Targeted Delivery of Probiotics: Perspectives on Research and Commercialization. Probiotics Antimicrob Proteins 2021; 14:15-48. [PMID: 33904011 PMCID: PMC8075719 DOI: 10.1007/s12602-021-09791-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/12/2021] [Indexed: 02/07/2023]
Abstract
Considering the significance of the gut microbiota on human health, there has been ever-growing research and commercial interest in various aspects of probiotic functional foods and drugs. A probiotic food requires cautious consideration in terms of strain selection, appropriate process and storage conditions, cell viability and functionality, and effective delivery at the targeted site. To address these challenges, several technologies have been explored and some of them have been adopted for industrial applicability. Encapsulation of probiotics has been recognized as an effective way to stabilize them in their dried form. By conferring a physical barrier to protect them from adverse conditions, the encapsulation approach renders direct benefits on stability, delivery, and functionality. Various techniques have been explored to encapsulate probiotics, but it is noteworthy that the encapsulation method itself influences surface morphology, viability, and survivability of probiotics. This review focuses on the need to encapsulate probiotics, trends in various encapsulation techniques, current research and challenges in targeted delivery, the market status of encapsulated probiotics, and future directions. Specific focus has been given on various in vitro methods that have been explored to better understand their delivery and performance.
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Affiliation(s)
- K S Yoha
- Computational Modeling and Nanoscale Processing Unit, Indian Institute of Food Processing Technology (IIFPT), Ministry of Food Processing Industries, Government of India, 613 005, Thanjavur, Tamil Nadu, India
| | - Sundus Nida
- Computational Modeling and Nanoscale Processing Unit, Indian Institute of Food Processing Technology (IIFPT), Ministry of Food Processing Industries, Government of India, 613 005, Thanjavur, Tamil Nadu, India
| | - Sayantani Dutta
- Computational Modeling and Nanoscale Processing Unit, Indian Institute of Food Processing Technology (IIFPT), Ministry of Food Processing Industries, Government of India, 613 005, Thanjavur, Tamil Nadu, India
| | - J A Moses
- Computational Modeling and Nanoscale Processing Unit, Indian Institute of Food Processing Technology (IIFPT), Ministry of Food Processing Industries, Government of India, 613 005, Thanjavur, Tamil Nadu, India
| | - C Anandharamakrishnan
- Computational Modeling and Nanoscale Processing Unit, Indian Institute of Food Processing Technology (IIFPT), Ministry of Food Processing Industries, Government of India, 613 005, Thanjavur, Tamil Nadu, India.
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Sensoy I. A review on the food digestion in the digestive tract and the used in vitro models. Curr Res Food Sci 2021; 4:308-319. [PMID: 34027433 PMCID: PMC8134715 DOI: 10.1016/j.crfs.2021.04.004] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 04/07/2021] [Accepted: 04/07/2021] [Indexed: 12/17/2022] Open
Abstract
It is crucial to replicate or mimic the human digestive system conditions closely in model systems to have the food digestion-related data as accurate as possible. Thus, the data obtained could contribute to studies like those on the relationship between health and nutrition. This review aims to express the human digestion system's role in food digestion and compare the capability of the models used in simulations, especially the dynamic in vitro models. Activities of the human digestive system governing food digestion and the food matrix's disintegration mechanism in the digestive system were discussed. Dynamic in vitro models and their relevance to the human digestive system were described. Advancements in the last 20 years, as well as limitations of those artificial systems, with prospects, were discussed. Extensive use and improvement on these models will extend our knowledge of the food matrix and digestive system's complex interaction. Thus, it will be possible to design next-generation foods with improved health benefits.
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Affiliation(s)
- Ilkay Sensoy
- Department of Food Engineering, Middle East Technical University, Universiteler Mahallesi, Cankaya, 06800, ANKARA, Turkey
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Verdier C, Denis S, Gasc C, Boucinha L, Uriot O, Delmas D, Dore J, Le Camus C, Schwintner C, Blanquet-Diot S. An Oral FMT Capsule as Efficient as an Enema for Microbiota Reconstruction Following Disruption by Antibiotics, as Assessed in an In Vitro Human Gut Model. Microorganisms 2021; 9:microorganisms9020358. [PMID: 33670255 PMCID: PMC7918368 DOI: 10.3390/microorganisms9020358] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/02/2021] [Accepted: 02/09/2021] [Indexed: 12/12/2022] Open
Abstract
Fecal microbiota transplantation (FMT) is an innovative therapy already used in humans to treat Clostridioides difficile infections associated with massive use of antibiotics. Clinical studies are obviously the gold standard to evaluate FMT efficiency but remain limited by regulatory, ethics, and cost constraints. In the present study, an in vitro model of the human colon reproducing medically relevant perturbation of the colonic ecosystem by antibiotherapy was used to compare the efficiency of traditional FMT enema formulations and a new oral capsule in restoring gut microbiota composition and activity. Loss of microbial diversity, shift in bacterial populations, and sharp decrease in fermentation activities induced in vivo by antibiotherapy were efficiently reproduced in the in vitro model, while capturing inter-individual variability of gut microbiome. Oral capsule was as efficient as enema to decrease the number of disturbed days and bacterial load had no effect on enema performance. This study shows the relevance of human colon models as an alternative approach to in vivo assays during preclinical studies for evaluating FMT efficiency. The potential of this in vitro approach could be extended to FMT testing in the management of many digestive or extra-intestinal pathologies where gut microbial dysbiosis has been evidenced such as inflammatory bowel diseases, obesity or cancers.
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Affiliation(s)
- Cécile Verdier
- UMR 454 MEDIS, Université Clermont Auvergne, INRAe, F-63000 Clermont-Ferrand, France; (C.V.); (S.D.); (O.U.)
- MaaT Pharma, F-69007 Lyon, France; (C.G.); (L.B.); (D.D.); (J.D.); (C.L.C.); (C.S.)
| | - Sylvain Denis
- UMR 454 MEDIS, Université Clermont Auvergne, INRAe, F-63000 Clermont-Ferrand, France; (C.V.); (S.D.); (O.U.)
| | - Cyrielle Gasc
- MaaT Pharma, F-69007 Lyon, France; (C.G.); (L.B.); (D.D.); (J.D.); (C.L.C.); (C.S.)
| | - Lilia Boucinha
- MaaT Pharma, F-69007 Lyon, France; (C.G.); (L.B.); (D.D.); (J.D.); (C.L.C.); (C.S.)
| | - Ophélie Uriot
- UMR 454 MEDIS, Université Clermont Auvergne, INRAe, F-63000 Clermont-Ferrand, France; (C.V.); (S.D.); (O.U.)
| | - Dominique Delmas
- MaaT Pharma, F-69007 Lyon, France; (C.G.); (L.B.); (D.D.); (J.D.); (C.L.C.); (C.S.)
| | - Joël Dore
- MaaT Pharma, F-69007 Lyon, France; (C.G.); (L.B.); (D.D.); (J.D.); (C.L.C.); (C.S.)
- MICALIS and MétaGénoPolis, Université Paris Saclay, INRAe, AgroParisTech, F-78350 Jouy-en-Josas, France
| | - Corentin Le Camus
- MaaT Pharma, F-69007 Lyon, France; (C.G.); (L.B.); (D.D.); (J.D.); (C.L.C.); (C.S.)
| | - Carole Schwintner
- MaaT Pharma, F-69007 Lyon, France; (C.G.); (L.B.); (D.D.); (J.D.); (C.L.C.); (C.S.)
| | - Stéphanie Blanquet-Diot
- UMR 454 MEDIS, Université Clermont Auvergne, INRAe, F-63000 Clermont-Ferrand, France; (C.V.); (S.D.); (O.U.)
- Correspondence:
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20
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Deschamps C, Fournier E, Uriot O, Lajoie F, Verdier C, Comtet-Marre S, Thomas M, Kapel N, Cherbuy C, Alric M, Almeida M, Etienne-Mesmin L, Blanquet-Diot S. Comparative methods for fecal sample storage to preserve gut microbial structure and function in an in vitro model of the human colon. Appl Microbiol Biotechnol 2020; 104:10233-10247. [PMID: 33085024 DOI: 10.1007/s00253-020-10959-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 09/28/2020] [Accepted: 10/12/2020] [Indexed: 12/13/2022]
Abstract
In vitro gut models, such as the mucosal artificial colon (M-ARCOL), provide timely and cost-efficient alternatives to in vivo assays allowing mechanistic studies to better understand the role of human microbiome in health and disease. Using such models inoculated with human fecal samples may require a critical step of stool storage. The effects of preservation methods on microbial structure and function in in vitro gut models have been poorly investigated. This study aimed to assess the impact of three commonly used preserving methods, compared with fresh fecal samples used as a control, on the kinetics of lumen and mucus-associated microbiota colonization in the M-ARCOL model. Feces from two healthy donors were frozen 48 h at - 80 °C with or without cryoprotectant (10% glycerol) or lyophilized with maltodextrin and trehalose prior to inoculation of four parallel bioreactors (e.g., fresh stool, raw stool stored at - 80 °C, stool stored at - 80 °C with glycerol and lyophilized stool). Microbiota composition and diversity (qPCR and 16S metabarcoding) as well as metabolic activity (gases and short chain fatty acids) were monitored throughout the fermentation process (9 days). All the preservative treatments allowed the maintaining inside the M-ARCOL of a complex and functional microbiota, but considering stabilization time of microbial profiles and activities (and not technical constraints associated with the supply of frozen material), our results highlighted 48 h freezing at - 80 °C without cryoprotectant as the most efficient method. These results will help scientists to determine the most accurate method for fecal storage prior to inoculation of in vitro gut microbiome models. KEY POINTS: • In vitro ARCOL model reproduces luminal and mucosal human microbiome. • Short-term storage of fecal sample influences microbial stabilization and activity. • 48 h freezing at - 80°C: most efficient method to preserve microbial ecosystem. • Scientific and technical requirements: influencers of preservation method.
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Affiliation(s)
- Charlotte Deschamps
- Université Clermont Auvergne, INRAe, UMR 454 MEDIS, 28 place Henri Dunant, F-63000, Clermont-Ferrand, France
| | - Elora Fournier
- Université Clermont Auvergne, INRAe, UMR 454 MEDIS, 28 place Henri Dunant, F-63000, Clermont-Ferrand, France
| | - Ophélie Uriot
- Université Clermont Auvergne, INRAe, UMR 454 MEDIS, 28 place Henri Dunant, F-63000, Clermont-Ferrand, France
| | - Frédérique Lajoie
- Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
| | - Cécile Verdier
- Université Clermont Auvergne, INRAe, UMR 454 MEDIS, 28 place Henri Dunant, F-63000, Clermont-Ferrand, France
| | - Sophie Comtet-Marre
- Université Clermont Auvergne, INRAe, UMR 454 MEDIS, 28 place Henri Dunant, F-63000, Clermont-Ferrand, France
| | - Muriel Thomas
- Micalis Institute, INRAe, AgroParisTech, Université Paris-Saclay, 78350, Jouy-en-Josas, France
| | - Nathalie Kapel
- Laboratoire de Coprologie Fonctionnelle, Hôpital Pitié-Salpêtrière, 75013, Paris, France.,INSERM UMR-S1139, Université de Paris, 75006, Paris, France
| | - Claire Cherbuy
- Micalis Institute, INRAe, AgroParisTech, Université Paris-Saclay, 78350, Jouy-en-Josas, France
| | - Monique Alric
- Université Clermont Auvergne, INRAe, UMR 454 MEDIS, 28 place Henri Dunant, F-63000, Clermont-Ferrand, France
| | - Mathieu Almeida
- MetaGénoPolis, INRAe, Université Paris-Saclay, Jouy-en-Josas, France
| | - Lucie Etienne-Mesmin
- Université Clermont Auvergne, INRAe, UMR 454 MEDIS, 28 place Henri Dunant, F-63000, Clermont-Ferrand, France
| | - Stéphanie Blanquet-Diot
- Université Clermont Auvergne, INRAe, UMR 454 MEDIS, 28 place Henri Dunant, F-63000, Clermont-Ferrand, France.
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Zhang G, Sun M, Jiang S, Wang L, Tan Y, Wang L, Cheng Z. Investigating a Modified Apparatus to Discriminate the Dissolution Capacity In Vitro and Establish an IVIVC of Mycophenolate Mofetil Tablets in the Fed State. J Pharm Sci 2020; 110:1240-1247. [PMID: 33096138 DOI: 10.1016/j.xphs.2020.10.028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 10/15/2020] [Accepted: 10/16/2020] [Indexed: 11/30/2022]
Abstract
In this study, a modified dissolution apparatus was developed by equipping a USP apparatus Ⅰ with an open-loop system to discriminate the dissolution capacity in vitro and establish an in vitro and in vivo correlation (IVIVC) for mycophenolate mofetil (MMF) tablets. MMF had strong pH-dependent solubility that could influence the dissolution rate in vivo after the meal. Dissolution tests involving reference (Cellcept®) and test formulations (F1 and F2) were conducted using pH 4.5 acetate buffer to simulate gastric fluids in the fed state. The dissolution profiles of the reference and test formulations were distinguished by using the modified dissolution apparatus and compared with those determined using the USP apparatuses Ⅱ and Ⅳ, and the dissolution capacities of the formulations were discriminated at different sampling time-points. The results of human bioequivalence (BE) studies in the fed state were consistent with in vitro evaluations that the maximum concentrations (Cmax,in vivo) of both F1 and F2 fell below the acceptable range (80.00%). A level A IVIVC between the absorption fraction in vivo and dissolution in vitro, and a level C correlation between Cmax,in vivo and Cmax,in vitro, were established to guide the optimization of the tablet formulation containing MMF.
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Affiliation(s)
- Guoqing Zhang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China
| | - Ming Sun
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China
| | - Shan Jiang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China
| | - Lei Wang
- Hangzhou Zhongmei Huadong Pharmaceutical Co., Ltd, Hangzhou, Zhejiang 310000, China
| | - Yuexiang Tan
- Hunan Huize Bio-pharmaceutical Co., Ltd, Changsha, Hunan 410000, China
| | - Lei Wang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China.
| | - Zeneng Cheng
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China.
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22
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Roussel C, De Paepe K, Galia W, De Bodt J, Chalancon S, Leriche F, Ballet N, Denis S, Alric M, Van de Wiele T, Blanquet-Diot S. Spatial and temporal modulation of enterotoxigenic E. coli H10407 pathogenesis and interplay with microbiota in human gut models. BMC Biol 2020; 18:141. [PMID: 33054775 PMCID: PMC7559199 DOI: 10.1186/s12915-020-00860-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 08/31/2020] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Enterotoxigenic Escherichia coli (ETEC) substantially contributes to the burden of diarrheal illnesses in developing countries. With the use of complementary in vitro models of the human digestive environment, TNO gastrointestinal model (TIM-1), and Mucosal Simulator of the Human Intestinal Microbial Ecosystem (M-SHIME), we provided the first detailed report on the spatial-temporal modulation of ETEC H10407 survival, virulence, and its interplay with gut microbiota. These systems integrate the main physicochemical parameters of the human upper digestion (TIM-1) and simulate the ileum vs ascending colon microbial communities and luminal vs mucosal microenvironments, captured from six fecal donors (M-SHIME). RESULTS A loss of ETEC viability was noticed upon gastric digestion, while a growth renewal was found at the end of jejunal and ileal digestion. The remarkable ETEC mucosal attachment helped to maintain luminal concentrations above 6 log10 mL-1 in the ileum and ascending colon up to 5 days post-infection. Seven ETEC virulence genes were monitored. Most of them were switched on in the stomach and switched off in the TIM-1 ileal effluents and in a late post-infectious stage in the M-SHIME ascending colon. No heat-labile enterotoxin production was measured in the stomach in contrast to the ileum and ascending colon. Using 16S rRNA gene-based amplicon sequencing, ETEC infection modulated the microbial community structure of the ileum mucus and ascending colon lumen. CONCLUSIONS This study provides a better understanding of the interplay between ETEC and gastrointestinal cues and may serve to complete knowledge on ETEC pathogenesis and inspire novel prophylactic strategies for diarrheal diseases.
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Affiliation(s)
- Charlène Roussel
- Université Clermont Auvergne, UMR UCA-INRA 454 MEDIS, Microbiology Digestive Environment and Health, Clermont-Ferrand, France.,CMET, Center for Microbial Ecology and Technology, Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Kim De Paepe
- CMET, Center for Microbial Ecology and Technology, Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Wessam Galia
- UMR 5557 Microbial Ecology, Research Group on Bacterial Opportunistic Pathogens and Environment, CNRS, VetAgro Sup, Lyon, France
| | - Jana De Bodt
- CMET, Center for Microbial Ecology and Technology, Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Sandrine Chalancon
- Université Clermont Auvergne, UMR UCA-INRA 454 MEDIS, Microbiology Digestive Environment and Health, Clermont-Ferrand, France
| | | | - Nathalie Ballet
- Lesaffre International, Lesaffre Group, Marcq-en-Baroeul, France
| | - Sylvain Denis
- Université Clermont Auvergne, UMR UCA-INRA 454 MEDIS, Microbiology Digestive Environment and Health, Clermont-Ferrand, France
| | - Monique Alric
- Université Clermont Auvergne, UMR UCA-INRA 454 MEDIS, Microbiology Digestive Environment and Health, Clermont-Ferrand, France
| | - Tom Van de Wiele
- CMET, Center for Microbial Ecology and Technology, Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium.
| | - Stéphanie Blanquet-Diot
- Université Clermont Auvergne, UMR UCA-INRA 454 MEDIS, Microbiology Digestive Environment and Health, Clermont-Ferrand, France.
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23
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Wu P, Chen XD. On designing biomimic in vitro human and animal digestion track models: ideas, current and future devices. Curr Opin Food Sci 2020. [DOI: 10.1016/j.cofs.2019.12.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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24
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Liu W, Kong Y, Ye A, Shen P, Dong L, Xu X, Hou Y, Wang Y, Jin Y, Han J. Preparation, formation mechanism and in vitro dynamic digestion behavior of quercetin-loaded liposomes in hydrogels. Food Hydrocoll 2020. [DOI: 10.1016/j.foodhyd.2020.105743] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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25
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Dang Y, Liu Y, Hashem R, Bhattacharya D, Allen J, Stommel M, Cheng LK, Xu W. SoGut: A Soft Robotic Gastric Simulator. Soft Robot 2020; 8:273-283. [PMID: 32559391 DOI: 10.1089/soro.2019.0136] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The human stomach breaks down and transports food by coordinated radial contractions of the gastric walls. The radial contractions periodically propagate through the stomach and constitute the peristaltic contractions, also called the gastric motility. The force, amplitude, and frequency of peristaltic contractions are relevant to massaging and transporting the food contents in the gastric lumen. However, existing gastric simulators have not faithfully replicated gastric motility. Herein, we report a soft robotic gastric simulator (SoGut) that emulates peristaltic contractions in an anatomically realistic way. SoGut incorporates an array of circular air chambers that generate radial contractions. The design and fabrication of SoGut leverages principles from the soft robotics field, which features compliance and adaptability. We studied the force and amplitude of the contractions when the lumen of SoGut was empty or filled with contents of different viscosity. We examined the contracting force using manometry. SoGut exhibited a similar range of contracting force as the human stomach reported in the literature. Besides, we investigated the amplitude of the contractions through videofluoroscopy where the contraction ratio was derived. The contraction ratio as a function of inflation pressure is found to match the observations of in vivo situations. We demonstrated that SoGut can achieve in vitro peristaltic contractions by coordinating the inflation sequence of multiple air chambers. It exhibited the functions to massage and transport the food contents. SoGut can simulate the physiological motions of the human stomach to advance research of digestion.
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Affiliation(s)
- Yu Dang
- Department of Mechanical Engineering, The University of Auckland, Auckland, New Zealand.,The Medical Technologies Centre of Research Excellence, Auckland, New Zealand
| | - Yuanxiang Liu
- Department of Mechanical Engineering, The University of Auckland, Auckland, New Zealand.,School of Mechanical and Electrical Technology, Wuxi Vocational Institute of Commerce, Jiangsu, China
| | - Ryman Hashem
- Department of Mechanical Engineering, The University of Auckland, Auckland, New Zealand.,The Medical Technologies Centre of Research Excellence, Auckland, New Zealand
| | - Dipankar Bhattacharya
- Department of Mechanical Engineering, The University of Auckland, Auckland, New Zealand.,The Riddet Institute, Palmerston North, New Zealand
| | - Jacqueline Allen
- Department of Surgery, The University of Auckland, Auckland, New Zealand
| | - Martin Stommel
- The Medical Technologies Centre of Research Excellence, Auckland, New Zealand.,Department of Electrical and Electronic Engineering, Auckland University of Technology, Auckland, New Zealand
| | - Leo K Cheng
- The Medical Technologies Centre of Research Excellence, Auckland, New Zealand.,The Riddet Institute, Palmerston North, New Zealand.,Auckland Bioengineering Institute, The University of Auckland, Auckland, New Zealand
| | - Weiliang Xu
- Department of Mechanical Engineering, The University of Auckland, Auckland, New Zealand.,The Medical Technologies Centre of Research Excellence, Auckland, New Zealand.,The Riddet Institute, Palmerston North, New Zealand
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26
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Rouanet A, Bolca S, Bru A, Claes I, Cvejic H, Girgis H, Harper A, Lavergne SN, Mathys S, Pane M, Pot B, Shortt C, Alkema W, Bezulowsky C, Blanquet-Diot S, Chassard C, Claus SP, Hadida B, Hemmingsen C, Jeune C, Lindman B, Midzi G, Mogna L, Movitz C, Nasir N, Oberreither M, Seegers JFML, Sterkman L, Valo A, Vieville F, Cordaillat-Simmons M. Live Biotherapeutic Products, A Road Map for Safety Assessment. Front Med (Lausanne) 2020; 7:237. [PMID: 32637416 PMCID: PMC7319051 DOI: 10.3389/fmed.2020.00237] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 05/06/2020] [Indexed: 12/19/2022] Open
Abstract
Recent developments in the understanding of the relationship between the microbiota and its host have provided evidence regarding the therapeutic potential of selected microorganisms to prevent or treat disease. According to Directive 2001/83/EC, in the European Union (EU), any product intended to prevent or treat disease is defined as a medicinal product and requires a marketing authorization by competent authorities prior to commercialization. Even if the pharmaceutical regulatory framework is harmonized at the EU level, obtaining marketing authorisations for medicinal products remains very challenging for Live Biotherapeutic Products (LBPs). Compared to other medicinal products currently on the market, safety assessment of LBPs represents a real challenge because of their specific characteristics and mode of action. Indeed, LBPs are not intended to reach the systemic circulation targeting distant organs, tissues, or receptors, but rather exert their effect through direct interactions with the complex native microbiota and/or the modulation of complex host-microbiota relation, indirectly leading to distant biological effects within the host. Hence, developers must rely on a thorough risk analysis, and pharmaceutical guidelines for other biological products should be taken into account in order to design relevant non-clinical and clinical development programmes. Here we aim at providing a roadmap for a risk analysis that takes into account the specificities of LBPs. We describe the different risks associated with these products and their interactions with the patient. Then, from that risk assessment, we propose solutions to design non-clinical programmes and First in Human (FIH) early clinical trials appropriate to assess LBP safety.
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Affiliation(s)
- Alice Rouanet
- Pharmabiotic Research Institute - PRI, Narbonne, France
| | | | | | | | - Helene Cvejic
- Accelsiors CRO, Budapest, Hungary
- Department of Pharmacy, Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia
| | | | - Ashton Harper
- Medical Affairs Department, ADM Protexin Ltd., Somerset, United Kingdom
| | | | | | | | - Bruno Pot
- Science Department, Yakult Europe BV, Almere, Netherlands
- Research Group of Industrial Microbiology and Food Biotechnology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Colette Shortt
- Johnson & Johnson Consumer Services EAME Ltd., Foundation Park, Maidenhead, United Kingdom
| | | | | | | | | | | | | | | | | | | | - Garikai Midzi
- Medical Affairs Department, ADM Protexin Ltd., Somerset, United Kingdom
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27
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Venema K, Verhoeven J, Verbruggen S, Espinosa L, Courau S. Probiotic survival during a multi-layered tablet development as tested in a dynamic, computer-controlled in vitro model of the stomach and small intestine (TIM-1). Lett Appl Microbiol 2019; 69:325-332. [PMID: 31454425 PMCID: PMC6856813 DOI: 10.1111/lam.13211] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 08/08/2019] [Accepted: 08/09/2019] [Indexed: 01/03/2023]
Abstract
The aim of the research was to develop a galenical formulation for the combination of the three probiotic strains Lactobacillus gasseri PA 16/8, Bifidobacterium longum SP 07/3 and Bifidobacterium bifidum MF 20/5 that would lead to the presence of a high amount of viable cells in the small intestine, the presumed site of action of these strains. This was tested in a validated, dynamic in vitro model of the stomach and small intestine (TIM‐1), simulating human adults after intake of a meal. Experiments were performed both in the gastric compartment of the model, as well as in the complete system (stomach + small intestine). Survival of the strains in an unformulated probiotic powder after transit through the gastric compartment was 5·3% for the bifidobacteria and 1% for L. gasseri. After transit through the complete gastrointestinal tract, this dropped to 2% for bifidobacteria and 0·1% for Lactobacillus. After several rounds of optimization, an enteric‐coated tablet was developed that increased the delivery of viable cells reaching the small intestine to 72% (gastric survival) for bifidobacteria, and 53% (gastric) for L. gasseri. Also survival in the small intestine increased by about an order of magnitude. The final galenical formulation was tested in two applications: adults and elderly, both of which have their own physiological parameters. These experiments corroborated the results obtained in the development phase of the project. In conclusion, the developed enteric coating led to a 20‐ to 40‐fold increase in the delivery of viable cells to the small intestine. Significance and Impact of the Study Predictive GI in vitro models are very helpful and reliable tools for the development of new galenical formula containing probiotics, and in the current example helped to deliver >10‐fold higher numbers of viable cells to the small intestine, presumably leading to improved functionality of the strains.
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Affiliation(s)
- K Venema
- Department of Human Biology, Centre for Healthy Eating & Food Innovation (HEFI), School of Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, Maastricht, the Netherlands
| | - J Verhoeven
- Department of Human Biology, Centre for Healthy Eating & Food Innovation (HEFI), School of Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, Maastricht, the Netherlands
| | - S Verbruggen
- Department of Human Biology, Centre for Healthy Eating & Food Innovation (HEFI), School of Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, Maastricht, the Netherlands
| | - L Espinosa
- Merck Selbsmedikation GmbH, Darmstadt, Germany
| | - S Courau
- Merck Selbsmedikation GmbH, Darmstadt, Germany
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28
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Toward an accessible and robust in vitro approach to evaluate bacterial viability in the upper gastro-intestinal tract: A Gastro-Intestinal Digestive Simulator (GIDS) combined with alternative methods to plating. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.05.026] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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29
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Etienne-Mesmin L, Chassaing B, Desvaux M, De Paepe K, Gresse R, Sauvaitre T, Forano E, de Wiele TV, Schüller S, Juge N, Blanquet-Diot S. Experimental models to study intestinal microbes–mucus interactions in health and disease. FEMS Microbiol Rev 2019; 43:457-489. [DOI: 10.1093/femsre/fuz013] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 05/31/2019] [Indexed: 02/06/2023] Open
Abstract
ABSTRACT
A close symbiotic relationship exists between the intestinal microbiota and its host. A critical component of gut homeostasis is the presence of a mucus layer covering the gastrointestinal tract. Mucus is a viscoelastic gel at the interface between the luminal content and the host tissue that provides a habitat to the gut microbiota and protects the intestinal epithelium. The review starts by setting up the biological context underpinning the need for experimental models to study gut bacteria-mucus interactions in the digestive environment. We provide an overview of the structure and function of intestinal mucus and mucins, their interactions with intestinal bacteria (including commensal, probiotics and pathogenic microorganisms) and their role in modulating health and disease states. We then describe the characteristics and potentials of experimental models currently available to study the mechanisms underpinning the interaction of mucus with gut microbes, including in vitro, ex vivo and in vivo models. We then discuss the limitations and challenges facing this field of research.
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Affiliation(s)
- Lucie Etienne-Mesmin
- Université Clermont Auvergne, INRA, MEDIS, 28 Place Henri Dunant, 63000 Clermont-Ferrand, France
| | - Benoit Chassaing
- Neuroscience Institute, Georgia State University, 100 Piedmont Ave SE, Atlanta, GA 30303 , USA
- Institute for Biomedical Sciences, Georgia State University, 100 Piedmont Ave, Atlanta, GA 30303 , USA
| | - Mickaël Desvaux
- Université Clermont Auvergne, INRA, MEDIS, 28 Place Henri Dunant, 63000 Clermont-Ferrand, France
| | - Kim De Paepe
- Center for Microbial Ecology and Technology (CMET), Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
| | - Raphaële Gresse
- Université Clermont Auvergne, INRA, MEDIS, 28 Place Henri Dunant, 63000 Clermont-Ferrand, France
| | - Thomas Sauvaitre
- Université Clermont Auvergne, INRA, MEDIS, 28 Place Henri Dunant, 63000 Clermont-Ferrand, France
| | - Evelyne Forano
- Université Clermont Auvergne, INRA, MEDIS, 28 Place Henri Dunant, 63000 Clermont-Ferrand, France
| | - Tom Van de Wiele
- Center for Microbial Ecology and Technology (CMET), Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
| | - Stephanie Schüller
- Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, United Kingdom
- Quadram Institute Bioscience, Norwich Research Park, Norwich NR7UQ, United Kingdom
| | - Nathalie Juge
- Quadram Institute Bioscience, Norwich Research Park, Norwich NR7UQ, United Kingdom
| | - Stéphanie Blanquet-Diot
- Université Clermont Auvergne, INRA, MEDIS, 28 Place Henri Dunant, 63000 Clermont-Ferrand, France
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30
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Swieca M, Kordowska-Wiater M, Pytka M, Gawlik-Dziki U, Seczyk L, Złotek U, Kapusta I. Nutritional and pro-health quality of lentil and adzuki bean sprouts enriched with probiotic yeast Saccharomyces cerevisiae var. boulardii. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2018.10.081] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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31
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Dupont D, Alric M, Blanquet-Diot S, Bornhorst G, Cueva C, Deglaire A, Denis S, Ferrua M, Havenaar R, Lelieveld J, Mackie AR, Marzorati M, Menard O, Minekus M, Miralles B, Recio I, Van den Abbeele P. Can dynamicin vitrodigestion systems mimic the physiological reality? Crit Rev Food Sci Nutr 2018; 59:1546-1562. [DOI: 10.1080/10408398.2017.1421900] [Citation(s) in RCA: 98] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- D. Dupont
- INRA Agrocampus Ouest, STLO, Rennes, France
| | - M. Alric
- Université Clermont Auvergne, Clermont-Ferrand, France
| | | | | | - C. Cueva
- CSIC Universidad Autonoma de Madrid, CIAL, Madrid, Spain
| | | | - S. Denis
- Université Clermont Auvergne, Clermont-Ferrand, France
| | - M. Ferrua
- Fonterra, Palmerston North, New Zealand
| | | | | | | | | | - O. Menard
- INRA Agrocampus Ouest, STLO, Rennes, France
| | | | - B. Miralles
- CSIC Universidad Autonoma de Madrid, CIAL, Madrid, Spain
| | - I. Recio
- CSIC Universidad Autonoma de Madrid, CIAL, Madrid, Spain
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32
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Streptococcus thermophilus: From yogurt starter to a new promising probiotic candidate? J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.07.038] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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33
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Deng J, Staufenbiel S, Hao S, Wang B, Dashevskiy A, Bodmeier R. Development of a discriminative biphasic in vitro dissolution test and correlation with in vivo pharmacokinetic studies for differently formulated racecadotril granules. J Control Release 2017; 255:202-209. [DOI: 10.1016/j.jconrel.2017.04.034] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Revised: 04/20/2017] [Accepted: 04/24/2017] [Indexed: 11/25/2022]
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34
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Impact of multi-functional fermented goat milk beverage on gut microbiota in a dynamic colon model. Food Res Int 2017; 99:315-327. [PMID: 28784489 DOI: 10.1016/j.foodres.2017.05.028] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Revised: 05/26/2017] [Accepted: 05/27/2017] [Indexed: 01/05/2023]
Abstract
The aim of this research was to evaluate the effect of grape probiotic fermented beverages made of goat milk, with or without added grape pomace on gut microbiota in a Simulator of Human Intestinal Microbial Ecosystem (SHIME®). SHIME® model was used to investigate to assess changes in microbial composition and fermentation metabolites (short- and branched-chain fatty acids and ammonium), as well as under the antioxidant capacity. The results demonstrated that the beverages formulated, with or without grape pomace extract, exhibited high dietary fiber, oleic acid, phenolic compounds content and antioxidant activity. Both beverages also kept L. rhamnosus and S. thermophilus viable during their passage through the intestinal tract and had a positive effect on gut microbiota metabolism, increasing the antioxidant capacity and the production of short-chain fatty acids, and decreasing the ammonium concentration. Therefore, the multifunctional beverages formulated in this study can offer a new perspective for the production of foods with positive potential effects on human health.
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35
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Fleury MA, Le Goff O, Denis S, Chaucheyras-Durand F, Jouy E, Kempf I, Alric M, Blanquet-Diot S. Development and validation of a new dynamic in vitro model of the piglet colon (PigutIVM): application to the study of probiotics. Appl Microbiol Biotechnol 2017; 101:2533-2547. [DOI: 10.1007/s00253-017-8122-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 01/05/2017] [Accepted: 01/10/2017] [Indexed: 12/31/2022]
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36
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Roussel C, Sivignon A, de Wiele TV, Blanquet-Diot S. Foodborne enterotoxigenic Escherichia coli: from gut pathogenesis to new preventive strategies involving probiotics. Future Microbiol 2016; 12:73-93. [PMID: 27983878 DOI: 10.2217/fmb-2016-0101] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Enterotoxigenic Escherichia coli (ETEC) are a major cause of traveler's diarrhea and infant mortality in developing countries. Given the rise of antibiotic resistance worldwide, there is an urgent need for the development of new preventive strategies. Among them, a promising approach is the use of probiotics. Although many studies, mostly performed under piglet digestive conditions, have shown the beneficial effects of probiotics on ETEC by interfering with their survival, virulence or adhesion to mucosa, underlying mechanisms remain unclear. This review describes ETEC pathogenesis, its modulation by human gastrointestinal cues as well as novel preventive strategies with a particular emphasis on probiotics. The potential of in vitro models simulating human digestion in elucidating probiotic mode of action will be discussed.
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Affiliation(s)
- Charlène Roussel
- Clermont Université, Université d'Auvergne, Centre de Recherche en Nutrition Humaine Auvergne, EA 4678 CIDAM, Conception Ingénierie et Développement de l'Aliment et du Médicament, 63000 Clermont-Ferrand, France.,Cmet, Center for Microbial Ecology & Technology, Ghent University, 9000 Ghent, Belgium
| | - Adeline Sivignon
- Clermont Université, UMR 1071 INSERM/Université d'Auvergne, Clermont-Ferrand, France INRA, Unité Sous Contrat 2018, Clermont-Ferrand, France
| | - Tom Van de Wiele
- Cmet, Center for Microbial Ecology & Technology, Ghent University, 9000 Ghent, Belgium
| | - Stéphanie Blanquet-Diot
- Clermont Université, Université d'Auvergne, Centre de Recherche en Nutrition Humaine Auvergne, EA 4678 CIDAM, Conception Ingénierie et Développement de l'Aliment et du Médicament, 63000 Clermont-Ferrand, France
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37
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Cordonnier C, Thévenot J, Etienne-Mesmin L, Alric M, Livrelli V, Blanquet-Diot S. Probiotic and enterohemorrhagic Escherichia coli: An effective strategy against a deadly enemy? Crit Rev Microbiol 2016; 43:116-132. [PMID: 27798976 DOI: 10.1080/1040841x.2016.1185602] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Enterohemorrhagic Escherichia coli (EHEC) are major food-borne pathogens that constitute a serious public health threat. Currently, there is no specific treatment available for EHEC infections in human creating an urgent need for the development of alternative therapeutic strategies. Among them, one of the most promising approaches is the use of probiotic microorganisms. Even if many studies have shown the antagonistic effects of probiotic bacteria or yeast on EHEC survival, virulence, adhesion on intestinal epithelium or pathogen-induced inflammatory responses, mechanisms mediating their beneficial effects remain unclear. This review describes EHEC pathogenesis and novel therapeutic strategies, with a particular emphasis on probiotics. The interests and limits of a probiotic-based approach and the way it might be incorporated into global health strategies against EHEC infections will be discussed.
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Affiliation(s)
- Charlotte Cordonnier
- a EA 4678 CIDAM, "Conception, Ingénierie et Développement de l'Aliment et du Médicament", Centre de Recherche en Nutrition Humaine Auvergne , Université d'Auvergne , Clermont-Ferrand , France.,b M2iSH, "Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte" , UMR Inserm/Université d'Auvergne U1071, USC-INRA 2018, Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne , Clermont-Ferrand , France
| | - Jonathan Thévenot
- a EA 4678 CIDAM, "Conception, Ingénierie et Développement de l'Aliment et du Médicament", Centre de Recherche en Nutrition Humaine Auvergne , Université d'Auvergne , Clermont-Ferrand , France.,b M2iSH, "Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte" , UMR Inserm/Université d'Auvergne U1071, USC-INRA 2018, Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne , Clermont-Ferrand , France
| | - Lucie Etienne-Mesmin
- a EA 4678 CIDAM, "Conception, Ingénierie et Développement de l'Aliment et du Médicament", Centre de Recherche en Nutrition Humaine Auvergne , Université d'Auvergne , Clermont-Ferrand , France.,b M2iSH, "Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte" , UMR Inserm/Université d'Auvergne U1071, USC-INRA 2018, Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne , Clermont-Ferrand , France
| | - Monique Alric
- a EA 4678 CIDAM, "Conception, Ingénierie et Développement de l'Aliment et du Médicament", Centre de Recherche en Nutrition Humaine Auvergne , Université d'Auvergne , Clermont-Ferrand , France
| | - Valérie Livrelli
- b M2iSH, "Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte" , UMR Inserm/Université d'Auvergne U1071, USC-INRA 2018, Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne , Clermont-Ferrand , France.,c Service de Bactériologie , CHU Clermont-Ferrand , Clermont-Ferrand , France
| | - Stéphanie Blanquet-Diot
- a EA 4678 CIDAM, "Conception, Ingénierie et Développement de l'Aliment et du Médicament", Centre de Recherche en Nutrition Humaine Auvergne , Université d'Auvergne , Clermont-Ferrand , France
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38
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Uriot O, Galia W, Awussi AA, Perrin C, Denis S, Chalancon S, Lorson E, Poirson C, Junjua M, Le Roux Y, Alric M, Dary A, Blanquet-Diot S, Roussel Y. Use of the dynamic gastro-intestinal model TIM to explore the survival of the yogurt bacterium Streptococcus thermophilus and the metabolic activities induced in the simulated human gut. Food Microbiol 2016; 53:18-29. [DOI: 10.1016/j.fm.2015.05.007] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2014] [Revised: 02/28/2015] [Accepted: 05/21/2015] [Indexed: 01/21/2023]
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39
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Denis S, Sayd T, Georges A, Chambon C, Chalancon S, Santé-Lhoutellier V, Blanquet-Diot S. Digestion of cooked meat proteins is slightly affected by age as assessed using the dynamic gastrointestinal TIM model and mass spectrometry. Food Funct 2016; 7:2682-91. [DOI: 10.1039/c6fo00120c] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The main goal of the present study was to compare the degradation of meat proteins in adult and elderly digestive conditions.
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Affiliation(s)
- S. Denis
- EA 4678 Conception
- Ingénierie et Développement de l'Aliment et du Médicament Université d'Auvergne
- Centre de Recherche en Nutrition Humaine Auvergne
- F-63000 Clermont-Ferrand
- France
| | - T. Sayd
- INRA
- UR370 Qualité des Produits Animaux
- F-63122 Saint Genès Champanelle
- France
| | - A. Georges
- EA 4678 Conception
- Ingénierie et Développement de l'Aliment et du Médicament Université d'Auvergne
- Centre de Recherche en Nutrition Humaine Auvergne
- F-63000 Clermont-Ferrand
- France
| | - C. Chambon
- INRA
- UR370 Qualité des Produits Animaux
- F-63122 Saint Genès Champanelle
- France
| | - S. Chalancon
- EA 4678 Conception
- Ingénierie et Développement de l'Aliment et du Médicament Université d'Auvergne
- Centre de Recherche en Nutrition Humaine Auvergne
- F-63000 Clermont-Ferrand
- France
| | | | - S. Blanquet-Diot
- EA 4678 Conception
- Ingénierie et Développement de l'Aliment et du Médicament Université d'Auvergne
- Centre de Recherche en Nutrition Humaine Auvergne
- F-63000 Clermont-Ferrand
- France
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40
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Cordonnier C, Thévenot J, Etienne-Mesmin L, Denis S, Alric M, Livrelli V, Blanquet-Diot S. Dynamic In Vitro Models of the Human Gastrointestinal Tract as Relevant Tools to Assess the Survival of Probiotic Strains and Their Interactions with Gut Microbiota. Microorganisms 2015; 3:725-45. [PMID: 27682114 PMCID: PMC5023271 DOI: 10.3390/microorganisms3040725] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 06/08/2015] [Accepted: 09/11/2015] [Indexed: 02/07/2023] Open
Abstract
The beneficial effects of probiotics are conditioned by their survival during passage through the human gastrointestinal tract and their ability to favorably influence gut microbiota. The main objective of this study was to use dynamic in vitro models of the human digestive tract to investigate the effect of fasted or fed state on the survival kinetics of the new probiotic Saccharomyces cerevisiae strain CNCM I-3856 and to assess its influence on intestinal microbiota composition and activity. The probiotic yeast showed a high survival rate in the upper gastrointestinal tract whatever the route of admistration, i.e., within a glass of water or a Western-type meal. S. cerevisiae CNCM I-3856 was more sensitive to colonic conditions, as the strain was not able to colonize within the bioreactor despite a twice daily administration. The main bacterial populations of the gut microbiota, as well as the production of short chain fatty acids were not influenced by the probiotic treatment. However, the effect of the probiotic on the gut microbiota was found to be individual dependent. This study shows that dynamic in vitro models can be advantageously used to provide useful insight into the behavior of probiotic strains in the human digestive environment.
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Affiliation(s)
- Charlotte Cordonnier
- Accueil Conception, Ingénierie et Développement de l'Aliment et du Médicament (EA 4678 CIDAM), Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, Centre Biomédical de Recherche et de Valorisation (CBRV) 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
- Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte (M2iSH), Unité Mixte de Recherche Institut National de la Santé Et de la Recherche Médicale (UMR INSERM) / Université d'Auvergne U1071 Unité Sous Contrat - Institut National de Recherche Agronomique (USC-INRA) 2018, Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, CBRV 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Jonathan Thévenot
- Accueil Conception, Ingénierie et Développement de l'Aliment et du Médicament (EA 4678 CIDAM), Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, Centre Biomédical de Recherche et de Valorisation (CBRV) 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
- Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte (M2iSH), Unité Mixte de Recherche Institut National de la Santé Et de la Recherche Médicale (UMR INSERM) / Université d'Auvergne U1071 Unité Sous Contrat - Institut National de Recherche Agronomique (USC-INRA) 2018, Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, CBRV 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Lucie Etienne-Mesmin
- Accueil Conception, Ingénierie et Développement de l'Aliment et du Médicament (EA 4678 CIDAM), Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, Centre Biomédical de Recherche et de Valorisation (CBRV) 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
- Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte (M2iSH), Unité Mixte de Recherche Institut National de la Santé Et de la Recherche Médicale (UMR INSERM) / Université d'Auvergne U1071 Unité Sous Contrat - Institut National de Recherche Agronomique (USC-INRA) 2018, Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, CBRV 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Sylvain Denis
- Accueil Conception, Ingénierie et Développement de l'Aliment et du Médicament (EA 4678 CIDAM), Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, Centre Biomédical de Recherche et de Valorisation (CBRV) 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Monique Alric
- Accueil Conception, Ingénierie et Développement de l'Aliment et du Médicament (EA 4678 CIDAM), Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, Centre Biomédical de Recherche et de Valorisation (CBRV) 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Valérie Livrelli
- Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte (M2iSH), Unité Mixte de Recherche Institut National de la Santé Et de la Recherche Médicale (UMR INSERM) / Université d'Auvergne U1071 Unité Sous Contrat - Institut National de Recherche Agronomique (USC-INRA) 2018, Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, CBRV 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
- Service de Bactériologie, Centre Hospitalier Universitaire (CHU), Clermont-Ferrand, 58 rue Montalembert, 63000 Clermont-Ferrand, France.
| | - Stéphanie Blanquet-Diot
- Accueil Conception, Ingénierie et Développement de l'Aliment et du Médicament (EA 4678 CIDAM), Centre de Recherche en Nutrition Humaine Auvergne, Université d'Auvergne, Centre Biomédical de Recherche et de Valorisation (CBRV) 28 place Henri Dunant, 63000 Clermont-Ferrand, France.
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Villemejane C, Wahl R, Aymard P, Denis S, Michon C. In vitro digestion of short-dough biscuits enriched in proteins and/or fibres, using a multi-compartmental and dynamic system (1): Viscosity measurement and prediction. Food Chem 2015; 182:55-63. [DOI: 10.1016/j.foodchem.2015.02.125] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 01/30/2015] [Accepted: 02/24/2015] [Indexed: 10/23/2022]
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42
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Thévenot J, Cordonnier C, Rougeron A, Le Goff O, Nguyen HTT, Denis S, Alric M, Livrelli V, Blanquet-Diot S. Enterohemorrhagic Escherichia coli infection has donor-dependent effect on human gut microbiota and may be antagonized by probiotic yeast during interaction with Peyer's patches. Appl Microbiol Biotechnol 2015; 99:9097-110. [PMID: 26084888 DOI: 10.1007/s00253-015-6704-0] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Revised: 05/13/2015] [Accepted: 05/17/2015] [Indexed: 01/05/2023]
Abstract
Enterohemorrhagic Escherichia coli (EHEC) are major food-borne pathogens responsible for serious infections ranging from mild diarrhea to hemorrhagic colitis and life-threatening complications. Shiga toxins (Stxs) are the main virulence factor of EHEC. The antagonistic effect of a prophylactic treatment with the probiotic strain Saccharomyces cerevisiae against EHEC O157:H7 was investigated using complementary in vitro human colonic model and in vivo murine ileal loop assays. In vitro, the probiotic treatment had no effect on O157:H7 survival but favorably influenced gut microbiota activity through modulation of short-chain fatty acid production, increasing acetate production and decreasing that of butyrate. Both pathogen and probiotic strains had individual-dependent effects on human gut microbiota. For the first time, stx expression was followed in human colonic environment: at 9 and 12 h post EHEC infection, probiotic treatment significantly decreased stx mRNA levels. Besides, in murine ileal loops, the probiotic yeast specifically exerted a trophic effect on intestinal mucosa and inhibited O157:H7 interactions with Peyer's patches and subsequent hemorrhagic lesions. Taken together, the results suggest that S. cerevisiae may be useful in the fight against EHEC infection and that host associated factors such as microbiota could influence clinical evolution of EHEC infection and the effectiveness of probiotics.
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Affiliation(s)
- J Thévenot
- Centre de Recherche en Nutrition Humaine Auvergne, EA 4678 CIDAM, Conception Ingénierie et Développement de l'Aliment et du Médicament, Clermont Université, Université d'Auvergne, Clermont-Ferrand, France.,Centre de Recherche en Nutrition Humaine Auvergne, M2iSH, Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte UMR INSERM / Université d'Auvergne U1071 USC-INRA 2018, Clermont Université, Université d'Auvergne, Clermont-Ferrand, France
| | - C Cordonnier
- Centre de Recherche en Nutrition Humaine Auvergne, EA 4678 CIDAM, Conception Ingénierie et Développement de l'Aliment et du Médicament, Clermont Université, Université d'Auvergne, Clermont-Ferrand, France.,Centre de Recherche en Nutrition Humaine Auvergne, M2iSH, Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte UMR INSERM / Université d'Auvergne U1071 USC-INRA 2018, Clermont Université, Université d'Auvergne, Clermont-Ferrand, France
| | - A Rougeron
- Centre de Recherche en Nutrition Humaine Auvergne, M2iSH, Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte UMR INSERM / Université d'Auvergne U1071 USC-INRA 2018, Clermont Université, Université d'Auvergne, Clermont-Ferrand, France
| | - O Le Goff
- Centre de Recherche en Nutrition Humaine Auvergne, EA 4678 CIDAM, Conception Ingénierie et Développement de l'Aliment et du Médicament, Clermont Université, Université d'Auvergne, Clermont-Ferrand, France
| | - H T T Nguyen
- Centre de Recherche en Nutrition Humaine Auvergne, M2iSH, Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte UMR INSERM / Université d'Auvergne U1071 USC-INRA 2018, Clermont Université, Université d'Auvergne, Clermont-Ferrand, France
| | - S Denis
- Centre de Recherche en Nutrition Humaine Auvergne, EA 4678 CIDAM, Conception Ingénierie et Développement de l'Aliment et du Médicament, Clermont Université, Université d'Auvergne, Clermont-Ferrand, France
| | - M Alric
- Centre de Recherche en Nutrition Humaine Auvergne, EA 4678 CIDAM, Conception Ingénierie et Développement de l'Aliment et du Médicament, Clermont Université, Université d'Auvergne, Clermont-Ferrand, France
| | - V Livrelli
- Centre de Recherche en Nutrition Humaine Auvergne, M2iSH, Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte UMR INSERM / Université d'Auvergne U1071 USC-INRA 2018, Clermont Université, Université d'Auvergne, Clermont-Ferrand, France.,Service de Bactériologie, CHU Clermont-Ferrand, Clermont-Ferrand, France
| | - S Blanquet-Diot
- Centre de Recherche en Nutrition Humaine Auvergne, EA 4678 CIDAM, Conception Ingénierie et Développement de l'Aliment et du Médicament, Clermont Université, Université d'Auvergne, Clermont-Ferrand, France.
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Villemejane C, Denis S, Marsset-Baglieri A, Alric M, Aymard P, Michon C. In vitro digestion of short-dough biscuits enriched in proteins and/or fibres using a multi-compartmental and dynamic system (2): Protein and starch hydrolyses. Food Chem 2015. [PMID: 26212956 DOI: 10.1016/j.foodchem.2015.05.050] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The influence of protein and/or fibre enrichment on the nutritional properties of biscuits was studied in terms of proteolysis and amylolysis. Biscuits were digested using a multi-compartmental and dynamic system that simulates the main physiological digestive functions of the upper tract of healthy adult humans: the TIM-1. A control biscuit and three biscuits enriched in proteins and/or fibres were digested under the same conditions. Samples were collected in each compartment of the TIM-1 (stomach, duodenum, jejunum and ileum) at different times of digestion and analysed in terms of proteolysis and amylolysis. Results indicate that both formulation and processing impacted the digestive fate of the biscuits. Incorporating proteins or fibres in biscuits lowered or delayed proteolysis. Moreover a protein-plus-fibre additional or synergic effect was observed. Biscuits enriched in proteins and/or fibres displayed a higher amylolysis degree than the control biscuit, probably due to lower starch amounts and higher gelatinization degrees.
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Affiliation(s)
- C Villemejane
- AgroParisTech, UMR1145 Ingénierie Procédés Aliments, F-91300 Massy, France; INRA, UMR1145 Ingénierie Procédés Aliments, F-91300 Massy, France; CNAM, UMR1145 Ingénierie Procédés Aliments, F-75003 Paris, France.
| | - S Denis
- Clermont Université, Université d'Auvergne, Centre de Recherche en Nutrition Humaine Auvergne, EA 4678, Conception Ingénierie et Développement de l'Aliment et du Médicament, CS 60032, F-63001 Clermont-Ferrand, France
| | - A Marsset-Baglieri
- AgroParisTech, UMR914 Physiologie de la Nutrition et du Comportement Alimentaire, F-75005 Paris, France; INRA, UMR914 Physiologie de la Nutrition et du Comportement Alimentaire, F-75005 Paris, France
| | - M Alric
- Clermont Université, Université d'Auvergne, Centre de Recherche en Nutrition Humaine Auvergne, EA 4678, Conception Ingénierie et Développement de l'Aliment et du Médicament, CS 60032, F-63001 Clermont-Ferrand, France
| | - P Aymard
- Mondelēz International, F-91400 Saclay, France
| | - C Michon
- AgroParisTech, UMR1145 Ingénierie Procédés Aliments, F-91300 Massy, France; INRA, UMR1145 Ingénierie Procédés Aliments, F-91300 Massy, France; CNAM, UMR1145 Ingénierie Procédés Aliments, F-75003 Paris, France
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Survival of Escherichia coli O26:H11 exceeds that of Escherichia coli O157:H7 as assessed by simulated human digestion of contaminated raw milk cheeses. Int J Food Microbiol 2014; 172:40-8. [DOI: 10.1016/j.ijfoodmicro.2013.11.029] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Revised: 11/15/2013] [Accepted: 11/26/2013] [Indexed: 11/24/2022]
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45
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Enterohemorrhagic Escherichia coli O157:H7 survival in an in vitro model of the human large intestine and interactions with probiotic yeasts and resident microbiota. Appl Environ Microbiol 2012. [PMID: 23204410 DOI: 10.1128/aem.03303-12] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
This is the first report on the fate of enterohemorrhagic Escherichia coli O157:H7 in simulated human colonic conditions. The pathogen was progressively eliminated from the bioreactor and did not modify the major populations of resident microbiota. The coadministration of the Saccharomyces cerevisiae CNCM I-3856 probiotic strain led to a significant increase in acetate production but did not reduce pathogen viability.
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Guerra A, Etienne-Mesmin L, Livrelli V, Denis S, Blanquet-Diot S, Alric M. Relevance and challenges in modeling human gastric and small intestinal digestion. Trends Biotechnol 2012; 30:591-600. [DOI: 10.1016/j.tibtech.2012.08.001] [Citation(s) in RCA: 294] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2012] [Revised: 07/30/2012] [Accepted: 08/01/2012] [Indexed: 12/14/2022]
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