101
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Nogal A, Valdes AM, Menni C. The role of short-chain fatty acids in the interplay between gut microbiota and diet in cardio-metabolic health. Gut Microbes 2021; 13:1-24. [PMID: 33764858 PMCID: PMC8007165 DOI: 10.1080/19490976.2021.1897212] [Citation(s) in RCA: 252] [Impact Index Per Article: 84.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 01/29/2021] [Accepted: 02/15/2021] [Indexed: 02/04/2023] Open
Abstract
The gut microbiota plays an important role in cardio-metabolic diseases with diet being among the strongest modulators of gut microbiota composition and function. Resistant dietary carbohydrates are fermented to short-chain fatty acids (SCFAs) by the gut bacteria. Fiber and omega-3 rich diets increase SCFAs production and abundance of SCFA-producing bacteria. Likewise, SCFAs can improve gut barrier integrity, glucose, and lipid metabolism, regulate the immune system, the inflammatory response, and blood pressure. Therefore, targeting the gut microbiota with dietary strategies leading to increased SCFA production may benefit cardio-metabolic health. In this review, we provide an overview of the association between diet, SCFAs produced by the gut microbiota and cardio-metabolic diseases. We first discuss the association between the human gut microbiota and cardio-metabolic diseases, then investigate the role of SCFAs and finally explore the beneficial effects of specific dietary interventions that can improve cardio-metabolic outcomes through boosting the SCFA production.
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Affiliation(s)
- Ana Nogal
- Department of Twin Research, King’s College London, St Thomas’ Hospital Campus, London, UK
| | - Ana M. Valdes
- Department of Twin Research, King’s College London, St Thomas’ Hospital Campus, London, UK
- School of Medicine, Nottingham City Hospital, Nottingham, UK
- NIHR Nottingham Biomedical Research Centre, Nottingham, UK
| | - Cristina Menni
- Department of Twin Research, King’s College London, St Thomas’ Hospital Campus, London, UK
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102
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Selber-Hnatiw S, Sultana T, Tse W, Abdollahi N, Abdullah S, Al Rahbani J, Alazar D, Alrumhein NJ, Aprikian S, Arshad R, Azuelos JD, Bernadotte D, Beswick N, Chazbey H, Church K, Ciubotaru E, D'Amato L, Del Corpo T, Deng J, Di Giulio BL, Diveeva D, Elahie E, Frank JGM, Furze E, Garner R, Gibbs V, Goldberg-Hall R, Goldman CJ, Goltsios FF, Gorjipour K, Grant T, Greco B, Guliyev N, Habrich A, Hyland H, Ibrahim N, Iozzo T, Jawaheer-Fenaoui A, Jaworski JJ, Jhajj MK, Jones J, Joyette R, Kaudeer S, Kelley S, Kiani S, Koayes M, Kpata AJAAL, Maingot S, Martin S, Mathers K, McCullogh S, McNamara K, Mendonca J, Mohammad K, Momtaz SA, Navaratnarajah T, Nguyen-Duong K, Omran M, Ortiz A, Patel A, Paul-Cole K, Plaisir PA, Porras Marroquin JA, Prevost A, Quach A, Rafal AJ, Ramsarun R, Rhnima S, Rili L, Safir N, Samson E, Sandiford RR, Secondi S, Shahid S, Shahroozi M, Sidibé F, Smith M, Sreng Flores AM, Suarez Ybarra A, Sénéchal R, Taifour T, Tang L, Trapid A, Tremblay Potvin M, Wainberg J, Wang DN, Weissenberg M, White A, Wilkinson G, Williams B, Wilson JR, Zoppi J, Zouboulakis K, Gamberi C. Metabolic networks of the human gut microbiota. MICROBIOLOGY-SGM 2020; 166:96-119. [PMID: 31799915 DOI: 10.1099/mic.0.000853] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The human gut microbiota controls factors that relate to human metabolism with a reach far greater than originally expected. Microbial communities and human (or animal) hosts entertain reciprocal exchanges between various inputs that are largely controlled by the host via its genetic make-up, nutrition and lifestyle. The composition of these microbial communities is fundamental to supply metabolic capabilities beyond those encoded in the host genome, and contributes to hormone and cellular signalling that support the dynamic adaptation to changes in food availability, environment and organismal development. Poor functional exchange between the microbial communities and their human host is associated with dysbiosis, metabolic dysfunction and disease. This review examines the biology of the dynamic relationship between the reciprocal metabolic state of the microbiota-host entity in balance with its environment (i.e. in healthy states), the enzymatic and metabolic changes associated with its imbalance in three well-studied diseases states such as obesity, diabetes and atherosclerosis, and the effects of bariatric surgery and exercise.
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Affiliation(s)
- Susannah Selber-Hnatiw
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Tarin Sultana
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - W Tse
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Niki Abdollahi
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Sheyar Abdullah
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Jalal Al Rahbani
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Diala Alazar
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Nekoula Jean Alrumhein
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Saro Aprikian
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Rimsha Arshad
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Jean-Daniel Azuelos
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Daphney Bernadotte
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Natalie Beswick
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Hana Chazbey
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Kelsey Church
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Emaly Ciubotaru
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Lora D'Amato
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Tavia Del Corpo
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Jasmine Deng
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Briana Laura Di Giulio
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Diana Diveeva
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Elias Elahie
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - James Gordon Marcel Frank
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Emma Furze
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Rebecca Garner
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Vanessa Gibbs
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Rachel Goldberg-Hall
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Chaim Jacob Goldman
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Fani-Fay Goltsios
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Kevin Gorjipour
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Taylor Grant
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Brittany Greco
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Nadir Guliyev
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Andrew Habrich
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Hillary Hyland
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Nabila Ibrahim
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Tania Iozzo
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Anastasia Jawaheer-Fenaoui
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Julia Jane Jaworski
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Maneet Kaur Jhajj
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Jermaine Jones
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Rodney Joyette
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Samad Kaudeer
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Shawn Kelley
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Shayesteh Kiani
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Marylin Koayes
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | | | - Shannon Maingot
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Sara Martin
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Kelly Mathers
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Sean McCullogh
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Kelly McNamara
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - James Mendonca
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Karamat Mohammad
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Sharara Arezo Momtaz
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Thiban Navaratnarajah
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Kathy Nguyen-Duong
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Mustafa Omran
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Angela Ortiz
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Anjali Patel
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Kahlila Paul-Cole
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Paul-Arthur Plaisir
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | | | - Ashlee Prevost
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Angela Quach
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Aries John Rafal
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Rewaparsad Ramsarun
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Sami Rhnima
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Lydia Rili
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Naomi Safir
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Eugenie Samson
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Rebecca Rose Sandiford
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Stefano Secondi
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Stephanie Shahid
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Mojdeh Shahroozi
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Fily Sidibé
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Megan Smith
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Alina Maria Sreng Flores
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Anabel Suarez Ybarra
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Rebecca Sénéchal
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Tarek Taifour
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Lawrence Tang
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Adam Trapid
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Maxim Tremblay Potvin
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Justin Wainberg
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Dani Ni Wang
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Mischa Weissenberg
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Allison White
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Gabrielle Wilkinson
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Brittany Williams
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Joshua Roth Wilson
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Johanna Zoppi
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Katerina Zouboulakis
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
| | - Chiara Gamberi
- Biology Department, Concordia University, 7141 Sherbrooke St W, SP-375-09 Montreal, Quebec, H4B 1R6, Canada
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103
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Fattahi Y, Heidari HR, Khosroushahi AY. Review of short-chain fatty acids effects on the immune system and cancer. FOOD BIOSCI 2020. [DOI: 10.1016/j.fbio.2020.100793] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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104
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Moffett JR, Puthillathu N, Vengilote R, Jaworski DM, Namboodiri AM. Acetate Revisited: A Key Biomolecule at the Nexus of Metabolism, Epigenetics, and Oncogenesis - Part 2: Acetate and ACSS2 in Health and Disease. Front Physiol 2020; 11:580171. [PMID: 33304273 PMCID: PMC7693462 DOI: 10.3389/fphys.2020.580171] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Accepted: 10/19/2020] [Indexed: 12/19/2022] Open
Abstract
Acetate, the shortest chain fatty acid, has been implicated in providing health benefits whether it is derived from the diet or is generated from microbial fermentation of fiber in the gut. These health benefits range widely from improved cardiac function to enhanced red blood cell generation and memory formation. Understanding how acetate could influence so many disparate biological functions is now an area of intensive research. Protein acetylation is one of the most common post-translational modifications and increased systemic acetate strongly drives protein acetylation. By virtue of acetylation impacting the activity of virtually every class of protein, acetate driven alterations in signaling and gene transcription have been associated with several common human diseases, including cancer. In part 2 of this review, we will focus on some of the roles that acetate plays in health and human disease. The acetate-activating enzyme acyl-CoA short-chain synthetase family member 2 (ACSS2) will be a major part of that focus due to its role in targeted protein acetylation reactions that can regulate central metabolism and stress responses. ACSS2 is the only known enzyme that can recycle acetate derived from deacetylation reactions in the cytoplasm and nucleus of cells, including both protein and metabolite deacetylation reactions. As such, ACSS2 can recycle acetate derived from histone deacetylase reactions as well as protein deacetylation reactions mediated by sirtuins, among many others. Notably, ACSS2 can activate acetate released from acetylated metabolites including N-acetylaspartate (NAA), the most concentrated acetylated metabolite in the human brain. NAA has been associated with the metabolic reprograming of cancer cells, where ACSS2 also plays a role. Here, we discuss the context-specific roles that acetate can play in health and disease.
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Affiliation(s)
- John R. Moffett
- Department of Anatomy, Physiology and Genetics, and Neuroscience Program, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Narayanan Puthillathu
- Department of Anatomy, Physiology and Genetics, and Neuroscience Program, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Ranjini Vengilote
- Department of Anatomy, Physiology and Genetics, and Neuroscience Program, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Diane M. Jaworski
- Department of Neurological Sciences, University of Vermont College of Medicine, Burlington, VT, United States
| | - Aryan M. Namboodiri
- Department of Anatomy, Physiology and Genetics, and Neuroscience Program, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
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105
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Teame T, Wang A, Xie M, Zhang Z, Yang Y, Ding Q, Gao C, Olsen RE, Ran C, Zhou Z. Paraprobiotics and Postbiotics of Probiotic Lactobacilli, Their Positive Effects on the Host and Action Mechanisms: A Review. Front Nutr 2020; 7:570344. [PMID: 33195367 PMCID: PMC7642493 DOI: 10.3389/fnut.2020.570344] [Citation(s) in RCA: 125] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 08/28/2020] [Indexed: 12/14/2022] Open
Abstract
Lactobacilli comprise an important group of probiotics for both human and animals. The emerging concern regarding safety problems associated with live microbial cells is enhancing the interest in using cell components and metabolites derived from probiotic strains. Here, we define cell structural components and metabolites of probiotic bacteria as paraprobiotics and postbiotics, respectively. Paraprobiotics and postbiotics produced from Lactobacilli consist of a wide range of molecules including peptidoglycans, surface proteins, cell wall polysaccharides, secreted proteins, bacteriocins, and organic acids, which mediate positive effect on the host, such as immunomodulatory, anti-tumor, antimicrobial, and barrier-preservation effects. In this review, we systematically summarize the paraprobiotics and postbiotics derived from Lactobacilli and their beneficial functions. We also discuss the mechanisms underlying their beneficial effects on the host, and their interaction with the host cells. This review may boost our understanding on the benefits and molecular mechanisms associated with paraprobiotics and probiotics from Lactobacilli, which may promote their applications in humans and animals.
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Affiliation(s)
- Tsegay Teame
- China-Norway Joint Lab on Fish Gastrointestinal Microbiota, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China.,Tigray Agricultural Research Institute, Mekelle, Ethiopia
| | - Anran Wang
- AgricultureIsLife/EnvironmentIsLife and Precision Livestock and Nutrition Unit, AgroBioChem/TERRA, Gembloux Agro-Bio Tech, University of Liege, Passage des Deportes, Gembloux, Belgium
| | - Mingxu Xie
- Norway-China Fish Gastrointestinal Microbiota Joint Lab, Institute of Biology, Norwegian University of Science and Technology, Trondheim, Norway
| | - Zhen Zhang
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture and Rural Affairs, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yalin Yang
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture and Rural Affairs, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Qianwen Ding
- Norway-China Fish Gastrointestinal Microbiota Joint Lab, Institute of Biology, Norwegian University of Science and Technology, Trondheim, Norway
| | - Chenchen Gao
- China-Norway Joint Lab on Fish Gastrointestinal Microbiota, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Rolf Erik Olsen
- Norway-China Fish Gastrointestinal Microbiota Joint Lab, Institute of Biology, Norwegian University of Science and Technology, Trondheim, Norway
| | - Chao Ran
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture and Rural Affairs, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zhigang Zhou
- China-Norway Joint Lab on Fish Gastrointestinal Microbiota, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
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106
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Greaves G, Xiang R, Rafiei H, Malas A, Little JP. Prior ingestion of a ketone monoester supplement reduces postprandial glycemic responses in young healthy-weight individuals. Appl Physiol Nutr Metab 2020; 46:309-317. [PMID: 32941737 DOI: 10.1139/apnm-2020-0644] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The main objective of this study was to determine whether acute ingestion of a ketone monoester (KME) supplement impacted mixed-meal tolerance test (MMTT) glucose area under the curve (AUC). Nineteen healthy young volunteers (10 males/9 females; age, 24.7 ± 4.9 years; body mass index, 22.7 ± 2.4 kg/m2) participated in a double-blind, placebo-controlled crossover study. Following overnight fasting (≥10 h), participants consumed 0.45 mL/kg of a KME supplement or taste-matched placebo followed by an MMTT 15 min later. Blood samples were collected every 15-30 min over 2.5 h. KME supplementation acutely raised β-hydroxybutyrate AUC (590%, P < 0.0001, d = 2.4) and resulted in decreases in blood glucose AUC (-9.4%, P = 0.03, d = 0.56) and nonesterified fatty acid (NEFA) AUC (-27.3%, P = 0.023, d = 0.68) compared with placebo. No differences were found for plasma insulin AUC (P = 0.70) or gastric emptying estimated by co-ingested acetaminophen AUC (P = 0.96) between ketone and placebo. Overall, results indicate that KME supplementation attenuates postprandial glycemic and NEFA responses when taken 15 min prior to a mixed meal in young healthy individuals. Future studies are warranted to investigate whether KME supplementation may benefit individuals with impaired glycemic control. Novelty: Acute ketone monoester supplementation 15 min prior to a mixed meal decreased postprandial glucose and NEFA levels without significantly impacting postprandial insulin or estimates of gastric emptying. Glucose- and NEFA-lowering effects of ketone monoester supplementation are apparently not mediated by changes in insulin release or gastric emptying.
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Affiliation(s)
- Grant Greaves
- Faculty of Medicine, The University of British Columbia, Okanagan Campus, Kelowna, BC V1V 1V7, Canada
| | - Richard Xiang
- Faculty of Medicine, The University of British Columbia, Okanagan Campus, Kelowna, BC V1V 1V7, Canada
| | - Hossein Rafiei
- School of Health and Exercise Sciences, The University of British Columbia, Okanagan Campus, Kelowna, BC V1V 1V7, Canada
| | - Adeeb Malas
- Faculty of Medicine, The University of British Columbia, Okanagan Campus, Kelowna, BC V1V 1V7, Canada
| | - Jonathan P Little
- School of Health and Exercise Sciences, The University of British Columbia, Okanagan Campus, Kelowna, BC V1V 1V7, Canada
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107
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Gomes SD, Oliveira CS, Azevedo-Silva J, Casanova MR, Barreto J, Pereira H, Chaves SR, Rodrigues LR, Casal M, Côrte-Real M, Baltazar F, Preto A. The Role of Diet Related Short-Chain Fatty Acids in Colorectal Cancer Metabolism and Survival: Prevention and Therapeutic Implications. Curr Med Chem 2020; 27:4087-4108. [PMID: 29848266 DOI: 10.2174/0929867325666180530102050] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 12/22/2017] [Accepted: 05/15/2018] [Indexed: 12/16/2022]
Abstract
Colorectal Cancer (CRC) is a major cause of cancer-related death worldwide. CRC increased risk has been associated with alterations in the intestinal microbiota, with decreased production of Short Chain Fatty Acids (SCFAs). SCFAs produced in the human colon are the major products of bacterial fermentation of undigested dietary fiber and starch. While colonocytes use the three major SCFAs, namely acetate, propionate and butyrate, as energy sources, transformed CRC cells primarily undergo aerobic glycolysis. Compared to normal colonocytes, CRC cells exhibit increased sensitivity to SCFAs, thus indicating they play an important role in cell homeostasis. Manipulation of SCFA levels in the intestine, through changes in microbiota, has therefore emerged as a potential preventive/therapeutic strategy for CRC. Interest in understanding SCFAs mechanism of action in CRC cells has increased in the last years. Several SCFA transporters like SMCT-1, MCT-1 and aquaporins have been identified as the main transmembrane transporters in intestinal cells. Recently, it was shown that acetate promotes plasma membrane re-localization of MCT-1 and triggers changes in the glucose metabolism. SCFAs induce apoptotic cell death in CRC cells, and further mechanisms have been discovered, including the involvement of lysosomal membrane permeabilization, associated with mitochondria dysfunction and degradation. In this review, we will discuss the current knowledge on the transport of SCFAs by CRC cells and their effects on CRC metabolism and survival. The impact of increasing SCFA production by manipulation of colon microbiota on the prevention/therapy of CRC will also be addressed.
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Affiliation(s)
- Sara Daniela Gomes
- CBMA - Centre of Molecular and Environmental Biology, Department of Biology, University of Minho,
Campus de Gualtar, 4710-057 Braga, Portugal,ICVS - Life and Health Sciences Research Institute, School of Medicine, University of Minho, Braga, Portugal
| | - Cláudia Suellen Oliveira
- CBMA - Centre of Molecular and Environmental Biology, Department of Biology, University of Minho,
Campus de Gualtar, 4710-057 Braga, Portugal,ICBAS - Institute of Biomedical Sciences Abel Salazar, University of Porto, 4050-313 Porto, Portugal
| | - João Azevedo-Silva
- CBMA - Centre of Molecular and Environmental Biology, Department of Biology, University of Minho,
Campus de Gualtar, 4710-057 Braga, Portugal
| | - Marta R Casanova
- CBMA - Centre of Molecular and Environmental Biology, Department of Biology, University of Minho,
Campus de Gualtar, 4710-057 Braga, Portugal,CEB - Centre of Biological Engineering, University of Minho, Braga, Portugal
| | - Judite Barreto
- CBMA - Centre of Molecular and Environmental Biology, Department of Biology, University of Minho,
Campus de Gualtar, 4710-057 Braga, Portugal
| | - Helena Pereira
- CBMA - Centre of Molecular and Environmental Biology, Department of Biology, University of Minho,
Campus de Gualtar, 4710-057 Braga, Portugal
| | - Susana R Chaves
- CBMA - Centre of Molecular and Environmental Biology, Department of Biology, University of Minho,
Campus de Gualtar, 4710-057 Braga, Portugal
| | - Lígia R Rodrigues
- CEB - Centre of Biological Engineering, University of Minho, Braga, Portugal
| | - Margarida Casal
- CBMA - Centre of Molecular and Environmental Biology, Department of Biology, University of Minho,
Campus de Gualtar, 4710-057 Braga, Portugal
| | - Manuela Côrte-Real
- CBMA - Centre of Molecular and Environmental Biology, Department of Biology, University of Minho,
Campus de Gualtar, 4710-057 Braga, Portugal
| | - Fátima Baltazar
- ICVS - Life and Health Sciences Research Institute, School of Medicine, University of Minho, Braga, Portugal,ICVS/3B’s - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Ana Preto
- CBMA - Centre of Molecular and Environmental Biology, Department of Biology, University of Minho,
Campus de Gualtar, 4710-057 Braga, Portugal
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Wiciński M, Gębalski J, Gołębiewski J, Malinowski B. Probiotics for the Treatment of Overweight and Obesity in Humans-A Review of Clinical Trials. Microorganisms 2020; 8:microorganisms8081148. [PMID: 32751306 PMCID: PMC7465252 DOI: 10.3390/microorganisms8081148] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/24/2020] [Accepted: 07/28/2020] [Indexed: 12/12/2022] Open
Abstract
The World Health Organization (WHO) reports that 400 million people are obese, and over 1.6 billion adults are overweight worldwide. Annually, over 2.8 million people die from obesity-related diseases. The incidence of overweight and obesity is steadily increasing, and this phenomenon is referred to as a 21st-century pandemic. The main reason for this phenomenon is an easy access to high-energy, processed foods, and a low-activity lifestyle. These changes lead to an energy imbalance and, as a consequence, to the development of body fat. Weight gain contributes to the development of heart diseases, skeletal system disorders, metabolic disorders such as diabetes, and certain types of cancer. In recent years, there have been many works linking obesity with intestinal microbiota. Experiments on germ-free animals (GFs) have provided much evidence for the contribution of bacteria to obesity. The composition of the gut microbiota (GM) changes in obese people. These changes affect the degree of energy obtained from food, the composition and secretory functions of adipose tissue, carbohydrate, and lipid metabolism in the liver, and the activity of centers in the brain. The study aimed to present the current state of knowledge about the role of intestinal microbiota in the development of obesity and the impact of supplementation with probiotic bacteria on the health of overweight and obese patients.
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Nooromid M, Chen EB, Xiong L, Shapiro K, Jiang Q, Demsas F, Eskandari M, Priyadarshini M, Chang EB, Layden BT, Ho KJ. Microbe-Derived Butyrate and Its Receptor, Free Fatty Acid Receptor 3, But Not Free Fatty Acid Receptor 2, Mitigate Neointimal Hyperplasia Susceptibility After Arterial Injury. J Am Heart Assoc 2020; 9:e016235. [PMID: 32580613 PMCID: PMC7670501 DOI: 10.1161/jaha.120.016235] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Background Arterial restenosis after vascular surgery is a common cause of midterm restenosis and treatment failure. Herein, we aim to investigate the role of microbe‐derived butyrate, FFAR2 (free fatty acid receptor 2), and FFAR3 (free fatty acid receptor 3) in mitigating neointimal hyperplasia development in remodeling murine arteries after injury. Methods and Results C57BL/6 mice treated with oral vancomycin before unilateral femoral wire injury to deplete gut microbiota had significantly diminished serum and stool butyrate and more neointimal hyperplasia development after arterial injury, which was reversed by concomitant butyrate supplementation. Deficiency of FFAR3 but not FFAR2, both receptors for butyrate, exacerbated neointimal hyperplasia development after injury. FFAR3 deficiency was also associated with delayed recovery of the endothelial layer in vivo. FFAR3 gene expression was observed in multiple peripheral arteries, and expression was increased after arterial injury. Treatment of endothelial but not vascular smooth muscle cells with the pharmacologic FFAR3 agonist 1‐methylcyclopropane carboxylate stimulated cellular migration and proliferation in scratch assays. Conclusions Our results support a protective role for butyrate and FFAR3 in the development of neointimal hyperplasia after arterial injury and delineate activation of the butyrate‐FFAR3 pathway as a valuable strategy for the prevention and treatment of neointimal hyperplasia.
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Affiliation(s)
- Michael Nooromid
- Department of Surgery Feinberg School of Medicine Northwestern University Chicago IL
| | - Edmund B Chen
- Department of Surgery Feinberg School of Medicine Northwestern University Chicago IL
| | - Liqun Xiong
- Department of Surgery Feinberg School of Medicine Northwestern University Chicago IL
| | - Katherine Shapiro
- Department of Surgery Feinberg School of Medicine Northwestern University Chicago IL
| | - Qun Jiang
- Department of Surgery Feinberg School of Medicine Northwestern University Chicago IL
| | - Falen Demsas
- Geisel School of Medicine at Dartmouth Hanover NH
| | - Maeve Eskandari
- Department of Surgery Feinberg School of Medicine Northwestern University Chicago IL
| | - Medha Priyadarshini
- Department of Medicine University of Illinois at Chicago and Jesse Brown VA Medical Center Chicago IL
| | - Eugene B Chang
- Section of Gastroenterology Department of Medicine University of Chicago, Chicago, IL
| | - Brian T Layden
- Department of Medicine University of Illinois at Chicago and Jesse Brown VA Medical Center Chicago IL
| | - Karen J Ho
- Department of Surgery Feinberg School of Medicine Northwestern University Chicago IL
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Free Fatty Acid Receptors 2 and 3 as Microbial Metabolite Sensors to Shape Host Health: Pharmacophysiological View. Biomedicines 2020; 8:biomedicines8060154. [PMID: 32521775 PMCID: PMC7344995 DOI: 10.3390/biomedicines8060154] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 05/30/2020] [Accepted: 06/01/2020] [Indexed: 12/13/2022] Open
Abstract
The role of the gut microbiome in human health is becoming apparent. The major functional impact of the gut microbiome is transmitted through the microbial metabolites that are produced in the gut and interact with host cells either in the local gut environment or are absorbed into circulation to impact distant cells/organs. Short-chain fatty acids (SCFAs) are the major microbial metabolites that are produced in the gut through the fermentation of non-digestible fibers. SCFAs are known to function through various mechanisms, however, their signaling through free fatty acid receptors 2 and 3 (FFAR2/3; type of G-coupled protein receptors) is a new therapeutic approach. FFAR2/3 are widely expressed in diverse cell types in human and mice, and function as sensors of SCFAs to change several physiological and cellular functions. FFAR2/3 modulate neurological signaling, energy metabolism, intestinal cellular homeostasis, immune response, and hormone synthesis. FFAR2/3 function through Gi and/or Gq signaling, that is mediated through specific structural features of SCFAs-FFAR2/3 bindings and modulating specific signaling pathway. In this review, we discuss the wide-spread expression and structural homologies between human and mice FFAR2/3, and their role in different human health conditions. This information can unlock opportunities to weigh the potential of FFAR2/3 as a drug target to prevent human diseases.
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Composition of Royal Jelly (RJ) and Its Anti-Androgenic Effect on Reproductive Parameters in a Polycystic Ovarian Syndrome (PCOS) Animal Model. Antioxidants (Basel) 2020; 9:antiox9060499. [PMID: 32517356 PMCID: PMC7346114 DOI: 10.3390/antiox9060499] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 05/30/2020] [Accepted: 06/05/2020] [Indexed: 02/07/2023] Open
Abstract
Royal jelly (RJ) has been shown to contribute its positive effects upon imbalance in the reproductive system. However, it remains unknown as to whether RJ has an anti-androgenic effect on reproductive parameters in a polycystic ovarian syndrome (PCOS) animal model. Composition of RJ was assessed by phytochemical screening and the LC–MS method. Forty immature female rats (3 weeks, 40–50 g) were randomly divided into five groups (n = 8 per group), i.e., control, testosterone (T), T+100RJ (100 mg/kg/day), T+200RJ (200 mg/kg/day RJ), and T+400RJ (400 mg/kg/day RJ) groups. Hyperandrogenism was induced by daily subcutaneous injection of T propionate for 3 weeks, followed by oral RJ for 4 weeks. The T+200RJ group had a significantly higher follicle-stimulating hormone level, and significantly lower luteinizing hormone, testosterone, and estradiol levels in comparison to the T group. Malondialdehyde level and glutathione peroxidase activity were significantly lower, while total antioxidant capacity level was significantly higher in the T+200RJ group compared to the T group. Histologically, the T+200RJ group showed recovery of various stages of ovarian follicular development. RJ at 200 mg/kg/day for 4 weeks significantly improved reproductive parameters in PCOS rats partly due to its anti-androgenic effect through antioxidant action and probably due to modulation on estrogenic activity, which needs further study to evaluate its exact mechanism of action.
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Reimer RA, Soto-Vaca A, Nicolucci AC, Mayengbam S, Park H, Madsen KL, Menon R, Vaughan EE. Effect of chicory inulin-type fructan-containing snack bars on the human gut microbiota in low dietary fiber consumers in a randomized crossover trial. Am J Clin Nutr 2020; 111:1286-1296. [PMID: 32320024 DOI: 10.1093/ajcn/nqaa074] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 03/23/2020] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND The low intake of dietary fiber compared to recommended amounts has been referred to as the dietary fiber gap. The addition of fiber to snack foods could favorably alter gut microbiota and help individuals meet intake recommendations. OBJECTIVES Our objective was to examine the effect of low- and moderate-dose fiber-containing snack bars, comprising mainly chicory root inulin-type fructans (ITF), on gut microbiota in healthy adults with habitual low dietary fiber intake using 16S ribosomal RNA-based approaches. METHODS In 2 separate 4-wk, placebo-controlled, double-blind, crossover trials, 50 healthy adults with low dietary fiber intake were randomly assigned to receive isocaloric snack bars of either moderate-dose fiber (7 g/d) or control in Trial 1 (n = 25) or low-dose fiber (3 g/d) or control in Trial 2 (n = 25), with 4-wk washout periods. Fecal microbiota composition and inferred function, fecal SCFA concentration, gastrointestinal (GI) symptoms, dietary intake, and quality of life were measured. RESULTS Compared with the control group, the moderate-dose group showed significant differences across multiple microbial taxa, most notably an increased relative abundance of the Bifidobacterium genus from (mean ± SEM) 5.3% ± 5.9% to 18.7% ± 15.0%. With low-dose ITF, significant increases in Bifidobacterium were no longer present after correction for multiple comparisons but targeted analysis with qPCR showed a significant increase in Bifidobacterium. Predictive functional profiling identified changes in predicted function after intake of the moderate- but not the low-dose bar. Fecal SCFAs were affected by time but not treatment. There were no between-group differences in GI symptoms. Importantly, fiber intake increased significantly with the moderate- and low-dose bars. CONCLUSIONS In healthy adults, adding 3 or 7 g ITF to snack bars increased Bifidobacterium, a beneficial member of the gut microbial community. The addition of ITF to food products could help reduce the dietary fiber gap prevalent in modern life.This trial was registered at clinicaltrials.gov as NCT03042494.
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Affiliation(s)
- Raylene A Reimer
- Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Adriana Soto-Vaca
- General Mills Bell Institute of Health and Nutrition, Golden Valley, MN, USA
| | | | | | - Heekuk Park
- Division of Infectious Diseases, Department of Medicine, Columbia University, New York, NY, USA
| | - Karen L Madsen
- Division of Gastroenterology, Centre of Excellence for Gastrointestinal Inflammation and Immunity Research, University of Alberta, Edmonton, Alberta, Canada
| | - Ravi Menon
- General Mills Bell Institute of Health and Nutrition, Golden Valley, MN, USA
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Wang RX, Lee JS, Campbell EL, Colgan SP. Microbiota-derived butyrate dynamically regulates intestinal homeostasis through regulation of actin-associated protein synaptopodin. Proc Natl Acad Sci U S A 2020; 117:11648-11657. [PMID: 32398370 PMCID: PMC7260972 DOI: 10.1073/pnas.1917597117] [Citation(s) in RCA: 155] [Impact Index Per Article: 38.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
The intestinal mucosa exists in dynamic balance with trillions of luminal microbes. Disruption of the intestinal epithelial barrier, commonly observed in mucosal inflammation and diseases such as inflammatory bowel diseases (IBDs), is often associated with dysbiosis, particularly decreases in species producing short-chain fatty acids (SCFAs), such as butyrate. It remains unclear to what extent microbiota-derived factors contribute to the overall maintenance of intestinal homeostasis. Initial studies revealed that butyrate selectively promotes epithelial barrier function and wound healing. We aimed to define the specific mechanism(s) through which butyrate contributes to these epithelial responses. Guided by an unbiased profiling approach, we identified the dominant regulation of the actin-binding protein synaptopodin (SYNPO). Extensions of this work revealed a role for SYNPO in intestinal epithelial barrier function and wound healing. SYNPO was localized to the intestinal epithelial tight junction and within F-actin stress fibers where it is critical for barrier integrity and cell motility. Butyrate, but not other SCFAs, induced SYNPO in epithelial cell lines and murine colonic enteroids through mechanisms possibly involving histone deacetylase inhibition. Moreover, depletion of the microbiota abrogated expression of SYNPO in the mouse colon, which was rescued with butyrate repletion. Studies in Synpo-deficient mice demonstrated exacerbated disease susceptibility and increased intestinal permeability in a dextran sulfate sodium colitis model. These findings establish a critical role for the microbiota and their products, specifically butyrate, in the regulated expression of SYNPO for intestinal homeostasis and reveal a direct mechanistic link between microbiota-derived butyrate and barrier restoration.
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Affiliation(s)
- Ruth X Wang
- Mucosal Inflammation Program, Department of Medicine, University of Colorado School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
- Medical Scientist Training Program, University of Colorado School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - J Scott Lee
- Mucosal Inflammation Program, Department of Medicine, University of Colorado School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Eric L Campbell
- Centre for Experimental Medicine, Queens University Belfast, Belfast BT9 7BL, Northern Ireland
| | - Sean P Colgan
- Mucosal Inflammation Program, Department of Medicine, University of Colorado School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045;
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Al Mahri S, Al Ghamdi A, Akiel M, Al Aujan M, Mohammad S, Aziz MA. Free fatty acids receptors 2 and 3 control cell proliferation by regulating cellular glucose uptake. World J Gastrointest Oncol 2020; 12:514-525. [PMID: 32461783 PMCID: PMC7235185 DOI: 10.4251/wjgo.v12.i5.514] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 03/26/2020] [Accepted: 03/30/2020] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Colorectal cancer (CRC) is a worldwide problem, which has been associated with changes in diet and lifestyle pattern. As a result of colonic fermentation of dietary fibres, short chain free fatty acids are generated which activate free fatty acid receptors (FFAR) 2 and 3. FFAR2 and FFAR3 genes are abundantly expressed in colonic epithelium and play an important role in the metabolic homeostasis of colonic epithelial cells. Earlier studies point to the involvement of FFAR2 in colorectal carcinogenesis.
AIM To understand the role of short chain FFARs in CRC.
METHODS Transcriptome analysis console software was used to analyse microarray data from CRC patients and cell lines. We employed short-hairpin RNA mediated down regulation of FFAR2 and FFAR3 genes, which was validated using quantitative real time polymerase chain reaction. Assays for glucose uptake and cyclic adenosine monophosphate (cAMP) generation was done along with immunofluorescence studies to study the effects of FFAR2/FFAR3 knockdown. For measuring cell proliferation, we employed real time electrical impedance-based assay available from xCELLigence.
RESULTS Microarray data analysis of CRC patient samples showed a significant down regulation of FFAR2 gene expression. This prompted us to study the FFAR2 in CRC. Since, FFAR3 shares significant structural and functional homology with FFAR2, we knocked down both these receptors in CRC cell line HCT 116. These modified cell lines exhibited higher proliferation rate and were found to have increased glucose uptake as well as increased level of glucose transporter 1. Since, FFAR2 and FFAR3 signal through G protein subunit (Gαi), knockdown of these receptors was associated with increased cAMP. Inhibition of protein kinase A (PKA) did not alter the growth and proliferation of these cells indicating a mechanism independent of cAMP/PKA pathway.
CONCLUSION Our results suggest role of FFAR2/FFAR3 genes in increased proliferation of colon cancer cells via enhanced glucose uptake and exclude the role of PKA mediated cAMP signalling. Alternate pathways could be involved that would ultimately result in increased cell proliferation as a result of down regulated FFAR2/FFAR3 genes. This study paves the way to understand the mechanism of action of short chain FFARs in CRC.
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Affiliation(s)
- Saeed Al Mahri
- King Abdullah International Medical Research Center, Riyadh 11426, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Riyadh 11426, Saudi Arabia
- Ministry of the National Guard - Health Affairs, Riyadh 11426, Saudi Arabia
- Department of Experimental Medicine, King Abdullah International Medical Research Center, Riyadh 11426, Saudi Arabia
| | - Amal Al Ghamdi
- King Abdullah International Medical Research Center, Riyadh 11426, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Riyadh 11426, Saudi Arabia
- Ministry of the National Guard - Health Affairs, Riyadh 11426, Saudi Arabia
- Colorectal Cancer Research Program, King Abdullah International Medical Research Center, Riyadh 11426, Saudi Arabia
| | - Maaged Akiel
- King Abdullah International Medical Research Center, Riyadh 11426, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Riyadh 11426, Saudi Arabia
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud bin Abdulaziz University for Health Sciences, Riyadh 11426, Saudi Arabia
- Department of Medical Genomics, King Abdullah International Medical Research Center, Riyadh 11426, Saudi Arabia
- Department of Human and Molecular Genetics, Virginia Commonwealth University, Richmond, VA 23284, United States
| | - Monira Al Aujan
- King Abdullah International Medical Research Center, Riyadh 11426, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Riyadh 11426, Saudi Arabia
- Ministry of the National Guard - Health Affairs, Riyadh 11426, Saudi Arabia
- Department of Medical Genomics, King Abdullah International Medical Research Center, Riyadh 11426, Saudi Arabia
| | - Sameer Mohammad
- King Abdullah International Medical Research Center, Riyadh 11426, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Riyadh 11426, Saudi Arabia
- Ministry of the National Guard - Health Affairs, Riyadh 11426, Saudi Arabia
- Department of Experimental Medicine, King Abdullah International Medical Research Center, Riyadh 11426, Saudi Arabia
| | - Mohammad Azhar Aziz
- King Abdullah International Medical Research Center, Riyadh 11426, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Riyadh 11426, Saudi Arabia
- Ministry of the National Guard - Health Affairs, Riyadh 11426, Saudi Arabia
- Colorectal Cancer Research Program, King Abdullah International Medical Research Center, Riyadh 11426, Saudi Arabia
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Zhuang P, Zhang Y, Shou Q, Li H, Zhu Y, He L, Chen J, Jiao J. Eicosapentaenoic and Docosahexaenoic Acids Differentially Alter Gut Microbiome and Reverse High-Fat Diet-Induced Insulin Resistance. Mol Nutr Food Res 2020; 64:e1900946. [PMID: 32298529 DOI: 10.1002/mnfr.201900946] [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: 09/06/2019] [Revised: 03/10/2020] [Indexed: 12/23/2022]
Abstract
SCOPE To assess the individual effects of dietary eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) on insulin resistance (IR), gut microbiome, and gut metabolites in high-fat-diet-induced obese (DIO) mice. METHODS AND RESULTS DIO mice are fed an either high-fat diet (HFD), EPA (1% w/w) enriched HFD, or DHA (1% wt/wt) enriched HFD for 15 weeks. Both EPA and DHA supplements reverse hyperglycemia and IR but do not affect body weight in DIO mice while DHA exhibits a more pronounced ameliorative effect in male mice. Both EPA- and DHA-enriched Lactobacillus and short-chain fatty acids (SCFAs)-producing species from Lachnospiraceae while reduced lipopolysaccharide (LPS)-producing Bilophila and Escherichia/Shigella. Compared with EPA, DHA-supplemented mice have more abundant propionic/butyric acid-producing bacteria, including Coprococcus, Butyricimonas synergistica, Bacteroides acidifaciens, and Intestinimonas, and less-abundant LPS-correlated species Streptococcus and p-75-a5. The shifts in gut microbiome co-occurred with the changes in levels of propionic/butyric acid, circulating LPS, and serotonin. Additionally, EPA/DHA supplementation attenuates adipose inflammation with upregulated glucose transporter 4 and Akt phosphorylation, indicating the improvement of insulin signaling. CONCLUSION EPA and DHA differentially reverse IR and relieve adipose inflammation while modulating gut microbiome and SCFAs/LPS production, underscoring the gut-adipose axis as a primary target of EPA/DHA.
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Affiliation(s)
- Pan Zhuang
- Zhejiang Key Laboratory for Agro-Food Processing, Key Laboratory of Agro-Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Yu Zhang
- Zhejiang Key Laboratory for Agro-Food Processing, Key Laboratory of Agro-Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Qiyang Shou
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310005, China
| | - Haoyu Li
- Zhejiang Key Laboratory for Agro-Food Processing, Key Laboratory of Agro-Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Ya'er Zhu
- Analysis Center of Agrobiology and Environmental Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Lilin He
- Zhejiang Key Laboratory for Agro-Food Processing, Key Laboratory of Agro-Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Jingnan Chen
- Zhejiang Key Laboratory for Agro-Food Processing, Key Laboratory of Agro-Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Jingjing Jiao
- Department of Nutrition, School of Public Health, Department of Nutrition of Affiliated Second Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China
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116
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Del Fabbro S, Calder PC, Childs CE. Microbiota-independent immunological effects of non-digestible oligosaccharides in the context of inflammatory bowel diseases. Proc Nutr Soc 2020; 79:1-11. [PMID: 32345388 DOI: 10.1017/s0029665120006953] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The aim of the present paper is to review the effects of non-digestible oligosaccharides (NDO) on immunity, focusing on their microbiota-independent mechanisms of action, as well as to explore their potential beneficial role in inflammatory bowel diseases (IBD). IBD are chronic, inflammatory conditions of the gastrointestinal tract. Individuals with IBD have an aberrant immune response to commensal microbiota, resulting in extensive mucosal inflammation and increased intestinal permeability. NDO are prebiotic fibres well known for their role in supporting intestinal health through modulation of the gut microbiota. NDO reach the colon intact and are fermented by commensal bacteria, resulting in the production of SCFA with immunomodulatory properties. In disease states characterised by increased gut permeability, prebiotics may also bypass the gut barrier and directly interact with intestinal and systemic immune cells, as demonstrated in patients with IBD and in infants with an immature gut. In vitro models show that fructooligosaccharides, inulin and galactooligosaccharides exert microbiota-independent effects on immunity by binding to toll-like receptors on monocytes, macrophages and intestinal epithelial cells and by modulating cytokine production and immune cell maturation. Moreover, animal models and human supplementation studies demonstrate that some prebiotics, including inulin and lactulose, might reduce intestinal inflammation and IBD symptoms. Although there are convincing preliminary data to support NDO as immunomodulators in the management of IBD, their mechanisms of action are still unclear and larger standardised studies need to be performed using a wider range of prebiotics.
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Affiliation(s)
- Stefania Del Fabbro
- School of Human Development and Health, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Philip C Calder
- School of Human Development and Health, Faculty of Medicine, University of Southampton, Southampton, UK
- NIHR Southampton Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust and University of Southampton, Southampton, UK
- Institute for Life Sciences, University of Southampton, Southampton, UK
| | - Caroline E Childs
- School of Human Development and Health, Faculty of Medicine, University of Southampton, Southampton, UK
- Institute for Life Sciences, University of Southampton, Southampton, UK
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Markowiak-Kopeć P, Śliżewska K. The Effect of Probiotics on the Production of Short-Chain Fatty Acids by Human Intestinal Microbiome. Nutrients 2020; 12:nu12041107. [PMID: 32316181 PMCID: PMC7230973 DOI: 10.3390/nu12041107] [Citation(s) in RCA: 441] [Impact Index Per Article: 110.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 04/10/2020] [Accepted: 04/13/2020] [Indexed: 12/12/2022] Open
Abstract
The relationship between diet and the diversity and function of the intestinal microbiome and its importance for human health is currently the subject of many studies. The type and proportion of microorganisms found in the intestines can determine the energy balance of the host. Intestinal microorganisms perform many important functions, one of which is participation in metabolic processes, e.g., in the production of short-chain fatty acids—SCFAs (also called volatile fatty acids). These acids represent the main carbon flow from the diet to the host microbiome. Maintaining intestinal balance is necessary to maintain the host’s normal health and prevent many diseases. The results of many studies confirm the beneficial effect of probiotic microorganisms on the balance of the intestinal microbiome and produced metabolites, including SCFAs. The aim of this review is to summarize what is known on the effects of probiotics on the production of short-chain fatty acids by gut microbes. In addition, the mechanism of formation and properties of these metabolites is discussed and verified test results confirming the effectiveness of probiotics in human nutrition by modulating SCFAs production by intestinal microbiome is presented.
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Vacca M, Celano G, Calabrese FM, Portincasa P, Gobbetti M, De Angelis M. The Controversial Role of Human Gut Lachnospiraceae. Microorganisms 2020; 8:E573. [PMID: 32326636 PMCID: PMC7232163 DOI: 10.3390/microorganisms8040573] [Citation(s) in RCA: 751] [Impact Index Per Article: 187.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 04/05/2020] [Accepted: 04/13/2020] [Indexed: 02/06/2023] Open
Abstract
The complex polymicrobial composition of human gut microbiota plays a key role in health and disease. Lachnospiraceae belong to the core of gut microbiota, colonizing the intestinal lumen from birth and increasing, in terms of species richness and their relative abundances during the host's life. Although, members of Lachnospiraceae are among the main producers of short-chain fatty acids, different taxa of Lachnospiraceae are also associated with different intra- and extraintestinal diseases. Their impact on the host physiology is often inconsistent across different studies. Here, we discuss changes in Lachnospiraceae abundances according to health and disease. With the aim of harnessing Lachnospiraceae to promote human health, we also analyze how nutrients from the host diet can influence their growth and how their metabolites can, in turn, influence host physiology.
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Affiliation(s)
- Mirco Vacca
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, 70126 Bari, Italy; (M.V.); (F.M.C.); (M.D.A.)
| | - Giuseppe Celano
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, 70126 Bari, Italy; (M.V.); (F.M.C.); (M.D.A.)
| | - Francesco Maria Calabrese
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, 70126 Bari, Italy; (M.V.); (F.M.C.); (M.D.A.)
| | - Piero Portincasa
- Clinica Medica “A. Murri”, Department of Biomedical Sciences and Human Oncology, University of Bari Medical School, 70121 Bari, Italy
| | - Marco Gobbetti
- Faculty of Science and Technology, Free University of Bozen, 39100 Bolzano, Italy;
| | - Maria De Angelis
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, 70126 Bari, Italy; (M.V.); (F.M.C.); (M.D.A.)
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Masulli M, Vitacolonna E, Fraticelli F, Della Pepa G, Mannucci E, Monami M. Effects of probiotic supplementation during pregnancy on metabolic outcomes: A systematic review and meta-analysis of randomized controlled trials. Diabetes Res Clin Pract 2020; 162:108111. [PMID: 32194215 DOI: 10.1016/j.diabres.2020.108111] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 02/13/2020] [Accepted: 03/02/2020] [Indexed: 01/06/2023]
Abstract
AIM To perform a systematic review and meta-analysis of randomized controlled trials (RCTs) to evaluate the effect of probiotics in pregnancy on the incidence of gestational diabetes (GDM) and fasting plasma glucose (FPG). METHODS A MEDLINE, EMBASE, Scopus and Cochrane search (up to May 30th, 2019) was performed to identify RCTs of comparison of probiotics with placebo/active comparators in pregnant women. Principal endpoints were the incidence of GDM and the change of FPG. Other maternal and fetal outcomes were secondary endpoints. Mantel-Haenszel Odds Ratio with 95% CI (MH-OR) was calculated for dichotomous outcomes, whereas standardized differences in means was calculated for continuous variables. (PROSPERO registration CRD42019139889). FINDINGS A total of 17 RCTs, all versus placebo, was identified. The overall quality of the trials was satisfactory. No effect of probiotics on incidence of GDM (MH-OR: 0.77[0.51,1.16], p = 0.21,I2:62%) was observed, with a small but significant reduction of FPG (mean difference -1.01 [-1.96, -0.06]mg/dl, p = 0.02, I2:46%). Among secondary endpoints, a significant reduction of maternal insulin (both in women with or without diabetes) was observed in the probiotics group. INTERPRETATION Probiotics during pregnancy do not reduce the incidence of GDM, with a very little (statistically but not clinically significant) reduction of fasting plasma glucose.
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Affiliation(s)
- Maria Masulli
- Department of Clinical Medicine and Surgery, "Federico II" University of Naples, Italy.
| | - Ester Vitacolonna
- Department of Medicine and Aging, School of Medicine and Health Sciences, "G. d'Annunzio" University, Chieti, Pescara, Italy
| | - Federica Fraticelli
- Department of Medicine and Aging, School of Medicine and Health Sciences, "G. d'Annunzio" University, Chieti, Pescara, Italy
| | - Giuseppe Della Pepa
- Department of Clinical Medicine and Surgery, "Federico II" University of Naples, Italy
| | | | - Matteo Monami
- Diabetology, Careggi Hospital and University of Florence, Italy
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Erny D, Prinz M. How microbiota shape microglial phenotypes and epigenetics. Glia 2020; 68:1655-1672. [PMID: 32181523 DOI: 10.1002/glia.23822] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 03/03/2020] [Accepted: 03/04/2020] [Indexed: 12/17/2022]
Abstract
Among the myeloid cells in the central nervous system (CNS) microglia are the main representatives of the innate immune system. Microglial fulfil tasks beyond phagocytosing debris and host defense against invading microorganism. During brain development microglia guide for example neurons for proper CNS formation, in adulthood they maintain tissue homeostasis and in aging microglia may become pro-inflammatory and finally exhausted. Recently, several endogenous and exogenous factors were identified that essentially shape the microglial phenotype during both steady-state and pathological conditions. On the one hand, microglia receive inputs from CNS-endogenous sources for example, via crosstalk with other glial cells and neurons but on the other hand microglia are also highly modulated by external signals. Among them, host microbiota-the host's resident bacteria-are vital regulators of the CNS innate immune system. This review summarizes key extrinsic and intrinsic factors, with special focus on the host microbiota, that essentially influence microglia functions and states during development, homeostasis, and disease.
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Affiliation(s)
- Daniel Erny
- Institute of Neuropathology, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Berta-Ottenstein-Programme, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Marco Prinz
- Institute of Neuropathology, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Signalling Research Centres BIOSS and CIBSS, University of Freiburg, Freiburg, Germany.,Center for Basics in NeuroModulation (NeuroModulBasics), Faculty of Medicine, University of Freiburg, Freiburg, Germany
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D’Aquila P, Lynn Carelli L, De Rango F, Passarino G, Bellizzi D. Gut Microbiota as Important Mediator Between Diet and DNA Methylation and Histone Modifications in the Host. Nutrients 2020; 12:E597. [PMID: 32106534 PMCID: PMC7146473 DOI: 10.3390/nu12030597] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 02/21/2020] [Accepted: 02/21/2020] [Indexed: 12/14/2022] Open
Abstract
The human gut microbiota is a complex ecosystem consisting of trillions of microorganisms that inhabit symbiotically on and in the human intestine. They carry out, through the production of a series of metabolites, many important metabolic functions that complement the activity of mammalian enzymes and play an essential role in host digestion. Interindividual variability of microbiota structure, and consequently of the expression of its genes (microbiome), was largely ascribed to the nutritional regime. Diet influences microbiota composition and function with short- and long-term effects. In spite of the vast literature, molecular mechanisms underlying these effects still remain elusive. In this review, we summarized the current evidence on the role exerted by gut microbiota and, more specifically, by its metabolites in the establishment of the host epigenome. The interest in this topic stems from the fact that, by modulating DNA methylation and histone modifications, the gut microbiota does affect the cell activities of the hosting organism.
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Affiliation(s)
- Patrizia D’Aquila
- Department of Biology, Ecology and Earth Sciences (DIBEST), University of Calabria, 87036 Rende, Italy; (F.D.R.); (G.P.); (D.B.)
| | | | - Francesco De Rango
- Department of Biology, Ecology and Earth Sciences (DIBEST), University of Calabria, 87036 Rende, Italy; (F.D.R.); (G.P.); (D.B.)
| | - Giuseppe Passarino
- Department of Biology, Ecology and Earth Sciences (DIBEST), University of Calabria, 87036 Rende, Italy; (F.D.R.); (G.P.); (D.B.)
| | - Dina Bellizzi
- Department of Biology, Ecology and Earth Sciences (DIBEST), University of Calabria, 87036 Rende, Italy; (F.D.R.); (G.P.); (D.B.)
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Bartoszek A, Moo EV, Binienda A, Fabisiak A, Krajewska JB, Mosińska P, Niewinna K, Tarasiuk A, Martemyanov K, Salaga M, Fichna J. Free Fatty Acid Receptors as new potential therapeutic target in inflammatory bowel diseases. Pharmacol Res 2019; 152:104604. [PMID: 31846762 DOI: 10.1016/j.phrs.2019.104604] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 11/19/2019] [Accepted: 12/13/2019] [Indexed: 02/07/2023]
Abstract
Family of Free Fatty Acid Receptors (FFARs), specific G protein-coupled receptors comprises of four members: FFAR1-4, where each responds to different chain length of fatty acids (FAs). Over the years, FFARs have become attractive pharmacological targets in the treatment of type 2 diabetes, metabolic syndrome, cardiovascular diseases and asthma; recent studies also point to their role in inflammation. It is now well-established that activation of FFAR1 and FFAR4 by long and medium chain FAs may lead to reduction of inflammatory state; FFAR2 and FFAR3 are activated by short chain FAs, but only FFAR2 was shown to alleviate inflammation, mostly by neutrophil inhibition. All FFARs have thus been proposed as targets in inflammatory bowel diseases (IBD). Here we discuss current knowledge and future directions in FFAR research related to IBD.
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Affiliation(s)
- Adrian Bartoszek
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Ee Von Moo
- Department of Neuroscience, The Scripps Research Institute, Jupiter, FL, USA; Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
| | - Agata Binienda
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Adam Fabisiak
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland; Department of Digestive Tract Diseases, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Julia B Krajewska
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Paula Mosińska
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Karolina Niewinna
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Aleksandra Tarasiuk
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Kirill Martemyanov
- Department of Neuroscience, The Scripps Research Institute, Jupiter, FL, USA
| | - Maciej Salaga
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Jakub Fichna
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland.
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Torres-Fuentes C, Golubeva AV, Zhdanov AV, Wallace S, Arboleya S, Papkovsky DB, El Aidy S, Ross P, Roy BL, Stanton C, Dinan TG, Cryan JF, Schellekens H. Short-chain fatty acids and microbiota metabolites attenuate ghrelin receptor signaling. FASEB J 2019; 33:13546-13559. [DOI: 10.1096/fj.201901433r] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Cristina Torres-Fuentes
- Alimentary Pharmabiotic Centre (APC) Microbiome Ireland, University College Cork, Cork, Ireland
| | - Anna V. Golubeva
- Alimentary Pharmabiotic Centre (APC) Microbiome Ireland, University College Cork, Cork, Ireland
- Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland
| | | | - Shauna Wallace
- Alimentary Pharmabiotic Centre (APC) Microbiome Ireland, University College Cork, Cork, Ireland
| | - Silvia Arboleya
- Alimentary Pharmabiotic Centre (APC) Microbiome Ireland, University College Cork, Cork, Ireland
- Teagasc Food Research Centre, Cork, Ireland
| | | | - Sahar El Aidy
- Alimentary Pharmabiotic Centre (APC) Microbiome Ireland, University College Cork, Cork, Ireland
| | - Paul Ross
- Alimentary Pharmabiotic Centre (APC) Microbiome Ireland, University College Cork, Cork, Ireland
| | | | - Catherine Stanton
- Alimentary Pharmabiotic Centre (APC) Microbiome Ireland, University College Cork, Cork, Ireland
- Teagasc Food Research Centre, Cork, Ireland
| | - Timothy G. Dinan
- Alimentary Pharmabiotic Centre (APC) Microbiome Ireland, University College Cork, Cork, Ireland
- Department of Psychiatry and Neurobehavioral Science, University College Cork, Cork, Ireland
| | - John F. Cryan
- Alimentary Pharmabiotic Centre (APC) Microbiome Ireland, University College Cork, Cork, Ireland
- Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland
| | - Harriet Schellekens
- Alimentary Pharmabiotic Centre (APC) Microbiome Ireland, University College Cork, Cork, Ireland
- Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland
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Effect of agave fructans on the production of short chain fatty acid in mice. Food Sci Biotechnol 2019; 28:1493-1498. [PMID: 31695948 DOI: 10.1007/s10068-019-00572-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 01/07/2019] [Accepted: 01/28/2019] [Indexed: 10/27/2022] Open
Abstract
The aim of this study was to evaluate the effect of agave fructans on short chain fatty acid (SCFA) production in mice (C57BL/6). Animals were randomly divided into three groups (n = 8): control group (CG), fructans from Agave tequilana group (FG) (55 g per day/kg of body weight), and oligrofructose group (OG) (55 g per day/kg of body weight). Treatments were administered oral via for 6 weeks. After 24 days of treatment (phase 1), both treated groups exhibited elevated levels of acetic (12%) and propionic (FG 66% and OG 38%) acids in comparison with the CG. After 42 days of treatment (phase 2), FG had higher concentrations of acetic (33%) and propionic (73%) acids than the CG; while OG exhibited higher levels of butyric (12%) and propionic (35%) acids compared with the CG. Fructans from Agave tequilana improve the production of SCFA in mice, suggesting a prebiotic activity.
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Mosińska P, Tarasiuk A, Fabisiak A, Krajewska J, Niewinna K, Bartoszek A, Binienda A, Sałaga M, Fichna J. Dietary fatty acid content influences the expression of genes involved in the lipid turnover and inflammation in mouse colon and spleen. Pharmacol Rep 2019; 71:899-908. [PMID: 31421543 DOI: 10.1016/j.pharep.2019.07.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 07/06/2019] [Accepted: 07/11/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND Dietary interventions can improve gastrointestinal (GI) symptoms. We determined the effects of fatty acids (FAs) supplementation with medium- and long-chain saturated FAs on mouse GI motility and correlated them with the expression of genes for free FA receptors (FFAR)1-4, FA binding protein 4 (FABP4) and inflammation. METHODS Forty-eight BalbC were assigned to: standard diet (STD), diet rich in medium-chain saturated FAs (COCO) and long-chain saturated FAs (HF) (7% by weight). Body weight (BW) and food intake (FI) were monitored for 8-weeks. GI motility was determined by fecal pellet output (FPO) and colon bead expulsion tests. FABP4 inhibitor, BMS309403 (1mg/kg, ip) was injected to half of each group 2 days/week. mRNA expression of FABP4, (FFAR)1-4, and pro-inflammatory cytokines were measured in colonic and splenic tissues using real-time PCR. RESULTS COCO and HF decreased FI. COCO accelerated overall GI transit (p<0.05). COCO increased the mRNA expression of FFAR2 (p<0.001) and TNFα (p<0.01); HF increased the expression of FABP4 and FFAR4 (p<0.05), and FFAR2 (p<0.001) in the colon, and decreased FFAR1 and FFAR4 (p<0.001), TNFα (p<0.01) and IL-1β (p<0.05) in splenic tissues. BMS309403 decreased the FI and delayed colonic transit in STD+BMS and COCO+BMS vs. STD (p<0.05). HF+BMS increased colonic expression of FFAR3 (p<0.01), TNFα (p<0.01), IL-6 (p<0.01), and reduced FFAR4 (p<0.05); COCO+BMS decreased TNFα (p<0.01). CONCLUSION Diversification in the dietary lipid content affected GI motility in mice and the expression of FFARs and pro-inflammatory cytokines in vivo.
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Affiliation(s)
- Paula Mosińska
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Łódź, Poland
| | - Aleksandra Tarasiuk
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Łódź, Poland
| | - Adam Fabisiak
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Łódź, Poland; Department of Digestive Tract Diseases, Faculty of Medicine, Medical University of Lodz, Łódź, Poland
| | - Julia Krajewska
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Łódź, Poland
| | - Karolina Niewinna
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Łódź, Poland
| | - Adrian Bartoszek
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Łódź, Poland
| | - Agata Binienda
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Łódź, Poland
| | - Maciej Sałaga
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Łódź, Poland
| | - Jakub Fichna
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Łódź, Poland.
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The Short-Chain Fatty Acid Acetate in Body Weight Control and Insulin Sensitivity. Nutrients 2019; 11:nu11081943. [PMID: 31426593 PMCID: PMC6723943 DOI: 10.3390/nu11081943] [Citation(s) in RCA: 282] [Impact Index Per Article: 56.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 08/08/2019] [Accepted: 08/15/2019] [Indexed: 02/06/2023] Open
Abstract
The interplay of gut microbiota, host metabolism, and metabolic health has gained increased attention. Gut microbiota may play a regulatory role in gastrointestinal health, substrate metabolism, and peripheral tissues including adipose tissue, skeletal muscle, liver, and pancreas via its metabolites short-chain fatty acids (SCFA). Animal and human data demonstrated that, in particular, acetate beneficially affects host energy and substrate metabolism via secretion of the gut hormones like glucagon-like peptide-1 and peptide YY, which, thereby, affects appetite, via a reduction in whole-body lipolysis, systemic pro-inflammatory cytokine levels, and via an increase in energy expenditure and fat oxidation. Thus, potential therapies to increase gut microbial fermentation and acetate production have been under vigorous scientific scrutiny. In this review, the relevance of the colonically and systemically most abundant SCFA acetate and its effects on the previously mentioned tissues will be discussed in relation to body weight control and glucose homeostasis. We discuss in detail the differential effects of oral acetate administration (vinegar intake), colonic acetate infusions, acetogenic fiber, and acetogenic probiotic administrations as approaches to combat obesity and comorbidities. Notably, human data are scarce, which highlights the necessity for further human research to investigate acetate’s role in host physiology, metabolic, and cardiovascular health.
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Abstract
Short-chain fatty acids (SCFAs), the main metabolites produced by bacterial fermentation of dietary fibre in the gastrointestinal tract, are speculated to have a key role in microbiota-gut-brain crosstalk. However, the pathways through which SCFAs might influence psychological functioning, including affective and cognitive processes and their neural basis, have not been fully elucidated. Furthermore, research directly exploring the role of SCFAs as potential mediators of the effects of microbiota-targeted interventions on affective and cognitive functioning is sparse, especially in humans. This Review summarizes existing knowledge on the potential of SCFAs to directly or indirectly mediate microbiota-gut-brain interactions. The effects of SCFAs on cellular systems and their interaction with gut-brain signalling pathways including immune, endocrine, neural and humoral routes are described. The effects of microbiota-targeted interventions such as prebiotics, probiotics and diet on psychological functioning and the putative mediating role of SCFA signalling will also be discussed, as well as the relationship between SCFAs and psychobiological processes. Finally, future directions to facilitate direct investigation of the effect of SCFAs on psychological functioning are outlined.
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De Matteis V, Cascione M, De Giorgi ML, Leporatti S, Rinaldi R. Encapsulation of Thermo-Sensitive Lauric Acid in Silica Shell: A Green Derivate for Chemo-Thermal Therapy in Breast Cancer Cell. Molecules 2019; 24:E2034. [PMID: 31141939 PMCID: PMC6600235 DOI: 10.3390/molecules24112034] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 05/21/2019] [Accepted: 05/25/2019] [Indexed: 11/29/2022] Open
Abstract
Lauric acid is a green derivate that is abundant in some seeds such as coconut oil where it represents the most relevant fatty acid. Some studies have emphasized its anticancer effect due to apoptosis induction. In addition, the lauric acid is a Phase Change Material having a melting temperature of about 43.2 °C: this property makes it a powerful tool in cancer treatment by hyperthermal stress, generally induced at 43 °C. However, the direct use of lauric acid can have some controversial effects, and it can undergo degradation phenomena in the extracellular environment. For this reason, we have encapsulated lauric acid in a silica shell with a one-step and reproducible synthetic route in order to obtain a monodispersed SiO2@LA NPs with a good encapsulation efficiency. We have used these NPs to expose breast cancer cell lines (MCF-7) at different concentrations in combination with hyperthermal treatment. Uptake, viability, oxidative stress induction, caspases levels, and morphometric parameters were analyzed. These nanovectors showed double action in anticancer treatments thanks to the synergic effect of temperature and lauric acid activity.
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Affiliation(s)
- Valeria De Matteis
- Dipartimento di Matematica e Fisica "E. De Giorgi", Università del Salento, Via per Arnesano, 73100 Lecce, Italy.
| | - Mariafrancesca Cascione
- Dipartimento di Matematica e Fisica "E. De Giorgi", Università del Salento, Via per Arnesano, 73100 Lecce, Italy.
| | - Maria Luisa De Giorgi
- Dipartimento di Matematica e Fisica "E. De Giorgi", Università del Salento, Via per Arnesano, 73100 Lecce, Italy.
| | - Stefano Leporatti
- CNR Nanotec-Istituto di Nanotecnologia, via Monteroni, c/o Campus Ecotekne, 73100 Lecce, Italy.
| | - Rosaria Rinaldi
- Dipartimento di Matematica e Fisica "E. De Giorgi", Università del Salento, Via per Arnesano, 73100 Lecce, Italy.
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Tayyeb JZ, Popeijus HE, Mensink RP, Konings MCJM, Mulders KHR, Plat J. The effects of short-chain fatty acids on the transcription and secretion of apolipoprotein A-I in human hepatocytes in vitro. J Cell Biochem 2019; 120:17219-17227. [PMID: 31106471 PMCID: PMC6767783 DOI: 10.1002/jcb.28982] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 03/21/2019] [Accepted: 04/01/2019] [Indexed: 01/03/2023]
Abstract
BACKGROUND Apolipoprotein-I (ApoA-I), the major component of high-density lipoprotein (HDL) particles, mediates cholesterol efflux by which it facilitates the removal of excess cholesterol from peripheral tissues. Therefore, elevating ApoA-I production leading to the production of new pre-β-HDL particles is thought to be beneficial in the prevention of cardiovascular diseases. Recently, we observed that amoxicillin treatment led to decreased HDL concentrations in healthy human volunteers. We questioned whether this antibiotic effect was directly or indirectly, via changed short-chain fatty acids (SCFA) concentrations through an altered gut microflora. Therefore, we here evaluated the effects of amoxicillin and various SCFA on hepatic ApoA-I expression, secretion, and the putative underlying pathways. METHODS AND RESULTS Human hepatocytes (HepG2) were exposed to increasing dose of amoxicillin or SCFA for 48 hours. ApoA-I messenger RNA (mRNA) transcription and secreted protein were analyzed using quantitative polymerase chain reaction and enzyme-linked immunosorbent assay, respectively. To study underlying mechanisms, changes in mRNA expression of KEAP1, CPT1, and PPARα, as well as a PPARα transactivation assay, were analyzed. Amoxicillin dose-dependently decreased ApoA-I mRNA transcription as well as ApoA-I protein secretion. SCFA treatment resulted in a dose-dependent stimulation of ApoA-I mRNA transcription, however, the ApoA-I protein secretion was decreased. Furthermore, SCFA treatment increased PPARα transactivation, PPARα and CPT1 mRNA transcription, whereas KEAP1 mRNA transcription was decreased. CONCLUSION Direct treatment of HepG2 cells with amoxicillin has either direct effects on lowering ApoA-I transcription and secretion or indirect effects via modified SCFA concentrations because SCFA were found to stimulate hepatic ApoA-I expression. Furthermore, BET inhibition and PPARα activation were identified as possible mechanisms behind the observed effects on ApoA-I transcription.
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Affiliation(s)
- Jehad Z Tayyeb
- Department of Nutrition and Movement Sciences, NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands
| | - Herman E Popeijus
- Department of Nutrition and Movement Sciences, NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands
| | - Ronald P Mensink
- Department of Nutrition and Movement Sciences, NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands
| | - Maurice C J M Konings
- Department of Nutrition and Movement Sciences, NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands
| | - Kim H R Mulders
- Department of Nutrition and Movement Sciences, NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands
| | - Jogchum Plat
- Department of Nutrition and Movement Sciences, NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands
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130
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Warne RW, Kirschman L, Zeglin L. Manipulation of gut microbiota during critical developmental windows affects host physiological performance and disease susceptibility across ontogeny. J Anim Ecol 2019; 88:845-856. [PMID: 30828805 DOI: 10.1111/1365-2656.12973] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 01/17/2019] [Indexed: 11/29/2022]
Abstract
Colonization of gut microbiomes during early life can shape metabolism and immunity of adult animals. However, most data are derived from antibiotic-treated or germ-free laboratory mammals. Furthermore, few studies have explored how microbial colonization during critical windows influences a suite of other fitness-related traits in wild animals. This study tested whether hatching constitutes a critical developmental window for gut microbiome colonization in wild-caught amphibians and whether perturbations to gut microbiota at hatching shape fitness-related traits of larval growth, metabolism, metamorphosis and disease susceptibility. We sterilized wood frog eggs and then inoculated them with microbes from differing sources, including from another species (bullfrogs) that differ in disease resistance and life history. We measured development, growth and metabolic rates through metamorphosis among individuals from each microbial treatment. A separate group was exposed to an LD50 dose of ranavirus-an emerging disease-to test for microbiome effects on disease susceptibility. We also quantified rates of deformities to test for microbial treatment effects on overall health. Manipulation of microbiota on eggs altered the trajectory of gut microbiome communities across larval ontogeny, though disruption appeared to be transitory. While microbiome structure converged among the treatments by metamorphosis, the effects of disruption on host phenotypes persisted. Larvae inoculated with the bullfrog gut microbiota exhibited accelerated growth and development rates compared to controls. By contrast, sterilized larvae maintained in sterile water for several days after hatching exhibited greater disruption to their gut microbiota across ontogeny, as well as altered metabolism, more tail deformities, and were more likely to die when exposed to an LD50 dose of ranavirus compared to the other treatments. These results suggest perturbations to the microbiota during critical developmental windows can alter the trajectory of the gut microbiome, and have long-term effects on fitness-related traits in larval amphibians. These results suggest that explicit tests of how changes in the composition and abundance of the microbial community shape phenotypes across ontogeny in amphibians could shed light on host-microbe interactions in wildlife, as well as inform conservation efforts to mitigate emerging diseases.
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Affiliation(s)
- Robin W Warne
- Department of Zoology, Southern Illinois University, Carbondale, Illinois
| | - Lucas Kirschman
- Department of Zoology, Southern Illinois University, Carbondale, Illinois
| | - Lydia Zeglin
- Biology Department, Kansas State University, Manhattan, Kansas
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131
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Wang G, Yu Y, Wang YZ, Wang JJ, Guan R, Sun Y, Shi F, Gao J, Fu XL. Role of SCFAs in gut microbiome and glycolysis for colorectal cancer therapy. J Cell Physiol 2019; 234:17023-17049. [PMID: 30888065 DOI: 10.1002/jcp.28436] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2018] [Revised: 02/02/2019] [Accepted: 02/14/2019] [Indexed: 12/19/2022]
Abstract
Increased risk of colorectal cancer (CRC) is associated with altered intestinal microbiota as well as short-chain fatty acids (SCFAs) reduction of output The energy source of colon cells relies mainly on three SCFAs, namely butyrate (BT), propionate, and acetate, while CRC transformed cells rely mainly on aerobic glycolysis to provide energy. This review summarizes recent research results for dysregulated glucose metabolism of SCFAs, which could be initiated by gut microbiome of CRC. Moreover, the relationship between SCFA transporters and glycolysis, which may correlate with the initiation and progression of CRC, are also discussed. Additionally, this review explores the linkage of BT to transport of SCFAs expressions between normal and cancerous colonocyte cell growth for tumorigenesis inhibition in CRC. Furthermore, the link between gut microbiota and SCFAs in the metabolism of CRC, in addition, the proteins and genes related to SCFAs-mediated signaling pathways, coupled with their correlation with the initiation and progression of CRC are also discussed. Therefore, targeting the SCFA transporters to regulate lactate generation and export of BT, as well as applying SCFAs or gut microbiota and natural compounds for chemoprevention may be clinically useful for CRCs treatment. Future research should focus on the combination these therapeutic agents with metabolic inhibitors to effectively target the tumor SCFAs and regulate the bacterial ecology for activation of potent anticancer effect, which may provide more effective application prospect for CRC therapy.
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Affiliation(s)
- Gang Wang
- Department of Pharmaceutics, Shanghai Eighth People's Hospital, Jiangsu University, Shanghai, China
| | - Yang Yu
- Department of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Yu-Zhu Wang
- Department of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Jun-Jie Wang
- Department of Pharmaceutics, Shanghai Eighth People's Hospital, Jiangsu University, Shanghai, China
| | - Rui Guan
- Information Resources Department, Hubei University of Medicine, Shiyan, Hubei, China
| | - Yan Sun
- Information Resources Department, Hubei University of Medicine, Shiyan, Hubei, China
| | - Feng Shi
- Department of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Jing Gao
- Department of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Xing-Li Fu
- Department of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
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132
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Adam ME, Fehervari M, Boshier PR, Chin ST, Lin GP, Romano A, Kumar S, Hanna GB. Mass-Spectrometry Analysis of Mixed-Breath, Isolated-Bronchial-Breath, and Gastric-Endoluminal-Air Volatile Fatty Acids in Esophagogastric Cancer. Anal Chem 2019; 91:3740-3746. [PMID: 30699297 DOI: 10.1021/acs.analchem.9b00148] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A noninvasive breath test has the potential to improve survival from esophagogastric cancer by facilitating earlier detection. This study aimed to investigate the production of target volatile fatty acids (VFAs) in esophagogastric cancer through analysis of the ex vivo headspace above underivatized tissues and in vivo analysis within defined anatomical compartments, including analysis of mixed breath, isolated bronchial breath, and gastric-endoluminal air. VFAs were measured by PTR-ToF-MS and GC-MS. Levels of VFAs (acetic, butyric, pentanoic, and hexanoic acids) and acetone were elevated in ex vivo experiments in the headspace above esophagogastric cancer compared with the levels in samples from control subjects with morphologically normal and benign conditions of the upper gastrointestinal tract. In 25 patients with esophagogastric cancer and 20 control subjects, receiver-operating-characteristic analysis for the cancer-specific VFAs butyric acid ( P < 0.001) and pentatonic acid ( P = 0.005) within in vivo gastric-endoluminal air gave an area under the curve of 0.80 (95% confidence interval of 0.65 to 0.93, P = 0.01). Compared with mixed- and bronchial-breath samples, all examined VFAs were found in highest concentrations within esophagogastric-endoluminal air. In addition, VFAs were higher in all samples derived from cancer patients compared with in the controls. Equivalence of VFA levels within the mixed and bronchial breath of cancer patients suggests that their origin within breath is principally derived from the lungs and, by inference, from the systemic circulation as opposed to direct passage from the upper gastrointestinal tract. These findings highlight the potential to utilize VFAs for endoluminal-gas biopsies and noninvasive mixed-exhaled-breath testing for esophagogastric-cancer detection.
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Affiliation(s)
- Mina E Adam
- Department of Surgery & Cancer , Imperial College London , London W2 1NY , United Kingdom
| | - Matyas Fehervari
- Department of Surgery & Cancer , Imperial College London , London W2 1NY , United Kingdom
| | - Piers R Boshier
- Department of Surgery & Cancer , Imperial College London , London W2 1NY , United Kingdom
| | - Sung-Tong Chin
- Department of Surgery & Cancer , Imperial College London , London W2 1NY , United Kingdom
| | - Geng-Ping Lin
- Department of Surgery & Cancer , Imperial College London , London W2 1NY , United Kingdom
| | - Andrea Romano
- Department of Surgery & Cancer , Imperial College London , London W2 1NY , United Kingdom
| | - Sacheen Kumar
- Department of Surgery & Cancer , Imperial College London , London W2 1NY , United Kingdom
- Department of Upper Gastrointestinal Surgery , The Royal Marsden Hospital , London SW3 6JJ , United Kingdom
| | - George B Hanna
- Department of Surgery & Cancer , Imperial College London , London W2 1NY , United Kingdom
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133
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Han MM, Sun JF, Su XH, Peng YF, Goyal H, Wu CH, Zhu XY, Li L. Probiotics improve glucose and lipid metabolism in pregnant women: a meta-analysis. ANNALS OF TRANSLATIONAL MEDICINE 2019; 7:99. [PMID: 31019949 DOI: 10.21037/atm.2019.01.61] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Background This study aims to assess the effects of probiotic supplementation on the maternal metabolism and the risk of development of gestational diabetes mellitus (GDM) in the pregnant women by a meta-analysis of relevant randomized controlled trials (RCTs). Methods The medical literature was searched from PubMed, Web of Science and the Cochrane Library since inception to October 2017. Two investigators independently performed the data extraction and quality assessment. The mean differences (MD) or standardized mean differences (SMD) or relative risk (RR) with 95% confidence intervals (CIs) were calculated with the random-effects model. Results From 648 citations, a total of ten RCTs published in 13 articles with 1,139 participants met the inclusion criteria. The meta-analysis showed that probiotics supplementation effectively reduced the fasting blood glucose (FBG) levels (MD -0.11 mmol/L, P=0.0003), serum insulin levels (MD -2.06 µU/mL, P<0.00001), insulin resistance (HOMA-IR) (MD -0.38, P<0.00001). The study found a significant effect of probiotics on decreasing the risk of GDM [risk ratio (RR) 0.52, P=0.003) in early pregnancy. Additionally, there were statistically significant reductions in the total cholesterol and triglycerides levels after probiotic interventions (SMD -0.56, P=0.03; SMD -0.66, P=0.04), respectively. Conclusions Our study shows that the probiotic use was associated with improved glucose and lipid metabolism in the pregnant women, and might also contribute to the reduced risk of GDM.
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Affiliation(s)
- Man-Man Han
- Department of Endocrinology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China.,Pancreatic Research Institute, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Jin-Fang Sun
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Xiang-Hui Su
- Department of Endocrinology, the First Affiliated Hospital of the Medical College, Shihezi University, Shihezi 832003, China
| | - You-Fan Peng
- Department of Endocrinology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China.,Pancreatic Research Institute, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Hemant Goyal
- Department of Internal Medicine, School of Medicine, Mercer University, Macon, USA
| | - Chun-Hua Wu
- Department of General medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China
| | - Xiang-Yun Zhu
- Department of Endocrinology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China.,Pancreatic Research Institute, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Ling Li
- Department of Endocrinology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China.,Pancreatic Research Institute, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
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134
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Huang TT, Lai JB, Du YL, Xu Y, Ruan LM, Hu SH. Current Understanding of Gut Microbiota in Mood Disorders: An Update of Human Studies. Front Genet 2019; 10:98. [PMID: 30838027 PMCID: PMC6389720 DOI: 10.3389/fgene.2019.00098] [Citation(s) in RCA: 142] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 01/29/2019] [Indexed: 02/06/2023] Open
Abstract
Gut microbiota plays an important role in the bidirectional communication between the gut and the central nervous system. Mounting evidence suggests that gut microbiota can influence the brain function via neuroimmune and neuroendocrine pathways as well as the nervous system. Advances in gene sequencing techniques further facilitate investigating the underlying relationship between gut microbiota and psychiatric disorders. In recent years, researchers have preliminarily explored the gut microbiota in patients with mood disorders. The current review aims to summarize the published human studies of gut microbiota in mood disorders. The findings showed that microbial diversity and taxonomic compositions were significantly changed compared with healthy individuals. Most of these findings revealed that short-chain fatty acids-producing bacterial genera were decreased, while pro-inflammatory genera and those involved in lipid metabolism were increased in patients with depressive episodes. Interestingly, the abundance of Actinobacteria, Enterobacteriaceae was increased and Faecalibacterium was decreased consistently in patients with either bipolar disorder or major depressive disorder. Some studies further indicated that specific bacteria were associated with clinical characteristics, inflammatory profiles, metabolic markers, and pharmacological treatment. These studies present preliminary evidence of the important role of gut microbiota in mood disorders, through the brain-gut-microbiota axis, which emerges as a promising target for disease diagnosis and therapeutic interventions in the future.
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Affiliation(s)
- Ting-Ting Huang
- Department of Psychiatry, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jian-Bo Lai
- Department of Psychiatry, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,The Key Laboratory of Mental Disorder's Management of Zhejiang Province, Hangzhou, China.,Brain Research Institute of Zhejiang University, Hangzhou, China
| | - Yan-Li Du
- Department of Psychiatry, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yi Xu
- Department of Psychiatry, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,The Key Laboratory of Mental Disorder's Management of Zhejiang Province, Hangzhou, China.,Brain Research Institute of Zhejiang University, Hangzhou, China
| | - Lie-Min Ruan
- Department of Mental Health, Ningbo First Hospital, Ningbo, China
| | - Shao-Hua Hu
- Department of Psychiatry, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,The Key Laboratory of Mental Disorder's Management of Zhejiang Province, Hangzhou, China.,Brain Research Institute of Zhejiang University, Hangzhou, China
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135
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Wang J, Tian S, Yu H, Wang J, Zhu W. Response of Colonic Mucosa-Associated Microbiota Composition, Mucosal Immune Homeostasis, and Barrier Function to Early Life Galactooligosaccharides Intervention in Suckling Piglets. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:578-588. [PMID: 30562014 DOI: 10.1021/acs.jafc.8b05679] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Suckling piglets were used to investigate the response of colonic mucosa-associated microbiota composition, mucosal immune homeostasis, and barrier function to early life galactooligosaccharides (GOS) intervention. Ten milliliter 1 g/kg body weight GOS solutions and physiological saline solutions were fed to the newborn piglets in the GOS group and in the control (CON) group a week time, respectively. Six piglets from each group were euthanized on day 8 and day 21. GOS piglets had a higher abundance of short-chain fatty acids (SCFAs) producer such as Prevotella, Barnesiella, Parabacteroides, and Unclassified Porphyromonadaceae in colonic mucosa ( P < 0.05). In addition, the total SCFAs level in colonic digesta of GOS piglets increased on day 8 ( P < 0.05) and day 21 ( P = 0.064). Meanwhile, a higher SCFAs concentration in colon of the GOS piglets altered the gene expression of inflammatory cytokines (IL-8 and IL-10) and barrier proteins (ZO-1 and Claudin-1) through regulating the phosphorylation of the NFκB and AMPK signaling pathway. In summary, these results provide important insights and understandings to reveal the relationship between the mucosal microbiota colonization and intestinal function at the early life stage of piglets.
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Affiliation(s)
- Jue Wang
- National Center for International Research on Animal Gut Nutrition, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, Laboratory of Gastrointestinal Microbiology, Joint International Research Laboratory of Animal Health and Food Safety, College of Animal Science and Technology , Nanjing Agricultural University , Nanjing 210095 , China
| | - Shiyi Tian
- National Center for International Research on Animal Gut Nutrition, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, Laboratory of Gastrointestinal Microbiology, Joint International Research Laboratory of Animal Health and Food Safety, College of Animal Science and Technology , Nanjing Agricultural University , Nanjing 210095 , China
| | - Hu Yu
- National Center for International Research on Animal Gut Nutrition, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, Laboratory of Gastrointestinal Microbiology, Joint International Research Laboratory of Animal Health and Food Safety, College of Animal Science and Technology , Nanjing Agricultural University , Nanjing 210095 , China
| | - Jing Wang
- National Center for International Research on Animal Gut Nutrition, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, Laboratory of Gastrointestinal Microbiology, Joint International Research Laboratory of Animal Health and Food Safety, College of Animal Science and Technology , Nanjing Agricultural University , Nanjing 210095 , China
| | - Weiyun Zhu
- National Center for International Research on Animal Gut Nutrition, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, Laboratory of Gastrointestinal Microbiology, Joint International Research Laboratory of Animal Health and Food Safety, College of Animal Science and Technology , Nanjing Agricultural University , Nanjing 210095 , China
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136
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Yang J, Qian K, Wang C, Wu Y. Roles of Probiotic Lactobacilli Inclusion in Helping Piglets Establish Healthy Intestinal Inter-environment for Pathogen Defense. Probiotics Antimicrob Proteins 2019; 10:243-250. [PMID: 28361445 DOI: 10.1007/s12602-017-9273-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The gastrointestinal tract of pigs is densely populated with microorganisms that closely interact with the host and with ingested feed. Gut microbiota benefits the host by providing nutrients from dietary substrates and modulating the development and function of the digestive and immune systems. An optimized gastrointestinal microbiome is crucial for pigs' health, and establishment of the microbiome in piglets is especially important for growth and disease resistance. However, the microbiome in the gastrointestinal tract of piglets is immature and easily influenced by the environment. Supplementing the microbiome of piglets with probiotic bacteria such as Lactobacillus could help create an optimized microbiome by improving the abundance and number of lactobacilli and other indigenous probiotic bacteria. Dominant indigenous probiotic bacteria could improve piglets' growth and immunity through certain cascade signal transduction pathways. The piglet body provides a permissive habitat and nutrients for bacterial colonization and growth. In return, probiotic bacteria produce prebiotics such as short-chain fatty acids and bacteriocins that benefit piglets by enhancing their growth and reducing their risk of enteric infection by pathogens. A comprehensive understanding of the interactions between piglets and members of their gut microbiota will help develop new dietary interventions that can enhance piglets' growth, protect piglets from enteric diseases caused by pathogenic bacteria, and maximize host feed utilization.
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Affiliation(s)
- Jiajun Yang
- The Institute of Animal Husbandry and Veterinary Medicine, Anhui Academy of Agricultural Sciences, No. 40 Nongke South Road, Hefei, 230031, Anhui province, People's Republic of China
| | - Kun Qian
- The Institute of Animal Husbandry and Veterinary Medicine, Anhui Academy of Agricultural Sciences, No. 40 Nongke South Road, Hefei, 230031, Anhui province, People's Republic of China.
| | - Chonglong Wang
- The Institute of Animal Husbandry and Veterinary Medicine, Anhui Academy of Agricultural Sciences, No. 40 Nongke South Road, Hefei, 230031, Anhui province, People's Republic of China
| | - Yijing Wu
- The Institute of Animal Husbandry and Veterinary Medicine, Anhui Academy of Agricultural Sciences, No. 40 Nongke South Road, Hefei, 230031, Anhui province, People's Republic of China
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137
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Role of Dietary Lipids in Modulating Inflammation through the Gut Microbiota. Nutrients 2019; 11:nu11010117. [PMID: 30626117 PMCID: PMC6357048 DOI: 10.3390/nu11010117] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 12/19/2018] [Accepted: 12/30/2018] [Indexed: 12/12/2022] Open
Abstract
Inflammation and its resolution is a tenuous balance that is under constant contest. Though several regulatory mechanisms are employed to maintain homeostasis, disruptions in the regulation of inflammation can lead to detrimental effects for the host. Of note, the gut and microbial dysbiosis are implicated in the pathology of systemic chronic low-grade inflammation which has been linked to several metabolic diseases. What remains to be described is the extent to which dietary fat and concomitant changes in the gut microbiota contribute to, or arise from, the onset of metabolic disorders. The present review will highlight the role of microorganisms in host energy regulation and several mechanisms that contribute to inflammatory pathways. This review will also discuss the immunomodulatory effects of the endocannabinoid system and its link with the gut microbiota. Finally, a brief discussion arguing for improved taxonomic resolution (at the species and strain level) is needed to deepen our current knowledge of the microbiota and host inflammatory state.
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138
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Vázquez L, Corzo-Martínez M, Arranz-Martínez P, Barroso E, Reglero G, Torres C. Bioactive Lipids. BIOACTIVE MOLECULES IN FOOD 2019. [DOI: 10.1007/978-3-319-78030-6_58] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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139
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Dugas LR, Bernabé BP, Priyadarshini M, Fei N, Park SJ, Brown L, Plange-Rhule J, Nelson D, Toh EC, Gao X, Dong Q, Sun J, Kliethermes S, Gottel N, Luke A, Gilbert JA, Layden BT. Decreased microbial co-occurrence network stability and SCFA receptor level correlates with obesity in African-origin women. Sci Rep 2018; 8:17135. [PMID: 30459320 PMCID: PMC6244201 DOI: 10.1038/s41598-018-35230-9] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 10/28/2018] [Indexed: 02/07/2023] Open
Abstract
We compared the gut microbial populations in 100 women, from rural Ghana and urban US [50% lean (BMI < 25 kg/m2) and 50% obese (BMI ≥ 30 kg/m2)] to examine the ecological co-occurrence network topology of the gut microbiota as well as the relationship of short chain fatty acids (SCFAs) with obesity. Ghanaians consumed significantly more dietary fiber, had greater microbial alpha-diversity, different beta-diversity, and had a greater concentration of total fecal SCFAs (p-value < 0.002). Lean Ghanaians had significantly greater network density, connectivity and stability than either obese Ghanaians, or lean and obese US participants (false discovery rate (FDR) corrected p-value ≤ 0.01). Bacteroides uniformis was significantly more abundant in lean women, irrespective of country (FDR corrected p < 0.001), while lean Ghanaians had a significantly greater proportion of Ruminococcus callidus, Prevotella copri, and Escherichia coli, and smaller proportions of Lachnospiraceae, Bacteroides and Parabacteroides. Lean Ghanaians had a significantly greater abundance of predicted microbial genes that catalyzed the production of butyric acid via the fermentation of pyruvate or branched amino-acids, while obese Ghanaians and US women (irrespective of BMI) had a significantly greater abundance of predicted microbial genes that encoded for enzymes associated with the fermentation of amino-acids such as alanine, aspartate, lysine and glutamate. Similar to lean Ghanaian women, mice humanized with stool from the lean Ghanaian participant had a significantly lower abundance of family Lachnospiraceae and genus Bacteroides and Parabacteroides, and were resistant to obesity following 6-weeks of high fat feeding (p-value < 0.01). Obesity-resistant mice also showed increased intestinal transcriptional expression of the free fatty acid (Ffa) receptor Ffa2, in spite of similar fecal SCFAs concentrations. We demonstrate that the association between obesity resistance and increased predicted ecological connectivity and stability of the lean Ghanaian microbiota, as well as increased local SCFA receptor level, provides evidence of the importance of robust gut ecologic network in obesity.
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Affiliation(s)
- Lara R Dugas
- Public Health Sciences, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, USA.
| | | | - Medha Priyadarshini
- Division of Endocrinology, Diabetes, and Metabolism, University of Illinois at Chicago, Chicago, IL, USA
| | - Na Fei
- Microbiome Center, Department of Surgery, University of Chicago, Chicago, IL, USA
| | - Seo Jin Park
- Department of Microbiology-Immunology, Northwestern University, Chicago, Illinois, USA
| | - Laquita Brown
- Public Health Sciences, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, USA
| | | | - David Nelson
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, USA
| | - Evelyn C Toh
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, USA
| | - Xiang Gao
- Public Health Sciences, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, USA
| | - Qunfeng Dong
- Public Health Sciences, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, USA
| | - Jun Sun
- Department of Medicine, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Stephanie Kliethermes
- Department of Orthopedics and Rehabilitation, University of Wisconsin School of Medicine and Public Health, Wisconsin, USA
| | - Neil Gottel
- Microbiome Center, Department of Surgery, University of Chicago, Chicago, IL, USA
| | - Amy Luke
- Public Health Sciences, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, USA
| | - Jack A Gilbert
- Microbiome Center, Department of Surgery, University of Chicago, Chicago, IL, USA
| | - Brian T Layden
- Division of Endocrinology, Diabetes, and Metabolism, University of Illinois at Chicago, Chicago, IL, USA.,Jesse Brown Veterans Affairs Medical Center, Chicago, Illinois, USA
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140
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Sodium acetate improves disrupted glucoregulation and hepatic triglyceride content in insulin-resistant female rats: involvement of adenosine deaminase and dipeptidyl peptidase-4 activities. Naunyn Schmiedebergs Arch Pharmacol 2018; 392:103-116. [PMID: 30280312 DOI: 10.1007/s00210-018-1569-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 09/25/2018] [Indexed: 12/15/2022]
Abstract
Combined oral contraceptive (COC) treatment has been shown to be associated with glucose deregulation and increased triglyceride levels, but the mechanisms are elusive. Soluble dipeptidyl peptidase-4 (sDPP-4) and adenosine deaminase (ADA) are involved in the initiation and/or progression of cardiometabolic disorders. We therefore, hypothesized that increased DPP-4 and ADA activities are involved in glucose deregulation and hepatic triglyceride accumulation induced by COC treatment. This study also investigated whether short-chain fatty acid, acetate, would protect against COC-induced dysmetabolic effects. Female Wistar rats received (p.o.) vehicle and COC (1.0 μg ethinylestradiol plus 5.0 μg levonorgestrel) with or without sodium acetate (ACE; 200 mg) for 8 weeks. Treatment with COC led to increased plasma triglyceride-glucose index, 1-h postload glucose response, insulin, free fatty acid, insulin resistance, and impaired glucose tolerance. COC treatment also resulted in increased plasma and hepatic triglycerides (TG), TG/HDL-cholesterol ratio, malondialdehyde, uric acid, lactate dehydrogenase, DPP-4, ADA, and xanthine oxidase (XO) activities. On the other hand, COC led to reduction in nitric oxide level. However, ACE significantly ameliorated the alterations induced by COC treatment, but XO activity remains elevated during COC treatment. This result also demonstrates that increased DPP-4 and ADA activities are at least in part involved in glucose deregulation and hepatic TG accumulation induced by COC treatment. Therefore, sodium acetate would impact positively on cardiometabolic disorders, at least in part, by inhibition of DPP-4 and ADA activities.
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141
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Zhuang P, Shou Q, Wang W, He L, Wang J, Chen J, Zhang Y, Jiao J. Essential Fatty Acids Linoleic Acid and α-Linolenic Acid Sex-Dependently Regulate Glucose Homeostasis in Obesity. Mol Nutr Food Res 2018; 62:e1800448. [PMID: 29935107 DOI: 10.1002/mnfr.201800448] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Revised: 05/17/2018] [Indexed: 01/19/2023]
Abstract
SCOPE To assess the associations of dietary linoleic acid (LA) and α-linolenic acid (ALA) with type 2 diabetes (T2D) risk in a population-based cohort and further explore the mechanism of action in a high-fat-diet (HFD) induced obese (DIO) mouse model. METHODS AND RESULTS The occurrence of T2D among 15 100 Chinese adults from China Health and Nutrition Survey (CHNS, 1997-2011) were followed up for a median of 14 years. The relations of ALA and LA intakes with T2D risk were modified by BMI, with significant associations restricted to obese/overweight subjects. Among them, relative risks (95% confidence intervals) comparing extreme quartiles of intakes were 0.55 (0.32-0.93) in men and 0.53 (0.34-0.85) in women for ALA, while 0.71 (0.41-1.16) in men and 0.56 (0.36-0.89) in women for LA. DIO mice were fed with LA- or ALA-enriched HFD (0.2% wt wt-1 ) for 15 weeks and then significant sex-dependent changes of gut microbiota were detected. Endotoxemia, systematic and adipose inflammation were relieved in ALA-fed male and LA-fed female mice. CONCLUSIONS Long-term intake of LA (for women) and ALA may have a protective effect on T2D development for obese/overweight subjects through sex-specific gut microbiota modulation and gut-adipose axis.
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Affiliation(s)
- Pan Zhuang
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang University, Hangzhou 310058, Zhejiang, China
| | - Qiyang Shou
- Experimental Animal Research Center & Institute of Comparative Medicine, Zhejiang Chinese Medical University, Hangzhou 310051, Zhejiang, China
| | - Wenqiao Wang
- Department of Nutrition, School of Public Health, Zhejiang University School of Medicine, Hangzhou 310058, Zhejiang, China
| | - Lilin He
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang University, Hangzhou 310058, Zhejiang, China
| | - Jun Wang
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang University, Hangzhou 310058, Zhejiang, China
| | - Jingnan Chen
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang University, Hangzhou 310058, Zhejiang, China
| | - Yu Zhang
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang University, Hangzhou 310058, Zhejiang, China
| | - Jingjing Jiao
- Department of Nutrition, School of Public Health, Zhejiang University School of Medicine, Hangzhou 310058, Zhejiang, China
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142
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Lemaire M, Dou S, Cahu A, Formal M, Le Normand L, Romé V, Nogret I, Ferret-Bernard S, Rhimi M, Cuinet I, Canlet C, Tremblay-Franco M, Le Ruyet P, Baudry C, Gérard P, Le Huërou-Luron I, Blat S. Addition of dairy lipids and probiotic Lactobacillus fermentum in infant formula programs gut microbiota and entero-insular axis in adult minipigs. Sci Rep 2018; 8:11656. [PMID: 30076313 PMCID: PMC6076243 DOI: 10.1038/s41598-018-29971-w] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 07/23/2018] [Indexed: 02/08/2023] Open
Abstract
Clinical and animal studies have demonstrated beneficial effects of early consumption of dairy lipids and a probiotic, Lactobacillus fermentum (Lf), on infant gut physiology. The objective of this study was to investigate their long-term effects on gut microbiota and host entero-insular axis and metabolism. Piglets were suckled with a milk formula containing only plant lipids (PL), a half-half mixture of plant lipids and dairy lipids (DL), or this mixture supplemented with Lf (DL + Lf). They were weaned on a standard diet and challenged with a high-energy diet until postnatal day 140. DL and DL + Lf modulated gut microbiota composition and metabolism, increasing abundance of several Clostridia genera. Moreover, DL + Lf specifically decreased the faecal content of 2-oxoglutarate and lysine compared to PL and 5-aminovalerate compared to PL and DL. It also increased short-chain fatty acid concentrations like propionate compared to DL. Furthermore, DL + Lf had a beneficial effect on the endocrine function, enhancing caecal GLP-1 and GLP-1 meal-stimulated secretion. Correlations highlighted the consistent relationship between microbiota and gut physiology. Together, our results evidence a beneficial programming effect of DL + Lf in infant formula composition on faecal microbiota and entero-insular axis function.
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Affiliation(s)
- Marion Lemaire
- INRA, INSERM, Univ Rennes, Nutrition Metabolisms and Cancer, NuMeCan, Rennes, France
- Lactalis R&D, Retiers, France
| | - Samir Dou
- PEGASE, INRA, Agrocampus Ouest, Saint-Gilles, France
| | - Armelle Cahu
- INRA, INSERM, Univ Rennes, Nutrition Metabolisms and Cancer, NuMeCan, Rennes, France
| | - Michèle Formal
- INRA, INSERM, Univ Rennes, Nutrition Metabolisms and Cancer, NuMeCan, Rennes, France
| | - Laurence Le Normand
- INRA, INSERM, Univ Rennes, Nutrition Metabolisms and Cancer, NuMeCan, Rennes, France
| | - Véronique Romé
- INRA, INSERM, Univ Rennes, Nutrition Metabolisms and Cancer, NuMeCan, Rennes, France
| | - Isabelle Nogret
- INRA, INSERM, Univ Rennes, Nutrition Metabolisms and Cancer, NuMeCan, Rennes, France
| | | | - Moez Rhimi
- Micalis, INRA, AgroParisTech, Univ Paris-Saclay, Jouy-en-Josas, France
| | | | - Cécile Canlet
- Toxalim, INRA, Univ Toulouse, ENVT, INP-Purpan, UPS, PF MetaToul-AXIOM, Toulouse, France
| | - Marie Tremblay-Franco
- Toxalim, INRA, Univ Toulouse, ENVT, INP-Purpan, UPS, PF MetaToul-AXIOM, Toulouse, France
| | | | | | - Philippe Gérard
- Micalis, INRA, AgroParisTech, Univ Paris-Saclay, Jouy-en-Josas, France
| | | | - Sophie Blat
- INRA, INSERM, Univ Rennes, Nutrition Metabolisms and Cancer, NuMeCan, Rennes, France.
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143
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Fukui H, Xu X, Miwa H. Role of Gut Microbiota-Gut Hormone Axis in the Pathophysiology of Functional Gastrointestinal Disorders. J Neurogastroenterol Motil 2018; 24:367-386. [PMID: 29969855 PMCID: PMC6034676 DOI: 10.5056/jnm18071] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 05/21/2018] [Indexed: 12/13/2022] Open
Abstract
Gut microbiota exert a pivotal influence on various functions including gastrointestinal (GI) motility, metabolism, nutrition, immunity, and the neuroendocrine system in the host. These effects are mediated by not only short-chain fatty acids produced by microbiota but also gut hormones and inflammatory signaling by enteroendocrine and immune cells under the influence of the microbiota. GI motility is orchestrated by the enteric nervous system and hormonal networks, and disturbance of GI motility plays an important role in the pathophysiology of functional gastrointestinal disorders (FGIDs). In this context, microbiota-associated mediators are considered to act on specific receptors, thus affecting the enteric nervous system and, subsequently, GI motility. Thus, the pathophysiology of FGIDs is based on alterations of the gut microbiota/gut hormone axis, which have crucial effects on GI motility.
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Affiliation(s)
- Hirokazu Fukui
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Mukogawa, Nishinomiya,
Japan
| | - Xin Xu
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Mukogawa, Nishinomiya,
Japan
- Department of Digestive Diseases, Tianjin Medical University General Hospital, Tianjin,
China
| | - Hiroto Miwa
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Mukogawa, Nishinomiya,
Japan
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144
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Cao T, Zhang X, Chen D, Zhang P, Li Q, Muhammad A. The epigenetic modification during the induction of Foxp3 with sodium butyrate. Immunopharmacol Immunotoxicol 2018; 40:309-318. [DOI: 10.1080/08923973.2018.1480631] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Tengli Cao
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Xiuxiu Zhang
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Dingding Chen
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Peiyan Zhang
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Qing Li
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Abbas Muhammad
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
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145
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Christiansen CB, Gabe MBN, Svendsen B, Dragsted LO, Rosenkilde MM, Holst JJ. The impact of short-chain fatty acids on GLP-1 and PYY secretion from the isolated perfused rat colon. Am J Physiol Gastrointest Liver Physiol 2018; 315:G53-G65. [PMID: 29494208 DOI: 10.1152/ajpgi.00346.2017] [Citation(s) in RCA: 212] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The colonic epithelium harbors a large number of endocrine cells, but little is known about the endocrine functions of the colon. However, the high density of glucagon like peptide-1 (GLP-1)- and peptide-YY (PYY)-secreting L cells is of great interest because of the potential antidiabetic and antiobesity effects of GLP-1 and PYY. Short-chain fatty acids (SCFAs) produced by local bacterial fermentation are suggested to activate the colonic free fatty acid receptors FFAR2 (GPR43) and FFAR3 (GPR41), stimulating the colonic L cells. We used the isolated perfused rat colon as a model of colonic endocrine secretion and studied the effects of the predominant SCFAs formed: acetate, propionate, and butyrate. We show that luminal and especially vascular infusion of acetate and butyrate significantly increases colonic GLP-1 secretion, and to a minor extent also PYY secretion, but only after enhancement of intracellular cAMP. Propionate neither affected GLP-1 nor PYY secretion whether administered luminally or vascularly. A FFAR2- and FFAR3-specific agonist [( S)-2-(4-chlorophenyl)-3,3-dimethyl- N-(5-phenylthiazol-2-yl)butamide (CFMB)/ AR420626 ] had no effect on colonic GLP-1 output, and a FFAR3 antagonist ( AR399519 ) did not decrease the SCFA-induced GLP-1 response. However, the voltage-gated Ca2+-channel blocker nifedipine, the KATP-channel opener diazoxide, and the ATP synthesis inhibitor 2,4-dinitrophenol completely abolished the responses. FFAR2 receptor studies confirmed low-potent partial agonism of acetate, propionate, and butyrate, compared with CFMB, which is a full agonist with ~750-fold higher potency than the SCFAs. In conclusion, SCFAs may increase colonic GLP-1/PYY secretion, but FFAR2/FFAR3 do not seem to be involved. Rather, SCFAs are metabolized and appear to function as a colonocyte energy source. NEW & NOTEWORTHY By the use of in situ isolated perfused rat colon we show that short-chain fatty acids (SCFAs) primarily are used as a colonocyte energy source in the rat, subsequently triggering glucagon like peptide-1 (GLP-1) secretion independent of the free fatty acid receptors FFAR2 and FFAR3. Opposite many previous studies on SCFAs and FFAR2/FFAR3 and GLP-1 secretion, this experimental model allows investigation of the physiological interactions between luminal nutrients and secretion from cells whose function depend critically on their blood supply as well as nerve and paracrine interactions.
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Affiliation(s)
- Charlotte Bayer Christiansen
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen , Copenhagen , Denmark.,Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen , Copenhagen , Denmark
| | - Maria Buur Nordskov Gabe
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen , Copenhagen , Denmark
| | - Berit Svendsen
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen , Copenhagen , Denmark.,Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen , Copenhagen , Denmark
| | - Lars Ove Dragsted
- Department of Nutrition, Exercise and Sports, University of Copenhagen , Copenhagen , Denmark
| | - Mette Marie Rosenkilde
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen , Copenhagen , Denmark
| | - Jens Juul Holst
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen , Copenhagen , Denmark.,Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen , Copenhagen , Denmark
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146
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Priyadarshini M, Kotlo KU, Dudeja PK, Layden BT. Role of Short Chain Fatty Acid Receptors in Intestinal Physiology and Pathophysiology. Compr Physiol 2018; 8:1091-1115. [PMID: 29978895 DOI: 10.1002/cphy.c170050] [Citation(s) in RCA: 131] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Nutrient sensing is a mechanism for organisms to sense their environment. In larger animals, including humans, the intestinal tract is a major site of nutrient sensing for the body, not surprisingly, as this is the central location where nutrients are absorbed. In the gut, bacterial fermentation results in generation of short chain fatty acids (SCFAs), a class of nutrients, which are sensed by specific membrane bound receptors, FFA2, FFA3, GPR109a, and Olfr78. These receptors are expressed uniquely throughout the gut and signal through distinct mechanisms. To date, the emerging data suggests a role of these receptors in normal and pathological conditions. The overall function of these receptors is to regulate aspects of intestinal motility, hormone secretion, maintenance of the epithelial barrier, and immune cell function. Besides in intestinal health, a prominent role of these receptors has emerged in modulation of inflammatory and immune responses during pathological conditions. Moreover, these receptors are being revealed to interact with the gut microbiota. This review article updates the current body of knowledge on SCFA sensing receptors in the gut and their roles in intestinal health and disease as well as in whole body energy homeostasis. © 2017 American Physiological Society. Compr Physiol 8:1091-1115, 2018.
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Affiliation(s)
- Medha Priyadarshini
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois at Chicago, Illinois, USA
| | - Kumar U Kotlo
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois at Chicago, Illinois, USA
| | - Pradeep K Dudeja
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Illinois at Chicago, Illinois, USA.,Jesse Brown Veterans Affairs Medical Center, Chicago, Illinois, USA
| | - Brian T Layden
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois at Chicago, Illinois, USA.,Jesse Brown Veterans Affairs Medical Center, Chicago, Illinois, USA
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147
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Li S, Shao Y, Li K, HuangFu C, Wang W, Liu Z, Cai Z, Zhao B. Vascular Cognitive Impairment and the Gut Microbiota. J Alzheimers Dis 2018; 63:1209-1222. [PMID: 29689727 DOI: 10.3233/jad-171103] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Sinian Li
- Department of Neurology, Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Institute of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Yiming Shao
- The Intensive Care Unit, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Kanglan Li
- Department of Neurology, Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Institute of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Changmei HuangFu
- Department of Gerontology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Wenjie Wang
- Department of Neurosurgery, The Central Hospital of Longhua District, Shenzhen, China
| | - Zhou Liu
- Department of Neurology, Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Institute of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Zhiyou Cai
- Department of Neurology, Chongqing General Hospital, Chongqing, China
| | - Bin Zhao
- Department of Neurology, Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Institute of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
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148
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Longevity extension in Drosophila through gut-brain communication. Sci Rep 2018; 8:8362. [PMID: 29849035 PMCID: PMC5976768 DOI: 10.1038/s41598-018-25382-z] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 04/12/2018] [Indexed: 02/06/2023] Open
Abstract
Aging and chronic disease development are multifactorial processes involving the cumulative effects of metabolic distress, inflammation, oxidative stress and mitochondrial dynamics. Recently, variations in the gut microbiota have been associated with age-related phenotypes and probiotics have shown promise in managing chronic disease progression. In this study, novel probiotic and synbiotic formulations are shown to combinatorially extend longevity in male Drosophila melanogaster through mechanisms of gut-brain-axis communication with implications in chronic disease management. Both the probiotic and synbiotic formulations rescued markers of metabolic stress by managing insulin resistance and energy regulatory pathways. Both formulations also ameliorated elevations in inflammation, oxidative stress and the loss of mitochondrial complex integrity. In almost all the measured pathways, the synbiotic formulation has a more robust impact than its individual components insinuating its combinatorial effect. The concomitant action of the gut microbiota on each of the key risk factors of aging and makes it a powerful therapeutic tool against neurodegeneration, diabetes, obesity, cardiovascular disease and other age-related chronic diseases.
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149
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Li D, Wang P, Wang P, Hu X, Chen F. Gut microbiota promotes production of aromatic metabolites through degradation of barley leaf fiber. J Nutr Biochem 2018; 58:49-58. [PMID: 29879614 DOI: 10.1016/j.jnutbio.2018.05.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 03/05/2018] [Accepted: 05/04/2018] [Indexed: 01/02/2023]
Abstract
Barley leaf (BL) contains abundant plant fibers, which are important substrates for the metabolism and degradation by the gut microbiota. Here we show that mice fed a diet supplemented with BL exhibited altered gut bacterial composition characterized by the enrichment of fiber-degrading bacteria Lachnospiraceae and Prevotella. Gut microbiota-mediated BL degradation promoted butyrate and propionate production. Metabolomic analysis showed increased aromatic metabolites such as ferulic acid, 3-phenylpropanoic acid, 3-hydroxyphenylacetic acid and 3-hydroxyphenylpropionic acid in feces of mice fed with BL. Finally, antibiotic treatment and anaerobic fermentation confirmed the obligate role of gut microbiota in the production of aromatic metabolites during BL degradation. Together, these findings provide insights into a gut microbiota-mediated degradation process of BL fiber components, which results in the production of microbial-associated metabolites that may exert potential active effects on host physiology.
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Affiliation(s)
- Daotong Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, National Engineering Research Center for Fruit and Vegetable Processing, Key Laboratory of Fruits and Vegetables Processing, Ministry of Agriculture; Engineering Research Centre for Fruits and Vegetables Processing, Ministry of Education, China Agricultural University, Beijing 100083, China
| | - Pan Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, National Engineering Research Center for Fruit and Vegetable Processing, Key Laboratory of Fruits and Vegetables Processing, Ministry of Agriculture; Engineering Research Centre for Fruits and Vegetables Processing, Ministry of Education, China Agricultural University, Beijing 100083, China
| | - Pengpu Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, National Engineering Research Center for Fruit and Vegetable Processing, Key Laboratory of Fruits and Vegetables Processing, Ministry of Agriculture; Engineering Research Centre for Fruits and Vegetables Processing, Ministry of Education, China Agricultural University, Beijing 100083, China
| | - Xiaosong Hu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, National Engineering Research Center for Fruit and Vegetable Processing, Key Laboratory of Fruits and Vegetables Processing, Ministry of Agriculture; Engineering Research Centre for Fruits and Vegetables Processing, Ministry of Education, China Agricultural University, Beijing 100083, China
| | - Fang Chen
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, National Engineering Research Center for Fruit and Vegetable Processing, Key Laboratory of Fruits and Vegetables Processing, Ministry of Agriculture; Engineering Research Centre for Fruits and Vegetables Processing, Ministry of Education, China Agricultural University, Beijing 100083, China.
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150
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Abstract
Early nutrition may have long-lasting metabolic impacts in adulthood. Even though breast milk is the gold standard, most infants are at least partly formula-fed. Despite obvious improvements, infant formulas remain perfectible to reduce the gap between breastfed and formula-fed infants. Improvements such as reducing the protein content, modulating the lipid matrix and adding prebiotics, probiotics and synbiotics, are discussed regarding metabolic health. Numerous questions remain to be answered on how impacting the infant formula composition may modulate the host metabolism and exert long-term benefits. Interactions between early nutrition (composition of human milk and infant formula) and the gut microbiota profile, as well as mechanisms connecting gut microbiota to metabolic health, are highlighted. Gut microbiota stands as a key actor in the nutritional programming but additional well-designed longitudinal human studies are needed.
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