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Braga JD, Thongngam M, Kumrungsee T. Gamma-aminobutyric acid as a potential postbiotic mediator in the gut-brain axis. NPJ Sci Food 2024; 8:16. [PMID: 38565567 PMCID: PMC10987602 DOI: 10.1038/s41538-024-00253-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 02/01/2024] [Indexed: 04/04/2024] Open
Abstract
Gamma-aminobutyric acid (GABA) plays a crucial role in the central nervous system as an inhibitory neurotransmitter. Imbalances of this neurotransmitter are associated with neurological diseases, such as Alzheimer's and Parkinson's disease, and psychological disorders, including anxiety, depression, and stress. Since GABA has long been believed to not cross the blood-brain barrier, the effects of circulating GABA on the brain are neglected. However, emerging evidence has demonstrated that changes in both circulating and brain levels of GABA are associated with changes in gut microbiota composition and that changes in GABA levels and microbiota composition play a role in modulating mental health. This recent research has raised the possibility that GABA may be a potent mediator of the gut-brain axis. This review article will cover up-to-date information about GABA-producing microorganisms isolated from human gut and food sources, explanation why those microorganisms produce GABA, food factors inducing gut-GABA production, evidence suggesting GABA as a mediator linking between gut microbiota and mental health, including anxiety, depression, stress, epilepsy, autism spectrum disorder, and attention deficit hyperactivity disorder, and novel information regarding homocarnosine-a predominant brain peptide that is a putative downstream mediator of GABA in regulating brain functions. This review will help us to understand how the gut microbiota and GABA-homocarnosine metabolism play a significant role in brain functions. Nonetheless, it could support further research on the use of GABA production-inducing microorganisms and food factors as agents to treat neurological and psychological disorders.
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Affiliation(s)
- Jason D Braga
- Laboratory of Molecular Nutrition, Graduate School of Integrated Sciences for Life, Hiroshima University, Hiroshima, 739-8527, Japan
- Institute of Food Science and Technology, College of Agriculture, Food, Environment and Natural Resources, Cavite State University, Indang, Cavite, 4122, Philippines
| | - Masubon Thongngam
- Department of Food Science and Technology, Faculty of Agro-Industry, Kasetsart University, Bangkok, 10900, Thailand
| | - Thanutchaporn Kumrungsee
- Laboratory of Molecular Nutrition, Graduate School of Integrated Sciences for Life, Hiroshima University, Hiroshima, 739-8527, Japan.
- Smart Agriculture, Graduate School of Innovation and Practice for Smart Society, Hiroshima University, Hiroshima, 739-8527, Japan.
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van de Wouw M, Wang Y, Workentine ML, Vaghef-Mehrabani E, Barth D, Mercer EM, Dewey D, Arrieta MC, Reimer RA, Tomfohr-Madsen L, Giesbrecht GF. Cluster-specific associations between the gut microbiota and behavioral outcomes in preschool-aged children. MICROBIOME 2024; 12:60. [PMID: 38515179 PMCID: PMC10956200 DOI: 10.1186/s40168-024-01773-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 01/31/2024] [Indexed: 03/23/2024]
Abstract
BACKGROUND The gut microbiota is recognized as a regulator of brain development and behavioral outcomes during childhood. Nonetheless, associations between the gut microbiota and behavior are often inconsistent among studies in humans, perhaps because many host-microbe relationships vary widely between individuals. This study aims to stratify children based on their gut microbiota composition (i.e., clusters) and to identify novel gut microbiome cluster-specific associations between the stool metabolomic pathways and child behavioral outcomes. METHODS Stool samples were collected from a community sample of 248 typically developing children (3-5 years). The gut microbiota was analyzed using 16S sequencing while LC-MS/MS was used for untargeted metabolomics. Parent-reported behavioral outcomes (i.e., Adaptive Skills, Internalizing, Externalizing, Behavioral Symptoms, Developmental Social Disorders) were assessed using the Behavior Assessment System for Children (BASC-2). Children were grouped based on their gut microbiota composition using the Dirichlet multinomial method, after which differences in the metabolome and behavioral outcomes were investigated. RESULTS Four different gut microbiota clusters were identified, where the cluster enriched in both Bacteroides and Bifidobacterium (Ba2) had the most distinct stool metabolome. The cluster characterized by high Bifidobacterium abundance (Bif), as well as cluster Ba2, were associated with lower Adaptive Skill scores and its subcomponent Social Skills. Cluster Ba2 also had significantly lower stool histidine to urocanate turnover, which in turn was associated with lower Social Skill scores in a cluster-dependent manner. Finally, cluster Ba2 had increased levels of compounds involved in Galactose metabolism (i.e., stachyose, raffinose, alpha-D-glucose), where alpha-D-glucose was associated with the Adaptive Skill subcomponent Daily Living scores (i.e., ability to perform basic everyday tasks) in a cluster-dependent manner. CONCLUSIONS These data show novel associations between the gut microbiota, its metabolites, and behavioral outcomes in typically developing preschool-aged children. Our results support the concept that cluster-based groupings could be used to develop more personalized interventions to support child behavioral outcomes. Video Abstract.
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Affiliation(s)
- Marcel van de Wouw
- Department of Pediatrics, University of Calgary, Calgary, Alberta, Canada
| | - Yanan Wang
- Department of Pediatrics, University of Calgary, Calgary, Alberta, Canada
- Microbiomes for One Systems Health, Health & Biosecurity, CSIRO, Adelaide, SA, Australia
| | - Matthew L Workentine
- Faculty of Veterinary Medicine, UCVM Bioinformatics, University of Calgary, Calgary, Alberta, Canada
| | - Elnaz Vaghef-Mehrabani
- Department of Pediatrics, University of Calgary, Calgary, Alberta, Canada
- Alberta Children's Hospital Research Institute (ACHRI), University of Calgary, Calgary, Alberta, Canada
| | - Delaney Barth
- Department of Pediatrics, University of Calgary, Calgary, Alberta, Canada
| | - Emily M Mercer
- Department of Pediatrics, University of Calgary, Calgary, Alberta, Canada
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB, Canada
- International Microbiome Centre, University of Calgary, Calgary, Alberta, Canada
| | - Deborah Dewey
- Department of Pediatrics, University of Calgary, Calgary, Alberta, Canada
- Alberta Children's Hospital Research Institute (ACHRI), University of Calgary, Calgary, Alberta, Canada
- Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
- Hotchkiss Brain Institute (HBI), University of Calgary, Calgary, Alberta, Canada
| | - Marie-Claire Arrieta
- Department of Pediatrics, University of Calgary, Calgary, Alberta, Canada
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB, Canada
- International Microbiome Centre, University of Calgary, Calgary, Alberta, Canada
| | - Raylene A Reimer
- Alberta Children's Hospital Research Institute (ACHRI), University of Calgary, Calgary, Alberta, Canada
- Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Alberta, Canada
| | - Lianne Tomfohr-Madsen
- Department of Pediatrics, University of Calgary, Calgary, Alberta, Canada
- Department of Psychology, University of Calgary, Calgary, Alberta, Canada
- Alberta Children's Hospital Research Institute (ACHRI), University of Calgary, Calgary, Alberta, Canada
- Faculty of Education, University of British Columbia, Vancouver, British Columbia, Canada
| | - Gerald F Giesbrecht
- Department of Pediatrics, University of Calgary, Calgary, Alberta, Canada.
- Department of Psychology, University of Calgary, Calgary, Alberta, Canada.
- Alberta Children's Hospital Research Institute (ACHRI), University of Calgary, Calgary, Alberta, Canada.
- Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada.
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3
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Amin U, Jiang R, Raza SM, Fan M, Liang L, Feng N, Li X, Yang Y, Guo F. Gut-joint axis: Oral Probiotic ameliorates Osteoarthritis. J Tradit Complement Med 2024; 14:26-39. [PMID: 38223812 PMCID: PMC10785157 DOI: 10.1016/j.jtcme.2023.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 03/10/2023] [Accepted: 06/13/2023] [Indexed: 01/16/2024] Open
Abstract
Osteoarthritis (OA) etiology is multifactorial, and its prevalence is growing globally. The Gut microbiota shapes our immune system and impacts all aspects of health and disease. The idea of utilizing probiotics to treat different conditions prevails. Concerning musculoskeletal illness and health, current data lack the link to understand the interactions between the host and microbiome. We report that S. thermophilus, L. pentosus (as probiotics), and γ-aminobutyric acid (GABA) harbour against osteoarthritis in vivo and alleviate IL-1β induced changes in chondrocytes in vitro. We examined the increased GABA concentration in mice's serum and small intestine content followed by bacterial treatment. The treatment inhibited the catabolism of cartilage and rescued mice joints from degradation. Furthermore, the anabolic markers upregulated and decreased inflammatory markers in mice knee joints and chondrocytes. This study is the first to represent GABA's chondrogenic and chondroprotective effects on joints and human chondrocytes. This data provides a foundation for future studies to elucidate the role of GABA in regulating chondrocyte cell proliferation. These findings opened future horizons to understanding the gut-joint axis and OA treatment. Thus, probiotic/GABA therapy shields OA joints in mice and could at least serve as adjuvant therapy to treat osteoarthritis.
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Affiliation(s)
- Uzma Amin
- Laboratory of Developmental Biology, Department of Cell Biology and Genetics, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, China
- Department of Microbiology, Government College University, Faisalabad, 38000, Punjab, Pakistan
| | - Rong Jiang
- Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, 400016, China
| | - Shahid Masood Raza
- School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
- Department of Microbiology, Government College University, Faisalabad, 38000, Punjab, Pakistan
| | - Mengtian Fan
- Laboratory of Developmental Biology, Department of Cell Biology and Genetics, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, China
| | - Li Liang
- Laboratory of Developmental Biology, Department of Cell Biology and Genetics, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, China
| | - Naibo Feng
- Laboratory of Developmental Biology, Department of Cell Biology and Genetics, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, China
| | - Xiaoli Li
- Laboratory of Developmental Biology, Department of Cell Biology and Genetics, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, China
| | - Yuyou Yang
- Laboratory of Developmental Biology, Department of Cell Biology and Genetics, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, China
| | - Fengjin Guo
- Laboratory of Developmental Biology, Department of Cell Biology and Genetics, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, China
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Jia X, Chen Q, Zhang Y, Asakawa T. Multidirectional associations between the gut microbiota and Parkinson's disease, updated information from the perspectives of humoral pathway, cellular immune pathway and neuronal pathway. Front Cell Infect Microbiol 2023; 13:1296713. [PMID: 38173790 PMCID: PMC10762314 DOI: 10.3389/fcimb.2023.1296713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 11/27/2023] [Indexed: 01/05/2024] Open
Abstract
The human gastrointestinal tract is inhabited by a diverse range of microorganisms, collectively known as the gut microbiota, which form a vast and complex ecosystem. It has been reported that the microbiota-gut-brain axis plays a crucial role in regulating host neuroprotective function. Studies have shown that patients with Parkinson's disease (PD) have dysbiosis of the gut microbiota, and experiments involving germ-free mice and fecal microbiota transplantation from PD patients have revealed the pathogenic role of the gut microbiota in PD. Interventions targeting the gut microbiota in PD, including the use of prebiotics, probiotics, and fecal microbiota transplantation, have also shown efficacy in treating PD. However, the causal relationship between the gut microbiota and Parkinson's disease remains intricate. This study reviewed the association between the microbiota-gut-brain axis and PD from the perspectives of humoral pathway, cellular immune pathway and neuronal pathway. We found that the interactions among gut microbiota and PD are very complex, which should be "multidirectional", rather than conventionally regarded "bidirectional". To realize application of the gut microbiota-related mechanisms in the clinical setting, we propose several problems which should be addressed in the future study.
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Affiliation(s)
- Xiaokang Jia
- School of Traditional Chinese Medicine, Hainan Medical University, Haikou, Hainan, China
| | - Qiliang Chen
- School of Basic Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Yuanyuan Zhang
- Department of Acupuncture and Moxibustion, The Affiliated Traditional Chinese Medicine (TCM) Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Tetsuya Asakawa
- Institute of Neurology, National Clinical Research Center for Infectious Diseases, the Third People’s Hospital of Shenzhen, Shenzhen, Guangdong, China
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Cerdó T, Ruiz-Rodríguez A, Acuña I, Torres-Espínola FJ, Menchén-Márquez S, Gámiz F, Gallo M, Jehmlich N, Haange SB, von Bergen M, Campoy C, Suárez A. Infant gut microbiota contributes to cognitive performance in mice. Cell Host Microbe 2023; 31:1974-1988.e4. [PMID: 38052208 DOI: 10.1016/j.chom.2023.11.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 09/26/2023] [Accepted: 11/07/2023] [Indexed: 12/07/2023]
Abstract
Gut microbiota has been linked to infant neurodevelopment. Here, an association between infant composite cognition and gut microbiota composition is established as soon as 6 months. Higher diversity and evenness characterize microbial communities of infants with composite cognition above (Inf-aboveCC) versus below (Inf-belowCC) median values. Metaproteomic and metabolomic analyses establish an association between microbial histidine ammonia lyase and infant histidine metabolome with cognition. Fecal transplantation from Inf-aboveCC versus Inf-belowCC donors into germ-free mice shows that memory, assessed by a novel object recognition test, is a transmissible trait. Furthermore, Inf-aboveCC mice are enriched in species belonging to Phocaeicola, as well as Bacteroides and Bifidobacterium, previously linked to cognition. Finally, Inf-aboveCC mice show lower fecal histidine and urocanate:histidine and urocanate:glutamate ratios in the perirhinal cortex compared to Inf-belowCC mice. Overall, these findings reveal a causative role of gut microbiota on infant cognition, pointing at the modulation of histidine metabolite levels as a potential underlying mechanism.
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Affiliation(s)
- Tomás Cerdó
- Maimonides Biomedical Research Institute of Córdoba (IMIBIC), Reina Sofia University Hospital, University of Córdoba, 14004 Córdoba, Spain; Centre for Rheumatology Research, Division of Medicine, University College London, London WC1E 6JF, UK
| | - Alicia Ruiz-Rodríguez
- Department of Biochemistry and Molecular Biology 2, Nutrition and Food Technology Institute "José Mataix" (INYTA), Biomedical Research Centre (CIBM), University of Granada, 18016 Granada, Spain; Department of Microbiology, Nutrition and Food Technology Institute "José Mataix" (INYTA), Biomedical Research Centre (CIBM), University of Granada, 18016 Granada, Spain.
| | - Inmaculada Acuña
- Department of Biochemistry and Molecular Biology 2, Nutrition and Food Technology Institute "José Mataix" (INYTA), Biomedical Research Centre (CIBM), University of Granada, 18016 Granada, Spain
| | - Francisco José Torres-Espínola
- EURISTIKOS Excellence Centre for Pediatric Research, Institute of Neurosciences, Biomedical Research Centre (CIBM), University of Granada, 18016 Granada, Spain
| | - Sergio Menchén-Márquez
- Department of Psychobiology, Institute of Neurosciences, Biomedical Research Centre (CIBM), University of Granada, 18016 Granada, Spain
| | - Fernando Gámiz
- Department of Psychobiology, Institute of Neurosciences, Biomedical Research Centre (CIBM), University of Granada, 18016 Granada, Spain
| | - Milagros Gallo
- Department of Psychobiology, Institute of Neurosciences, Biomedical Research Centre (CIBM), University of Granada, 18016 Granada, Spain; Instituto de Investigación Biosanitaria (IBS), 18014 Granada, Spain
| | - Nico Jehmlich
- Department of Molecular System Biology, Helmholtz Centre for Environmental Research-UFZ, Permoserstraße 15, 04318 Leipzig, Germany
| | - Sven-Bastiaan Haange
- Department of Molecular System Biology, Helmholtz Centre for Environmental Research-UFZ, Permoserstraße 15, 04318 Leipzig, Germany
| | - Martin von Bergen
- Department of Molecular System Biology, Helmholtz Centre for Environmental Research-UFZ, Permoserstraße 15, 04318 Leipzig, Germany
| | - Cristina Campoy
- EURISTIKOS Excellence Centre for Pediatric Research, Institute of Neurosciences, Biomedical Research Centre (CIBM), University of Granada, 18016 Granada, Spain; Instituto de Investigación Biosanitaria (IBS), 18014 Granada, Spain; Department of Pediatrics, School of Medicine, University of Granada, 18016 Granada, Spain
| | - Antonio Suárez
- Department of Biochemistry and Molecular Biology 2, Nutrition and Food Technology Institute "José Mataix" (INYTA), Biomedical Research Centre (CIBM), University of Granada, 18016 Granada, Spain
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6
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Liu Z, Mu C, Zhu W. Metagenomics-based inference of microbial metabolism towards neuroactive amino acids and the response to antibiotics in piglet colon. Amino Acids 2023; 55:1333-1347. [PMID: 37581868 DOI: 10.1007/s00726-023-03311-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 07/30/2023] [Indexed: 08/16/2023]
Abstract
Gut-derived neuroactive metabolites from amino acids perform a broad range of physiological roles in the body. However, the interaction between microbiota and epithelium in the metabolism of amino acids with neuroactive properties remains unclear in the colon of piglets. To investigate the microbial and epithelial metabolism, metagenomics and mucosal metabolomics were performed using colonic samples from 12 ileum-canulated piglets subjected to a 25-day infusion with saline or antibiotics. We categorized 23 metabolites derived from the metabolism of tryptophan, glutamate, and tyrosine, known as precursors of neuroactive metabolites. Microbial enzymes involved in the kynurenine synthesis via arylformamidase, 4-aminobutyric acid (GABA) synthesis via putrescine aminotransferase, and tyramine synthesis via tyrosine decarboxylase were identified in Clostridiales bacterium, uncultured Blautia sp., and Methanobrevibacter wolinii, respectively. Antibiotics significantly affected the microbiota involved in tryptophan-kynurenine and glutamate-GABA metabolism. An increase in the relative abundance of putrescine aminotransferase and Blautia sp. correlated positively with an increase in luminal GABA concentration. Overall, our findings provide new insights into the microbial ability to metabolize key amino acids that are precursors of neuroactive metabolites.
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Affiliation(s)
- Ziyu Liu
- Laboratory of Gastrointestinal Microbiology, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
- National Center for International Research on Animal Gut Nutrition, National Experimental Teaching Demonstration Center of Animal Science, Nanjing Agricultural University, Nanjing, China
| | - Chunlong Mu
- Laboratory of Gastrointestinal Microbiology, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China.
- National Center for International Research on Animal Gut Nutrition, National Experimental Teaching Demonstration Center of Animal Science, Nanjing Agricultural University, Nanjing, China.
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Canada.
| | - Weiyun Zhu
- Laboratory of Gastrointestinal Microbiology, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
- National Center for International Research on Animal Gut Nutrition, National Experimental Teaching Demonstration Center of Animal Science, Nanjing Agricultural University, Nanjing, China
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Yadav H, Jaldhi, Bhardwaj R, Anamika, Bakshi A, Gupta S, Maurya SK. Unveiling the role of gut-brain axis in regulating neurodegenerative diseases: A comprehensive review. Life Sci 2023; 330:122022. [PMID: 37579835 DOI: 10.1016/j.lfs.2023.122022] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/06/2023] [Accepted: 08/10/2023] [Indexed: 08/16/2023]
Abstract
Emerging evidence have shown the importance of gut microbiota in regulating brain functions. The diverse molecular mechanisms involved in cross-talk between gut and brain provide insight into importance of this communication in maintenance of brain homeostasis. It has also been observed that disturbed gut microbiota contributes to neurological diseases such as Alzheimer's disease, Parkinson's disease, multiple sclerosis, amyotrophic lateral sclerosis and aging. Recently, gut microbiome-derived exosomes have also been reported to play an essential role in the development and progression of neurodegenerative diseases and could thereby act as a therapeutic target. Further, pharmacological interventions including antibiotics, prebiotics and probiotics can influence gut microbiome-mediated management of neurological diseases. However, extensive research is warranted to better comprehend this interconnection in maintenance of brain homeostasis and its implication in neurological diseases. Thus, the present review is aimed to provide a detailed understanding of gut-brain axis followed by possibilities to target the gut microbiome for improving neurological health.
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Affiliation(s)
- Himanshi Yadav
- Biochemistry and Molecular Biology Laboratory, Department of Zoology, Faculty of Science, University of Delhi, Delhi, India
| | - Jaldhi
- Biochemistry and Molecular Biology Laboratory, Department of Zoology, Faculty of Science, University of Delhi, Delhi, India
| | - Rati Bhardwaj
- Department of Biotechnology, Delhi Technical University, Delhi, India
| | - Anamika
- Department of Zoology, Ramjas College, University of Delhi, Delhi, India
| | - Amrita Bakshi
- Department of Zoology, Ramjas College, University of Delhi, Delhi, India
| | - Suchi Gupta
- Tech Cell Innovations Private Limited, Centre for Medical Innovation and Entrepreneurship (CMIE), All India Institute of Medical Sciences, New Delhi, India
| | - Shashank Kumar Maurya
- Biochemistry and Molecular Biology Laboratory, Department of Zoology, Faculty of Science, University of Delhi, Delhi, India.
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8
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Ullah H, Arbab S, Tian Y, Liu CQ, Chen Y, Qijie L, Khan MIU, Hassan IU, Li K. The gut microbiota-brain axis in neurological disorder. Front Neurosci 2023; 17:1225875. [PMID: 37600019 PMCID: PMC10436500 DOI: 10.3389/fnins.2023.1225875] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Accepted: 07/07/2023] [Indexed: 08/22/2023] Open
Abstract
The gut microbiota (GM) plays an important role in the physiology and pathology of the host. Microbiota communicate with different organs of the organism by synthesizing hormones and regulating body activity. The interaction of the central nervous system (CNS) and gut signaling pathways includes chemical, neural immune and endocrine routes. Alteration or dysbiosis in the gut microbiota leads to different gastrointestinal tract disorders that ultimately impact host physiology because of the abnormal microbial metabolites that stimulate and trigger different physiologic reactions in the host body. Intestinal dysbiosis leads to a change in the bidirectional relationship between the CNS and GM, which is linked to the pathogenesis of neurodevelopmental and neurological disorders. Increasing preclinical and clinical studies/evidence indicate that gut microbes are a possible susceptibility factor for the progression of neurological disorders, including Alzheimer's disease (AD), Parkinson's disease (PD), multiple sclerosis (MS) and autism spectrum disorder (ASD). In this review, we discuss the crucial connection between the gut microbiota and the central nervous system, the signaling pathways of multiple biological systems and the contribution of gut microbiota-related neurological disorders.
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Affiliation(s)
- Hanif Ullah
- Department of Nursing, West China Hospital, West China School of Nursing, Sichuan University, Chengdu, China
| | - Safia Arbab
- Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, Lanzhou, China
- Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou, China
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Yali Tian
- Department of Nursing, West China Hospital, West China School of Nursing, Sichuan University, Chengdu, China
| | - Chang-qing Liu
- Department of Nursing, West China Hospital, West China School of Nursing, Sichuan University, Chengdu, China
| | - Yuwen Chen
- Department of Nursing, West China Hospital, West China School of Nursing, Sichuan University, Chengdu, China
| | - Li Qijie
- Department of Nursing, West China Hospital, West China School of Nursing, Sichuan University, Chengdu, China
| | - Muhammad Inayat Ullah Khan
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, China
| | - Inam Ul Hassan
- Department of Microbiology, Hazara University Mansehra, Mansehra, Pakistan
| | - Ka Li
- Department of Nursing, West China Hospital, West China School of Nursing, Sichuan University, Chengdu, China
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9
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Damiani F, Cornuti S, Tognini P. The gut-brain connection: Exploring the influence of the gut microbiota on neuroplasticity and neurodevelopmental disorders. Neuropharmacology 2023; 231:109491. [PMID: 36924923 DOI: 10.1016/j.neuropharm.2023.109491] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 02/22/2023] [Accepted: 03/05/2023] [Indexed: 03/17/2023]
Abstract
Neuroplasticity refers to the ability of brain circuits to reorganize and change the properties of the network, resulting in alterations in brain function and behavior. It is traditionally believed that neuroplasticity is influenced by external stimuli, learning, and experience. Intriguingly, there is new evidence suggesting that endogenous signals from the body's periphery may play a role. The gut microbiota, a diverse community of microorganisms living in harmony with their host, may be able to influence plasticity through its modulation of the gut-brain axis. Interestingly, the maturation of the gut microbiota coincides with critical periods of neurodevelopment, during which neural circuits are highly plastic and potentially vulnerable. As such, dysbiosis (an imbalance in the gut microbiota composition) during early life may contribute to the disruption of normal developmental trajectories, leading to neurodevelopmental disorders. This review aims to examine the ways in which the gut microbiota can affect neuroplasticity. It will also discuss recent research linking gastrointestinal issues and bacterial dysbiosis to various neurodevelopmental disorders and their potential impact on neurological outcomes.
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Affiliation(s)
| | - Sara Cornuti
- Laboratory of Biology, Scuola Normale Superiore, Pisa, Italy
| | - Paola Tognini
- Laboratory of Biology, Scuola Normale Superiore, Pisa, Italy; Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy.
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Li B, Xu M, Wang Y, Feng L, Xing H, Zhang K. Gut microbiota: A new target for traditional Chinese medicine in the treatment of depression. JOURNAL OF ETHNOPHARMACOLOGY 2023; 303:116038. [PMID: 36529248 DOI: 10.1016/j.jep.2022.116038] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/20/2022] [Accepted: 12/06/2022] [Indexed: 06/17/2023]
Abstract
ETHNIC PHARMACOLOGICAL RELEVANCE The causes of depression are complex. Many factors are involved in its pathogenesis, including the individual's biological and social environment. Although numerous studies have reported that the gut microbiota plays a significant role in depression, drugs that regulate the gut microbiota to treat depression have not yet been comprehensively reviewed. At the same time, more and more attention has been paid to the characteristics of traditional Chinese medicine (TCM) in improving depression by regulating gut microbiota. In ancient times, fecal microbiota transplantation was recorded in TCM for the treatment of severe diseases. There are also records in Chinese ancient books about the use of TCM to adjust gut microbiota to treat diseases, which has opened up a unique research field in TCM. Therefore, this article focuses on the pharmacological effects, targets, and mechanisms of TCM in improving depression by mediating the influence of gut microbiota. AIM OF THIS REVIEW To summarize the role the gut microbiota plays in depression, highlight potential regulatory targets, and elucidate the anti-depression mechanisms of TCMs through regulation of the gut microbiota. METHODS A systematic review of 256 clinical trials and pharmaceutical studies published until June 2022 was conducted in eight electronic databases (Web of Science, PubMed, SciFinder, Research Gate, ScienceDirect, Google Scholar, Scopus, and China Knowledge Infrastructure), according to the implemented PRISMA criteria, using the search terms "traditional Chinese medicine," "depression," and "gut microbiota." RESULTS Numerous studies reported the effects of different gut bacteria on depression and that antidepressants work through the gut microbiota. TCM preparations based on compound Chinese medicine, the Chinese Materia Medica, and major bioactive components exerted antidepressant-like effects by improving levels of neurotransmitters, short-chain fatty acids, brain-derived neurotrophic factor, kynurenine, and cytokines via regulation of the gut microbiota. CONCLUSION This review summarized the anti-depression effects of TCM on the gut microbiota, providing evidence that TCMs are safe and effective in the treatment of depression and may provide a new therapeutic approach.
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Affiliation(s)
- Boru Li
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Meijing Xu
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Yu Wang
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Lijin Feng
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Hang Xing
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, 110016, China; Jiangsu Kanion Pharmaceutical Co, Ltd, Lianyungang, 222001, China.
| | - Kuo Zhang
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, 110016, China; Tianjin UBasio Biotechnology Group, Tianjin, 300457, China.
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11
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The microbiota-gut-brain axis in pathogenesis of depression: A narrative review. Physiol Behav 2023; 260:114056. [PMID: 36528127 DOI: 10.1016/j.physbeh.2022.114056] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 10/22/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022]
Abstract
The microbiota-gut-brain axis is a bidirectional regulatory pathway between the brain and the gastrointestinal tract, which plays an important role in maintain homeostasis. Gut microbiota could influence the behavior, cognition, stress response and others via the axis. Depression is a complex psychiatric disease, giving rise to heavy social health and economic burden. In recent years, studies have shown that the gut microbiota are closely linked to the pathophysiological processes of depression. In this article, the interaction and its underlying mechanisms between depression and gut microbiota were summarized.
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12
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Bui TI, Britt EA, Muthukrishnan G, Gill SR. Probiotic induced synthesis of microbiota polyamine as a nutraceutical for metabolic syndrome and obesity-related type 2 diabetes. Front Endocrinol (Lausanne) 2023; 13:1094258. [PMID: 36714575 PMCID: PMC9880209 DOI: 10.3389/fendo.2022.1094258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 12/16/2022] [Indexed: 01/15/2023] Open
Abstract
The gut microbiota regulates multiple facets of host metabolism and immunity through the production of signaling metabolites, such as polyamines which are small organic compounds that are essential to host cell growth and lymphocyte activation. Polyamines are most abundant in the intestinal lumen, where their synthesis by the gut microbiota is influenced by microbiome composition and host diet. Disruption of the host gut microbiome in metabolic syndrome and obesity-related type 2 diabetes (obesity/T2D) results in potential dysregulation of polyamine synthesis. A growing body of evidence suggests that restoration of the dysbiotic gut microbiota and polyamine synthesis is effective in ameliorating metabolic syndrome and strengthening the impaired immune responses of obesity/T2D. In this review, we discuss existing studies on gut microbiome determinants of polyamine synthesis, polyamine production in obesity/T2D, and evidence that demonstrates the potential of polyamines as a nutraceutical in obesity/T2D hosts.
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Affiliation(s)
- Tina I. Bui
- Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY, United States
| | - Emily A. Britt
- Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY, United States
| | - Gowrishankar Muthukrishnan
- Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY, United States
- Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY, United States
- Department of Orthopedics, University of Rochester Medical Center, Rochester, NY, United States
| | - Steven R. Gill
- Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY, United States
- Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY, United States
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13
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Ichikawa S, Abe R, Fujimoto H, Higashi K, Zang L, Nakayama H, Matsuoka I, Shimada Y. Paraburkholderia sabiae administration alters zebrafish anxiety-like behavior via gut microbial taurine metabolism. Front Microbiol 2023; 14:1079187. [PMID: 36876090 PMCID: PMC9977788 DOI: 10.3389/fmicb.2023.1079187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 01/09/2023] [Indexed: 02/18/2023] Open
Abstract
Interventions to the gut microbiome manipulate the gut-brain axis and could be useful in the treatment of anxiety and depression. In this study, we demonstrated that administration of the bacterium Paraburkholderia sabiae reduces anxiety-like behavior in adult zebrafish. P. sabiae administration increased the diversity of the zebrafish gut microbiome. Linear discriminant analysis Effect Size (LEfSe) analysis revealed that the populations of Actinomycetales including Nocardiaceae, Nocardia, Gordoniaceae, Gordonia, Nakamurellaceae, and Aeromonadaceae were reduced, whereas those of Rhizobiales including Xanthobacteraceae, Bradyrhizobiaceae, Rhodospirillaceae, and Pirellulaceae were increased in the gut microbiome. Functional analysis using Phylogenetic Investigation of Communities by Reconstruction of Unobserved States (PICRUSt2) predicted that P. sabiae administration altered taurine metabolism in the zebrafish gut, and we demonstrated that P. sabiae administration increased the taurine concentration in the brain. Since taurine functions as an antidepressant neurotransmitter in vertebrates, our results suggest that P. sabiae could improve anxiety-like behavior in zebrafish via the gut-brain axis.
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Affiliation(s)
- Shunsuke Ichikawa
- Faculty of Education, Mie University, Tsu, Mie, Japan.,Mie University Zebrafish Drug Screening Center, Tsu, Japan
| | - Reimi Abe
- Faculty of Education, Mie University, Tsu, Mie, Japan
| | | | | | - Liqing Zang
- Mie University Zebrafish Drug Screening Center, Tsu, Japan.,Graduate School of Regional Innovation Studies, Mie University, Tsu, Mie, Japan
| | - Hiroko Nakayama
- Mie University Zebrafish Drug Screening Center, Tsu, Japan.,Graduate School of Regional Innovation Studies, Mie University, Tsu, Mie, Japan
| | - Izumi Matsuoka
- Mie University Zebrafish Drug Screening Center, Tsu, Japan
| | - Yasuhito Shimada
- Mie University Zebrafish Drug Screening Center, Tsu, Japan.,Department of Integrative Pharmacology, Mie University Graduate School of Medicine, Tsu, Japan.,Department of Bioinformatics, Mie University Advanced Science Research Promotion Center, Tsu, Japan
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14
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Iseli GC, Ulrich S, Schmidt A. Elucidating gut microbiota-hippocampus interactions in emerging psychosis: A new perspective for the development of early interventions for memory impairments. Front Psychiatry 2023; 14:1098019. [PMID: 37032923 PMCID: PMC10076719 DOI: 10.3389/fpsyt.2023.1098019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 02/28/2023] [Indexed: 04/11/2023] Open
Abstract
Hippocampal dysregulation might be a key pathophysiological factor for memory impairments in psychosis. Contemporary models particularly postulate that an imbalance of hippocampal glutamate and GABA leads to impaired memory and may thus serve as a therapeutic target to improve memory deficits. However, currently available interventions in early stages of psychosis do not explicitly target hippocampal pathology. A novel approach for manipulating hippocampus-dependent memory processes is provided via the gut microbiota. In this perspective article, we first recapitulate compelling evidence for emerging hippocampus pathology during the development of psychosis. The following sections emphasize the critical role of the gut microbiota in hippocampus plasticity and memory, and summarize existing evidence of gut microbiota alterations in different stages of psychosis. Finally, we propose a novel conceptual roadmap for future studies deciphering gut microbiota-hippocampus synergisms in emerging psychosis and argue that specific microbial supplementation might be promising for improving hippocampus-dependent memory deficits in early stages of psychosis.
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15
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Crosstalk between the Gut and Brain in Ischemic Stroke: Mechanistic Insights and Therapeutic Options. Mediators Inflamm 2022; 2022:6508046. [PMID: 36267243 PMCID: PMC9578915 DOI: 10.1155/2022/6508046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 09/28/2022] [Accepted: 10/01/2022] [Indexed: 11/18/2022] Open
Abstract
There has been a significant amount of interest in the past two decades in the study of the evolution of the gut microbiota, its internal and external impacts on the gut, and risk factors for cerebrovascular disorders such as cerebral ischemic stroke. The network of bidirectional communication between gut microorganisms and their host is known as the microbiota-gut-brain axis (MGBA). There is mounting evidence that maintaining gut microbiota homeostasis can frequently enhance the effectiveness of ischemic stroke treatment by modulating immune, metabolic, and inflammatory responses through MGBA. To effectively monitor and cure ischemic stroke, restoring a healthy microbial ecology in the gut may be a critical therapeutic focus. This review highlights mechanistic insights on the MGBA in disease pathophysiology. This review summarizes the role of MGBA signaling in the development of stroke risk factors such as aging, hypertension, obesity, diabetes, and atherosclerosis, as well as changes in the microbiota in experimental or clinical populations. In addition, this review also examines dietary changes, the administration of probiotics and prebiotics, and fecal microbiota transplantation as treatment options for ischemic stroke as potential health benefits. It will become more apparent how the MGBA affects human health and disease with continuing advancements in this emerging field of biomedical sciences.
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16
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Sato T, Honda S, Tominaga Y, Miyakoshi Y, Ueda T, Sawashita J. A probiotic blend improves defecation, mental health, and productivity in healthy Japanese volunteers under stressful situations. Heliyon 2022; 8:e10614. [PMID: 36185155 PMCID: PMC9520207 DOI: 10.1016/j.heliyon.2022.e10614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 03/31/2022] [Accepted: 09/07/2022] [Indexed: 11/18/2022] Open
Abstract
We investigated whether a blend of probiotics (KABP-021, KABP-022, and KABP-023) improved diarrhea-related problems in healthy Japanese adults who routinely lived under stressful conditions. Twenty-six females and 34 males were divided randomly into the probiotic and placebo groups in this double-blind, placebo-controlled, parallel-group comparison study. All participants ingested 1 capsule of probiotics or placebo per day for 4 weeks. Intervention with probiotics significantly reduced diarrhea-related problems assessed by the Izumo scale compared with placebo treatment (P < 0.001). In the Short Form-8 questionnaire, probiotic intervention improved mental component scores (P = 0.002), role emotional scores (P = 0.002), and mental health scores (P < 0.001). Treatment with probiotics also reduced the effects of diarrhea on daily activities (P < 0.001) and overall working habits (P = 0.010), including missing work (absenteeism) and impaired productivity (presenteeism), as assessed by the Work Productivity and Activity Impairment Questionnaire: General Health. Furthermore, there was a correlation between improved scores for diarrhea on the Izumo scale and increased abundance of Faecalibacterium, a butyric acid-producing bacterium, in the gut in the probiotic group (P = 0.047), whereas no such a correlation or trend was found in the placebo group. Our strategy of supplementation for 4 weeks with a specific blend of probiotics reduced diarrhea-related symptoms and may improve the mental health and daily activities of healthy individuals under stress.
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Affiliation(s)
- Takumi Sato
- Probiotics Project Team, Supplement Strategic Unit, Pharma & Supplemental Nutrition Solutions Vehicle, Kaneka Corporation, 1-12-32 Akasaka, Minato-ku, Tokyo 107-6028, Japan
| | - Shinichi Honda
- Bioproducts Research Group, Biotechnology Research Laboratories, Pharma & Supplemental Nutrition Solutions Vehicle, Kaneka Corporation, 1-8 Miyamae-cho, Takasago-cho, Takasago-shi, Hyogo 676-8688, Japan
| | - Yuji Tominaga
- Bioproducts Research Group, Biotechnology Research Laboratories, Pharma & Supplemental Nutrition Solutions Vehicle, Kaneka Corporation, 1-8 Miyamae-cho, Takasago-cho, Takasago-shi, Hyogo 676-8688, Japan
| | - Yo Miyakoshi
- Probiotics Project Team, Supplement Strategic Unit, Pharma & Supplemental Nutrition Solutions Vehicle, Kaneka Corporation, 1-12-32 Akasaka, Minato-ku, Tokyo 107-6028, Japan
| | - Takahiro Ueda
- Probiotics Project Team, Supplement Strategic Unit, Pharma & Supplemental Nutrition Solutions Vehicle, Kaneka Corporation, 1-12-32 Akasaka, Minato-ku, Tokyo 107-6028, Japan
| | - Jinko Sawashita
- Products Technology Team, Supplement Strategic Unit, Pharma & Supplemental Nutrition Solutions Vehicle, Kaneka Corporation, 2-3-18 Nakanoshima, Kita-ku, Osaka 530-8288, Japan
- Corresponding author.
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17
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de Bie TH, Balvers MGJ, de Vos RCH, Witkamp RF, Jongsma MA. The influence of a tomato food matrix on the bioavailability and plasma kinetics of oral gamma-aminobutyric acid (GABA) and its precursor glutamate in healthy men. Food Funct 2022; 13:8399-8410. [PMID: 35852458 DOI: 10.1039/d2fo01358d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Gamma-aminobutyric acid (GABA) and its precursor glutamate play signaling roles in a range of tissues. Both function as neurotransmitters in the central nervous system, but they also modulate pancreatic and immune functioning, for example. Besides endogenous production, both compounds are found in food products, reaching relatively high levels in tomatoes. Recent studies in rodents suggest beneficial effects of oral GABA on glucose homeostasis and blood pressure. However, the bioavailability from food remains unknown. We studied the bioavailability of GABA and glutamate from tomatoes relative to a solution in water. After a fasting blood sample was taken, eleven healthy men randomly received 1 liter of 4 different drinks in a cross-over design with a one-week interval. The drinks were a solution of 888 mg L-1 GABA, a solution of 3673 mg L-1 glutamate, pureed fresh tomatoes and plain water as the control. Following intake, 18 blood samples were taken at intervals for 24 hours. Plasma GABA and glutamate concentrations were determined by ultra-pressure liquid chromatography coupled with tandem mass spectrometry (UPLC-MS/MS). Fasting plasma GABA and glutamate concentrations were found to be 16.71 (SD 2.18) ng mL-1 and 4626 (SD 1666) ng mL-1, respectively. Fasting GABA levels were constant (5.8 CV%) between individuals, while fasting glutamate levels varied considerably (23.5 CV%). GABA from pureed tomatoes showed similar bioavailability to that of a solution in water. For glutamate, the absorption from pureed tomatoes occurred more slowly as seen from a longer tmax (0.98 ± 0.14 h vs. 0.41 ± 0.04 h, P = 0.003) and lower Cmax (7815 ± 627 ng mL-1vs. 16 420 ± 2778 ng mL-1, P = 0.006). These data suggest that GABA is bioavailable from tomatoes, and that food products containing GABA could potentially induce health effects similar to those claimed for GABA supplements. The results merit further studies on the bioavailability of GABA from other food products and the health effects of GABA-rich diets. The clinical trial registry number is NCT04086108 (https://clinicaltrials.gov/ct2/show/NCT04303468).
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Affiliation(s)
- Tessa H de Bie
- Division of Human Nutrition and Health, Wageningen University & Research, P.O. Box 17, 6700 AA Wageningen, The Netherlands. .,Wageningen Plant Research, Wageningen University & Research, P.O. Box 16, 6700 AA Wageningen, The Netherlands
| | - Michiel G J Balvers
- Division of Human Nutrition and Health, Wageningen University & Research, P.O. Box 17, 6700 AA Wageningen, The Netherlands.
| | - Ric C H de Vos
- Wageningen Plant Research, Wageningen University & Research, P.O. Box 16, 6700 AA Wageningen, The Netherlands
| | - Renger F Witkamp
- Division of Human Nutrition and Health, Wageningen University & Research, P.O. Box 17, 6700 AA Wageningen, The Netherlands.
| | - Maarten A Jongsma
- Wageningen Plant Research, Wageningen University & Research, P.O. Box 16, 6700 AA Wageningen, The Netherlands
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18
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Horvath TD, Ihekweazu FD, Haidacher SJ, Ruan W, Engevik KA, Fultz R, Hoch KM, Luna RA, Oezguen N, Spinler JK, Haag AM, Versalovic J, Engevik MA. Bacteroides ovatus colonization influences the abundance of intestinal short chain fatty acids and neurotransmitters. iScience 2022; 25:104158. [PMID: 35494230 PMCID: PMC9038548 DOI: 10.1016/j.isci.2022.104158] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 11/01/2021] [Accepted: 03/23/2022] [Indexed: 12/18/2022] Open
Abstract
Gut microbes can synthesize multiple neuro-active metabolites. We profiled neuro-active compounds produced by the gut commensal Bacteroides ovatus in vitro and in vivo by LC-MS/MS. We found that B. ovatus generates acetic acid, propionic acid, isobutyric acid, and isovaleric acid. In vitro, B. ovatus consumed tryptophan and glutamate and synthesized the neuro-active compounds glutamine and GABA. Consistent with our LC-MS/MS-based in vitro data, we observed elevated levels of acetic acid, propionic acid, isobutyric acid, and isovaleric acid in the intestines of B. ovatus mono-associated mice compared with germ-free controls. B. ovatus mono-association also increased the concentrations of intestinal GABA and decreased the concentrations of tryptophan and glutamine compared with germ-free controls. Computational network analysis revealed unique links between SCFAs, neuro-active compounds, and colonization status. These results highlight connections between microbial colonization and intestinal neurotransmitter concentrations, suggesting that B. ovatus selectively influences the presence of intestinal neurotransmitters.
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Affiliation(s)
- Thomas D. Horvath
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, USA
- Department of Pathology, Texas Children’s Hospital, Houston, TX, USA
| | - Faith D. Ihekweazu
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
- Section of Gastroenterology, Hepatology, and Nutrition, Texas Children’s Hospital, Houston, TX, USA
| | - Sigmund J. Haidacher
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, USA
- Department of Pathology, Texas Children’s Hospital, Houston, TX, USA
| | - Wenly Ruan
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
- Section of Gastroenterology, Hepatology, and Nutrition, Texas Children’s Hospital, Houston, TX, USA
| | - Kristen A. Engevik
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX, USA
| | - Robert Fultz
- Department of Neuroscience, Cell Biology, and Anatomy, University of Texas Medical Branch, Galveston, TX, USA
| | - Kathleen M. Hoch
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, USA
- Department of Pathology, Texas Children’s Hospital, Houston, TX, USA
| | - Ruth Ann Luna
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, USA
- Department of Pathology, Texas Children’s Hospital, Houston, TX, USA
| | - Numan Oezguen
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, USA
- Department of Pathology, Texas Children’s Hospital, Houston, TX, USA
| | - Jennifer K. Spinler
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, USA
- Department of Pathology, Texas Children’s Hospital, Houston, TX, USA
| | - Anthony M. Haag
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, USA
- Department of Pathology, Texas Children’s Hospital, Houston, TX, USA
| | - James Versalovic
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, USA
- Department of Pathology, Texas Children’s Hospital, Houston, TX, USA
| | - Melinda A. Engevik
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, USA
- Department of Regenerative Medicine & Cell Biology, Medical University of South Carolina, 173 Ashley Ave, BSB 621, Charleston, SC 29425, USA
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19
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Gut microbiota drives macrophage-dependent self-renewal of intestinal stem cells via niche enteric serotonergic neurons. Cell Res 2022; 32:555-569. [PMID: 35379903 DOI: 10.1038/s41422-022-00645-7] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Accepted: 02/08/2022] [Indexed: 11/08/2022] Open
Abstract
Lgr5+ intestinal stem cells (ISCs) reside within specialized niches at the crypt base and harbor self-renewal and differentiation capacities. ISCs in the crypt base are sustained by their surrounding niche for precise modulation of self-renewal and differentiation. However, how intestinal cells in the crypt niche and microbiota in enteric cavity coordinately regulate ISC stemness remains unclear. Here, we show that ISCs are regulated by microbiota and niche enteric serotonergic neurons. The gut microbiota metabolite valeric acid promotes Tph2 expression in enteric serotonergic neurons via blocking the recruitment of the NuRD complex onto Tph2 promoter. 5-hydroxytryptamine (5-HT) in turn activates PGE2 production in a PGE2+ macrophage subset through its receptors HTR2A/3 A; and PGE2 via binding its receptors EP1/EP4, promotes Wnt/β-catenin signaling in ISCs to promote their self-renewal. Our findings illustrate a complex crosstalk among microbiota, intestinal nerve cells, intestinal immune cells and ISCs, revealing a new layer of ISC regulation by niche cells and microbiota.
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20
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Dey P, Chaudhuri SR, Efferth T, Pal S. The intestinal 3M (microbiota, metabolism, metabolome) zeitgeist - from fundamentals to future challenges. Free Radic Biol Med 2021; 176:265-285. [PMID: 34610364 DOI: 10.1016/j.freeradbiomed.2021.09.026] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/18/2021] [Accepted: 09/30/2021] [Indexed: 12/12/2022]
Abstract
The role of the intestine in human health and disease has historically been neglected and was mostly attributed to digestive and absorptive functions. In the past two decades, however, discoveries related to human nutrition and intestinal host-microbe reciprocal interaction have established the essential role of intestinal health in the pathogenesis of chronic diseases and the overall wellbeing. That transfer of gut microbiota could be a means of disease phenotype transfer has revolutionized our understanding of chronic disease pathogenesis. This narrative review highlights the major concepts related to intestinal microbiota, metabolism, and metabolome (3M) that have facilitated our fundamental understanding of the association between the intestine, and human health and disease. In line with increased interest of microbiota-dependent modulation of human health by dietary phytochemicals, we have also discussed the emerging concepts beyond the phytochemical bioactivities which emphasizes the integral role of microbial metabolites of parent phytochemicals at extraintestinal tissues. Finally, this review concludes with challenges and future prospects in defining the 3M interactions and has emphasized the fact that, it takes 'guts' to stay healthy.
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Affiliation(s)
- Priyankar Dey
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, Punjab, India.
| | - Saumya Ray Chaudhuri
- Council of Scientific and Industrial Research (CSIR), Institute of Microbial Technology, Chandigarh, India
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany
| | - Sirshendu Pal
- Mukherjee Hospital, Mitra's Clinic and Nursing Home, Siliguri, West Bengal, India
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21
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Yoshida N, Yamashita T, Osone T, Hosooka T, Shinohara M, Kitahama S, Sasaki K, Sasaki D, Yoneshiro T, Suzuki T, Emoto T, Saito Y, Ozawa G, Hirota Y, Kitaura Y, Shimomura Y, Okamatsu-Ogura Y, Saito M, Kondo A, Kajimura S, Inagaki T, Ogawa W, Yamada T, Hirata KI. Bacteroides spp. promotes branched-chain amino acid catabolism in brown fat and inhibits obesity. iScience 2021; 24:103342. [PMID: 34805797 PMCID: PMC8586802 DOI: 10.1016/j.isci.2021.103342] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 09/17/2021] [Accepted: 10/21/2021] [Indexed: 12/05/2022] Open
Abstract
The gut microbiome has emerged as a key regulator of obesity; however, its role in brown adipose tissue (BAT) metabolism and association with obesity remain to be elucidated. We found that the levels of circulating branched-chain amino acids (BCAA) and their cognate α-ketoacids (BCKA) were significantly correlated with the body weight in humans and mice and that BCAA catabolic defects in BAT were associated with obesity in diet-induced obesity (DIO) mice. Pharmacological systemic enhancement of BCAA catabolic activity reduced plasma BCAA and BCKA levels and protected against obesity; these effects were reduced in BATectomized mice. DIO mice gavaged with Bacteroides dorei and Bacteroides vulgatus exhibited improved BAT BCAA catabolism and attenuated body weight gain, which were not observed in BATectomized DIO mice. Our data have highlighted a possible link between the gut microbiota and BAT BCAA catabolism and suggest that Bacteroides probiotics could be used for treating obesity. Gut microbiota regulated BAT BCAA catabolism Bacteroides promoted BAT BCAA catabolism and inhibited obesity Bacteroides suppressed BAT inflammation that contributed to BAT BCAA catabolic defect
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Affiliation(s)
- Naofumi Yoshida
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 6500017, Japan
| | - Tomoya Yamashita
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 6500017, Japan.,AMED-PRIME, Japan Agency for Medical Research and Development, 1-8-1 Inohana, Chuo-ku, Tokyo 1008152, Japan
| | - Tatsunori Osone
- School and Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Tokyo 1528550, Japan
| | - Tetsuya Hosooka
- Laboratory of Nutritional Physiology, School of Food and Nutritional Sciences/Graduate Division of Nutritional and Environmental Sciences, University of Shizuoka, Shizuoka 4228526, Japan
| | - Masakazu Shinohara
- Division of Epidemiology, Kobe University Graduate School of Medicine, Kobe 6500017, Japan.,The Integrated Center for Mass Spectrometry, Graduate School of Medicine, Kobe University, Kobe 6500017, Japan
| | - Seiichi Kitahama
- Department of Metabolic and Bariatric Surgery, Center for Obesity, Diabetes and Endocrinology, Chibune General Hospital, Osaka 5550034, Japan
| | - Kengo Sasaki
- Graduate School of Science, Technology and Innovation, Kobe University, Kobe 6578501, Japan.,Bio Palette Co., Ltd., Kobe 6500047, Japan
| | - Daisuke Sasaki
- Graduate School of Science, Technology and Innovation, Kobe University, Kobe 6578501, Japan
| | - Takeshi Yoneshiro
- Division of Metabolic Medicine, Research Center for Advanced Science and Technology, The University of Tokyo, Tokyo 1538904, Japan
| | - Tomohiro Suzuki
- Laboratory of Epigenetics and Metabolism, Institute for Molecular and Cellular Regulation, Gunma University, Gunma 3718512, Japan
| | - Takuo Emoto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 6500017, Japan
| | - Yoshihiro Saito
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 6500017, Japan
| | - Genki Ozawa
- TechnoSuruga Laboratory Co., Ltd., Shizuoka 4240065, Japan
| | - Yushi Hirota
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe 6500017, Japan
| | - Yasuyuki Kitaura
- Laboratory of Nutritional Biochemistry, Department of Applied Biosciences, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya 4648601, Japan
| | - Yoshiharu Shimomura
- Department of Food and Nutritional Sciences, College of Bioscience and Biotechnology, Chubu University, Kasugai, Aichi 4878501, Japan
| | | | - Masayuki Saito
- Faculty of Veterinary Medicine, Hokkaido University, Sapporo 0600818, Japan
| | - Akihiko Kondo
- Graduate School of Science, Technology and Innovation, Kobe University, Kobe 6578501, Japan
| | - Shingo Kajimura
- Division of Endocrinology, Diabetes & Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Takeshi Inagaki
- Laboratory of Epigenetics and Metabolism, Institute for Molecular and Cellular Regulation, Gunma University, Gunma 3718512, Japan
| | - Wataru Ogawa
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe 6500017, Japan
| | - Takuji Yamada
- School and Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Tokyo 1528550, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 6500017, Japan
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22
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Cookson TA. Bacterial-Induced Blood Pressure Reduction: Mechanisms for the Treatment of Hypertension via the Gut. Front Cardiovasc Med 2021; 8:721393. [PMID: 34485420 PMCID: PMC8414577 DOI: 10.3389/fcvm.2021.721393] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 07/16/2021] [Indexed: 01/08/2023] Open
Abstract
Hypertension is a major risk factor for the development of cardiovascular disease. As more research into the gut microbiome emerges, we are finding increasing evidence to support that these microbes may have significant positive and negative effects on blood pressure and associated disorders. The bacterial-derived metabolites that are produced in the gut are capable of widespread effects to several tissue types and organs in the body. It is clear that the extensive metabolic function that is lost with gut dysbiosis is unlikely to be replenished with a single metabolite or bacterial strain. Instead, combinations of bacteria and concomitant therapies will provide a more well-rounded solution to manage hypertension. The bioactive molecules that are recognized in this review will inform on ideal characteristics of candidate bacteria and provide direction for future research on the gut microbiome in hypertension.
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23
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Han H, Yi B, Zhong R, Wang M, Zhang S, Ma J, Yin Y, Yin J, Chen L, Zhang H. From gut microbiota to host appetite: gut microbiota-derived metabolites as key regulators. MICROBIOME 2021; 9:162. [PMID: 34284827 PMCID: PMC8293578 DOI: 10.1186/s40168-021-01093-y] [Citation(s) in RCA: 104] [Impact Index Per Article: 34.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 05/11/2021] [Indexed: 05/25/2023]
Abstract
Feelings of hunger and satiety are the key determinants for maintaining the life of humans and animals. Disturbed appetite control may disrupt the metabolic health of the host and cause various metabolic disorders. A variety of factors have been implicated in appetite control, including gut microbiota, which develop the intricate interactions to manipulate the metabolic requirements and hedonic feelings. Gut microbial metabolites and components act as appetite-related signaling molecules to regulate appetite-related hormone secretion and the immune system, or act directly on hypothalamic neurons. Herein, we summarize the effects of gut microbiota on host appetite and consider the potential molecular mechanisms. Furthermore, we propose that the manipulation of gut microbiota represents a clinical therapeutic potential for lessening the development and consequence of appetite-related disorders. Video abstract.
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Affiliation(s)
- Hui Han
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
- Precision Livestock and Nutrition Unit, Gembloux Agro-Bio Tech, University of Liège, Passage de Déportés 2, 5030, Gembloux, Belgium
| | - Bao Yi
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Ruqing Zhong
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Mengyu Wang
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Shunfen Zhang
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Jie Ma
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China
| | - Yulong Yin
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, 410125, China
| | - Jie Yin
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China.
| | - Liang Chen
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
| | - Hongfu Zhang
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China.
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24
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Caffaratti C, Plazy C, Mery G, Tidjani AR, Fiorini F, Thiroux S, Toussaint B, Hannani D, Le Gouellec A. What We Know So Far about the Metabolite-Mediated Microbiota-Intestinal Immunity Dialogue and How to Hear the Sound of This Crosstalk. Metabolites 2021; 11:406. [PMID: 34205653 PMCID: PMC8234899 DOI: 10.3390/metabo11060406] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/15/2021] [Accepted: 06/16/2021] [Indexed: 12/25/2022] Open
Abstract
Trillions of microorganisms, termed the "microbiota", reside in the mammalian gastrointestinal tract, and collectively participate in regulating the host phenotype. It is now clear that the gut microbiota, metabolites, and intestinal immune function are correlated, and that alterations of the complex and dynamic host-microbiota interactions can have deep consequences for host health. However, the mechanisms by which the immune system regulates the microbiota and by which the microbiota shapes host immunity are still not fully understood. This article discusses the contribution of metabolites in the crosstalk between gut microbiota and immune cells. The identification of key metabolites having a causal effect on immune responses and of the mechanisms involved can contribute to a deeper insight into host-microorganism relationships. This will allow a better understanding of the correlation between dysbiosis, microbial-based dysmetabolism, and pathogenesis, thus creating opportunities to develop microbiota-based therapeutics to improve human health. In particular, we systematically review the role of soluble and membrane-bound microbial metabolites in modulating host immunity in the gut, and of immune cells-derived metabolites affecting the microbiota, while discussing evidence of the bidirectional impact of this crosstalk. Furthermore, we discuss the potential strategies to hear the sound of such metabolite-mediated crosstalk.
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Affiliation(s)
- Clément Caffaratti
- Faculty of Medicine, CNRS, Grenoble INP, CHU Grenoble-Alpes, University Grenoble Alpes, TIMC (UMR5525), 38000 Grenoble, France; (C.C.); (C.P.); (G.M.); (A.-R.T.); (S.T.); (B.T.)
| | - Caroline Plazy
- Faculty of Medicine, CNRS, Grenoble INP, CHU Grenoble-Alpes, University Grenoble Alpes, TIMC (UMR5525), 38000 Grenoble, France; (C.C.); (C.P.); (G.M.); (A.-R.T.); (S.T.); (B.T.)
- Service de Biochimie Biologie Moléculaire Toxicologie Environnementale, UM Biochimie des Enzymes et des Protéines, Institut de Biologie et Pathologie, CHU Grenoble-Alpes, 38000 Grenoble, France
- Plateforme de Métabolomique GEMELI-GExiM, Institut de Biologie et Pathologie, CHU Grenoble-Alpes, 38000 Grenoble, France;
| | - Geoffroy Mery
- Faculty of Medicine, CNRS, Grenoble INP, CHU Grenoble-Alpes, University Grenoble Alpes, TIMC (UMR5525), 38000 Grenoble, France; (C.C.); (C.P.); (G.M.); (A.-R.T.); (S.T.); (B.T.)
- Department of Infectiology-Pneumology, CHU Grenoble-Alpes, 38000 Grenoble, France
| | - Abdoul-Razak Tidjani
- Faculty of Medicine, CNRS, Grenoble INP, CHU Grenoble-Alpes, University Grenoble Alpes, TIMC (UMR5525), 38000 Grenoble, France; (C.C.); (C.P.); (G.M.); (A.-R.T.); (S.T.); (B.T.)
| | - Federica Fiorini
- Plateforme de Métabolomique GEMELI-GExiM, Institut de Biologie et Pathologie, CHU Grenoble-Alpes, 38000 Grenoble, France;
| | - Sarah Thiroux
- Faculty of Medicine, CNRS, Grenoble INP, CHU Grenoble-Alpes, University Grenoble Alpes, TIMC (UMR5525), 38000 Grenoble, France; (C.C.); (C.P.); (G.M.); (A.-R.T.); (S.T.); (B.T.)
| | - Bertrand Toussaint
- Faculty of Medicine, CNRS, Grenoble INP, CHU Grenoble-Alpes, University Grenoble Alpes, TIMC (UMR5525), 38000 Grenoble, France; (C.C.); (C.P.); (G.M.); (A.-R.T.); (S.T.); (B.T.)
- Service de Biochimie Biologie Moléculaire Toxicologie Environnementale, UM Biochimie des Enzymes et des Protéines, Institut de Biologie et Pathologie, CHU Grenoble-Alpes, 38000 Grenoble, France
- Plateforme de Métabolomique GEMELI-GExiM, Institut de Biologie et Pathologie, CHU Grenoble-Alpes, 38000 Grenoble, France;
| | - Dalil Hannani
- Faculty of Medicine, CNRS, Grenoble INP, CHU Grenoble-Alpes, University Grenoble Alpes, TIMC (UMR5525), 38000 Grenoble, France; (C.C.); (C.P.); (G.M.); (A.-R.T.); (S.T.); (B.T.)
| | - Audrey Le Gouellec
- Faculty of Medicine, CNRS, Grenoble INP, CHU Grenoble-Alpes, University Grenoble Alpes, TIMC (UMR5525), 38000 Grenoble, France; (C.C.); (C.P.); (G.M.); (A.-R.T.); (S.T.); (B.T.)
- Service de Biochimie Biologie Moléculaire Toxicologie Environnementale, UM Biochimie des Enzymes et des Protéines, Institut de Biologie et Pathologie, CHU Grenoble-Alpes, 38000 Grenoble, France
- Plateforme de Métabolomique GEMELI-GExiM, Institut de Biologie et Pathologie, CHU Grenoble-Alpes, 38000 Grenoble, France;
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25
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Chen Y, Xu J, Chen Y. Regulation of Neurotransmitters by the Gut Microbiota and Effects on Cognition in Neurological Disorders. Nutrients 2021; 13:nu13062099. [PMID: 34205336 PMCID: PMC8234057 DOI: 10.3390/nu13062099] [Citation(s) in RCA: 236] [Impact Index Per Article: 78.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/14/2021] [Accepted: 06/16/2021] [Indexed: 12/11/2022] Open
Abstract
Emerging evidence indicates that gut microbiota is important in the regulation of brain activity and cognitive functions. Microbes mediate communication among the metabolic, peripheral immune, and central nervous systems via the microbiota–gut–brain axis. However, it is not well understood how the gut microbiome and neurons in the brain mutually interact or how these interactions affect normal brain functioning and cognition. We summarize the mechanisms whereby the gut microbiota regulate the production, transportation, and functioning of neurotransmitters. We also discuss how microbiome dysbiosis affects cognitive function, especially in neurodegenerative diseases such as Alzheimer’s disease and Parkinson’s disease.
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Affiliation(s)
- Yijing Chen
- Chinese Academy of Sciences Key Laboratory of Brain Connectome and Manipulation, Shenzhen Key Laboratory of Translational Research for Brain Diseases, The Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen–Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen 518055, China; (Y.C.); (J.X.)
| | - Jinying Xu
- Chinese Academy of Sciences Key Laboratory of Brain Connectome and Manipulation, Shenzhen Key Laboratory of Translational Research for Brain Diseases, The Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen–Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen 518055, China; (Y.C.); (J.X.)
- Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yu Chen
- Chinese Academy of Sciences Key Laboratory of Brain Connectome and Manipulation, Shenzhen Key Laboratory of Translational Research for Brain Diseases, The Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen–Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen 518055, China; (Y.C.); (J.X.)
- Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Guangdong Provincial Key Laboratory of Brain Science, Disease and Drug Development, HKUST Shenzhen Research Institute, Shenzhen–Hong Kong Institute of Brain Science, Shenzhen Fundamental Research Institutions, Shenzhen 518057, China
- Correspondence: ; Tel.: +86-755-26925498
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26
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Liu L, Zou Z, Yang J, Li X, Zhu B, Zhang H, Sun Y, Zhang Y, Zhang ZJ, Wang W. Jianpi Jieyu Decoction, An Empirical Herbal Formula, Exerts Psychotropic Effects in Association With Modulation of Gut Microbial Diversity and GABA Activity. Front Pharmacol 2021; 12:645638. [PMID: 33935741 PMCID: PMC8079981 DOI: 10.3389/fphar.2021.645638] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 03/15/2021] [Indexed: 12/16/2022] Open
Abstract
Background: Recent studies suggest that gut microbiota was associated with the bidirectional gut-brain axis which could modulate neuropsychological functions of the central nervous system. Gut microbiota could produce gamma aminobutyric acid (GABA) that could modulate the gut-brain axis response. Jianpi Jieyu (JPJY) decoction, a traditional Chinese formula, is mainly composed of Astragalus membranaxeus and Radix Pseudostellariae. Although the JPJY decoction has been used to treat the depression in China, the potential action of its antidepressant has not been well understood. Thus this study was aim to investigate the role of JPJY improve gut microbiota homeostasis in the chronic stress induced depressive mice. Methods: The antidepressant effect of JPJY on chronic unpredictable mild stress (CUMS) mice was evaluated by using sucrose preference test, tail suspension test and forced swim test. Fatigue-like behaviors were evaluated using degree of redness, grip strength test, and exhaustive swimming test. The new object recognition test was used to evaluate cognition performance. Fecal samples were collected and taxonomical analysis of intestinal microbial distribution was conducted with 16S rDNA. Serum level of GABA was measured using high performance liquid chromatography (HPLC). The expression of GluR1 and p-Tau protein in the hippocampus was determined using Western blotting. Results: The dose of 9.2 g/kg JPJY produced antidepressant-like effects. JPJY and its major components also modulated gut microbiota diversity in the CUMS mice. Serum level of GABA and the expressions of hippocampal GluR1 and p-Tau were reversed after the administration of JPJY in CUMS mice. Conclusion: JPJY regulates gut microbiota to produce antidepressant-like effect and improve cognition deficit in depressive mice while its molecular mechanism possibly be enhanced NR1 and Tau expression in hippocampus and increased GABA in serum.
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Affiliation(s)
- Lanying Liu
- Department of Psychiatry, Tongde Hospital of Zhejiang Province, Hangzhou, China.,Mental Health Center of Zhejiang Province, Hangzhou, China
| | - Zhilu Zou
- College of Basic Medicine, Hubei University of Chinese Medicine, Wuhan, China
| | - Jiangwei Yang
- Department of Psychiatry, Tongde Hospital of Zhejiang Province, Hangzhou, China.,Mental Health Center of Zhejiang Province, Hangzhou, China
| | - Xiaoqi Li
- Key Laboratory of Integrative Biomedicine of Brain Diseases, Nanjing University of Chinese Medicine, Nanjing, China
| | - Boran Zhu
- Key Laboratory of Integrative Biomedicine of Brain Diseases, Nanjing University of Chinese Medicine, Nanjing, China
| | - Hailou Zhang
- Key Laboratory of Integrative Biomedicine of Brain Diseases, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yan Sun
- Key Laboratory of Integrative Biomedicine of Brain Diseases, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yuxuan Zhang
- Key Laboratory of Integrative Biomedicine of Brain Diseases, Nanjing University of Chinese Medicine, Nanjing, China
| | - Zhang-Jin Zhang
- School of Chinese Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Wei Wang
- Key Laboratory of Integrative Biomedicine of Brain Diseases, Nanjing University of Chinese Medicine, Nanjing, China
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27
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Maiuolo J, Gliozzi M, Musolino V, Carresi C, Scarano F, Nucera S, Scicchitano M, Oppedisano F, Bosco F, Ruga S, Zito MC, Macri R, Palma E, Muscoli C, Mollace V. The Contribution of Gut Microbiota-Brain Axis in the Development of Brain Disorders. Front Neurosci 2021; 15:616883. [PMID: 33833660 PMCID: PMC8021727 DOI: 10.3389/fnins.2021.616883] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 02/05/2021] [Indexed: 12/19/2022] Open
Abstract
Different bacterial families colonize most mucosal tissues in the human organism such as the skin, mouth, vagina, respiratory, and gastrointestinal districts. In particular, the mammalian intestine hosts a microbial community of between 1,000 and 1,500 bacterial species, collectively called "microbiota." Co-metabolism between the microbiota and the host system is generated and the symbiotic relationship is mutually beneficial. The balance that is achieved between the microbiota and the host organism is fundamental to the organization of the immune system. Scientific studies have highlighted a direct correlation between the intestinal microbiota and the brain, establishing the existence of the gut microbiota-brain axis. Based on this theory, the microbiota acts on the development, physiology, and cognitive functions of the brain, although the mechanisms involved have not yet been fully interpreted. Similarly, a close relationship between alteration of the intestinal microbiota and the onset of several neurological pathologies has been highlighted. This review aims to point out current knowledge as can be found in literature regarding the connection between intestinal dysbiosis and the onset of particular neurological pathologies such as anxiety and depression, autism spectrum disorder, and multiple sclerosis. These disorders have always been considered to be a consequence of neuronal alteration, but in this review, we hypothesize that these alterations may be non-neuronal in origin, and consider the idea that the composition of the microbiota could be directly involved. In this direction, the following two key points will be highlighted: (1) the direct cross-talk that comes about between neurons and gut microbiota, and (2) the degree of impact of the microbiota on the brain. Could we consider the microbiota a valuable target for reducing or modulating the incidence of certain neurological diseases?
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Affiliation(s)
- Jessica Maiuolo
- IRC-FSH Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Micaela Gliozzi
- IRC-FSH Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Vincenzo Musolino
- IRC-FSH Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Cristina Carresi
- IRC-FSH Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Federica Scarano
- IRC-FSH Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Saverio Nucera
- IRC-FSH Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Miriam Scicchitano
- IRC-FSH Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Francesca Oppedisano
- IRC-FSH Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Francesca Bosco
- IRC-FSH Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Stefano Ruga
- IRC-FSH Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Maria Caterina Zito
- IRC-FSH Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Roberta Macri
- IRC-FSH Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Ernesto Palma
- IRC-FSH Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Carolina Muscoli
- IRC-FSH Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
- IRCCS San Raffaele, Rome, Italy
| | - Vincenzo Mollace
- IRC-FSH Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
- IRCCS San Raffaele, Rome, Italy
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28
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Jackson MI, Waldy C, Jewell DE. Dietary resistant starch preserved through mild extrusion of grain alters fecal microbiome metabolism of dietary macronutrients while increasing immunoglobulin A in the cat. PLoS One 2020; 15:e0241037. [PMID: 33141838 PMCID: PMC7608938 DOI: 10.1371/journal.pone.0241037] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 10/07/2020] [Indexed: 02/06/2023] Open
Abstract
Dietary digestion-resistant starch (RS) provides health benefits to the host via gut microbiome-mediated metabolism. The degree to which cats manifest beneficial changes in response to RS intake was examined. Healthy cats (N = 36) were fed identically formulated foods processed under high (n = 17) or low (n = 19) shear extrusion conditions (low and high RS levels [LRS and HRS], respectively). Fecal samples collected after 3 and 6 weeks' feeding were assayed for stool firmness score, short-chain fatty acids, ammonia, and changes to the global metabolome and microbiome; fecal immunoglobulin A (IgA) was analyzed at week 6. Few differences were seen in proximate analyses of the foods; stool firmness scores did not differ. In cats consuming HRS food, concentrations of fecal butyrate and the straight chain:branched chain fatty acid ratio were significantly greater in feces at both weeks 3 and 6, while fecal ammonia was reduced at week 6 relative to feces from LRS-fed cats. Fecal IgA concentrations were significantly higher at week 6 with HRS food. RS consumption altered 47% of the fecal metabolome; RS-derived sugars and metabolites associated with greater gut health, including indoles and polyamines, increased in the cats consuming HRS food relative to those fed the LS food, while endocannabinoid N-acylethanolamines decreased. Consumption of HRS food increased concentrations of the ketone body 3-hydroxybutyrate in feces and elevated concentrations of reduced members of NADH-coupled redox congeners and NADH precursors. At the microbiome genus-level, 21% of operational taxonomic units were significantly different between food types; many involved taxa with known saccharolytic or proteolytic proclivities. Microbiome taxa richness and Shannon and Simpson alpha diversity were significantly higher in the HRS group at both weeks. These data show that feline consumption of grain-derived RS produces potentially beneficial shifts in microbiota-mediated metabolism and increases IgA production.
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Affiliation(s)
- Matthew I. Jackson
- Pet Nutrition Center, Hill's Pet Nutrition, Inc., Topeka, KS, United States of America
| | - Christopher Waldy
- Pet Nutrition Center, Hill's Pet Nutrition, Inc., Topeka, KS, United States of America
| | - Dennis E. Jewell
- Pet Nutrition Center, Hill's Pet Nutrition, Inc., Topeka, KS, United States of America
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29
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Skonieczna-Żydecka K, Jakubczyk K, Maciejewska-Markiewicz D, Janda K, Kaźmierczak-Siedlecka K, Kaczmarczyk M, Łoniewski I, Marlicz W. Gut Biofactory-Neurocompetent Metabolites within the Gastrointestinal Tract. A Scoping Review. Nutrients 2020; 12:E3369. [PMID: 33139656 PMCID: PMC7693392 DOI: 10.3390/nu12113369] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/27/2020] [Accepted: 10/29/2020] [Indexed: 12/12/2022] Open
Abstract
The gut microbiota have gained much scientific attention recently. Apart from unravelling the taxonomic data, we should understand how the altered microbiota structure corresponds to functions of this complex ecosystem. The metabolites of intestinal microorganisms, especially bacteria, exert pleiotropic effects on the human organism and contribute to the host systemic balance. These molecules play key roles in regulating immune and metabolic processes. A subset of them affect the gut brain axis signaling and balance the mental wellbeing. Neurotransmitters, short chain fatty acids, tryptophan catabolites, bile acids and phosphatidylcholine, choline, serotonin, and L-carnitine metabolites possess high neuroactive potential. A scoping literature search in PubMed/Embase was conducted up until 20 June 2020, using three major search terms "microbiota metabolites" AND "gut brain axis" AND "mental health". This review aimed to enhance our knowledge regarding the gut microbiota functional capacity, and support current and future attempts to create new compounds for future clinical interventions.
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Affiliation(s)
- Karolina Skonieczna-Żydecka
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland; (K.S.-Ż.); (K.J.); (D.M.-M.); (K.J.)
| | - Karolina Jakubczyk
- Department of Surgical Oncology, Medical University of Gdansk, Smoluchowskiego 17, 80-214 Gdańsk, Poland;
| | - Dominika Maciejewska-Markiewicz
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland; (K.S.-Ż.); (K.J.); (D.M.-M.); (K.J.)
| | - Katarzyna Janda
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland; (K.S.-Ż.); (K.J.); (D.M.-M.); (K.J.)
| | | | - Mariusz Kaczmarczyk
- Department of Clinical and Molecular Biochemistry, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland;
| | - Igor Łoniewski
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland; (K.S.-Ż.); (K.J.); (D.M.-M.); (K.J.)
| | - Wojciech Marlicz
- Department of Gastroenterology, Pomeranian Medical University, 71-252 Szczecin, Poland
- The Centre for Digestive Diseases Endoklinika, 70-535 Szczecin, Poland
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30
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Mars RAT, Yang Y, Ward T, Houtti M, Priya S, Lekatz HR, Tang X, Sun Z, Kalari KR, Korem T, Bhattarai Y, Zheng T, Bar N, Frost G, Johnson AJ, van Treuren W, Han S, Ordog T, Grover M, Sonnenburg J, D'Amato M, Camilleri M, Elinav E, Segal E, Blekhman R, Farrugia G, Swann JR, Knights D, Kashyap PC. Longitudinal Multi-omics Reveals Subset-Specific Mechanisms Underlying Irritable Bowel Syndrome. Cell 2020; 182:1460-1473.e17. [PMID: 32916129 DOI: 10.1016/j.cell.2020.08.007] [Citation(s) in RCA: 191] [Impact Index Per Article: 47.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 05/25/2020] [Accepted: 07/31/2020] [Indexed: 12/15/2022]
Abstract
The gut microbiome has been implicated in multiple human chronic gastrointestinal (GI) disorders. Determining its mechanistic role in disease has been difficult due to apparent disconnects between animal and human studies and lack of an integrated multi-omics view of disease-specific physiological changes. We integrated longitudinal multi-omics data from the gut microbiome, metabolome, host epigenome, and transcriptome in the context of irritable bowel syndrome (IBS) host physiology. We identified IBS subtype-specific and symptom-related variation in microbial composition and function. A subset of identified changes in microbial metabolites correspond to host physiological mechanisms that are relevant to IBS. By integrating multiple data layers, we identified purine metabolism as a novel host-microbial metabolic pathway in IBS with translational potential. Our study highlights the importance of longitudinal sampling and integrating complementary multi-omics data to identify functional mechanisms that can serve as therapeutic targets in a comprehensive treatment strategy for chronic GI diseases. VIDEO ABSTRACT.
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Affiliation(s)
- Ruben A T Mars
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA
| | - Yi Yang
- Department of Metabolism, Digestion and Reproduction, Imperial College, London SW7 2AZ, UK
| | - Tonya Ward
- BioTechnology Institute, College of Biological Sciences, University of Minnesota, Minneapolis, MN 55455, USA
| | - Mo Houtti
- Department of Computer Science and Engineering, University of Minnesota, Minneapolis, MN 55455, USA
| | - Sambhawa Priya
- Department of Genetics, Cell Biology, and Development, University of Minnesota, Minneapolis, MN 55455, USA
| | - Heather R Lekatz
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA
| | - Xiaojia Tang
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN 55905, USA
| | - Zhifu Sun
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN 55905, USA
| | - Krishna R Kalari
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN 55905, USA
| | - Tal Korem
- Department of Systems Biology, Columbia University, New York, NY 10032, USA; CIFAR Azrieli Global Scholars program, CIFAR, Toronto, ON M5G 1M1, Canada
| | - Yogesh Bhattarai
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA
| | - Tenghao Zheng
- School of Biological Sciences, Monash University, Clayton, 3800 VIC, Australia
| | - Noam Bar
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Gary Frost
- Department of Metabolism, Digestion and Reproduction, Imperial College, London SW7 2AZ, UK
| | - Abigail J Johnson
- BioTechnology Institute, College of Biological Sciences, University of Minnesota, Minneapolis, MN 55455, USA
| | - Will van Treuren
- Department of Microbiology and Immunology, Center for Human Microbiome Studies, Stanford University, Stanford, CA 94305, USA
| | - Shuo Han
- Department of Microbiology and Immunology, Center for Human Microbiome Studies, Stanford University, Stanford, CA 94305, USA
| | - Tamas Ordog
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - Madhusudan Grover
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA; Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - Justin Sonnenburg
- Department of Microbiology and Immunology, Center for Human Microbiome Studies, Stanford University, Stanford, CA 94305, USA
| | - Mauro D'Amato
- School of Biological Sciences, Monash University, Clayton, 3800 VIC, Australia
| | - Michael Camilleri
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA; Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - Eran Elinav
- Department of Immunology, Weizmann Institute of Science, Rehovot 76100, Israel; Division of Cancer-Microbiome Research, DKFZ, 69120 Heidelberg, Germany
| | - Eran Segal
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Ran Blekhman
- Department of Genetics, Cell Biology, and Development, University of Minnesota, Minneapolis, MN 55455, USA
| | - Gianrico Farrugia
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA; Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - Jonathan R Swann
- Department of Metabolism, Digestion and Reproduction, Imperial College, London SW7 2AZ, UK; School of Human Development and Health, Faculty of Medicine, University of Southampton, Southampton SO17 1BJ, UK
| | - Dan Knights
- BioTechnology Institute, College of Biological Sciences, University of Minnesota, Minneapolis, MN 55455, USA; Department of Computer Science and Engineering, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Purna C Kashyap
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA; Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA.
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31
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Ephraim E, Cochrane CY, Jewell DE. Varying Protein Levels Influence Metabolomics and the Gut Microbiome in Healthy Adult Dogs. Toxins (Basel) 2020; 12:toxins12080517. [PMID: 32806674 PMCID: PMC7472411 DOI: 10.3390/toxins12080517] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 07/31/2020] [Accepted: 08/10/2020] [Indexed: 12/15/2022] Open
Abstract
The optimal ranges of protein for healthy adult dogs are not known. This study evaluated the impact of long-term consumption of foods containing low, medium, and high levels of protein on serum, urine, and fecal metabolites, and gut microbiome in beagles. Following maintenance on a prefeed food for 14 days, dogs (15 neutered males, 15 spayed females, aged 2–9 years, mean initial weight 11.3 kg) consumed the low (18.99%, dry matter basis), medium (25.34%), or high (45.77%) protein foods, each for 90 days, in a William’s Latin Square Design sequence. In serum and/or urine, metabolites associated with inflammation (9,10-dihydroxyoctadecanoic acid (DiHOME)), 12,13-DiHOME) and kidney dysfunction (urea, 5-hydroxyindole sulfate, 7-hydroxyindole sulfate, p-cresol sulfate) increased with higher protein levels in food, while one-carbon pathway metabolites (betaine, dimethylglycine, sarcosine) decreased. Fecal pH increased with protein consumed, and levels of beneficial indoles and short-chain fatty acids decreased while branched-chain fatty acids increased. Beta diversity of the fecal microbiome was significantly different, with increased abundances of proteolytic bacteria with higher protein food. Feeding dogs a high amount of protein leads to a shift to proteolytic gut bacteria, higher fecal pH, and is associated with increased levels of metabolites linked with inflammation and kidney dysfunction.
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Affiliation(s)
- Eden Ephraim
- Pet Nutrition Center, Hill’s Pet Nutrition, Inc., Topeka, KS 66617, USA;
- Correspondence:
| | - Chun-Yen Cochrane
- Pet Nutrition Center, Hill’s Pet Nutrition, Inc., Topeka, KS 66617, USA;
| | - Dennis E. Jewell
- Department of Grain Science and Industry, Kansas State University, Manhattan, KS 66506, USA;
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32
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McCarville JL, Chen GY, Cuevas VD, Troha K, Ayres JS. Microbiota Metabolites in Health and Disease. Annu Rev Immunol 2020; 38:147-170. [DOI: 10.1146/annurev-immunol-071219-125715] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Metabolism is one of the strongest drivers of interkingdom interactions—including those between microorganisms and their multicellular hosts. Traditionally thought to fuel energy requirements and provide building blocks for biosynthetic pathways, metabolism is now appreciated for its role in providing metabolites, small-molecule intermediates generated from metabolic processes, to perform various regulatory functions to mediate symbiotic relationships between microbes and their hosts. Here, we review recent advances in our mechanistic understanding of how microbiota-derived metabolites orchestrate and support physiological responses in the host, including immunity, inflammation, defense against infections, and metabolism. Understanding how microbes metabolically communicate with their hosts will provide us an opportunity to better describe how a host interacts with all microbes—beneficial, pathogenic, and commensal—and an opportunity to discover new ways to treat microbial-driven diseases.
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Affiliation(s)
- Justin L. McCarville
- Molecular and Systems Physiology Laboratory, Gene Expression Laboratory, NOMIS Center for Immunobiology and Microbial Pathogenesis, Salk Institute for Biological Studies, La Jolla, California 92037, USA
| | - Grischa Y. Chen
- Molecular and Systems Physiology Laboratory, Gene Expression Laboratory, NOMIS Center for Immunobiology and Microbial Pathogenesis, Salk Institute for Biological Studies, La Jolla, California 92037, USA
| | - Víctor D. Cuevas
- Molecular and Systems Physiology Laboratory, Gene Expression Laboratory, NOMIS Center for Immunobiology and Microbial Pathogenesis, Salk Institute for Biological Studies, La Jolla, California 92037, USA
| | - Katia Troha
- Molecular and Systems Physiology Laboratory, Gene Expression Laboratory, NOMIS Center for Immunobiology and Microbial Pathogenesis, Salk Institute for Biological Studies, La Jolla, California 92037, USA
| | - Janelle S. Ayres
- Molecular and Systems Physiology Laboratory, Gene Expression Laboratory, NOMIS Center for Immunobiology and Microbial Pathogenesis, Salk Institute for Biological Studies, La Jolla, California 92037, USA
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33
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Gutiérrez-Sarmiento W, Sáyago-Ayerdi SG, Goñi I, Gutiérrez-Miceli FA, Abud-Archila M, Rejón-Orantes JDC, Rincón-Rosales R, Peña-Ocaña BA, Ruíz-Valdiviezo VM. Changes in Intestinal Microbiota and Predicted Metabolic Pathways During Colonic Fermentation of Mango ( Mangifera indica L.)-Based Bar Indigestible Fraction. Nutrients 2020; 12:E683. [PMID: 32138281 PMCID: PMC7146491 DOI: 10.3390/nu12030683] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/25/2020] [Accepted: 02/28/2020] [Indexed: 12/12/2022] Open
Abstract
Mango (Mangifera indica L.) peel and pulp are a source of dietary fiber (DF) and phenolic compounds (PCs) that constituent part of the indigestible fraction (IF). This fraction reaches the colon and acts as a carbon and energy source for intestinal microbiota. The effect of mango IF on intestinal microbiota during colonic fermentation is unknown. In this study, the isolated IF of a novel 'Ataulfo' mango-based bar (snack) UV-C irradiated and non-irradiated (UVMangoB and MangoB) were fermented. Colonic fermentation occurred in vitro under chemical-enzymatic, semi-anaerobic, batch culture and controlled pH colonic conditions. Changes in the structure of fecal microbiota were analyzed by 16s rRNA gene Illumina MiSeq sequencing. The community´s functional capabilities were determined in silico. The MangoB and UVMangoB increased the presence of Faecalibacterium, Roseburia, Eubacterium, Fusicatenibacter, Holdemanella, Catenibacterium, Phascolarctobacterium, Buttiauxella, Bifidobacterium, Collinsella, Prevotella and Bacteroides genera. The alpha indexes showed a decrease in microbial diversity after 6 h of colonic fermentation. The coordinates analysis indicated any differences between irradiated and non-irradiated bar. The metabolic prediction demonstrated that MangoB and UVMangoB increase the microbiota carbohydrate metabolism pathway. This study suggests that IF of mango-based bar induced beneficial changes on microbial ecology and metabolic pathway that could be promissory to prevention or treatment of metabolic dysbiosis. However, in vivo interventions are necessary to confirm the interactions between microbiota modulating and intestinal beneficial effects.
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Affiliation(s)
- Wilbert Gutiérrez-Sarmiento
- Tecnológico Nacional de México/IT de Tuxtla Gutiérrez, Carretera Panamericana km. 1080, Tuxtla Gutiérrez CP 29050, Chiapas, Mexico
| | | | - Isabel Goñi
- Department Nutrition and Food Science, Faculty of Pharmacy, University Complutense of Madrid, 28040 Madrid, Spain
| | | | - Miguel Abud-Archila
- Tecnológico Nacional de México/IT de Tuxtla Gutiérrez, Carretera Panamericana km. 1080, Tuxtla Gutiérrez CP 29050, Chiapas, Mexico
| | - José del Carmen Rejón-Orantes
- Pharmacobiology Experimental Laboratory, Faculty of Human Medicine, Universidad Autónoma de Chiapas, Calle Central-Sur S/N, San Francisco, Tuxtla Gutiérrez 29090, Chiapas, Mexico
| | - Reiner Rincón-Rosales
- Tecnológico Nacional de México/IT de Tuxtla Gutiérrez, Carretera Panamericana km. 1080, Tuxtla Gutiérrez CP 29050, Chiapas, Mexico
| | - Betsy Anaid Peña-Ocaña
- Tecnológico Nacional de México/IT de Tuxtla Gutiérrez, Carretera Panamericana km. 1080, Tuxtla Gutiérrez CP 29050, Chiapas, Mexico
| | - Víctor Manuel Ruíz-Valdiviezo
- Tecnológico Nacional de México/IT de Tuxtla Gutiérrez, Carretera Panamericana km. 1080, Tuxtla Gutiérrez CP 29050, Chiapas, Mexico
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34
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Bekebrede AF, Keijer J, Gerrits WJJ, de Boer VCJ. The Molecular and Physiological Effects of Protein-Derived Polyamines in the Intestine. Nutrients 2020; 12:E197. [PMID: 31940783 PMCID: PMC7020012 DOI: 10.3390/nu12010197] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 01/08/2020] [Accepted: 01/09/2020] [Indexed: 02/07/2023] Open
Abstract
Consumption of a high-protein diet increases protein entry into the colon. Colonic microbiota can ferment proteins, which results in the production of protein fermentation end-products, like polyamines. This review describes the effects of polyamines on biochemical, cellular and physiological processes, with a focus on the colon. Polyamines (mainly spermine, spermidine, putrescine and cadaverine) are involved in the regulation of protein translation and gene transcription. In this, the spermidine-derived hypusination modification of EIF5A plays an important role. In addition, polyamines regulate metabolic functions. Through hypusination of EIF5A, polyamines also regulate translation of mitochondrial proteins, thereby increasing their expression. They can also induce mitophagy through various pathways, which helps to remove damaged organelles and improves cell survival. In addition, polyamines increase mitochondrial substrate oxidation by increasing mitochondrial Ca2+-levels. Putrescine can even serve as an energy source for enterocytes in the small intestine. By regulating the formation of the mitochondrial permeability transition pore, polyamines help maintain mitochondrial membrane integrity. However, their catabolism may also reduce metabolic functions by depleting intracellular acetyl-CoA levels, or through production of toxic by-products. Lastly, polyamines support gut physiology, by supporting barrier function, inducing gut maturation and increasing longevity. Polyamines thus play many roles, and their impact is strongly tissue- and dose-dependent. However, whether diet-derived increases in colonic luminal polyamine levels also impact intestinal physiology has not been resolved yet.
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Affiliation(s)
- Anna F. Bekebrede
- Human and Animal Physiology, Wageningen University and Research, 6708 WD Wageningen, The Netherlands; (A.F.B.); (J.K.)
- Animal Nutrition Group, Wageningen University and Research, 6708 WD Wageningen, The Netherlands;
| | - Jaap Keijer
- Human and Animal Physiology, Wageningen University and Research, 6708 WD Wageningen, The Netherlands; (A.F.B.); (J.K.)
| | - Walter J. J. Gerrits
- Animal Nutrition Group, Wageningen University and Research, 6708 WD Wageningen, The Netherlands;
| | - Vincent C. J. de Boer
- Human and Animal Physiology, Wageningen University and Research, 6708 WD Wageningen, The Netherlands; (A.F.B.); (J.K.)
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35
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Das NK, Schwartz AJ, Barthel G, Inohara N, Liu Q, Sankar A, Hill DR, Ma X, Lamberg O, Schnizlein MK, Arqués JL, Spence JR, Nunez G, Patterson AD, Sun D, Young VB, Shah YM. Microbial Metabolite Signaling Is Required for Systemic Iron Homeostasis. Cell Metab 2020; 31:115-130.e6. [PMID: 31708445 PMCID: PMC6949377 DOI: 10.1016/j.cmet.2019.10.005] [Citation(s) in RCA: 155] [Impact Index Per Article: 38.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 09/23/2019] [Accepted: 10/14/2019] [Indexed: 12/16/2022]
Abstract
Iron is a central micronutrient needed by all living organisms. Competition for iron in the intestinal tract is essential for the maintenance of indigenous microbial populations and for host health. How symbiotic relationships between hosts and native microbes persist during times of iron limitation is unclear. Here, we demonstrate that indigenous bacteria possess an iron-dependent mechanism that inhibits host iron transport and storage. Using a high-throughput screen of microbial metabolites, we found that gut microbiota produce metabolites that suppress hypoxia-inducible factor 2α (HIF-2α) a master transcription factor of intestinal iron absorption and increase the iron-storage protein ferritin, resulting in decreased intestinal iron absorption by the host. We identified 1,3-diaminopropane (DAP) and reuterin as inhibitors of HIF-2α via inhibition of heterodimerization. DAP and reuterin effectively ameliorated systemic iron overload. This work provides evidence of intestine-microbiota metabolic crosstalk that is essential for systemic iron homeostasis.
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Affiliation(s)
- Nupur K Das
- Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Andrew J Schwartz
- Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Gabrielle Barthel
- Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Naohiro Inohara
- Department of Pathology and Comprehensive Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Qing Liu
- Department of Veterinary and Biomedical Sciences, the Pennsylvania State University, University Park, PA 16802, USA
| | - Amanda Sankar
- Department of Pediatrics, Division of Hematology-Oncology, University of Michigan, Ann Arbor, MI 48109, USA
| | - David R Hill
- Department of Internal Medicine, Division of Gastroenterology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Xiaoya Ma
- Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Olivia Lamberg
- Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Matthew K Schnizlein
- Department of Microbiology and Immunology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Juan L Arqués
- Departamento Tecnología de Alimentos, INIA, Carretera de La Coruña Km 7, Madrid 28040, Spain
| | - Jason R Spence
- Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Internal Medicine, Division of Gastroenterology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Gabriel Nunez
- Department of Pathology and Comprehensive Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Andrew D Patterson
- Department of Veterinary and Biomedical Sciences, the Pennsylvania State University, University Park, PA 16802, USA
| | - Duxin Sun
- College of Pharmacy, University of Michigan, Ann Arbor, MI 48109, USA
| | - Vincent B Young
- Department of Internal Medicine, Division of Infectious Disease, University of Michigan, Ann Arbor, MI 48109, USA; Department of Microbiology and Immunology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Yatrik M Shah
- Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Internal Medicine, Division of Gastroenterology, University of Michigan, Ann Arbor, MI 48109, USA.
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36
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Chen Y, Dinges MM, Green A, Cramer SE, Larive CK, Lytle C. Absorptive transport of amino acids by the rat colon. Am J Physiol Gastrointest Liver Physiol 2020; 318:G189-G202. [PMID: 31760764 PMCID: PMC6985843 DOI: 10.1152/ajpgi.00277.2019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The capacity of the colon to absorb microbially produced amino acids (AAs) and the underlying mechanisms of AA transport are incompletely defined. We measured the profile of 16 fecal AAs along the rat ceco-colonic axis and compared unidirectional absorptive AA fluxes across mucosal tissues isolated from the rat jejunum, cecum, and proximal colon using an Ussing chamber approach, in conjunction with 1H-NMR and ultra-performance liquid chromatography-mass spectrometry chemical analyses. Passage of stool from cecum to midcolon was associated with segment-specific changes in fecal AA composition and a decrease in total AA content. Simultaneous measurement of up to 16 AA fluxes under native luminal conditions, with correction for endogenous AA release, demonstrated absorptive transfer of AAs across the cecum and proximal colon at rates comparable (30-80%) to those across the jejunum, with significant Na+-dependent and H+-stimulated components. Expression profiling of 30 major AA transporter genes by quantitative PCR revealed comparatively high levels of transcripts for 20 AA transporters in the cecum and/or colon, with the levels of 12 exceeding those in the small intestine. Our results suggest a more detailed model of major apical and basolateral AA transporters in rat colonocytes and provide evidence for a previously unappreciated transfer of AAs across the colonic epithelium that could link the prodigious metabolic capacities of the luminal microbiota, the colonocytes, and the body tissues.NEW & NOTEWORTHY This study provides evidence for a previously unappreciated transfer of microbially generated amino acids across the colonic epithelium under physiological conditions that could link the prodigious metabolic capacities of the luminal microbiota, the colonocytes, and the body tissues. The segment-specific expression of at least 20 amino acid transporter genes along the colon provides a detailed mechanistic basis for uniport, heteroexchange, Na+-cotransport, and H+-cotransport components of colonic amino acid absorption.
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Affiliation(s)
- Yuxin Chen
- 1Division of Biomedical Sciences, School of Medicine, University of California, Riverside, California
| | - Meredith M. Dinges
- 2Department of Chemistry, University of California, Riverside, California
| | - Andrew Green
- 2Department of Chemistry, University of California, Riverside, California
| | - Scott E. Cramer
- 1Division of Biomedical Sciences, School of Medicine, University of California, Riverside, California
| | - Cynthia K. Larive
- 2Department of Chemistry, University of California, Riverside, California
| | - Christian Lytle
- 1Division of Biomedical Sciences, School of Medicine, University of California, Riverside, California
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37
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Busnelli M, Manzini S, Chiesa G. The Gut Microbiota Affects Host Pathophysiology as an Endocrine Organ: A Focus on Cardiovascular Disease. Nutrients 2019; 12:E79. [PMID: 31892152 PMCID: PMC7019666 DOI: 10.3390/nu12010079] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 12/18/2019] [Accepted: 12/24/2019] [Indexed: 12/12/2022] Open
Abstract
It is widely recognized that the microorganisms inhabiting our gastrointestinal tract-the gut microbiota-deeply affect the pathophysiology of the host. Gut microbiota composition is mostly modulated by diet, and gut microorganisms communicate with the different organs and tissues of the human host by synthesizing hormones and regulating their release. Herein, we will provide an updated review on the most important classes of gut microbiota-derived hormones and their sensing by host receptors, critically discussing their impact on host physiology. Additionally, the debated interplay between microbial hormones and the development of cardiovascular disease will be thoroughly analysed and discussed.
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Affiliation(s)
| | | | - Giulia Chiesa
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, 20133 Milano, Italy;
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38
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Zheng H, Fan K, Ji H, Jiang Q, Ning J, Xu P, Li C, Gao H. Antibiotic Exposure Disturbs the Gut Microbiota and Its Metabolic Phenotype Differently in Rats with Advanced-Stage Type 1 Diabetes and Age-Matched Controls. J Proteome Res 2019; 18:3944-3954. [PMID: 31553190 DOI: 10.1021/acs.jproteome.9b00402] [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] [Indexed: 01/21/2023]
Abstract
Antibiotic-induced microbial perturbations alter host metabolism and affect host physiology. In this study, we aimed to investigate the effects of vancomycin (Vanc) and ciprofloxacin/metronidazole (CiMe) exposures on the gut microbiome and metabolome in the colonic content and tissue samples from advanced-stage type 1 diabetic (AST1D) rats and age-matched controls (AMCs) using 16S ribosomal RNA gene sequencing and nuclear magnetic resonance-based metabolomics. The results show that antibiotic effects on the gut microbiota were stronger in AMC rats relative to AST1D rats. These microbial alterations were accompanied by a series of metabolic changes, including energy metabolism, short-chain fatty acid metabolism, and amino acid metabolism. We found that AMC rats had a more notable metabolic response to antibiotic exposure than AST1D rats. Additionally, Vanc had a stronger impact on the gut microbiota and host metabolic phenotype versus CiMe. Therefore, our results reveal that antibiotic-induced shifts in the gut microbiome and metabolome are different between AST1D and AMC rats. If confirmed in human studies, these findings suggest that diabetic patients may need a specific strategy for antibiotic use in clinical practice.
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Affiliation(s)
- Hong Zheng
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou 325035 , China
| | - Kai Fan
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou 325035 , China
| | - Hui Ji
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou 325035 , China
| | - Qiaoying Jiang
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou 325035 , China
| | - Jie Ning
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou 325035 , China
| | - Pengtao Xu
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou 325035 , China
| | - Chen Li
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou 325035 , China
| | - Hongchang Gao
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences , Wenzhou Medical University , Wenzhou 325035 , China
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39
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Sharon G, Cruz NJ, Kang DW, Gandal MJ, Wang B, Kim YM, Zink EM, Casey CP, Taylor BC, Lane CJ, Bramer LM, Isern NG, Hoyt DW, Noecker C, Sweredoski MJ, Moradian A, Borenstein E, Jansson JK, Knight R, Metz TO, Lois C, Geschwind DH, Krajmalnik-Brown R, Mazmanian SK. Human Gut Microbiota from Autism Spectrum Disorder Promote Behavioral Symptoms in Mice. Cell 2019; 177:1600-1618.e17. [PMID: 31150625 PMCID: PMC6993574 DOI: 10.1016/j.cell.2019.05.004] [Citation(s) in RCA: 609] [Impact Index Per Article: 121.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 02/11/2019] [Accepted: 04/30/2019] [Indexed: 01/02/2023]
Abstract
Autism spectrum disorder (ASD) manifests as alterations in complex human behaviors including social communication and stereotypies. In addition to genetic risks, the gut microbiome differs between typically developing (TD) and ASD individuals, though it remains unclear whether the microbiome contributes to symptoms. We transplanted gut microbiota from human donors with ASD or TD controls into germ-free mice and reveal that colonization with ASD microbiota is sufficient to induce hallmark autistic behaviors. The brains of mice colonized with ASD microbiota display alternative splicing of ASD-relevant genes. Microbiome and metabolome profiles of mice harboring human microbiota predict that specific bacterial taxa and their metabolites modulate ASD behaviors. Indeed, treatment of an ASD mouse model with candidate microbial metabolites improves behavioral abnormalities and modulates neuronal excitability in the brain. We propose that the gut microbiota regulates behaviors in mice via production of neuroactive metabolites, suggesting that gut-brain connections contribute to the pathophysiology of ASD.
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Affiliation(s)
- Gil Sharon
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA.
| | - Nikki Jamie Cruz
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Dae-Wook Kang
- Biodesign Swette Center for Environmental Biotechnology, Arizona State University, Tempe, AZ 85287, USA; Biodesign Center for Fundamental and Applied Microbiomics, Arizona State University, Tempe, AZ 85287, USA
| | - Michael J Gandal
- Center for Autism Research and Treatment, Program in Neurobehavioral Genetics, Semel Institute, University of California Los Angeles, Los Angeles, CA 90095, USA; Department of Neurology, Semel Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Human Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Psychiatry, Semel Institute, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Bo Wang
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Young-Mo Kim
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Erika M Zink
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Cameron P Casey
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Bryn C Taylor
- Biomedical Sciences Graduate Program, University of California, San Diego, La Jolla, CA 92093, USA
| | - Christianne J Lane
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90089, USA
| | - Lisa M Bramer
- National Security Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Nancy G Isern
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - David W Hoyt
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Cecilia Noecker
- Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA
| | - Michael J Sweredoski
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Annie Moradian
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Elhanan Borenstein
- Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA; Department of Computer Science and Engineering, University of Washington, Seattle, WA 98195, USA; Blavatnik School of Computer Science, Tel Aviv University, Tel Aviv 6997801, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; Santa Fe Institute, Santa Fe, NM 87501, USA
| | - Janet K Jansson
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Rob Knight
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA 92093, USA; Department of Pediatrics, School of Medicine, University of California, San Diego, La Jolla, CA 92093, USA; Department of Computer Science and Engineering, University of California, San Diego, La Jolla, CA 92093, USA; Department of Biongineering, University of California, San Diego, La Jolla, CA 92093, USA
| | - Thomas O Metz
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Carlos Lois
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Daniel H Geschwind
- Center for Autism Research and Treatment, Program in Neurobehavioral Genetics, Semel Institute, University of California Los Angeles, Los Angeles, CA 90095, USA; Department of Neurology, Semel Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Human Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Rosa Krajmalnik-Brown
- Biodesign Swette Center for Environmental Biotechnology, Arizona State University, Tempe, AZ 85287, USA; Biodesign Center for Fundamental and Applied Microbiomics, Arizona State University, Tempe, AZ 85287, USA; School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ 85287, USA
| | - Sarkis K Mazmanian
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA.
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40
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Matsumoto M, Kunisawa A, Hattori T, Kawana S, Kitada Y, Tamada H, Kawano S, Hayakawa Y, Iida J, Fukusaki E. Free D-amino acids produced by commensal bacteria in the colonic lumen. Sci Rep 2018; 8:17915. [PMID: 30559391 PMCID: PMC6297366 DOI: 10.1038/s41598-018-36244-z] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Accepted: 11/09/2018] [Indexed: 12/26/2022] Open
Abstract
D-amino acids (D-AAs) have various biological activities, such as activation of N-methyl-D-aspartic acid (NMDA) receptor as a co-agonist by D-Ser. Since several free D-AAs are released in the broth monocultured with bacterium and D-AAs are probably utilized for bacterial communication, we presume that intestinal microbiota releases several kinds of free D-AAs, which may be involved in the hosts’ health. However, presently, only four free D-AAs have been found in the ceacal lumen, but not in the colonic lumen. Here, we showed, by simultaneous analysis of chiral AAs using high-sensitivity liquid chromatography-tandem mass spectrometry (LC-MS/MS), that 12 free D-AAs (D-Ala, D-Arg, D-Asp, D-Gln, D-Glu, D-allo-Ile, D-Leu, D-Lys, D-Met, D-Phe, D-Ser, and D-Trp) are produced by intestinal microbiota and identified bacterial groups belonging to Firmicutes as the relevant bacterial candidates.
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Affiliation(s)
- Mitsuharu Matsumoto
- Dairy Science and Technology Institute, Kyodo Milk Industry Co. Ltd, Tokyo, Japan.
| | - Akihiro Kunisawa
- Shimadzu Corporation, Kyoto, Japan.,Osaka University Shimadzu Analytical Innovation Research Laboratory, Osaka University, Osaka, Japan
| | - Takanari Hattori
- Shimadzu Corporation, Kyoto, Japan.,Osaka University Shimadzu Analytical Innovation Research Laboratory, Osaka University, Osaka, Japan
| | | | - Yusuke Kitada
- Dairy Science and Technology Institute, Kyodo Milk Industry Co. Ltd, Tokyo, Japan
| | - Hazuki Tamada
- Dairy Science and Technology Institute, Kyodo Milk Industry Co. Ltd, Tokyo, Japan
| | - Shinichi Kawano
- Shimadzu Corporation, Kyoto, Japan.,Osaka University Shimadzu Analytical Innovation Research Laboratory, Osaka University, Osaka, Japan
| | | | - Junko Iida
- Shimadzu Corporation, Kyoto, Japan.,Osaka University Shimadzu Analytical Innovation Research Laboratory, Osaka University, Osaka, Japan
| | - Eiichiro Fukusaki
- Osaka University Shimadzu Analytical Innovation Research Laboratory, Osaka University, Osaka, Japan. .,Graduate School of Engineering, Osaka University, Osaka, Japan.
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41
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GABA-modulating bacteria of the human gut microbiota. Nat Microbiol 2018; 4:396-403. [PMID: 30531975 PMCID: PMC6384127 DOI: 10.1038/s41564-018-0307-3] [Citation(s) in RCA: 542] [Impact Index Per Article: 90.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2018] [Accepted: 10/26/2018] [Indexed: 12/11/2022]
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42
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Stolz A, Jooß K, Höcker O, Römer J, Schlecht J, Neusüß C. Recent advances in capillary electrophoresis-mass spectrometry: Instrumentation, methodology and applications. Electrophoresis 2018; 40:79-112. [PMID: 30260009 DOI: 10.1002/elps.201800331] [Citation(s) in RCA: 110] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 09/06/2018] [Accepted: 09/07/2018] [Indexed: 12/14/2022]
Abstract
Capillary electrophoresis (CE) offers fast and high-resolution separation of charged analytes from small injection volumes. Coupled to mass spectrometry (MS), it represents a powerful analytical technique providing (exact) mass information and enables molecular characterization based on fragmentation. Although hyphenation of CE and MS is not straightforward, much emphasis has been placed on enabling efficient ionization and user-friendly coupling. Though several interfaces are now commercially available, research on more efficient and robust interfacing with nano-electrospray ionization (ESI), matrix-assisted laser desorption/ionization (MALDI) and inductively coupled plasma mass spectrometry (ICP) continues with considerable results. At the same time, CE-MS has been used in many fields, predominantly for the analysis of proteins, peptides and metabolites. This review belongs to a series of regularly published articles, summarizing 248 articles covering the time between June 2016 and May 2018. Latest developments on hyphenation of CE with MS as well as instrumental developments such as two-dimensional separation systems with MS detection are mentioned. Furthermore, applications of various CE-modes including capillary zone electrophoresis (CZE), nonaqueous capillary electrophoresis (NACE), capillary gel electrophoresis (CGE) and capillary isoelectric focusing (CIEF) coupled to MS in biological, pharmaceutical and environmental research are summarized.
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Affiliation(s)
| | - Kevin Jooß
- Faculty of Chemistry, Aalen University, Aalen, Germany.,Research Unit Analytical BioGeoChemistry, Helmholtz Zentrum München, Neuherberg, Germany
| | - Oliver Höcker
- Faculty of Chemistry, Aalen University, Aalen, Germany.,Instrumental Analytical Chemistry, University of Duisburg-Essen, Essen, Germany
| | - Jennifer Römer
- Faculty of Chemistry, Aalen University, Aalen, Germany.,Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, Regensburg, Germany
| | - Johannes Schlecht
- Faculty of Chemistry, Aalen University, Aalen, Germany.,Department of Pharmaceutical/Medicinal Chemistry, Friedrich Schiller University, Jena, Germany
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43
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Ramautar R, Somsen GW, de Jong GJ. CE-MS for metabolomics: Developments and applications in the period 2016-2018. Electrophoresis 2018; 40:165-179. [PMID: 30232802 PMCID: PMC6586046 DOI: 10.1002/elps.201800323] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 09/09/2018] [Accepted: 09/10/2018] [Indexed: 12/16/2022]
Abstract
In the field of metabolomics, CE-MS is now recognized as a strong analytical technique for the analysis of (highly) polar and charged metabolites in a wide range of biological samples. Over the past few years, significant attention has been paid to the design and improvement of CE-MS approaches for (large-scale) metabolic profiling studies and for establishing protocols in order to further expand the role of CE-MS in metabolomics. In this paper, which is a follow-up of a previous review paper covering the years 2014-2016 (Electrophoresis 2017, 38, 190-202), main advances in CE-MS approaches for metabolomics studies are outlined covering the literature from July 2016 to June 2018. Aspects like developments in interfacing designs and data analysis tools for improving the performance of CE-MS for metabolomics are discussed. Representative examples highlight the utility of CE-MS in the fields of biomedical, clinical, microbial, and plant metabolomics. A complete overview of recent CE-MS-based metabolomics studies is given in a table, which provides information on sample type and pretreatment, capillary coatings and MS detection mode. Finally, some general conclusions and perspectives are given.
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Affiliation(s)
- Rawi Ramautar
- Biomedical Microscale Analytics, Leiden Academic Center for Drug Research, Leiden University, Leiden, The Netherlands
| | - Govert W Somsen
- Division of BioAnalytical Chemistry, Amsterdam Institute for Molecules, Medicines and Systems, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Gerhardus J de Jong
- Biomolecular Analysis, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
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44
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Nguyen TL, Chun WK, Kim A, Kim N, Roh HJ, Lee Y, Yi M, Kim S, Park CI, Kim DH. Dietary Probiotic Effect of Lactococcus lactis WFLU12 on Low-Molecular-Weight Metabolites and Growth of Olive Flounder ( Paralichythys olivaceus). Front Microbiol 2018; 9:2059. [PMID: 30233536 PMCID: PMC6134039 DOI: 10.3389/fmicb.2018.02059] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Accepted: 08/13/2018] [Indexed: 01/21/2023] Open
Abstract
The use of probiotics is considered an attractive biocontrol method. It is effective in growth promotion in aquaculture. However, the mode of action of probiotics in fish in terms of growth promotion remains unclear. The objective of the present study was to investigate growth promotion effect of dietary administration of host-derived probiotics, Lactococcus lactis WFLU12, on olive flounder compared to control group fed with basal diet by analyzing their intestinal and serum metabolome using capillary electrophoresis mass spectrometry with time-of flight (CE-TOFMS). Results of CE-TOFMS revealed that 53 out of 200 metabolites from intestinal luminal metabolome and 5 out of 171 metabolites from serum metabolome, respectively, were present in significantly higher concentrations in the probiotic-fed group than those in the control group. Concentrations of metabolites such as citrulline, tricarboxylic acid cycle (TCA) intermediates, short chain fatty acids, vitamins, and taurine were significantly higher in the probiotic-fed group than those in the control group. The probiotic strain WFLU12 also possesses genes encoding enzymes to help produce these metabolites. Therefore, it is highly likely that these increased metabolites linked to growth promotion in olive flounder are due to supplementation of the probiotic strain. To the best of our knowledge, this is the first study to show that dietary probiotics can greatly influence metabolome in fish. Findings of the present study may reveal important implications for maximizing the efficiency of using dietary additives to optimize fish health and growth.
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Affiliation(s)
- Thanh Luan Nguyen
- Department of Veterinary Medicine, HUTECH Institute of Applied Science, Ho Chi Minh City University of Technology, Ho Chi Minh City, Vietnam.,Department of Aquatic Life Medicine, College of Fisheries Science, Pukyong National University, Busan, South Korea
| | - Won-Kyong Chun
- Department of Aquatic Life Medicine, College of Fisheries Science, Pukyong National University, Busan, South Korea
| | - Ahran Kim
- Department of Aquatic Life Medicine, College of Fisheries Science, Pukyong National University, Busan, South Korea
| | - Nameun Kim
- Department of Aquatic Life Medicine, College of Fisheries Science, Pukyong National University, Busan, South Korea
| | - Heyong Jin Roh
- Department of Aquatic Life Medicine, College of Fisheries Science, Pukyong National University, Busan, South Korea
| | - Yoonhang Lee
- Department of Aquatic Life Medicine, College of Fisheries Science, Pukyong National University, Busan, South Korea
| | - Myunggi Yi
- Department of Biomedical Engineering, College of Engineering, Pukyong National University, Busan, South Korea
| | - Suhkmann Kim
- Department of Chemistry, Center for Proteome Biophysics, Chemistry Institute for Functional Materials, Pusan National University, Busan, South Korea
| | - Chan-Il Park
- Department of Marine Biology and Aquaculture, College of Marine Science, Gyeongsang National University, Tongyeong, South Korea
| | - Do-Hyung Kim
- Department of Aquatic Life Medicine, College of Fisheries Science, Pukyong National University, Busan, South Korea
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45
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Walejko JM, Kim S, Goel R, Handberg EM, Richards EM, Pepine CJ, Raizada MK. Gut microbiota and serum metabolite differences in African Americans and White Americans with high blood pressure. Int J Cardiol 2018; 271:336-339. [PMID: 30049487 DOI: 10.1016/j.ijcard.2018.04.074] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 04/03/2018] [Accepted: 04/17/2018] [Indexed: 12/19/2022]
Abstract
BACKGROUND Black Americans have greater rates, severity and resistance to treatment of hypertension than White Americans. The gut microbiota and its metabolites may contribute to this. This concept was tested in a pilot study. METHODS Subjects with high (HBP, >140/80 mm Hg) and normal (NBP, <120/80 mm Hg) blood pressure (BP) provided stool and blood samples for whole genome sequencing (WGS) of gut microbiota and global untargeted metabolomics of serum. Patients were either black (B) with NBP (n = 10 for WGS, 5 for metabolomics) and HBP (n = 10 and 9, BHBP) or white (W) with NBP (n = 20 and 13, WNBP) and HBP (n = 12 and 8, WHBP). RESULTS All four subject groups had distinct gut microbiota taxonomy by partial least squares discriminant analysis (PLS-DA). More importantly, linear discriminant analysis effect size showed marked differences in function of the microbiota of BHBP and WHBP (PLS-DA) with LDA scores <1. This included pathways for synthesis and interconversion of amino acids and inflammatory antigens. Similarly, metabolites differed (PLS-DA) with BHBP having significantly higher sulfacetaldehyde, quinolinic acid, 5-aminolevulinic acid, leucine and phenylalanine and lower 4-oxoproline and l-anserine. DISCUSSION Combination analyses of functional gut metabolic pathways and metabolomics data in this small pilot study suggest that BHBP may have greater oxidative stress markers in plasma, greater inflammatory potential of the gut microbiome and altered metabolites with gut microbial functions implying insulin resistance. A fuller understanding of these potential differences could lead to race-based treatments for hypertension.
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Affiliation(s)
- Jacquelyn M Walejko
- Department of Biochemistry & Molecular Biology, University of Florida, Gainesville, FL 32610, United States
| | - Seungbum Kim
- Department of Physiology and Functional Genomics, University of Florida, Gainesville, FL 32610, United States
| | - Ruby Goel
- Department of Physiology and Functional Genomics, University of Florida, Gainesville, FL 32610, United States
| | - Eileen M Handberg
- Department of Medicine, Division of Cardiology, University of Florida, Gainesville, FL 32610, United States
| | - Elaine M Richards
- Department of Physiology and Functional Genomics, University of Florida, Gainesville, FL 32610, United States
| | - Carl J Pepine
- Department of Medicine, Division of Cardiology, University of Florida, Gainesville, FL 32610, United States.
| | - Mohan K Raizada
- Department of Physiology and Functional Genomics, University of Florida, Gainesville, FL 32610, United States.
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Abstract
BACKGROUND Surgical metabolism has been a founding field of investigation in surgery without which the boundaries of critical care, trauma, and surgical oncology could not have advanced. Traditionally, understanding the shifts in electrolytes, carbohydrates, fats, and amino acids that could explain the rapidly evolving proteolysis after catabolic stress and tumor growth has been a major focus of research that led to our current approach to maintaining homeostasis over the course of major surgical intervention and injury. METHOD Review of the English-language literature. RESULTS With the emerging field of inflammation and the discovery of cytokines and chemokines, surgical metabolism has taken a second seat in the surgical research arena. Yet central to all patient management after injury is an understanding of how catabolic stress erodes vital organ function and how current approaches can support metabolism through the most physiologically stressful perturbations known to man, for which there is no evolutionary precedent. Although it is well accepted that unabated proteolysis is not a sustainable physiologic state, in the era of modern medicine, precisely how to manipulate the body nutritionally to drive a recovery-directed immune response remains highly debated. This review incorporates multiple lines of inquiry in surgical metabolism, with a particular focus on sepsis. CONCLUSION The changing landscape of previous paradigms in the field is discussed. Finally, how next-generation technology might spark renewed interest in this field among surgical investigators is considered.
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Affiliation(s)
- John C Alverdy
- Center for Surgical Infection Research and Therapeutics, University of Chicago , Chicago, Illinois
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47
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Wang Y, Kim R, Hinman SS, Zwarycz B, Magness ST, Allbritton NL. Bioengineered Systems and Designer Matrices That Recapitulate the Intestinal Stem Cell Niche. Cell Mol Gastroenterol Hepatol 2018; 5:440-453.e1. [PMID: 29675459 PMCID: PMC5904029 DOI: 10.1016/j.jcmgh.2018.01.008] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 01/09/2018] [Indexed: 02/07/2023]
Abstract
The relationship between intestinal stem cells (ISCs) and the surrounding niche environment is complex and dynamic. Key factors localized at the base of the crypt are necessary to promote ISC self-renewal and proliferation, to ultimately provide a constant stream of differentiated cells to maintain the epithelial barrier. These factors diminish as epithelial cells divide, migrate away from the crypt base, differentiate into the postmitotic lineages, and end their life span in approximately 7 days when they are sloughed into the intestinal lumen. To facilitate the rapid and complex physiology of ISC-driven epithelial renewal, in vivo gradients of growth factors, extracellular matrix, bacterial products, gases, and stiffness are formed along the crypt-villus axis. New bioengineered tools and platforms are available to recapitulate various gradients and support the stereotypical cellular responses associated with these gradients. Many of these technologies have been paired with primary small intestinal and colonic epithelial cells to re-create select aspects of normal physiology or disease states. These biomimetic platforms are becoming increasingly sophisticated with the rapid discovery of new niche factors and gradients. These advancements are contributing to the development of high-fidelity tissue constructs for basic science applications, drug screening, and personalized medicine applications. Here, we discuss the direct and indirect evidence for many of the important gradients found in vivo and their successful application to date in bioengineered in vitro models, including organ-on-chip and microfluidic culture devices.
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Key Words
- 3D, 3-dimensional
- BMP, Bone morphogenetic protein
- Bioengineering
- ECM, extracellular matrix
- Eph, erythropoietin-producing human hepatocellular receptor
- Ephrin, Eph family receptor interacting proteins
- Gradients
- IFN-γ, interferon-γ
- ISC, intestinal stem cell
- Intestinal Epithelial Cells
- NO, nitric oxide
- SFCA, short-chain fatty acids
- Stem Cell Niche
- TA, transit amplifying
- Wnt, wingless-related integration site
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Affiliation(s)
- Yuli Wang
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina
| | - Raehyun Kim
- Joint Department of Biomedical Engineering, University of North Carolina, Chapel Hill, and North Carolina State University, Raleigh, North Carolina
| | - Samuel S. Hinman
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina
| | - Bailey Zwarycz
- Department of Cell Biology and Physiology, University of North Carolina, Chapel Hill, North Carolina
| | - Scott T. Magness
- Department of Cell Biology and Physiology, University of North Carolina, Chapel Hill, North Carolina,Department of Medicine, University of North Carolina, Chapel Hill, North Carolina,Joint Department of Biomedical Engineering, University of North Carolina, Chapel Hill, and North Carolina State University, Raleigh, North Carolina,Scott T. Magness, PhD, Department of Biomedical Engineering, 111 Mason Farm Road, Room 4337 Medical Biomolecular Research Building, University of North Carolina, Chapel Hill, North Carolina 27599. fax: (919) 966-2284.
| | - Nancy L. Allbritton
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina,Joint Department of Biomedical Engineering, University of North Carolina, Chapel Hill, and North Carolina State University, Raleigh, North Carolina,Correspondence Address correspondence to: Nancy L. Allbritton, MD, PhD, Department of Biomedical Engineering, Chapman Hall, Room 241, University of North Carolina, Chapel Hill, North Carolina 27599. fax: (919) 966-2963.
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48
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Poinsot V, Ong-Meang V, Ric A, Gavard P, Perquis L, Couderc F. Recent advances in amino acid analysis by capillary electromigration methods: June 2015-May 2017. Electrophoresis 2017; 39:190-208. [PMID: 28805963 DOI: 10.1002/elps.201700270] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 07/28/2017] [Accepted: 07/31/2017] [Indexed: 12/13/2022]
Abstract
In the tenth edition of this article focused on recent advances in amino acid analysis using capillary electrophoresis, we describe the most important research articles published on this topic during the period from June 2015 to May 2017. This article follows the format of the previous articles published in Electrophoresis. The new developments in amino acid analysis with CE mainly describe improvements in CE associated with mass spectrometry. Focusing on applications, we mostly describe clinical works, although metabolomics studies are also very important. Finally, works focusing on amino acids in food and agricultural applications are also described.
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Affiliation(s)
- Véréna Poinsot
- Laboratoire des IMRCP, Université Paul Sabatier, Université de Toulouse, France
| | | | - Audrey Ric
- Laboratoire des IMRCP, Université Paul Sabatier, Université de Toulouse, France
| | - Pierre Gavard
- Laboratoire des IMRCP, Université Paul Sabatier, Université de Toulouse, France
| | - Lucie Perquis
- Laboratoire des IMRCP, Université Paul Sabatier, Université de Toulouse, France
| | - François Couderc
- Laboratoire des IMRCP, Université Paul Sabatier, Université de Toulouse, France
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