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Liu Y, Jia N, Tang C, Long H, Wang J. Microglia in Microbiota-Gut-Brain Axis: A Hub in Epilepsy. Mol Neurobiol 2024; 61:7109-7126. [PMID: 38366306 DOI: 10.1007/s12035-024-04022-w] [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: 12/14/2022] [Accepted: 02/06/2024] [Indexed: 02/18/2024]
Abstract
There is growing concern about the role of the microbiota-gut-brain axis in neurological illnesses, and it makes sense to consider microglia as a critical component of this axis in the context of epilepsy. Microglia, which reside in the central nervous system, are dynamic guardians that monitor brain homeostasis. Microglia receive information from the gut microbiota and function as hubs that may be involved in triggering epileptic seizures. Vagus nerve bridges the communication in the axis. Essential axis signaling molecules, such as gamma-aminobutyric acid, 5-hydroxytryptamin, and short-chain fatty acids, are currently under investigation for their participation in drug-resistant epilepsy (DRE). In this review, we explain how vagus nerve connects the gut microbiota to microglia in the brain and discuss the emerging concepts derived from this interaction. Understanding microbiota-gut-brain axis in epilepsy brings hope for DRE therapies. Future treatments can focus on the modulatory effect of the axis and target microglia in solving DRE.
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Affiliation(s)
- Yuyang Liu
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
- The First Clinical Medicine College, Southern Medical University, Guangzhou, China
- Neural Networks Surgery Team, Southern Medical University, Guangzhou, China
| | - Ningkang Jia
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
- Neural Networks Surgery Team, Southern Medical University, Guangzhou, China
- The Second Clinical Medicine College, Southern Medical University, Guangzhou, China
| | - Chuqi Tang
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
- The First Clinical Medicine College, Southern Medical University, Guangzhou, China
- Neural Networks Surgery Team, Southern Medical University, Guangzhou, China
| | - Hao Long
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
- The First Clinical Medicine College, Southern Medical University, Guangzhou, China
| | - Jun Wang
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
- The First Clinical Medicine College, Southern Medical University, Guangzhou, China.
- Neural Networks Surgery Team, Southern Medical University, Guangzhou, China.
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2
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Peer A, Samuelson DR. The Role of the Microbiome in Allergy, Asthma, and Occupational Lung Disease. Curr Allergy Asthma Rep 2024; 24:415-423. [PMID: 38904934 PMCID: PMC11297072 DOI: 10.1007/s11882-024-01156-8] [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] [Accepted: 06/07/2024] [Indexed: 06/22/2024]
Abstract
PURPOSE OF REVIEW The human commensal microbiota is now widely accepted as a key regulator of human health and disease. The composition of the mucosal associated microbiota has been shown to play a critical role in the lung health. The role of the mucosal microbiota in the development and severity of allergy, asthma, and occupational lung disease is only beginning to take shape. However, advances in our understanding of these links have tremendous potential to led to new clinical interventions to reduce allergy, asthma, and occupational lung disease morbidity. RECENT FINDINGS We review recent work describing the relationship and role of the commensal microbiota in the development of allergy, asthma, and occupational lung disease. Our review primarily focuses on occupational exposures and the effects of the microbiome, both in composition and function. Data generated from these studies may lead to the development of interventions targeted at establishing and maintaining a healthy microbiota. We also highlight the role of environmental exposures and the effects on the commensal microbial community and their potential association with occupational lung disease. This review explores the current research describing the role of the human microbiome in the regulation of pulmonary health and disease, with a specific focus on the role of the mucosal microbiota in the development of allergy, asthma, and occupational lung disease.
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Affiliation(s)
- Ashley Peer
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep, University of Nebraska Medical Center, Omaha, NE, USA
| | - Derrick R Samuelson
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep, University of Nebraska Medical Center, Omaha, NE, USA.
- Nebraska Food for Health Center, University of Nebraska-Lincoln, Lincoln, NE, USA.
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3
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Zulkifli S, Mohd Nor NS, Sheikh Abdul Kadir SH, Mohd Ranai N, Abdul Khalil K. Distinct gut flora profile induced by postnatal trans-fat diet in gestationally bisphenol A-exposed rats. PLoS One 2024; 19:e0306741. [PMID: 38980850 PMCID: PMC11233015 DOI: 10.1371/journal.pone.0306741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 06/22/2024] [Indexed: 07/11/2024] Open
Abstract
There has been much evidence showing the repercussions of prenatal bisphenol A (BPA) exposure with a postnatal high fat-diet (HFD) on offspring's health. However, the information on how the interaction between these two variables affects the gut microbiome is rather limited. Hence, we investigated the impact of a postnatal trans fat diet (TFD) on the gut microbiome of offspring exposed to BPA during the prenatal period in an animal model. Pregnant rats were divided into 5 mg/kg/day BPA, vehicle Tween80 (P80) or control (CTL) drinking water until delivery (N = 6 per group). Then, weaned male pups were further subdivided into three normal diet (ND) groups (CTLND, P80ND, and BPAND) and three TFD groups (CTLTFD, P80TFD, and BPATFD) (n = 6 per group). 180-250 g of faecal samples were collected on days 50 and 100 to assess the composition of the offspring's intestinal flora using next-generation sequencing. The alpha diversity indices of TFD offspring with and without BPA were markedly lower than their ND counterparts (p<0.001-p<0.05). The beta diversity, hierarchical cluster and network analyses of the offspring's microbiome demonstrated that the microbiome species of the TFD group with and without BPA were distinctly different compared to the ND group. Consistently, TFD and ND offspring pairings exhibited a higher number of significantly different species (p<0.0001-p<0.05) compared to those exposed to prenatal BPA exposure and different life stages comparisons, as shown by the multivariate parametric analysis DESeq2. Predictive functional profiling of the offspring's intestinal flora demonstrated altered expressions of genes involved in metabolic pathways. In summary, the gut flora composition of the rat offspring may be influenced by postnatal diet instead of prenatal exposure to BPA. Our data indicate the possibility of perturbed metabolic functions and epigenetic modifications, in offspring that consumed TFD, which may theoretically lead to metabolic diseases in middle or late adulthood. Further investigation is necessary to fully understand these implications.
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Affiliation(s)
- Sarah Zulkifli
- Institute for Pathology, Laboratory and Forensic Medicine (I-PPerForM), Faculty of Medicine, Universiti Teknologi MARA (UiTM) Sungai Buloh Campus, Selangor, Malaysia
| | - Noor Shafina Mohd Nor
- Institute for Pathology, Laboratory and Forensic Medicine (I-PPerForM), Faculty of Medicine, Universiti Teknologi MARA (UiTM) Sungai Buloh Campus, Selangor, Malaysia
- Department of Paediatrics, Faculty of Medicine, Universiti Teknologi MARA (UiTM) Sungai Buloh Campus, Selangor, Malaysia
- Institute of Medical Molecular Biotechnology, Faculty of Medicine, Universiti Teknologi MARA (UiTM) Sungai Buloh Campus, Selangor, Malaysia
| | - Siti Hamimah Sheikh Abdul Kadir
- Institute for Pathology, Laboratory and Forensic Medicine (I-PPerForM), Faculty of Medicine, Universiti Teknologi MARA (UiTM) Sungai Buloh Campus, Selangor, Malaysia
- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Universiti Teknologi MARA (UiTM) Sungai Buloh Campus, Selangor, Malaysia
| | - Norashikin Mohd Ranai
- Department of Paediatrics, Faculty of Medicine, Universiti Teknologi MARA (UiTM) Sungai Buloh Campus, Selangor, Malaysia
| | - Khalilah Abdul Khalil
- Department of Biomolecular Sciences, Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM) Shah Alam, Selangor, Malaysia
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4
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Huang JK, Wu PH, Chen ZF, Liu PY, Kuo CC, Chuang YS, Lu MZ, Kuo MC, Chiu YW, Lin YT. Identification of Gut Microbiome Signatures Associated with Indole Pathway in Tryptophan Metabolism in Patients Undergoing Hemodialysis. Biomolecules 2024; 14:623. [PMID: 38927027 PMCID: PMC11201546 DOI: 10.3390/biom14060623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 05/16/2024] [Accepted: 05/17/2024] [Indexed: 06/28/2024] Open
Abstract
Microbiota tryptophan metabolism and the biosynthesis of indole derivatives play an important role in homeostasis and pathogenesis in the human body and can be affected by the gut microbiota. However, studies on the interplay between gut microbiota and tryptophan metabolites in patients undergoing dialysis are lacking. This study aimed to identify the gut microbiota, the indole pathway in tryptophan metabolism, and significant functional differences in ESRD patients with regular hemodialysis. We performed the shotgun metagenome sequencing of stool samples from 85 hemodialysis patients. Using the linear discriminant analysis effect size (LEfSe), we examined the composition of the gut microbiota and metabolic features across varying concentrations of tryptophan and indole metabolites. Higher tryptophan levels promoted tyrosine degradation I and pectin degradation I metabolic modules; lower tryptophan levels were associated with glutamate degradation I, fructose degradation, and valine degradation modules. Higher 3-indoxyl sulfate concentrations were characterized by alanine degradation I, anaerobic fatty acid beta-oxidation, sulfate reduction, and acetyl-CoA to crotonyl-CoA. Contrarily, lower 3-indoxyl sulfate levels were related to propionate production III, arabinoxylan degradation, the Entner-Doudoroff pathway, and glutamate degradation II. The present study provides a better understanding of the interaction between tryptophan, indole metabolites, and the gut microbiota as well as their gut metabolic modules in ESRD patients with regular hemodialysis.
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Grants
- MOST 111-2314-B-037-032-MY3 Ministry of Science and Technology, Taiwan
- MOST 111-2314-B-037 -083 -MY3 Ministry of Science and Technology, Taiwan
- KMUH-DK(C)113003 Kaohsiung Medical University Hospital, Taiwan
- KMUH-DK(B)110003-4 Kaohsiung Medical University Hospital, Taiwan
- KMUH112-2M08 Kaohsiung Medical University Hospital, Taiwan
- KMUH112-2R21 Kaohsiung Medical University Hospital, Taiwan
- KMUH112-2R76 Kaohsiung Medical University Hospital, Taiwan
- KMUH111-1M60 Kaohsiung Medical University Hospital, Taiwan
- KMUH111-1R73 Kaohsiung Medical University Hospital, Taiwan
- KMUH110-0M73 Kaohsiung Medical University Hospital, Taiwan
- NHRIKMU-111-I003-2 Kaohsiung Medical University, Taiwan
- NHRIKMU-113-I005 Kaohsiung Medical University, Taiwan
- NYCUKMU-112-I006 Kaohsiung Medical University, Taiwan
- KT112P012 Kaohsiung Medical University, Taiwan
- KT113P006 Kaohsiung Medical University, Taiwan
- S11209 Kaohsiung Medical University, Taiwan
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Affiliation(s)
- Jih-Kai Huang
- Department of Emergency Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
| | - Ping-Hsun Wu
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (P.-H.W.); (M.-C.K.); (Y.-W.C.)
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Center for Big Data Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Research Center for Precision Environmental Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Zhao-Feng Chen
- Department of Horticulture and Landscape Architecture, National Taiwan University, Taipei 10617, Taiwan;
| | - Po-Yu Liu
- School of Medicine, College of Medicine, National Sun Yat-sen University, Kaohsiung 804, Taiwan
| | - Cheng-Chin Kuo
- Institute of Cellular and System Medicine, National Health Research Institutes, Zhunan 3500, Taiwan;
| | - Yun-Shiuan Chuang
- Center for Big Data Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Research Center for Precision Environmental Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Family Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Meng-Zhan Lu
- Department of Post-Baccalaureate Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
| | - Mei-Chuan Kuo
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (P.-H.W.); (M.-C.K.); (Y.-W.C.)
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Yi-Wen Chiu
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (P.-H.W.); (M.-C.K.); (Y.-W.C.)
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Yi-Ting Lin
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (P.-H.W.); (M.-C.K.); (Y.-W.C.)
- Center for Big Data Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Research Center for Precision Environmental Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Family Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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Xing PY, Agrawal R, Jayaraman A, Martin KA, Zhang GW, Ngu EL, Faylon LE, Kjelleberg S, Rice SA, Wang Y, Bello AT, Holmes E, Nicholson JK, Whiley L, Pettersson S. Microbial Indoles: Key Regulators of Organ Growth and Metabolic Function. Microorganisms 2024; 12:719. [PMID: 38674663 PMCID: PMC11052216 DOI: 10.3390/microorganisms12040719] [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: 03/07/2024] [Revised: 03/26/2024] [Accepted: 03/29/2024] [Indexed: 04/28/2024] Open
Abstract
Gut microbes supporting body growth are known but the mechanisms are less well documented. Using the microbial tryptophan metabolite indole, known to regulate prokaryotic cell division and metabolic stress conditions, we mono-colonized germ-free (GF) mice with indole-producing wild-type Escherichia coli (E. coli) or tryptophanase-encoding tnaA knockout mutant indole-non-producing E. coli. Indole mutant E. coli mice showed multiorgan growth retardation and lower levels of glycogen, cholesterol, triglycerides, and glucose, resulting in an energy deficiency despite increased food intake. Detailed analysis revealed a malfunctioning intestine, enlarged cecum, and reduced numbers of enterochromaffin cells, correlating with a metabolic phenotype consisting of impaired gut motility, diminished digestion, and lower energy harvest. Furthermore, indole mutant mice displayed reduction in serum levels of tricarboxylic acid (TCA) cycle intermediates and lipids. In stark contrast, a massive increase in serum melatonin was observed-frequently associated with accelerated oxidative stress and mitochondrial dysfunction. This observational report discloses functional roles of microbe-derived indoles regulating multiple organ functions and extends our previous report of indole-linked regulation of adult neurogenesis. Since indoles decline by age, these results imply a correlation with age-linked organ decline and levels of indoles. Interestingly, increased levels of indole-3-acetic acid, a known indole metabolite, have been shown to correlate with younger biological age, further supporting a link between biological age and levels of microbe-derived indole metabolites. The results presented in this resource paper will be useful for the future design of food intervention studies to reduce accelerated age-linked organ decline.
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Affiliation(s)
- Peter Yuli Xing
- Singapore Centre for Environmental Life Sciences Engineering, Singapore 637551, Singapore
- Interdisciplinary Graduate School, Nanyang Technological University, Singapore 637335, Singapore
| | - Ruchi Agrawal
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore
| | - Anusha Jayaraman
- ASEAN Microbiome Nutrition Centre, National Neuroscience Institute, Singapore 308433, Singapore
| | - Katherine Ann Martin
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore
| | - George Wei Zhang
- ASEAN Microbiome Nutrition Centre, National Neuroscience Institute, Singapore 308433, Singapore
| | - Ee Ling Ngu
- ASEAN Microbiome Nutrition Centre, National Neuroscience Institute, Singapore 308433, Singapore
- Faculty of Medical Sciences, Sunway University, Subang Jaya 47500, Selangor, Malaysia
| | - Llanto Elma Faylon
- Singapore Centre for Environmental Life Sciences Engineering, Singapore 637551, Singapore
| | - Staffan Kjelleberg
- Singapore Centre for Environmental Life Sciences Engineering, Singapore 637551, Singapore
- School of Biological Sciences, Nanyang Technological University, Singapore 637551, Singapore
| | - Scott A. Rice
- Singapore Centre for Environmental Life Sciences Engineering, Singapore 637551, Singapore
- School of Biological Sciences, Nanyang Technological University, Singapore 637551, Singapore
| | - Yulan Wang
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore
- Singapore Phenome Centre, Singapore 636921, Singapore
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2AZ, UK
| | - Adesola T. Bello
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2AZ, UK
- UK Dementia Research Institute, Imperial College London, London W1T 7NF, UK
| | - Elaine Holmes
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2AZ, UK
- Australian National Phenome Centre, Health Futures Institute, Murdoch University, Perth, WA 6150, Australia
| | - Jeremy K. Nicholson
- Australian National Phenome Centre, Health Futures Institute, Murdoch University, Perth, WA 6150, Australia
- Institute of Global Health Innovation, Imperial College London, London SW7 2NA, UK
| | - Luke Whiley
- Australian National Phenome Centre, Health Futures Institute, Murdoch University, Perth, WA 6150, Australia
- Perron Institute, Nedlands, WA 6009, Australia
| | - Sven Pettersson
- ASEAN Microbiome Nutrition Centre, National Neuroscience Institute, Singapore 308433, Singapore
- Faculty of Medical Sciences, Sunway University, Subang Jaya 47500, Selangor, Malaysia
- Karolinska Institutet, 171 77 Solna, Sweden
- Department of Microbiology and Immunology, National University Singapore, Singapore 117545, Singapore
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6
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Özaslan MS. Investigation of Potential Effects of Some Indole Compounds on the Glutathione S-Transferase Enzyme. BIOCHEMISTRY. BIOKHIMIIA 2024; 89:553-561. [PMID: 38648772 DOI: 10.1134/s0006297924030131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 02/23/2024] [Accepted: 02/27/2024] [Indexed: 04/25/2024]
Abstract
Glutathione S-transferases (GSTs) belong to the superfamily of multifunctional detoxification isoenzymes with an important role in cellular signaling. They can prevent reactive electrophilic compounds from harming the body by covalently binding identical type of moleculs to each other. GSTs can be used alone or in combination for cancer detection or diagnosis, in addition to therapeutic interventions. In recent years, indoles have become important due to their structural properties and biological activities such as antitubercular, antiulcer, anti-oxidant, and antidiabetic, as well as for the development of new anticancer agents. The current research investigated effects of some indoles with 3-carboxaldehyde structure on the GST enzyme activity. Impacts of various concentrations of indoles on the in vitro GST activity were examined. While IC50 values for the compounds ranged from 0.042 to 1.570 mM, Ki values changed between 0.018 ± 0.01 and 1.110 ± 0.15 mM. 6-Methylindole-3-carboxaldehyde (1b) exhibited the highest inhibitory effect among the indoles examined. Indole derivatives used in the study can be evaluated in further pharmacological studies due to their effects on GST activity.
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Affiliation(s)
- Muhammet Serhat Özaslan
- Department of Pharmacy Services, Nihat Delibalta Göle Vocational High School, Ardahan University, Ardahan, 75700, Turkey.
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7
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Zhuang Z, Zhou P, Wang J, Lu X, Chen Y. The Characteristics, Mechanisms and Therapeutics: Exploring the Role of Gut Microbiota in Obesity. Diabetes Metab Syndr Obes 2023; 16:3691-3705. [PMID: 38028999 PMCID: PMC10674108 DOI: 10.2147/dmso.s432344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 11/09/2023] [Indexed: 12/01/2023] Open
Abstract
Presently, obesity has emerged as a significant global public health concern due to its escalating prevalence and incidence rates. The gut microbiota, being a crucial environmental factor, has emerged as a key player in the etiology of obesity. Nevertheless, the intricate and specific interactions between obesity and gut microbiota, along with the underlying mechanisms, remain incompletely understood. This review comprehensively summarizes the gut microbiota characteristics in obesity, the mechanisms by which it induces obesity, and explores targeted therapies centered on gut microbiota restoration.
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Affiliation(s)
- Zequn Zhuang
- Department of General Surgery, the Affiliated Wuxi No.2 People’s Hospital of Nanjing Medical University, Wuxi, People’s Republic of China
| | - Peng Zhou
- Department of General Surgery, the Affiliated Wuxi No.2 People’s Hospital of Nanjing Medical University, Wuxi, People’s Republic of China
| | - Jing Wang
- Jiangnan University Medical Center, Wuxi, People’s Republic of China
| | - Xiaojing Lu
- Department of General Surgery, the Affiliated Wuxi No.2 People’s Hospital of Nanjing Medical University, Wuxi, People’s Republic of China
| | - Yigang Chen
- Department of General Surgery, the Affiliated Wuxi No.2 People’s Hospital of Nanjing Medical University, Wuxi, People’s Republic of China
- Jiangnan University Medical Center, Wuxi, People’s Republic of China
- Wuxi Clinical College, Nantong University, Wuxi, People’s Republic of China
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8
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Abstract
Emerging evidence suggest a major role for the gut microbiome in wound infections. A Trojan Horse mechanism of surgical site infections has been hypothesized to occur when pathogens in the gut, gums, and periodontal areas enter an immune cell and silently travel to the wound site where they release their infectious payload. Genetic tracking of microbes at the strain level is now possible with genetic sequencing techniques and can clarify the origin of microbes that cause wound infections. An emerging field of dietary prehabilitation to modulate the microbiome before surgery is being described to improve infection-related outcomes from surgery.
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Affiliation(s)
- Sanjiv Hyoju
- Department of Surgery, University of Chicago, Pritzker School of Medicine, 5841 South Maryland, Chicago, IL 60637, USA
| | - Kaylie Machutta
- University of Nevada, Reno School of Medicine, 1664 North Virginia Street, Reno, NV 89557, USA
| | - Monika A Krezalek
- Northshore University Health Systems, 1000 Central Street Suite 800, Evanston, IL 60201, USA
| | - John C Alverdy
- Department of Surgery, University of Chicago, Pritzker School of Medicine, 5841 South Maryland, Chicago, IL 60637, USA.
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9
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Haran A, Bergel M, Kleiman D, Hefetz L, Israeli H, Weksler-Zangen S, Agranovich B, Abramovich I, Ben-Haroush Schyr R, Gottlieb E, Ben-Zvi D. Differential effects of bariatric surgery and caloric restriction on hepatic one-carbon and fatty acid metabolism. iScience 2023; 26:107046. [PMID: 37389181 PMCID: PMC10300224 DOI: 10.1016/j.isci.2023.107046] [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: 11/09/2022] [Revised: 03/24/2023] [Accepted: 06/01/2023] [Indexed: 07/01/2023] Open
Abstract
Weight loss interventions, including dietary changes, pharmacotherapy, or bariatric surgery, prevent many of the adverse consequences of obesity, and may also confer intervention-specific benefits beyond those seen with decreased weight alone. We compared the molecular effects of different interventions on liver metabolism to understand the mechanisms underlying these benefits. Male rats on a high-fat, high-sucrose diet underwent sleeve gastrectomy (SG) or intermittent fasting with caloric restriction (IF-CR), achieving equivalent weight loss. The interventions were compared to ad-libitum (AL)-fed controls. Analysis of liver and blood metabolome and transcriptome revealed distinct and sometimes contrasting metabolic effects between the two interventions. SG primarily influenced one-carbon metabolic pathways, whereas IF-CR increased de novo lipogenesis and glycogen storage. These findings suggest that the unique metabolic pathways affected by SG and IF-CR contribute to their distinct clinical benefits, with bariatric surgery potentially influencing long-lasting changes through its effect on one-carbon metabolism.
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Affiliation(s)
- Arnon Haran
- Department of Hematology, Haddasah Medical Center, Jerusalem, Israel
| | - Michael Bergel
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, The Hebrew University of Jerusalem-Hadassah Medical School, Jerusalem, Israel
| | - Doron Kleiman
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, The Hebrew University of Jerusalem-Hadassah Medical School, Jerusalem, Israel
| | - Liron Hefetz
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, The Hebrew University of Jerusalem-Hadassah Medical School, Jerusalem, Israel
| | - Hadar Israeli
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, The Hebrew University of Jerusalem-Hadassah Medical School, Jerusalem, Israel
| | | | - Bella Agranovich
- Department of Cell Biology and Cancer Science, Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel
| | - Ifat Abramovich
- Department of Cell Biology and Cancer Science, Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel
| | - Rachel Ben-Haroush Schyr
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, The Hebrew University of Jerusalem-Hadassah Medical School, Jerusalem, Israel
| | - Eyal Gottlieb
- Department of Cell Biology and Cancer Science, Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel
| | - Danny Ben-Zvi
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, The Hebrew University of Jerusalem-Hadassah Medical School, Jerusalem, Israel
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10
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Rasouli-Saravani A, Jahankhani K, Moradi S, Gorgani M, Shafaghat Z, Mirsanei Z, Mehmandar A, Mirzaei R. Role of microbiota short-chain fatty acid chains in the pathogenesis of autoimmune diseases. Biomed Pharmacother 2023; 162:114620. [PMID: 37004324 DOI: 10.1016/j.biopha.2023.114620] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
There is emerging evidence that microbiota and its metabolites play an important role in helath and diseases. In this regard, gut microbiota has been found as a crucial component that influences immune responses as well as immune-related disorders such as autoimmune diseases. Gut bacterial dysbiosis has been shown to cause disease and altered microbiota metabolite synthesis, leading to immunological and metabolic dysregulation. Of note, microbiota in the gut produce short-chain fatty acids (SCFAs) such as acetate, butyrate, and propionate, and remodeling in these microbiota metabolites has been linked to the pathophysiology of a number of autoimmune disorders such as type 1 diabetes, multiple sclerosis, inflammatory bowel disease, rheumatoid arthritis, celiac disease, and systemic lupus erythematosus. In this review, we will address the most recent findings from the most noteworthy studies investigating the impact of microbiota SCFAs on various autoimmune diseases.
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Affiliation(s)
- Ashkan Rasouli-Saravani
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kasra Jahankhani
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shadi Moradi
- Department of Immunology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Melika Gorgani
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Zahra Shafaghat
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Zahra Mirsanei
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amirreza Mehmandar
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Rasoul Mirzaei
- Venom and Biotherapeutics Molecules Lab, Medical Biotechnology Department, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran.
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11
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Ismael S, Vaz C, Durão C, Silvestre MP, Calhau C, Teixeira D, Marques C. The impact of Hafnia alvei HA4597™ on weight loss and glycaemic control after bariatric surgery - study protocol for a triple-blinded, blocked randomized, 12-month, parallel-group, placebo-controlled clinical trial. Trials 2023; 24:362. [PMID: 37248499 PMCID: PMC10226263 DOI: 10.1186/s13063-023-07383-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 05/16/2023] [Indexed: 05/31/2023] Open
Abstract
BACKGROUND Subjects with obesity exhibit changes in gut microbiota composition and function (i.e. dysbiosis) that contribute to metabolic dysfunction, including appetite impairment. Although bariatric surgery is an effective treatment for obesity with a great impact on weight loss, some subjects show weight regain due to increased energy intake after the surgery. This surgery involves gut microbiota changes that promote appetite control, but it seems insufficient to completely restore the obesity-associated dysbiosis - a possible contributor for weight regain. Thus, modulating gut microbiota with probiotics that could improve appetite regulation as a complementary approach to post-operative diet (i.e. Hafnia alvei HA4597™), may accentuate post-surgery weight loss and insulin sensitivity. METHODS This is a protocol of a triple-blinded, blocked-randomized, parallel-group, placebo-controlled clinical trial designed to determine the effect of Hafnia alvei HA4597™ supplementation on weight loss and glycaemic control 1 year after bariatric surgery. Patients of Hospital CUF Tejo, Lisbon, that undergo Roux-en-Y gastric bypass are invited to participate in this study. Men and women between 18 and 65 years old, with a BMI ≥ 35 kg/m2 and at least one severe obesity-related comorbidity, or with a BMI ≥ 40 kg/m2, and who are willing to take 2 capsules of Hafnia alvei HA4597™ probiotic supplements (equivalent to 5 × 107 CFU) vs. placebo per day for 90 days are included in this study. Assessments are carried out at baseline, 3, 6, 9, and 12 months after the surgery. Loss of weight in excess and glycated haemoglobin are considered primary outcomes. In addition, changes in other metabolic and inflammatory outcomes, gut microbiota composition and metabolites, as well as gastrointestinal quality of life are also being assessed during the trial. DISCUSSION The evidence obtained in this study will provide relevant information regarding the profile of the intestinal microbiota of individuals with severe obesity and the identification of the risk/benefit ratio of the use of Hafnia alvei HA4597™ as an adjunctive treatment in the maintenance of metabolic and weight control one year after the surgical intervention. TRIAL REGISTRATION ClinicalTrials.gov NCT05170867. Registered on 28 December 2021.
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Affiliation(s)
- Shámila Ismael
- Nutrition & Metabolism, CHRC, NOVA Medical School, Faculdade de Ciências Médicas, NMS, FCM, Universidade Nova de Lisboa, Lisbon, Portugal
- Nutition & Metabolism, CINTESIS@RISE, NOVA Medical School, Faculdade de Ciências Médicas, NMS, FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Carlos Vaz
- Obesity and Metabolic Surgery Unit, Hospital CUF Tejo, Lisbon, Portugal
| | - Catarina Durão
- Obesity and Metabolic Surgery Unit, Hospital CUF Tejo, Lisbon, Portugal
- EPIUnit - Institute of Public Health, Universidade Do Porto, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), Porto, Portugal
| | - Marta P Silvestre
- Nutition & Metabolism, CINTESIS@RISE, NOVA Medical School, Faculdade de Ciências Médicas, NMS, FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Conceição Calhau
- Nutition & Metabolism, CINTESIS@RISE, NOVA Medical School, Faculdade de Ciências Médicas, NMS, FCM, Universidade Nova de Lisboa, Lisbon, Portugal
- Unidade Universitária Lifestyle Medicine José de Mello Saúde By NOVA Medical School, 1169-056, Lisbon, Portugal
| | - Diana Teixeira
- Nutrition & Metabolism, CHRC, NOVA Medical School, Faculdade de Ciências Médicas, NMS, FCM, Universidade Nova de Lisboa, Lisbon, Portugal.
- Nutition & Metabolism, CINTESIS@RISE, NOVA Medical School, Faculdade de Ciências Médicas, NMS, FCM, Universidade Nova de Lisboa, Lisbon, Portugal.
| | - Cláudia Marques
- Nutition & Metabolism, CINTESIS@RISE, NOVA Medical School, Faculdade de Ciências Médicas, NMS, FCM, Universidade Nova de Lisboa, Lisbon, Portugal.
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12
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Lante A, Canazza E, Tessari P. Beta-Glucans of Cereals: Functional and Technological Properties. Nutrients 2023; 15:2124. [PMID: 37432266 DOI: 10.3390/nu15092124] [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: 04/11/2023] [Revised: 04/22/2023] [Accepted: 04/25/2023] [Indexed: 07/12/2023] Open
Abstract
β-glucans are a polymeric dietary fiber characterized by β-(1,3) and β-(1,4) glycosidic bonds between glucose monomers. They are often used as thickeners, stabilizers, and fat substitutes in foods. The functional and technological quality of β-glucans is attributed to their origin/source, molecular weight, and structural properties. In particular, physical treatments such as drying, cooking, freezing, and refrigeration influence their molecular, morphological, and rheological characteristics. In addition to their useful technical qualities, β-glucans are recognized for their numerous beneficial impacts on human health. For this reason, the European Food Safety Authority (EFSA) has provided a positive opinion on health claims such as cholesterol lowering and hypoglycemic properties relating to oats and barley β-glucans. This paper provides insight into the properties of β-glucans and different treatments affecting their characteristics and then reviews the latest research on β-glucans as a functional ingredient for people with type 2 diabetes mellitus (T2DM).
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Affiliation(s)
- Anna Lante
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Viale dell'Università, 16, 35020 Padova, Italy
| | - Elisa Canazza
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Viale dell'Università, 16, 35020 Padova, Italy
| | - Paolo Tessari
- Department of Medicine (DIMED), University of Padova, 35128 Padova, Italy
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13
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Alverdy JC. Rationale for Colonic Pre-Habilitation Prior to Restoration of Gastrointestinal Continuity. Surg Infect (Larchmt) 2023; 24:265-270. [PMID: 37010975 PMCID: PMC10061335 DOI: 10.1089/sur.2023.001] [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] [Indexed: 04/04/2023] Open
Abstract
The emergence of the gut microbiome as a complex ecosystem that plays a key role in human heath and disease has touched virtually every aspect of medical and surgical care. With the advent of next-generation technology to interrogate the microbiome at the level of its membership, community structure and production of metabolites, applying measures by which the gut microbiome can be manipulated to the advantage of both the patient and provider is now possible. Among the many proposed methods, the most practical and promising is dietary pre-habilitation of the gut microbiome prior to high-risk anastomotic surgery. In this review, we will outline the scientific rationale and molecular underpinning that support dietary pre-habilitation as a practical and deliverable method to prevent complications after high-risk anastomotic surgery.
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Affiliation(s)
- John C. Alverdy
- Department of Surgery, University of Chicago, Pritzker School of Medicine, Chicago, Illinois, USA
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14
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Karimi R, Homayoonfal M, Malekjani N, Kharazmi MS, Jafari SM. Interaction between β-glucans and gut microbiota: a comprehensive review. Crit Rev Food Sci Nutr 2023; 64:7804-7835. [PMID: 36975759 DOI: 10.1080/10408398.2023.2192281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
Abstract
Gut microbiota (GMB) in humans plays a crucial role in health and diseases. Diet can regulate the composition and function of GMB which are associated with different human diseases. Dietary fibers can induce different health benefits through stimulation of beneficial GMB. β-glucans (BGs) as dietary fibers have gained much interest due to their various functional properties. They can have therapeutic roles on gut health based on modulation of GMB, intestinal fermentation, production of different metabolites, and so on. There is an increasing interest in food industries in commercial application of BG as a bioactive substance into food formulations. The aim of this review is considering the metabolizing of BGs by GMB, effects of BGs on the variation of GMB population, influence of BGs on the gut infections, prebiotic effects of BGs in the gut, in vivo and in vitro fermentation of BGs and effects of processing on BG fermentability.
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Affiliation(s)
- Reza Karimi
- Department of Food Science and Technology, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran
| | - Mina Homayoonfal
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Narjes Malekjani
- Department of Food Science and Technology, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran
| | | | - Seid Mahdi Jafari
- Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
- Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, Nutrition and Bromatology Group, Ourense, Spain
- College of Food Science and Technology, Hebei Agricultural University, Baoding, China
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15
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Anachad O, Taouil A, Taha W, Bennis F, Chegdani F. The Implication of Short-Chain Fatty Acids in Obesity and Diabetes. Microbiol Insights 2023; 16:11786361231162720. [PMID: 36994236 PMCID: PMC10041598 DOI: 10.1177/11786361231162720] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 02/21/2023] [Indexed: 03/28/2023] Open
Abstract
Evidence indicates that short-chain fatty acids (SCFAs) generated from the gut microbiota play crucial roles in host metabolism. They contribute to metabolic regulation and energy acquisition of the host by influencing the development of metabolic disorders. This review aims to synthesize recent advances from the literature to investigate the implication of SCFAs in the modulation of obesity and diabetes pathologies. For a better understanding of the relationships between SCFAs and host metabolism, we need to answer some questions: What is the biochemistry of SCFAs, and how they are generated by gut microbiota? What are the bacteria producing of SCFAs and from which routes? How SCFAs are absorbed and transported in the gut by different mechanisms and receptors? How SCFAs involved in obesity and diabetes pathologies?
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Affiliation(s)
- Oumaima Anachad
- Laboratory of Immunology and biodiversity, Faculty of Sciences Aïn Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - Amine Taouil
- Laboratory of Immunology and biodiversity, Faculty of Sciences Aïn Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - Wafaa Taha
- Laboratory of Immunology and biodiversity, Faculty of Sciences Aïn Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - Faiza Bennis
- Laboratory of Immunology and biodiversity, Faculty of Sciences Aïn Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - Fatima Chegdani
- Laboratory of Immunology and biodiversity, Faculty of Sciences Aïn Chock, Hassan II University of Casablanca, Casablanca, Morocco
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16
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Bueno de Mesquita CP, Wu D, Tringe SG. Methyl-Based Methanogenesis: an Ecological and Genomic Review. Microbiol Mol Biol Rev 2023; 87:e0002422. [PMID: 36692297 PMCID: PMC10029344 DOI: 10.1128/mmbr.00024-22] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Methyl-based methanogenesis is one of three broad categories of archaeal anaerobic methanogenesis, including both the methyl dismutation (methylotrophic) pathway and the methyl-reducing (also known as hydrogen-dependent methylotrophic) pathway. Methyl-based methanogenesis is increasingly recognized as an important source of methane in a variety of environments. Here, we provide an overview of methyl-based methanogenesis research, including the conditions under which methyl-based methanogenesis can be a dominant source of methane emissions, experimental methods for distinguishing different pathways of methane production, molecular details of the biochemical pathways involved, and the genes and organisms involved in these processes. We also identify the current gaps in knowledge and present a genomic and metagenomic survey of methyl-based methanogenesis genes, highlighting the diversity of methyl-based methanogens at multiple taxonomic levels and the widespread distribution of known methyl-based methanogenesis genes and families across different environments.
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Affiliation(s)
| | - Dongying Wu
- Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Susannah G. Tringe
- Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, California, USA
- Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, California, USA
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17
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Mervant L, Tremblay-Franco M, Olier M, Jamin E, Martin JF, Trouilh L, Buisson C, Naud N, Maslo C, Héliès-Toussaint C, Fouché E, Kesse-Guyot E, Hercberg S, Galan P, Deschasaux-Tanguy M, Touvier M, Pierre F, Debrauwer L, Guéraud F. Urinary Metabolome Analysis Reveals Potential Microbiota Alteration and Electrophilic Burden Induced by High Red Meat Diet: Results from the French NutriNet-Santé Cohort and an In Vivo Intervention Study in Rats. Mol Nutr Food Res 2023; 67:e2200432. [PMID: 36647294 DOI: 10.1002/mnfr.202200432] [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: 07/01/2022] [Revised: 11/22/2022] [Indexed: 01/18/2023]
Abstract
SCOPE High red and processed meat consumption is associated with several adverse outcomes such as colorectal cancer and overall global mortality. However, the underlying mechanisms remain debated and need to be elucidated. METHODS AND RESULTS Urinary untargeted Liquid Chromatography-Mass Spectrometry (LC-MS) metabolomics data from 240 subjects from the French cohort NutriNet-Santé are analyzed. Individuals are matched and divided into three groups according to their consumption of red and processed meat: high red and processed meat consumers, non-red and processed meat consumers, and at random group. Results are supported by a preclinical experiment where rats are fed either a high red meat or a control diet. Microbiota derived metabolites, in particular indoxyl sulfate and cinnamoylglycine, are found impacted by the high red meat diet in both studies, suggesting a modification of microbiota by the high red/processed meat diet. Rat microbiota sequencing analysis strengthens this observation. Although not evidenced in the human study, rat mercapturic acid profile concomitantly reveals an increased lipid peroxidation induced by high red meat diet. CONCLUSION Novel microbiota metabolites are identified as red meat consumption potential biomarkers, suggesting a deleterious effect, which could partly explain the adverse effects associated with high red and processed meat consumption.
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Affiliation(s)
- Loïc Mervant
- Toxalim, Toulouse University, INRAE, ENVT, INP-Purpan, UPS, Toulouse, 31027, France.,MetaboHUB-MetaToul, National Infrastructure of Metabolomics and Fluxomics, Toulouse, 31077, France.,French Network for Nutrition and Cancer Research (NACRe Network), Jouy-en-Josas, 78352, France
| | - Marie Tremblay-Franco
- Toxalim, Toulouse University, INRAE, ENVT, INP-Purpan, UPS, Toulouse, 31027, France.,MetaboHUB-MetaToul, National Infrastructure of Metabolomics and Fluxomics, Toulouse, 31077, France
| | - Maïwenn Olier
- Toxalim, Toulouse University, INRAE, ENVT, INP-Purpan, UPS, Toulouse, 31027, France
| | - Emilien Jamin
- Toxalim, Toulouse University, INRAE, ENVT, INP-Purpan, UPS, Toulouse, 31027, France.,MetaboHUB-MetaToul, National Infrastructure of Metabolomics and Fluxomics, Toulouse, 31077, France
| | - Jean-Francois Martin
- Toxalim, Toulouse University, INRAE, ENVT, INP-Purpan, UPS, Toulouse, 31027, France.,MetaboHUB-MetaToul, National Infrastructure of Metabolomics and Fluxomics, Toulouse, 31077, France
| | - Lidwine Trouilh
- Plateforme Genome et Transcriptome (GeT-Biopuces), Toulouse Biotechnology Institute (TBI), Université ide Toulouse, CNRS, INRAE, INSA, 135 avenue de Rangueil, Toulouse, F-31077, France
| | - Charline Buisson
- Toxalim, Toulouse University, INRAE, ENVT, INP-Purpan, UPS, Toulouse, 31027, France.,French Network for Nutrition and Cancer Research (NACRe Network), Jouy-en-Josas, 78352, France
| | - Nathalie Naud
- Toxalim, Toulouse University, INRAE, ENVT, INP-Purpan, UPS, Toulouse, 31027, France.,French Network for Nutrition and Cancer Research (NACRe Network), Jouy-en-Josas, 78352, France
| | - Claire Maslo
- Toxalim, Toulouse University, INRAE, ENVT, INP-Purpan, UPS, Toulouse, 31027, France
| | - Cécile Héliès-Toussaint
- Toxalim, Toulouse University, INRAE, ENVT, INP-Purpan, UPS, Toulouse, 31027, France.,French Network for Nutrition and Cancer Research (NACRe Network), Jouy-en-Josas, 78352, France
| | - Edwin Fouché
- Toxalim, Toulouse University, INRAE, ENVT, INP-Purpan, UPS, Toulouse, 31027, France.,French Network for Nutrition and Cancer Research (NACRe Network), Jouy-en-Josas, 78352, France
| | - Emmanuelle Kesse-Guyot
- French Network for Nutrition and Cancer Research (NACRe Network), Jouy-en-Josas, 78352, France.,Sorbonne Paris Nord University, INSERM U1153, INRAe U1125, CNAM, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center - University of Paris (CRESS), 74 rue Marcel Cachin, Bobigny, 93017, France
| | - Serge Hercberg
- French Network for Nutrition and Cancer Research (NACRe Network), Jouy-en-Josas, 78352, France.,Sorbonne Paris Nord University, INSERM U1153, INRAe U1125, CNAM, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center - University of Paris (CRESS), 74 rue Marcel Cachin, Bobigny, 93017, France
| | - Pilar Galan
- Sorbonne Paris Nord University, INSERM U1153, INRAe U1125, CNAM, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center - University of Paris (CRESS), 74 rue Marcel Cachin, Bobigny, 93017, France
| | - Mélanie Deschasaux-Tanguy
- French Network for Nutrition and Cancer Research (NACRe Network), Jouy-en-Josas, 78352, France.,Sorbonne Paris Nord University, INSERM U1153, INRAe U1125, CNAM, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center - University of Paris (CRESS), 74 rue Marcel Cachin, Bobigny, 93017, France
| | - Mathilde Touvier
- French Network for Nutrition and Cancer Research (NACRe Network), Jouy-en-Josas, 78352, France.,Sorbonne Paris Nord University, INSERM U1153, INRAe U1125, CNAM, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center - University of Paris (CRESS), 74 rue Marcel Cachin, Bobigny, 93017, France
| | - Fabrice Pierre
- Toxalim, Toulouse University, INRAE, ENVT, INP-Purpan, UPS, Toulouse, 31027, France.,French Network for Nutrition and Cancer Research (NACRe Network), Jouy-en-Josas, 78352, France
| | - Laurent Debrauwer
- Toxalim, Toulouse University, INRAE, ENVT, INP-Purpan, UPS, Toulouse, 31027, France.,MetaboHUB-MetaToul, National Infrastructure of Metabolomics and Fluxomics, Toulouse, 31077, France
| | - Francoise Guéraud
- Toxalim, Toulouse University, INRAE, ENVT, INP-Purpan, UPS, Toulouse, 31027, France.,French Network for Nutrition and Cancer Research (NACRe Network), Jouy-en-Josas, 78352, France
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18
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Rosli NSA, Abd Gani S, Khayat ME, Zaidan UH, Ismail A, Abdul Rahim MBH. Short-chain fatty acids: possible regulators of insulin secretion. Mol Cell Biochem 2023; 478:517-530. [PMID: 35943655 DOI: 10.1007/s11010-022-04528-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 07/12/2022] [Indexed: 10/15/2022]
Abstract
The benefits of gut microbiota-derived short-chain fatty acids (SCFAs) towards health and metabolism have been emerging since the past decade. Extensive studies have been carried out to understand the mechanisms responsible in initiating the functionalities of these SCFAs towards body tissues, which greatly involves the SCFA-specific receptors free fatty acid receptor 2 (FFAR2) and free fatty acid receptor 3 (FFAR3). This review intends to discuss the potential of SCFAs particularly in regulating insulin secretion in pancreatic β-cells, by explaining the production of SCFAs in the gut, the fate of each SCFAs after their production, involvement of FFAR2 and FFAR3 signalling mechanisms and their impacts on insulin secretion. Increased secretion of insulin after SCFAs treatments were reported in many studies, but contradicting evidence also exist in several other studies. Hence, no clear consensus was achieved in determining the true potential of SCFA in regulating insulin secretion. In this review, we explore how such differences were possible and hopefully be able to shed some perspectives in understanding SCFAs-signalling behaviour and preferences.
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Affiliation(s)
- Nur Suraya Ashikin Rosli
- Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Shafinaz Abd Gani
- Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Mohd Ezuan Khayat
- Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Uswatun Hasanah Zaidan
- Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Amin Ismail
- Department of Nutrition and Dietetics, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Mohd Badrin Hanizam Abdul Rahim
- Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Malaysia. .,Institut Biosains, NaturMeds, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
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19
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Martinez-Gili L, Pechlivanis A, McDonald JA, Begum S, Badrock J, Dyson JK, Jones R, Hirschfield G, Ryder SD, Sandford R, Rushbrook S, Thorburn D, Taylor-Robinson SD, Crossey MM, Marchesi JR, Mells G, Holmes E, Jones D. Bacterial and metabolic phenotypes associated with inadequate response to ursodeoxycholic acid treatment in primary biliary cholangitis. Gut Microbes 2023; 15:2208501. [PMID: 37191344 PMCID: PMC10190197 DOI: 10.1080/19490976.2023.2208501] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 04/06/2023] [Accepted: 04/21/2023] [Indexed: 05/17/2023] Open
Abstract
Primary biliary cholangitis (PBC) is a chronic cholestatic liver disease with ursodeoxycholic acid (UDCA) as first-line treatment. Poor response to UDCA is associated with a higher risk of progressing to cirrhosis, but the underlying mechanisms are unclear. UDCA modulates the composition of primary and bacterial-derived bile acids (BAs). We characterized the phenotypic response to UDCA based on BA and bacterial profiles of PBC patients treated with UDCA. Patients from the UK-PBC cohort (n = 419) treated with UDCA for a minimum of 12-months were assessed using the Barcelona dynamic response criteria. BAs from serum, urine, and feces were analyzed using Ultra-High-Performance Liquid Chromatography-Mass Spectrometry and fecal bacterial composition measured using 16S rRNA gene sequencing. We identified 191 non-responders, 212 responders, and a subgroup of responders with persistently elevated liver biomarkers (n = 16). Responders had higher fecal secondary and tertiary BAs than non-responders and lower urinary bile acid abundances, with the exception of 12-dehydrocholic acid, which was higher in responders. The sub-group of responders with poor liver function showed lower alpha-diversity evenness, lower abundance of fecal secondary and tertiary BAs than the other groups and lower levels of phyla with BA-deconjugation capacity (Actinobacteriota/Actinomycetota, Desulfobacterota, Verrucomicrobiota) compared to responders. UDCA dynamic response was associated with an increased capacity to generate oxo-/epimerized secondary BAs. 12-dehydrocholic acid is a potential biomarker of treatment response. Lower alpha-diversity and lower abundance of bacteria with BA deconjugation capacity might be associated with an incomplete response to treatment in some patients.
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Affiliation(s)
- Laura Martinez-Gili
- Division of Systems Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Alexandros Pechlivanis
- Division of Systems Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
- Biomic_Auth, Bioanalysis and Omics Laboratory, Center for Interdisciplinary Research and Innovation (CIRI-AUTH), Balkan Centre, Thessaloniki, Greece
| | - Julie A.K. McDonald
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Sofina Begum
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Jonathan Badrock
- Academic Department of Medical Genetics, Cambridge University, Cambridge, UK
| | - Jessica K. Dyson
- Liver Unit, Freeman Hospital, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
- Institute of Translational and Clinical Research, Newcastle University, Newcastle upon Tyne, UK
| | - Rebecca Jones
- Leeds Liver Unit, St James’s University Hospital, Leeds, UK
| | - Gideon Hirschfield
- Center for Liver and Gastroenterology Research and National Institute for Health Research (NIHR) Birmingham Biomedical Research Centre, University of Birmingham, Birmingham, UK
| | - Stephen D. Ryder
- NIHR Biomedical Research Centre at Nottingham University Hospitals NHS Trust, University of Nottingham, Nottingham, UK
| | - Richard Sandford
- Academic Department of Medical Genetics, Cambridge University, Cambridge, UK
| | - Simon Rushbrook
- Department of Gastroenterology, Norfolk and Norwich University Hospital, Norwich, UK
| | - Douglas Thorburn
- UCL Royal Free Campus, Royal Free Hospital, University College London Institute of Liver and Digestive Health, London, UK
| | | | - Mary M.E. Crossey
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Julian R. Marchesi
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - George Mells
- Academic Department of Medical Genetics, Cambridge University, Cambridge, UK
- Department of Hepatology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Elaine Holmes
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
- Center for Computational & Systems Medicine, Murdoch University, Perth, Australia
| | - David Jones
- Liver Unit, Freeman Hospital, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
- Institute of Translational and Clinical Research, Newcastle University, Newcastle upon Tyne, UK
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20
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Khorasaniha R, Olof H, Voisin A, Armstrong K, Wine E, Vasanthan T, Armstrong H. Diversity of fibers in common foods: Key to advancing dietary research. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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21
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Feng Y, Hang L, Zhou Y, Jiang FR, Yuan JY. Gut microbiota plays a role in irritable bowel syndrome by regulating 5-HT metabolism. Shijie Huaren Xiaohua Zazhi 2022; 30:941-949. [DOI: 10.11569/wcjd.v30.i21.941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Irritable bowel syndrome (IBS) is a common chronic functional gastrointestinal disorder. Brain-gut-microbiota axis dysfunction is an important pathogenic factor for IBS, in which neurotransmitters and gut microbes play key roles. The gastrointestinal tract contains large amounts of serotonin (5-hydroxytryptamine, 5-HT), a neurotransmitter that has been strongly linked to IBS-related symptoms. More than 90% of serotonin is synthesized in the gut by enterochromaffin cells (ECs), and certain intestinal flora can affect the occurrence and development of IBS by regulating 5-HT and its metabolism. In this review, we will discuss the role of gut microbiota in IBS by regulating 5-HT.
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Affiliation(s)
- Ya Feng
- Institute of Digestive Diseases, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Lu Hang
- Institute of Digestive Diseases, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Yan Zhou
- Institute of Digestive Diseases, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Feng-Ru Jiang
- Institute of Digestive Diseases, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Jian-Ye Yuan
- Institute of Digestive Diseases, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
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22
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De Santis S, Crupi P, Piacente L, Mestice A, Colabufo NA, Amodio L, Pontrelli P, Gesualdo L, Moschetta A, Clodoveo ML, Faienza MF, Corbo F. Extra virgin olive oil extract rich in secoiridoids induces an anti-inflammatory profile in peripheral blood mononuclear cells from obese children. Front Nutr 2022; 9:1017090. [PMID: 36386923 PMCID: PMC9643887 DOI: 10.3389/fnut.2022.1017090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 09/30/2022] [Indexed: 11/26/2022] Open
Abstract
Obesity represents an important public health challenge of the twenty first century reaching epidemic proportions worldwide; this is especially true for the pediatric population. In this context, bioactive compounds from foods are crucial to counteract chronic inflammation as a typical feature of obesity. In particular, extra virgin olive oil (EVOO) is one of the most important functional foods exerting, among others, an anti-inflammatory activity not only due to its major (monounsaturated fatty acids) but also to its minor (phenolics) components, as reported in the last years. However, only a limited number of studies were performed on pediatric population, and even fewer are those focusing on EVOO phenolics that investigate the correlation of the chemical characterization with the biological function. Thus, starting from our in vitro data identifying an EVOO chemical profile characterized by a high content of secoiridoids correlating with an anti-inflammatory effect, we studied the ability of an EVOO extract with the same chemical profile to retain this function ex vivo. Specifically, peripheral blood mononuclear cells (PBMCs) collected from obese children were treated with EVOO and olive oil extracts, characterized by a low polyphenol content, to study the ability of secoiridoids to dampen the inflammatory response. A reduction of pro-inflammatory CD14+CD16+ monocytes was detected by cytofluorimetric analysis when PBMCs were treated with EVOO as compared to olive oil extracts. According to this, a down modulation of CCL2 and CCL4 chemokines involved in the recruitment of inflammatory cells, was reported in the supernatants of EVOO relative to olive oil extracts treated PBMCs. Moreover, a high-throughput gene expression analysis revealed that PBMCs molecular profile from obese children is greatly modulated after the treatment with EVOO extract in terms of metabolic and inflammatory pathways. Importantly, some of the significantly modulated genes were involved in the pathways promoting the development of severe obesity. Overall, our ex vivo data demonstrated the ability of EVOO to reduce the inflammatory milieu of PBMCs from obese children both at protein and molecular levels. Of note, a good correlation between the EVOO chemical profile and the biological modulations in terms of anti-inflammatory activity was reported.
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Affiliation(s)
- Stefania De Santis
- Department of Pharmacy-Pharmaceutical Science, University of Bari Aldo Moro, Bari, Italy
- *Correspondence: Stefania De Santis,
| | - Pasquale Crupi
- Department of Interdisciplinary Medicine, University of Bari Aldo Moro, Bari, Italy
| | - Laura Piacente
- Pediatric Unit, Department of Biomedical Sciences and Human Oncology, University of Bari Aldo Moro, Bari, Italy
| | - Anna Mestice
- Hematology Unit, Department of Emergency and Organ Transplantation, University of Bari Aldo Moro, Bari, Italy
| | - Nicola Antonio Colabufo
- Department of Pharmacy-Pharmaceutical Science, University of Bari Aldo Moro, Bari, Italy
- Biofordrug, Laboratory for Clinical and Chemical Analyses, Bari, Italy
| | - Loredana Amodio
- Biofordrug, Laboratory for Clinical and Chemical Analyses, Bari, Italy
| | - Paola Pontrelli
- Nephrology Unit, Department of Emergency and Organ Transplantation, University of Bari Aldo Moro, Bari, Italy
| | - Loreto Gesualdo
- Nephrology Unit, Department of Emergency and Organ Transplantation, University of Bari Aldo Moro, Bari, Italy
| | - Antonio Moschetta
- Department of Interdisciplinary Medicine, University of Bari Aldo Moro, Bari, Italy
| | - Maria Lisa Clodoveo
- Department of Interdisciplinary Medicine, University of Bari Aldo Moro, Bari, Italy
| | - Maria Felicia Faienza
- Pediatric Unit, Department of Biomedical Sciences and Human Oncology, University of Bari Aldo Moro, Bari, Italy
| | - Filomena Corbo
- Department of Pharmacy-Pharmaceutical Science, University of Bari Aldo Moro, Bari, Italy
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23
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Morozova MV, Borisova MA, Snytnikova OA, Achasova KM, Litvinova EA, Tsentalovich YP, Kozhevnikova EN. Colitis-associated intestinal microbiota regulates brain glycine and host behavior in mice. Sci Rep 2022; 12:16345. [PMID: 36175462 PMCID: PMC9522854 DOI: 10.1038/s41598-022-19219-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 08/25/2022] [Indexed: 11/09/2022] Open
Abstract
Inflammatory bowel diseases (IBD) are chronic and relapsing inflammatory disorders of the gastrointestinal tract with complex etiology and no strategies for complete cure. IBD are often complicated by mental disorders like anxiety and depression, indicating substantial shifts in the microbiota gut-brain axis. However, the mechanisms connecting IBD to mental diseases are still under debate. Here we use Muc2 knockout mouse model of chronic colitis to uncouple the effects of the intestinal microbiota on host behavior from chronic inflammation in the gut. Muc2 knockout male mice exhibit high exploratory activity, reduced anxiety-related behaviors, impaired sensorimotor gating, and altered social preference towards males and females. Microbial transfer to wild-type mice via littermate co-housing shows that colitis-associated microbiota rather than inflammation per se defines behavioral features in Muc2 colitis model. Metagenomic profiling and combination of antibiotic treatments revealed that bacterial species Akkermansia muciniphila is associated with the behavioral phenotype in mutants, and that its intestinal abundance correlates with social preference towards males. Metabolomic analysis together with pharmacological inhibition of Gly and NMDA receptors helped us to determine that brain glycine is responsible for the behavioral phenotype in Muc2 mice. Blood and brain metabolic profiles suggest that microbiota-dependent changes in choline metabolism might be involved in regulation of central glycine neurotransmission. Taken together, our data demonstrates that colitis-associated microbiota controls anxiety, sensorimotor gating and social behavior via metabolic regulation of the brain glycinergic system, providing new venues to combat neurological complications of IBD.
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Affiliation(s)
- Maryana V Morozova
- Scientific Research Institute of Neurosciences and Medicine (SRINM), Novosibirsk, 630117, Russian Federation
- Institute of Molecular and Cellular Biology SB RAS, Novosibirsk, Russian Federation
| | - Mariya A Borisova
- The Federal Research Center Institute of Cytology and Genetics SB RAS, Novosibirsk, Russian Federation
| | - Olga A Snytnikova
- International Tomography Center SB RAS, Novosibirsk, Russian Federation
| | - Kseniya M Achasova
- Scientific Research Institute of Neurosciences and Medicine (SRINM), Novosibirsk, 630117, Russian Federation
- Institute of Molecular and Cellular Biology SB RAS, Novosibirsk, Russian Federation
| | - Ekaterina A Litvinova
- Scientific Research Institute of Neurosciences and Medicine (SRINM), Novosibirsk, 630117, Russian Federation
- Center of Technological Excellence, Novosibirsk State Technical University, Novosibirsk, Russian Federation
| | | | - Elena N Kozhevnikova
- Scientific Research Institute of Neurosciences and Medicine (SRINM), Novosibirsk, 630117, Russian Federation.
- Institute of Molecular and Cellular Biology SB RAS, Novosibirsk, Russian Federation.
- Novosibirsk State Agrarian University, Novosibirsk, Russian Federation.
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24
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Chen Y, He LX, Chen JL, Xu X, Wang JJ, Zhan XH, Jiao JW, Dong G, Li EM, Xu LY. L2Δ13, a splicing isoform of lysyl oxidase-like 2, causes adipose tissue loss via the gut microbiota and lipid metabolism. iScience 2022; 25:104894. [PMID: 36060061 PMCID: PMC9436769 DOI: 10.1016/j.isci.2022.104894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 05/16/2022] [Accepted: 08/03/2022] [Indexed: 02/05/2023] Open
Abstract
Obesity is primarily characterized by the dysregulation of lipid metabolism and gut microbiota. Here, we found that the body weight of transgenic mice overexpressing L2Δ13, a selectively spliced isoform of lysyl oxidase-like 2 (LOXL2), was lower than that of wild-type (WT) mice. Numerous microbiotas were significantly changed and most microbial metabolites were abnormal in L2Δ13 mice. Lipid metabolites in feces were negatively correlated with those in plasma, suggesting that L2Δ13 may affect lipid uptake, and potentially, adipose tissue homeostasis. This was supported by the weight loss and decreased area of adipose tissue in L2Δ13 mice. Adipogenic differentiation of primary stromal vascular fraction cells showed that the lipid droplets of L2Δ13 cells were significantly smaller than those of WT cells. Adipocyte differentiation-associated genes were also downregulated in adipose tissue from L2Δ13 mice. Thus, L2Δ13 can induce adipose tissue loss in mice by affecting gut microbiota homeostasis and multi-tissue lipid metabolism.
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Affiliation(s)
- Yang Chen
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Institute of Oncologic Pathology, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
| | - Li-Xia He
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Institute of Oncologic Pathology, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
| | - Jin-Ling Chen
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Institute of Oncologic Pathology, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
| | - Xin Xu
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Institute of Oncologic Pathology, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
| | - Juan-Juan Wang
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Institute of Oncologic Pathology, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
| | - Xiu-Hui Zhan
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
| | - Ji-Wei Jiao
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
| | - Geng Dong
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
- Medical Informatics Research Center, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
| | - En-Min Li
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
| | - Li-Yan Xu
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Institute of Oncologic Pathology, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, P.R. China
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25
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Liangkai W, Gaifeng H, Cimin L, Fengming C, Xinliang B, Rui L, Yulong Y. Dietary silymarin ameliorating reproductive and lactation performance of sows via regulating body antioxidant and metabolism. DIGITAL CHINESE MEDICINE 2022. [DOI: 10.1016/j.dcmed.2022.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Chavez DE, Gronau I, Hains T, Dikow RB, Frandsen PB, Figueiró HV, Garcez FS, Tchaicka L, de Paula RC, Rodrigues FHG, Jorge RSP, Lima ES, Songsasen N, Johnson WE, Eizirik E, Koepfli KP, Wayne RK. Comparative genomics uncovers the evolutionary history, demography, and molecular adaptations of South American canids. Proc Natl Acad Sci U S A 2022; 119:e2205986119. [PMID: 35969758 PMCID: PMC9407222 DOI: 10.1073/pnas.2205986119] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 06/28/2022] [Indexed: 11/18/2022] Open
Abstract
The remarkable radiation of South American (SA) canids produced 10 extant species distributed across diverse habitats, including disparate forms such as the short-legged, hypercarnivorous bush dog and the long-legged, largely frugivorous maned wolf. Despite considerable research spanning nearly two centuries, many aspects of their evolutionary history remain unknown. Here, we analyzed 31 whole genomes encompassing all extant SA canid species to assess phylogenetic relationships, interspecific hybridization, historical demography, current genetic diversity, and the molecular bases of adaptations in the bush dog and maned wolf. We found that SA canids originated from a single ancestor that colonized South America 3.9 to 3.5 Mya, followed by diversification east of the Andes and then a single colonization event and radiation of Lycalopex species west of the Andes. We detected extensive historical gene flow between recently diverged lineages and observed distinct patterns of genomic diversity and demographic history in SA canids, likely induced by past climatic cycles compounded by human-induced population declines. Genome-wide scans of selection showed that disparate limb proportions in the bush dog and maned wolf may derive from mutations in genes regulating chondrocyte proliferation and enlargement. Further, frugivory in the maned wolf may have been enabled by variants in genes associated with energy intake from short-chain fatty acids. In contrast, unique genetic variants detected in the bush dog may underlie interdigital webbing and dental adaptations for hypercarnivory. Our analyses shed light on the evolution of a unique carnivoran radiation and how it was shaped by South American topography and climate change.
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Affiliation(s)
- Daniel E. Chavez
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095
- Biodesign Institute, School of Life Sciences, Arizona State University, Tempe, AZ 85287
| | - Ilan Gronau
- Efi Arazi School of Computer Science, Reichman University, Herzliya 46150, Israel
| | - Taylor Hains
- Committee on Evolutionary Biology, University of Chicago, Chicago, IL 60637
| | - Rebecca B. Dikow
- Data Science Lab, Office of the Chief Information Officer, Smithsonian Institution, Washington, DC 20560
| | - Paul B. Frandsen
- Data Science Lab, Office of the Chief Information Officer, Smithsonian Institution, Washington, DC 20560
- Department of Plant and Wildlife Sciences, Brigham Young University, Provo, UT 84602
| | - Henrique V. Figueiró
- Smithsonian’s National Zoo and Conservation Biology Institute, Center for Species Survival, Front Royal, VA 22630
- School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, 90619-900, Brazil
| | - Fabrício S. Garcez
- School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, 90619-900, Brazil
| | - Ligia Tchaicka
- Rede de Biodiversidade e Biotecnologia da Amazônia, Curso de Pós-Graduação em Recursos Aquáticos e Pesca, Universidade Estadual do Maranhão, São Luis, 2016-8100, Brazil
| | - Rogério C. de Paula
- Centro Nacional de Pesquisa e Conservação de Mamíferos Carnívoros, Instituto Chico Mendes de Conservação da Biodiversidade, 12952-011, Atibaia, Brazil
| | - Flávio H. G. Rodrigues
- Department of Genetics, Ecology and Evolution, Universidade Federal de Minas Gerais, Belo Horizonte, 31270-901, Brazil
| | - Rodrigo S. P. Jorge
- Centro Nacional de Avaliação da Biodiversidade e de Pesquisa e Conservação do Cerrado, Instituto Chico Mendes de Conservação da Biodiversidade, Brasilia, 70670-350, Brazil
| | - Edson S. Lima
- Private address, Nova Xavantina, MT, 78690-000, Brazil
| | - Nucharin Songsasen
- Smithsonian’s National Zoo and Conservation Biology Institute, Center for Species Survival, Front Royal, VA 22630
| | - Warren E. Johnson
- Smithsonian’s National Zoo and Conservation Biology Institute, Center for Species Survival, Front Royal, VA 22630
| | - Eduardo Eizirik
- School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, 90619-900, Brazil
- Instituto Pró-Carnívoros, Atibaia, 12945-010, Brazil
- Instituto Nacional de Ciência e Tecnologia em Ecologia Evolução Conservação da Biodiverside, Universidade Federal de GoiásGoiânia, 74690-900, Brazil
| | - Klaus-Peter Koepfli
- Smithsonian’s National Zoo and Conservation Biology Institute, Center for Species Survival, Front Royal, VA 22630
- Smithsonian-Mason School of Conservation, George Mason University, Front Royal, VA 22630
| | - Robert K. Wayne
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095
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Bain JT, Taal MW, Selby NM, Reynolds JC, Heaney LM. Simple, high-throughput measurement of gut-derived short-chain fatty acids in clinically relevant biofluids using gas chromatography-mass spectrometry. J Mass Spectrom Adv Clin Lab 2022; 25:36-43. [PMID: 35875358 PMCID: PMC9304766 DOI: 10.1016/j.jmsacl.2022.07.002] [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: 02/03/2022] [Revised: 07/13/2022] [Accepted: 07/13/2022] [Indexed: 11/04/2022] Open
Abstract
A high-throughput assay for measurement of short-chain fatty acids in biofluids. A simple, time efficient liquid–liquid extraction protocol with no derivatization. Recommend use of lithium heparin plasma or clotting activator serum collection. Clinical applicability demonstrated by measurement of kidney disease patient samples.
Introduction The quantitative measurement of circulating gut bacteria-derived metabolites has increased in recent years due to their associations with health and disease. While much of the previous attention has been placed on metabolites considered as deleterious to health, a shift to the investigation of short-chain fatty acids (SCFAs) as potential health promotors has been observed. Objectives To develop a simple, high-throughput and quantitative assay to measure gut-derived SCFAs in clinically relevant biofluids using gas chromatography-mass spectrometry (GC–MS). Methods A short (7.5 min) GC–MS assay was optimized for measurement of seven straight- and branched-chain SCFAs and their deuterated isotopes using a wax-based column for analysis without prior derivatization. The assay was validated using routine criteria to assess precision, accuracy, matrix effects, recovery, and extraction reproducibility. Assay applicability was tested in cohorts of healthy individuals and kidney disease patients. Results The assay was demonstrated to be precise, accurate and reproducible with acceptable levels of matrix effect and analyte recovery. Lower limits of detection and quantitation were in the low ng/mL range. An investigation into different blood collection tube chemistries demonstrated that lithium heparin plasma and serum clotting activator tubes are recommended for use in future cross-study comparisons. Kidney disease patient analyses demonstrated variable differences across SCFAs when comparing hemodialysis to earlier stages of chronic kidney disease, demonstrating the suitability of the assay for translation to clinical analyses. Conclusion The assay has been validated and identified as reliable for use in larger-scale studies for the analysis of SCFAs in human plasma and serum.
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Medvedev A, Buneeva O. Tryptophan Metabolites as Mediators of Microbiota-Gut-Brain Communication: Focus on Isatin. Front Behav Neurosci 2022; 16:922274. [PMID: 35846785 PMCID: PMC9280024 DOI: 10.3389/fnbeh.2022.922274] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Accepted: 05/31/2022] [Indexed: 12/01/2022] Open
Abstract
Isatin (indole-2,3-dione) is an endogenous regulator, exhibiting various behavioral, biological, and pharmacological activities. Synthesis of isatin includes several crucial stages: cleavage of the tryptophan side chain and subsequent oxidation of the indole nucleus. Although these stages require concerted action of bacterial and host enzymes, there are two pathways of isatin formation: the host and bacterial pathways. Isatin acts as a neuroprotector in different experimental models of neurodegeneration. Its effects are realized via up- and downregulation of isatin-responsive genes and via interaction with numerous isatin-binding proteins identified in the brain. The effect of isatin on protein-protein interactions in the brain may be important for realization of weak inhibition of multiple receptor targets.
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Gut microbiota alternation under the intestinal epithelium-specific knockout of mouse Piga gene. Sci Rep 2022; 12:10812. [PMID: 35752737 PMCID: PMC9233684 DOI: 10.1038/s41598-022-15150-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 04/22/2022] [Indexed: 11/08/2022] Open
Abstract
Crosstalk between the gut microbiota and intestinal epithelium shapes the gut environment and profoundly influences the intestinal immune homeostasis. Glycosylphosphatidylinositol anchored proteins (GPI – APs) contribute to a variety of gut-associated immune functions, including microbial surveillance and defense, and epithelial cell polarity. Properly polarised epithelial cells are essential for the establishment of the barrier function of gut epithelia. The Piga gene is one among seven genes that encode for an enzyme which is involved in the first step of GPI-anchor biosynthesis. This is the first study reporting a knockout of the intestinal epithelial cell-specific Piga gene (Piga-/-) and its association with the gut microbiota in mice using a whole metagenome shotgun-based sequencing approach. An overall reduced microbiota diversity has been observed in the Piga-/- group as compared to the control group (ANOVA p = 0.34). The taxonomic biomarkers, namely: Gammaproteobacteria (class), Enterobacterales (order), Enterobacteriaceae (family), Escherichia (genus), Proteus (genus) and Escherichia coli (species), increased more in the Piga-/- mice as compared to in the control group. Further, the pathogenic E. coli strains, namely E. coli O157:H7 str. EDL 933 (EHEC), E. coli CFT073 (UPEC) and E. coli 536 (UPEC), were found in the Piga-/- mice which also harbored virulence factor transporters. In addition, the taxa responsible for short chain fatty acid production were decreased in the Piga-/- group. The Piga-/- mice gut harbored an increased number of microbial functions responsible for the survival of pathogens in the inflamed gut environment. Our observations clearly indicate that the Piga-/- mice gut might have an overall enhancement in pathogenic behaviour and reduced capabilities beneficial to health.
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30
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Ye X, Li H, Anjum K, Zhong X, Miao S, Zheng G, Liu W, Li L. Dual Role of Indoles Derived From Intestinal Microbiota on Human Health. Front Immunol 2022; 13:903526. [PMID: 35784338 PMCID: PMC9248744 DOI: 10.3389/fimmu.2022.903526] [Citation(s) in RCA: 60] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 05/23/2022] [Indexed: 12/12/2022] Open
Abstract
Endogenous indole and its derivatives (indoles), considered as promising N-substituted heterocyclic compounds, are tryptophan metabolites derived from intestinal microbiota and exhibit a range of biological activities. Recent studies indicate that indoles contribute to maintaining the biological barrier of the human intestine, which exert the anti-inflammatory activities mainly through activating AhR and PXR receptors to affect the immune system’s function, significantly improving intestinal health (inflammatory bowel disease, hemorrhagic colitis, colorectal cancer) and further promote human health (diabetes mellitus, central system inflammation, and vascular regulation). However, the revealed toxic influences cannot be ignored. Indoxyl sulfate, an indole derivative, performs nephrotoxicity and cardiovascular toxicity. We addressed the interaction between indoles and intestinal microbiota and the indoles’ effects on human health as double-edged swords. This review provides scientific bases for the correlation of indoles with diseases moreover highlights several directions for subsequent indoles-related studies.
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Affiliation(s)
- Xuewei Ye
- State Key Laboratory for Diagnosis and Treatment of Infectious Disease, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University, Hangzhou, China
- Department of Basic Medical Sciences, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Haiyi Li
- Department of Basic Medical Sciences, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Komal Anjum
- Department of Medicine and pharmacy, Ocean University of China, Qingdao, China
| | - Xinye Zhong
- Department of Basic Medical Sciences, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Shuping Miao
- Department of Basic Medical Sciences, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Guowan Zheng
- Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, Hangzhou, China
- Otolaryngology & Head and Neck Center, Cancer Center, Department of Head and Neck Surgery, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Wei Liu
- Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
- *Correspondence: Lanjuan Li, ; Wei Liu,
| | - Lanjuan Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Disease, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University, Hangzhou, China
- *Correspondence: Lanjuan Li, ; Wei Liu,
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Zhao H, Chen R, Zheng D, Xiong F, Jia F, Liu J, Zhang L, Zhang N, Zhu S, Liu Y, Zhao L, Liu X. Modified Banxia Xiexin Decoction Ameliorates Polycystic Ovarian Syndrome With Insulin Resistance by Regulating Intestinal Microbiota. Front Cell Infect Microbiol 2022; 12:854796. [PMID: 35619648 PMCID: PMC9127304 DOI: 10.3389/fcimb.2022.854796] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 04/11/2022] [Indexed: 12/12/2022] Open
Abstract
Objective To analyze the characteristics of the intestinal microbiota of polycystic ovarian syndrome with insulin resistance (PCOS-IR) and explore the possible mechanism of modified Banxia Xiexin Decoction in the treatment of PCOS-IR. Methods A total of 17 specific pathogen-free (SPF) female Sprague–Dawley (SD) rats, aged 21 days, were selected and randomly divided into the control group (group Z, n = 6), model group (group M, n = 6), and treatment group (group A, n = 5). Letrozole combined with a high-fat diet was used to induce the PCOS-IR model. Rats in group A were treated with modified Banxia Xiexin Decoction for 2 weeks after the end of modeling; then the characteristics of reproductive, metabolic, inflammatory, and intestinal microbiota were compared among three groups. Results The PCOS-IR model had an imbalance of intestinal microbiota, and the enriched microbiota was mainly class Coriobacteria, order Clostridiales, and genus Clostridium_sensu_stricto_1. Modified Banxia Xiexin Decoction can regulate the disorder of intestinal microbiota diversity, significantly increase the abundance of phyla Verrucomicrobiota Proteobacteria and genera Akkermansia and Blautia, and decrease the abundance of genus Clostridium_sensu_stricto_1. Conclusion Genus Clostridium_sensu_stricto_1 might be the pivotal pathogenic bacteria of PCOS-IR. Modified Banxia Xiexin Decoction may ameliorate PCOS-IR by regulating intestinal microbiota imbalance and improving metabolic disorders.
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Affiliation(s)
- Hongyu Zhao
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Rufeng Chen
- Graduate College, Beijing University of Chinese Medicine, Beijing, China
| | - Dongxue Zheng
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Feng Xiong
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - Fan Jia
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jinyuan Liu
- Graduate College, Beijing University of Chinese Medicine, Beijing, China
| | - Lili Zhang
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Nana Zhang
- Graduate College, Beijing University of Chinese Medicine, Beijing, China
| | - Shiqin Zhu
- Graduate College, Beijing University of Chinese Medicine, Beijing, China
| | - Yongmei Liu
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Linhua Zhao
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xinmin Liu
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Xinmin Liu,
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Cheng HY, Chan JCY, Yap GC, Huang CH, Kioh DYQ, Tham EH, Loo EXL, Shek LPC, Karnani N, Goh A, Van Bever HPS, Teoh OH, Chan YH, Lay C, Knol J, Yap F, Tan KH, Chong YS, Godfrey KM, Chan ECY, Lee BW, Ta LDH. Evaluation of Stool Short Chain Fatty Acids Profiles in the First Year of Life With Childhood Atopy-Related Outcomes. FRONTIERS IN ALLERGY 2022; 3:873168. [PMID: 35769572 PMCID: PMC9234937 DOI: 10.3389/falgy.2022.873168] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 03/21/2022] [Indexed: 11/13/2022] Open
Abstract
Introduction Short chain fatty acids (SCFAs) are the main intestinal intermediate and end products of metabolism of dietary fibers/polyphenols by the gut microbiota. The aim of this study was to evaluate the biological implication of stool SCFA profiles determined in the first year of life on the clinical presentation of allergic outcomes in childhood. Methods From the Growing Up in Singapore Toward healthy Outcomes (GUSTO) cohort, a sub-cohort of 75 participants was recruited. Scheduled questionnaire data was collected for cumulative prevalence of physician-diagnosed eczema, wheezing with the use of nebuliser, and allergen sensitization till the age of 8 years. Stool samples collected at week 3 and months 3, 6 and 12 were quantitated for 9 SCFAs using LC/MS/MS. SCFA data were grouped into lower (below the 25th) and higher (above the 75th percentiles) categories. Generalized Linear Mixed Models was employed to analyse longitudinal association between SCFAs and atopy-related outcomes. Results Children with lower stool butyric acid levels (≤25th percentile) over the first 3 time points had higher odds ratio (OR) for wheezing (adjOR = 14.6), eczema (adjOR = 13.2), food sensitization (adjOR = 12.3) and combined outcomes of both wheezing and eczema (adjOR = 22.6) till age 8 years, compared to those with higher levels (≥75 percentile). Additionally, lower longitudinal levels of propionic acid (≤25th percentile) over 4 time points in first year of life was associated with recurrent wheezing (≥2 episodes) till 8 years (adjOR = 7.4) (adj p < 0.05). Conclusion Our results suggest that relatively low levels of gut SCFAs in early life are associated with increased susceptibility to atopic-related outcomes in childhood.
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Affiliation(s)
- Hsin Yue Cheng
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - James Chun Yip Chan
- Singapore Institute of Food and Biotechnology Innovation, ASTAR, Singapore, Singapore
- Skin Research Institute of Singapore, A*STAR, Singapore, Singapore
| | - Gaik Chin Yap
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Chiung-Hui Huang
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Dorinda Yan Qin Kioh
- Department of Pharmacy, Faculty of Science, National University of Singapore, Singapore, Singapore
| | - Elizabeth Huiwen Tham
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Khoo Teck Puat-National University Children's Medical Institute, National University Health System, Singapore, Singapore
| | - Evelyn Xiu Ling Loo
- Singapore Institute for Clinical Sciences (SICS), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Lynette P. C. Shek
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Khoo Teck Puat-National University Children's Medical Institute, National University Health System, Singapore, Singapore
| | - Neerja Karnani
- Singapore Institute for Clinical Sciences (SICS), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Anne Goh
- Department of Paediatrics, KK Women's and Children's Hospital, Singapore, Singapore
| | - Hugo P. S. Van Bever
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Department of Paediatrics, KK Women's and Children's Hospital, Singapore, Singapore
| | - Oon Hoe Teoh
- Department of Paediatrics, KK Women's and Children's Hospital, Singapore, Singapore
| | - Yiong Huak Chan
- Biostatistics Unit, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Christophe Lay
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Danone Nutricia Research, Singapore, Singapore
| | - Jan Knol
- Danone Nutricia Research, Utrecht, Netherlands
- Laboratory of Microbiology, Wageningen University, Wageningen, Netherlands
| | - Fabian Yap
- Department of Paediatrics, KK Women's and Children's Hospital, Singapore, Singapore
| | - Kok Hian Tan
- Department of Paediatrics, KK Women's and Children's Hospital, Singapore, Singapore
| | - Yap-Seng Chong
- Singapore Institute for Clinical Sciences (SICS), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
- Department of Obstetrics and Gynaecology, National University of Singapore, Singapore, Singapore
| | - Keith M. Godfrey
- MRC Lifecourse Epidemiology Centre and NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom
| | - Eric Chun Yong Chan
- Department of Pharmacy, Faculty of Science, National University of Singapore, Singapore, Singapore
| | - Bee Wah Lee
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Le Duc Huy Ta
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- *Correspondence: Le Duc Huy Ta
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Méndez-López LF, Sosa de León D, López-Cabanillas Lomelí M, González-Martínez BE, Vázquez-Rodríguez JA. Phytochemicals From Vicia faba Beans as Ligands of the Aryl Hydrocarbon Receptor to Regulate Autoimmune Diseases. Front Nutr 2022; 9:790440. [PMID: 35308285 PMCID: PMC8931403 DOI: 10.3389/fnut.2022.790440] [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: 10/06/2021] [Accepted: 01/12/2022] [Indexed: 11/13/2022] Open
Abstract
Legumes are associated with gut health benefits, and increasing evidence indicates that their consumption reduces the risk of chronic diseases that include autoimmunity. Beans are rich sources of compounds with health-promoting effects, and recent metabolomic approaches have enabled the comprehensive characterization of the chemical composition of Vicia faba L. This article reviewed whether the phytocompounds in broad beans might modulate the aryl hydrocarbon receptor (AhR), which plays an essential role in autoantigen tolerance as a potential dietary strategy for autoimmune disease management. Therefore, thirty molecules present in Vicia faba of the chemical classes of flavonoids, chalcones, stilbenes, jasmonates, alkaloids, and amino acids, and either a human- or microbiome-derived product of biotransformation, retrieved from the literature or predicted in silico were evaluated by docking for affinity against the ligand-binding domain of AhR. Most analyzed compounds showed high affinity even after their metabolism which indicate that some AhR modulators remain active despite several steps in their biotransformation. Hence, our results suggest that in similitude with the gut metabolism of the tryptophan, phytocompounds mainly polyphenols also lead to metabolites that induce the AhR pathway. Furthermore, wyerone acid, wyerone epoxide, jasmonic acid, stizolamine, vicine, and convicine and their metabolite derivatives are reported for the first time as potential AhR ligands. Overall, chronic consumption of phytochemicals in Vicia faba L. and their gut biotransformation may protect against autoimmune disease pathogenesis by AhR modulation.
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Affiliation(s)
- Luis Fernando Méndez-López
- Laboratorio de Alimentos, Centro de Investigación en Nutrición y Salud Pública, Facultad de Salud Pública y Nutrición, Universidad Autónoma de Nuevo León, Monterrey, Mexico
| | | | | | | | - Jesús Alberto Vázquez-Rodríguez
- Laboratorio de Alimentos, Centro de Investigación en Nutrición y Salud Pública, Facultad de Salud Pública y Nutrición, Universidad Autónoma de Nuevo León, Monterrey, Mexico
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Menghini R, Hoyles L, Cardellini M, Casagrande V, Marino A, Gentileschi P, Davato F, Mavilio M, Arisi I, Mauriello A, Montanaro M, Scimeca M, Barton RH, Rappa F, Cappello F, Vinciguerra M, Moreno-Navarrete JM, Ricart W, Porzio O, Fernández-Real JM, Burcelin R, Dumas ME, Federici M. ITCH E3 Ubiquitin Ligase downregulation compromises hepatic degradation of branched-chain amino acids. Mol Metab 2022; 59:101454. [PMID: 35150905 PMCID: PMC8886057 DOI: 10.1016/j.molmet.2022.101454] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 01/27/2022] [Accepted: 01/28/2022] [Indexed: 11/19/2022] Open
Abstract
Objective Metabolic syndrome, obesity, and steatosis are characterized by a range of dysregulations including defects in ubiquitin ligase tagging proteins for degradation. The identification of novel hepatic genes associated with fatty liver disease and metabolic dysregulation may be relevant to unravelling new mechanisms involved in liver disease progression Methods Through integrative analysis of liver transcriptomic and metabolomic obtained from obese subjects with steatosis, we identified itchy E ubiquitin protein ligase (ITCH) as a gene downregulated in human hepatic tissue in relation to steatosis grade. Wild-type or ITCH knockout mouse models of non-alcoholic fatty liver disease (NAFLD) and obesity-related hepatocellular carcinoma were analyzed to dissect the causal role of ITCH in steatosis Results We show that ITCH regulation of branched-chain amino acids (BCAAs) degradation enzymes is impaired in obese women with grade 3 compared with grade 0 steatosis, and that ITCH acts as a gatekeeper whose loss results in elevation of circulating BCAAs associated with hepatic steatosis. When ITCH expression was specifically restored in the liver of ITCH knockout mice, ACADSB mRNA and protein are restored, and BCAA levels are normalized both in liver and plasma Conclusions Our data support a novel functional role for ITCH in the hepatic regulation of BCAA metabolism and suggest that targeting ITCH in a liver-specific manner might help delay the progression of metabolic hepatic diseases and insulin resistance. ITCH expression is reduced in liver during NAFLD. Transcriptomics analysis of liver in obese women highlighted the interplay between ITCH and genes involved in BCAA degradation. Modulation of ITCH in models of metabolic hepatic diseases supported the association between ITCH and BCAA metabolism. Targeting ITCH in a liver specific manner might help to delay the progression of metabolic hepatic diseases and insulin resistance.
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Affiliation(s)
- Rossella Menghini
- Department of Systems Medicine, University of Rome "Tor Vergata", Via Montpellier 1, 00133, Rome, Italy
| | - Lesley Hoyles
- Department of Biosciences, Nottingham Trent University, Nottingham NG11 8NS, United Kingdom
| | - Marina Cardellini
- Department of Systems Medicine, University of Rome "Tor Vergata", Via Montpellier 1, 00133, Rome, Italy
| | - Viviana Casagrande
- Department of Systems Medicine, University of Rome "Tor Vergata", Via Montpellier 1, 00133, Rome, Italy
| | - Arianna Marino
- Department of Systems Medicine, University of Rome "Tor Vergata", Via Montpellier 1, 00133, Rome, Italy
| | - Paolo Gentileschi
- Department of Surgery, University of Rome "Tor Vergata", Via Montpellier 1, 00133, Rome, Italy
| | - Francesca Davato
- Department of Systems Medicine, University of Rome "Tor Vergata", Via Montpellier 1, 00133, Rome, Italy
| | - Maria Mavilio
- Department of Systems Medicine, University of Rome "Tor Vergata", Via Montpellier 1, 00133, Rome, Italy
| | - Ivan Arisi
- European Brain Research Institute (EBRI) "Rita Levi-Montalcini", Viale Regina Elena, 295, 00161, Rome, Italy; CNR, Institute of Translational Pharmacology (IFT), Via del Fosso del Cavaliere 100, 00131, Rome, Italy
| | - Alessandro Mauriello
- Department of Experimental Medicine, University of Rome "Tor Vergata", Via Montpellier 1, 00133, Rome, Italy
| | - Manuela Montanaro
- Department of Experimental Medicine, University of Rome "Tor Vergata", Via Montpellier 1, 00133, Rome, Italy
| | - Manuel Scimeca
- Department of Experimental Medicine, University of Rome "Tor Vergata", Via Montpellier 1, 00133, Rome, Italy
| | - Richard H Barton
- Imperial College London, Section of Biomolecular Medicine, Division of Systems Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, Exhibition Road, London, SW7 2AZ, United Kingdom
| | - Francesca Rappa
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostic (BIND), University of Palermo, Palermo, Italy; Euro-Mediterranean Institute of Science and Technology (IEMEST), Palermo, Italy
| | - Francesco Cappello
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostic (BIND), University of Palermo, Palermo, Italy; Euro-Mediterranean Institute of Science and Technology (IEMEST), Palermo, Italy
| | - Manlio Vinciguerra
- International Clinical Research Center (FNUSA-ICRC), St Anne University Hospital, Brno, Czech Republic; Institute of Liver and Digestive Health, Division of Medicine, University College London (UCL), London, United Kingdom
| | - José Maria Moreno-Navarrete
- Department of Diabetes, Endocrinology and Nutrition, University Hospital of Girona 'Dr Josep Trueta' Institut d'Investigacio Biomedica de Girona IdibGi; and CIBER Fisiopatologia de la Obesidad y Nutricion, Girona, Spain
| | - Wifredo Ricart
- Department of Diabetes, Endocrinology and Nutrition, University Hospital of Girona 'Dr Josep Trueta' Institut d'Investigacio Biomedica de Girona IdibGi; and CIBER Fisiopatologia de la Obesidad y Nutricion, Girona, Spain
| | - Ottavia Porzio
- Department of Experimental Medicine, University of Rome "Tor Vergata", Via Montpellier 1, 00133, Rome, Italy
| | - José-Manuel Fernández-Real
- Department of Diabetes, Endocrinology and Nutrition, University Hospital of Girona 'Dr Josep Trueta' Institut d'Investigacio Biomedica de Girona IdibGi; and CIBER Fisiopatologia de la Obesidad y Nutricion, Girona, Spain; Department of Medical Sciences. School of Medicine, University of Girona, Spain
| | - Rémy Burcelin
- INSERM and University Paul Sabatier: Institut des Maladies Métaboliques et Cardiovasculaires, INSERM U1048 F-31432 Toulouse, France and Université Paul Sabatier, F-31432, Toulouse, France
| | - Marc-Emmanuel Dumas
- Imperial College London, Section of Biomolecular Medicine, Division of Systems Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, Exhibition Road, London, SW7 2AZ, United Kingdom; Section of Genomic and Environmental Medicine, Respiratory Division, National Heart and Lung Institute, Imperial College London, Dovehouse St, London, SW3 6LY, United Kingdom; European Genomic Institute for Diabetes, CNRS UMR 8199, INSERM UMR 1283, Institut Pasteur de Lille, Lille University Hospital, University of Lille, 59045, Lille, France; McGill University and Genome Quebec Innovation Centre, 740 Doctor Penfield Avenue, Montréal, QC, H3A 0G1, Canada.
| | - Massimo Federici
- Department of Systems Medicine, University of Rome "Tor Vergata", Via Montpellier 1, 00133, Rome, Italy; Center for Atherosclerosis, University Hospital "Policlinico Tor Vergata", Italy.
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Interplay between Dysbiosis of Gut Microbiome, Lipid Metabolism, and Tumorigenesis: Can Gut Dysbiosis Stand as a Prognostic Marker in Cancer? DISEASE MARKERS 2022; 2022:2941248. [PMID: 35178126 PMCID: PMC8847007 DOI: 10.1155/2022/2941248] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Accepted: 01/11/2022] [Indexed: 02/07/2023]
Abstract
The gut bacterial community is involved in the metabolism of bile acids and short-chain fatty acids (SCFAs). Bile acids are involved in the absorption of fat and the regulation of lipid homeostasis through emulsification and are transformed into unconjugated bile acids by the gut microbiota. The gut microbiota is actively involved in the production of bile acid metabolites, such as deoxycholic acid, lithocholic acid, choline, and SCFAs such as acetate, butyrate, and propionate. Metabolites derived from the gut microbiota or modified gut microbiota metabolites contribute significantly to host pathophysiology. Gut bacterial metabolites, such as deoxycholic acid, contribute to the development of hepatocellular carcinoma and colon cancer by factors such as inflammation and oxidative DNA damage. Butyrate, which is derived from gut bacteria such as Megasphaera, Roseburia, Faecalibacterium, and Clostridium, is associated with the activation of Treg cell differentiation in the intestine through histone acetylation. Butyrate averts the action of class I histone deacetylases (HDAC), such as HDAC1 and HDAC3, which are responsible for the transcription of genes such as p21/Cip1, and cyclin D3 through hyperacetylation of histones, which orchestrates G1 cell cycle arrest. It is essential to identify the interaction between the gut microbiota and bile acid and SCFA metabolism to understand their role in gastrointestinal carcinogenesis including colon, gastric, and liver cancer. Metagenomic approaches with bioinformatic analyses are used to identify the bacterial species in the metabolism of bile acids and SCFAs. This review provides an overview of the current knowledge of gut microbiota-derived bile acid metabolism in tumor development and whether it can stand as a marker for carcinogenesis. Additionally, this review assesses the evidence of gut microbiota-derived short-chain fatty acids including butyric acid in antitumor activity. Future research is required to identify the beneficial commensal gut bacteria and their metabolites which will be considered to be therapeutic targets in inflammation-mediated gastrointestinal cancers.
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Intestinal gluconeogenesis shapes gut microbiota, fecal and urine metabolome in mice with gastric bypass surgery. Sci Rep 2022; 12:1415. [PMID: 35082330 PMCID: PMC8791999 DOI: 10.1038/s41598-022-04902-y] [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: 09/10/2021] [Accepted: 12/30/2021] [Indexed: 11/18/2022] Open
Abstract
Intestinal gluconeogenesis (IGN), gastric bypass (GBP) and gut microbiota positively regulate glucose homeostasis and diet-induced dysmetabolism. GBP modulates gut microbiota, whether IGN could shape it has not been investigated. We studied gut microbiota and microbiome in wild type and IGN-deficient mice, undergoing GBP or not, and fed on either a normal chow (NC) or a high-fat/high-sucrose (HFHS) diet. We also studied fecal and urine metabolome in NC-fed mice. IGN and GBP had a different effect on the gut microbiota of mice fed with NC and HFHS diet. IGN inactivation increased abundance of Deltaproteobacteria on NC and of Proteobacteria such as Helicobacter on HFHS diet. GBP increased abundance of Firmicutes and Proteobacteria on NC-fed WT mice and of Firmicutes, Bacteroidetes and Proteobacteria on HFHS-fed WT mice. The combined effect of IGN inactivation and GBP increased abundance of Actinobacteria on NC and the abundance of Enterococcaceae and Enterobacteriaceae on HFHS diet. A reduction was observed in the amounf of short-chain fatty acids in fecal (by GBP) and in both fecal and urine (by IGN inactivation) metabolome. IGN and GBP, separately or combined, shape gut microbiota and microbiome on NC- and HFHS-fed mice, and modify fecal and urine metabolome.
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Portincasa P, Bonfrate L, Vacca M, De Angelis M, Farella I, Lanza E, Khalil M, Wang DQH, Sperandio M, Di Ciaula A. Gut Microbiota and Short Chain Fatty Acids: Implications in Glucose Homeostasis. Int J Mol Sci 2022; 23:ijms23031105. [PMID: 35163038 PMCID: PMC8835596 DOI: 10.3390/ijms23031105] [Citation(s) in RCA: 267] [Impact Index Per Article: 133.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 01/17/2022] [Accepted: 01/19/2022] [Indexed: 02/07/2023] Open
Abstract
Gut microbiota encompasses a wide variety of commensal microorganisms consisting of trillions of bacteria, fungi, and viruses. This microbial population coexists in symbiosis with the host, and related metabolites have profound effects on human health. In this respect, gut microbiota plays a pivotal role in the regulation of metabolic, endocrine, and immune functions. Bacterial metabolites include the short chain fatty acids (SCFAs) acetate (C2), propionate (C3), and butyrate (C4), which are the most abundant SCFAs in the human body and the most abundant anions in the colon. SCFAs are made from fermentation of dietary fiber and resistant starch in the gut. They modulate several metabolic pathways and are involved in obesity, insulin resistance, and type 2 diabetes. Thus, diet might influence gut microbiota composition and activity, SCFAs production, and metabolic effects. In this narrative review, we discuss the relevant research focusing on the relationship between gut microbiota, SCFAs, and glucose metabolism.
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Affiliation(s)
- Piero Portincasa
- Clinica Medica “A. Murri”, Department of Biomedical Sciences & Human Oncology, University of Bari “Aldo Moro”, 70124 Bari, Italy; (I.F.); (E.L.); (M.K.); (A.D.C.)
- Correspondence: (P.P.); (L.B.)
| | - Leonilde Bonfrate
- Clinica Medica “A. Murri”, Department of Biomedical Sciences & Human Oncology, University of Bari “Aldo Moro”, 70124 Bari, Italy; (I.F.); (E.L.); (M.K.); (A.D.C.)
- Correspondence: (P.P.); (L.B.)
| | - Mirco Vacca
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, Via Amendola 165/a, 70126 Bari, Italy; (M.V.); (M.D.A.)
| | - Maria De Angelis
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, Via Amendola 165/a, 70126 Bari, Italy; (M.V.); (M.D.A.)
| | - Ilaria Farella
- Clinica Medica “A. Murri”, Department of Biomedical Sciences & Human Oncology, University of Bari “Aldo Moro”, 70124 Bari, Italy; (I.F.); (E.L.); (M.K.); (A.D.C.)
| | - Elisa Lanza
- Clinica Medica “A. Murri”, Department of Biomedical Sciences & Human Oncology, University of Bari “Aldo Moro”, 70124 Bari, Italy; (I.F.); (E.L.); (M.K.); (A.D.C.)
| | - Mohamad Khalil
- Clinica Medica “A. Murri”, Department of Biomedical Sciences & Human Oncology, University of Bari “Aldo Moro”, 70124 Bari, Italy; (I.F.); (E.L.); (M.K.); (A.D.C.)
| | - David Q.-H. Wang
- Department of Medicine and Genetics, Division of Gastroenterology and Liver Diseases, Marion Bessin Liver Research Center, Einstein-Mount Sinai Diabetes Research Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA;
| | - Markus Sperandio
- Biomedical Center (BMC), Institute for Cardiovascular Physiology and Pathophysiology, Walter Brendel Center for Experimental Medicine (WBex), Faculty of Medicine, Ludwig-Maximilians-Universität Munich, 82152 Planegg-Martinsried, Germany;
| | - Agostino Di Ciaula
- Clinica Medica “A. Murri”, Department of Biomedical Sciences & Human Oncology, University of Bari “Aldo Moro”, 70124 Bari, Italy; (I.F.); (E.L.); (M.K.); (A.D.C.)
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The potential impact of the ketogenic diet on gut microbiota in the context of neurological disorders. POSTEP HIG MED DOSW 2022. [DOI: 10.2478/ahem-2022-0019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
One of the most important functional parts of a human intestinal tract is the microscopic intestinal barrier. Its function is to ensure the correct nutrient absorption and to protect against multiple pathogens, xenobiotics, and environmental toxins. Intestinal microbiota is an integral part of the intestinal epithelium. Human microbiota and their host interact with each other, both directly and indirectly, via multiple intermediates and metabolites. Some dietary fat that is not fully digested reaches the distal parts of the intestinal tract, where an interaction with gut microbiota takes place. Studies have shown that an animal-product based diet that provides a greater supply of saturated fat increases the number of bile-resistant microorganisms, including Bilophila. The total amount of Alistipes and Bacteroides is also increased. Long-term consumption of animal-based foods contributes to the formation of the enterotype described as the Bacteroides type. The ketogenic diet is mainly based on animal fats. The changes induced by this higher consumption of animal fats are associated with unfavorable metabolic changes. However, more and more research has shown evidence of the therapeutic properties of a ketogenic diet as far as neurodegenerative and metabolic diseases are concerned. Recent reports suggest that the protective effect of a ketogenic diet is highly dependent on the gut microbiota. This review focuses on the correlation between the influence of ketogenic diet on the intestinal microbiota changes observed while analyzing patients with diseases such as epilepsy, Alzheimer's disease, autism spectrum disorder, and multiple sclerosis.
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Hernandez-Baixauli J, Puigbò P, Abasolo N, Palacios-Jordan H, Foguet-Romero E, Suñol D, Galofré M, Caimari A, Baselga-Escudero L, Bas JMD, Mulero M. Alterations in Metabolome and Microbiome Associated with an Early Stress Stage in Male Wistar Rats: A Multi-Omics Approach. Int J Mol Sci 2021; 22:12931. [PMID: 34884735 PMCID: PMC8657954 DOI: 10.3390/ijms222312931] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/22/2021] [Accepted: 11/23/2021] [Indexed: 11/24/2022] Open
Abstract
Stress disorders have dramatically increased in recent decades becoming the most prevalent psychiatric disorder in the United States and Europe. However, the diagnosis of stress disorders is currently based on symptom checklist and psychological questionnaires, thus making the identification of candidate biomarkers necessary to gain better insights into this pathology and its related metabolic alterations. Regarding the identification of potential biomarkers, omic profiling and metabolic footprint arise as promising approaches to recognize early biochemical changes in such disease and provide opportunities for the development of integrative candidate biomarkers. Here, we studied plasma and urine metabolites together with metagenomics in a 3 days Chronic Unpredictable Mild Stress (3d CUMS) animal approach that aims to focus on the early stress period of a well-established depression model. The multi-omics integration showed a profile composed by a signature of eight plasma metabolites, six urine metabolites and five microbes. Specifically, threonic acid, malic acid, alpha-ketoglutarate, succinic acid and cholesterol were proposed as key metabolites that could serve as key potential biomarkers in plasma metabolome of early stages of stress. Such findings targeted the threonic acid metabolism and the tricarboxylic acid (TCA) cycle as important pathways in early stress. Additionally, an increase in opportunistic microbes as virus of the Herpesvirales was observed in the microbiota as an effect of the primary stress stages. Our results provide an experimental biochemical characterization of the early stage of CUMS accompanied by a subsequent omic profiling and a metabolic footprinting that provide potential candidate biomarkers.
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Affiliation(s)
- Julia Hernandez-Baixauli
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, 43204 Reus, Spain; (J.H.-B.); (P.P.); (A.C.); (L.B.-E.)
| | - Pere Puigbò
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, 43204 Reus, Spain; (J.H.-B.); (P.P.); (A.C.); (L.B.-E.)
- Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, 43007 Tarragona, Spain
- Department of Biology, University of Turku, 20014 Turku, Finland
| | - Nerea Abasolo
- Eurecat, Centre Tecnològic de Catalunya, Centre for Omic Sciences (COS), Joint Unit Universitat Rovira i Virgili-EURECAT, 43204 Reus, Spain; (N.A.); (H.P.-J.); (E.F.-R.)
| | - Hector Palacios-Jordan
- Eurecat, Centre Tecnològic de Catalunya, Centre for Omic Sciences (COS), Joint Unit Universitat Rovira i Virgili-EURECAT, 43204 Reus, Spain; (N.A.); (H.P.-J.); (E.F.-R.)
| | - Elisabet Foguet-Romero
- Eurecat, Centre Tecnològic de Catalunya, Centre for Omic Sciences (COS), Joint Unit Universitat Rovira i Virgili-EURECAT, 43204 Reus, Spain; (N.A.); (H.P.-J.); (E.F.-R.)
| | - David Suñol
- Eurecat, Centre Tecnològic de Catalunya, Digital Health, 08005 Barcelona, Spain; (D.S.); (M.G.)
| | - Mar Galofré
- Eurecat, Centre Tecnològic de Catalunya, Digital Health, 08005 Barcelona, Spain; (D.S.); (M.G.)
| | - Antoni Caimari
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, 43204 Reus, Spain; (J.H.-B.); (P.P.); (A.C.); (L.B.-E.)
| | - Laura Baselga-Escudero
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, 43204 Reus, Spain; (J.H.-B.); (P.P.); (A.C.); (L.B.-E.)
| | - Josep M. Del Bas
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, 43204 Reus, Spain; (J.H.-B.); (P.P.); (A.C.); (L.B.-E.)
| | - Miquel Mulero
- Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, 43007 Tarragona, Spain
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, 43007 Tarragona, Spain
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Wang Q, Wang Y, Wang YJ, Ma N, Zhou YJ, Zhuang H, Zhang XH, Li C, Pei YH, Liu SL. Dissection of the Functional Mechanism of Human Gut Bacterial Strain AD16 by Secondary Metabolites' Identification, Network Pharmacology, and Experimental Validation. Front Pharmacol 2021; 12:706220. [PMID: 34803669 PMCID: PMC8602878 DOI: 10.3389/fphar.2021.706220] [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: 05/27/2021] [Accepted: 09/29/2021] [Indexed: 11/13/2022] Open
Abstract
Gut microbiota plays important roles in several metabolic processes, such as appetite and food intake and absorption of nutrients from the gut. It is also of great importance in the maintenance of the health of the host. However, much remains unknown about the functional mechanisms of human gut microbiota itself. Here, we report the identification of one anticancer gut bacterial strain AD16, which exhibited potent suppressive effects on a broad range of solid and blood malignancies. The secondary metabolites of the strain were isolated and characterized by a bioactivity-guided isolation strategy. Five new compounds, streptonaphthalenes A and B (1-2), pestaloficins F and G (3-4), and eudesmanetetraiol A (5), together with nine previously known compounds, were isolated from the effective fractions of AD16. Structures of the new compounds were established by 1D and 2D NMR and MS analysis, and the absolute configurations were determined by the CD method. The analysis of network pharmacology suggested that 3, 2, and 13 could be the key components for the anti-NSCLC activity of AD16. In addition to the PI3K–Akt signaling pathway, the proteoglycans in cancer pathway could be involved in the anti-NSCLC action of AD16.
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Affiliation(s)
- Qin Wang
- Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy, Harbin Medical University, Harbin, China
| | - Yao Wang
- Genomics Research Center (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Ya-Jing Wang
- Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy, Harbin Medical University, Harbin, China
| | - Nan Ma
- Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy, Harbin Medical University, Harbin, China
| | - Yu-Jie Zhou
- Genomics Research Center (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy, Harbin Medical University, Harbin, China
| | - He Zhuang
- Genomics Research Center (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Xing-Hua Zhang
- Genomics Research Center (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Chang Li
- Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy, Harbin Medical University, Harbin, China
| | - Yue-Hu Pei
- Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy, Harbin Medical University, Harbin, China
| | - Shu-Lin Liu
- Genomics Research Center (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), College of Pharmacy, Harbin Medical University, Harbin, China.,Department of Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, AB, Canada
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41
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Zhang X, Shi L, Chen R, Zhao Y, Ren D, Yang X. Chlorogenic acid inhibits trimethylamine- N-oxide formation and remodels intestinal microbiota to alleviate liver dysfunction in high L-carnitine feeding mice. Food Funct 2021; 12:10500-10511. [PMID: 34558577 DOI: 10.1039/d1fo01778k] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
High L-carnitine ingestion has been shown to cause liver injury, mechanically due to an elevated circulating level of trimethylamine-N-oxide (TMAO), a gut microbiota-derived metabolite from L-carnitine. This study aimed to investigate whether chlorogenic acid (CGA), a health-promoting polyphenol, could inhibit TMAO formation and thereafter might prevent L-carnitine-induced liver injury in mice. Feeding of mice with 3% L-carnitine in drinking water increased the serum and urinary levels of TMAO (p < 0.01 vs. Normal), whereas the serum and urinary TMAO formation was sharply reduced by CGA administration (p < 0.01). At the phylum level, CGA inhibited the L-carnitine-induced increase in the abundance of Firmicutes and Proteobacteria, while it promoted Bacteroidetes. At the genus level, CGA notably increased the abundance of Akkermansia and Bacteroides, but reduced the population of Erysipelatoclostridium, Faecalibaculum and Erysipelotrichaceae in high L-carnitine feeding mice. Meanwhile, CGA caused strong inhibition against the increase of liver injury markers (i.e. AST, ALT and ALP), hepatic inflammatory cytokines (i.e. IL-1, IL-6, TNF-α and TNF-β) and dyslipidemia (i.e. TC, TG, LDL-C and HDL-C) in L-carnitine-fed mice (p < 0.05). These findings suggest that CGA holds great potential to alleviate liver dysfunction induced by high L-carnitine ingestion. The beneficial effect might be attributed to the protection against TMAO formation and the improvement of the health-promoting gut microbiota, as well as the antioxidant and anti-inflammatory properties of CGA.
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Affiliation(s)
- Xiangnan Zhang
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, and Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
| | - Lin Shi
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, and Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
| | - Rui Chen
- Key Laboratory of Ministry of Education for Medicinal Resource and Natural Pharmaceutical Chemistry, College of Life Sciences, Shaanxi Normal University, Xi'an 710119, China
| | - Yan Zhao
- Key Laboratory of Ministry of Education for Medicinal Resource and Natural Pharmaceutical Chemistry, College of Life Sciences, Shaanxi Normal University, Xi'an 710119, China
| | - Daoyuan Ren
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, and Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
| | - Xingbin Yang
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, and Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China.
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42
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Oost MJ, Velkers FC, Kraneveld AD, Venema K. Development of the in vitro Cecal Chicken ALIMEntary tRact mOdel-2 to Study Microbiota Composition and Function. Front Microbiol 2021; 12:726447. [PMID: 34707583 PMCID: PMC8542841 DOI: 10.3389/fmicb.2021.726447] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 09/16/2021] [Indexed: 01/04/2023] Open
Abstract
The digestive system of the chicken plays an important role in metabolism, immunity, and chicken health and production performance. The chicken ceca harbor a diverse microbial community and play a crucial role in the microbial fermentation and production of energy-rich short-chain fatty acids (SCFA). For humans, dogs, and piglets in vitro digestive system models have been developed and are used to study the microbiota composition and metabolism after intervention studies. For chickens, most research on the cecal microbiota has been performed in in vivo experiments or in static in vitro models that may not accurately resemble the in vivo situations. This paper introduces an optimized digestive system model that simulates the conditions in the ceca of the chicken, i.e., the Chicken ALIMEntary tRact mOdel-2 (CALIMERO-2). The system is based on the well-validated TNO in vitro model of the colon-2 (TIM-2) and is the first dynamic in vitro digestion model for chickens species. To validate this model, the pH, temperature, and different types of microbial feeding were compared and analyzed, to best mimic the conditions in the chicken ceca. The bacterial composition, as well as the metabolite production at 72 h, showed no significant difference between the different microbial feedings. Moreover, we compared the CALIMERO-2 digestive samples to the original inoculum and found some significant shifts in bacterial composition after the fermentation started. Over time the bacterial diversity increased and became more similar to the original inoculum. We can conclude that CALIMERO-2 is reproducible and can be used as a digestive system model for the chicken ceca, in which the microbial composition and activity can be maintained and shows similar results to the in vivo cecum. CALIMERO-2 can be used to study effects on composition and activity of the chicken cecum microbiota in response to in-feed interventions.
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Affiliation(s)
- Miriam J Oost
- Centre for Healthy Eating and Food Innovation, Faculty of Science and Engineering, Maastricht University-Campus Venlo, Venlo, Netherlands.,Division Farm Animal Health, Department Population Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | - Francisca C Velkers
- Division Farm Animal Health, Department Population Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | - Aletta D Kraneveld
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands
| | - Koen Venema
- Centre for Healthy Eating and Food Innovation, Department of Human Biology, Faculty of Health, Medicine and Life Sciences, Maastricht University, Venlo, Netherlands
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Kumpitsch C, Fischmeister FPS, Mahnert A, Lackner S, Wilding M, Sturm C, Springer A, Madl T, Holasek S, Högenauer C, Berg IA, Schoepf V, Moissl-Eichinger C. Reduced B12 uptake and increased gastrointestinal formate are associated with archaeome-mediated breath methane emission in humans. MICROBIOME 2021; 9:193. [PMID: 34560884 PMCID: PMC8464155 DOI: 10.1186/s40168-021-01130-w] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 07/06/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Methane is an end product of microbial fermentation in the human gastrointestinal tract. This gas is solely produced by an archaeal subpopulation of the human microbiome. Increased methane production has been associated with abdominal pain, bloating, constipation, IBD, CRC or other conditions. Twenty percent of the (healthy) Western populations innately exhale substantially higher amounts (>5 ppm) of this gas. The underlying principle for differential methane emission and its effect on human health is not sufficiently understood. RESULTS We assessed the breath methane content, the gastrointestinal microbiome, its function and metabolome, and dietary intake of one-hundred healthy young adults (female: n = 52, male: n = 48; mean age =24.1). On the basis of the amount of methane emitted, participants were grouped into high methane emitters (CH4 breath content 5-75 ppm) and low emitters (CH4 < 5 ppm). The microbiomes of high methane emitters were characterized by a 1000-fold increase in Methanobrevibacter smithii. This archaeon co-occurred with a bacterial community specialized on dietary fibre degradation, which included members of Ruminococcaceae and Christensenellaceae. As confirmed by metagenomics and metabolomics, the biology of high methane producers was further characterized by increased formate and acetate levels in the gut. These metabolites were strongly correlated with dietary habits, such as vitamin, fat and fibre intake, and microbiome function, altogether driving archaeal methanogenesis. CONCLUSIONS This study enlightens the complex, multi-level interplay of host diet, genetics and microbiome composition/function leading to two fundamentally different gastrointestinal phenotypes and identifies novel points of therapeutic action in methane-associated disorders. Video Abstract.
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Affiliation(s)
- Christina Kumpitsch
- Diagnostic and Research Institute of Hygiene, Microbiology and Environmental Medicine, Medical University of Graz, Neue Stiftingtalstraße 6, 8010 Graz, Austria
| | - Florian Ph. S. Fischmeister
- Department of Psychology, University of Graz, 8010 Graz, Austria
- Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, 1090 Vienna, Austria
| | - Alexander Mahnert
- Diagnostic and Research Institute of Hygiene, Microbiology and Environmental Medicine, Medical University of Graz, Neue Stiftingtalstraße 6, 8010 Graz, Austria
| | - Sonja Lackner
- Division of Immunology and Pathophysiology, Medical University of Graz, 8010 Graz, Austria
| | - Marilena Wilding
- Department of Psychology, University of Graz, 8010 Graz, Austria
| | - Corina Sturm
- Department of Psychology, University of Graz, 8010 Graz, Austria
| | - Anna Springer
- Gottfried Schatz Research Center for Cell Signaling, Metabolism and Aging, Molecular Biology & Biochemistry, Medical University of Graz, 8010 Graz, Austria
| | - Tobias Madl
- Gottfried Schatz Research Center for Cell Signaling, Metabolism and Aging, Molecular Biology & Biochemistry, Medical University of Graz, 8010 Graz, Austria
- BioTechMed, 8010 Graz, Austria
| | - Sandra Holasek
- Division of Immunology and Pathophysiology, Medical University of Graz, 8010 Graz, Austria
| | - Christoph Högenauer
- Division of Gastroenterology and Hepatology, Medical University of Graz, Graz, Austria
| | - Ivan A. Berg
- Institute for Molecular Microbiology and Biotechnology, University of Münster, Münster, Germany
| | - Veronika Schoepf
- Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, 1090 Vienna, Austria
| | - Christine Moissl-Eichinger
- Diagnostic and Research Institute of Hygiene, Microbiology and Environmental Medicine, Medical University of Graz, Neue Stiftingtalstraße 6, 8010 Graz, Austria
- BioTechMed, 8010 Graz, Austria
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Salamone D, Rivellese AA, Vetrani C. The relationship between gut microbiota, short-chain fatty acids and type 2 diabetes mellitus: the possible role of dietary fibre. Acta Diabetol 2021; 58:1131-1138. [PMID: 33970303 PMCID: PMC8316221 DOI: 10.1007/s00592-021-01727-5] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 04/19/2021] [Indexed: 02/07/2023]
Abstract
Gut microbiota and its metabolites have been shown to influence multiple physiological mechanisms related to human health. Among microbial metabolites, short-chain fatty acids (SCFA) are modulators of different metabolic pathways. On the other hand, several studies suggested that diet might influence gut microbiota composition and activity thus modulating the risk of metabolic disease, i.e. obesity, insulin resistance and type 2 diabetes. Among dietary component, dietary fibre may play a pivotal role by virtue of its prebiotic effect on fibre-fermenting bacteria, that may increase SCFA production. The aim of this review was to summarize and discuss current knowledge on the impact of dietary fibre as modulator of the relationship between glucose metabolism and microbiota composition in humans. More specifically, we analysed evidence from observational studies and randomized nutritional intervention investigating the relationship between gut microbiota, short-chain fatty acids and glucose metabolism. The possible mechanisms behind this association were also discussed.
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Affiliation(s)
- Dominic Salamone
- Department of Clinical Medicine and Surgery, University of Naples "Federico II", 5 Sergio Pansini, 80131, Naples, Italy
| | - Angela Albarosa Rivellese
- Department of Clinical Medicine and Surgery, University of Naples "Federico II", 5 Sergio Pansini, 80131, Naples, Italy.
- Task Force On Microbiome Studies, University of Naples "Federico II", Naples, Italy.
| | - Claudia Vetrani
- Department of Clinical Medicine and Surgery, University of Naples "Federico II", 5 Sergio Pansini, 80131, Naples, Italy
- Task Force On Microbiome Studies, University of Naples "Federico II", Naples, Italy
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Lin SW, Tsai YS, Chen YL, Wang MF, Chen CC, Lin WH, Fang TJ. Lactobacillus plantarum GKM3 Promotes Longevity, Memory Retention, and Reduces Brain Oxidation Stress in SAMP8 Mice. Nutrients 2021; 13:2860. [PMID: 34445020 PMCID: PMC8401498 DOI: 10.3390/nu13082860] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/16/2021] [Accepted: 08/19/2021] [Indexed: 12/18/2022] Open
Abstract
(1) Background: An age-related cognitive decline is commonly affecting the life of elderly with symptoms involved in progressive impairments to memory and learning. It has been proposed that probiotics could modulate age-related neurological disorders via the gut-brain axis. (2) Methods: To investigate the anti-aging effect of probiotic Lactobacillus plantarum GKM3, both survival tests and cognitive experiments were conducted in the SAMP8 mice model. The six-month-old SAMP8 (n = 20 in each gender) were fed with probiotic GKM3 at a dosage of 5.1 × 109 and 1.0 × 109 cfu/ kg B.W./day until their natural death. Then, the life span was investigated. Three-month-old SAMP8 (n = 10 in each gender) were administered GKM3 for 14 weeks. Then, the behavior tests and oxidation parameters were recorded. (3) Results: GKM3 groups showed significantly increased latency in the passive avoidance test and time of successful avoidance in the active avoidance test. The TBARS and 8-OHdG from mice brains also showed a significant reduction in the groups treated with GKM3. In addition, lower accumulation of the amyloid-β protein was found in SAMP8 mice brains with the supplement of GKM3. (4) Conclusions: These results indicated that L. plantarum GKM3 delayed the process of aging, alleviated age-related cognitive impairment, and reduced oxidative stress.
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Affiliation(s)
- Shih-Wei Lin
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung 402204, Taiwan;
| | - You-Shan Tsai
- Biotech Research Institute, Grape King Bio Ltd., Taoyuan 325002, Taiwan; (Y.-S.T.); (Y.-L.C.)
| | - Yen-Lien Chen
- Biotech Research Institute, Grape King Bio Ltd., Taoyuan 325002, Taiwan; (Y.-S.T.); (Y.-L.C.)
| | - Ming-Fu Wang
- Department of Food and Nutrition, Providence University, Taichung 433303, Taiwan;
| | - Chin-Chu Chen
- Institute of Food Science and Technology, National Taiwan University, Taipei 106319, Taiwan;
- Department of Food Science, Nutrition and Nutraceutical Biotechnology, Shih Chien University, Taipei 104336, Taiwan
- Department of Bioscience Technology, Chung Yuan Christian University, Taoyuan 320314, Taiwan
| | - Wen-Hsin Lin
- Department of Pharmacy, China Medical University, Taichung 404333, Taiwan
| | - Tony J. Fang
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung 402204, Taiwan;
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Larder CE, Iskandar MM, Kubow S. Gastrointestinal Digestion Model Assessment of Peptide Diversity and Microbial Fermentation Products of Collagen Hydrolysates. Nutrients 2021; 13:nu13082720. [PMID: 34444880 PMCID: PMC8401164 DOI: 10.3390/nu13082720] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/30/2021] [Accepted: 08/04/2021] [Indexed: 01/11/2023] Open
Abstract
Osteoarthritis (OA), the most common form of arthritis, is associated with metabolic diseases and gut microbiome dysbiosis. OA patients often take supplements of collagen hydrolysates (CHs) with a high peptide content. Following digestion, some peptides escape absorption to induce prebiotic effects via their colonic fermentation to generate short-chain fatty acids (SCFAs), branched-chain fatty acids (BCFAs) and colonic gases (NH4 and H2S). The capacity of CHs to generate microbial metabolites is unknown. Proteomic analysis of two CHs (CH-GL and CH-OPT) demonstrated different native peptide profiles with increased peptide diversity after in vitro gastric and small intestinal digestion. Subsequent 24 h fermentation of the CH digests in a dynamic gastrointestinal (GI) digestion model containing human fecal matter showed that CH-OPT increased (p < 0.05) H2S, SCFAs (propionic, butyric and valeric acids), BCFAs, and decreased NH4 in the ascending colon reactor with no major changes seen with CH-GL. No major effects were observed in the transverse and descending vessels for either CH. These findings signify that CHs can induce prebiotic effects in the ascending colon that are CH dependent. More studies are needed to determine the physiological significance of CH-derived colonic metabolites, in view of emerging evidence connecting the gut to OA and metabolic diseases.
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Rajeev R, Seethalakshmi PS, Jena PK, Prathiviraj R, Kiran GS, Selvin J. Gut microbiome responses in the metabolism of human dietary components: Implications in health and homeostasis. Crit Rev Food Sci Nutr 2021; 62:7615-7631. [PMID: 34016000 DOI: 10.1080/10408398.2021.1916429] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The gut microbiome and its link with human health and disease have gained a lot of attention recently. The microbiome executes its functions in the host by carrying out the transformation of dietary components and/or de novo synthesis of various essential nutrients. The presence of complex microbial communities makes it difficult to understand the host-microbiome interplay in the metabolism of dietary components. This review attempts to uncover the incredible role of the gut microbiome in the metabolism of dietary components, diet-microbiome interplay, and restoration of the microbiome. The in silico analysis performed in this study elucidates the functional description of essential/hub genes involved in the amino acid degradation pathway, which are mutually present in the host and its gut microbiome. Hence, the computational model helps comprehend the inter-and intracellular molecular networks between humans and their microbial partners.
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Affiliation(s)
- Riya Rajeev
- Department of Microbiology, Pondicherry University, Puducherry, India
| | - P S Seethalakshmi
- Department of Microbiology, Pondicherry University, Puducherry, India
| | - Prasant Kumar Jena
- Immunology and infectious disease research, Department of Pediatrics, Cedars Sinai Medical Center, Los Angeles, California, USA
| | - R Prathiviraj
- Department of Microbiology, Pondicherry University, Puducherry, India
| | - George Seghal Kiran
- Department of Food Science and Technology, Pondicherry University, Puducherry, India
| | - Joseph Selvin
- Department of Microbiology, Pondicherry University, Puducherry, India
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Borella F, Carosso AR, Cosma S, Preti M, Collemi G, Cassoni P, Bertero L, Benedetto C. Gut Microbiota and Gynecological Cancers: A Summary of Pathogenetic Mechanisms and Future Directions. ACS Infect Dis 2021; 7:987-1009. [PMID: 33848139 DOI: 10.1021/acsinfecdis.0c00839] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Over the past 20 years, important relationships between the microbiota and human health have emerged. A link between alterations of microbiota composition (dysbiosis) and cancer development has been recently demonstrated. In particular, the composition and the oncogenic role of intestinal bacterial flora has been extensively investigated in preclinical and clinical studies focusing on gastrointestinal tumors. Overall, the development of gastrointestinal tumors is favored by dysbiosis as it leads to depletion of antitumor substances (e.g., short-chain fatty acids) produced by healthy microbiota. Moreover, dysbiosis leads to alterations of the gut barrier, promotes a chronic inflammatory status through activation of toll-like receptors, and causes metabolic and hormonal dysregulations. However, the effects of these imbalances are not limited to the gastrointestinal tract and they can influence gynecological tumor carcinogenesis as well. The purpose of this Review is to provide a synthetic update about the mechanisms of interaction between gut microbiota and the female reproductive tract favoring the development of neoplasms. Furthermore, novel therapeutic approaches based on the modulation of microbiota and their role in gynecological oncology are discussed.
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Affiliation(s)
- Fulvio Borella
- Obstetrics and Gynecology Unit 1, Sant’ Anna Hospital, Department of Surgical Sciences, University of Turin, 10126 Turin, Italy
| | - Andrea Roberto Carosso
- Obstetrics and Gynecology Unit 1, Sant’ Anna Hospital, Department of Surgical Sciences, University of Turin, 10126 Turin, Italy
| | - Stefano Cosma
- Obstetrics and Gynecology Unit 1, Sant’ Anna Hospital, Department of Surgical Sciences, University of Turin, 10126 Turin, Italy
| | - Mario Preti
- Obstetrics and Gynecology Unit 1, Sant’ Anna Hospital, Department of Surgical Sciences, University of Turin, 10126 Turin, Italy
| | - Giammarco Collemi
- Pathology Unit, Department of Medical Sciences, University of Turin, 10126 Turin, Italy
| | | | - Luca Bertero
- Pathology Unit, Department of Medical Sciences, University of Turin, 10126 Turin, Italy
| | - Chiara Benedetto
- Obstetrics and Gynecology Unit 1, Sant’ Anna Hospital, Department of Surgical Sciences, University of Turin, 10126 Turin, Italy
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Methiwala HN, Vaidya B, Addanki VK, Bishnoi M, Sharma SS, Kondepudi KK. Gut microbiota in mental health and depression: role of pre/pro/synbiotics in their modulation. Food Funct 2021; 12:4284-4314. [PMID: 33955443 DOI: 10.1039/d0fo02855j] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The microbiome residing in the human gut performs a wide range of biological functions. Recently, it has been elucidated that a change in dietary habits is associated with alteration in the gut microflora which results in increased health risks and vulnerability towards various diseases. Falling in line with the same concept, depression has also been shown to increase its prevalence around the globe, especially in the western world. Various research studies have suggested that changes in the gut microbiome profile further result in decreased tolerance of stress. Although currently available medications help in relieving the symptoms of depressive disorders briefly, these drugs are not able to completely reverse the multifactorial pathology of depression. The discovery of the communication pathway between gut microbes and the brain, i.e. the Gut-Brain Axis, has led to new areas of research to find more effective and safer alternatives to current antidepressants. The use of probiotics and prebiotics has been suggested as being effective in various preclinical studies and clinical trials for depression. Therefore, in the present review, we address the new antidepressant mechanisms via gut microbe alterations and provide insight into how these can provide an alternative to antidepressant therapy without the side effects and risk of adverse drug reactions.
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Affiliation(s)
- Hasnain N Methiwala
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar, Punjab, India.
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Internal connections between dietary intake and gut microbiota homeostasis in disease progression of ulcerative colitis: a review. FOOD SCIENCE AND HUMAN WELLNESS 2021. [DOI: 10.1016/j.fshw.2021.02.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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