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Angelini G, Russo S, Mingrone G. Incretin hormones, obesity and gut microbiota. Peptides 2024; 178:171216. [PMID: 38636809 DOI: 10.1016/j.peptides.2024.171216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 04/08/2024] [Accepted: 04/10/2024] [Indexed: 04/20/2024]
Abstract
Over the past 40 years, the prevalence of obesity has risen dramatically, reaching epidemic proportions. By 2030 the number of people affected by obesity will reach 1.12 billion worldwide. Gastrointestinal hormones, namely incretins, play a vital role in the pathogenesis of obesity and its comorbidities. GIP (glucose-dependent insulinotropic polypeptide) and GLP-1 (glucagon-like peptide-1), which are secreted from the intestine after nutrient intake and stimulate insulin secretion from pancreatic β cells, influence lipid metabolism, gastric empting, appetite and body weight. The gut microbiota plays an important role in various metabolic conditions, including obesity and type 2 diabetes and influences host metabolism through the interaction with enteroendocrine cells that modulate incretins secretion. Gut microbiota metabolites, such as short-chain fatty acids (SCFAs) and indole, directly stimulate the release of incretins from colonic enteroendocrine cells influencing host satiety and food intake. Moreover, bariatric surgery and incretin-based therapies are associated with increase gut bacterial richness and diversity. Understanding the role of incretins, gut microbiota, and their metabolites in regulating metabolic processes is crucial to develop effective strategies for the management of obesity and its associated comorbidities.
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Affiliation(s)
| | - Sara Russo
- Università Cattolica del Sacro Cuore, Rome, Italy
| | - Geltrude Mingrone
- Università Cattolica del Sacro Cuore, Rome, Italy; Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Division of Diabetes & Nutritional Sciences, School of Cardiovascular and Metabolic Medicine & Sciences, King's College London, London, United Kingdom.
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2
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Hamamah S, Hajnal A, Covasa M. Influence of Bariatric Surgery on Gut Microbiota Composition and Its Implication on Brain and Peripheral Targets. Nutrients 2024; 16:1071. [PMID: 38613104 PMCID: PMC11013759 DOI: 10.3390/nu16071071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 03/29/2024] [Accepted: 04/02/2024] [Indexed: 04/14/2024] Open
Abstract
Obesity remains a significant global health challenge, with bariatric surgery remaining as one of the most effective treatments for severe obesity and its related comorbidities. This review highlights the multifaceted impact of bariatric surgery beyond mere physical restriction or nutrient malabsorption, underscoring the importance of the gut microbiome and neurohormonal signals in mediating the profound effects on weight loss and behavior modification. The various bariatric surgery procedures, such as Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG), act through distinct mechanisms to alter the gut microbiome, subsequently impacting metabolic health, energy balance, and food reward behaviors. Emerging evidence has shown that bariatric surgery induces profound changes in the composition of the gut microbiome, notably altering the Firmicutes/Bacteroidetes ratio and enhancing populations of beneficial bacteria such as Akkermansia. These microbiota shifts have far-reaching effects beyond gut health, influencing dopamine-mediated reward pathways in the brain and modulating the secretion and action of key gut hormones including ghrelin, leptin, GLP-1, PYY, and CCK. The resultant changes in dopamine signaling and hormone levels contribute to reduced hedonic eating, enhanced satiety, and improved metabolic outcomes. Further, post-bariatric surgical effects on satiation targets are in part mediated by metabolic byproducts of gut microbiota like short-chain fatty acids (SCFAs) and bile acids, which play a pivotal role in modulating metabolism and energy expenditure and reducing obesity-associated inflammation, as well as influencing food reward pathways, potentially contributing to the regulation of body weight and reduction in hedonic eating behaviors. Overall, a better understanding of these mechanisms opens the door to developing non-surgical interventions that replicate the beneficial effects of bariatric surgery on the gut microbiome, dopamine signaling, and gut hormone regulation, offering new avenues for obesity treatment.
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Affiliation(s)
- Sevag Hamamah
- Department of Basic Medical Sciences, College of Osteopathic Medicine, Western University of Health Sciences, Pomona, CA 9176, USA;
| | - Andras Hajnal
- Department of Neural and Behavioral Sciences, College of Medicine, The Pennsylvania State University, Hershey, PA 17033, USA;
| | - Mihai Covasa
- Department of Basic Medical Sciences, College of Osteopathic Medicine, Western University of Health Sciences, Pomona, CA 9176, USA;
- Department of Biomedical Sciences, College of Medicine and Biological Science, University of Suceava, 7200229 Suceava, Romania
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3
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Zambrano AK, Paz-Cruz E, Ruiz-Pozo VA, Cadena-Ullauri S, Tamayo-Trujillo R, Guevara-Ramírez P, Zambrano-Villacres R, Simancas-Racines D. Microbiota dynamics preceding bariatric surgery as obesity treatment: a comprehensive review. Front Nutr 2024; 11:1393182. [PMID: 38633602 PMCID: PMC11021787 DOI: 10.3389/fnut.2024.1393182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 03/18/2024] [Indexed: 04/19/2024] Open
Abstract
The review present data on the intricate relationship between bariatric surgery, gut microbiota, and metabolic health in obesity treatment. Bariatric surgery, is recognized as an effective intervention for managing morbid obesity, including various techniques with distinct mechanisms of action, efficacy, and safety profiles including Roux-en-Y Gastric Bypass (RYGB), Sleeve Gastrectomy (SG), Laparoscopic Adjustable Gastric Banding (LAGB), and Biliopancreatic Diversion (BPD). RYGB and SG are the most prevalent procedures globally, inducing gut microbiota changes that influence microbial diversity and abundance. Post-surgery, alterations in bacterial communities occur, such as the increased of Escherichia coli inversely correlated with fat mass and leptin levels. During digestion, microbiota produce physiologically active compounds like bile acids (Bas) and short-chain fatty acids (SCFAs). SCFAs, derived by microbial fermentation, influence appetite, energy metabolism, and obesity-related pathways. Bas, altered by surgery, modulate glucose metabolism and insulin sensitivity. Furthermore, SG and RYGB enhance incretin secretion, particularly glucagon-like peptide 1 (GLP-1). Therefore, understanding microbiota changes after bariatric surgery could be crucial for predicting metabolic outcomes and developing targeted interventions for obesity management.
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Affiliation(s)
- Ana Karina Zambrano
- Facultad de Ciencias de la Salud Eugenio Espejo, Centro de Investigación Genética y Genómica, Universidad UTE, Quito, Ecuador
| | - Elius Paz-Cruz
- Facultad de Ciencias de la Salud Eugenio Espejo, Centro de Investigación Genética y Genómica, Universidad UTE, Quito, Ecuador
| | - Viviana A. Ruiz-Pozo
- Facultad de Ciencias de la Salud Eugenio Espejo, Centro de Investigación Genética y Genómica, Universidad UTE, Quito, Ecuador
| | - Santiago Cadena-Ullauri
- Facultad de Ciencias de la Salud Eugenio Espejo, Centro de Investigación Genética y Genómica, Universidad UTE, Quito, Ecuador
| | - Rafael Tamayo-Trujillo
- Facultad de Ciencias de la Salud Eugenio Espejo, Centro de Investigación Genética y Genómica, Universidad UTE, Quito, Ecuador
| | - Patricia Guevara-Ramírez
- Facultad de Ciencias de la Salud Eugenio Espejo, Centro de Investigación Genética y Genómica, Universidad UTE, Quito, Ecuador
| | | | - Daniel Simancas-Racines
- Centro de Investigación de Salud Pública y Epidemiología Clínica (CISPEC), Universidad UTE, Quito, Ecuador
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Tashiro H, Kurihara Y, Kuwahara Y, Takahashi K. Impact of obesity in asthma: Possible future therapies. Allergol Int 2024; 73:48-57. [PMID: 37659887 DOI: 10.1016/j.alit.2023.08.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 07/10/2023] [Accepted: 07/31/2023] [Indexed: 09/04/2023] Open
Abstract
Obesity is one of the factors associated with the severity of asthma. Obesity is associated with aggravation of the pathophysiology of asthma, including exacerbations, airway inflammation, decreased pulmonary function, and airway hyperresponsiveness. The present review addresses the characteristics of asthma with obesity, focusing especially on the heterogeneity caused by the degree of type 2 inflammation, sex differences, the onset of asthma, and race differences. To understand the severity mechanisms in asthma and obesity, such as corticosteroid resistance, fatty acids, gut microbiome, and cytokines, several basic research studies are evaluated. Finally, possible future therapies, including weight reduction, microbiome-targeted therapies, and other molecular targeted therapies are addressed. We believe that the present review will contribute to better understanding of the severity mechanisms and the establishment of novel treatments for severe asthma patients with obesity.
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Affiliation(s)
- Hiroki Tashiro
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of Medicine, Saga University, Saga, Japan.
| | - Yuki Kurihara
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of Medicine, Saga University, Saga, Japan
| | - Yuki Kuwahara
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of Medicine, Saga University, Saga, Japan
| | - Koichiro Takahashi
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of Medicine, Saga University, Saga, Japan
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Mun D, Kang M, Shin M, Choi HJ, Kang AN, Ryu S, Unno T, Maburutse BE, Oh S, Kim Y. Alleviation of DSS-induced colitis via bovine colostrum-derived extracellular vesicles with microRNA let-7a-5p is mediated by regulating Akkermansia and β-hydroxybutyrate in gut environments. Microbiol Spectr 2023; 11:e0012123. [PMID: 37966243 PMCID: PMC10714758 DOI: 10.1128/spectrum.00121-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 10/11/2023] [Indexed: 11/16/2023] Open
Abstract
IMPORTANCE Even though studying on the possible involvement of extracellular vesicles (EVs) in host-microbe interactions, how these relationships mediate host physiology has not clarified yet. Our current findings provide insights into the encouraging benefits of dietary source-derived EVs and microRNAs (miRNAs) on organic acid production and ultimately stimulating gut microbiome for human health, suggesting that supplementation of dietary colostrum EVs and miRNAs is a novel preventive strategy for the treatment of inflammatory bowel disease.
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Affiliation(s)
- Daye Mun
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, South Korea
| | - Minkyoung Kang
- Department of Functional Food and Biotechnology, Jeonju University, Jeonju, South Korea
| | - Minhye Shin
- Department of Microbiology, College of Medicine, Inha University, Incheon, South Korea
| | - Hye Jin Choi
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, South Korea
| | - An Na Kang
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, South Korea
| | - Sangdon Ryu
- Division of Evironmental Meterials, Honam National Institute of Biological Resources, Mokpo, South Korea
| | - Tatsuya Unno
- Department of Microbiology, Chungbuk National University, Cheongju, South Korea
| | - Brighton E. Maburutse
- Department of Animal Production Sciences, Marondera University of Agricultural Sciences & Technology, Marondera, Zimbabwe
| | - Sangnam Oh
- Department of Functional Food and Biotechnology, Jeonju University, Jeonju, South Korea
| | - Younghoon Kim
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, South Korea
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Custers E, Franco A, Kiliaan AJ. Bariatric Surgery and Gut-Brain-Axis Driven Alterations in Cognition and Inflammation. J Inflamm Res 2023; 16:5495-5514. [PMID: 38026245 PMCID: PMC10676679 DOI: 10.2147/jir.s437156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 10/31/2023] [Indexed: 12/01/2023] Open
Abstract
Obesity is associated with systemic inflammation, comorbidities like diabetes, cardiovascular disease and several cancers, cognitive decline and structural and functional brain changes. To treat, or potentially prevent these related comorbidities, individuals with obesity must achieve long-term sustainable weight loss. Often life style interventions, such as dieting and increased physical activity are not successful in achieving long-term weight loss. Meanwhile bariatric surgery has emerged as a safe and effective procedure to treat obesity. Bariatric surgery causes changes in physiological processes, but it is still not fully understood which exact mechanisms are involved. The successful weight loss after bariatric surgery might depend on changes in various energy regulating hormones, such as ghrelin, glucagon-like peptide-1 and peptide YY. Moreover, changes in microbiota composition and white adipose tissue functionality might play a role. Here, we review the effect of obesity on neuroendocrine effects, microbiota composition and adipose tissue and how these may affect inflammation, brain structure and cognition. Finally, we will discuss how these obesity-related changes may improve after bariatric surgery.
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Affiliation(s)
- Emma Custers
- Department of Medical Imaging, Anatomy, Radboud University Medical Center, Donders Institute for Brain Cognition and Behaviour, Nijmegen, the Netherlands
| | - Ayla Franco
- Department of Medical Imaging, Anatomy, Radboud University Medical Center, Donders Institute for Brain Cognition and Behaviour, Nijmegen, the Netherlands
| | - Amanda Johanne Kiliaan
- Department of Medical Imaging, Anatomy, Radboud University Medical Center, Donders Institute for Brain Cognition and Behaviour, Nijmegen, the Netherlands
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Hernández-Montoliu L, Rodríguez-Peña MM, Puig R, Astiarraga B, Guerrero-Pérez F, Virgili N, López-Urdiales R, Osorio J, Monseny R, Lazzara C, Sobrino L, Pérez-Maraver M, Pérez-Prieto M, Pellitero S, Fernández-Veledo S, Vendrell J, Vilarrasa N. A specific gut microbiota signature is associated with an enhanced GLP-1 and GLP-2 secretion and improved metabolic control in patients with type 2 diabetes after metabolic Roux-en-Y gastric bypass. Front Endocrinol (Lausanne) 2023; 14:1181744. [PMID: 37916149 PMCID: PMC10616869 DOI: 10.3389/fendo.2023.1181744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 09/22/2023] [Indexed: 11/03/2023] Open
Abstract
Objective To determine changes in incretins, systemic inflammation, intestinal permeability and microbiome modifications 12 months after metabolic RYGB (mRYGB) in patients with type 2 diabetes (T2D) and their relationship with metabolic improvement. Materials and methods Prospective single-center non-randomized controlled study, including patients with class II-III obesity and T2D undergoing mRYGB. At baseline and one year after surgery we performed body composition measurements, biochemical analysis, a meal tolerance test (MTT) and lipid test (LT) with determination of the area under the curve (AUC) for insulin, C-peptide, GLP-1, GLP-2, and fasting determinations of succinate, zonulin, IL-6 and study of gut microbiota. Results Thirteen patients aged 52.6 ± 6.5 years, BMI 39.3 ± 1.4 kg/m2, HbA1c 7.62 ± 1.5% were evaluated. After mRYGB, zonulin decreased and an increase in AUC after MTT was observed for GLP-1 (pre 9371 ± 5973 vs post 15788 ± 8021 pM, P<0.05), GLP-2 (pre 732 ± 182 vs post 1190 ± 447 ng/ml, P<0.001) and C- peptide, as well as after LT. Species belonging to Streptococaceae, Akkermansiacea, Rickenellaceae, Sutterellaceae, Enterobacteriaceae, Oscillospiraceae, Veillonellaceae, Enterobacterales_uc, and Fusobacteriaceae families increased after intervention and correlated positively with AUC of GLP-1 and GLP-2, and negatively with glucose, HbA1c, triglycerides and adiposity markers. Clostridium perfringens and Roseburia sp. 40_7 behaved similarly. In contrast, some species belonging to Lachnospiraceae, Erysipelotricaceae, and Rumnicocaceae families decreased and showed opposite correlations. Higher initial C-peptide was the only predictor for T2D remission, which was achieved in 69% of patients. Conclusions Patients with obesity and T2D submitted to mRYGB show an enhanced incretin response, a reduced gut permeability and a metabolic improvement, associated with a specific microbiota signature.
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Affiliation(s)
- Laura Hernández-Montoliu
- Department of Endocrinology and Nutrition, Bellvitge University Hospital-Institut d'Investigació Biomédica de Bellvitge, L’Hospitalet de Llobregat, Barcelona, Spain
| | - M-Mar Rodríguez-Peña
- Hospital Universitari Joan XXIII de Tarragona, Institut d’Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Rocío Puig
- Department of Endocrinology and Nutrition Hospital de la Santa Creu i Sant Pau, Institut de Recerca de l’Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Brenno Astiarraga
- Hospital Universitari Joan XXIII de Tarragona, Institut d’Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Fernando Guerrero-Pérez
- Department of Endocrinology and Nutrition, Bellvitge University Hospital-Institut d'Investigació Biomédica de Bellvitge, L’Hospitalet de Llobregat, Barcelona, Spain
| | - Nuria Virgili
- Department of Endocrinology and Nutrition, Bellvitge University Hospital-Institut d'Investigació Biomédica de Bellvitge, L’Hospitalet de Llobregat, Barcelona, Spain
| | - Rafael López-Urdiales
- Department of Endocrinology and Nutrition, Bellvitge University Hospital-Institut d'Investigació Biomédica de Bellvitge, L’Hospitalet de Llobregat, Barcelona, Spain
| | - Javier Osorio
- Department of General and Gastrointestinal Surgery. Bellvitge University Hospital-Institut d'Investigació Biomédica de Bellvitge, L’Hospitalet de Llobregat, Barcelona, Spain
| | - Rosa Monseny
- Clinical Nutrition Unit. Bellvitge University Hospital-Institut d'Investigació Biomédica de Bellvitge, L’Hospitalet de Llobregat, Barcelona, Spain
| | - Claudio Lazzara
- Department of General and Gastrointestinal Surgery. Bellvitge University Hospital-Institut d'Investigació Biomédica de Bellvitge, L’Hospitalet de Llobregat, Barcelona, Spain
| | - Lucía Sobrino
- Department of General and Gastrointestinal Surgery. Bellvitge University Hospital-Institut d'Investigació Biomédica de Bellvitge, L’Hospitalet de Llobregat, Barcelona, Spain
| | - Manuel Pérez-Maraver
- Department of Endocrinology and Nutrition, Bellvitge University Hospital-Institut d'Investigació Biomédica de Bellvitge, L’Hospitalet de Llobregat, Barcelona, Spain
| | - María Pérez-Prieto
- Department of Endocrinology and Nutrition, Bellvitge University Hospital-Institut d'Investigació Biomédica de Bellvitge, L’Hospitalet de Llobregat, Barcelona, Spain
| | - Silvia Pellitero
- Department of Endocrinology and Nutrition and Health Sciences Research Institute and University Hospital Germans Trias i Pujol, Badalona, Spain
| | - Sonia Fernández-Veledo
- Hospital Universitari Joan XXIII de Tarragona, Institut d’Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Joan Vendrell
- Hospital Universitari Joan XXIII de Tarragona, Institut d’Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Medicine and Surgery, Universitat Rovira i Virgili (URV), Reus, Spain
| | - Nuria Vilarrasa
- Department of Endocrinology and Nutrition, Bellvitge University Hospital-Institut d'Investigació Biomédica de Bellvitge, L’Hospitalet de Llobregat, Barcelona, Spain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III (ISCIII), Madrid, Spain
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Hamamah S, Amin A, Al-Kassir AL, Chuang J, Covasa M. Dietary Fat Modulation of Gut Microbiota and Impact on Regulatory Pathways Controlling Food Intake. Nutrients 2023; 15:3365. [PMID: 37571301 PMCID: PMC10421457 DOI: 10.3390/nu15153365] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/24/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
Obesity is a multifactorial disease that continues to increase in prevalence worldwide. Emerging evidence has shown that the development of obesity may be influenced by taxonomic shifts in gut microbiota in response to the consumption of dietary fats. Further, these alterations in gut microbiota have been shown to promote important changes in satiation signals including gut hormones (leptin, ghrelin, GLP-1, peptide YY and CCK) and orexigenic and anorexigenic neuropeptides (AgRP, NPY, POMC, CART) that influence hyperphagia and therefore obesity. In this review, we highlight mechanisms by which gut microbiota can influence these satiation signals both locally in the gastrointestinal tract and via microbiota-gut-brain communication. Then, we describe the effects of dietary interventions and associated changes in gut microbiota on satiety signals through microbiota-dependent mechanisms. Lastly, we present microbiota optimizing therapies including prebiotics, probiotics, synbiotics and weight loss surgery that can help restore beneficial gut microbiota by enhancing satiety signals to reduce hyperphagia and subsequent obesity. Overall, a better understanding of the mechanisms by which dietary fats induce taxonomical shifts in gut microbiota and their impact on satiation signaling pathways will help develop more targeted therapeutic interventions in delaying the onset of obesity and in furthering its treatment.
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Affiliation(s)
- Sevag Hamamah
- Department of Basic Medical Sciences, Western University of Health Sciences, College of Osteopathic Medicine, Pomona, CA 91766, USA; (S.H.); (A.A.); (A.L.A.-K.); (J.C.)
| | - Arman Amin
- Department of Basic Medical Sciences, Western University of Health Sciences, College of Osteopathic Medicine, Pomona, CA 91766, USA; (S.H.); (A.A.); (A.L.A.-K.); (J.C.)
| | - Abdul Latif Al-Kassir
- Department of Basic Medical Sciences, Western University of Health Sciences, College of Osteopathic Medicine, Pomona, CA 91766, USA; (S.H.); (A.A.); (A.L.A.-K.); (J.C.)
| | - Judith Chuang
- Department of Basic Medical Sciences, Western University of Health Sciences, College of Osteopathic Medicine, Pomona, CA 91766, USA; (S.H.); (A.A.); (A.L.A.-K.); (J.C.)
| | - Mihai Covasa
- Department of Basic Medical Sciences, Western University of Health Sciences, College of Osteopathic Medicine, Pomona, CA 91766, USA; (S.H.); (A.A.); (A.L.A.-K.); (J.C.)
- Department of Biomedical Sciences, College of Medicine and Biological Science, University of Suceava, 720229 Suceava, Romania
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9
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Zhang F, Wang D. Potential of Akkermansia muciniphila and its outer membrane proteins as therapeutic targets for neuropsychological diseases. Front Microbiol 2023; 14:1191445. [PMID: 37440890 PMCID: PMC10333588 DOI: 10.3389/fmicb.2023.1191445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 05/25/2023] [Indexed: 07/15/2023] Open
Abstract
The gut microbiota varies dramatically among individuals, and changes over time within the same individual, due to diversities in genetic backgrounds, diet, nutrient supplementations and use of antibiotics. Up until now, studies on dysbiosis of microbiota have expanded to a wider range of diseases, with Akkermansia muciniphila at the cross spot of many of these diseases. A. muciniphila is a Gram-negative bacterium that produces short-chain fatty acids (SCFAs), and Amuc_1100 is one of its most highly expressed outer membrane proteins. This review aims to summarize current knowledge on correlations between A. muciniphila and involved neuropsychological diseases published in the last decade, with a focus on the potential of this bacterium and its outer membrane proteins as therapeutic targets for these diseases, on the basis of evidence accumulated from animal and clinical studies, as well as mechanisms of action from peripheral to central nervous system (CNS).
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Affiliation(s)
- Fenghua Zhang
- Department of Laboratory Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Dali Wang
- Center for Clinical and Translational Medicine, Shanghai University of Medicine and Health Sciences, Shanghai, China
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10
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Tsigalou C, Paraschaki A, Bragazzi NL, Aftzoglou K, Stavropoulou E, Tsakris Z, Vradelis S, Bezirtzoglou E. Alterations of gut microbiome following gastrointestinal surgical procedures and their potential complications. Front Cell Infect Microbiol 2023; 13:1191126. [PMID: 37333847 PMCID: PMC10272562 DOI: 10.3389/fcimb.2023.1191126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 05/23/2023] [Indexed: 06/20/2023] Open
Abstract
Intestinal microorganisms play a crucial role in shaping the host immunity and maintaining homeostasis. Nevertheless, alterations in gut bacterial composition may occur and these alterations have been linked with the pathogenesis of several diseases. In surgical practice, studies revealed that the microbiome of patients undergoing surgery changes and several post-operative complications seem to be associated with the gut microbiota composition. In this review, we aim to provide an overview of gut microbiota (GM) in surgical disease. We refer to several studies which describe alterations of GM in patients undergoing different types of surgery, we focus on the impacts of peri-operative interventions on GM and the role of GM in development of post-operative complications, such as anastomotic leak. The review aims to enhance comprehension regarding the correlation between GM and surgical procedures based in the current knowledge. However, preoperative and postoperative synthesis of GM needs to be further examined in future studies, so that GM-targeted measures could be assessed and the different surgery complications could be reduced.
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Affiliation(s)
- Christina Tsigalou
- Laboratory of Microbiology, Faculty of Medicine, Democritus University of Thrace, Dragana Campus, Alexandroupolis, Greece
| | - Afroditi Paraschaki
- Department of Biopathology/Microbiology, Faculty of Medicine, University General Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - Nicola Luigi Bragazzi
- Laboratory for Industrial and Applied Mathematics (LIAM), Department of Mathematics and Statistics, York University, Toronto, ON, Canada
| | - K. Aftzoglou
- Medical School, Comenius University, Bratislava, Slovakia
| | - Elisavet Stavropoulou
- Department of Infectious Diseases, Centre Hospitalier Universitaire Vaudois (CHUV), Rue du Bugnon, Lausanne, Switzerland
| | - Z. Tsakris
- Laboratory of Microbiology, Department of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - S. Vradelis
- Department of Gastrenterology, Faculty of Medicine, Democritus University of Thrace, Dragana Campus, Alexandroupolis, Greece
| | - Eugenia Bezirtzoglou
- Laboratory of Hygiene and Environmental Protection, Medical School, Democritus University of Thrace, Dragana, Alexandroupolis, Greece
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11
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Puljiz Z, Kumric M, Vrdoljak J, Martinovic D, Ticinovic Kurir T, Krnic MO, Urlic H, Puljiz Z, Zucko J, Dumanic P, Mikolasevic I, Bozic J. Obesity, Gut Microbiota, and Metabolome: From Pathophysiology to Nutritional Interventions. Nutrients 2023; 15:nu15102236. [PMID: 37242119 DOI: 10.3390/nu15102236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/29/2023] [Accepted: 05/07/2023] [Indexed: 05/28/2023] Open
Abstract
Obesity is a disorder identified by an inappropriate increase in weight in relation to height and is considered by many international health institutions to be a major pandemic of the 21st century. The gut microbial ecosystem impacts obesity in multiple ways that yield downstream metabolic consequences, such as affecting systemic inflammation, immune response, and energy harvest, but also the gut-host interface. Metabolomics, a systematized study of low-molecular-weight molecules that take part in metabolic pathways, represents a serviceable method for elucidation of the crosstalk between hosts' metabolism and gut microbiota. In the present review, we confer about clinical and preclinical studies exploring the association of obesity and related metabolic disorders with various gut microbiome profiles, and the effects of several dietary interventions on gut microbiome composition and the metabolome. It is well established that various nutritional interventions may serve as an efficient therapeutic approach to support weight loss in obese individuals, yet no agreement exists in regard to the most effective dietary protocol, both in the short and long term. However, metabolite profiling and the gut microbiota composition might represent an opportunity to methodically establish predictors for obesity control that are relatively simple to measure in comparison to traditional approaches, and it may also present a tool to determine the optimal nutritional intervention to ameliorate obesity in an individual. Nevertheless, a lack of adequately powered randomized trials impedes the application of observations to clinical practice.
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Affiliation(s)
- Zivana Puljiz
- Laboratory for Bioinformatics, Faculty of Food Technology and Biotechnology, University of Zagreb, 10000 Zagreb, Croatia
| | - Marko Kumric
- Department of Pathophysiology, University of Split School of Medicine, 21000 Split, Croatia
| | - Josip Vrdoljak
- Department of Pathophysiology, University of Split School of Medicine, 21000 Split, Croatia
| | - Dinko Martinovic
- Department of Pathophysiology, University of Split School of Medicine, 21000 Split, Croatia
| | - Tina Ticinovic Kurir
- Department of Pathophysiology, University of Split School of Medicine, 21000 Split, Croatia
- Department of Endocrinology, Diabetes and Metabolic Diseases, University Hospital of Split, 21000 Split, Croatia
| | - Marin Ozren Krnic
- Department of Pathophysiology, University of Split School of Medicine, 21000 Split, Croatia
| | - Hrvoje Urlic
- Department of Pathophysiology, University of Split School of Medicine, 21000 Split, Croatia
| | - Zeljko Puljiz
- Department of Internal Medicine, University of Split School of Medicine, 21000 Split, Croatia
- Department of Gastroenterology and Hepatology, University Hospital of Split, 21000 Split, Croatia
| | - Jurica Zucko
- Laboratory for Bioinformatics, Faculty of Food Technology and Biotechnology, University of Zagreb, 10000 Zagreb, Croatia
| | - Petra Dumanic
- Medical Laboratory Diagnostic Division, University Hospital of Split, 21000 Split, Croatia
| | - Ivana Mikolasevic
- Department of Gastroenterology and Hepatology, University Hospital Centre Rijeka, School of Medicine, University of Rijeka, 51000 Rijeka, Croatia
| | - Josko Bozic
- Department of Pathophysiology, University of Split School of Medicine, 21000 Split, Croatia
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12
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Albaugh VL, He Y, Münzberg H, Morrison CD, Yu S, Berthoud HR. Regulation of body weight: Lessons learned from bariatric surgery. Mol Metab 2023; 68:101517. [PMID: 35644477 PMCID: PMC9938317 DOI: 10.1016/j.molmet.2022.101517] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 05/04/2022] [Accepted: 05/21/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Bariatric or weight loss surgery is currently the most effective treatment for obesity and metabolic disease. Unlike dieting and pharmacology, its beneficial effects are sustained over decades in most patients, and mortality is among the lowest for major surgery. Because there are not nearly enough surgeons to implement bariatric surgery on a global scale, intensive research efforts have begun to identify its mechanisms of action on a molecular level in order to replace surgery with targeted behavioral or pharmacological treatments. To date, however, there is no consensus as to the critical mechanisms involved. SCOPE OF REVIEW The purpose of this non-systematic review is to evaluate the existing evidence for specific molecular and inter-organ signaling pathways that play major roles in bariatric surgery-induced weight loss and metabolic benefits, with a focus on Roux-en-Y gastric bypass (RYGB) and vertical sleeve gastrectomy (VSG), in both humans and rodents. MAJOR CONCLUSIONS Gut-brain communication and its brain targets of food intake control and energy balance regulation are complex and redundant. Although the relatively young science of bariatric surgery has generated a number of hypotheses, no clear and unique mechanism has yet emerged. It seems increasingly likely that the broad physiological and behavioral effects produced by bariatric surgery do not involve a single mechanism, but rather multiple signaling pathways. Besides a need to improve and better validate surgeries in animals, advanced techniques, including inducible, tissue-specific knockout models, and the use of humanized physiological traits will be necessary. State-of-the-art genetically-guided neural identification techniques should be used to more selectively manipulate function-specific pathways.
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Affiliation(s)
- Vance L Albaugh
- Translational and Integrative Gastrointestinal and Endocrine Research Laboratory, Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA, USA
| | - Yanlin He
- Brain Glycemic and Metabolism Control Department, Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA, USA
| | - Heike Münzberg
- Neurobiology of Nutrition & Metabolism Department, Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA, USA
| | - Christopher D Morrison
- Neurobiology of Nutrition & Metabolism Department, Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA, USA
| | - Sangho Yu
- Neurobiology of Nutrition & Metabolism Department, Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA, USA
| | - Hans-Rudolf Berthoud
- Neurobiology of Nutrition & Metabolism Department, Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA, USA.
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13
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Zheng Z, Hu Y, Tang J, Xu W, Zhu W, Zhang W. The implication of gut microbiota in recovery from gastrointestinal surgery. Front Cell Infect Microbiol 2023; 13:1110787. [PMID: 36926517 PMCID: PMC10011459 DOI: 10.3389/fcimb.2023.1110787] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 02/15/2023] [Indexed: 03/08/2023] Open
Abstract
Recovery from gastrointestinal (GI) surgery is often interrupted by the unpredictable occurrence of postoperative complications, including infections, anastomotic leak, GI dysmotility, malabsorption, cancer development, and cancer recurrence, in which the implication of gut microbiota is beginning to emerge. Gut microbiota can be imbalanced before surgery due to the underlying disease and its treatment. The immediate preparations for GI surgery, including fasting, mechanical bowel cleaning, and antibiotic intervention, disrupt gut microbiota. Surgical removal of GI segments also perturbs gut microbiota due to GI tract reconstruction and epithelial barrier destruction. In return, the altered gut microbiota contributes to the occurrence of postoperative complications. Therefore, understanding how to balance the gut microbiota during the perioperative period is important for surgeons. We aim to overview the current knowledge to investigate the role of gut microbiota in recovery from GI surgery, focusing on the crosstalk between gut microbiota and host in the pathogenesis of postoperative complications. A comprehensive understanding of the postoperative response of the GI tract to the altered gut microbiota provides valuable cues for surgeons to preserve the beneficial functions and suppress the adverse effects of gut microbiota, which will help to enhance recovery from GI surgery.
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Gentile JKA, Oliveira KD, Pereira JG, Tanaka DY, Guidini GN, Cadona MZ, Siriani-Ribeiro DW, Perondini MT. THE INTESTINAL MICROBIOME IN PATIENTS UNDERGOING BARIATRIC SURGERY: A SYSTEMATIC REVIEW. Arq Bras Cir Dig 2022; 35:e1707. [PMID: 36542005 PMCID: PMC9767418 DOI: 10.1590/0102-672020220002e1707] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 08/16/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Dysbiosis of the gut microbiota is frequently found in cases of obesity and related metabolic diseases, such as type 2 diabetes mellitus. The composition of the microbiota in diabetics is similar to that of obese people, thereby causing increased energy uptake efficiency in the large intestine of obese people, maintenance of a systemic inflammatory state, and increased insulin resistance. Bariatric surgery seems to entail an improvement in gut dysbiosis, leading to an increased diversity of the gut microbiota. AIMS This study aimed to present a literature review on obesity-associated gut dysbiosis and its status post-bariatric surgery. METHODS A systematic review of primary studies was conducted in PubMed, SciELO, BIREME, LILACS, Embase, ScienceDirect, and Scopus databases using DeCS (Health Science Descriptors) with the terms "obesity," "intestinal dysbiosis," "bariatric surgery," and "microbiota." RESULTS We analyzed 28 articles that had clinical studies or literature reviews as their main characteristics, of which 82% (n=23) corresponded to retrospective studies. The sample size of the studies ranged from 9 to 257 participants and/or fecal samples. The epidemiological profile showed a higher prevalence of obesity in females, ranging from 24.4 to 35.1%, with a mean age of around 25-40 years. There was a variation regarding the type of bariatric surgery, migrating between the Roux-en-Y bypass, adjustable gastric banding, and vertical gastrectomy. Of the 28 studies, 6 of them evaluated the gut microbiota of obese patients undergoing bariatric surgery and their relationship with type 2 diabetes mellitus/glucose metabolism/insulin resistance. CONCLUSIONS The intestinal microbiota is an important influencer in the regulation of the digestive tract, and obese individuals with comorbidities (diabetes mellitus, hypercholesterolemia, and metabolic syndrome) present important alterations, with an unbalance normal state, generating dysbiosis and the proliferation of bacterial species that favor the appearance of new diseases. Patients who undergo bariatric surgery present an improvement in the intestinal microbiota imbalance as well as reversibility of their comorbidities, increasing their life expectancy.
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Affiliation(s)
- João Kleber Almeida Gentile
- Faculty of Medicine, City of São Paulo University, Surgical Skills and Operative Technique Unit – São Paulo (SP), Brazil;,São Camilo Hospital, Pompéia Unit, Department of Digestive, Bariatric and Metabolic Surgery, São Paulo (SP), Brazil
| | | | | | - Daniel Yuji Tanaka
- Faculty of Medicine, City of São Paulo University, São Paulo (SP), Brazil
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15
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Sasaki GY, Vodovotz Y, Yu Z, Bruno RS. Catechin Bioavailability Following Consumption of a Green Tea Extract Confection Is Reduced in Obese Persons without Affecting Gut Microbial-Derived Valerolactones. Antioxidants (Basel) 2022; 11:antiox11122490. [PMID: 36552698 PMCID: PMC9774199 DOI: 10.3390/antiox11122490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 12/09/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022] Open
Abstract
Obesity-related cardiometabolic disorders are driven by inflammation, oxidative stress, and gut dysbiosis. Green tea catechins protect against cardiometabolic disorders by anti-inflammatory, antioxidant, and prebiotic activities. However, whether obesity alters catechin bioavailability remains unknown. We hypothesized that obesity would decrease catechin bioavailability due to altered gut microbiota composition. Obese and healthy persons completed a pharmacokinetics trial in which a confection formulated with green tea extract (GTE; 58% epigallocatechin gallate, 17% epigallocatechin, 8% epicatechin, 6% epicatechin gallate) was ingested before collecting plasma and urine at timed intervals for up to 24 h. Stool samples were collected prior to confection ingestion. Catechins and γ-valerolactones were assessed by LC-MS. Obesity reduced plasma area under the curve (AUC0-12h) by 24-27% and maximum plasma concentrations by 18-36% for all catechins. Plasma AUC0-12h for 5'-(3',4'-dihydroxyphenyl)-γ-valerolactone and 5'-(3',4',5'-trihydroxyphenyl)-γ-valerolactone, as well as total urinary elimination of all catechins and valerolactones, were unaffected. ⍺-Diversity in obese persons was lower, while Slackia was the only catechin-metabolizing bacteria that was altered by obesity. Ascorbic acid and diversity metrics were correlated with catechin/valerolactone bioavailability. These findings indicate that obesity reduces catechin bioavailability without affecting valerolactone generation, urinary catechin elimination, or substantially altered gut microbiota populations, suggesting a gut-level mechanism that limits catechin absorption.
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Affiliation(s)
- Geoffrey Y. Sasaki
- Human Nutrition Program, The Ohio State University, Columbus, OH 43210, USA
| | - Yael Vodovotz
- Department of Food Science and Technology, The Ohio State University, Columbus, OH 43210, USA
| | - Zhongtang Yu
- Department of Animal Sciences, The Ohio State University, Columbus, OH 43210, USA
| | - Richard S. Bruno
- Human Nutrition Program, The Ohio State University, Columbus, OH 43210, USA
- Correspondence: ; Tel.: +1-614-292-5522
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16
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Coimbra VOR, Crovesy L, Ribeiro-Alves M, Faller ALK, Mattos F, Rosado EL. Gut Microbiota Profile in Adults Undergoing Bariatric Surgery: A Systematic Review. Nutrients 2022; 14. [PMID: 36501007 DOI: 10.3390/nu14234979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/09/2022] [Accepted: 11/12/2022] [Indexed: 11/25/2022] Open
Abstract
Gut microbiota (GM) after bariatric surgery (BS) has been considered as a factor associated with metabolic improvements and weight loss. In this systematic review, we evaluate changes in the GM, characterized by 16S rRNA and metagenomics techniques, in obese adults who received BS. The PubMed, Scopus, Web of Science, and LILACS databases were searched. Two independent reviewers analyzed articles published in the last ten years, using Rayyan QCRI. The initial search resulted in 1275 documents, and 18 clinical trials were included after the exclusion criteria were applied. The predominance of intestinal bacteria phyla varied among studies; however, most of them reported a greater amount of Bacteroidetes (B), Proteobacteria (P), and diversity (D) after BS. Firmicutes (F), B, and the (F/B) ratio was inconsistent, increasing or decreasing after Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG) were conducted, compared to before surgery. There was a reduction in the relative proportion of F. Moreover, a higher proportion of Actinobacteria (A) was observed after RYGB was conducted. However, the same was not identified when SG procedures were applied. Genera abundance and bacteria predominance varied according to the surgical procedure, with limited data regarding the impact on phyla. The present study was approved by PROSPERO, under registration number CRD42020209509.
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17
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Becerril S, Tuero C, Cienfuegos JA, Rodríguez A, Catalán V, Ramírez B, Valentí V, Moncada R, Unamuno X, Gómez-Ambrosi J, Frühbeck G. Improved Adipose Tissue Function after Single Anastomosis Duodeno-Ileal Bypass with Sleeve-Gastrectomy (SADI-S) in Diet-Induced Obesity. Int J Mol Sci 2022; 23:ijms231911641. [PMID: 36232953 PMCID: PMC9570280 DOI: 10.3390/ijms231911641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/27/2022] [Accepted: 09/27/2022] [Indexed: 11/09/2022] Open
Abstract
Bariatric surgery has been recognized as the safest and most effective procedure for controlling type 2 diabetes (T2D) and obesity in carefully selected patients. The aim of the present study was to compare the effects of Sleeve Gastrectomy (SG) and Single Anastomosis Duodenoileal Bypass with SG (SADI-S) on the metabolic profile of diet-induced obese rats. A total of 35 four-week-old male Wistar rats were submitted to surgical interventions (sham operation, SG and SADI-S) after 4 months of being fed a high-fat diet. Body weight, metabolic profile and the expression of molecules involved in the control of subcutaneous white (SCWAT), brown (BAT) and beige (BeAT) adipose tissue function were analyzed. SADI-S surgery was associated with significantly decreased amounts of total fat pads (p < 0.001) as well as better control of lipid and glucose metabolism compared to the SG counterparts. An improved expression of molecules involved in fat browning in SCWAT and in the control of BAT and BeAT differentiation and function was observed following SADI-S. Together, our findings provide evidence that the enhanced metabolic improvement and their continued durability after SADI-S compared to SG rely, at least in part, on the improvement of the BeAT phenotype and function.
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Affiliation(s)
- Sara Becerril
- Metabolic Research Laboratory, Clínica Universidad de Navarra, 31008 Pamplona, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Obesity and Adipobiology Group, Instituto de Investigación Sanitaria de Navarra (IdiSNA), 31008 Pamplona, Spain
- Correspondence:
| | - Carlota Tuero
- Department of Surgery, Clínica Universidad de Navarra, 31008 Pamplona, Spain
| | - Javier A. Cienfuegos
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Department of Surgery, Clínica Universidad de Navarra, 31008 Pamplona, Spain
| | - Amaia Rodríguez
- Metabolic Research Laboratory, Clínica Universidad de Navarra, 31008 Pamplona, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Obesity and Adipobiology Group, Instituto de Investigación Sanitaria de Navarra (IdiSNA), 31008 Pamplona, Spain
| | - Victoria Catalán
- Metabolic Research Laboratory, Clínica Universidad de Navarra, 31008 Pamplona, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Obesity and Adipobiology Group, Instituto de Investigación Sanitaria de Navarra (IdiSNA), 31008 Pamplona, Spain
| | - Beatriz Ramírez
- Metabolic Research Laboratory, Clínica Universidad de Navarra, 31008 Pamplona, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Obesity and Adipobiology Group, Instituto de Investigación Sanitaria de Navarra (IdiSNA), 31008 Pamplona, Spain
| | - Víctor Valentí
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Department of Surgery, Clínica Universidad de Navarra, 31008 Pamplona, Spain
| | - Rafael Moncada
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Department of Anesthesia, Clínica Universidad de Navarra, 31008 Pamplona, Spain
| | - Xabier Unamuno
- Metabolic Research Laboratory, Clínica Universidad de Navarra, 31008 Pamplona, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Medical Engineering Laboratory, University of Navarra, 31008 Pamplona, Spain
| | - Javier Gómez-Ambrosi
- Metabolic Research Laboratory, Clínica Universidad de Navarra, 31008 Pamplona, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Obesity and Adipobiology Group, Instituto de Investigación Sanitaria de Navarra (IdiSNA), 31008 Pamplona, Spain
| | - Gema Frühbeck
- Metabolic Research Laboratory, Clínica Universidad de Navarra, 31008 Pamplona, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Obesity and Adipobiology Group, Instituto de Investigación Sanitaria de Navarra (IdiSNA), 31008 Pamplona, Spain
- Department of Endocrinology & Nutrition, Clínica Universidad de Navarra, 31008 Pamplona, Spain
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Xia Y, Ren M, Yang J, Cai C, Cheng W, Zhou X, Lu D, Ji F. Gut microbiome and microbial metabolites in NAFLD and after bariatric surgery: Correlation and causality. Front Microbiol 2022; 13:1003755. [PMID: 36204626 PMCID: PMC9531827 DOI: 10.3389/fmicb.2022.1003755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is currently related to a heavy socioeconomic burden and increased incidence. Since obesity is the most prevalent risk factor for NAFLD, weight loss is an effective therapeutic solution. Bariatric surgery (BS), which can achieve long-term weight loss, improves the overall health of patients with NAFLD. The two most common surgeries are the Roux-en-Y gastric bypass and sleeve gastrectomy. The gut-liver axis is the complex network of cross-talking between the gut, its microbiome, and the liver. The gut microbiome, involved in the homeostasis of the gut-liver axis, is believed to play a significant role in the pathogenesis of NAFLD and the metabolic improvement after BS. Alterations in the gut microbiome in NAFLD have been confirmed compared to that in healthy individuals. The mechanisms linking the gut microbiome to NAFLD have been proposed, including increased intestinal permeability, higher energy intake, and other pathophysiological alterations. Interestingly, several correlation studies suggested that the gut microbial signatures after BS become more similar to those of lean, healthy controls than that of patients with NAFLD. The resolution of NAFLD after BS is related to changes in the gut microbiome and its metabolites. However, confirming a causal link remains challenging. This review summarizes characteristics of the gut microbiome in patients with NAFLD before and after BS and accumulates existing evidence about the underlying mechanisms of the gut microbiome.
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Affiliation(s)
- Yi Xia
- Department of Gastroenterology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Mengting Ren
- Department of Gastroenterology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jinpu Yang
- Department of Gastroenterology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Changzhou Cai
- Department of Gastroenterology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Weixin Cheng
- Department of Gastroenterology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xinxin Zhou
- Department of Gastroenterology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Dan Lu
- Department of Endoscopy Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Feng Ji
- Department of Gastroenterology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- *Correspondence: Feng Ji,
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19
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Kheirvari M, Lacy VA, Goudarzi H, RabieNezhad Ganji N, Kamali Ardekani M, Anbara T. The changes in cognitive function following bariatric surgery considering the function of gut microbiome. Obes Pillars 2022; 3:100020. [PMID: 37990721 PMCID: PMC10662092 DOI: 10.1016/j.obpill.2022.100020] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/11/2022] [Accepted: 05/11/2022] [Indexed: 11/23/2023]
Abstract
Background There is a correlation between gut microbiota and cognitive function. The mechanisms and pathways explain why the incidence of Alzheimer's disease in subjects undergoing bariatric surgery is lower than in other people with obesity. Methods In this review article, we aim to discuss the association of obesity, cognitive impairment, and physiological changes after bariatric surgery. Results Bariatric surgery has a series of physiological benefits which may lead to an improvement in cognitive functions in individuals who are prone to later developing Alzheimer's disease. Also, taxonomical change in the gut microbiome profile provides a healthy condition for living with better levels of cognition without neuropathological damages in older ages. Conclusion It can be concluded that there is a possible correlation between cognitive dysfunction and increased risk of cognitive dysfunction in people with a BMI higher than 40 kg/m2. Bariatric surgery may increase neurotransmitters and improve the gut bacteria, leading to a significant reduction in the risk of Alzheimer's disease.
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Affiliation(s)
- Milad Kheirvari
- Microbiology Research Centre, Pasteur Institute of Iran, Tehran, Iran
| | | | | | | | | | - Taha Anbara
- Medical Research Center, Tandis Hospital, Tehran, Iran
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Martínez-López YE, Esquivel-Hernández DA, Sánchez-Castañeda JP, Neri-Rosario D, Guardado-Mendoza R, Resendis-Antonio O. Type 2 diabetes, gut microbiome, and systems biology: A novel perspective for a new era. Gut Microbes 2022; 14:2111952. [PMID: 36004400 PMCID: PMC9423831 DOI: 10.1080/19490976.2022.2111952] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
The association between the physio-pathological variables of type 2 diabetes (T2D) and gut microbiota composition suggests a new avenue to track the disease and improve the outcomes of pharmacological and non-pharmacological treatments. This enterprise requires new strategies to elucidate the metabolic disturbances occurring in the gut microbiome as the disease progresses. To this end, physiological knowledge and systems biology pave the way for characterizing microbiota and identifying strategies in a move toward healthy compositions. Here, we dissect the recent associations between gut microbiota and T2D. In addition, we discuss recent advances in how drugs, diet, and exercise modulate the microbiome to favor healthy stages. Finally, we present computational approaches for disentangling the metabolic activity underlying host-microbiota codependence. Altogether, we envision that the combination of physiology and computational modeling of microbiota metabolism will drive us to optimize the diagnosis and treatment of T2D patients in a personalized way.
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Affiliation(s)
- Yoscelina Estrella Martínez-López
- Human Systems Biology Laboratory. Instituto Nacional de Medicina Genómica (INMEGEN). México City, México,Programa de Doctorado en Ciencias Médicas, Odontológicas y de la Salud, Universidad Nacional Autónoma de México (UNAM). Ciudad de México, México,Metabolic Research Laboratory, Department of Medicine and Nutrition. University of Guanajuato. León, Guanajuato, México
| | | | - Jean Paul Sánchez-Castañeda
- Human Systems Biology Laboratory. Instituto Nacional de Medicina Genómica (INMEGEN). México City, México,Programa de Maestría en Ciencias Bioquímicas, Universidad Nacional Autónoma de México (UNAM). Ciudad de México, México
| | - Daniel Neri-Rosario
- Human Systems Biology Laboratory. Instituto Nacional de Medicina Genómica (INMEGEN). México City, México,Programa de Maestría en Ciencias Bioquímicas, Universidad Nacional Autónoma de México (UNAM). Ciudad de México, México
| | - Rodolfo Guardado-Mendoza
- Metabolic Research Laboratory, Department of Medicine and Nutrition. University of Guanajuato. León, Guanajuato, México,Research Department, Hospital Regional de Alta Especialidad del Bajío. León, Guanajuato, México,Rodolfo Guardado-Mendoza Metabolic Research Laboratory, Department of Medicine and Nutrition. University of Guanajuato. León, Guanajuato, México
| | - Osbaldo Resendis-Antonio
- Human Systems Biology Laboratory. Instituto Nacional de Medicina Genómica (INMEGEN). México City, México,Coordinación de la Investigación Científica – Red de Apoyo a la Investigación, Universidad Nacional Autónoma de México (UNAM). Ciudad de México, México,CONTACT Osbaldo Resendis-Antonio Centro de Ciencias de la Complejidad, Universidad Nacional Autónoma de México (UNAM), Periferico Sur 4809, Arenal Tepepan, Tlalpan, 14610 Ciudad de México, CDMX
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21
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Salazar N, Ponce-Alonso M, Garriga M, Sánchez-Carrillo S, Hernández-Barranco AM, Redruello B, Fernández M, Botella-Carretero JI, Vega-Piñero B, Galeano J, Zamora J, Ferrer M, de Los Reyes-Gavilán CG, Del Campo R. Fecal Metabolome and Bacterial Composition in Severe Obesity: Impact of Diet and Bariatric Surgery. Gut Microbes 2022; 14:2106102. [PMID: 35903014 PMCID: PMC9341356 DOI: 10.1080/19490976.2022.2106102] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
The aim of this study was to monitor the impact of a preoperative low-calorie diet and bariatric surgery on the bacterial gut microbiota composition and functionality in severe obesity and to compare sleeve gastrectomy (SG) versus Roux-en-Y gastric bypass (RYGB). The study also aimed to incorporate big data analysis for the omics results and machine learning by a Lasso-based analysis to detect the potential markers for excess weight loss. Forty patients who underwent bariatric surgery were recruited (14 underwent SG, and 26 underwent RYGB). Each participant contributed 4 fecal samples (baseline, post-diet, 1 month after surgery and 3 months after surgery). The bacterial composition was determined by 16S rDNA massive sequencing using MiSeq (Illumina). Metabolic signatures associated to fecal concentrations of short-chain fatty acids, amino acids, biogenic amines, gamma-aminobutyric acid and ammonium were determined by gas and liquid chromatography. Orange 3 software was employed to correlate the variables, and a Lasso analysis was employed to predict the weight loss at the baseline samples. A correlation between Bacillota (formerly Firmicutes) abundance and excess weight was observed only for the highest body mass indexes. The low-calorie diet had little impact on composition and targeted metabolic activity. RYGB had a deeper impact on bacterial composition and putrefactive metabolism than SG, although the excess weight loss was comparable in the two groups. Significantly higher ammonium concentrations were detected in the feces of the RYGB group. We detected individual signatures of composition and functionality, rather than a gut microbiota characteristic of severe obesity, with opposing tendencies for almost all measured variables in the two surgical approaches. The gut microbiota of the baseline samples was not useful for predicting excess weight loss after the bariatric process.
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Affiliation(s)
- Nuria Salazar
- Department of Microbiology and Biochemistry of Dairy Products, Instituto de Productos Lácteos de Asturias (IPLA-CSIC), Villaviciosa & Diet, Microbiota and Health Group. Institute of Health Research of the Principality of Asturias (ISPA), Oviedo, Spain
| | - Manuel Ponce-Alonso
- Department of Microbiology, Servicio de Microbiología. Hospital Universitario Ramón y Cajal, & Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), & CIBERINFECT, Madrid, Spain
| | - María Garriga
- Servicio de Endocrinología y Nutrición, Hospital Universitario Ramón y Cajal, & Instituto Ramón y Cajal de Investigación Sanitaria (IRyCIS), Madrid, Spain
| | | | | | - Begoña Redruello
- Servicios Científico-Técnicos, Instituto de Productos Lácteos de Asturias (IPLA-CSIC), Villaviciosa, Spain
| | - María Fernández
- Department of Technology and Biotechnology of Dairy Products, Instituto de Productos Lácteos de Asturias (IPLA-CSIC), Villaviciosa & Molecular Microbiology Group, Institute of Health Research of the Principality of Asturias (ISPA), Oviedo, Spain
| | - José Ignacio Botella-Carretero
- Servicio de Endocrinología y Nutrición, Hospital Universitario Ramón y Cajal, & Instituto Ramón y Cajal de Investigación Sanitaria (IRyCIS), Madrid, Spain,Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Madrid, Spain,Universidad de Alcalá, Madrid, Spain
| | - Belén Vega-Piñero
- Servicio de Endocrinología y Nutrición, Hospital Universitario Ramón y Cajal, & Instituto Ramón y Cajal de Investigación Sanitaria (IRyCIS), Madrid, Spain
| | - Javier Galeano
- Grupo de Sistemas Complejos, Universidad Politécnica de Madrid, Spain
| | - Javier Zamora
- Unidad de Bioestadística Clínica, Hospital Universitario Ramón y Cajal, & Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), & CIBER Epidemiology and Public Health (CIBERESP), Madrid, Spain & Women’s Health Research Unit. Queen Mary University of London, London, UK
| | - Manuel Ferrer
- Instituto de Catálisis, Consejo Superior de Investigaciones Científicas, Madrid, Spain
| | - Clara G de Los Reyes-Gavilán
- Department of Microbiology and Biochemistry of Dairy Products, Instituto de Productos Lácteos de Asturias (IPLA-CSIC), Villaviciosa & Diet, Microbiota and Health Group. Institute of Health Research of the Principality of Asturias (ISPA), Oviedo, Spain,CONTACT Clara G. de Los Reyes-Gavilán Department of Microbiology and Biochemistry of Dairy Products Instituto de Productos Lácteos de Asturias (IPLA-CSIC), Villaviciosa & Diet, Microbiota and Health Group. Institute of Health Research of the Principality of Asturias (ISPA), Oviedo, Spain
| | - Rosa Del Campo
- Department of Microbiology, Servicio de Microbiología. Hospital Universitario Ramón y Cajal, & Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), & CIBERINFECT, Madrid, Spain,Universidad Alfonso X El Sabio, Villanueva de la Cañada, Spain,Rosa del Campo Department of Microbiology, Hospital Ramon y Cajal, Madrid, Spain
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22
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Mika A, Janczy A, Waleron K, Szymanski M, Kaska L, Sledzinski T. The impact of the interplay of the intestinal microbiome and diet on the metabolomic and health outcomes of bariatric surgery. Obes Rev 2022; 23:e13455. [PMID: 35393734 DOI: 10.1111/obr.13455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 03/11/2022] [Accepted: 03/24/2022] [Indexed: 11/27/2022]
Abstract
Obesity has evolved into a global epidemic. Bariatric surgery, the most effective treatment for obesity, keeps many comorbidities of obesity at bay for a prolonged period of time. However, complications, including metabolic alterations, are inherent in bariatric surgery. Surgical intervention in the structure of the digestive tract, especially during bariatric bypass procedures, also causes significant changes in the composition of the microbiome, which may affect the composition and quantity of various metabolites produced by intestinal bacteria. The composition of the intestinal microbiome is connected to human metabolism via metabolites that are produced and secreted by bacterial cells into the intestinal lumen and then absorbed into the host's bloodstream. Bariatric surgery causes changes in the composition and quantity of many circulating metabolites. Metabolic disorders may be affected after bariatric surgery by changes in the composition of the microbiome and metabolites produced by bacteria.
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Affiliation(s)
- Adriana Mika
- Department of Pharmaceutical Biochemistry, Faculty of Pharmacy, Medical University of Gdansk, Gdansk, Poland
| | - Agata Janczy
- Department of Clinical Nutrition, Medical University of Gdansk, Gdansk, Poland
| | - Krzysztof Waleron
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Medical University of Gdansk, Gdansk, Poland
| | - Michal Szymanski
- Department of General, Endocrine and Transplant Surgery, Faculty of Medicine, Medical University of Gdansk, Gdansk, Poland
| | - Lukasz Kaska
- Department of General, Endocrine and Transplant Surgery, Faculty of Medicine, Medical University of Gdansk, Gdansk, Poland
| | - Tomasz Sledzinski
- Department of Pharmaceutical Biochemistry, Faculty of Pharmacy, Medical University of Gdansk, Gdansk, Poland
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23
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Liang D, Zhang X, Liu Z, Zheng R, Zhang L, Yu D, Shen X. The Genus Parabacteroides Is a Potential Contributor to the Beneficial Effects of Truncal Vagotomy-Related Bariatric Surgery. Obes Surg 2022. [PMID: 35546385 DOI: 10.1007/s11695-022-06017-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 03/12/2022] [Accepted: 03/16/2022] [Indexed: 11/22/2022]
Abstract
Purpose Evidences about the gut microbiota role in weight loss after bariatric surgery (BS) are growing. The objective of this study was to observe the changes of gut microbiota after sleeve gastrectomy (SG) and SG plus truncal vagotomy (SG-TV) and identify specific microbes that may contribute to the improvement of obesity after surgeries. Materials and Methods Forty high-fat diet-induced obesity (DIO) mice were randomized to SG, SG-TV, or sham operation (SH) groups. Body weight (BW) and fast blood glucose (FBG) were measured before and 1, 2, 4, 8, and 12 weeks post-operatively. Fecal samples were collected before and at post-operative week 12 and profiled using 16S rRNA relative and absolute quantitative sequencing. Results After the surgery, the SG and SG-TV surgeries significantly reduce BW and FBG levels compared with SH, and the SG-TV achieved better effects than SG. A decreasing trend in alpha diversity of gut microbiota and significant changes in taxonomic composition were observed after surgeries. Then, we identified a set of microbes and pathways significantly different in abundance after BS. The genus Parabacteroides and one pathway (polyketide sugar unit biosynthesis) increased in SG-TV group specially, which was also negatively correlated with BW and FBG. Conclusion SG and SG-TV indeed achieve effects of weight loss, but TV could enhance the efficacy of SG. The identified different microbes and pathways, like Parabacteroides, polyketide sugar unit biosynthesis, may partly mediate the beneficial effects of BS, and thus possibly contribute to the development of novel bacteria-based therapeutic approaches. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1007/s11695-022-06017-9.
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24
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Koutoukidis DA, Jebb SA, Zimmerman M, Otunla A, Henry JA, Ferrey A, Schofield E, Kinton J, Aveyard P, Marchesi JR. The association of weight loss with changes in the gut microbiota diversity, composition, and intestinal permeability: a systematic review and meta-analysis. Gut Microbes 2022; 14:2020068. [PMID: 35040746 PMCID: PMC8796717 DOI: 10.1080/19490976.2021.2020068] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The gut microbiome may be a mediator between obesity and health outcomes. However, it is unclear how intentional weight loss changes the gut microbiota and intestinal permeability. We aimed to systematically review and quantify this association. We searched Medline, Embase, CINAHL, Cochrane databases, and trial registries until June 2020 (PROSPERO: CRD42020205292). We included trials of weight loss interventions (energy-restricted diets, pharmacotherapy, bariatric surgery) reporting on the microbiome. Two reviewers independently completed screening, extraction, and risk assessment with the ROBINS-I tool. Pooled standardized mean differences (SMDs) were obtained from random-effects meta-analyses. Forty-seven trials with 1,916 participants (81% female) and a median follow-up of 6 months (range: 2-24) were included. Based on imprecise evidence but with fairly consistent direction of effect, weight loss was associated with a statistically significant increase in α-diversity [SMD: 0.4 (95% CI: 0.2, 0.6], p < .0001, I2 = 70%, n = 30 studies) and a statistically significant reduction in intestinal permeability [SMD: -0.7 (95% CI: -0.9, -0.4), p < .0001, I2 = 83%, n = 17 studies]. Each kg of weight loss was associated with a 0.012 (95% CI: 0.0003, 0.024, p = .045) increase in α-diversity and a -0.017 (95% CI: -0.034, -0.001, p = .038) reduction in intestinal permeability. There was clear evidence of increases in the relative abundance of Akkermansia, but no clear evidence of changes in individual phyla, species, or fecal short-chain fatty acids. Restricting the analyses to the studies with lower risk of bias did not materially alter the estimates. Increasing weight loss is positively associated with increases in gut microbiota α-diversity and reductions in intestinal permeability.
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Affiliation(s)
- Dimitrios A Koutoukidis
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK,NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, Oxford, UK,CONTACT Dimitrios A Koutoukidis University of OxfordOxfordUnited Kingdom
| | - Susan A Jebb
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK,NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Matthew Zimmerman
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Afolarin Otunla
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - J. Aaron Henry
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Anne Ferrey
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Ella Schofield
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Jade Kinton
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Paul Aveyard
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK,NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Julian R. Marchesi
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
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25
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Martínez-Montoro JI, Kuchay MS, Balaguer-Román A, Martínez-Sánchez MA, Frutos MD, Fernández-García JC, Ramos-Molina B. Gut microbiota and related metabolites in the pathogenesis of nonalcoholic steatohepatitis and its resolution after bariatric surgery. Obes Rev 2022; 23:e13367. [PMID: 34729904 DOI: 10.1111/obr.13367] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 09/06/2021] [Accepted: 09/06/2021] [Indexed: 12/17/2022]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is increasing in parallel with the rising prevalence of obesity, leading to major health and socioeconomic consequences. To date, the most effective therapeutic approach for NAFLD is weight loss. Accordingly, bariatric surgery (BS), which produces marked reductions in body weight, is associated with significant histopathological improvements in advanced stages of NAFLD, such as nonalcoholic steatohepatitis (NASH) and liver fibrosis. BS is also associated with substantial taxonomical and functional alterations in gut microbiota, which are believed to play a significant role in metabolic improvement after BS. Interestingly, gut microbiota and related metabolites may be implicated in the pathogenesis of NAFLD through diverse mechanisms, including specific microbiome signatures, short chain fatty acid production or the modulation of one-carbon metabolism. Moreover, emerging evidence highlights the potential association between gut microbiota changes after BS and NASH resolution. In this review, we summarize the current knowledge on the relationship between NAFLD severity and gut microbiota, as well as the role of the gut microbiome and related metabolites in NAFLD improvement after BS.
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Affiliation(s)
- José Ignacio Martínez-Montoro
- Department of Endocrinology and Nutrition, Virgen de la Victoria University Hospital, Institute of Biomedical Research in Malaga (IBIMA), Faculty of Medicine, University of Malaga, Malaga, Spain
| | - Mohammad Shafi Kuchay
- Division of Endocrinology and Diabetes, Medanta - The Medicity Hospital, Gurugram, Haryana, India
| | - Andrés Balaguer-Román
- Department of General and Digestive System Surgery, Virgen de la Arrixaca University Hospital, Murcia, Spain.,Obesity and Metabolism Laboratory, Biomedical Research Institute of Murcia (IMIB-Arrixaca), Murcia, Spain
| | | | - María Dolores Frutos
- Department of General and Digestive System Surgery, Virgen de la Arrixaca University Hospital, Murcia, Spain
| | - José Carlos Fernández-García
- Department of Endocrinology and Nutrition, Regional University Hospital of Malaga, Institute of Biomedical Research in Malaga (IBIMA), Faculty of Medicine, University of Malaga, Malaga, Spain
| | - Bruno Ramos-Molina
- Obesity and Metabolism Laboratory, Biomedical Research Institute of Murcia (IMIB-Arrixaca), Murcia, Spain
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26
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Abstract
Currently, there are no approved medications to treat patients with nonalcoholic steatohepatitis (NASH) with fibrosis or cirrhosis. Although the management goal in these patients is weight reduction by 7-10% with lifestyle modifications, only less than 10% of patients achieve this target at 1-year, and fewer maintain the weight loss at 5 years. Bariatric surgery is an option that may be considered in those who fail to lose weight by lifestyle changes. Bariatric surgery has been shown to improve liver histology including fibrosis secondary to NASH, in addition to other benefits including an improvement or resolution of type 2 diabetes mellitus, dyslipidemia, and hypertension, and a reduction of cardiovascular morbidity or mortality. There are no guidelines of bariatric surgery indications for the management of NASH. The purpose of this review is to critically appraise the current knowledge of the role of bariatric surgery and the potential mechanisms for its perceived benefits in the management of patients with NASH-related liver disease.
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27
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Kural A, Khan I, Seyit H, Caglar TR, Toklu P, Vural M. Changes in the gut microbiota of morbidly obese patients after laparoscopic sleeve gastrectomy. Future Microbiol 2021; 17:5-15. [PMID: 34877878 DOI: 10.2217/fmb-2021-0043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aims: Permanent treatment of morbid obesity with medication or diet is nearly impossible. Laparoscopic sleeve gastrectomy (LSG) is becoming a widely accepted treatment option. This study profiled and compared gut microbiota composition before and after LSG. Methods & results: A total of 54 stool samples were collected from 27 morbidly obese individuals before and after LSG. The gut microbiota was profiled with 16S amplicon sequencing. After LSG, patients demonstrated a significant decrease (p < 0.001) in BMI and an increase in bacterial diversity. An increased Firmicutes/Bacteroidetes ratio was also noticed after LSG. The families Prevotellaceae and Veillonellaceae predominated in preoperative samples but were markedly lowered after LSG. A marked increase in Akkermansia, Alistipes, Streptococcus, Ruminococcus and Parabacteroides was observed after LSG. Conclusion: In addition to lowering BMI, LSG remodeled gut microbiota composition.
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Affiliation(s)
- Alev Kural
- Dr Sadi Konuk Research & Training Hospital, University of Health Sciences Bakırköy, Istanbul, Turkey
| | - Imran Khan
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science & Technology, Macau, People's Republic of China
| | - Hakan Seyit
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science & Technology, Macau, People's Republic of China
| | - Tuba R Caglar
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science & Technology, Macau, People's Republic of China
| | - Pınar Toklu
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science & Technology, Macau, People's Republic of China
| | - Meltem Vural
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science & Technology, Macau, People's Republic of China
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28
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Gutiérrez-Repiso C, Moreno-Indias I, Tinahones FJ. Shifts in gut microbiota and their metabolites induced by bariatric surgery. Impact of factors shaping gut microbiota on bariatric surgery outcomes. Rev Endocr Metab Disord 2021; 22:1137-1156. [PMID: 34287758 DOI: 10.1007/s11154-021-09676-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/15/2021] [Indexed: 02/06/2023]
Abstract
Evidence suggests that bariatric surgery alters gut microbiota, although its impact at compositional and functional level is not well described. In this review, the most relevant findings, mainly described in Roux-en-Y gastric bypass and sleeve gastrectomy, are outlined. Although the number of studies has increased in the last years, conclusive assertions cannot be elaborated. An issue to address is to know the influence of these alterations on host metabolism and the contribution of gut microbiota derived metabolites. New lines of research have been focusing on analysing gut microbiota functionality rather than evaluating changes at compositional level, and the functions of gut microbiota metabolites in host metabolism, what will bring more relevant information about the influence of gut microbiota in bariatric surgery outcomes. Personalized medicine, because of the predictive value of gut microbiota, is another promising field. The possibility of a specific gut microbiota pattern that could predict type 2 diabetes remission or weight loss failure after bariatric surgery is a matter of great interest. However, little is known about how gut microbiota manipulation could contribute to the beneficial effects of bariatric surgery. Peri-operative antibiotics prophylaxis or probiotic supplementation early after surgery, are strategies barely studied so far, and could constitute a novel tool in the management of weight loss and metabolic profile improvement after surgery.
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Affiliation(s)
- Carolina Gutiérrez-Repiso
- Unidad de Gestión Clínica de Endocrinología Y Nutrición del Hospital Virgen de La Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA) Málaga. Centro de Investigación Biomédica en Red de Fisiopatología de La Obesidad Y La Nutrición (CIBERobn), Instituto de Salud Carlos III, Madrid, Spain.
| | - Isabel Moreno-Indias
- Unidad de Gestión Clínica de Endocrinología Y Nutrición del Hospital Virgen de La Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA) Málaga. Centro de Investigación Biomédica en Red de Fisiopatología de La Obesidad Y La Nutrición (CIBERobn), Instituto de Salud Carlos III, Madrid, Spain
| | - Francisco J Tinahones
- Unidad de Gestión Clínica de Endocrinología Y Nutrición del Hospital Virgen de La Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA) Málaga. Centro de Investigación Biomédica en Red de Fisiopatología de La Obesidad Y La Nutrición (CIBERobn), Instituto de Salud Carlos III, Madrid, Spain
- Departamento de Medicina Y Dermatología, Universidad de Málaga, Málaga, Spain
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29
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Herrero-Aguayo V, Sáez-Martínez P, López-Cánovas JL, Prados-Carmona JJ, Alcántara-Laguna MD, López FL, Molina-Puerta MJ, Calañas-Continente A, Membrives A, Castilla J, Ruiz-Ravelo J, Alonso-Echague R, Yubero-Serrano EM, Castaño JP, Gahete MD, Gálvez-Moreno MA, Luque RM, Herrera-Martínez AD. Dysregulation of Components of the Inflammasome Machinery After Bariatric Surgery: Novel Targets for a Chronic Disease. J Clin Endocrinol Metab 2021; 106:e4917-e4934. [PMID: 34363480 DOI: 10.1210/clinem/dgab586] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Obesity is a metabolic chronic disease with important associated morbidities and mortality. Bariatric surgery is the most effective treatment for maintaining long-term weight loss in severe obesity and, consequently, for decreasing obesity-related complications, including chronic inflammation. AIM To explore changes in components of the inflammasome machinery after bariatric surgery and their relation with clinical/biochemical parameters at baseline and 6 months after bariatric surgery. PATIENTS AND METHODS Twenty-two patients with morbid-obesity that underwent bariatric surgery (sleeve gastrectomy and Roux-en-Y gastric bypass) were included. Epidemiological/clinical/anthropometric/biochemical evaluation was performed at baseline and 6 months after bariatric surgery. Inflammasome components and inflammatory-associated factors [nucleotide-binding oligomerization domain-like receptors (NLRs), inflammasome activation components, cytokines and inflammation/apoptosis-related components, and cell-cycle and DNA-damage regulators) were evaluated in peripheral blood mononuclear cells (PBMCs) at baseline and 6 months after bariatric surgery. Clinical molecular correlations/associations were analyzed. Functional parameters (lipid accumulation/viability/apoptosis) were analyzed in response to specific inflammasome components silencing in liver HepG2 cells). RESULTS A profound dysregulation of inflammasome components after bariatric surgery was found, especially in NLRs and cell-cycle and DNA damage regulators. Several components were associated with baseline metabolic comorbidities including type 2 diabetes (C-C motif chemokine ligand 2/C-X-C motif chemokine receptor 1/sirtuin 1), hypertension (absent in melanoma 2/ASC/purinergic receptor P2X 7), and dyslipidemia [C-X-C motif chemokine ligand 3 (CXCL3)/NLR family pyrin domain containing (NLRP) 7) and displayed changes in their molecular profile 6 months after bariatric surgery. The gene expression fingerprint of certain factors NLR family CARD domain containing 4 (NLRC4)/NLRP12/CXCL3)/C-C motif chemokine ligand 8/toll-like receptor 4) accurately differentiated pre- and postoperative PBMCs. Most changes were independent of the performed surgical technique. Silencing of NLRC4/NLRP12 resulted in altered lipid accumulation, apoptosis rate, and cell viability in HepG2 cells. CONCLUSION Bariatric surgery induces a profound alteration in the gene expression pattern of components of the inflammasome machinery in PBMCs. Expression and changes of certain inflammasome components are associated to baseline metabolic comorbidities, including type 2 diabetes, and may be related to the improvement and reversion of some obesity-related comorbidities after bariatric surgery.
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Affiliation(s)
- Vicente Herrero-Aguayo
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba; Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn); Córdoba, Spain
| | - Prudencio Sáez-Martínez
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn); Córdoba, Spain
- Endocrinology and Nutrition Service, Reina Sofia University Hospital; Córdoba, Spain
| | - Juan L López-Cánovas
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba; Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn); Córdoba, Spain
| | - Juan J Prados-Carmona
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- Endocrinology and Nutrition Service, Reina Sofia University Hospital; Córdoba, Spain
| | - María D Alcántara-Laguna
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- Endocrinology and Nutrition Service, Reina Sofia University Hospital; Córdoba, Spain
| | - Fernando L López
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba; Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn); Córdoba, Spain
| | - María J Molina-Puerta
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- Endocrinology and Nutrition Service, Reina Sofia University Hospital; Córdoba, Spain
| | - Alfonso Calañas-Continente
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- Endocrinology and Nutrition Service, Reina Sofia University Hospital; Córdoba, Spain
| | - Antonio Membrives
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- General Surgery Service, Reina Sofia University Hospital; Córdoba, Spain
| | - Juan Castilla
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- General Surgery Service, Reina Sofia University Hospital; Córdoba, Spain
| | - Juan Ruiz-Ravelo
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- General Surgery Service, Reina Sofia University Hospital; Córdoba, Spain
| | - Rosario Alonso-Echague
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- General Surgery Service, Reina Sofia University Hospital; Córdoba, Spain
| | - Elena M Yubero-Serrano
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn); Córdoba, Spain
- Lipids and Atherosclerosis Unit, Department of Internal Medicine, Reina Sofia University Hospital, Córdoba, Spain
| | - Justo P Castaño
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba; Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn); Córdoba, Spain
| | - Manuel D Gahete
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba; Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn); Córdoba, Spain
| | - María A Gálvez-Moreno
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- Endocrinology and Nutrition Service, Reina Sofia University Hospital; Córdoba, Spain
| | - Raúl M Luque
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba; Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn); Córdoba, Spain
| | - Aura D Herrera-Martínez
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC); Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
- Endocrinology and Nutrition Service, Reina Sofia University Hospital; Córdoba, Spain
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Tarazi M, Jamel S, Mullish BH, Markar SR, Hanna GB. Impact of gastrointestinal surgery upon the gut microbiome: A systematic review. Surgery 2021; 171:1331-1340. [PMID: 34809971 DOI: 10.1016/j.surg.2021.10.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 10/01/2021] [Accepted: 10/04/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND There is evidence from preclinical models that the gut microbiome may impact outcomes from gastrointestinal surgery, and that surgery may alter the gut microbiome. However, the extent to which gastrointestinal surgery modulates the gut microbiome in clinical practice is currently poorly defined. This systematic review aims to evaluate the changes observed in the gut microbiome after gastrointestinal surgery. METHODS A systematic review and meta-analysis were conducted according to the PRISMA guidelines by screening EMBASE, MEDLINE/PubMed, Web of Science, and CENTRAL for comparative studies meeting the predetermined inclusion criteria. The primary outcome was the difference between pre and postoperative bacterial taxonomic composition and diversity metrics among patients receiving gastrointestinal surgery. RESULTS In total, 33 studies were identified including 6 randomized controlled trials and 27 prospective cohort studies reporting a total of 968 patients. Gastrointestinal surgery was associated with an increase in α diversity and a shift in β diversity postoperatively. Multiple bacterial taxa were identified to consistently trend toward an increase or decrease postoperatively. A difference in microbiota across geographic provenance was also observed. There was a distinct lack of studies showing correlation with clinical outcomes or performing microbiome functional analysis. Furthermore, there was a lack of standardization in sampling, analytical methodology, and reporting. CONCLUSION This review highlights changes in bacterial taxa associated with gastrointestinal surgery. There is a need for standardization of microbial analysis methods and reporting of results to allow interstudy comparison. Further adequately powered multicenter studies are required to better assess variation in microbial changes and its potential associations with clinical outcomes.
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Affiliation(s)
- Munir Tarazi
- Department of Surgery and Cancer, Imperial College London, UK. https://www.twitter.com/TaraziMunir
| | - Sara Jamel
- Department of Surgery and Cancer, Imperial College London, UK
| | - Benjamin H Mullish
- Division of Digestive Diseases, Department of Metabolism, Digestion, and Reproduction, Faculty of Medicine, Imperial College London, UK. https://www.twitter.com/bhmullish
| | - Sheraz R Markar
- Department of Surgery and Cancer, Imperial College London, UK; Department of Molecular Medicine and Surgery, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden. https://www.twitter.com/MarkarSheraz
| | - George B Hanna
- Department of Surgery and Cancer, Imperial College London, UK.
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Blonde GD, Price RK, le Roux CW, Spector AC. Meal Patterns and Food Choices of Female Rats Fed a Cafeteria-Style Diet Are Altered by Gastric Bypass Surgery. Nutrients 2021; 13:3856. [PMID: 34836110 PMCID: PMC8623594 DOI: 10.3390/nu13113856] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/21/2021] [Accepted: 10/26/2021] [Indexed: 12/28/2022] Open
Abstract
After Roux-en-Y gastric bypass surgery (RYGB), rats tend to reduce consumption of high-sugar and/or high-fat foods over time. Here, we sought to investigate the behavioral mechanisms underlying these intake outcomes. Adult female rats were provided a cafeteria diet comprised of five palatable foodstuffs varying in sugar and fat content and intake was monitored continuously. Rats were then assigned to either RYGB, or one of two control (CTL) groups: sham surgery or a nonsurgical control group receiving the same prophylactic iron treatments as RYGB rats. Post-sur-gically, all rats consumed a large first meal of the cafeteria diet. After the first meal, RYGB rats reduced intake primarily by decreasing the meal sizes relative to CTL rats, ate meals more slowly, and displayed altered nycthemeral timing of intake yielding more daytime meals and fewer nighttime meals. Collectively, these meal patterns indicate that despite being motivated to consume a cafeteria diet after RYGB, rats rapidly learn to modify eating behaviors to consume foods more slowly across the entire day. RYGB rats also altered food preferences, but more slowly than the changes in meal patterns, and ate proportionally more energy from complex carbohydrates and protein and proportionally less fat. Overall, the pattern of results suggests that after RYGB rats quickly learn to adjust their size, eating rate, and distribution of meals without altering meal number and to shift their macronutrient intake away from fat; these changes appear to be more related to postingestive events than to a fundamental decline in the palatability of food choices.
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Affiliation(s)
- Ginger D. Blonde
- Department of Psychology and Program in Neuroscience, Florida State University, Tallahassee, FL 32306, USA;
| | - Ruth K. Price
- Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine BT52 1SA, UK;
| | - Carel W. le Roux
- Diabetes Complications Research Centre, Conway Institute, School of Medicine, University College Dublin, D04 V1W8 Dublin, Ireland;
| | - Alan C. Spector
- Department of Psychology and Program in Neuroscience, Florida State University, Tallahassee, FL 32306, USA;
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Ocaña-Wilhelmi L, Martín-Núñez GM, Ruiz-Limón P, Alcaide J, García-Fuentes E, Gutiérrez-Repiso C, Tinahones FJ, Moreno-Indias I. Gut Microbiota Metabolism of Bile Acids Could Contribute to the Bariatric Surgery Improvements in Extreme Obesity. Metabolites 2021; 11:metabo11110733. [PMID: 34822391 PMCID: PMC8620296 DOI: 10.3390/metabo11110733] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 10/19/2021] [Accepted: 10/20/2021] [Indexed: 01/03/2023] Open
Abstract
Bariatric surgery is the only procedure to obtain and maintain weight loss in the long term, although the mechanisms driving these benefits are not completely understood. In the last years, gut microbiota has emerged as one of the drivers through its metabolites, especially secondary bile acids. In the current study, we have compared the gut microbiota and the bile acid pool, as well as anthropometric and biochemical parameters, of patient with morbid obesity who underwent bariatric surgery by two different techniques, namely Roux-en-Y gastric bypass (RYGB) or sleeve gastrectomy (SG). Gut microbiota populations differed after the respective procedures, particularly with respect to the Enterobacteriaceae family. Both techniques resulted in changes in the bile acids pool, but RYGB was the procedure which suffered the greatest changes, with a reduction in most of their levels. Blautia and Veillonella were the two genera that more relationships showed with secondary bile acids, indicating a possible role in their formation and inhibition, respectively. Correlations with the anthropometric and biochemical variables showed that secondary bile acids could have a role in the amelioration of the glucose and HDL-cholesterol levels. Thus, we have observed a possible relationship between the interaction of the bile acids pool metabolized by the gut microbiota in the metabolic improvements obtained by bariatric surgery in the frame of morbid obesity, deserving further investigation in greater cohorts to decipher the role of each bile acid in the homeostasis of the host for their possible use in the development of microbiota-based therapeutics, such as new drugs, postbiotics or probiotics.
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Affiliation(s)
- Luis Ocaña-Wilhelmi
- Departamento de Especialidades Quirúrgicas, Bioquímica e Inmunología, Universidad de Málaga, 29010 Málaga, Spain;
- Unidad de Gestión Clínica de Cirugía General y del Aparato Digestivo, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
| | - Gracia María Martín-Núñez
- Department of Endocrinology and Nutrition, Virgen de la Victoria Hospital, Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga University, 29010 Málaga, Spain; (G.M.M.-N.); (P.R.-L.); (J.A.)
- Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), 29029 Madrid, Spain
| | - Patricia Ruiz-Limón
- Department of Endocrinology and Nutrition, Virgen de la Victoria Hospital, Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga University, 29010 Málaga, Spain; (G.M.M.-N.); (P.R.-L.); (J.A.)
- Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), 29029 Madrid, Spain
| | - Juan Alcaide
- Department of Endocrinology and Nutrition, Virgen de la Victoria Hospital, Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga University, 29010 Málaga, Spain; (G.M.M.-N.); (P.R.-L.); (J.A.)
- Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), 29029 Madrid, Spain
| | - Eduardo García-Fuentes
- Department of Gastroenterology, Virgen de la Victoria University Hospital, Institute of Biomedical Research in Málaga (IBIMA), Málaga University, 29010 Málaga, Spain;
- CIBER Enfermedades Hepáticas y Digestivas-CIBEREHD, Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Carolina Gutiérrez-Repiso
- Department of Endocrinology and Nutrition, Virgen de la Victoria Hospital, Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga University, 29010 Málaga, Spain; (G.M.M.-N.); (P.R.-L.); (J.A.)
- Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), 29029 Madrid, Spain
- Correspondence: (C.G.-R.); (F.J.T.); (I.M.-I.)
| | - Francisco J. Tinahones
- Department of Endocrinology and Nutrition, Virgen de la Victoria Hospital, Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga University, 29010 Málaga, Spain; (G.M.M.-N.); (P.R.-L.); (J.A.)
- Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), 29029 Madrid, Spain
- Correspondence: (C.G.-R.); (F.J.T.); (I.M.-I.)
| | - Isabel Moreno-Indias
- Department of Endocrinology and Nutrition, Virgen de la Victoria Hospital, Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga University, 29010 Málaga, Spain; (G.M.M.-N.); (P.R.-L.); (J.A.)
- Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), 29029 Madrid, Spain
- Correspondence: (C.G.-R.); (F.J.T.); (I.M.-I.)
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DE-Oliveira GJM, Schieferdecker MEM, Campos ACL. ARE ENTEROTYPES IN OBESE MODIFIED BY BARIATRIC SURGERY, THE USE OF PROBIOTIC SUPPLEMENTS AND FOOD HABITS? Arq Bras Cir Dig 2021; 34:e1601. [PMID: 34669890 PMCID: PMC8521827 DOI: 10.1590/0102-672020210002e1601] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 03/11/2021] [Indexed: 01/15/2023]
Abstract
INTRODUCTION Studies suggest that bariatric surgery, use of probiotic supplements and the dietary pattern can change enterotypes, as well as the entire microbial population. OBJECTIVE To verify the influence of bariatric surgery, the use of probiotic supplements and eating habits on enterotypes in obese patients. METHODS Articles published between the 2015 and 2020 were searched in Lilacs and PubMed with the headings: probiotics, eating behavior, food consumption, food, diet, microbiota, gastrointestinal microbiome, bariatric surgery, gastric bypass and the keyword enterotype in Portuguese, English and Spanish. RESULTS Of the 260 articles found, only studies carried out in obese adults relating changes in the enterotype after bariatric surgery or use of probiotics or dietary patterns and original articles were selected. In the end, eight papers on enterotype change and bariatric surgery were selected and categorized, four on the relationship between food consumption and microbiota and one on the effects of probiotics on enterotypes. CONCLUSION The microbial structure is widely modified after bariatric surgery, since the use of probiotic supplement does not bring lasting changes. Enterotypes appear to be shaped by long-term dietary patterns, can modulate how nutrients are metabolized and can be a useful biomarker to improve clinical management.
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Juárez-Fernández M, Román-Sagüillo S, Porras D, García-Mediavilla MV, Linares P, Ballesteros-Pomar MD, Urioste-Fondo A, Álvarez-Cuenllas B, González-Gallego J, Sánchez-Campos S, Jorquera F, Nistal E. Long-Term Effects of Bariatric Surgery on Gut Microbiota Composition and Faecal Metabolome Related to Obesity Remission. Nutrients 2021; 13:nu13082519. [PMID: 34444679 PMCID: PMC8397959 DOI: 10.3390/nu13082519] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/16/2021] [Accepted: 07/19/2021] [Indexed: 12/17/2022] Open
Abstract
Obesity is one of the main worldwide public health concerns whose clinical management demands new therapeutic approaches. Bariatric surgery is the most efficient treatment when other therapies have previously failed. Due to the role of gut microbiota in obesity development, the knowledge of the link between bariatric surgery and gut microbiota could elucidate new mechanistic approaches. This study aims to evaluate the long-term effects of bariatric surgery in the faecal metagenome and metabolome of patients with severe obesity. Faecal and blood samples were collected before and four years after the intervention from patients with severe obesity. Biochemical, metagenomic and metabolomic analyses were performed and faecal short-chain fatty acids were measured. Bariatric surgery improved the obesity-related status of patients and significantly reshaped gut microbiota composition. Moreover, this procedure was associated with a specific metabolome profile characterized by a reduction in energetic and amino acid metabolism. Acetate, butyrate and propionate showed a significant reduction with bariatric surgery. Finally, correlation analysis suggested the existence of a long-term compositional and functional gut microbiota profile associated with the intervention. In conclusion, bariatric surgery triggered long-lasting effects on gut microbiota composition and faecal metabolome that could be associated with the remission of obesity.
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Affiliation(s)
- María Juárez-Fernández
- Instituto Universitario de Biomedicina (IBIOMED), Universidad de León, 24007 León, Spain; (M.J.-F.); (S.R.-S.); (D.P.); (M.V.G.-M.); (J.G.-G.); (S.S.-C.); (F.J.)
| | - Sara Román-Sagüillo
- Instituto Universitario de Biomedicina (IBIOMED), Universidad de León, 24007 León, Spain; (M.J.-F.); (S.R.-S.); (D.P.); (M.V.G.-M.); (J.G.-G.); (S.S.-C.); (F.J.)
| | - David Porras
- Instituto Universitario de Biomedicina (IBIOMED), Universidad de León, 24007 León, Spain; (M.J.-F.); (S.R.-S.); (D.P.); (M.V.G.-M.); (J.G.-G.); (S.S.-C.); (F.J.)
| | - María Victoria García-Mediavilla
- Instituto Universitario de Biomedicina (IBIOMED), Universidad de León, 24007 León, Spain; (M.J.-F.); (S.R.-S.); (D.P.); (M.V.G.-M.); (J.G.-G.); (S.S.-C.); (F.J.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Pedro Linares
- Servicio de Aparato Digestivo, Complejo Asistencial Universitario de León, 24071 León, Spain; (P.L.); (B.Á.-C.)
| | - María Dolores Ballesteros-Pomar
- Departamento de Endocrinología y Nutrición, Complejo Asistencial Universitario de León, 24071 León, Spain; (M.D.B.-P.); (A.U.-F.)
| | - Ana Urioste-Fondo
- Departamento de Endocrinología y Nutrición, Complejo Asistencial Universitario de León, 24071 León, Spain; (M.D.B.-P.); (A.U.-F.)
| | - Begoña Álvarez-Cuenllas
- Servicio de Aparato Digestivo, Complejo Asistencial Universitario de León, 24071 León, Spain; (P.L.); (B.Á.-C.)
| | - Javier González-Gallego
- Instituto Universitario de Biomedicina (IBIOMED), Universidad de León, 24007 León, Spain; (M.J.-F.); (S.R.-S.); (D.P.); (M.V.G.-M.); (J.G.-G.); (S.S.-C.); (F.J.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Sonia Sánchez-Campos
- Instituto Universitario de Biomedicina (IBIOMED), Universidad de León, 24007 León, Spain; (M.J.-F.); (S.R.-S.); (D.P.); (M.V.G.-M.); (J.G.-G.); (S.S.-C.); (F.J.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Francisco Jorquera
- Instituto Universitario de Biomedicina (IBIOMED), Universidad de León, 24007 León, Spain; (M.J.-F.); (S.R.-S.); (D.P.); (M.V.G.-M.); (J.G.-G.); (S.S.-C.); (F.J.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Servicio de Aparato Digestivo, Complejo Asistencial Universitario de León, 24071 León, Spain; (P.L.); (B.Á.-C.)
| | - Esther Nistal
- Instituto Universitario de Biomedicina (IBIOMED), Universidad de León, 24007 León, Spain; (M.J.-F.); (S.R.-S.); (D.P.); (M.V.G.-M.); (J.G.-G.); (S.S.-C.); (F.J.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Correspondence: ; Tel.: +34-9-8729-1997
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Ben Izhak M, Eshel A, Cohen R, Madar-Shapiro L, Meiri H, Wachtel C, Leung C, Messick E, Jongkam N, Mavor E, Sapozhnikov S, Maharshak N, Abu-Abeid S, Alis A, Mahler I, Meoded A, Meron Eldar S, Koren O, Louzoun Y. Projection of Gut Microbiome Pre- and Post-Bariatric Surgery To Predict Surgery Outcome. mSystems 2021; 6:e0136720. [PMID: 34100636 DOI: 10.1128/mSystems.01367-20] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Bariatric surgery is often the preferred method to resolve obesity and diabetes, with ∼800,000 cases worldwide yearly and high outcome variability. The ability to predict the long-term body mass index (BMI) change following surgery has important implications for individuals and the health care system in general. Given the tight connection between eating habits, sugar consumption, BMI, and the gut microbiome, we tested whether the microbiome before any treatment is associated with different treatment outcomes, as well as other intakes (high-density lipoproteins [HDL], triglycerides, etc.). A projection of the gut microbiome composition of obese (sampled before and after bariatric surgery) and lean patients into principal components was performed, and the relation between this projection and surgery outcome was studied. The projection revealed three different microbiome profiles belonging to lean, obese, and obese individuals who underwent bariatric surgery, with the postsurgery microbiome more different from the lean microbiome than the obese microbiome. The same projection allowed for a prediction of BMI loss following bariatric surgery, using only the presurgery microbiome. The microbial changes following surgery were an increase in the relative abundance of Proteobacteria and Fusobacteria and a decrease in Firmicutes. The gut microbiome can be decomposed into main components depicting the patient's development and predicting in advance the outcome. Those may be translated into the better clinical management of obese individuals planning to undergo metabolic surgery. IMPORTANCE BMI and diabetes can affect the gut microbiome composition. Bariatric surgery has large variabilities in the outcome. The microbiome was previously shown to be a good predictor for multiple diseases. We analyzed here the gut microbiome before and after bariatric surgery and showed the following. (i) The microbiome before surgery can be used to predict surgery outcomes. (ii) The postsurgery microbiome drifts further away from the lean microbiome than the microbiome of the presurgery obese patients. These results can lead to a microbiome-based presurgery decision whether to perform surgery.
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Guo L, Yang K, Zhou P, Yong W. Gut microbiota in obesity and nonalcoholic fatty liver disease. Surgery in Practice and Science 2021. [DOI: 10.1016/j.sipas.2021.100030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Kim YJ, Womble JT, Gunsch CK, Ingram JL. The Gut/Lung Microbiome Axis in Obesity, Asthma, and Bariatric Surgery: A Literature Review. Obesity (Silver Spring) 2021; 29:636-644. [PMID: 33759390 PMCID: PMC7995617 DOI: 10.1002/oby.23107] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 10/29/2020] [Accepted: 11/30/2020] [Indexed: 12/18/2022]
Abstract
Mounting evidence suggests that obesity, parameters of metabolic syndrome, and asthma are significantly associated. Interestingly, these conditions are also associated with microbiome dysbiosis, notably in the airway microbiome for patients with asthma and in the gut microbiome for patients with obesity and/or metabolic syndrome. Considering that improvements in asthma control, lung function, and airway hyperresponsiveness are often reported after bariatric surgery, this review investigated the potential role of bacterial gut and airway microbiome changes after bariatric surgery in ameliorating asthma symptoms. Rapid and persistent gut microbiota alterations were reported following surgery, some of which can be sustained for years. The gut microbiome is thought to modulate airway cellular responses via short-chain fatty acids and inflammatory mediators, such that increased propionate and butyrate levels following surgery may aid in reducing asthma symptoms. In addition, increased prevalence of Akkermansia muciniphila after Roux-en-Y gastric bypass and sleeve gastrectomy may confer protection against airway hyperreactivity and inflammation. Metabolic syndrome parameters also improved following bariatric surgery, and whether weight-loss-independent metabolic changes affect airway processes and asthma pathobiology merits further research. Fulfilling knowledge gaps outlined in this review could facilitate the development of new therapeutic options for patients with obesity and asthma.
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Affiliation(s)
- Yeon Ji Kim
- Department of Civil and Environmental Engineering, Pratt School of Engineering, Duke University, Durham, North Carolina
| | - Jack T. Womble
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, Duke University Medical Center, Durham, North Carolina
| | - Claudia K. Gunsch
- Department of Civil and Environmental Engineering, Pratt School of Engineering, Duke University, Durham, North Carolina
| | - Jennifer L. Ingram
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, Duke University Medical Center, Durham, North Carolina
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Kindel TL. Comment on: Relationship between bariatric surgery outcomes and the preoperative gastrointestinal microbiota: a cohort study. Surg Obes Relat Dis 2021; 17:899-900. [PMID: 33753009 DOI: 10.1016/j.soard.2021.02.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 02/14/2021] [Indexed: 11/24/2022]
Affiliation(s)
- Tammy L Kindel
- Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin
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Gutiérrez-Repiso C, Molina-Vega M, Bernal-López MR, Garrido-Sánchez L, García-Almeida JM, Sajoux I, Moreno-Indias I, Tinahones FJ. Different Weight Loss Intervention Approaches Reveal a Lack of a Common Pattern of Gut Microbiota Changes. J Pers Med 2021; 11:jpm11020109. [PMID: 33567649 PMCID: PMC7915884 DOI: 10.3390/jpm11020109] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 02/04/2021] [Accepted: 02/04/2021] [Indexed: 02/07/2023] Open
Abstract
Options for treatment of obesity include dietary approaches and bariatric surgery. Previous studies have shown that weight loss interventions have an impact on gut microbiota. However, a pattern of gut microbiota changes associated with weight loss independently of the type of intervention has not been described yet. This study includes 61 individuals who followed different weight loss strategies in three different trials: 21 followed a hypocaloric Mediterranean diet (MedDiet), 18 followed a very-low-calorie ketogenic diet (VLCKD) and 22 patients underwent sleeve gastrectomy bariatric surgery (BS). Gut microbiota profile was assessed by next-generation sequencing. A common taxon that had significantly changed within the three weight loss interventions could not be find. At the family level, Clostiridiaceae significantly increased its abundance with MedDiet and VLCKD, whilst Porphyromonadacean and Rikenellaceae significantly increased with VLCKD and BS. At genus level, in VLCKD and BS, Parabacteroides and Alistipes significantly increased their abundance whilst Lactobacillus decreased. At the species level, BS and VLCKD produced an increase in Parabacteroidesdistasonis and a decrease in Eubactieriumventriosum and Lactobacillusrogosae, whilst Orodibactersplanchnicus increased its abundance after the BS and MedDiet. Predicted metagenome analysis suggested that most of the changes after VLCKD were focused on pathways related to biosynthesis and degradation/utilization/assimilation, while BS seems to decrease most of the biosynthesis pathways. MedDiet was enriched in several pathways related to fermentation to short-chain fatty acids. Our results show that weight loss is not associated with a specific pattern of gut microbiota changes independently of the strategy used. Indeed, gut microbiota changes according to type of weight loss intervention.
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Affiliation(s)
- Carolina Gutiérrez-Repiso
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), 29010 Málaga, Spain; (C.G.-R.); (M.M.-V.); (L.G.-S.); (J.M.G.-A.); (F.J.T.)
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBERobn), Instituto de Salud Carlos III, 28029 Madrid, Spain;
| | - María Molina-Vega
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), 29010 Málaga, Spain; (C.G.-R.); (M.M.-V.); (L.G.-S.); (J.M.G.-A.); (F.J.T.)
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBERobn), Instituto de Salud Carlos III, 28029 Madrid, Spain;
| | - M. Rosa Bernal-López
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBERobn), Instituto de Salud Carlos III, 28029 Madrid, Spain;
- Departamento de Medicina Interna del Hospital Regional Universitario de Málaga, Instituto de Investigación Biomédica de Málaga (IBIMA), 29009 Málaga, Spain
| | - Lourdes Garrido-Sánchez
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), 29010 Málaga, Spain; (C.G.-R.); (M.M.-V.); (L.G.-S.); (J.M.G.-A.); (F.J.T.)
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBERobn), Instituto de Salud Carlos III, 28029 Madrid, Spain;
| | - José M. García-Almeida
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), 29010 Málaga, Spain; (C.G.-R.); (M.M.-V.); (L.G.-S.); (J.M.G.-A.); (F.J.T.)
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBERobn), Instituto de Salud Carlos III, 28029 Madrid, Spain;
| | - Ignacio Sajoux
- Pronokal Group, Medical Department Pronokal, 08009 Barcelona, Spain;
| | - Isabel Moreno-Indias
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), 29010 Málaga, Spain; (C.G.-R.); (M.M.-V.); (L.G.-S.); (J.M.G.-A.); (F.J.T.)
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBERobn), Instituto de Salud Carlos III, 28029 Madrid, Spain;
- Correspondence: ; Tel.: +34-95-103-2647 (ext. 48); Fax: +34-95-1924651
| | - Francisco J. Tinahones
- Unidad de Gestión Clínica de Endocrinología y Nutrición del Hospital Virgen de la Victoria, Instituto de Investigación Biomédica de Málaga (IBIMA), 29010 Málaga, Spain; (C.G.-R.); (M.M.-V.); (L.G.-S.); (J.M.G.-A.); (F.J.T.)
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBERobn), Instituto de Salud Carlos III, 28029 Madrid, Spain;
- Departamento de Medicina y Dermatología, Universidad de Málaga, 29010 Málaga, Spain
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Smith KR, Papantoni A, Veldhuizen MG, Kamath V, Harris C, Moran TH, Carnell S, Steele KE. Taste-related reward is associated with weight loss following bariatric surgery. J Clin Invest 2021; 130:4370-4381. [PMID: 32427584 DOI: 10.1172/jci137772] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 05/13/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUNDBariatric surgeries are the most effective treatments for successful and sustained weight loss, but individuals vary in treatment response. Understanding the neurobiological and behavioral mechanisms accounting for this variation could lead to the development of personalized therapeutic approaches and improve treatment outcomes. The primary objectives of this study were to investigate changes in taste preferences and taste-induced brain responses after Roux-en-Y gastric bypass (RYGB) and vertical sleeve gastrectomy (VSG) and to identify potential taste-related predictors of weight loss.METHODSFemales, ages 18 to 55, with a body mass index greater than or equal to 35 kg/m2, and approved for bariatric surgery at the Johns Hopkins Center for Bariatric Surgery were recruited for participation. Demographics, anthropometrics, liking ratings, and neural responses to varying concentrations of sucrose plus fat mixtures were assessed before and after surgery via visual analog scales and functional MRI.RESULTSBariatric surgery produced decreases in liking for sucrose-sweetened mixtures. Greater preference for sucrose-sweetened mixtures before surgery was associated with greater weight loss in RYGB, but not VSG. In the RYGB group only, individuals who showed lower taste-induced activation in the ventral tegmental area (VTA) before surgery and greater changes in taste-induced VTA activation 2 weeks following surgery experienced increased weight loss.CONCLUSIONThe anatomical and/or metabolic changes associated with RYGB may more effectively "reset" the neural processing of reward stimuli, thereby rescuing the blunted activation in the mesolimbic pathway found in patients with obesity. Further, these findings suggest that RYGB may be particularly effective in patients with a preference for sweet foods.FUNDINGNIH K23DK100559 and Dalio Philanthropies.
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Affiliation(s)
| | - Afroditi Papantoni
- Division of Child and Adolescent Psychiatry, Department of Psychiatry & Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Maria G Veldhuizen
- Anatomy Department, Mersin University School of Medicine, Mersin, Turkey
| | - Vidyulata Kamath
- Division of Medical Psychology, Department of Psychiatry & Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Civonnia Harris
- Department of Surgery, Johns Hopkins Center for Bariatric Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | | | - Susan Carnell
- Division of Child and Adolescent Psychiatry, Department of Psychiatry & Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Kimberley E Steele
- Department of Surgery, Johns Hopkins Center for Bariatric Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
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Ahn CH, Choi EH, Lee H, Lee W, Kim JI, Cho YM. Vertical sleeve gastrectomy induces distinctive transcriptomic responses in liver, fat and muscle. Sci Rep 2021; 11:2310. [PMID: 33504853 DOI: 10.1038/s41598-021-81866-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 01/12/2021] [Indexed: 12/13/2022] Open
Abstract
Vertical sleeve gastrectomy (VSG) is the most commonly performed bariatric/metabolic surgery, exhibiting a high rate of diabetes remission in humans. To elucidate the molecular mechanisms of VSG, we performed transcriptomic analysis of the liver, fat, and muscle in VSG mice. C57BL/6 mice fed a high-fat diet were randomly assigned to sham or VSG surgery. The sham-operated mice were fed ad libitum (sham group) or pair-fed (sham-PF group) matching their food intake to the VSG-operated mice. Comparative transcriptomic analysis of the liver, fat, and muscle using RNA sequencing was performed. VSG reduced body weight and improved glucose tolerance compared to the sham group, but not more than the sham-PF group. Improvement in fatty liver and adipose tissue inflammation was comparable between VSG and sham-PF. However, global gene expression profiles showed distinctive changes in the liver, fat, and muscle of the VSG group compared to both the sham or sham-PF groups. The liver showed the most prominent gene expression changes. Immune response-related pathways were commonly upregulated in the three organs of the VSG group compared to the sham or sham-PF. VSG induces organ-specific gene expression changes in the liver, fat, and muscle, which may play critical roles in metabolic improvements after VSG.
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Abstract
BACKGROUND Bile acid is an essential factor that plays a role in metabolic regulation, but how bile acid is regulated after Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG) remains unclear. This meta-analysis aimed to investigate changes in the levels of fasting bile acids following RYGB and SG. METHODS A systematic literature search of the PubMed, EMBASE, Cochrane Library and Web of Science databases through July 2020 was performed in accordance with the Meta-analysis Of Observational Studies in Epidemiology (MOOSE) guidelines and Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. The concentrations of bile acids were evaluated. RESULTS Thirteen studies with 289 patients were included. Our results showed that patients who underwent RYGB had increased levels of fasting total bile acids, primary bile acids, secondary bile acids, conjugated bile acids, and unconjugated bile acids, but no significant differences in all these bile acid levels were observed in patients who underwent SG. Furthermore, 12a-hydroxylated bile acid levels and the 12a-hydroxylated/non-12a-hydroxylated bile acid ratio also increased following RYGB. CONCLUSION In this study, we found that fasting bile acid levels, especially 12a-hydroxylated bile acids levels, were increased after RYGB. However, no differences in fasting bile acid levels were observed following SG.
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Affiliation(s)
- Chunlan Zhang
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Metabolic Syndrome Research Center, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
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Fouladi F, Carroll IM, Sharpton TJ, Bulik-Sullivan E, Heinberg L, Steffen KJ, Fodor AA. A microbial signature following bariatric surgery is robustly consistent across multiple cohorts. Gut Microbes 2021; 13:1930872. [PMID: 34159880 PMCID: PMC8224199 DOI: 10.1080/19490976.2021.1930872] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 04/28/2021] [Accepted: 05/05/2021] [Indexed: 02/07/2023] Open
Abstract
Bariatric surgery induces significant shifts in the gut microbiota which could potentially contribute to weight loss and metabolic benefits. The aim of this study was to characterize a microbial signature following Roux-en-Y Gastric bypass (RYGB) surgery using novel and existing gut microbiota sequence data. We generated 16S rRNA gene and metagenomic sequences from fecal samples from patients undergoing RYGB surgery (n = 61 for 16S rRNA gene and n = 135 for metagenomics) at pre-surgical baseline and one, six, and twelve-month post-surgery. We compared these data with three smaller publicly available 16S rRNA gene and one metagenomic datasets from patients who also underwent RYGB surgery. Linear mixed models and machine learning approaches were used to examine the presence of a common microbial signature across studies. Comparison of our new sequences with previous longitudinal studies revealed strikingly similar profiles in both fecal microbiota composition (r = 0.41 ± 0.10; p < .05) and metabolic pathways (r = 0.70 ± 0.05; p < .001) early after surgery across multiple datasets. Notably, Veillonella, Streptococcus, Gemella, Fusobacterium, Escherichia/Shigella, and Akkermansia increased after surgery, while Blautia decreased. Machine learning approaches revealed that the replicable gut microbiota signature associated with RYGB surgery could be used to discriminate pre- and post-surgical samples. Opportunistic pathogen abundance also increased post-surgery in a consistent manner across cohorts. Our study reveals a robust microbial signature involving many commensal and pathogenic taxa and metabolic pathways early after RYGB surgery across different studies and sites. Characterization of the effects of this robust microbial signature on outcomes of bariatric surgery could provide insights into the development of microbiome-based interventions for predicting or improving outcomes following surgery.
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Affiliation(s)
- Farnaz Fouladi
- Department of Bioinformatics and Genomics, University of North Carolina at Charlotte, Charlotte, USA
| | - Ian M. Carroll
- Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, USA
- Center for Gastrointestinal Biology and Disease, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, USA
| | - Thomas J. Sharpton
- Department of Microbiology, Department of Statistics, Center for Genome Research and Biocomputing, Oregon State University, Corvallis, USA
| | - Emily Bulik-Sullivan
- Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, USA
| | - Leslie Heinberg
- Department of Psychiatry and Psychology, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, USA
| | - Kristine J. Steffen
- School of Pharmacy, College of Health Professions, North Dakota State University, Fargo, USA
- Director of Biomedical Research, Center for Biobehavioral Research/Sanford Research, Fargo, USA
| | - Anthony A. Fodor
- Department of Bioinformatics and Genomics, University of North Carolina at Charlotte, Charlotte, USA
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Koffert J, Lahti L, Nylund L, Salminen S, Hannukainen JC, Salminen P, de Vos WM, Nuutila P. Partial restoration of normal intestinal microbiota in morbidly obese women six months after bariatric surgery. PeerJ 2020; 8:e10442. [PMID: 33304658 PMCID: PMC7700738 DOI: 10.7717/peerj.10442] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 11/06/2020] [Indexed: 12/18/2022] Open
Abstract
We studied the impact of bariatric surgery on the intestinal microbiota of morbidly obese study subjects. A total of 13 morbidly obese women (five of which had type 2 diabetes) and 14 healthy age- and gender-matched controls were recruited and the microbiota composition of fecal samples were determined by using a phylogenetic microarray. Sampling of the patients took place just one month before and 6 months after the operation. Within six months after bariatric surgery, the obese subjects had lost on average a quarter of their weight whereas four of the five of the diabetic subjects were in remission. Bariatric surgery was associated with an increased microbial community richness and Bacteroidetes/Firmicutes ratio. In addition, we observed an increased relative abundance of facultative anaerobes, such as Streptococcus spp., and a reduction in specific butyrate-producing Firmicutes. The observed postoperative alterations in intestinal microbiota reflect adaptation to the changing conditions in the gastrointestinal tract, such as energy restriction and the inability to process fiber-rich foods after bariatric surgery.
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Affiliation(s)
- Jukka Koffert
- Department of Gastroenterology, Turku University Hospital, Turku, Finland.,Turku PET Centre, University of Turku, Turku, Finland
| | - Leo Lahti
- Department of Mathematics and Statistics, University of Turku, Turku, Finland
| | - Lotta Nylund
- Functional Foods Forum, University of Turku, Turku, Finland.,Food Chemistry and Food Development, Department of Biochemistry, University of Turku, Turku, Finland
| | - Seppo Salminen
- Functional Foods Forum, University of Turku, Turku, Finland
| | | | - Paulina Salminen
- Division of Digestive Surgery and Urology, Turku University Hospital, Turku, Finland
| | - Willem M de Vos
- RPU Immunobiology and Human Microbiome, University of Helsinki, Helsinki, Finland.,Laboratory of Microbiology, Wageningen University and Research, Wageningen, The Netherlands
| | - Pirjo Nuutila
- Turku PET Centre, University of Turku, Turku, Finland.,Department of Endocrinology, Turku University hospital, Turku, Finland
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Nalluri H, Kizy S, Ewing K, Luthra G, Leslie DB, Bernlohr DA, Sadowsky MJ, Ikramuddin S, Khoruts A, Staley C, Jahansouz C. Peri-operative antibiotics acutely and significantly impact intestinal microbiota following bariatric surgery. Sci Rep 2020; 10:20340. [PMID: 33230230 DOI: 10.1038/s41598-020-77285-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 11/09/2020] [Indexed: 02/07/2023] Open
Abstract
Bariatric surgery is the most effective treatment for weight loss. Vertical sleeve gastrectomy (VSG) involves the resection of ~ 80% of the stomach and was conceived to purely restrict oral intake. However, evidence suggests more complex mechanisms, particularly postoperative changes in gut microbiota, in facilitating weight loss and resolving associated comorbidities. VSG in humans is a complex procedure and includes peri-operative antibiotics and caloric restriction in addition to the altered anatomy. The impact of each of these factors on the intestinal microbiota have not been evaluated. The aim of this study was to determine the relative contributions of each of these factors on intestinal microbiota composition following VSG prior to substantial weight loss. Thirty-two obese patients underwent one of three treatments: (1) VSG plus routine intravenous peri-operative antibiotics (n = 12), (2) VSG with intravenous vancomycin chosen for its low intestinal penetrance (n = 12), and (3) caloric restriction (n = 8). Fecal samples were evaluated for bacterial composition prior to and 7 days following each intervention. Only patients undergoing VSG with routine peri-operative antibiotics showed a significant shift in community composition. Our data support the single dose of routine peri-operative antibiotics as the most influential factor of intestinal microbial composition acutely following VSG.
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Oduro-Donkor D, Turner MC, Farnaud S, Renshaw D, Kyrou I, Hanson P, Hattersley J, Weickert MO, Menon V, Randeva HS, Barber TM. Modification of fecal microbiota as a mediator of effective weight loss and metabolic benefits following bariatric surgery. Expert Rev Endocrinol Metab 2020; 15:363-373. [PMID: 32840125 DOI: 10.1080/17446651.2020.1801412] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 07/22/2020] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Bariatric surgery (primarily Laparoscopic Sleeve Gastrectomy [LSG] and Roux-en-Y Gastric Bypass [RYGB]) is an efficacious and durable therapeutic option for weight loss in obesity. The mechanisms that mediate weight loss following bariatric surgery remain incompletely understood. AREAS COVERED Pubmed search of published data on fecal microbiota, metabolic health, LSG, and RYGB. The fecal microbiome plays a key role in the establishment and maintenance of metabolic wellbeing, and may also contribute (through fecal dysbiosis) to metabolic dysfunction. LSG and RYGB both result in characteristic, procedure-specific changes to the fecal microbiota that may mediate at least some of the resultant weight-loss and metabolically beneficial effects, when applied to the management of obesity. EXPERT OPINION The human fecal microbiome, containing around 100 trillion microbes, evolved over millions of years and interacts symbiotically with its human host. Rodent-based studies have provided insights into the complexities of the gut-microbiome-brain axis. This includes the important role of the gut microbiome in the mediation of normal immunological development, inflammatory pathways, metabolic functioning, hypothalamic appetite regulation, and the absorption of essential nutrients as by-products of bacterial metabolism. Fecal transformation is likely to provide an important therapeutic target for future prevention and management of obesity and metabolic dysfunction.
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Affiliation(s)
- Dominic Oduro-Donkor
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick , Coventry, UK
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism, University Hospitals Coventry and Warwickshire , Coventry, UK
| | - Mark C Turner
- Centre for Sport, Exercise and Life Sciences, Faculty of Health & Life Sciences, Coventry University , Coventry, UK
| | - Sebastien Farnaud
- Centre for Sport, Exercise and Life Sciences, Faculty of Health & Life Sciences, Coventry University , Coventry, UK
| | - Derek Renshaw
- Centre for Sport, Exercise and Life Sciences, Faculty of Health & Life Sciences, Coventry University , Coventry, UK
| | - Ioannis Kyrou
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick , Coventry, UK
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism, University Hospitals Coventry and Warwickshire , Coventry, UK
- Aston Medical Research Institute, Aston Medical School, Aston University , Birmingham, UK
| | - Petra Hanson
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick , Coventry, UK
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism, University Hospitals Coventry and Warwickshire , Coventry, UK
- NIHR CRF Human Metabolism Research Unit, University Hospitals Coventry and Warwickshire , Coventry, UK
| | - John Hattersley
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism, University Hospitals Coventry and Warwickshire , Coventry, UK
- NIHR CRF Human Metabolism Research Unit, University Hospitals Coventry and Warwickshire , Coventry, UK
| | - Martin O Weickert
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick , Coventry, UK
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism, University Hospitals Coventry and Warwickshire , Coventry, UK
- Centre for Sport, Exercise and Life Sciences, Faculty of Health & Life Sciences, Coventry University , Coventry, UK
- NIHR CRF Human Metabolism Research Unit, University Hospitals Coventry and Warwickshire , Coventry, UK
| | - Vinod Menon
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick , Coventry, UK
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism, University Hospitals Coventry and Warwickshire , Coventry, UK
| | - Harpal S Randeva
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick , Coventry, UK
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism, University Hospitals Coventry and Warwickshire , Coventry, UK
- Aston Medical Research Institute, Aston Medical School, Aston University , Birmingham, UK
- NIHR CRF Human Metabolism Research Unit, University Hospitals Coventry and Warwickshire , Coventry, UK
| | - Thomas M Barber
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick , Coventry, UK
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism, University Hospitals Coventry and Warwickshire , Coventry, UK
- NIHR CRF Human Metabolism Research Unit, University Hospitals Coventry and Warwickshire , Coventry, UK
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Li FT, Yang D, Song FY, Liu M, Dai YL, Zheng F, Yue H. In Vitro Effects of Ginseng and the Seed of Zizyphus jujuba var. spinosa on Gut Microbiota of Rats with Spleen Deficiency. Chem Biodivers 2020; 17:e2000199. [PMID: 32578291 DOI: 10.1002/cbdv.202000199] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 06/22/2020] [Indexed: 01/03/2023]
Abstract
Ginseng and the seed of Zizyphus jujuba var. spinosa, which are traditional Chinese medicinal materials, were often used in ancient Chinese recipes as a pair of medicines. They can replenish the primordial qi and tonify the spleen. This study investigated the effects of ginseng and the seed of Zizyphus jujuba var. spinosa (GS) extract on gut microbiota diversity in rats with spleen deficiency syndrome (SDS). A total of 52 compounds (including 16 flavonoids, 35 saponins, and 1 alkaloid) were identified and analyzed from the GS extract by UPLC-Q-Orbitrap-MS/MS. The GS extract significantly increased the relative abundance of Firmicutes and Bacteroidetes in rats with SDS but decreased that of Proteobacteria and Actinobacteria. At the genus level, the GS extract significantly increased the relative abundance of Lactobacillus and Bifidobacterium in rats with SDS but decreased that of Streptococcus, Escherichia-Shigella, Veillonella, and Enterococcus. In addition, the GS extract influenced glucose and amino acid metabolism. In summary, the results showed that the GS extract changed the structure and diversity of gut microbiota in rats with SDS and balanced the metabolic process.
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Affiliation(s)
- Fang-Tong Li
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China
| | - Di Yang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China
| | - Feng-Yuan Song
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China
| | - Ming Liu
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China
| | - Yu-Lin Dai
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China
| | - Fei Zheng
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China
| | - Hao Yue
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China
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Morales-Marroquin E, Hanson B, Greathouse L, de la Cruz-Munoz N, Messiah SE. Comparison of methodological approaches to human gut microbiota changes in response to metabolic and bariatric surgery: A systematic review. Obes Rev 2020; 21:e13025. [PMID: 32249534 DOI: 10.1111/obr.13025] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 03/11/2020] [Accepted: 03/12/2020] [Indexed: 02/07/2023]
Abstract
Substantial differences in the response of gut microbial composition to metabolic and bariatric surgery have been reported. Therefore, the goal of the present review is to evaluate if methodological differences could be driving this lack of consistency. A search was conducted using PUBMED, Web of Science, Science Direct and COCHRANE using the following inclusion criteria: human studies written in English with a baseline sampling point, using gut microbiota as an outcome and either Roux-n-Y gastric bypass or sleeve gastrectomy. Sixteen articles were selected (total 221 participants). Roux-n-Y gastric bypass caused more alterations in gut microbial composition in comparison with sleeve gastrectomy. Substantial variability was found in study designs, data collection and analyses across studies. Increases in several families and genera from the phylum Proteobacteria and Bacteroidetes, the family Streptococcaceae, the species Akkermansia muciniphila and Streptococcus salivarius and a decrease in the phylum Firmicutes and the family Bifidobacteriaceae were reported. There is a need for standardization not only of microbial analysis but also of study designs when analysing the effect of bariatric surgery on the human gut microbiome. In addition, outcomes from different surgical procedures should not be combined as they produce distinctive effects on gut microbial composition.
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Affiliation(s)
- Elisa Morales-Marroquin
- School of Public Health, Department of Epidemiology, Human Genetics and Environmental Sciences, University of Texas Health Science Center, Texas, USA
| | - Blake Hanson
- School of Public Health, Department of Epidemiology, Human Genetics and Environmental Sciences, University of Texas Health Science Center, Texas, USA
| | - Leigh Greathouse
- Robbins College of Health and Human Services, Baylor University Waco, Texas, USA
| | | | - Sarah E Messiah
- School of Public Health, Department of Epidemiology, Human Genetics and Environmental Sciences, University of Texas Health Science Center, Texas, USA
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Pérez-Matute P, Íñiguez M, de Toro M, Recio-Fernández E, Oteo JA. Autologous fecal transplantation from a lean state potentiates caloric restriction effects on body weight and adiposity in obese mice. Sci Rep 2020; 10:9388. [PMID: 32523094 DOI: 10.1038/s41598-020-64961-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 04/27/2020] [Indexed: 02/06/2023] Open
Abstract
Autologous fecal transplantation (FT-A) emerges as a promising strategy to modulate gut microbiota with minimal side effects since individual´s own feces are transplanted. With the premise of improving obesity and its associated disorders, we investigated if fecal microbiota transplantation (FMT), heterologous and autologous, potentiates the effects of a moderate caloric restriction (CR) in high-fat diet (HFD)-induced obese mice. Mice were randomized into control, HFD, CR (12 weeks on HFD and 6 weeks under CR), FT-H (similar to CR and FMT carried out with feces from controls, weeks 17 & 18), and FT-A (administration of their own feces before developing obesity at weeks 17 & 18). Our study demonstrated that FMT, and, especially, FT-A potentiates the effects of a moderate CR on weight loss and adiposity in the short term, by decreasing feed efficiency and increasing adipose tissue lipolysis. Although FT-A produced a significant increase in bacterial richness/diversity, FMT did not significantly modify gut microbiota composition compared to the CR at phyla and bacteria genera levels, and only significant increases in Bifidobacterium and Blautia genera were observed. These results could suggest that other mechanisms different from bacterial microbiota engraftment participates in these beneficial effects. Thus, FT-A represents a very positive synergetic approach for obese patients that do not respond well to moderate restrictive diets.
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Crommen S, Mattes A, Simon MC. Microbial Adaptation Due to Gastric Bypass Surgery: The Nutritional Impact. Nutrients 2020; 12:E1199. [PMID: 32344612 DOI: 10.3390/nu12041199] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 04/20/2020] [Accepted: 04/22/2020] [Indexed: 12/12/2022] Open
Abstract
Bariatric surgery leads to sustained weight loss and the resolution of obesity-related comorbidities. Recent studies have suggested that changes in gut microbiota are associated with the weight loss induced by bariatric surgery. Several studies have observed major changes in the microbial composition following gastric bypass surgery. However, there are inconsistencies between the reported alterations in microbial compositions in different studies. Furthermore, it is well established that diet is an important factor shaping the composition and function of intestinal microbiota. However, most studies on gastric bypass have not assessed the impact of dietary intake on the microbiome composition in general, let alone the impact of restrictive diets prior to bariatric surgery, which are recommended for reducing liver fat content and size. Thus, the relative impact of bariatric surgery on weight loss and gut microbiota remains unclear. Therefore, this review aims to provide a deeper understanding of the current knowledge of the changes in intestinal microbiota induced by bariatric surgery considering pre-surgical nutritional changes.
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