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Santonocito R, Paladino L, Vitale AM, D’Amico G, Zummo FP, Pirrotta P, Raccosta S, Manno M, Accomando S, D’Arpa F, Carini F, Barone R, Rappa F, Marino Gammazza A, Bucchieri F, Cappello F, Caruso Bavisotto C. Nanovesicular Mediation of the Gut-Brain Axis by Probiotics: Insights into Irritable Bowel Syndrome. BIOLOGY 2024; 13:296. [PMID: 38785778 PMCID: PMC11117693 DOI: 10.3390/biology13050296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 04/15/2024] [Accepted: 04/23/2024] [Indexed: 05/25/2024]
Abstract
BACKGROUND Dysbiosis, influenced by poor diet or stress, is associated with various systemic diseases. Probiotic supplements are recognized for stabilizing gut microbiota and alleviating gastrointestinal issues, like irritable bowel syndrome (IBS). This study focused on the tryptophan pathways, which are important for the regulation of serotonin levels, and on host physiology and behavior regulation. METHODS Nanovesicles were isolated from the plasma of subjects with chronic diarrhea, both before and after 60 days of consuming a probiotic mix (Acronelle®, Bromatech S.r.l., Milan, Italy). These nanovesicles were assessed for the presence of Tryptophan 2,3-dioxygenase 2 (TDO 2). Furthermore, the probiotics mix, in combination with H2O2, was used to treat HT29 cells to explore its cytoprotective and anti-stress effect. RESULTS In vivo, levels of TDO 2 in nanovesicles were enhanced in the blood after probiotic treatment, suggesting a role in the gut-brain axis. In the in vitro model, a typical H2O2-induced stress effect occurred, which the probiotics mix was able to recover, showing a cytoprotective effect. The probiotics mix treatment significantly reduced the heat shock protein 60 kDa levels and was able to preserve intestinal integrity and barrier function by restoring the expression and redistribution of tight junction proteins. Moreover, the probiotics mix increased the expression of TDO 2 and serotonin receptors. CONCLUSIONS This study provides evidence for the gut-brain axis mediation by nanovesicles, influencing central nervous system function.
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Affiliation(s)
- Radha Santonocito
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Letizia Paladino
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Alessandra Maria Vitale
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Giuseppa D’Amico
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Francesco Paolo Zummo
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Paolo Pirrotta
- Euro-Mediterranean Institute of Science and Technology (IEMEST), 90139 Palermo, Italy;
| | - Samuele Raccosta
- Cell-Tech Hub, Institute of Biophysics, National Research Council of Italy, 90146 Palermo, Italy; (S.R.); (M.M.)
| | - Mauro Manno
- Cell-Tech Hub, Institute of Biophysics, National Research Council of Italy, 90146 Palermo, Italy; (S.R.); (M.M.)
| | - Salvatore Accomando
- Department of Health Promotion, Mother and Childcare, Internal Medicine and Medical Specialities “G D‘Alessandro”, PROMISE, University of Palermo, 90127 Palermo, Italy;
| | - Francesco D’Arpa
- Department of Surgical, Oncological and Stomatological Disciplines, DICHIRONS, University of Palermo, 90127 Palermo, Italy;
| | - Francesco Carini
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Rosario Barone
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Francesca Rappa
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Antonella Marino Gammazza
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Fabio Bucchieri
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Francesco Cappello
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
- Euro-Mediterranean Institute of Science and Technology (IEMEST), 90139 Palermo, Italy;
| | - Celeste Caruso Bavisotto
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
- Euro-Mediterranean Institute of Science and Technology (IEMEST), 90139 Palermo, Italy;
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Teige ES, Sortvik U, Lied GA. A Systematic Review: Fecal Bacterial Profile in Patients with Irritable Bowel Syndrome Analyzed with the GA-Map Dysbiosis Test Based on the 16S rRNA Gene of Bacterial Species or Groups. Clin Exp Gastroenterol 2024; 17:109-120. [PMID: 38646157 PMCID: PMC11032674 DOI: 10.2147/ceg.s451675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 03/20/2024] [Indexed: 04/23/2024] Open
Abstract
Purpose The diagnosis of irritable bowel syndrome (IBS) is based on symptom-based criteria due to lack of reliable disease-specific biomarkers. Gut microbiota is perturbed in IBS and when comparing different methods used to analyze gut microbiota, the results might be obscured. Therefore, in this systematic review we aimed to investigate the profile of fecal bacterial markers and dysbiosis index (DI) in patients with IBS and IBS subgroups compared to healthy controls (HCs) conducted by the same method (GA-map Dysbiosis Test based on16S rRNA sequencing). Material and Method We searched PubMed, EMBASE (Ovid) and Cochrane Library for case-control studies comparing fecal gut microbiota analyzed with the GA-map® Dysbiosis Test (Oslo, Norway) in patients with IBS and HCs. Our outcomes were the difference in fecal bacterial markers and DI in patients with IBS and IBS subgroups compared to HCs. Results The search identified 28 citations; five articles were included. Most studies evaluated fecal bacterial markers and DI in patients with diarrhea-predominant IBS (IBS-D). Results of fecal bacteria profile in IBS and IBS subgroups compared to HCs are inconsistent, however, two studies showed increased levels of Ruminococcus gnavus in IBS-D compared to HCs and results of DI indicated IBS and IBS subgroups (especially IBS-D) having higher DI compared to HCs. Conclusion This systematic review revealed inconsistent findings in respect to differences in bacterial markers between IBS and IBS subgroups with HCs in studies using the GA-map Dysbiosis Test based on 16S rRNA sequencing. However, the test is quite novel, and few studies have used the method so far. More research comparing fecal microbiota profile differences in IBS and IBS subgroups compared to HCs utilizing the same method of analysis is needed to give us further insight into the gut bacteria profile in IBS and the clinical consequences of intestinal dysbiosis.
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Affiliation(s)
- Erica Sande Teige
- Centre for Nutrition, Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - Urd Sortvik
- Centre for Nutrition, Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - Gülen Arslan Lied
- Centre for Nutrition, Department of Clinical Medicine, University of Bergen, Bergen, Norway
- Section of Gastroenterology, Department of Medicine, Haukeland University Hospital, Bergen, Norway
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Argentini C, Lugli GA, Tarracchini C, Fontana F, Mancabelli L, Viappiani A, Anzalone R, Angelini L, Alessandri G, Bianchi MG, Taurino G, Bussolati O, Milani C, van Sinderen D, Turroni F, Ventura M. Ecology- and genome-based identification of the Bifidobacterium adolescentis prototype of the healthy human gut microbiota. Appl Environ Microbiol 2024; 90:e0201423. [PMID: 38294252 PMCID: PMC10880601 DOI: 10.1128/aem.02014-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 11/20/2023] [Indexed: 02/01/2024] Open
Abstract
Bifidobacteria are among the first microbial colonizers of the human gut, being frequently associated with human health-promoting activities. In the current study, an in silico methodology based on an ecological and phylogenomic-driven approach allowed the selection of a Bifidobacterium adolescentis prototype strain, i.e., B. adolescentis PRL2023, which best represents the overall genetic content and functional features of the B. adolescentis taxon. Such features were confirmed by in vitro experiments aimed at evaluating the ability of this strain to survive in the gastrointestinal tract of the host and its ability to interact with human intestinal cells and other microbial gut commensals. In this context, co-cultivation of B. adolescentis PRL2023 and several gut commensals revealed various microbe-microbe interactions and indicated co-metabolism of particular plant-derived glycans, such as xylan.IMPORTANCEThe use of appropriate bacterial strains in experimental research becomes imperative in order to investigate bacterial behavior while mimicking the natural environment. In the current study, through in silico and in vitro methodologies, we were able to identify the most representative strain of the Bifidobacterium adolescentis species. The ability of this strain, B. adolescentis PRL2023, to cope with the environmental challenges imposed by the gastrointestinal tract, together with its ability to switch its carbohydrate metabolism to compete with other gut microorganisms, makes it an ideal choice as a B. adolescentis prototype and a member of the healthy microbiota of adults. This strain possesses a genetic blueprint appropriate for its exploitation as a candidate for next-generation probiotics.
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Affiliation(s)
- Chiara Argentini
- Laboratory of Probiogenomics, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy
| | - Gabriele Andrea Lugli
- Laboratory of Probiogenomics, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy
- Microbiome Research Hub, University of Parma, Parma, Italy
| | - Chiara Tarracchini
- Laboratory of Probiogenomics, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy
| | - Federico Fontana
- Laboratory of Probiogenomics, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy
- GenProbio srl, Parma, Italy
| | - Leonardo Mancabelli
- Microbiome Research Hub, University of Parma, Parma, Italy
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | | | | | | | - Giulia Alessandri
- Laboratory of Probiogenomics, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy
| | - Massimiliano G. Bianchi
- Microbiome Research Hub, University of Parma, Parma, Italy
- Department of Medicine and Surgery, Laboratory of General Pathology, University of Parma, Parma, Italy
| | - Giuseppe Taurino
- Microbiome Research Hub, University of Parma, Parma, Italy
- Department of Medicine and Surgery, Laboratory of General Pathology, University of Parma, Parma, Italy
| | - Ovidio Bussolati
- Microbiome Research Hub, University of Parma, Parma, Italy
- Department of Medicine and Surgery, Laboratory of General Pathology, University of Parma, Parma, Italy
| | - Christian Milani
- Laboratory of Probiogenomics, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy
- Microbiome Research Hub, University of Parma, Parma, Italy
| | - Douwe van Sinderen
- APC Microbiome Institute and School of Microbiology, Bioscience Institute, National University of Ireland, Cork, Ireland
| | - Francesca Turroni
- Laboratory of Probiogenomics, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy
- Microbiome Research Hub, University of Parma, Parma, Italy
| | - Marco Ventura
- Laboratory of Probiogenomics, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy
- Microbiome Research Hub, University of Parma, Parma, Italy
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Bertin L, Zanconato M, Crepaldi M, Marasco G, Cremon C, Barbara G, Barberio B, Zingone F, Savarino EV. The Role of the FODMAP Diet in IBS. Nutrients 2024; 16:370. [PMID: 38337655 PMCID: PMC10857121 DOI: 10.3390/nu16030370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 01/23/2024] [Accepted: 01/25/2024] [Indexed: 02/12/2024] Open
Abstract
The low FODMAP (fermentable oligosaccharide, disaccharide, monosaccharide, and polyol) diet is a beneficial therapeutic approach for patients with irritable bowel syndrome (IBS). However, how the low FODMAP diet works is still not completely understood. These mechanisms encompass not only traditionally known factors such as luminal distension induced by gas and water but also recent evidence on the role of FOMAPs in the modulation of visceral hypersensitivity, increases in intestinal permeability, the induction of microbiota changes, and the production of short-chain fatty acids (SCFAs), as well as metabolomics and alterations in motility. Although most of the supporting evidence is of low quality, recent trials have confirmed its effectiveness, even though the majority of the evidence pertains only to the restriction phase and its effectiveness in relieving abdominal bloating and pain. This review examines potential pathophysiological mechanisms and provides an overview of the existing evidence on the effectiveness of the low FODMAP diet across various IBS subtypes. Key considerations for its use include the challenges and disadvantages associated with its practical implementation, including the need for professional guidance, variations in individual responses, concerns related to microbiota, nutritional deficiencies, the development of constipation, the necessity of excluding an eating disorder before commencing the diet, and the scarcity of long-term data. Despite its recognized efficacy in symptom management, acknowledging these limitations becomes imperative for a nuanced comprehension of the role of a low FODMAP diet in managing IBS. By investigating its potential mechanisms and evidence across IBS subtypes and addressing emerging modulations alongside limitations, this review aims to serve as a valuable resource for healthcare practitioners, researchers, and patients navigating the intricate landscape of IBS.
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Affiliation(s)
- Luisa Bertin
- Department of Surgery, Oncology, Gastroenterology, University of Padua, 35121 Padua, Italy; (L.B.); (M.Z.); (M.C.); (B.B.); (F.Z.)
- Gastroenterology Unit, Azienda Ospedale-Università Padova, 35128 Padua, Italy
| | - Miriana Zanconato
- Department of Surgery, Oncology, Gastroenterology, University of Padua, 35121 Padua, Italy; (L.B.); (M.Z.); (M.C.); (B.B.); (F.Z.)
- Gastroenterology Unit, Azienda Ospedale-Università Padova, 35128 Padua, Italy
| | - Martina Crepaldi
- Department of Surgery, Oncology, Gastroenterology, University of Padua, 35121 Padua, Italy; (L.B.); (M.Z.); (M.C.); (B.B.); (F.Z.)
- Gastroenterology Unit, Azienda Ospedale-Università Padova, 35128 Padua, Italy
| | - Giovanni Marasco
- IRCCS Azienda Ospedaliero, Universitaria di Bologna, 40138 Bologna, Italy; (G.M.); (C.C.); (G.B.)
- Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy
| | - Cesare Cremon
- IRCCS Azienda Ospedaliero, Universitaria di Bologna, 40138 Bologna, Italy; (G.M.); (C.C.); (G.B.)
- Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy
| | - Giovanni Barbara
- IRCCS Azienda Ospedaliero, Universitaria di Bologna, 40138 Bologna, Italy; (G.M.); (C.C.); (G.B.)
- Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy
| | - Brigida Barberio
- Department of Surgery, Oncology, Gastroenterology, University of Padua, 35121 Padua, Italy; (L.B.); (M.Z.); (M.C.); (B.B.); (F.Z.)
- Gastroenterology Unit, Azienda Ospedale-Università Padova, 35128 Padua, Italy
| | - Fabiana Zingone
- Department of Surgery, Oncology, Gastroenterology, University of Padua, 35121 Padua, Italy; (L.B.); (M.Z.); (M.C.); (B.B.); (F.Z.)
- Gastroenterology Unit, Azienda Ospedale-Università Padova, 35128 Padua, Italy
| | - Edoardo Vincenzo Savarino
- Department of Surgery, Oncology, Gastroenterology, University of Padua, 35121 Padua, Italy; (L.B.); (M.Z.); (M.C.); (B.B.); (F.Z.)
- Gastroenterology Unit, Azienda Ospedale-Università Padova, 35128 Padua, Italy
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Kraimi N, Ross T, Pujo J, De Palma G. The gut microbiome in disorders of gut-brain interaction. Gut Microbes 2024; 16:2360233. [PMID: 38949979 PMCID: PMC11218806 DOI: 10.1080/19490976.2024.2360233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 05/21/2024] [Indexed: 07/03/2024] Open
Abstract
Functional gastrointestinal disorders (FGIDs), chronic disorders characterized by either abdominal pain, altered intestinal motility, or their combination, have a worldwide prevalence of more than 40% and impose a high socioeconomic burden with a significant decline in quality of life. Recently, FGIDs have been reclassified as disorders of gut-brain interaction (DGBI), reflecting the key role of the gut-brain bidirectional communication in these disorders and their impact on psychological comorbidities. Although, during the past decades, the field of DGBIs has advanced significantly, the molecular mechanisms underlying DGBIs pathogenesis and pathophysiology, and the role of the gut microbiome in these processes are not fully understood. This review aims to discuss the latest body of literature on the complex microbiota-gut-brain interactions and their implications in the pathogenesis of DGBIs. A better understanding of the existing communication pathways between the gut microbiome and the brain holds promise in developing effective therapeutic interventions for DGBIs.
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Affiliation(s)
- Narjis Kraimi
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Canada
| | - Taylor Ross
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Canada
| | - Julien Pujo
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Canada
| | - Giada De Palma
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Canada
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