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Up-Regulation of Specific Bioactive Lipids in Celiac Disease. Nutrients 2021; 13:nu13072271. [PMID: 34209150 PMCID: PMC8308317 DOI: 10.3390/nu13072271] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/12/2021] [Accepted: 06/25/2021] [Indexed: 12/29/2022] Open
Abstract
Celiac disease (CD) is an autoimmune enteropathy linked to alterations of metabolism. Currently, limited untargeted metabolomic studies evaluating differences in the plasma metabolome of CD subjects have been documented. We engage in a metabolomic study that analyzes plasma metabolome in 17 children with CD treated with a gluten-free diet and 17 healthy control siblings in order to recognize potential changes in metabolic networks. Our data demonstrates the persistence of metabolic defects in CD subjects in spite of the dietary treatment, affecting a minor but significant fraction (around 4%, 209 out of 4893 molecular features) of the analyzed plasma metabolome. The affected molecular species are mainly, but not exclusively, lipid species with a particular affectation of steroids and derivatives (indicating an adrenal gland affectation), glycerophospholipids (to highlight phosphatidic acid), glycerolipids (with a special affectation of diacylglycerols), and fatty acyls (eicosanoids). Our findings are suggestive of an activation of the diacylglycerol-phosphatidic acid signaling pathway in CD that may potentially have detrimental effects via activation of several targets including protein kinases such as mTOR, which could be the basis of the morbidity and mortality connected with untreated CD. However, more studies are necessary to validate this idea regarding CD.
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Torun A, Hupalowska A, Trzonkowski P, Kierkus J, Pyrzynska B. Intestinal Microbiota in Common Chronic Inflammatory Disorders Affecting Children. Front Immunol 2021; 12:642166. [PMID: 34163468 PMCID: PMC8215716 DOI: 10.3389/fimmu.2021.642166] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 05/24/2021] [Indexed: 12/12/2022] Open
Abstract
The incidence and prevalence rate of chronic inflammatory disorders is on the rise in the pediatric population. Recent research indicates the crucial role of interactions between the altered intestinal microbiome and the immune system in the pathogenesis of several chronic inflammatory disorders in children, such as inflammatory bowel disease (IBD) and autoimmune diseases, such as type 1 diabetes mellitus (T1DM) and celiac disease (CeD). Here, we review recent knowledge concerning the pathogenic mechanisms underlying these disorders, and summarize the facts suggesting that the initiation and progression of IBD, T1DM, and CeD can be partially attributed to disturbances in the patterns of composition and abundance of the gut microbiota. The standard available therapies for chronic inflammatory disorders in children largely aim to treat symptoms. Although constant efforts are being made to maximize the quality of life for children in the long-term, sustained improvements are still difficult to achieve. Additional challenges are the changing physiology associated with growth and development of children, a population that is particularly susceptible to medication-related adverse effects. In this review, we explore new promising therapeutic approaches aimed at modulation of either gut microbiota or the activity of the immune system to induce a long-lasting remission of chronic inflammatory disorders. Recent preclinical studies and clinical trials have evaluated new approaches, for instance the adoptive transfer of immune cells, with genetically engineered regulatory T cells expressing antigen-specific chimeric antigen receptors. These approaches have revolutionized cancer treatments and have the potential for the protection of high-risk children from developing autoimmune diseases and effective management of inflammatory disorders. The review also focuses on the findings of studies that indicate that the responses to a variety of immunotherapies can be enhanced by strategic manipulation of gut microbiota, thus emphasizing on the importance of proper interaction between the gut microbiota and immune system for sustained health benefits and improvement of the quality of life of pediatric patients.
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Affiliation(s)
- Anna Torun
- Chair and Department of Biochemistry, Medical University of Warsaw, Warsaw, Poland
| | - Anna Hupalowska
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, United States
| | - Piotr Trzonkowski
- Department of Medical Immunology, Medical University of Gdansk, Gdansk, Poland
| | - Jaroslaw Kierkus
- Department of Gastroenterology, Hepatology, Feeding Disorders and Pediatrics, The Children's Memorial Health Institute, Warsaw, Poland
| | - Beata Pyrzynska
- Chair and Department of Biochemistry, Medical University of Warsaw, Warsaw, Poland
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53
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Sitkin SI, Avalueva EB, Oreshko LS, Khavkin AI. Intestinal microbiota and dysbiosis in celiac disease. ROSSIYSKIY VESTNIK PERINATOLOGII I PEDIATRII (RUSSIAN BULLETIN OF PERINATOLOGY AND PEDIATRICS) 2021; 66:116-122. [DOI: 10.21508/1027-4065-2021-66-2-116-122] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Affiliation(s)
- S. I. Sitkin
- Mechnikov North-Western State Medical University; Almazov National Medical Research Centre; State Research Institute of Highly Pure Biopreparations
| | | | | | - A. I. Khavkin
- Veltischev Research and Clinical Institute for Pediatrics at the Pirogov Russian National Research Medical University
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54
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Sacchetti L, Nardelli C. Gut microbiome investigation in celiac disease: from methods to its pathogenetic role. Clin Chem Lab Med 2021; 58:340-349. [PMID: 31494628 DOI: 10.1515/cclm-2019-0657] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 08/06/2019] [Indexed: 12/12/2022]
Abstract
Our body is inhabited by a variety of microbes (microbiota), mainly bacteria, that outnumber our own cells. Until recently, most of what we knew about the human microbiota was based on culture methods, whereas a large part of the microbiota is uncultivable, and consequently previous information was limited. The advent of culture-independent methods and, particularly, of next-generation sequencing (NGS) methodology, marked a turning point in studies of the microbiota in terms of its composition and of the genes encoded by these microbes (microbiome). The microbiome is influenced predominantly by environmental factors that cause a large inter-individual variability (~20%) being its heritability only 1.9%. The gut microbiome plays a relevant role in human physiology, and its alteration ("dysbiosis") has been linked to a variety of inflammatory gut diseases, including celiac disease (CD). CD is a chronic, immune-mediated disorder that is triggered by both genetic (mainly HLA-DQ2/DQ8 haplotypes) and environmental factors (gluten), but, in recent years, a large body of experimental evidence suggested that the gut microbiome is an additional contributing factor to the pathogenesis of CD. In this review, we summarize the literature that has investigated the gut microbiome associated with CD, the methods and biological samples usually employed in CD microbiome investigations and the putative pathogenetic role of specific microbial alterations in CD. In conclusion, both gluten-microbe and host-microbe interactions drive the gluten-mediated immune response. However, it remains to be established whether the CD-associated dysbiosis is the consequence of the disease, a simple concomitant association or a concurring causative factor.
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Affiliation(s)
- Lucia Sacchetti
- CEINGE-Biotecnologie Avanzate SCarl, Naples, Italy.,Task Force on Microbiome Studies, Università degli Studi di Napoli Federico II and CEINGE-Biotecnologie Avanzate SCarl, Naples, Italy
| | - Carmela Nardelli
- CEINGE-Biotecnologie Avanzate SCarl, Naples, Italy.,Task Force on Microbiome Studies, Università degli Studi di Napoli Federico II and CEINGE-Biotecnologie Avanzate SCarl, Naples, Italy.,Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, Naples, Italy
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55
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Accurate and reliable quantitation of short chain fatty acids from human feces by ultra high-performance liquid chromatography-high resolution mass spectrometry (UPLC-HRMS). J Pharm Biomed Anal 2021; 200:114066. [PMID: 33866297 DOI: 10.1016/j.jpba.2021.114066] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 03/24/2021] [Accepted: 04/02/2021] [Indexed: 01/03/2023]
Abstract
Short chain fatty acids (SCFAs), generated from microbial fermentation of dietary fibers, can regulate weight, appetite and energy homeostasis. Therefore, measuring SCFAs in fecal samples is important to understand the relationship between dietary patterns, gut microbial metabolism, and their impact on host metabolism homeostasis. However, due to the chemical complexity of fecal samples and the volatility of these SCFAs, the quantitative measurements of SCFAs remain challenging. In this study, we developed an absolute quantitation method for accurate and reliable analysis of SCFAs using an UPLC-Q Exactive HRMS system. Nine C2-C6 SCFAs were first derivatized and then separated on a reversed-phase CSH C18 column, and quantitated by UPLC-HRMS with targeted-selected ion monitoring (t-SIM) mode. Our calibration plots showed high linearity (R2>0.99) with high quantitation accuracy (from 91.24%-118.42%); additional analyses showed excellent precisions ranging from 1.12 % to 6.13 %, and accurate recoveries between 92.38 % and 109.65 % with relative standard deviations of 0.31 %-6.44 %. Meanwhile, the short-term stability, freeze and thaw stability, and 168 h storage stability were tested and reported from 85.07%-106.44% with RSDs 0.44%-20.00%, 98.99%-128.84% with RSDs 0.77%-19.79%, and 77.53%-104.42% with RSDs 0.92%-18.65%, respectively. Lastly, this quantitative method was applied to determine the SCFA concentrations and compositions in forty fecal samples from a group of study subjects participating in an obesity prevention trial, and a broad range of concentrations was noted for the detected SCFAs.
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Free Fatty Acids Signature in Human Intestinal Disorders: Significant Association between Butyric Acid and Celiac Disease. Nutrients 2021; 13:nu13030742. [PMID: 33652681 PMCID: PMC7996737 DOI: 10.3390/nu13030742] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/12/2021] [Accepted: 02/22/2021] [Indexed: 02/07/2023] Open
Abstract
Altered circulating levels of free fatty acids (FFAs), namely short chain fatty acids (SCFAs), medium chain fatty acids (MCFAs), and long chain fatty acids (LCFAs), are associated with metabolic, gastrointestinal, and malignant diseases. Hence, we compared the serum FFA profile of patients with celiac disease (CD), adenomatous polyposis (AP), and colorectal cancer (CRC) to healthy controls (HC). We enrolled 44 patients (19 CRC, 9 AP, 16 CD) and 16 HC. We performed a quantitative FFA evaluation with the gas chromatography-mass spectrometry method (GC-MS), and we performed Dirichlet-multinomial regression in order to highlight disease-specific FFA signature. HC showed a different composition of FFAs than CRC, AP, and CD patients. Furthermore, the partial least squares discriminant analysis (PLS-DA) confirmed perfect overlap between the CRC and AP patients and separation of HC from the diseased groups. The Dirichlet-multinomial regression identified only strong positive association between CD and butyric acid. Moreover, CD patients showed significant interactions with age, BMI, and gender. In addition, among patients with the same age and BMI, being male compared to being female implies a decrease of the CD effect on the (log) prevalence of butyric acid in FFA composition. Our data support GC-MS as a suitable method for the concurrent analysis of circulating SCFAs, MCFAs, and LCFAs in different gastrointestinal diseases. Furthermore, and notably, we suggest for the first time that butyric acid could represent a potential biomarker for CD screening.
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57
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The Multiomics Analyses of Fecal Matrix and Its Significance to Coeliac Disease Gut Profiling. Int J Mol Sci 2021; 22:ijms22041965. [PMID: 33671197 PMCID: PMC7922330 DOI: 10.3390/ijms22041965] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/08/2021] [Accepted: 02/11/2021] [Indexed: 12/15/2022] Open
Abstract
Gastrointestinal (GIT) diseases have risen globally in recent years, and early detection of the host’s gut microbiota, typically through fecal material, has become a crucial component for rapid diagnosis of such diseases. Human fecal material is a complex substance composed of undigested macromolecules and particles, and the processing of such matter is a challenge due to the unstable nature of its products and the complexity of the matrix. The identification of these products can be used as an indication for present and future diseases; however, many researchers focus on one variable or marker looking for specific biomarkers of disease. Therefore, the combination of genomics, transcriptomics, proteomics and metabonomics can give a detailed and complete insight into the gut environment. The proper sample collection, sample preparation and accurate analytical methods play a crucial role in generating precise microbial data and hypotheses in gut microbiome research, as well as multivariate data analysis in determining the gut microbiome functionality in regard to diseases. This review summarizes fecal sample protocols involved in profiling coeliac disease.
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58
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Multidimensional Disadvantages of a Gluten-Free Diet in Celiac Disease: A Narrative Review. Nutrients 2021; 13:nu13020643. [PMID: 33669442 PMCID: PMC7920475 DOI: 10.3390/nu13020643] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 02/05/2021] [Accepted: 02/09/2021] [Indexed: 12/17/2022] Open
Abstract
A gluten-free diet is the mainstay method of treatment and the prevention of celiac disease complications. However, an inadequately balanced gluten-free diet can increase the risk of obesity, negatively affect glucose and lipid metabolism, and increase the risk of the metabolic syndrome. Therefore, an adequate nutritional counselling is necessary for patients diagnosed with celiac disease in order to prevent and treat the components of the metabolic syndrome.
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59
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Han T, Li J. Gut microbiota as a new player in children with celiac disease. J Gastroenterol Hepatol 2021; 36:39-40. [PMID: 33448512 DOI: 10.1111/jgh.15322] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 10/27/2020] [Indexed: 12/09/2022]
Affiliation(s)
- Taotao Han
- Department of Gastroenterology, Key Laboratory of Gut Microbiota Translational Medicine Research, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Jingnan Li
- Department of Gastroenterology, Key Laboratory of Gut Microbiota Translational Medicine Research, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
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60
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Abdukhakimova D, Dossybayeva K, Poddighe D. Fecal and Duodenal Microbiota in Pediatric Celiac Disease. Front Pediatr 2021; 9:652208. [PMID: 33968854 PMCID: PMC8100229 DOI: 10.3389/fped.2021.652208] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 02/15/2021] [Indexed: 12/11/2022] Open
Abstract
Background and Objective: The gut microbiota plays a role in regulating the host immunity. Therefore, alterations in gut microbiota (or dysbiosis) have been investigated in several gastrointestinal diseases, including Celiac Disease (CD). The aim of this study is to summarize the main characteristics of the gut microbiota in pediatric CD. Methods: We performed a systematic review to retrieve the available studies investigating the gut microbiota in pediatric CD patients and controls. In detail, after the screening of >2,200 titles from the medical literature, 397 articles were assessed for eligibility based on the abstracts: of those, 114 full-text original articles were considered as eligible according to the aim of this systematic review. Results: The final search output consisted of 18 articles describing the gut microbiota of CD children and including one or more control groups. Eleven pediatric studies provided information on the duodenal microbiota and as many investigated the fecal microbiota; three articles analyzed the microbiota on both fecal and duodenal samples from the same cohorts of patients. Conclusion: Due to the heterogeneity of the experimental procedures and study design, it is not possible to evidence any specific celiac signature in the fecal and/or duodenal microbiota of CD children. However, some specific components of the fecal microbiota and, in detail, Bifidobacterium spp. (e.g., Bifidobacterium longum) may deserve additional research efforts, in order to understand their potential value as both probiotic therapy and diagnostic/prognostic biomarker.
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Affiliation(s)
- Diyora Abdukhakimova
- Department of Medicine, Nazarbayev University School of Medicine (NUSOM), Nur-Sultan, Kazakhstan
| | - Kuanysh Dossybayeva
- Department of Medicine, Nazarbayev University School of Medicine (NUSOM), Nur-Sultan, Kazakhstan
| | - Dimitri Poddighe
- Department of Medicine, Nazarbayev University School of Medicine (NUSOM), Nur-Sultan, Kazakhstan.,Department of Pediatrics, National Research Center for Maternal and Child Health, University Medical Center, Nur-Sultan, Kazakhstan
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61
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Lanza G, Fisicaro F, D’Agate CC, Ferri R, Cantone M, Falzone L, Pennisi G, Bella R, Hadjivassiliou M, Pennisi M. Preserved central cholinergic functioning to transcranial magnetic stimulation in de novo patients with celiac disease. PLoS One 2021; 16:e0261373. [PMID: 34914787 PMCID: PMC8675755 DOI: 10.1371/journal.pone.0261373] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 11/30/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Celiac disease (CD) is now viewed as a systemic disease with multifaceted clinical manifestations. Among the extra-intestinal features, neurological and neuropsychiatric symptoms are still a diagnostic challenge, since they can precede or follow the diagnosis of CD. In particular, it is well known that some adults with CD may complain of cognitive symptoms, that improve when the gluten-free diet (GFD) is started, although they may re-appear after incidental gluten intake. Among the neurophysiological techniques, motor evoked potentials (MEPs) to transcranial magnetic stimulation (TMS) can non-invasively probe in vivo the excitation state of cortical areas and cortico-spinal conductivity, being also able to unveil preclinical impairment in several neurological and psychiatric disorders, as well as in some systemic diseases affecting the central nervous system (CNS), such as CD. We previously demonstrated an intracortical disinhibition and hyperfacilitation of MEP responses to TMS in newly diagnosed patients. However, no data are available on the central cholinergic functioning indexed by specific TMS measures, such as the short-latency afferent inhibition (SAI), which might represent the neurophysiological correlate of cognitive changes in CD patients, also at the preclinical level. METHODS Cognitive and depressive symptoms were screened by means of the Montreal Cognitive Assessment (MoCA) and the 17-item Hamilton Depression Rating Scale (HDRS), respectively, in 15 consecutive de novo CD patients and 15 healthy controls. All patients were on normal diet at the time of the enrolment. Brain computed tomography (CT) was performed in all patients. SAI, recorded at two interstimulus intervals (2 and 8 ms), was assessed as the percentage amplitude ratio between the conditioned and the unconditioned MEP response. Resting motor threshold, MEP amplitude and latency, and central motor conduction time were also measured. RESULTS The two groups were comparable for age, sex, anthropometric features, and educational level. Brain CT ruled out intracranial calcifications and clear radiological abnormalities in all patients. Scores at MoCA and HDRS were significantly worse in patients than in controls. The comparison of TMS data between the two groups revealed no statistically significant difference for all measures, including SAI at both interstimulus intervals. CONCLUSIONS Central cholinergic functioning explored by the SAI of the motor cortex resulted to be not affected in these de novo CD patients compared to age-matched healthy controls. Although the statistically significant difference in MoCA, an overt cognitive impairment was not clinically evident in CD patients. Coherently, to date, no study based on TMS or other diagnostic techniques has shown any involvement of the central acetylcholine or the cholinergic fibers within the CNS in CD. This finding might add support to the vascular inflammation hypothesis underlying the so-called "gluten encephalopathy", which seems to be due to an aetiology different from that of the cholinergic dysfunction. Longitudinal studies correlating clinical, TMS, and neuroimaging data, both before and after GFD, are needed.
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Affiliation(s)
- Giuseppe Lanza
- Department of Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
- Clinical Neurophysiology Research Unit, Oasi Research Institute-IRCCS, Troina, Italy
- * E-mail:
| | - Francesco Fisicaro
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Carmela Cinzia D’Agate
- Gastroenterology and Endoscopy Unit, University Hospital Policlinico “G. Rodolico-San Marco”, Catania, Italy
| | - Raffaele Ferri
- Clinical Neurophysiology Research Unit, Oasi Research Institute-IRCCS, Troina, Italy
| | - Mariagiovanna Cantone
- Department of Neurology, Sant’Elia Hospital, ASP Caltanissetta, Caltanissetta, Italy
| | - Luca Falzone
- Epidemiology and Biostatistics Unit, Instituto Nazionale Tumori-IRCCS “Fondazione G. Pascale, Napoli, Italy
| | - Giovanni Pennisi
- Department of Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
| | - Rita Bella
- Department of Medical and Surgical Sciences and Advanced Technologies, University of Catania, Catania, Italy
| | - Marios Hadjivassiliou
- Academic Department of Neurosciences, Sheffield Teaching Hospitals NHS Foundation Trust, Royal Hallamshire Hospital, Sheffield, United Kingdom
| | - Manuela Pennisi
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
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Alterations in One-Carbon Metabolism in Celiac Disease. Nutrients 2020; 12:nu12123723. [PMID: 33276620 PMCID: PMC7761552 DOI: 10.3390/nu12123723] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 11/29/2020] [Accepted: 11/30/2020] [Indexed: 12/19/2022] Open
Abstract
Celiac disease (CD) is an autoimmune enteropathy associated with alterations of metabolism. Metabolomics studies, although limited, showed changes in choline, choline-derived lipids, and methionine concentrations, which could be ascribed to alterations in one-carbon metabolism. To date, no targeted metabolomics analysis investigating differences in the plasma choline/methionine metabolome of CD subjects are reported. This work is a targeted metabolomic study that analyzes 37 metabolites of the one-carbon metabolism in 17 children with CD, treated with a gluten-free diet and 17 healthy control siblings, in order to establish the potential defects in this metabolic network. Our results demonstrate the persistence of defects in the transsulfuration pathway of CD subjects, despite dietary treatment, while choline metabolism, methionine cycle, and folate cycle seem to be reversed and preserved to healthy levels. These findings describe for the first time, a metabolic defect in one-carbon metabolism which could have profound implications in the physiopathology and treatment of CD.
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63
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Akobeng AK, Singh P, Kumar M, Al Khodor S. Role of the gut microbiota in the pathogenesis of coeliac disease and potential therapeutic implications. Eur J Nutr 2020; 59:3369-3390. [PMID: 32651763 PMCID: PMC7669811 DOI: 10.1007/s00394-020-02324-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 07/01/2020] [Indexed: 12/17/2022]
Abstract
PURPOSE Although genetic predisposition and exposure to dietary gluten are considered necessary triggers for the development of coeliac disease, alterations in the gut microbial composition may also contribute towards the pathogenesis of coeliac disease. This review aims to provide an overview of the available data on the potential mechanisms through which the gut microbiota plays a role in the causation of coeliac disease and to discuss the potential therapeutic strategies that could diminish the consequences of microbial dysbiosis. METHOD A search of the literature was performed using the PubMed, Embase, and JSTOR databases; relevant articles were included. RESULTS Recent studies in patients with coeliac disease have reported an increase in the relative amounts of gram negative bacterial genera such as Bacteroides, Prevotella, and Escherichia, and reduced amounts of protective anti-inflammatory bacteria such as Bifidobacteria and Lactobacilli. Dysbiotic microbiota may lead to a dysregulated immune response that may contribute to the pathogenesis of coeliac disease. In infancy, antibiotic use and certain infant feeding practices may lead to alterations in the developing gut microbiota to influence the immune maturation process and predispose to coeliac disease. CONCLUSION The induction of the intestinal immune system and gluten intolerance may be influenced by the relative abundance of certain microbiota. Factors such as infant feeding practices, diet, antibiotics, and infections, may be involved in the development of coeliac disease due to their influence on gut microbial composition. The efficacy of potential modulators of the gut microbiota such as probiotics, prebiotics, and fecal microbial transplant as adjunctive treatments to gluten-free diet in coeliac disease is unproven and requires further investigation.
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Affiliation(s)
- Anthony K Akobeng
- Division of Gastroenterology, Hepatology, and Nutrition, Sidra Medicine, Doha, Qatar
- Weill Cornell Medicine, Cornell University, Doha, Qatar
| | - Parul Singh
- Research Department, Sidra Medicine, Doha, Qatar
| | - Manoj Kumar
- Research Department, Sidra Medicine, Doha, Qatar
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64
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Zafeiropoulou K, Nichols B, Mackinder M, Biskou O, Rizou E, Karanikolou A, Clark C, Buchanan E, Cardigan T, Duncan H, Wands D, Russell J, Hansen R, Russell RK, McGrogan P, Edwards CA, Ijaz UZ, Gerasimidis K. Alterations in Intestinal Microbiota of Children With Celiac Disease at the Time of Diagnosis and on a Gluten-free Diet. Gastroenterology 2020; 159:2039-2051.e20. [PMID: 32791131 PMCID: PMC7773982 DOI: 10.1053/j.gastro.2020.08.007] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 07/15/2020] [Accepted: 08/02/2020] [Indexed: 12/17/2022]
Abstract
BACKGROUND AND AIMS It is not clear whether alterations in the intestinal microbiota of children with celiac disease (CD) cause the disease or are a result of disease and/or its treatment with a gluten-free diet (GFD). METHODS We obtained 167 fecal samples from 141 children (20 with new-onset CD, 45 treated with a GFD, 57 healthy children, and 19 unaffected siblings of children with CD) in Glasgow, Scotland. Samples were analyzed by 16S ribosomal RNA sequencing, and diet-related metabolites were measured by gas chromatography. We obtained fecal samples from 13 children with new-onset CD after 6 and 12 months on a GFD. Relationships between microbiota with diet composition, gastrointestinal function, and biomarkers of GFD compliance were explored. RESULTS Microbiota α diversity did not differ among groups. Microbial dysbiosis was not observed in children with new-onset CD. In contrast, 2.8% (Bray-Curtis dissimilarity index, P = .025) and 2.5% (UniFrac distances, P = .027) of the variation in microbiota composition could be explained by the GFD. Between 3% and 5% of all taxa differed among all group comparisons. Eleven distinctive operational taxonomic units composed a microbe signature specific to CD with high diagnostic probability. Most operational taxonomic units that differed between patients on a GFD with new-onset CD vs healthy children were associated with nutrient and food group intake (from 75% to 94%) and with biomarkers of gluten ingestion. Fecal levels of butyrate and ammonia decreased during the GFD. CONCLUSIONS Although several alterations in the intestinal microbiota of children with established CD appear to be effects of a GFD, specific bacteria were found to be distinct biomarkers of CD. Studies are needed to determine whether these bacteria contribute to pathogenesis of CD.
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Affiliation(s)
- Konstantina Zafeiropoulou
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow Royal Infirmary, Glasgow, Scotland, UK.
| | - Ben Nichols
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow Royal Infirmary, Glasgow, Scotland, UK
| | - Mary Mackinder
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow Royal Infirmary, Glasgow, Scotland, UK
| | - Olga Biskou
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow Royal Infirmary, Glasgow, Scotland, UK
| | - Eleni Rizou
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow Royal Infirmary, Glasgow, Scotland, UK
| | - Antonia Karanikolou
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow Royal Infirmary, Glasgow, Scotland, UK
| | - Clare Clark
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow Royal Infirmary, Glasgow, Scotland, UK
| | - Elaine Buchanan
- Department of Paediatric Gastroenterology, Royal Hospital for Children, Glasgow, Scotland, UK
| | - Tracey Cardigan
- Department of Paediatric Gastroenterology, Royal Hospital for Children, Glasgow, Scotland, UK
| | - Hazel Duncan
- Department of Paediatric Gastroenterology, Royal Hospital for Children, Glasgow, Scotland, UK
| | - David Wands
- Department of Paediatric Gastroenterology, Royal Hospital for Children, Glasgow, Scotland, UK
| | - Julie Russell
- Civil Engineering, School of Engineering, University of Glasgow, Glasgow, Scotland, UK
| | - Richard Hansen
- Department of Paediatric Gastroenterology, Royal Hospital for Children, Glasgow, Scotland, UK
| | - Richard K. Russell
- Department of Paediatric Gastroenterology, Royal Hospital for Children, Glasgow, Scotland, UK
| | - Paraic McGrogan
- Department of Paediatric Gastroenterology, Royal Hospital for Children, Glasgow, Scotland, UK
| | - Christine A. Edwards
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow Royal Infirmary, Glasgow, Scotland, UK
| | - Umer Z. Ijaz
- Civil Engineering, School of Engineering, University of Glasgow, Glasgow, Scotland, UK
| | - Konstantinos Gerasimidis
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow Royal Infirmary, Glasgow, Scotland, UK
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Peltrini R, Cordell R, Ibrahim W, Wilde M, Salman D, Singapuri A, Hargadon B, Brightling CE, Thomas CLP, Monks P, Siddiqui S. Volatile organic compounds in a headspace sampling system and asthmatics sputum samples. J Breath Res 2020; 15. [PMID: 33227714 DOI: 10.1088/1752-7163/abcd2a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 11/23/2020] [Indexed: 12/17/2022]
Abstract
Background:The headspace of a biological sample contains exogenous VOCs present within the sampling environment which represent the background signal.Study aims:This study aimed to characterise the background signal generated from a headspace sampling system in a clinical site, to evaluate intra- and inter-day variation of background VOC and to understand the impact of a sample itself upon commonly reported background VOC using sputum headspace samples from severe asthmatics.Methods:The headspace, in absence of a biological sample, was collected hourly from 11am to 3pm within a day (time of clinical samples acquisition), and from Monday to Friday in a week, and analysed by thermal desorption-gas chromatography-mass spectrometry (TD-GC-MS). Chemometric analysis identified 1120 features, 37 of which were present in at least the 80% of all the samples. The analyses of intra- and inter-day background variations were performed on thirteen of the most abundant features, ubiquitously present in headspace samples. The concentration ratios relative to background were reported for the selected abundant VOC in 36 asthmatic sputum samples, acquired from 36 stable severe asthma patients recruited at Glenfield Hospital, Leicester, UK.Results:The results identified no significant intra- or inter-day variations in compounds levels and no systematic bias of z-scores, with the exclusion of benzothiazole, whose abundance increased linearly between 11am and 3pm with a maximal intra-day fold change of 2.13. Many of the identified background features are reported in literature as components of headspace of biological samples and are considered potential biomarkers for several diseases. The selected background features were identified in headspace of all severe asthma sputum samples, albeit with varying levels of enrichment relative to background.Conclusion:Our observations support the need to consider the background signal derived from the headspace sampling system when developing and validating headspace biomarker signatures using clinical samples.
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Affiliation(s)
- Rosa Peltrini
- University of Leicester College of Life Sciences, Leicester, LE1 9HN, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
| | - Rebecca Cordell
- Chemistry department, University of Leicester, Leicester, Leicestershire, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
| | - Wadah Ibrahim
- University of Leicester College of Life Sciences, Leicester, Leicester, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
| | - Michael Wilde
- Chemistry department, University of Leicester, Leicester, Leicestershire, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
| | - Dahlia Salman
- Chemistry, Loughborough University School of Science, Loughborough, LE11 3TU, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
| | - Amisha Singapuri
- University of Leicester, Leicester, Leicestershire, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
| | - Beverley Hargadon
- University of Leicester, Leicester, Leicestershire, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
| | - Christopher E Brightling
- University of Leicester, Leicester, Leicestershire, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
| | - C L Paul Thomas
- Department of Chemistry, Centre for Analytical Science, Loughborough University School of Science, LOUGHBOROUGH, Leicestershire, LE11 3TU, Loughborough, LE11 3TU, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
| | - Paul Monks
- Chemistry department, University of Leicester, Leicester, Leicestershire, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
| | - Salman Siddiqui
- University of Leicester College of Life Sciences, Leicester, Leicester, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
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Marasco G, Cirota GG, Rossini B, Lungaro L, Di Biase AR, Colecchia A, Volta U, De Giorgio R, Festi D, Caio G. Probiotics, Prebiotics and Other Dietary Supplements for Gut Microbiota Modulation in Celiac Disease Patients. Nutrients 2020; 12:E2674. [PMID: 32887325 PMCID: PMC7551848 DOI: 10.3390/nu12092674] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 08/27/2020] [Accepted: 08/28/2020] [Indexed: 02/06/2023] Open
Abstract
To date, the only available treatment for celiac disease (CD) patients is a life-lasting gluten-free diet (GFD). Lack of adherence to the GFD leads to a significant risk of adverse health consequences. Food cross-contamination, nutritional imbalances, and persistent gastrointestinal symptoms are the main concerns related to GFD. Moreover, despite rigid compliance to GFD, patients struggle in achieving a full restoring of the gut microbiota, which plays a role in the nutritive compounds processing, and absorption. Pivotal studies on the supplementation of GFD with probiotics, such as Bifidobacterium and Lactobacilli, reported a potential to restore gut microbiota composition and to pre-digest gluten in the intestinal lumen, reducing the inflammation associated with gluten intake, the intestinal permeability, and the cytokine and antibody production. These findings could explain an improvement in symptoms and quality of life in patients treated with GFD and probiotics. On the other hand, the inclusion of prebiotics in GFD could also be easy to administer and cost-effective as an adjunctive treatment for CD, having the power to stimulate the growth of potentially health-promoting bacteria strains. However, evidence regarding the use of prebiotics and probiotics in patients with CD is still insufficient to justify their use in clinical practice.
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Affiliation(s)
- Giovanni Marasco
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Via Massarenti 9, 40138 Bologna, Italy; (G.G.C.); (B.R.); (U.V.); (D.F.)
| | - Giovanna Grazia Cirota
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Via Massarenti 9, 40138 Bologna, Italy; (G.G.C.); (B.R.); (U.V.); (D.F.)
| | - Benedetta Rossini
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Via Massarenti 9, 40138 Bologna, Italy; (G.G.C.); (B.R.); (U.V.); (D.F.)
| | - Lisa Lungaro
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, 44124 Ferrara, Italy; (L.L.); (R.D.G.)
| | - Anna Rita Di Biase
- Department of Pediatrics, Policlinic Hospital, University of Modena, Via del Pozzo 71, 41126 Modena, Italy;
| | - Antonio Colecchia
- Gastroenterology Unit, Borgo Trento University Hospital of Verona, P.le Aristide Stefani 1, 37126 Verona, Italy;
| | - Umberto Volta
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Via Massarenti 9, 40138 Bologna, Italy; (G.G.C.); (B.R.); (U.V.); (D.F.)
| | - Roberto De Giorgio
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, 44124 Ferrara, Italy; (L.L.); (R.D.G.)
| | - Davide Festi
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Via Massarenti 9, 40138 Bologna, Italy; (G.G.C.); (B.R.); (U.V.); (D.F.)
| | - Giacomo Caio
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, 44124 Ferrara, Italy; (L.L.); (R.D.G.)
- Celiac Center and Mucosal Immunology and Biology Research, Massachusetts General Hospital-Harvard Medical School, Boston, MA 02114, USA
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Persistent Alterations in Plasma Lipid Profiles Before Introduction of Gluten in the Diet Associated With Progression to Celiac Disease. Clin Transl Gastroenterol 2020; 10:1-10. [PMID: 31082858 PMCID: PMC6602763 DOI: 10.14309/ctg.0000000000000044] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Celiac disease (CD) is a chronic enteropathy characterized by an autoimmune reaction in the small intestine of genetically susceptible individuals. The underlying causes of autoimmune reaction and its effect on host metabolism remain largely unknown. Herein, we apply lipidomics to elucidate the early events preceding clinical CD in a cohort of Finnish children, followed up in the Type 1 Diabetes Prediction and Prevention study.
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Nylund L, Hakkola S, Lahti L, Salminen S, Kalliomäki M, Yang B, Linderborg KM. Diet, Perceived Intestinal Well-Being and Compositions of Fecal Microbiota and Short Chain Fatty Acids in Oat-Using Subjects with Celiac Disease or Gluten Sensitivity. Nutrients 2020; 12:nu12092570. [PMID: 32854216 PMCID: PMC7551214 DOI: 10.3390/nu12092570] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 08/19/2020] [Accepted: 08/20/2020] [Indexed: 02/06/2023] Open
Abstract
A gluten-free diet may result in high fat and low fiber intake and thus lead to unbalanced microbiota. This study characterized fecal microbiota profiles by 16S MiSeq sequencing among oat-using healthy adult subjects (n = 14) or adult subjects with celiac disease (CeD) (n = 19) or non-celiac gluten sensitivity (NCGS) (n = 10). Selected microbial metabolites, self-reported 4d food diaries and perceived gut symptoms were compared. Subjects with NCGS experienced the highest amount of gut symptoms and received more energy from fat and less from carbohydrates than healthy and CeD subjects. Oat consumption resulted in reaching the lower limit of the recommended fiber intake. Frequent consumption of gluten-free pure oats did not result in microbiota dysbiosis in subjects with CeD or NCGS. Thus, the high number of gut symptoms in NCGS subjects was not linked to the microbiota. The proportion of fecal acetate was higher in healthy when compared to NCGS subjects, which may be linked to a higher abundance of Bifidobacterium in the control group compared to NCGS and CeD subjects. Propionate, butyrate and ammonia production and β-glucuronidase activity were comparable among the study groups. The results suggest that pure oats have great potential as the basis of a gluten-free diet and warrant further studies in minor microbiota disorders.
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Affiliation(s)
- Lotta Nylund
- Food Chemistry and Food Development, Department of Biochemistry, University of Turku, 20520 Turku, Finland; (L.N.); (S.H.); (B.Y.)
| | - Salla Hakkola
- Food Chemistry and Food Development, Department of Biochemistry, University of Turku, 20520 Turku, Finland; (L.N.); (S.H.); (B.Y.)
| | - Leo Lahti
- Department of Future Technologies, University of Turku, 20520 Turku, Finland;
| | - Seppo Salminen
- Functional Foods Forum, University of Turku, 20520 Turku, Finland;
| | - Marko Kalliomäki
- Department of Pediatrics, University of Turku, 20500 Turku, Finland;
- Department of Pediatrics and Adolescent Medicine, Turku University Hospital, 20521 Turku, Finland
| | - Baoru Yang
- Food Chemistry and Food Development, Department of Biochemistry, University of Turku, 20520 Turku, Finland; (L.N.); (S.H.); (B.Y.)
| | - Kaisa M. Linderborg
- Food Chemistry and Food Development, Department of Biochemistry, University of Turku, 20520 Turku, Finland; (L.N.); (S.H.); (B.Y.)
- Correspondence:
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Upadhyay D, Singh A, Das P, Mehtab J, Dattagupta S, Ahuja V, Makharia GK, Jagannathan NR, Sharma U. Abnormalities in metabolic pathways in celiac disease investigated by the metabolic profiling of small intestinal mucosa, blood plasma and urine by NMR spectroscopy. NMR IN BIOMEDICINE 2020; 33:e4305. [PMID: 32394522 DOI: 10.1002/nbm.4305] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Revised: 03/06/2020] [Accepted: 03/12/2020] [Indexed: 06/11/2023]
Abstract
Celiac disease (CeD) is an autoimmune enteropathy caused by gluten intake in genetically predisposed individuals. We investigated the metabolism of CeD by metabolic profiling of intestinal mucosa, blood plasma and urine using NMR spectroscopy and multivariate analysis. The metabolic profile of the small intestinal mucosa was compared between patients with CeD (n = 64) and disease controls (DCs, n = 30). The blood plasma and urinary metabolomes of CeD patients were compared with healthy controls (HCs, n = 39). Twelve metabolites (proline (Pro), arginine (Arg), glycine (Gly), histidine (His), glutamate (Glu), aspartate, tryptophan (Trp), fumarate, formate, succinate (Succ), glycerophosphocholine (GPC) and allantoin (Alln)) of intestinal mucosa differentiated CeD from controls. The metabolome of blood plasma with 18 metabolites (Pro, Arg, Gly, alanine, Glu, glutamine, glucose (Glc), lactate (Lac), acetate (Ace), acetoacetate (AcAc), β-hydroxybutyrate (β-OHB), pyruvate (Pyr), Succ, citrate (Cit), choline (Cho), creatine (Cr), phosphocreatine (PCr) and creatinine) and 9 metabolites of urine (Pro, Trp, β-OHB, Pyr, Succ, N-methylnicotinamide (NMN), aminohippurate (AHA), indoxyl sulfate (IS) and Alln) distinguished CeD from HCs. Our data demonstrated changes in nine metabolic pathways. The altered metabolites were associated with increased oxidative stress (Alln), impaired healing and repair mechanisms (Pro, Arg), compromised anti-inflammatory and cytoprotective processes (Gly, His, NMN), altered energy metabolism (Glc, Lac, β-OHB, Ace, AcAc, Pyr, Succ, Cit, Cho, Cr and PCr), impaired membrane metabolism (GPC and Cho) and intestinal dysbiosis (AHA and IS). An orthogonal partial least square discriminant analysis model provided clear differentiation between patients with CeD and controls in all three specimens. A classification model built by combining the distinguishing metabolites of blood plasma and urine samples gave an AUC of 0.99 with 97.7% sensitivity, 93.3% specificity and a predictive accuracy of 95.1%, which was higher than for the models built separately using small intestinal mucosa, blood plasma and urine. In conclusion, a panel of metabolic biomarkers in intestinal biopsies, plasma and urine samples has potential to differentiate CeD from controls and may complement traditional tests to improve the diagnosis of CeD.
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Affiliation(s)
- Deepti Upadhyay
- Department of NMR and MRI Facility, All India Institute of Medical Sciences, New Delhi, India
| | - Alka Singh
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Prasenjit Das
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Jiya Mehtab
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | | | - Vineet Ahuja
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Govind K Makharia
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Naranamangalam R Jagannathan
- Department of NMR and MRI Facility, All India Institute of Medical Sciences, New Delhi, India
- Department of Radiology, Chettinad Academy of Research & Education, Kelambakkam, Tamil Nadu, India
| | - Uma Sharma
- Department of NMR and MRI Facility, All India Institute of Medical Sciences, New Delhi, India
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Azimi T, Nasser A, Shariati A, Shiadeh SMJ, Safari H, Alizade-Sani M, Taghipour A, Dehghan A. The Possible Role of Pathogenic and Non-Pathogenic Bacteria in Initiation and Exacerbation of Celiac Disease; A Comprehensive Review. Curr Pharm Biotechnol 2020; 21:452-466. [PMID: 31858910 DOI: 10.2174/1389201021666191219160729] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 10/29/2019] [Accepted: 11/22/2019] [Indexed: 02/08/2023]
Abstract
Celiac Disease (CD) is an immune-mediated enteropathy, generally of the proximal intestine, that occurs in genetically susceptible individuals triggered by the ingestion of gluten. The incidence and frequency of CD are increasing, and it is predicted that CD affects approximately 1% of the people worldwide. The common clinical manifestations of CD are divided in two sections, including classic and non-classic symptoms that can be created in childhood and adulthood. The relationship between pathogenic and non-pathogenic bacteria with CD is complex and multidirectional. In previous published studies, results demonstrated the triggering impact of bacteria, viruses, and parasites on initiation and development of Inflammatory Bowel Disease (IBD) and Irritable Bowel Syndrome (IBS). Different studies revealed the inducing effect of pathogenic and non-pathogenic bacteria on CD. However, increasing evidence proposes that some of these microorganisms can also play several positive roles in CD process. Although information of the pathogenesis of the CD is quickly expanding, the possible role of bacteria needs further examination. In conclusion, with respect to the possible correlation between different bacteria in CD, the current review-based study aims to discuss the possible relationship between CD and pathogenic and non-pathogenic bacteria and to show various and significant aspects of mechanisms involved in the CD process.
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Affiliation(s)
- Taher Azimi
- Pediatric Infections Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Students Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahmad Nasser
- Clinical Microbiology Research Center, Ilam University of Medical Science, Ilam, Iran.,Department of Medical Microbiology, School of Medicine, Ilam University of Medical Science, Ilam, Iran
| | - Aref Shariati
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Student Research Committee, Iran University of Medical Sciences, Tehran, Iran
| | - Seyedeh M J Shiadeh
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hossein Safari
- Health Promotion Research Center, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Mahmood Alizade-Sani
- Students Research Committee, Department of Food Sciences and Technology, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Taghipour
- Department of Parasitology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Amin Dehghan
- Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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Natalia Drabińska, Starowicz M, Krupa-Kozak U. Headspace Solid-Phase Microextraction Coupled with Gas Chromatography–Mass Spectrometry for the Determination of Volatile Organic Compounds in Urine. JOURNAL OF ANALYTICAL CHEMISTRY 2020. [DOI: 10.1134/s1061934820060088] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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73
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Pecora F, Persico F, Gismondi P, Fornaroli F, Iuliano S, de'Angelis GL, Esposito S. Gut Microbiota in Celiac Disease: Is There Any Role for Probiotics? Front Immunol 2020; 11:957. [PMID: 32499787 PMCID: PMC7243837 DOI: 10.3389/fimmu.2020.00957] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 04/23/2020] [Indexed: 12/15/2022] Open
Abstract
Celiac disease (CD) is an immune-mediated disorder initiated by the ingestion of gluten in genetically predisposed individuals. Recent data shows that changes in the gut microbiome composition and function are linked with chronic inflammatory diseases; this might also be the case for CD. The main aim of this manuscript is to discuss our present knowledge of the relationships between gut microbiota alterations and CD and to understand if there is any role for probiotics in CD therapy. PubMed was used to search for all of the studies published from November 2009 to November 2019 using key words such as “Celiac Disease” and “Microbiota” (306 articles), “Celiac Disease” and “Gastrointestinal Microbiome” (139), and “Probiotics” and “Celiac Disease” (97 articles). The search was limited to articles published in English that provided evidence-based data. Literature analysis showed that the gut microbiota has a well-established role in gluten metabolism, in modulating the immune response and in regulating the permeability of the intestinal barrier. Promising studies suggest a possible role of probiotics in treating and/or preventing CD. Nevertheless, human trials on the subject are still scarce and lack homogeneity. A possible role was documented for probiotics in improving CD-related symptoms, modulating the peripheral immune response and altering the fecal microbiota, although the results were not consistent in all of the studies. No evidence was found that probiotic administration might prevent CD onset. Knowledge of the role of intestinal bacteria in the development of CD opens new possibilities for its treatment through probiotic administration, even though further studies are needed to better clarify whether probiotics can help treat or prevent the disease and to define which probiotics to use, at what dose and for how long.
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Affiliation(s)
- Francesco Pecora
- Department of Medicine and Surgery, Pediatric Clinic, Pietro Barilla Children's Hospital, University of Parma, Parma, Italy
| | - Federica Persico
- Department of Medicine and Surgery, Pediatric Clinic, Pietro Barilla Children's Hospital, University of Parma, Parma, Italy
| | - Pierpacifico Gismondi
- Department of Medicine and Surgery, Pediatric Clinic, Pietro Barilla Children's Hospital, University of Parma, Parma, Italy
| | - Fabiola Fornaroli
- Unit of Gastroenterology and Digestive Endoscopy, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Silvia Iuliano
- Unit of Gastroenterology and Digestive Endoscopy, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Gian Luigi de'Angelis
- Unit of Gastroenterology and Digestive Endoscopy, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Susanna Esposito
- Department of Medicine and Surgery, Pediatric Clinic, Pietro Barilla Children's Hospital, University of Parma, Parma, Italy
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74
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Van Malderen K, De Winter BY, De Man JG, De Schepper HU, Lamote K. Volatomics in inflammatory bowel disease and irritable bowel syndrome. EBioMedicine 2020; 54:102725. [PMID: 32330874 PMCID: PMC7177032 DOI: 10.1016/j.ebiom.2020.102725] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 02/28/2020] [Accepted: 03/03/2020] [Indexed: 02/07/2023] Open
Abstract
Volatile organic compounds (VOCs) are produced by the human metabolism, inflammation and gut microbiota and form the basis of innovative volatomics research. VOCs detected through breath and faecal analysis hence serve as attractive, non-invasive biomarkers for diagnosing and monitoring irritable bowel syndrome (IBS) and inflammatory bowel disease (IBD). This review describes the clinical applicability of volatomics in discriminating between IBS, IBD and healthy volunteers with acceptable accuracy in breath (70%-100%) and faecal (58%-85%) samples. Promising compounds are propan-1-ol for diagnosing and monitoring of IBD patients, and 1-methyl-4-propan-2-ylcyclohexa-1,4-diene as biomarker for IBS diagnosis. However, these VOCs often seem to be related to inflammation and probably will need to be used in conjunction with other clinical evidence. Furthermore, three interventional studies underlined the potential of VOCs in predicting treatment outcome and patient follow-up. This shows great promise for future use of VOCs as non-invasive breath and faecal biomarkers in personalised medicine. However, properly designed studies that correlate VOCs to IBD/IBS pathogenesis, while taking microbial influences into account, are still key before clinical implementation can be expected.
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Affiliation(s)
- Kathleen Van Malderen
- Laboratory of Experimental Medicine and Paediatrics, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium; Infla-Med Research Consortium of Excellence, University of Antwerp, Antwerp, Belgium
| | - Benedicte Y De Winter
- Laboratory of Experimental Medicine and Paediatrics, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium; Infla-Med Research Consortium of Excellence, University of Antwerp, Antwerp, Belgium
| | - Joris G De Man
- Laboratory of Experimental Medicine and Paediatrics, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium; Infla-Med Research Consortium of Excellence, University of Antwerp, Antwerp, Belgium
| | - Heiko U De Schepper
- Laboratory of Experimental Medicine and Paediatrics, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium; Infla-Med Research Consortium of Excellence, University of Antwerp, Antwerp, Belgium; Antwerp University Hospital, Edegem, Belgium
| | - Kevin Lamote
- Laboratory of Experimental Medicine and Paediatrics, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium; Infla-Med Research Consortium of Excellence, University of Antwerp, Antwerp, Belgium; Internal Medicine and Paediatrics, Ghent University, Ghent, Belgium.
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de Almeida NEC, Esteves FG, Dos Santos-Pinto JRA, Peres de Paula C, da Cunha AF, Malavazi I, Palma MS, Rodrigues-Filho E. Digestion of Intact Gluten Proteins by Bifidobacterium Species: Reduction of Cytotoxicity and Proinflammatory Responses. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:4485-4492. [PMID: 32195585 DOI: 10.1021/acs.jafc.0c01421] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Celiac disease (CD) is a chronic illness characterized by an inflammatory process triggered by gluten protein intake. Recent evidence has suggested that the lower relative abundance of bifidobacteria in the intestinal lumen may be associated with CD. Herein, we assessed the effect of the Bifidobacterium species Bifidobacterium bifidum, Bifidobacterium longum, Bembidion breve, Bifidobacterium animalis alone, and also a Bifidobacterium consortium on the digestion of intact gluten proteins (gliadins and glutenins) and the associated immunomodulatory responses elicited by the resulting peptides. The cytotoxicity and proinflammatory responses were evaluated through the activation of NF-kB p65 and the expression of cytokines TNF-α and IL-1β in Caco-2 cell cultures exposed to gluten-derived peptides. The peptides induced a clear reduction in cytotoxic responses and proinflammatory marker levels compared to the gluten fragments generated during noninoculated gastrointestinal digestion. These results highlight the possible use of probiotics based on bifidobacteria as a prospective treatment for CD.
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Affiliation(s)
| | - Franciele Grego Esteves
- Center of Study of Social Insects, Department of Biology, Institute of Biosciences of Rio Claro, São Paulo State University (UNESP), Rio Claro, São Paulo 13506-900, Brazil
| | - José Roberto Aparecido Dos Santos-Pinto
- Center of Study of Social Insects, Department of Biology, Institute of Biosciences of Rio Claro, São Paulo State University (UNESP), Rio Claro, São Paulo 13506-900, Brazil
| | - Carla Peres de Paula
- Department of Genetics and Evolution, Biotechnology Graduate Program (PPGBiotec), Federal University of São Carlos, São Carlos, São Paulo 13565-905, Brazil
| | - Anderson Ferreira da Cunha
- Department of Genetics and Evolution, Biotechnology Graduate Program (PPGBiotec), Federal University of São Carlos, São Carlos, São Paulo 13565-905, Brazil
| | - Iran Malavazi
- Department of Genetics and Evolution, Biotechnology Graduate Program (PPGBiotec), Federal University of São Carlos, São Carlos, São Paulo 13565-905, Brazil
| | - Mario Sergio Palma
- Center of Study of Social Insects, Department of Biology, Institute of Biosciences of Rio Claro, São Paulo State University (UNESP), Rio Claro, São Paulo 13506-900, Brazil
| | - Edson Rodrigues-Filho
- Department of Chemistry, Federal University of São Carlos (UFSCar), São Carlos, São Paulo 13565-905, Brazil
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Stillhart C, Vučićević K, Augustijns P, Basit AW, Batchelor H, Flanagan TR, Gesquiere I, Greupink R, Keszthelyi D, Koskinen M, Madla CM, Matthys C, Miljuš G, Mooij MG, Parrott N, Ungell AL, de Wildt SN, Orlu M, Klein S, Müllertz A. Impact of gastrointestinal physiology on drug absorption in special populations––An UNGAP review. Eur J Pharm Sci 2020; 147:105280. [DOI: 10.1016/j.ejps.2020.105280] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Revised: 02/10/2020] [Accepted: 02/24/2020] [Indexed: 02/07/2023]
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77
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Bugda Gwilt K, González DP, Olliffe N, Oller H, Hoffing R, Puzan M, El Aidy S, Miller GM. Actions of Trace Amines in the Brain-Gut-Microbiome Axis via Trace Amine-Associated Receptor-1 (TAAR1). Cell Mol Neurobiol 2020; 40:191-201. [PMID: 31836967 DOI: 10.1007/s10571-019-00772-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Accepted: 12/04/2019] [Indexed: 12/13/2022]
Abstract
Trace amines and their primary receptor, Trace Amine-Associated Receptor-1 (TAAR1) are widely studied for their involvement in the pathogenesis of neuropsychiatric disorders despite being found in the gastrointestinal tract at physiological levels. With the emergence of the "brain-gut-microbiome axis," we take the opportunity to review what is known about trace amines in the brain, the defined sources of trace amines in the gut, and emerging understandings on the levels of trace amines in various gastrointestinal disorders. Similarly, we discuss localization of TAAR1 expression in the gut, novel findings that TAAR1 may be implicated in inflammatory bowel diseases, and the reported comorbidities of neuropsychiatric disorders and gastrointestinal disorders. With the emergence of TAAR1 specific compounds as next-generation therapeutics for schizophrenia (Roche) and Parkinson's related psychoses (Sunovion), we hypothesize a therapeutic benefit of these compounds in clinical trials in the brain-gut-microbiome axis, as well as a potential for thoughtful manipulation of the brain-gut-microbiome axis to modulate symptoms of neuropsychiatric disease.
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Affiliation(s)
- Katlynn Bugda Gwilt
- Department of Pharmaceutical Sciences, Bouvé College of Health Sciences, Northeastern University, Boston, MA, USA.
- Center for Drug Discovery, Northeastern University, Boston, MA, USA.
- Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, USA.
| | - Dulce Pamela González
- Department of Molecular Immunology and Microbiology, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen, Nijenborgh 7, 9747 AG, Groningen, The Netherlands
| | - Neva Olliffe
- Department of Pharmaceutical Sciences, Bouvé College of Health Sciences, Northeastern University, Boston, MA, USA
- Department of Biology, College of Science, Northeastern University, Boston, MA, USA
| | - Haley Oller
- Department of Pharmaceutical Sciences, Bouvé College of Health Sciences, Northeastern University, Boston, MA, USA
- Center for Drug Discovery, Northeastern University, Boston, MA, USA
| | - Rachel Hoffing
- Department of Pharmaceutical Sciences, Bouvé College of Health Sciences, Northeastern University, Boston, MA, USA
- Department of Biology, College of Science, Northeastern University, Boston, MA, USA
| | - Marissa Puzan
- Department of Chemical Engineering, College of Engineering, Northeastern University, Boston, MA, USA
| | - Sahar El Aidy
- Department of Molecular Immunology and Microbiology, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen, Nijenborgh 7, 9747 AG, Groningen, The Netherlands
| | - Gregory M Miller
- Department of Pharmaceutical Sciences, Bouvé College of Health Sciences, Northeastern University, Boston, MA, USA
- Center for Drug Discovery, Northeastern University, Boston, MA, USA
- Department of Chemical Engineering, College of Engineering, Northeastern University, Boston, MA, USA
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78
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Ashrafi M, Xu Y, Muhamadali H, White I, Wilkinson M, Hollywood K, Baguneid M, Goodacre R, Bayat A. A microbiome and metabolomic signature of phases of cutaneous healing identified by profiling sequential acute wounds of human skin: An exploratory study. PLoS One 2020; 15:e0229545. [PMID: 32106276 PMCID: PMC7046225 DOI: 10.1371/journal.pone.0229545] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 02/08/2020] [Indexed: 01/13/2023] Open
Abstract
Profiling skin microbiome and metabolome has been utilised to gain further insight into wound healing processes. The aims of this multi-part temporal study in 11 volunteers were to analytically profile the dynamic wound tissue and headspace metabolome and sequence microbial communities in acute wound healing at days 0, 7, 14, 21 and 28, and to investigate their relationship to wound healing, using non-invasive quantitative devices. Metabolites were obtained using tissue extraction, sorbent and polydimethylsiloxane patches and analysed using GCMS. PCA of wound tissue metabolome clearly separated time points with 10 metabolites of 346 being involved in separation. Analysis of variance-simultaneous component analysis identified a statistical difference between the wound headspace metabolome, sites (P = 0.0024) and time points (P<0.0001), with 10 out of the 129 metabolites measured involved with this separation between sites and time points. A reciprocal relationship between Staphylococcus spp. and Propionibacterium spp. was observed at day 21 (P<0.05) with a statistical correlation between collagen and Propionibacterium (r = 0.417; P = 0.038) and Staphylococcus (r = -0.434; P = 0.03). Procrustes analysis showed a statistically significant similarity between wound headspace and tissue metabolome with non-invasive wound devices. This exploratory study demonstrates the temporal and dynamic nature of acute wound metabolome and microbiome presenting a novel class of biomarkers that correspond to wound healing, with further confirmatory studies now necessary.
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Affiliation(s)
- Mohammed Ashrafi
- Plastic & Reconstructive Surgery Research, Division of Musculoskeletal & Dermatological Sciences, NIHR Manchester Biomedical Research Centre (BRC), University of Manchester, Manchester, United Kingdom
- Manchester University NHS Foundation Trust, Wythenshawe Hospital, Manchester, United Kingdom
- Bioengineering Group, School of Materials, University of Manchester, Manchester, United Kingdom
| | - Yun Xu
- School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, United Kingdom
- Department of Biochemistry, Institute of Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Howbeer Muhamadali
- School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, United Kingdom
- Department of Biochemistry, Institute of Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Iain White
- School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, United Kingdom
- Laboratory for Environmental and Life Sciences, University of Nova Gorica, Nova Gorica, Slovenia
| | - Maxim Wilkinson
- School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, United Kingdom
| | - Katherine Hollywood
- Manchester Centre for Synthetic Biology of Fine and Speciality Chemicals (SYNBIOCHEM), Manchester Institute of Biotechnology, The University of Manchester, Manchester, United Kingdom
| | - Mohamed Baguneid
- Manchester University NHS Foundation Trust, Wythenshawe Hospital, Manchester, United Kingdom
| | - Royston Goodacre
- School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, Manchester, United Kingdom
- Department of Biochemistry, Institute of Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Ardeshir Bayat
- Plastic & Reconstructive Surgery Research, Division of Musculoskeletal & Dermatological Sciences, NIHR Manchester Biomedical Research Centre (BRC), University of Manchester, Manchester, United Kingdom
- Manchester University NHS Foundation Trust, Wythenshawe Hospital, Manchester, United Kingdom
- Bioengineering Group, School of Materials, University of Manchester, Manchester, United Kingdom
- * E-mail:
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79
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Giorgi A, Cerrone R, Capobianco D, Filardo S, Mancini P, Zanni F, Fanelli S, Mastromarino P, Mosca L. A Probiotic Preparation Hydrolyzes Gliadin and Protects Intestinal Cells from the Toxicity of Pro-Inflammatory Peptides. Nutrients 2020; 12:nu12020495. [PMID: 32075195 PMCID: PMC7071319 DOI: 10.3390/nu12020495] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 02/05/2020] [Accepted: 02/11/2020] [Indexed: 12/20/2022] Open
Abstract
Celiac disease (CD) is an autoimmune enteropathy caused by an intolerance to gluten proteins. It has been hypothesized that probiotic bacteria may exert beneficial effects by modulating inflammatory processes and by sustaining peptide hydrolysis at the intestinal level. This study aims at evaluating the capacity of a probiotic mixture (two different strains of lactobacilli and three of bifidobacteria) to hydrolyze gluten peptides following simulated gastrointestinal digestion of gliadin (PT-gliadin). The capacity of bacterial hydrolysates to counteract the toxic effects of gliadin-derived peptides in Caco-2 cells was also assessed. The protein and peptide mixtures, untreated or proteolyzed with the probiotic preparation, were analyzed before and after each proteolytic step with different techniques (SDS-PAGE, reverse phase HPLC, filtration on different molecular cut-off membranes). These experiments demonstrated that PT-gliadin can be further digested by bacteria into lower molecular weight peptides. PT-gliadin, untreated or digested with the probiotics, was then used to evaluate oxidative stress, IL-6 cytokine production and expression of tight junctions’ proteins—such as occludin and zonulin—in Caco-2 cells. PT-gliadin induced IL-6 production and modulation and redistribution of zonulin and occludin, while digestion with the probiotic strains reversed these effects. Our data indicate that this probiotic mixture may exert a protective role in CD.
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Affiliation(s)
- Alessandra Giorgi
- Department of Biochemical Sciences, Sapienza University of Roma, 00185 Rome, Italy; (A.G.); (R.C.); (F.Z.); (S.F.)
| | - Rugiada Cerrone
- Department of Biochemical Sciences, Sapienza University of Roma, 00185 Rome, Italy; (A.G.); (R.C.); (F.Z.); (S.F.)
| | - Daniela Capobianco
- Department of Public Health and Infectious Diseases, Section of Microbiology, Sapienza University of Roma, 00185 Rome, Italy; (D.C.); (S.F.); (P.M.)
| | - Simone Filardo
- Department of Public Health and Infectious Diseases, Section of Microbiology, Sapienza University of Roma, 00185 Rome, Italy; (D.C.); (S.F.); (P.M.)
| | - Patrizia Mancini
- Department of Experimental Medicine, Sapienza University of Roma, 00161 Rome, Italy;
| | - Flavia Zanni
- Department of Biochemical Sciences, Sapienza University of Roma, 00185 Rome, Italy; (A.G.); (R.C.); (F.Z.); (S.F.)
| | - Sergio Fanelli
- Department of Biochemical Sciences, Sapienza University of Roma, 00185 Rome, Italy; (A.G.); (R.C.); (F.Z.); (S.F.)
| | - Paola Mastromarino
- Department of Public Health and Infectious Diseases, Section of Microbiology, Sapienza University of Roma, 00185 Rome, Italy; (D.C.); (S.F.); (P.M.)
| | - Luciana Mosca
- Department of Biochemical Sciences, Sapienza University of Roma, 00185 Rome, Italy; (A.G.); (R.C.); (F.Z.); (S.F.)
- Correspondence: ; Tel.: +39-064-9910-987
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80
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Metagenomic Analysis of Duodenal Microbiota Reveals a Potential Biomarker of Dysbiosis in the Course of Obesity and Type 2 Diabetes: A Pilot Study. J Clin Med 2020; 9:jcm9020369. [PMID: 32013181 PMCID: PMC7074165 DOI: 10.3390/jcm9020369] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 01/19/2020] [Accepted: 01/27/2020] [Indexed: 12/20/2022] Open
Abstract
Numerous scientific studies confirm that, apart from environmental and genetic factors, a significant role is played by gastrointestinal microbiota in the aetiology of type 2 diabetes and obesity. Currently, scientists mainly focus on the distal intestinal microbiota, while the equally important proximal parts of the intestine are overlooked. The aim of the study was a qualitative analysis of the structure of the duodenal mucosa microbiota in groups of patients with obesity and with type 2 diabetes and where obesity qualified for bariatric surgery: sleeve gastrectomy. The microbiological results obtained were compared with some clinical parameters. As a result, it was possible to determine the microbiological core that the treatment and control groups had in common, including phyla: Firmicutes, Proteobacteria, and Actinobacteria. The patients with obesity and with type 2 diabetes and obesity presented a significantly lower number of genus Bifidobacterium compared to healthy subjects. Furthermore, the numbers of Bifidobacterium were positively correlated with the high density lipoprotein (HDL) concentration in the groups under study. The obtained results indicate that bacteria of the genus Bifidobacterium should be considered in the future in the context of a potential biomarker in the progress of type 2 diabetes and obesity.
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81
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Vossen E, Goethals S, De Vrieze J, Boon N, Van Hecke T, De Smet S. Red and processed meat consumption within two different dietary patterns: Effect on the colon microbial community and volatile metabolites in pigs. Food Res Int 2019; 129:108793. [PMID: 32036914 DOI: 10.1016/j.foodres.2019.108793] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 10/29/2019] [Accepted: 10/30/2019] [Indexed: 02/07/2023]
Abstract
Pigs were fed either red and processed meat or chicken meat within either a prudent or a Western dietary pattern for four weeks (2 × 2 full factorial design). The colon microbial community and volatile organic compounds were assessed (either quantified or based on their presence). Results show that Lactobacilli were characteristic for the chicken × prudent dietary pattern treatment and Paraprevotella for the red and processed meat × prudent dietary pattern treatment. Enterobacteriaceae and Desulfovibrio were characteristic for the chicken × Western dietary pattern treatment and Butyrivibrio for the red and processed meat × Western dietary pattern treatment. Campylobacter was characteristic for chicken consumption and Clostridium XIVa for red and processed meat, irrespective of the dietary pattern. Ethyl valerate and 1-methylthio-propane were observed more frequently in pigs fed red and processed meat compared to chicken meat. The prevalence of 3-methylbutanal was >80% for pigs receiving a Western dietary pattern, whereas for pigs fed a prudent dietary pattern the prevalence was <35%. The concentration of butanoic acid was significantly higher when the prudent dietary pattern was given, compared to the Western dietary pattern, but no differences for other short chain fatty acids or protein fermentation products were observed.
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Affiliation(s)
- Els Vossen
- Laboratory for Animal Nutrition and Animal Product Quality, Department of Animal Sciences and Aquatic Ecology, Ghent University, Coupure Links 653, Ghent, Belgium
| | - Sophie Goethals
- Laboratory for Animal Nutrition and Animal Product Quality, Department of Animal Sciences and Aquatic Ecology, Ghent University, Coupure Links 653, Ghent, Belgium
| | - Jo De Vrieze
- Center for Microbial Ecology and Technology, Department of Biotechnology, Ghent University, Coupure Links 653, Ghent, Belgium
| | - Nico Boon
- Center for Microbial Ecology and Technology, Department of Biotechnology, Ghent University, Coupure Links 653, Ghent, Belgium
| | - Thomas Van Hecke
- Laboratory for Animal Nutrition and Animal Product Quality, Department of Animal Sciences and Aquatic Ecology, Ghent University, Coupure Links 653, Ghent, Belgium
| | - Stefaan De Smet
- Laboratory for Animal Nutrition and Animal Product Quality, Department of Animal Sciences and Aquatic Ecology, Ghent University, Coupure Links 653, Ghent, Belgium.
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82
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Ristori MV, Quagliariello A, Reddel S, Ianiro G, Vicari S, Gasbarrini A, Putignani L. Autism, Gastrointestinal Symptoms and Modulation of Gut Microbiota by Nutritional Interventions. Nutrients 2019; 11:nu11112812. [PMID: 31752095 PMCID: PMC6893818 DOI: 10.3390/nu11112812] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 11/07/2019] [Accepted: 11/13/2019] [Indexed: 02/07/2023] Open
Abstract
Autism spectrum disorder (ASD) is a complex behavioral syndrome that is characterized by speech and language disorders, intellectual impairment, learning and motor dysfunctions. Several genetic and environmental factors are suspected to affect the ASD phenotype including air pollution, exposure to pesticides, maternal infections, inflammatory conditions, dietary factors or consumption of antibiotics during pregnancy. Many children with ASD shows abnormalities in gastrointestinal (GI) physiology, including increased intestinal permeability, overall microbiota alterations, and gut infection. Moreover, they are "picky eaters" and the existence of specific sensory patterns in ASD patients could represent one of the main aspects in hampering feeding. GI disorders are associated with an altered composition of the gut microbiota. Gut microbiome is able to communicate with brain activities through microbiota-derived signaling molecules, immune mediators, gut hormones as well as vagal and spinal afferent neurons. Since the diet induces changes in the intestinal microbiota and in the production of molecules, such as the SCFA, we wanted to investigate the role that nutritional intervention can have on GI microbiota composition and thus on its influence on behavior, GI symptoms and microbiota composition and report which are the beneficial effect on ASD conditions.
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Affiliation(s)
- Maria Vittoria Ristori
- Unit of Human Microbiome, Children’s Hospital and Research Institute “Bambino Gesù”, IRCCS, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (M.V.R.); (A.Q.); (S.R.)
| | - Andrea Quagliariello
- Unit of Human Microbiome, Children’s Hospital and Research Institute “Bambino Gesù”, IRCCS, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (M.V.R.); (A.Q.); (S.R.)
| | - Sofia Reddel
- Unit of Human Microbiome, Children’s Hospital and Research Institute “Bambino Gesù”, IRCCS, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (M.V.R.); (A.Q.); (S.R.)
| | - Gianluca Ianiro
- Dipartimento di Gastroenterologia, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo A. Gemelli 8, 00168 Rome, Italy;
| | - Stefano Vicari
- Neuropsichiatria dell’infanzia e dell’adolescenza, Children’s Hospital and Research Institute “Bambino Gesù”, IRCCS, Piazza Sant’Onofrio 4, 00165 Rome, Italy;
| | - Antonio Gasbarrini
- Istituto di Patologia Speciale Medica, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
- UOC Medicina Interna e Gastroenterologia, Area Gastroenterologia ed Oncologia Medica, Dipartimento di Scienze Gastroenterologiche, Endocrino-Metaboliche e Nefro-Urologiche, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Correspondence: (A.G.); (L.P.); Tel.: +39-0668-59-4127 (L.P.)
| | - Lorenza Putignani
- Units of Parasitology and Human Microbiome, Children’s Hospital and Research Institute “Bambino Gesù”, IRCCS, Piazza Sant’Onofrio 4, 00165 Rome, Italy
- Correspondence: (A.G.); (L.P.); Tel.: +39-0668-59-4127 (L.P.)
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83
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Rinninella E, Cintoni M, Raoul P, Lopetuso LR, Scaldaferri F, Pulcini G, Miggiano GAD, Gasbarrini A, Mele MC. Food Components and Dietary Habits: Keys for a Healthy Gut Microbiota Composition. Nutrients 2019; 11:E2393. [PMID: 31591348 PMCID: PMC6835969 DOI: 10.3390/nu11102393] [Citation(s) in RCA: 331] [Impact Index Per Article: 66.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 09/25/2019] [Accepted: 09/27/2019] [Indexed: 02/06/2023] Open
Abstract
The gut microbiota is a changing ecosystem, containing trillions of bacteria, continuously shaped by many factors, such as dietary habits, seasonality, lifestyle, stress, antibiotics use, or diseases. A healthy host-microorganisms balance must be respected in order to optimally maintain the intestinal barrier and immune system functions and, consequently, prevent disease development. In the past several decades, the adoption of modern dietary habits has become a growing health concern, as it is strongly associated with obesity and related metabolic diseases, promoting inflammation and both structural and behavioral changes in gut microbiota. In this context, novel dietary strategies are emerging to prevent diseases and maintain health. However, the consequences of these different diets on gut microbiota modulation are still largely unknown, and could potentially lead to alterations of gut microbiota, intestinal barrier, and the immune system. The present review aimed to focus on the impact of single food components (macronutrients and micronutrients), salt, food additives, and different dietary habits (i.e., vegan and vegetarian, gluten-free, ketogenic, high sugar, low FODMAP, Western-type, and Mediterranean diets) on gut microbiota composition in order to define the optimal diet for a healthy modulation of gut microbiota.
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Affiliation(s)
- Emanuele Rinninella
- UOC di Nutrizione Clinica, Dipartimento di Scienze Gastroenterologiche, Endocrino‑Metaboliche e Nefro‑Urologiche, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo A. Gemelli 8, 00168 Rome, Italy.
- Istituto di Patologia Speciale Medica, Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy.
| | - Marco Cintoni
- Scuola di Specializzazione in Scienza dell'Alimentazione, Università di Roma Tor Vergata, Via Montpellier 1, 00133 Rome, Italy.
| | - Pauline Raoul
- Istituto di Patologia Speciale Medica, Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy.
| | - Loris Riccardo Lopetuso
- Istituto di Patologia Speciale Medica, Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy.
- UOC di Medicina Interna e Gastroenterologia, Dipartimento di Scienze Gastroenterologiche, Endocrino‑Metaboliche e Nefro‑Urologiche, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo A. Gemelli 8, 00168 Rome, Italy.
| | - Franco Scaldaferri
- Istituto di Patologia Speciale Medica, Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy.
- UOC di Medicina Interna e Gastroenterologia, Dipartimento di Scienze Gastroenterologiche, Endocrino‑Metaboliche e Nefro‑Urologiche, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo A. Gemelli 8, 00168 Rome, Italy.
| | - Gabriele Pulcini
- Scuola di Specializzazione in Scienza dell'Alimentazione, Università di Roma Tor Vergata, Via Montpellier 1, 00133 Rome, Italy.
| | - Giacinto Abele Donato Miggiano
- UOC di Nutrizione Clinica, Dipartimento di Scienze Gastroenterologiche, Endocrino‑Metaboliche e Nefro‑Urologiche, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo A. Gemelli 8, 00168 Rome, Italy.
- Istituto di Patologia Speciale Medica, Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy.
| | - Antonio Gasbarrini
- Istituto di Patologia Speciale Medica, Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy.
- UOC di Medicina Interna e Gastroenterologia, Dipartimento di Scienze Gastroenterologiche, Endocrino‑Metaboliche e Nefro‑Urologiche, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo A. Gemelli 8, 00168 Rome, Italy.
| | - Maria Cristina Mele
- UOC di Nutrizione Clinica, Dipartimento di Scienze Gastroenterologiche, Endocrino‑Metaboliche e Nefro‑Urologiche, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo A. Gemelli 8, 00168 Rome, Italy.
- Istituto di Patologia Speciale Medica, Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy.
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84
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The Gut Microbiota in Celiac Disease and probiotics. Nutrients 2019; 11:nu11102375. [PMID: 31590358 PMCID: PMC6836185 DOI: 10.3390/nu11102375] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 10/01/2019] [Accepted: 10/02/2019] [Indexed: 02/07/2023] Open
Abstract
Celiac disease (CeD) is an immune-mediated enteropathy, and unique in that the specific trigger is known: gluten. The current mainstay of therapy is a gluten-free diet (GFD). As novel therapies are being developed, complementary strategies are also being studied, such as modulation of the gut microbiome. The gut microbiota is involved in the initiation and perpetuation of intestinal inflammation in several chronic diseases. Intestinal dysbiosis has been reported in CeD patients, untreated or treated with GFD, compared to healthy subjects. Several studies have identified differential bacterial populations associated with CeD patients and healthy subjects. However, it is still not clear if intestinal dysbiosis is the cause or effect of CeD. Probiotics have also been considered as a strategy to modulate the gut microbiome to an anti-inflammatory state. However, there is a paucity of data to support their use in treating CeD. Further studies are needed with therapeutic microbial formulations combined with human trials on the use of probiotics to treat CeD by restoring the gut microbiome to an anti-inflammatory state.
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85
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Kumar A, Allison A, Henry M, Scales A, Fouladkhah AC. Development of Salmonellosis as Affected by Bioactive Food Compounds. Microorganisms 2019; 7:microorganisms7090364. [PMID: 31540475 PMCID: PMC6780870 DOI: 10.3390/microorganisms7090364] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 09/15/2019] [Accepted: 09/17/2019] [Indexed: 02/07/2023] Open
Abstract
Infections caused by Salmonella serovars are the leading cause of foodborne hospitalizations and deaths in Americans, extensively prevalent worldwide, and pose a considerable financial burden on public health infrastructure and private manufacturing. While a comprehensive review is lacking for delineating the role of dietary components on prevention of Salmonellosis, evidence for the role of diet for preventing the infection and management of Salmonellosis symptoms is increasing. The current study is an evaluation of preclinical and clinical studies and their underlying mechanisms to elaborate the efficacy of bioactive dietary components for augmenting the prevention of Salmonella infection. Studies investigating dietary components such as fibers, fatty acids, amino acids, vitamins, minerals, phenolic compounds, and probiotics exhibited efficacy of dietary compounds against Salmonellosis through manipulation of host bile acids, mucin, epithelial barrier, innate and adaptive immunity and gut microbiota as well as impacting the cellular signaling cascades of the pathogen. Pre-clinical studies investigating synergism and/or antagonistic activities of various bioactive compounds, additional randomized clinical trials, if not curtailed by lack of equipoise and ethical concerns, and well-planned epidemiological studies could augment the development of a validated and evidence-based guideline for mitigating the public health burden of human Salmonellosis through dietary compounds.
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Affiliation(s)
- Ajay Kumar
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, University of Virginia School of Medicine, Charlottesville, VA 22908, USA.
| | - Abimbola Allison
- Public Health Microbiology Laboratory, Tennessee State University, Nashville, TN 37209, USA.
| | - Monica Henry
- Public Health Microbiology Laboratory, Tennessee State University, Nashville, TN 37209, USA.
| | - Anita Scales
- Public Health Microbiology Laboratory, Tennessee State University, Nashville, TN 37209, USA.
| | - Aliyar Cyrus Fouladkhah
- Public Health Microbiology Laboratory, Tennessee State University, Nashville, TN 37209, USA.
- Cooperative Extension Program, Tennessee State University, Nashville, TN 37209, USA.
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86
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Douny C, Dufourny S, Brose F, Verachtert P, Rondia P, Lebrun S, Marzorati M, Everaert N, Delcenserie V, Scippo ML. Development of an analytical method to detect short-chain fatty acids by SPME-GC–MS in samples coming from an in vitro gastrointestinal model. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1124:188-196. [DOI: 10.1016/j.jchromb.2019.06.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 06/04/2019] [Accepted: 06/06/2019] [Indexed: 10/26/2022]
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87
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Abstract
PURPOSE OF REVIEW Celiac disease (CD) is an autoimmune enteropathy triggered by gluten. The purpose of this review is to examine the major genetic and environmental factors that contribute to CD pathogenesis. RECENT FINDINGS We reviewed the current state of knowledge on the genetic and environmental components that play a role in CD onset. A genome-wide association study (GWAS) analysis has highlighted several genes other than HLA involved in CD. Recent studies have shown that HLA haplotype influences the microbiome composition in infants and that dysbiosis in the intestinal microflora, in turn, contributes to loss of tolerance to gluten. Recently, observational studies have discussed the hypothesis stating that breast-feeding had a protective role against CD onset. CD etiology is influenced by genetic and environmental factors. A better understanding of these components would deepen our knowledge on the mechanisms that lead to loss of tolerance and could help in developing a more "personalized medicine."
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88
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Hirschberg S, Gisevius B, Duscha A, Haghikia A. Implications of Diet and The Gut Microbiome in Neuroinflammatory and Neurodegenerative Diseases. Int J Mol Sci 2019; 20:ijms20123109. [PMID: 31242699 PMCID: PMC6628344 DOI: 10.3390/ijms20123109] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 06/13/2019] [Accepted: 06/20/2019] [Indexed: 12/20/2022] Open
Abstract
Within the last century, human lifestyle and dietary behaviors have changed dramatically. These changes, especially concerning hygiene, have led to a marked decrease in some diseases, i.e., infectious diseases. However, other diseases that can be attributed to the so-called ‘Western’ lifestyle have increased, i.e., metabolic and cardiovascular disorders. More recently, multifactorial disorders, such as autoimmune and neurodegenerative diseases, have been associated with changes in diet and the gut microbiome. In particular, short chain fatty acid (SCFA)-producing bacteria are of high interest. SCFAs are the main metabolites produced by bacteria and are often reduced in a dysbiotic state, causing an inflammatory environment. Based on advanced technologies, high-resolution investigations of the abundance and composition of the commensal microbiome are now possible. These techniques enable the assessment of the relationship between the gut microbiome, its metabolome and gut-associated immune and neuronal cells. While a growing number of studies have shown the indirect impact of gut metabolites, mediated by alterations of immune-mediated mechanisms, the direct influence of these compounds on cells of the central nervous system needs to be further elucidated. For instance, the SCFA propionic acid (PA) increases the amount of intestine-derived regulatory T cells, which furthermore can positively affect the central nervous system (CNS), e.g., by increasing remyelination. However, the question of if and how PA can directly interact with CNS-resident cells is a matter of debate. In this review, we discuss the impact of an altered microbiome composition in relation to various diseases and discuss how the commensal microbiome is shaped, starting from the beginning of human life.
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Affiliation(s)
- Sarah Hirschberg
- Department of Neurology, Ruhr-University Bochum, St. Josef-Hospital Bochum, Gudrunstr. 56, 44791 Bochum, Germany.
| | - Barbara Gisevius
- Department of Neurology, Ruhr-University Bochum, St. Josef-Hospital Bochum, Gudrunstr. 56, 44791 Bochum, Germany.
| | - Alexander Duscha
- Department of Neurology, Ruhr-University Bochum, St. Josef-Hospital Bochum, Gudrunstr. 56, 44791 Bochum, Germany.
| | - Aiden Haghikia
- Department of Neurology, Ruhr-University Bochum, St. Josef-Hospital Bochum, Gudrunstr. 56, 44791 Bochum, Germany.
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Labruna G, Nanayakkara M, Pagliuca C, Nunziato M, Iaffaldano L, D'Argenio V, Colicchio R, Budelli AL, Nigro R, Salvatore P, Barone MV, Sacchetti L. Celiac disease-associated Neisseria flavescens decreases mitochondrial respiration in CaCo-2 epithelial cells: Impact of Lactobacillus paracasei CBA L74 on bacterial-induced cellular imbalance. Cell Microbiol 2019; 21:e13035. [PMID: 31042331 PMCID: PMC6618323 DOI: 10.1111/cmi.13035] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Revised: 04/10/2019] [Accepted: 04/22/2019] [Indexed: 12/16/2022]
Abstract
We previously identified a Neisseria flavescens strain in the duodenum of celiac disease (CD) patients that induced immune inflammation in ex vivo duodenal mucosal explants and in CaCo‐2 cells. We also found that vesicular trafficking was delayed after the CD‐immunogenic P31‐43 gliadin peptide‐entered CaCo‐2 cells and that Lactobacillus paracasei CBA L74 (L. paracasei‐CBA) supernatant reduced peptide entry. In this study, we evaluated if metabolism and trafficking was altered in CD‐N. flavescens‐infected CaCo‐2 cells and if any alteration could be mitigated by pretreating cells with L. paracasei‐CBA supernatant, despite the presence of P31‐43. We measured CaCo‐2 bioenergetics by an extracellular flux analyser, N. flavescens and P31‐43 intracellular trafficking by immunofluorescence, cellular stress by TBARS assay, and ATP by bioluminescence. We found that CD‐N. flavescens colocalised more than control N. flavescens with early endocytic vesicles and more escaped autophagy thereby surviving longer in infected cells. P31‐43 increased colocalisation of N. flavescens with early vesicles. Mitochondrial respiration was lower (P < .05) in CD‐N. flavescens‐infected cells versus not‐treated CaCo‐2 cells, whereas pretreatment with L. paracasei‐CBA reduced CD‐N. flavescens viability and improved cell bioenergetics and trafficking. In conclusion, CD‐N. flavescens induces metabolic imbalance in CaCo‐2 cells, and the L. paracasei‐CBA probiotic could be used to correct CD‐associated dysbiosis.
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Affiliation(s)
- Giuseppe Labruna
- IRCCS (Istituto di Ricovero e Cura a Carattere Scientifico) SDN, Naples, Italy
| | - Merlin Nanayakkara
- Dipartimento di Scienze Mediche Traslazionali and European Laboratory for the Investigation of Food Induced Disease (ELFID), Università degli Studi di Napoli Federico II, Naples, Italy
| | - Chiara Pagliuca
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, Naples, Italy
| | - Marcella Nunziato
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, Naples, Italy.,CEINGE-Biotecnologie Avanzate SCarl, Naples, Italy
| | | | - Valeria D'Argenio
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, Naples, Italy.,CEINGE-Biotecnologie Avanzate SCarl, Naples, Italy.,Task Force on Microbiome Studies, Università degli Studi di Napoli Federico II and CEINGE-Biotecnologie Avanzate SCarl, Naples, Italy
| | - Roberta Colicchio
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, Naples, Italy
| | | | - Roberto Nigro
- Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale, Università di Napoli Federico II, Naples, Italy
| | - Paola Salvatore
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, Naples, Italy
| | - Maria Vittoria Barone
- Dipartimento di Scienze Mediche Traslazionali and European Laboratory for the Investigation of Food Induced Disease (ELFID), Università degli Studi di Napoli Federico II, Naples, Italy
| | - Lucia Sacchetti
- CEINGE-Biotecnologie Avanzate SCarl, Naples, Italy.,Task Force on Microbiome Studies, Università degli Studi di Napoli Federico II and CEINGE-Biotecnologie Avanzate SCarl, Naples, Italy
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90
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Jacob M, Lopata AL, Dasouki M, Abdel Rahman AM. Metabolomics toward personalized medicine. MASS SPECTROMETRY REVIEWS 2019; 38:221-238. [PMID: 29073341 DOI: 10.1002/mas.21548] [Citation(s) in RCA: 215] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Accepted: 09/14/2017] [Indexed: 05/21/2023]
Abstract
Metabolomics, which is the metabolites profiling in biological matrices, is a key tool for biomarker discovery and personalized medicine and has great potential to elucidate the ultimate product of the genomic processes. Over the last decade, metabolomics studies have identified several relevant biomarkers involved in complex clinical phenotypes using diverse biological systems. Most diseases result in signature metabolic profiles that reflect the sums of external and internal cellular activities. Metabolomics has a major role in clinical practice as it represents >95% of the workload in clinical laboratories worldwide. Many of these metabolites require different analytical platforms, such as Nuclear Magnetic Resonance (NMR), Mass Spectrometry (MS), and Ultra Performance Liquid Chromatography (UPLC), while many clinically relevant metabolites are still not routinely amenable to detection using currently available assays. Combining metabolomics with genomics, transcriptomics, and proteomics studies will result in a significantly improved understanding of the disease mechanisms and the pathophysiology of the target clinical phenotype. This comprehensive approach will represent a major step forward toward providing precision medical care, in which individual is accounted for variability in genes, environment, and personal lifestyle. In this review, we compare and evaluate the metabolomics strategies and studies that focus on the discovery of biomarkers that have "personalized" diagnostic, prognostic, and therapeutic value, validated for monitoring disease progression and responses to various management regimens.
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Affiliation(s)
- Minnie Jacob
- Department of Genetics, King Faisal Specialist Hospital and Research Center (KFSH-RC), Riyadh, Saudi Arabia
- Department of Molecular and Cell Biology, Australian Institute of Tropical Health and Medicine, James Cook University, Townsville, QLD, Australia
| | - Andreas L Lopata
- Department of Molecular and Cell Biology, Australian Institute of Tropical Health and Medicine, James Cook University, Townsville, QLD, Australia
| | - Majed Dasouki
- Department of Genetics, King Faisal Specialist Hospital and Research Center (KFSH-RC), Riyadh, Saudi Arabia
| | - Anas M Abdel Rahman
- Department of Genetics, King Faisal Specialist Hospital and Research Center (KFSH-RC), Riyadh, Saudi Arabia
- College of Medicine, Al Faisal University, Riyadh, Saudi Arabia
- Department of Chemistry, Memorial University of Newfoundland, St. John's, NL, Canada
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91
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Drabińska N, Jarocka-Cyrta E, Ratcliffe NM, Krupa-Kozak U. The Profile of Urinary Headspace Volatile Organic Compounds After 12-Week Intake of Oligofructose-Enriched Inulin by Children and Adolescents with Celiac Disease on a Gluten-Free Diet: Results of a Pilot, Randomized, Placebo-Controlled Clinical Trial. Molecules 2019; 24:E1341. [PMID: 30959740 PMCID: PMC6479364 DOI: 10.3390/molecules24071341] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 04/01/2019] [Accepted: 04/04/2019] [Indexed: 12/26/2022] Open
Abstract
The concentration of volatile organic compounds (VOCs) can inform about the metabolic condition of the body. In the small intestine of untreated persons with celiac disease (CD), chronic inflammation can occur, leading to nutritional deficiencies, and consequently to functional impairments of the whole body. Metabolomic studies showed differences in the profile of VOCs in biological fluids of patients with CD in comparison to healthy persons; however, there is scarce quantitative and nutritional intervention information. The aim of this study was to evaluate the effect of the supplementation of a gluten-free diet (GFD) with prebiotic oligofructose-enriched inulin (Synergy 1) on the concentration of VOCs in the urine of children and adolescents with CD. Twenty-three participants were randomized to the group receiving Synergy 1 (10 g per day) or placebo for 12 weeks. Urinary VOCs were analyzed using solid-phase microextraction and gas chromatography⁻mass spectrometry. Sixteen compounds were identified and quantified in urine samples. The supplementation of GFD with Synergy 1 resulted in an average concentration drop (36%) of benzaldehyde in urine samples. In summary, Synergy 1, applied as a supplement of GFD for 12 weeks had a moderate impact on the VOC concentrations in the urine of children with CD.
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Affiliation(s)
- Natalia Drabińska
- Department of Chemistry and Biodynamics of Food, Institute of Animal Reproduction and Food Research of Polish Academy of Sciences, Tuwima 10 Str., 10-748 Olsztyn, Poland.
| | - Elżbieta Jarocka-Cyrta
- Department of Pediatrics, Gastroenterology, and Nutrition, Collegium Medicum, University of Warmia & Mazury, Oczapowskiego 2 Str., 10-719 Olsztyn, Poland.
| | - Norman Mark Ratcliffe
- Institute of Biosensor Technology, the University of the West of England, University of the West of England, Coldharbour Lane, Frenchay, Bristol BS16 1QY, UK.
| | - Urszula Krupa-Kozak
- Department of Chemistry and Biodynamics of Food, Institute of Animal Reproduction and Food Research of Polish Academy of Sciences, Tuwima 10 Str., 10-748 Olsztyn, Poland.
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92
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Tovaglieri A, Sontheimer-Phelps A, Geirnaert A, Prantil-Baun R, Camacho DM, Chou DB, Jalili-Firoozinezhad S, de Wouters T, Kasendra M, Super M, Cartwright MJ, Richmond CA, Breault DT, Lacroix C, Ingber DE. Species-specific enhancement of enterohemorrhagic E. coli pathogenesis mediated by microbiome metabolites. MICROBIOME 2019; 7:43. [PMID: 30890187 PMCID: PMC6425591 DOI: 10.1186/s40168-019-0650-5] [Citation(s) in RCA: 93] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Accepted: 02/21/2019] [Indexed: 05/24/2023]
Abstract
BACKGROUND Species-specific differences in tolerance to infection are exemplified by the high susceptibility of humans to enterohemorrhagic Escherichia coli (EHEC) infection, whereas mice are relatively resistant to this pathogen. This intrinsic species-specific difference in EHEC infection limits the translation of murine research to human. Furthermore, studying the mechanisms underlying this differential susceptibility is a difficult problem due to complex in vivo interactions between the host, pathogen, and disparate commensal microbial communities. RESULTS We utilize organ-on-a-chip (Organ Chip) microfluidic culture technology to model damage of the human colonic epithelium induced by EHEC infection, and show that epithelial injury is greater when exposed to metabolites derived from the human gut microbiome compared to mouse. Using a multi-omics approach, we discovered four human microbiome metabolites-4-methyl benzoic acid, 3,4-dimethylbenzoic acid, hexanoic acid, and heptanoic acid-that are sufficient to mediate this effect. The active human microbiome metabolites preferentially induce expression of flagellin, a bacterial protein associated with motility of EHEC and increased epithelial injury. Thus, the decreased tolerance to infection observed in humans versus other species may be due in part to the presence of compounds produced by the human intestinal microbiome that actively promote bacterial pathogenicity. CONCLUSION Organ-on-chip technology allowed the identification of specific human microbiome metabolites modulating EHEC pathogenesis. These identified metabolites are sufficient to increase susceptibility to EHEC in our human Colon Chip model and they contribute to species-specific tolerance. This work suggests that higher concentrations of these metabolites could be the reason for higher susceptibility to EHEC infection in certain human populations, such as children. Furthermore, this research lays the foundation for therapeutic-modulation of microbe products in order to prevent and treat human bacterial infection.
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Affiliation(s)
- Alessio Tovaglieri
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
- Department of Health Sciences and Technology, ETH Zurich, 8092, Zurich, Switzerland
| | - Alexandra Sontheimer-Phelps
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
- Department of Biology, University of Freiburg, 79085, Freiburg, Germany
| | - Annelies Geirnaert
- Department of Health Sciences and Technology, ETH Zurich, 8092, Zurich, Switzerland
| | - Rachelle Prantil-Baun
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
| | - Diogo M Camacho
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
| | - David B Chou
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
- Department of Pathology, Massachusetts General Hospital, Boston, MA, 02115, USA
| | - Sasan Jalili-Firoozinezhad
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
- Department of Bioengineering and iBB, Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, 1649-004, Lisbon, Portugal
| | - Tomás de Wouters
- Department of Health Sciences and Technology, ETH Zurich, 8092, Zurich, Switzerland
| | - Magdalena Kasendra
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
- Present Address: Emulate Inc., 27 Drydock Avenue, Boston, MA, 02210, USA
| | - Michael Super
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
| | - Mark J Cartwright
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
| | - Camilla A Richmond
- Division of Gastroenterology, Boston Children's Hospital, Boston, MA, 02115, USA
- Department of Pediatrics, Harvard Medical School, Boston, MA, 02115, USA
- Harvard Stem Cell Institute, Harvard University, Boston, MA, 02139, USA
| | - David T Breault
- Department of Pediatrics, Harvard Medical School, Boston, MA, 02115, USA
- Harvard Stem Cell Institute, Harvard University, Boston, MA, 02139, USA
- Division of Endocrinology, Boston Children's Hospital, Boston, MA, 02115, USA
| | - Christophe Lacroix
- Department of Health Sciences and Technology, ETH Zurich, 8092, Zurich, Switzerland
| | - Donald E Ingber
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA.
- Vascular Biology Program and Department of Surgery, Boston Children's Hospital and Harvard Medical School, Boston, MA, 02115, USA.
- Harvard John A. Paulson School of Engineering and Applied Sciences, Cambridge, MA, 02139, USA.
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93
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Francavilla R, Piccolo M, Francavilla A, Polimeno L, Semeraro F, Cristofori F, Castellaneta S, Barone M, Indrio F, Gobbetti M, De Angelis M. Clinical and Microbiological Effect of a Multispecies Probiotic Supplementation in Celiac Patients With Persistent IBS-type Symptoms: A Randomized, Double-Blind, Placebo-controlled, Multicenter Trial. J Clin Gastroenterol 2019; 53:e117-e125. [PMID: 29688915 PMCID: PMC6382041 DOI: 10.1097/mcg.0000000000001023] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 02/08/2018] [Indexed: 02/07/2023]
Abstract
GOALS The goals of this study were to evaluate the efficacy and safety of a probiotic mixture in patients with celiac disease (CD) with irritable bowel syndrome (IBS)-type symptoms despite a strict gluten-free diet (GFD). BACKGROUND About 30% of patients with CD adherent to a GFD suffer from IBS-type symptoms; a possible cause resides in the imbalances of the intestinal microbiota in CD. Probiotics may represent a potential treatment. STUDY CD patients with IBS-type symptoms entered a prospective, double-blind, randomized placebo-controlled study. A 6-week treatment period was preceded by a 2-week run-in and followed by a 6-week follow-up phase. Clinical data were monitored throughout the study by validated questionnaires: IBS Severity Scoring System (IBS-SSS); Gastrointestinal Symptom Rating Scale (GSRS); Bristol Stool Form Scale (BSFS); and IBS Quality of Life Questionnaire (IBS-QOL). The fecal microbiota were assayed using plate counts and 16S rRNA gene-based analysis. RESULTS In total, 109 patients were randomized to probiotics (n=54) or placebo (n=55). IBS-SSS and GSRS decreased significantly in probiotics, as compared with placebo [(-15.9%±14.8% vs. 8.2%±25.9%; P<0.001) and (-19.8%±16.6% vs. 12.9%±31.6%; P<0.001)], respectively. Treatment success was significantly higher in patients receiving probiotics, as compared with placebo (15.3% vs. 3.8%; P<0.04). Presumptive lactic acid bacteria, Staphylococcus and Bifidobacterium, increased in patients receiving probiotic treatment. No adverse events were reported. CONCLUSIONS A 6-week probiotic treatment is effective in improving the severity of IBS-type symptoms, in CD patients on strict GFD, and is associated with a modification of gut microbiota, characterized by an increase of bifidobacteria.
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Affiliation(s)
| | | | | | | | | | | | | | - Michele Barone
- Department of Emergency and Organ Transplantation, University of Bari Aldo Moro
| | | | - Marco Gobbetti
- Faculty of Science and Technology, Piazza Università, Free University of Bozen, Bolzano, Italy
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94
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Reddel S, Putignani L, Del Chierico F. The Impact of Low-FODMAPs, Gluten-Free, and Ketogenic Diets on Gut Microbiota Modulation in Pathological Conditions. Nutrients 2019; 11:nu11020373. [PMID: 30759766 PMCID: PMC6413021 DOI: 10.3390/nu11020373] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 02/04/2019] [Accepted: 02/05/2019] [Indexed: 12/12/2022] Open
Abstract
The gut microbiota performs several essential protective, structural, and metabolic functions for host health. The maintenance of a beneficial microbiota requires a homeostatic equilibrium within microbial communities, and between the microorganisms and the host. The gut microbiota composition may be affected by external factors, among them diet habits may be considered most important. In some pathological conditions such as irritable bowel syndrome (IBS), celiac disease (CD), or neurological disorders (ND), specific dietary regimens as low-fermentable, oligo-, di-, mono-saccharides and polyols (FODMAPs), ketogenic (KD), and gluten-free (GFD) diets are considered therapeutic. These kinds of diets are characterized by a reduction or exclusion of a specific nutrient from the entire dietary pattern. Despite these alimentary regimens showing beneficial effects on disease symptoms, they can affect microbiota composition, especially if they are protracted for a long time. To date, only a few studies have reported the effects of these diets on gut microbiota. In this review, we discuss the effects of low-FODMAPs, KD, and GFD on gut microbiota modulation in pathological conditions, advancing the possibility of depicting a balanced diet and developing personalized dietary intervention protocols.
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Affiliation(s)
- Sofia Reddel
- Human Microbiome Unit, Bambino Gesù Children's Hospital, IRCCS, 00165 Rome, Italy.
| | - Lorenza Putignani
- Human Microbiome Unit, Bambino Gesù Children's Hospital, IRCCS, 00165 Rome, Italy.
- Parasitology Unit, Bambino Gesù Children's Hospital, IRCCS, 00165 Rome, Italy.
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95
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Melini V, Melini F. Gluten-Free Diet: Gaps and Needs for a Healthier Diet. Nutrients 2019; 11:E170. [PMID: 30650530 PMCID: PMC6357014 DOI: 10.3390/nu11010170] [Citation(s) in RCA: 130] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 12/27/2018] [Accepted: 01/11/2019] [Indexed: 02/06/2023] Open
Abstract
The gluten-free diet (GFD) is currently the only effective treatment in remitting the symptoms of coeliac disease (CD), a chronic systemic autoimmune disorder caused by a permanent intolerance to gluten proteins in genetically susceptible individuals. The diet entails the substitution of gluten-containing products with gluten-free-rendered products. However, over recent decades the nutritional profile of gluten-free (GF) food products has been increasingly questioned within the scientific community. The aim of this paper is to review the nutritional profile of gluten-free-rendered products currently available on the market, and discuss the possible relationship thereof with the nutritional status of coeliac patients on a GFD. Key inadequacies of currently available GF products are low protein content and a high fat and salt content. More adequate levels of dietary fiber and sugar than in the past have been reported. Population studies confirmed the above mentioned inadequacies. Further efforts are required to conceive adoptable interventions for product development and reformulation in order to achieve compliance with nutritional recommendations.
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Affiliation(s)
- Valentina Melini
- CREA Research Centre for Food and Nutrition; Via Ardeatina 546, I-00178 Rome, Italy.
| | - Francesca Melini
- CREA Research Centre for Food and Nutrition; Via Ardeatina 546, I-00178 Rome, Italy.
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96
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Saa DLT, Nissen L, Gianotti A. Metabolomic approach to study the impact of flour type and fermentation process on volatile profile of bakery products. Food Res Int 2019; 119:510-516. [PMID: 30884683 DOI: 10.1016/j.foodres.2019.01.024] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 12/21/2018] [Accepted: 01/10/2019] [Indexed: 02/06/2023]
Abstract
Metabolomic approaches applied to fermented foods are at the state of the science and represent a robust and reliable approach to identify, quantify and characterise the biochemical profiles of raw materials and transformed products. The outcomes so far obtained are cornerstones to understand mainly nutritional and sensorial inherent features. Formulations of new bakery products with increased nutritional values is trending the market, but sensorial attributes still need to be improved to reach a wider audience. The present work describes the application of gas chromatography-mass spectrometry (GC-MS) and electronic nose analyses, to investigate over the volatilome of different bakery products, obtained from mature and immature grains (KAMUT® khorasan and durum wheat) and transformed by a sourdough made of Lactobacillus spp. and Saccharomyces cerevisiae. From the recipient results has emerged that the sensors used can distinguish the KAMUT® khorasan doughs fermented industrially at the fully ripe stage, the same doughs at the milky stage and KAMUT® khorasan sourdough at the fully ripe stage. Electronic nose allowed discriminating between different types of flours and GC-MS indicated the volatilome of sourdough KAMUT® khorasan case as the most promising. Thus, the combination of different independent variables in the bread process to improve the sensorial quality of the product, when is backed by metabolomics, represents an effective approach to study, characterise and exploit the sensorial quality of breads.
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Affiliation(s)
- Danielle Laure Taneyo Saa
- Department of Agricultural and Food Science and Technology (DISTAL), University of Bologna, Via Fanin, 50, 40127 Bologna, Italy.
| | - Lorenzo Nissen
- Department of Agricultural and Food Science and Technology (DISTAL), University of Bologna, Via Fanin, 50, 40127 Bologna, Italy
| | - Andrea Gianotti
- Department of Agricultural and Food Science and Technology (DISTAL), University of Bologna, Via Fanin, 50, 40127 Bologna, Italy
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97
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Lerner A, O'Bryan T, Matthias T. Navigating the Gluten-Free Boom: The Dark Side of Gluten Free Diet. Front Pediatr 2019; 7:414. [PMID: 31681712 PMCID: PMC6803387 DOI: 10.3389/fped.2019.00414] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Accepted: 09/26/2019] [Indexed: 12/18/2022] Open
Abstract
In gluten dependent conditions the gluten free diet is the cornerstone of therapy, decreasing disease activity, improving health and quality of life and treating or preventing the associated complications. Gluten withdrawal implies strict and lifelong elimination not only of wheat, barley, rye, and wheat-contaminated oats, but also of numerous non-nutritional products where components of wheat are often added. Due to multiple reasons the diet is difficult to follow and the long-term adherence is decreased with time. The present review summarizes the dark side of gluten restriction where nutritional deficiencies, toxicity, morbidity, mortality, and mental health problems are reported. The aim being to increase awareness, avoid, detect and treat the side effects and to promote a healthier nutrition, for the patient's benefits.
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Affiliation(s)
| | - Thomas O'Bryan
- Gastroenterology, Clinical Practice and Institute of Functional Medicine, The National University of Health Sciences, San Diego, CA, United States
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Abstract
Celiac disease (CD) is a T cell-mediated inflammatory autoimmune disorder of the upper small intestine caused by the ingestion of gluten. It is increasingly recognized as a global problem by experts and societies. The diagnosis of CD is of crucial importance because its delay strongly affects patient's health and quality of life. The diagnosis of CD is, however, complex and requires reliable, sensitive, specific, rapid, simple, and cost-effective, as well-as non-invasive analytical tools. There is also a high demand to develop simple point-of-care (POC) tests for non-specialists at home or in doctors' offices. Analytical techniques are now moving toward the development of fast, more simple, non-invasive, and POC analyses. The present review focuses on recent advances of CD biomarker detection in body fluids, concerning CD specific autoantibody detection in blood and saliva using electrochemical, optic-fiber, and piezoelectric biosensors and POC finger-prick tests, and identifying CD characteristic volatile organic compounds (VOCs) in urine and feces.
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99
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Vernocchi P, Del Chierico F, Russo A, Majo F, Rossitto M, Valerio M, Casadei L, La Storia A, De Filippis F, Rizzo C, Manetti C, Paci P, Ercolini D, Marini F, Fiscarelli EV, Dallapiccola B, Lucidi V, Miccheli A, Putignani L. Gut microbiota signatures in cystic fibrosis: Loss of host CFTR function drives the microbiota enterophenotype. PLoS One 2018; 13:e0208171. [PMID: 30521551 PMCID: PMC6283533 DOI: 10.1371/journal.pone.0208171] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 11/13/2018] [Indexed: 02/08/2023] Open
Abstract
Background Cystic fibrosis (CF) is a disorder affecting the respiratory, digestive, reproductive systems and sweat glands. This lethal hereditary disease has known or suspected links to the dysbiosis gut microbiota. High-throughput meta-omics-based approaches may assist in unveiling this complex network of symbiosis modifications. Objectives The aim of this study was to provide a predictive and functional model of the gut microbiota enterophenotype of pediatric patients affected by CF under clinical stability. Methods Thirty-one fecal samples were collected from CF patients and healthy children (HC) (age range, 1–6 years) and analysed using targeted-metagenomics and metabolomics to characterize the ecology and metabolism of CF-linked gut microbiota. The multidimensional data were low fused and processed by chemometric classification analysis. Results The fused metagenomics and metabolomics based gut microbiota profile was characterized by a high abundance of Propionibacterium, Staphylococcus and Clostridiaceae, including Clostridium difficile, and a low abundance of Eggerthella, Eubacterium, Ruminococcus, Dorea, Faecalibacterium prausnitzii, and Lachnospiraceae, associated with overexpression of 4-aminobutyrate (GABA), choline, ethanol, propylbutyrate, and pyridine and low levels of sarcosine, 4-methylphenol, uracil, glucose, acetate, phenol, benzaldehyde, and methylacetate. The CF gut microbiota pattern revealed an enterophenotype intrinsically linked to disease, regardless of age, and with dysbiosis uninduced by reduced pancreatic function and only partially related to oral antibiotic administration or lung colonization/infection. Conclusions All together, the results obtained suggest that the gut microbiota enterophenotypes of CF, together with endogenous and bacterial CF biomarkers, are direct expression of functional alterations at the intestinal level. Hence, it’s possible to infer that CFTR impairment causes the gut ecosystem imbalance.This new understanding of CF host-gut microbiota interactions may be helpful to rationalize novel clinical interventions to improve the affected children’s nutritional status and intestinal function.
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Affiliation(s)
- Pamela Vernocchi
- Unit of Human Microbiome, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | | | - Alessandra Russo
- Unit of Human Microbiome, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Fabio Majo
- Cystic Fibrosis Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Martina Rossitto
- Diagnostics of Cystic Fibrosis, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | | | - Luca Casadei
- Department of Chemistry, Sapienza University of Rome, Rome, Italy
| | - Antonietta La Storia
- Department of Agricultural Sciences, Division of Microbiology, University of Naples Federico II, Portici, Napoli, Italy
| | - Francesca De Filippis
- Department of Agricultural Sciences, Division of Microbiology, University of Naples Federico II, Portici, Napoli, Italy
| | - Cristiano Rizzo
- Division of Metabolism, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Cesare Manetti
- Department of Environmental Biology; Sapienza University of Rome, Rome, Italy
| | - Paola Paci
- CNR-Institute for Systems Analysis and Computer Science (IASI), Rome, Italy
| | - Danilo Ercolini
- Department of Agricultural Sciences, Division of Microbiology, University of Naples Federico II, Portici, Napoli, Italy
| | - Federico Marini
- Department of Chemistry, Sapienza University of Rome, Rome, Italy
| | | | - Bruno Dallapiccola
- Scientific Directorate, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Vincenzina Lucidi
- Cystic Fibrosis Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Alfredo Miccheli
- Department of Chemistry, Sapienza University of Rome, Rome, Italy
| | - Lorenza Putignani
- Unit of Human Microbiome, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
- Unit of Parasitology Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
- * E-mail:
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100
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Probiotics in Celiac Disease. Nutrients 2018; 10:nu10121824. [PMID: 30477107 PMCID: PMC6316269 DOI: 10.3390/nu10121824] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 11/06/2018] [Accepted: 11/15/2018] [Indexed: 02/06/2023] Open
Abstract
Recently, the interest in the human microbiome and its interplay with the host has exploded and provided new insights on its role in conferring host protection and regulating host physiology, including the correct development of immunity. However, in the presence of microbial imbalance and particular genetic settings, the microbiome may contribute to the dysfunction of host metabolism and physiology, leading to pathogenesis and/or the progression of several diseases. Celiac disease (CD) is a chronic autoimmune enteropathy triggered by dietary gluten exposure in genetically predisposed individuals. Despite ascertaining that gluten is the trigger in CD, evidence has indicated that intestinal microbiota is somehow involved in the pathogenesis, progression, and clinical presentation of CD. Indeed, several studies have reported imbalances in the intestinal microbiota of patients with CD that are mainly characterized by an increased abundance of Bacteroides spp. and a decrease in Bifidobacterium spp. The evidence that some of these microbial imbalances still persist in spite of a strict gluten-free diet and that celiac patients suffering from persistent gastrointestinal symptoms have a desert gut microbiota composition further support its close link with CD. All of this evidence gives rise to the hypothesis that probiotics might play a role in this condition. In this review, we describe the recent scientific evidences linking the gut microbiota in CD, starting from the possible role of microbes in CD pathogenesis, the attempt to define a microbial signature of disease, the effect of a gluten-free diet and host genetic assets regarding microbial composition to end in the exploration of the proof of concept of probiotic use in animal models to the most recent clinical application of selected probiotic strains.
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