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Roszkowska P, Klimczak E, Ostrycharz E, Rączka A, Wojciechowska-Koszko I, Dybus A, Cheng YH, Yu YH, Mazgaj S, Hukowska-Szematowicz B. Small Intestinal Bacterial Overgrowth (SIBO) and Twelve Groups of Related Diseases-Current State of Knowledge. Biomedicines 2024; 12:1030. [PMID: 38790992 PMCID: PMC11117733 DOI: 10.3390/biomedicines12051030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Revised: 05/01/2024] [Accepted: 05/03/2024] [Indexed: 05/26/2024] Open
Abstract
The human gut microbiota creates a complex microbial ecosystem, characterized by its high population density, wide diversity, and complex interactions. Any imbalance of the intestinal microbiome, whether qualitative or quantitative, may have serious consequences for human health, including small intestinal bacterial overgrowth (SIBO). SIBO is defined as an increase in the number of bacteria (103-105 CFU/mL), an alteration in the bacterial composition, or both in the small intestine. The PubMed, Science Direct, Web of Science, EMBASE, and Medline databases were searched for studies on SIBO and related diseases. These diseases were divided into 12 groups: (1) gastrointestinal disorders; (2) autoimmune disease; (3) cardiovascular system disease; (4) metabolic disease; (5) endocrine disorders; (6) nephrological disorders; (7) dermatological diseases; (8) neurological diseases (9); developmental disorders; (10) mental disorders; (11) genetic diseases; and (12) gastrointestinal cancer. The purpose of this comprehensive review is to present the current state of knowledge on the relationships between SIBO and these 12 disease groups, taking into account risk factors and the causal context. This review fills the evidence gap on SIBO and presents a biological-medical approach to the problem, clearly showing the groups and diseases having a proven relationship with SIBO, as well as indicating groups within which research should continue to be expanded.
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Affiliation(s)
- Paulina Roszkowska
- Department of Diagnostic Immunology, Pomeranian Medical University, st. Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland; (P.R.); (I.W.-K.)
| | - Emilia Klimczak
- Institute of Biology, University of Szczecin, st. Z. Felczaka 3c, 71-412 Szczecin, Poland; (E.K.); (E.O.); (S.M.)
| | - Ewa Ostrycharz
- Institute of Biology, University of Szczecin, st. Z. Felczaka 3c, 71-412 Szczecin, Poland; (E.K.); (E.O.); (S.M.)
- Doctoral School, University of Szczecin, st. A. Mickiewicz 16, 71-412 Szczecin, Poland
- Molecular Biology and Biotechnology Center, University of Szczecin, st. Wąska 13, 71-412 Szczecin, Poland
| | - Aleksandra Rączka
- Department of Genetics, West Pomeranian University of Technology, st. Aleja Piastów 45, 70-311 Szczecin, Poland; (A.R.); (A.D.)
| | - Iwona Wojciechowska-Koszko
- Department of Diagnostic Immunology, Pomeranian Medical University, st. Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland; (P.R.); (I.W.-K.)
| | - Andrzej Dybus
- Department of Genetics, West Pomeranian University of Technology, st. Aleja Piastów 45, 70-311 Szczecin, Poland; (A.R.); (A.D.)
| | - Yeong-Hsiang Cheng
- Department of Biotechnology and Animal Science, National Ilan University, Yilan 26047, Taiwan; (Y.-H.C.); (Y.-H.Y.)
| | - Yu-Hsiang Yu
- Department of Biotechnology and Animal Science, National Ilan University, Yilan 26047, Taiwan; (Y.-H.C.); (Y.-H.Y.)
| | - Szymon Mazgaj
- Institute of Biology, University of Szczecin, st. Z. Felczaka 3c, 71-412 Szczecin, Poland; (E.K.); (E.O.); (S.M.)
| | - Beata Hukowska-Szematowicz
- Institute of Biology, University of Szczecin, st. Z. Felczaka 3c, 71-412 Szczecin, Poland; (E.K.); (E.O.); (S.M.)
- Molecular Biology and Biotechnology Center, University of Szczecin, st. Wąska 13, 71-412 Szczecin, Poland
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Suprunowicz M, Tomaszek N, Urbaniak A, Zackiewicz K, Modzelewski S, Waszkiewicz N. Between Dysbiosis, Maternal Immune Activation and Autism: Is There a Common Pathway? Nutrients 2024; 16:549. [PMID: 38398873 PMCID: PMC10891846 DOI: 10.3390/nu16040549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 02/05/2024] [Accepted: 02/15/2024] [Indexed: 02/25/2024] Open
Abstract
Autism spectrum disorder (ASD) is a neuropsychiatric condition characterized by impaired social interactions and repetitive stereotyped behaviors. Growing evidence highlights an important role of the gut-brain-microbiome axis in the pathogenesis of ASD. Research indicates an abnormal composition of the gut microbiome and the potential involvement of bacterial molecules in neuroinflammation and brain development disruptions. Concurrently, attention is directed towards the role of short-chain fatty acids (SCFAs) and impaired intestinal tightness. This comprehensive review emphasizes the potential impact of maternal gut microbiota changes on the development of autism in children, especially considering maternal immune activation (MIA). The following paper evaluates the impact of the birth route on the colonization of the child with bacteria in the first weeks of life. Furthermore, it explores the role of pro-inflammatory cytokines, such as IL-6 and IL-17a and mother's obesity as potentially environmental factors of ASD. The purpose of this review is to advance our understanding of ASD pathogenesis, while also searching for the positive implications of the latest therapies, such as probiotics, prebiotics or fecal microbiota transplantation, targeting the gut microbiota and reducing inflammation. This review aims to provide valuable insights that could instruct future studies and treatments for individuals affected by ASD.
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Affiliation(s)
| | | | | | | | - Stefan Modzelewski
- Department of Psychiatry, Medical University of Bialystok, pl. Wołodyjowskiego 2, 15-272 Białystok, Poland; (M.S.); (N.T.); (A.U.); (K.Z.); (N.W.)
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Wu JF, Tseng PH, Chang HH, Chiang CM, Lin WH, Hsu WM, Chang MH. The prevalence and impact of small intestine bacterial overgrowth in biliary atresia patients. Pediatr Res 2024; 95:302-307. [PMID: 37726543 DOI: 10.1038/s41390-023-02818-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 08/04/2023] [Accepted: 08/30/2023] [Indexed: 09/21/2023]
Abstract
BACKGROUND Acute cholangitis is an ominous complication in biliary atresia (BA) patients. We investigated the prevalence of small intestine bacterial overgrowth (SIBO) in BA patients and its role in predicting acute cholangitis. METHODS There are 69 BA patients with native liver recruited into this study prospectively. They received hydrogen and methane-based breath testing (HMBT) to detect SIBO after recruitment and were followed prospectively in our institute. RESULTS There are 16 (23.19%) subjects detected to have SIBO by HMBT. BA subjects with SIBO were noted to have higher serum alanine aminotransferase levels than others without SIBO (P = 0.03). The risk of acute cholangitis is significantly higher in BA patients with SIBO than in others without SIBO (62.50% vs. 15.09%, P < 0.001). The logistic regression analysis demonstrated that BA subjects with SIBO have a higher risk of acute cholangitis than others without SIBO (odds ratio = 9.38, P = 0.001). Cox's proportional hazard analysis further confirmed the phenomena in survival analysis (hazard ratio = 6.43, P < 0.001). CONCLUSIONS The prevalence of SIBO in BA patients is 23.19% in this study. The presence of SIBO is associated with the occurrence of acute cholangitis in BA patients. IMPACT What is the key message of your article? Acute cholangitis is common in BA, and is associated with SIBO after hepatoportoenterostomy in this study. What does it add to the existing literature? This study demonstrated that SIBO is common in BA after hepatoportoenterostomy, and is predictive of acute cholangitis and elevated serum ALT levels in BA. What is the impact? This prospective cohort study provides data regarding the significance of SIBO on the risk of acute cholangitis in BA patients.
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Affiliation(s)
- Jia-Feng Wu
- Department of Pediatrics, National Taiwan University Hospital, Taipei, Taiwan
| | - Ping-Huei Tseng
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Hsiu-Hao Chang
- Department of Pediatrics, National Taiwan University Hospital, Taipei, Taiwan
| | - Che-Ming Chiang
- Department of Pediatrics, National Taiwan University Hospital, Taipei, Taiwan
- Department of Pediatrics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Wen-Hsi Lin
- Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan
| | - Wen-Ming Hsu
- Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan
| | - Mei-Hwei Chang
- Department of Pediatrics, National Taiwan University Hospital, Taipei, Taiwan.
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Cho YK, Lee J, Paik CN. Prevalence, risk factors, and treatment of small intestinal bacterial overgrowth in children. Clin Exp Pediatr 2023; 66:377-383. [PMID: 37599259 PMCID: PMC10475858 DOI: 10.3345/cep.2022.00969] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 12/15/2022] [Accepted: 12/22/2022] [Indexed: 08/22/2023] Open
Abstract
Small intestinal bacterial overgrowth (SIBO) is defined as the presence of an excessive number of bacteria within the small bowel. Pediatric SIBO is a heterogeneous disorder that manifests as various symptoms ranging from mild gastrointestinal symptoms to malabsorption or malnutrition. The carbohydrate breath test is a commonly used, safe, and noninvasive diagnostic test; however, a standardized methodology is lacking. Multiple factors, such as neuromuscular disorders, systemic diseases, chronic drug use, or altered intestinal anatomy that disturb intestinal motility or induce an abnormality in the body's defense systems against intestinal bacteria, predispose children to SIBO. The high prevalence and similar symptoms of SIBO in functional gastrointestinal disorders, including irritable bowel syndrome, suggest an association between them. The principles of treatment include managing predisposing conditions, nutritional support, symptom control, and antibacterial treatment. Rifaximin is the most commonly used drug. To date, studies of antibiotic treatment in pediatric populations with irritable bowel syndrome or SIBO are lacking and have shown mixed results. Here we review the prevalence, diagnostic tests, and treatment results in pediatric populations.
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Affiliation(s)
- Yu Kyung Cho
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jin Lee
- Department of Pediatrics, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Chang Nyol Paik
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
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Zarezadeh M, Mahmoudinezhad M, Hosseini B, Khorraminezhad L, Razaghi M, Alvandi E, Saedisomeolia A. Dietary pattern in autism increases the need for probiotic supplementation: A comprehensive narrative and systematic review on oxidative stress hypothesis. Clin Nutr 2023; 42:1330-1358. [PMID: 37418842 DOI: 10.1016/j.clnu.2023.06.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/15/2023] [Accepted: 06/11/2023] [Indexed: 07/09/2023]
Abstract
Autism spectrum disorders (ASDs) are associated with specific dietary habits, including limited food selection and gastrointestinal problems, resulting in an altered gut microbiota. Autistic patients have an elevated abundance of certain gut bacteria associated with increased oxidative stress in the gastrointestinal tract. Probiotic supplementation has been shown to decrease oxidative stress in a simulated gut model, but the antioxidant effects of probiotics on the oxidative stress of the gut in autistic patients have not been directly studied. However, it is speculated that probiotic supplementation may help decrease oxidative stress in the gastrointestinal tract of autistic patients due to their specific dietary habits altering the microbiota. PubMed, Scopus and Web of Science databases and Google Scholar were searched up to May 2023. This systematic-narrative review aims to present the latest evidence regarding the changes in eating habits of autistic children which may further increase the gut microbiota induced oxidative stress. Additionally, this review will assess the available literature on the effects of probiotic supplementation on oxidative stress parameters.
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Affiliation(s)
- Meysam Zarezadeh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Banafshe Hosseini
- Clinical Research and Knowledge Transfer Unit on Childhood Asthma, Research Centre, Sainte-Justine University Health Centre, Montreal, QC H3T 1C5, Canada
| | - Leila Khorraminezhad
- School of Human Nutrition, McGill University, Ste-Anne-de-Bellevue, Québec, Canada
| | - Maryam Razaghi
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Ehsan Alvandi
- School of Medicine, Western Sydney University, NSW, Australia
| | - Ahmad Saedisomeolia
- School of Human Nutrition, McGill University, Ste-Anne-de-Bellevue, Québec, Canada.
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Efremova I, Maslennikov R, Poluektova E, Vasilieva E, Zharikov Y, Suslov A, Letyagina Y, Kozlov E, Levshina A, Ivashkin V. Epidemiology of small intestinal bacterial overgrowth. World J Gastroenterol 2023; 29:3400-3421. [PMID: 37389240 PMCID: PMC10303511 DOI: 10.3748/wjg.v29.i22.3400] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 03/31/2023] [Accepted: 05/11/2023] [Indexed: 06/06/2023] Open
Abstract
Small intestinal bacterial overgrowth (SIBO) is defined as an increase in the bacterial content of the small intestine above normal values. The presence of SIBO is detected in 33.8% of patients with gastroenterological complaints who underwent a breath test, and is significantly associated with smoking, bloating, abdominal pain, and anemia. Proton pump inhibitor therapy is a significant risk factor for SIBO. The risk of SIBO increases with age and does not depend on gender or race. SIBO complicates the course of a number of diseases and may be of pathogenetic significance in the development of their symptoms. SIBO is significantly associated with functional dyspepsia, irritable bowel syndrome, functional abdominal bloating, functional constipation, functional diarrhea, short bowel syndrome, chronic intestinal pseudo-obstruction, lactase deficiency, diverticular and celiac diseases, ulcerative colitis, Crohn’s disease, cirrhosis, metabolic-associated fatty liver disease (MAFLD), primary biliary cholangitis, gastroparesis, pancreatitis, cystic fibrosis, gallstone disease, diabetes, hypothyroidism, hyperlipidemia, acromegaly, multiple sclerosis, autism, Parkinson’s disease, systemic sclerosis, spondylarthropathy, fibromyalgia, asthma, heart failure, and other diseases. The development of SIBO is often associated with a slowdown in orocecal transit time that decreases the normal clearance of bacteria from the small intestine. The slowdown of this transit may be due to motor dysfunction of the intestine in diseases of the gut, autonomic diabetic polyneuropathy, and portal hypertension, or a decrease in the motor-stimulating influence of thyroid hormones. In a number of diseases, including cirrhosis, MAFLD, diabetes, and pancreatitis, an association was found between disease severity and the presence of SIBO. Further work on the effect of SIBO eradication on the condition and prognosis of patients with various diseases is required.
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Affiliation(s)
- Irina Efremova
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119435, Russia
| | - Roman Maslennikov
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119435, Russia
- The Scientific Community for Human Microbiome Research, Moscow 119435, Russia
| | - Elena Poluektova
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119435, Russia
- The Scientific Community for Human Microbiome Research, Moscow 119435, Russia
| | - Ekaterina Vasilieva
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119435, Russia
| | - Yury Zharikov
- Department of Human Anatomy and Histology, Sechenov University, Moscow 125009, Russia
| | - Andrey Suslov
- Department of Human Anatomy and Histology, Sechenov University, Moscow 125009, Russia
| | - Yana Letyagina
- N.V. Sklifosovsky Institute of Clinical Medicine, Sechenov University, Moscow 119991, Russia
| | - Evgenii Kozlov
- Department of Clinical Immunology and Allergy, Sechenov University, Moscow 119991, Russia
| | - Anna Levshina
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119435, Russia
- Department of Clinical Immunology and Allergy, Sechenov University, Moscow 119991, Russia
| | - Vladimir Ivashkin
- Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow 119435, Russia
- The Scientific Community for Human Microbiome Research, Moscow 119435, Russia
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Bicknell B, Liebert A, Borody T, Herkes G, McLachlan C, Kiat H. Neurodegenerative and Neurodevelopmental Diseases and the Gut-Brain Axis: The Potential of Therapeutic Targeting of the Microbiome. Int J Mol Sci 2023; 24:9577. [PMID: 37298527 PMCID: PMC10253993 DOI: 10.3390/ijms24119577] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 04/28/2023] [Accepted: 05/23/2023] [Indexed: 06/12/2023] Open
Abstract
The human gut microbiome contains the largest number of bacteria in the body and has the potential to greatly influence metabolism, not only locally but also systemically. There is an established link between a healthy, balanced, and diverse microbiome and overall health. When the gut microbiome becomes unbalanced (dysbiosis) through dietary changes, medication use, lifestyle choices, environmental factors, and ageing, this has a profound effect on our health and is linked to many diseases, including lifestyle diseases, metabolic diseases, inflammatory diseases, and neurological diseases. While this link in humans is largely an association of dysbiosis with disease, in animal models, a causative link can be demonstrated. The link between the gut and the brain is particularly important in maintaining brain health, with a strong association between dysbiosis in the gut and neurodegenerative and neurodevelopmental diseases. This link suggests not only that the gut microbiota composition can be used to make an early diagnosis of neurodegenerative and neurodevelopmental diseases but also that modifying the gut microbiome to influence the microbiome-gut-brain axis might present a therapeutic target for diseases that have proved intractable, with the aim of altering the trajectory of neurodegenerative and neurodevelopmental diseases such as Alzheimer's disease, Parkinson's disease, multiple sclerosis, autism spectrum disorder, and attention-deficit hyperactivity disorder, among others. There is also a microbiome-gut-brain link to other potentially reversible neurological diseases, such as migraine, post-operative cognitive dysfunction, and long COVID, which might be considered models of therapy for neurodegenerative disease. The role of traditional methods in altering the microbiome, as well as newer, more novel treatments such as faecal microbiome transplants and photobiomodulation, are discussed.
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Affiliation(s)
- Brian Bicknell
- NICM Health Research Institute, University of Western Sydney, Westmead, NSW 2145, Australia; (A.L.); (H.K.)
| | - Ann Liebert
- NICM Health Research Institute, University of Western Sydney, Westmead, NSW 2145, Australia; (A.L.); (H.K.)
- Faculty of Medicine and Health, University of Sydney, Camperdown, NSW 2006, Australia
- Department of Governance and Research, Sydney Adventist Hospital, Wahroonga, NSW 2076, Australia;
| | - Thomas Borody
- Centre for Digestive Diseases, Five Dock, NSW 2046, Australia;
| | - Geoffrey Herkes
- Department of Governance and Research, Sydney Adventist Hospital, Wahroonga, NSW 2076, Australia;
| | - Craig McLachlan
- Centre for Healthy Futures, Torrens University Australia, Ultimo, NSW 2007, Australia;
| | - Hosen Kiat
- NICM Health Research Institute, University of Western Sydney, Westmead, NSW 2145, Australia; (A.L.); (H.K.)
- Centre for Healthy Futures, Torrens University Australia, Ultimo, NSW 2007, Australia;
- Macquarie Medical School, Macquarie University, Macquarie Park, NSW 2109, Australia
- ANU College of Health and Medicine, Australian National University, Canberra, ACT 2601, Australia
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The interaction between intestinal bacterial metabolites and phosphatase and tensin homolog in autism spectrum disorder. Mol Cell Neurosci 2023; 124:103805. [PMID: 36592799 DOI: 10.1016/j.mcn.2022.103805] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 11/17/2022] [Accepted: 12/24/2022] [Indexed: 01/01/2023] Open
Abstract
Intestinal bacteria-associated para-cresyl sulfate (pCS) and 4-ethylphenyl sulfate (4EPS) are elevated in autism spectrum disorder (ASD). Both metabolites can induce ASD-like behaviors in mice, but the molecular mechanisms are not known. Phosphatase and tensin homolog (PTEN) is a susceptibility gene for ASD. The present study investigated the relation between pCS and 4EPS and PTEN in ASD in a valproic acid (VPA)-induced murine ASD model and an in vitro LPS-activated microglial model. The VPA-induced intestinal inflammation and compromised permeability in the distal ileum was not associated with changes of PTEN expression and phosphorylation. In contrast, VPA reduced PTEN expression in the hippocampus of mice. In vitro results show that pCS and 4EPS reduced PTEN expression and derailed innate immune response of BV2 microglial cells. The PTEN inhibitor VO-OHpic did not affect innate immune response of microglial cells. In conclusion, PTEN does not play a role in intestinal inflammation and compromised permeability in VPA-induced murine model for ASD. Although pCS and 4EPS reduced PTEN expression in microglial cells, PTEN is not involved in the pCS and 4EPS-induced derailed innate immune response of microglial cells. Further studies are needed to investigate the possible involvement of reduced PTEN expression in the ASD brain regarding synapse function and neuronal connectivity.
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Sroka N, Rydzewska-Rosołowska A, Kakareko K, Rosołowski M, Głowińska I, Hryszko T. Show Me What You Have Inside-The Complex Interplay between SIBO and Multiple Medical Conditions-A Systematic Review. Nutrients 2022; 15:nu15010090. [PMID: 36615748 PMCID: PMC9824151 DOI: 10.3390/nu15010090] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 12/18/2022] [Accepted: 12/20/2022] [Indexed: 12/28/2022] Open
Abstract
The microbiota, as a complex of microorganisms in a particular ecosystem, is part of the wider term-microbiome, which is defined as the set of all genetic content in the microbial community. Imbalanced gut microbiota has a great impact on the homeostasis of the organism. Dysbiosis, as a disturbance in bacterial balance, might trigger or exacerbate the course of different pathologies. Small intestinal bacterial overgrowth (SIBO) is a disorder characterized by differences in quantity, quality, and location of the small intestine microbiota. SIBO underlies symptoms associated with functional gastrointestinal disorders (FGD) as well as may alter the presentation of chronic diseases such as heart failure, diabetes, etc. In recent years there has been growing interest in the influence of SIBO and its impact on the whole human body as well as individual systems. Therefore, we aimed to investigate the co-existence of SIBO with different medical conditions. The PubMed database was searched up to July 2022 and we found 580 original studies; inclusion and exclusion criteria let us identify 112 eligible articles, which are quoted in this paper. The present SIBO diagnostic methods could be divided into two groups-invasive, the gold standard-small intestine aspirate culture, and non-invasive, breath tests (BT). Over the years scientists have explored SIBO and its associations with other diseases. Its role has been confirmed not only in gastroenterology but also in cardiology, endocrinology, neurology, rheumatology, and nephrology. Antibiotic therapy could reduce SIBO occurrence resulting not only in the relief of FGD symptoms but also manifestations of comorbid diseases. Although more research is needed, the link between SIBO and other diseases is an important pathway for scientists to follow.
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Affiliation(s)
- Natalia Sroka
- 2nd Department of Nephrology and Hypertension with Dialysis Unit, Medical University of Białystok, 15-276 Białystok, Poland
- Correspondence:
| | - Alicja Rydzewska-Rosołowska
- 2nd Department of Nephrology and Hypertension with Dialysis Unit, Medical University of Białystok, 15-276 Białystok, Poland
| | - Katarzyna Kakareko
- 2nd Department of Nephrology and Hypertension with Dialysis Unit, Medical University of Białystok, 15-276 Białystok, Poland
| | - Mariusz Rosołowski
- Department of Internal Medicine and Hypertension, Medical University of Białystok, 15-540 Białystok, Poland
| | - Irena Głowińska
- 2nd Department of Nephrology and Hypertension with Dialysis Unit, Medical University of Białystok, 15-276 Białystok, Poland
| | - Tomasz Hryszko
- 2nd Department of Nephrology and Hypertension with Dialysis Unit, Medical University of Białystok, 15-276 Białystok, Poland
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Alibek K, Niyazmetova L, Farmer S, Isakov T. Persistent Inflammation Initiated by TORCH Infections and Dysbiotic Microbiome in Autism Spectrum Disorders: A Prospect for Future Interventions. RESEARCH IDEAS AND OUTCOMES 2022. [DOI: 10.3897/rio.8.e91179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Autism spectrum disorders (ASD) are a range of neurodevelopmental conditions that are clinically present early in childhood with the symptoms of social withdrawal and repetitive behavior. Despite an extensive research on ASD, no commonly accepted theory on the disease etiology exists. Hence, we reviewed several scientific publications, including reviews, preclinical and clinical investigations, and published hypotheses to analyze various opinions on the nature and cause of the disorder. Many studies suggest that infections and inflammation during pregnancy play a significant role in genetic and epigenetic changes in the developing fetus, resulting in an autistic phenotype in a child. Still, there is a lack of comprehensive literature about the multitude of autism inducing factors. Therefore, this article reviews and discusses available scientific evidence on the roles of viral, bacterial, fungal, and parasitic infections, overactivation of the immune system, and intestinal microflora in the pathogenesis and clinical manifestation of ASD. The overview of the scientific publications, including our own studies, suggests that TORCH infections, imbalanced microbiome, and persistent inflammation are significantly associated with the disruption of the social domain in ASD children. The ASD-related changes begin prenatally as maternal-to-fetal immune activation triggered by infection. It results in continuous low-grade inflammation and oxidative stress in a fetus, causing germline and somatic genetic changes in the developing brain and the establishment of the dysregulated immune system. These changes and dysregulations result in central and peripheral nervous systems dysfunctions as well as other comorbid conditions found in autistic children.
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Broekaert IJ, Borrelli O, Dolinsek J, Martin-de-Carpi J, Mas E, Miele E, Pienar C, Ribes-Koninckx C, Thomassen R, Thomson M, Tzivinikos C, Benninga M. An ESPGHAN Position Paper on the Use of Breath Testing in Paediatric Gastroenterology. J Pediatr Gastroenterol Nutr 2022; 74:123-137. [PMID: 34292218 DOI: 10.1097/mpg.0000000000003245] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
OBJECTIVES Given a lack of a systematic approach to the use of breath testing in paediatric patients, the aim of this position paper is to provide expert guidance regarding the indications for its use and practical considerations to optimise its utility and safety. METHODS Nine clinical questions regarding methodology, interpretation, and specific indications of breath testing and treatment of carbohydrate malabsorption were addressed by members of the Gastroenterology Committee (GIC) of the European Society for Paediatric Gastroenterology Hepatology and Nutrition (ESPGHAN).A systematic literature search was performed from 1983 to 2020 using PubMed, the MEDLINE and Cochrane Database of Systematic Reviews. Grading of Recommendations, Assessment, Development, and Evaluation was applied to evaluate the outcomes.During a consensus meeting, all recommendations were discussed and finalised. In the absence of evidence from randomised controlled trials, recommendations reflect the expert opinion of the authors. RESULTS A total of 22 recommendations were voted on using the nominal voting technique. At first, recommendations on prerequisites and preparation for as well as on interpretation of breath tests are given. Then, recommendations on the usefulness of H2-lactose breath testing, H2-fructose breath testing as well as of breath tests for other types of carbohydrate malabsorption are provided. Furthermore, breath testing is recommended to diagnose small intestinal bacterial overgrowth (SIBO), to control for success of Helicobacter pylori eradication therapy and to diagnose and monitor therapy of exocrine pancreatic insufficiency, but not to estimate oro-caecal transit time (OCTT) or to diagnose and follow-up on celiac disease. CONCLUSIONS Breath tests are frequently used in paediatric gastroenterology mainly assessing carbohydrate malabsorption, but also in the diagnosis of small intestinal overgrowth, fat malabsorption, H. pylori infection as well as for measuring gastrointestinal transit times. Interpretation of the results can be challenging and in addition, pertinent symptoms should be considered to evaluate clinical tolerance.
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Affiliation(s)
- Ilse Julia Broekaert
- Department of Paediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Osvaldo Borrelli
- Department of Paediatric Gastroenterology, Great Ormond Street Hospital, London, UK
| | - Jernej Dolinsek
- Department of Paediatrics, University Medical Centre Maribor, Maribor, Slovenia
| | - Javier Martin-de-Carpi
- Department of Paediatric Gastroenterology, Hepatology and Nutrition, Hospital Sant Joan de Déu, Barcelona, Spain
| | - Emmanuel Mas
- Unité de Gastroentérologie, Hépatologie, Nutrition, Diabétologie et Maladies Héréditaires du Métabolisme, Hôpital des Enfants, CHU de Toulouse, Toulouse, France; IRSD, Université de Toulouse, INSERM, INRA, ENVT, UPS, Toulouse, France
| | - Erasmo Miele
- Department of Translational Medical Science, Section of Paediatrics, University of Naples "Federico", Naples, Italy
| | - Corina Pienar
- Department of Paediatrics, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
| | - Carmen Ribes-Koninckx
- Department of Paediatric Gastroenterology, Hepatology & Nutrition, La Fe University Hospital, Valencia, Spain
| | - Rut Thomassen
- Department of Paediatric Medicine, Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Norway
| | - Mike Thomson
- Centre for Paediatric Gastroenterology, Sheffield Children's Hospital, Sheffield, UK
| | - Christos Tzivinikos
- Department of Paediatric Gastroenterology, Al Jalila Children's Specialty Hospital, Dubai, UAE
| | - Marc Benninga
- Department of Paediatric Gastroenterology and Nutrition, Emma Children's Hospital, Amsterdam University Medical Centres, Amsterdam, The Netherlands
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12
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Rong P, Fu Q, Zhang X, Liu H, Zhao S, Song X, Gao P, Ma R. A bibliometrics analysis and visualization of autism spectrum disorder. Front Psychiatry 2022; 13:884600. [PMID: 35923445 PMCID: PMC9339633 DOI: 10.3389/fpsyt.2022.884600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 06/28/2022] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND The prevalence of autism spectrum disorder (ASD) increased rapidly in the last 20 years. Although related research has developed rapidly, little is known about its etiology, diagnostic marker, or drug treatment, which forces researchers to review and summarize its development process and look for the future development direction. METHODS We used bibliometrics to analyze papers of ASD in the Web of Science from 1998 to 2021, to draw the network of authors, institutions, countries, and keywords in the ASD field, and visualize the results. RESULTS A total of 40,597 papers were included with a continually increasing trend. It turns out that the research on ASD is mainly concentrated in universities. The United States has the largest number of ASD studies, followed by England and Canada. The quality of papers related to ASD is generally high, which shows that ASD research has become a hot spot of scientific research. The keywords of ASD etiology and diagnostic markers can be classified into at least 7 aspects. The detection of keywords shows that ASD research is mostly based on its subtypes, takes children as the study population, focuses on neurodevelopmental imaging or genetics, and pays attention to individual differences. And ASD research has changed greatly under the impact of Corona Virus Disease 2019 in the past 2 years. CONCLUSION We consider the future development direction should be based on the improvement of case identification, accurate clinical phenotype, large-scale cohort study, the discovery of ASD etiology and diagnostic markers, drug randomized controlled trials, and telehealth.
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Affiliation(s)
- Ping Rong
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Qianfang Fu
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Xilian Zhang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Hui Liu
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Shuyi Zhao
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Xinxin Song
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Puxing Gao
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Rong Ma
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
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13
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Hao R, Zhang L, Liu J, Liu Y, Yi J, Liu X. A Promising Approach: Artificial Intelligence Applied to Small Intestinal Bacterial Overgrowth (SIBO) Diagnosis Using Cluster Analysis. Diagnostics (Basel) 2021; 11:1445. [PMID: 34441379 PMCID: PMC8392862 DOI: 10.3390/diagnostics11081445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 07/16/2021] [Accepted: 08/07/2021] [Indexed: 11/16/2022] Open
Abstract
Small intestinal bacterial overgrowth (SIBO) is characterized by abnormal and excessive amounts of bacteria in the small intestine. Since symptoms and lab tests are non-specific, the diagnosis of SIBO is highly dependent on breath testing. There is a lack of a universally accepted cut-off point for breath testing to diagnose SIBO, and the dilemma of defining "SIBO patients" has made it more difficult to explore the gold standard for SIBO diagnosis. How to validate the gold standard for breath testing without defining "SIBO patients" has become an imperious demand in clinic. Breath-testing datasets from 1071 patients were collected from Xiangya Hospital in the past 3 years and analyzed with an artificial intelligence method using cluster analysis. K-means and DBSCAN algorithms were applied to the dataset after the clustering tendency was confirmed with Hopkins Statistic. Satisfying the clustering effect was evaluated with a Silhouette score, and patterns of each group were described. Advantages of artificial intelligence application in adaptive breath-testing diagnosis criteria with SIBO were discussed from the aspects of high dimensional analysis, and data-driven and regional specific dietary influence. This research work implied a promising application of artificial intelligence for SIBO diagnosis, which would benefit clinical practice and scientific research.
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Affiliation(s)
- Rong Hao
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, China; (R.H.); (J.L.); (Y.L.)
- Hunan International Scientific and Technological Cooperation Base of Artificial Intelligence Computer Aided Diagnosis and Treatment for Digestive Disease, Changsha 410008, China
| | - Lun Zhang
- Laboratory of Science and Technology on Integrated Logistics Support, National University of Defense Technology, Changsha 410072, China;
- College of Intelligence Science and Technology, National University of Defense Technology, Changsha 410072, China
| | - Jiashuang Liu
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, China; (R.H.); (J.L.); (Y.L.)
- Hunan International Scientific and Technological Cooperation Base of Artificial Intelligence Computer Aided Diagnosis and Treatment for Digestive Disease, Changsha 410008, China
| | - Yajun Liu
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, China; (R.H.); (J.L.); (Y.L.)
- Hunan International Scientific and Technological Cooperation Base of Artificial Intelligence Computer Aided Diagnosis and Treatment for Digestive Disease, Changsha 410008, China
| | - Jun Yi
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, China; (R.H.); (J.L.); (Y.L.)
- Hunan International Scientific and Technological Cooperation Base of Artificial Intelligence Computer Aided Diagnosis and Treatment for Digestive Disease, Changsha 410008, China
| | - Xiaowei Liu
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, China; (R.H.); (J.L.); (Y.L.)
- Hunan International Scientific and Technological Cooperation Base of Artificial Intelligence Computer Aided Diagnosis and Treatment for Digestive Disease, Changsha 410008, China
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14
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Abstract
Small intestinal bacterial overgrowth (SIBO) is a common, yet underrecognized, problem. Its prevalence is unknown because SIBO requires diagnostic testing. Although abdominal bloating, gas, distension, and diarrhea are common symptoms, they do not predict positive diagnosis. Predisposing factors include proton-pump inhibitors, opioids, gastric bypass, colectomy, and dysmotility. Small bowel aspirate/culture with growth of 10-10 cfu/mL is generally accepted as the "best diagnostic method," but it is invasive. Glucose or lactulose breath testing is noninvasive but an indirect method that requires further standardization and validation for SIBO. Treatment, usually with antibiotics, aims to provide symptom relief through eradication of bacteria in the small intestine. Limited numbers of controlled studies have shown systemic antibiotics (norfloxacin and metronidazole) to be efficacious. However, 15 studies have shown rifaximin, a nonsystemic antibiotic, to be effective against SIBO and well tolerated. Through improved awareness and scientific rigor, the SIBO landscape is poised for transformation.
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15
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Hasuike Y, Endo T, Koroyasu M, Matsui M, Mori C, Yamadera M, Fujimura H, Sakoda S. Bile acid abnormality induced by intestinal dysbiosis might explain lipid metabolism in Parkinson's disease. Med Hypotheses 2019; 134:109436. [PMID: 31678900 DOI: 10.1016/j.mehy.2019.109436] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 09/09/2019] [Accepted: 10/14/2019] [Indexed: 12/27/2022]
Abstract
Intestinal dysbiosis refers to an imbalance in the intestinal flora. The concept of small intestinal bacterial overgrowth (SIBO), a condition of abnormal proliferation of the small intestine microbiota, has been proposed as a form of small intestine dysbiosis. In Parkinson's disease patients, weight loss and metabolic disorders such as lipid abnormalities are frequently encountered. This was a prospective investigation of the presence of SIBO using the lactulose breath test, Parkinson's disease symptoms, medications, abdominal symptoms, and blood data involving 39 Parkinson's disease patients. Of the 39 patients, 19 were positive for SIBO, 16 were negative, and 4 were equivocal. SIBO-positive patients had a significantly smaller dopaminergic drug load (dopamine replacement of Parkinson's disease drug potency) (P = 0.009) and significantly lower serum triglyceride (TG) (P = 0.024) and total bilirubin (P = 0.019) levels. No relationship was seen between the presence or absence of SIBO and motor or abdominal symptoms. The following hypothesis was developed with regard to the possibility that intestinal bacterial overgrowth has various effects that are exhibited via bile acid metabolism in Parkinson's disease patients. Serum bilirubin levels become higher as bilirubin metabolism declines with decreases in the intestinal bacteria. At the same time, bile acid is broken down due to increased intestinal bacteria, and lipid absorption decreases. This induces low serum TG levels and leads to weight loss. By a similar mechanism, there is less absorption of vitamin D as bile acid levels decrease, leading to osteoporosis and fractures. The possibility that some of the non-motor manifestations accompanying Parkinson's disease are caused by intestinal dysbiosis needs to be considered.
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Affiliation(s)
- Yuhei Hasuike
- Department of Neurology, NHO Osaka Toneyama Medical Center, Toyonaka, Osaka, Japan; Department of Neurology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan.
| | - Takuyuki Endo
- Department of Neurology, NHO Osaka Toneyama Medical Center, Toyonaka, Osaka, Japan
| | - Michiyo Koroyasu
- Department of Neurology, NHO Osaka Toneyama Medical Center, Toyonaka, Osaka, Japan
| | - Misa Matsui
- Department of Neurology, NHO Osaka Toneyama Medical Center, Toyonaka, Osaka, Japan
| | - Chiaki Mori
- Department of Neurology, NHO Osaka Toneyama Medical Center, Toyonaka, Osaka, Japan
| | - Misaki Yamadera
- Department of Neurology, NHO Osaka Toneyama Medical Center, Toyonaka, Osaka, Japan
| | - Harutoshi Fujimura
- Department of Neurology, NHO Osaka Toneyama Medical Center, Toyonaka, Osaka, Japan
| | - Saburo Sakoda
- Department of Neurology, NHO Osaka Toneyama Medical Center, Toyonaka, Osaka, Japan; Organic Clinic, Toyonaka, Osaka, Japan
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16
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Avelar Rodriguez D, Ryan PM, Toro Monjaraz EM, Ramirez Mayans JA, Quigley EM. Small Intestinal Bacterial Overgrowth in Children: A State-Of-The-Art Review. Front Pediatr 2019; 7:363. [PMID: 31552207 PMCID: PMC6737284 DOI: 10.3389/fped.2019.00363] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 08/20/2019] [Indexed: 12/11/2022] Open
Abstract
Small intestinal bacterial overgrowth (SIBO) is a heterogenous and poorly understood entity characterised by an excessive growth of select microorganisms within the small intestine. This excessive bacterial biomass, in turn, disrupts host physiology in a myriad of ways, leading to gastrointestinal and non-gastrointestinal symptoms and complications. SIBO is a common cause of non-specific gastrointestinal symptoms in children, such as chronic abdominal pain, abdominal distention, diarrhoea, and flatulence, amongst others. In addition, it has recently been implicated in the pathophysiology of stunting, a disease that affects millions of children worldwide. Risk factors such as acid-suppressive therapies, alterations in gastrointestinal motility and anatomy, as well as impoverished conditions, have been shown to predispose children to SIBO. SIBO can be diagnosed via culture-dependant or culture-independent approaches. SIBO's epidemiology is limited due to the lack of uniformity and consensus of its diagnostic criteria, as well as the paucity of literature available. Antibiotics remain the first-line treatment option for SIBO, although emerging modalities such as probiotics and diet manipulation could also have a role. Herein, we present a state-of-the-art-review which aims to comprehensively outline the most current information on SIBO in children, with particular emphasis on the gut microbiota.
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Affiliation(s)
- David Avelar Rodriguez
- Pediatric Gastroenterology and Nutrition Unit, National Institute of Pediatrics, Mexico City, Mexico
| | | | | | | | - Eamonn Martin Quigley
- Lynda K. and David M. Underwood Center for Digestive Disorders, Houston Methodist Hospital, Houston, TX, United States
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17
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Rivera-Nieves D, Conley A, Nagib K, Shannon K, Horvath K, Mehta D. Gastrointestinal Conditions in Children With Severe Feeding Difficulties. Glob Pediatr Health 2019; 6:2333794X19838536. [PMID: 31020010 PMCID: PMC6469270 DOI: 10.1177/2333794x19838536] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 12/25/2018] [Accepted: 02/21/2019] [Indexed: 12/27/2022] Open
Abstract
Feeding aversion in children may progress to severe feeding difficulties. While oral-motor and sensory issues are usually the leading causes, organic etiologies should be considered. This study aimed to assess the prevalence of gastrointestinal conditions in children with severe feeding difficulties. We conducted a retrospective study of 93 children requiring an intensive feeding program. The medical records, radiologic and diagnostic tests, use of gastric tube feedings, preexisting medical conditions, and medications were reviewed. Fifty-two percent (52%) had esophagitis, 26.2% gastritis, and 40.7% lactase deficiency in upper endoscopy. In those who underwent an upper endoscopy, 26% of patients that were also tested for small intestinal bacterial overgrowth were found to be positive. Allergy testing was abnormal in 56.6% of those tested, while 27.5% and 75% had abnormal gastric emptying times and pH impedance results, respectively. Constipation was present in 76.3%. Thirteen of 32 were weaned off tube feedings. We conclude that gastrointestinal conditions are common in children with feeding disorders and should be investigated prior to feeding therapy.
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Affiliation(s)
- Desiree Rivera-Nieves
- Center for Digestive Health and Nutrition, Arnold Palmer Hospital for Children, Orlando, FL, USA
| | - Anita Conley
- Feeding Difficulties Center, Arnold Palmer Hospital for Children, Orlando, FL, USA
| | - Keri Nagib
- Feeding Difficulties Center, Arnold Palmer Hospital for Children, Orlando, FL, USA
| | - Kaiya Shannon
- Feeding Difficulties Center, Arnold Palmer Hospital for Children, Orlando, FL, USA
| | - Karoly Horvath
- Center for Digestive Health and Nutrition, Arnold Palmer Hospital for Children, Orlando, FL, USA.,Feeding Difficulties Center, Arnold Palmer Hospital for Children, Orlando, FL, USA
| | - Devendra Mehta
- Center for Digestive Health and Nutrition, Arnold Palmer Hospital for Children, Orlando, FL, USA.,Feeding Difficulties Center, Arnold Palmer Hospital for Children, Orlando, FL, USA
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18
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Zou M, Sun C, Liang S, Sun Y, Li D, Li L, Fan L, Wu L, Xia W. Fisher discriminant analysis for classification of autism spectrum disorders based on folate-related metabolism markers. J Nutr Biochem 2019; 64:25-31. [DOI: 10.1016/j.jnutbio.2018.09.023] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 08/01/2018] [Accepted: 09/24/2018] [Indexed: 12/20/2022]
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19
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Clinical and Instrumental Assessment of the Intestinal State in Children with Respiratory Pathology and Correction of the Revealed Violations. Fam Med 2018. [DOI: 10.30841/2307-5112.6.2018.168624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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20
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Brief Report: Implementation of a Specific Carbohydrate Diet for a Child with Autism Spectrum Disorder and Fragile X Syndrome. J Autism Dev Disord 2018; 50:1800-1808. [DOI: 10.1007/s10803-018-3704-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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21
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Rudzki L, Szulc A. "Immune Gate" of Psychopathology-The Role of Gut Derived Immune Activation in Major Psychiatric Disorders. Front Psychiatry 2018; 9:205. [PMID: 29896124 PMCID: PMC5987016 DOI: 10.3389/fpsyt.2018.00205] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 05/03/2018] [Indexed: 12/12/2022] Open
Abstract
Interaction between the gastrointestinal tract (GI) and brain functions has recently become a topic of growing interest in psychiatric research. These multidirectional interactions take place in the so-called gut-brain axis or more precisely, the microbiota-gut-brain axis. The GI tract is the largest immune organ in the human body and is also the largest surface of contact with the external environment. Its functions and permeability are highly influenced by psychological stress, which are often a precipitating factor in the first episode, reoccurrence and/or deterioration of symptoms of psychiatric disorders. In recent literature there is growing evidence that increased intestinal permeability with subsequent immune activation has a major role in the pathophysiology of various psychiatric disorders. Numerous parameters measured in this context seem to be aftermaths of those mechanisms, yet at the same time they may be contributing factors for immune mediated psychopathology. For example, immune activation related to gut-derived bacterial lipopolysaccharides (LPS) or various food antigens and exorphins were reported in major depression, schizophrenia, bipolar disorder, alcoholism and autism. In this review the authors will summarize the evidence and roles of such parameters and their assessment in major psychiatric disorders.
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Affiliation(s)
- Leszek Rudzki
- Department of Psychiatry, Medical University of BialystokBialystok, Poland
- Three Towns Resource Centre, Saltcoats, United Kingdom
| | - Agata Szulc
- Department of Psychiatry, Medical University of WarsawWarsaw, Poland
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22
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Belei O, Olariu L, Dobrescu A, Marcovici T, Marginean O. Is It Useful to Administer Probiotics Together With Proton Pump Inhibitors in Children With Gastroesophageal Reflux? J Neurogastroenterol Motil 2018; 24:51-57. [PMID: 29291607 PMCID: PMC5753903 DOI: 10.5056/jnm17059] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Revised: 08/12/2017] [Accepted: 10/13/2017] [Indexed: 02/06/2023] Open
Abstract
Background/Aims Gastroesophageal reflux disease (GERD) is a frequent condition diagnosed in children and treated with proton pump inhibitors (PPI). Long-term PPI administration can alter intestinal bacterial population by suppressing the gastric acid barrier and may cause diarrhea. The aim of this study is to evaluate the prevalence of small intestinal bacterial overgrowth assessed by glucose hydrogen breath test among children that received 12 weeks of PPI with or without probiotics (Lactobacillus reuteri DSM 17938) associated, compared to controls. Methods Glucose hydrogen breath test was performed before PPI treatment and after 12 weeks of PPI treatment to 128 consecutive children with GERD (1–18 years old) and a control group (120 healthy children). The children with GERD were randomized into 2 groups: placebo group (64 who received PPI and placebo for 12 weeks) and probiotics group (64 who received PPI and probiotics for 12 weeks). Results After 12 weeks of treatment, dysbiosis was detected among 56.2% of children from placebo group (36/64), compared to 6.2% of children from the probiotics group (4/64, P < 0.001). Bacterial overgrowth was detected in 5% of controls (6/120). Probiotics group had a lower prevalence of dysbiosis, similar to controls (P = 0.740). Conclusion Probiotics administration decreased the rate of dysbiosis among children treated with PPI.
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Affiliation(s)
- Oana Belei
- First Pediatric Clinic, University of Medicine and Pharmacy Victor Babes, Timisoara, Romania
| | - Laura Olariu
- First Pediatric Clinic, University of Medicine and Pharmacy Victor Babes, Timisoara, Romania
| | - Andreea Dobrescu
- Genetics Department, University of Medicine and Pharmacy Victor Babes, Timisoara, Romania
| | - Tamara Marcovici
- First Pediatric Clinic, University of Medicine and Pharmacy Victor Babes, Timisoara, Romania
| | - Otilia Marginean
- First Pediatric Clinic, University of Medicine and Pharmacy Victor Babes, Timisoara, Romania
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23
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Usman Singh A. Dysbiosis, small intestinal bacterial overgrowth and biofilms in autism and chronic illness. AIMS MOLECULAR SCIENCE 2018. [DOI: 10.3934/molsci.2018.2.160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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