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Chen T, Zhang B, He G, Wang N, Cao M, Shen C, Chen X, Chen L, Liu K, Luo Y, huang Y, Yuan C, Zhou X, Li C. Gut-Derived Exosomes Mediate the Microbiota Dysbiosis-Induced Spermatogenesis Impairment by Targeting Meioc in Mice. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2310110. [PMID: 38526201 PMCID: PMC11165515 DOI: 10.1002/advs.202310110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 03/05/2024] [Indexed: 03/26/2024]
Abstract
Diseases like obesity and intestinal inflammation diseases are accompanied by dysbiosis of the gut microbiota (DSGM), which leads to various complications, including systemic metabolic disorders. DSGM reportedly impairs the fertility of male mice; however, the regulatory mechanism is unclear. Exosomes are molecular mediators of intercellular communication, but the regulation of spermatogenesis by non-reproductive tissue-originated exosomes remains unknown. The present study shows that DSGM altered the miRNA expression profile of mouse circulating exosomes and impaired spermatogenesis. Moreover, the single-cell sequencing results indicate that circulating exosomes from mice with DSGM impaired spermatogenesis, while circulating exosomes from wild mice improved spermatogenesis by promoting meiosis. Further study demonstrates that DSGM leads to abnormal upregulation of miR-211-5p in gut-derived circulating exosomes, which inhibited the expression of meiosis-specific with coiled-coil domain (Meioc) in the testes and impaired spermatogenesis by disturbing meiosis process. In summary, this study defines the important role of gut-derived exosomes in connecting the "gut-testis" axis.
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Affiliation(s)
- Tong Chen
- College of Animal SciencesJilin University5333 Xian RoadChangchunJilin130062China
| | - Boqi Zhang
- College of Animal SciencesJilin University5333 Xian RoadChangchunJilin130062China
| | - Guitian He
- College of Animal SciencesJilin University5333 Xian RoadChangchunJilin130062China
| | - Nan Wang
- College of Animal SciencesJilin University5333 Xian RoadChangchunJilin130062China
| | - Maosheng Cao
- College of Animal SciencesJilin University5333 Xian RoadChangchunJilin130062China
| | - Caomeihui Shen
- College of Animal SciencesJilin University5333 Xian RoadChangchunJilin130062China
| | - Xue Chen
- College of Animal SciencesJilin University5333 Xian RoadChangchunJilin130062China
| | - Lu Chen
- College of Animal SciencesJilin University5333 Xian RoadChangchunJilin130062China
| | - Kening Liu
- College of Animal SciencesJilin University5333 Xian RoadChangchunJilin130062China
| | - Yuxin Luo
- College of Animal SciencesJilin University5333 Xian RoadChangchunJilin130062China
| | - Yiqiu huang
- College of Animal SciencesJilin University5333 Xian RoadChangchunJilin130062China
| | - Chenfeng Yuan
- College of Animal SciencesJilin University5333 Xian RoadChangchunJilin130062China
| | - Xu Zhou
- College of Animal SciencesJilin University5333 Xian RoadChangchunJilin130062China
| | - Chunjin Li
- College of Animal SciencesJilin University5333 Xian RoadChangchunJilin130062China
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Wu B, Cox AD, Chang H, Kennett M, Rosa C, Chopra S, Li S, Reddivari L. Maize near-isogenic lines with enhanced flavonoids alleviated dextran sodium sulfate-induced murine colitis via modulation of the gut microbiota. Food Funct 2023; 14:9606-9616. [PMID: 37814601 DOI: 10.1039/d3fo02953k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
The rising incidence of inflammatory bowel disease (IBD) has necessitated the search for safe and effective novel therapeutic strategies. Dietary flavonoids exhibited antioxidant, antiproliferative, and anticarcinogenic activities in several model systems with proven abilities to reduce inflammation and oxidative stress, thus they could be promising therapeutic agents for IBD prevention/treatment. However, understanding the role of a specific class of compounds in foods that promote health is difficult because of the chemically complex food matrices. This study aimed to utilize four maize near-isogenic lines to determine the anti-colitis effects of specific classes of flavonoids, anthocyanins and/or phlobaphenes, in a whole-food matrix. Results showed that the intake of anthocyanin and phlobaphene-enriched maize diets effectively alleviated dextran sodium sulfate (DSS)-induced colitis in mice via reducing the intestinal permeability and restoring the barrier function. Anthocyanin diets were more effective in maintaining the crypt structure and muc2 protein levels and reducing inflammation. Bacterial communities of mice consuming diets enriched with anthocyanins and phlobaphenes were more similar to the healthy control compared to the DSS control group, suggesting the role of flavonoids in modulating the gut microbiota to retrieve intestinal homeostasis. Microbiota depletion rendered these compounds ineffective against colitis. Lower serum concentrations of several phenolic acids were detected in the microbiota-depleted mice, indicating that gut microbiota plays a role in flavonoid metabolism and bioavailability.
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Affiliation(s)
- Binning Wu
- Department of Food Science, Purdue University, West Lafayette, Indiana, USA.
- Department of Plant Science, The Pennsylvania State University, University Park, Pennsylvania, USA
- Interdisciplinary Graduate Program in Plant Biology, The Pennsylvania State University, University Park, PA, USA
| | - Abigail D Cox
- Department of Comparative Pathobiology, Purdue University, West Lafayette, Indiana, USA
| | - Haotian Chang
- Department of Food Science, Purdue University, West Lafayette, Indiana, USA.
| | - Mary Kennett
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, Pennsylvania, USA
| | - Cristina Rosa
- Interdisciplinary Graduate Program in Plant Biology, The Pennsylvania State University, University Park, PA, USA
- Department of Plant Pathology and Environmental Microbiology, The Pennsylvania State University, University Park, Pennsylvania, USA
| | - Surinder Chopra
- Department of Plant Science, The Pennsylvania State University, University Park, Pennsylvania, USA
- Interdisciplinary Graduate Program in Plant Biology, The Pennsylvania State University, University Park, PA, USA
| | - Shiyu Li
- Department of Food Science, Purdue University, West Lafayette, Indiana, USA.
| | - Lavanya Reddivari
- Department of Food Science, Purdue University, West Lafayette, Indiana, USA.
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3
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Nikolaieva N, Sevcikova A, Omelka R, Martiniakova M, Mego M, Ciernikova S. Gut Microbiota-MicroRNA Interactions in Intestinal Homeostasis and Cancer Development. Microorganisms 2022; 11:microorganisms11010107. [PMID: 36677399 PMCID: PMC9867529 DOI: 10.3390/microorganisms11010107] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/21/2022] [Accepted: 12/28/2022] [Indexed: 01/03/2023] Open
Abstract
Pre-clinical models and clinical studies highlight the significant impact of the host-microbiota relationship on cancer development and treatment, supporting the emerging trend for a microbiota-based approach in clinical oncology. Importantly, the presence of polymorphic microbes is considered one of the hallmarks of cancer. The epigenetic regulation of gene expression by microRNAs affects crucial biological processes, including proliferation, differentiation, metabolism, and cell death. Recent evidence has documented the existence of bidirectional gut microbiota-microRNA interactions that play a critical role in intestinal homeostasis. Importantly, alterations in microRNA-modulated gene expression are known to be associated with inflammatory responses and dysbiosis in gastrointestinal disorders. In this review, we summarize the current findings about miRNA expression in the intestine and focus on specific gut microbiota-miRNA interactions linked to intestinal homeostasis, the immune system, and cancer development. We discuss the potential clinical utility of fecal miRNA profiling as a diagnostic and prognostic tool in colorectal cancer, and demonstrate how the emerging trend of gut microbiota modulation, together with the use of personalized microRNA therapeutics, might bring improvements in outcomes for patients with gastrointestinal cancer in the era of precision medicine.
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Affiliation(s)
- Nataliia Nikolaieva
- Department of Genetics, Cancer Research Institute, Biomedical Research Center of Slovak Academy of Sciences, 845 05 Bratislava, Slovakia
| | - Aneta Sevcikova
- Department of Genetics, Cancer Research Institute, Biomedical Research Center of Slovak Academy of Sciences, 845 05 Bratislava, Slovakia
| | - Radoslav Omelka
- Department of Botany and Genetics, Faculty of Natural Sciences and Informatics, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia
| | - Monika Martiniakova
- Department of Zoology and Anthropology, Faculty of Natural Sciences and Informatics, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia
| | - Michal Mego
- National Cancer Institute and Faculty of Medicine, Comenius University, 813 72 Bratislava, Slovakia
| | - Sona Ciernikova
- Department of Genetics, Cancer Research Institute, Biomedical Research Center of Slovak Academy of Sciences, 845 05 Bratislava, Slovakia
- Correspondence: ; Tel.: +421-02-3229519
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Bucheli JEV, Todorov SD, Holzapfel WH. Role of gastrointestinal microbial populations, a terra incognita of the human body in the management of intestinal bowel disease and metabolic disorders. Benef Microbes 2022; 13:295-318. [PMID: 35866598 DOI: 10.3920/bm2022.0022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Intestinal bowel disease (IBD) is a chronic immune-mediated clinical condition that affects the gastrointestinal tract and is mediated by an inflammatory response. Although it has been extensively studied, the multifactorial aetiology of this disorder makes it difficult to fully understand all the involved mechanisms in its development and therefore its treatment. In recent years, the fundamental role played by the human microbiota in the pathogenesis of IBD has been emphasised. Microbial imbalances in the gut bacterial communities and a lower species diversity in patients suffering from inflammatory gastrointestinal disorders compared to healthy individuals have been reported as principal factors in the development of IBD. These served to support scientific arguments for the use of probiotic microorganisms in alternative approaches for the prevention and treatment of IBD. In a homeostatic environment, the presence of bacteria (including probiotics) on the intestinal epithelial surface activates a cascade of processes by which immune responses inhibited and thereby commensal organisms maintained. At the same time these processes may support activities against specific pathogenic bacteria. In dysbiosis, these underlying mechanisms will serve to provoke a proinflammatory response, that, in combination with the use of antibiotics and the genetic predisposition of the host, will culminate in the development of IBD. In this review, we summarised the main causes of IBD, the physiological mechanisms involved and the related bacterial groups most frequently associated with these processes. The intention was to enable a better understanding of the interaction between the intestinal microbiota and the host, and to suggest possibilities by which this knowledge can be useful for the development of new therapeutic treatments.
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Affiliation(s)
- J E Vazquez Bucheli
- Human Effective Microbes, Department of Advanced Convergence, Handong Global University, Pohang, Gyeongbuk 37554, Republic of Korea
| | - S D Todorov
- ProBacLab, Department of Advanced Convergence, Handong Global University, Pohang, Gyeongbuk 37554, Republic of Korea
| | - W H Holzapfel
- Human Effective Microbes, Department of Advanced Convergence, Handong Global University, Pohang, Gyeongbuk 37554, Republic of Korea
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Čipčić Paljetak H, Barešić A, Panek M, Perić M, Matijašić M, Lojkić I, Barišić A, Vranešić Bender D, Ljubas Kelečić D, Brinar M, Kalauz M, Miličević M, Grgić D, Turk N, Karas I, Čuković-Čavka S, Krznarić Ž, Verbanac D. Gut microbiota in mucosa and feces of newly diagnosed, treatment-naïve adult inflammatory bowel disease and irritable bowel syndrome patients. Gut Microbes 2022; 14:2083419. [PMID: 35695669 PMCID: PMC9196785 DOI: 10.1080/19490976.2022.2083419] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
The knowledge on how gut microbes contribute to the inflammatory bowel disease (IBD) at the onset of disease is still scarce. We compared gut microbiota in newly diagnosed, treatment-naïve adult IBD (Crohn's disease (CD) and ulcerative colitis (UC)) to irritable bowel syndrome (IBS) patients and healthy group. Mucosal and fecal microbiota of 49 patients (13 UC, 10 CD, and 26 IBS) before treatment initiation, and fecal microbiota of 12 healthy subjects was characterized by 16S rRNA gene sequencing. Mucosa was sampled at six positions, from terminal ileum to rectum. We demonstrate that mucosal microbiota is spatially homogeneous, cannot be differentiated based on the local inflammation status and yet provides bacterial footprints superior to fecal in discriminating disease phenotypes. IBD groups showed decreased bacterial diversity in mucosa at all taxonomic levels compared to IBS. In CD and UC, Dialister was significantly increased, and expansion of Haemophilus and Propionibacterium characterized UC. Compared to healthy individuals, fecal microbiota of IBD and IBS patients had increased abundance of Proteobacteria, Enterobacteriaceae, in particular. Shift toward reduction of Adlercreutzia and butyrate-producing taxa was found in feces of IBD patients. Microbiota alterations detected in newly diagnosed treatment-naïve adult patients indicate that the microbiota changes are set and detectable at the disease onset and likely have a discerning role in IBD pathophysiology. Our results justify further investigation of the taxa discriminating between disease groups, such as H. parainfluenzae, R. gnavus, Turicibacteriaceae, Dialister, and Adlercreutzia as potential biomarkers of the disease.
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Affiliation(s)
- Hana Čipčić Paljetak
- Center for Translational and Clinical Research, University of Zagreb School of Medicine, Zagreb, Croatia,CONTACT Hana Čipčić Paljetak Center for Translational and Clinical Research, University of Zagreb School of Medicine, Šalata 2, Zagreb10000, Croatia
| | - Anja Barešić
- Division of Electronics, Ruđer Bošković Institute, Zagreb, Croatia
| | - Marina Panek
- Center for Translational and Clinical Research, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Mihaela Perić
- Center for Translational and Clinical Research, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Mario Matijašić
- Center for Translational and Clinical Research, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Ivana Lojkić
- Department for Virology, Croatian Veterinary Institute, Zagreb, Croatia
| | - Ana Barišić
- Department of Internal Medicine, Unit of Clinical Nutrition, University Hospital Centre Zagreb, Zagreb, Croatia,University of Zagreb School of Medicine, Zagreb, Croatia
| | - Darija Vranešić Bender
- Department of Internal Medicine, Unit of Clinical Nutrition, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Dina Ljubas Kelečić
- Department of Internal Medicine, Unit of Clinical Nutrition, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Marko Brinar
- University of Zagreb School of Medicine, Zagreb, Croatia,Department of Internal Medicine, Division of Gastroenterology and Hepatology, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Mirjana Kalauz
- University of Zagreb School of Medicine, Zagreb, Croatia,Department of Internal Medicine, Division of Gastroenterology and Hepatology, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Marija Miličević
- University of Zagreb School of Medicine, Zagreb, Croatia,Department of Gastroenterology, Hepatology and Clinical Nutrition, University Hospital Dubrava, Zagreb, Croatia
| | - Dora Grgić
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Nikša Turk
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Irena Karas
- Department of Internal Medicine, Unit of Clinical Nutrition, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Silvija Čuković-Čavka
- University of Zagreb School of Medicine, Zagreb, Croatia,Department of Internal Medicine, Division of Gastroenterology and Hepatology, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Željko Krznarić
- Department of Internal Medicine, Unit of Clinical Nutrition, University Hospital Centre Zagreb, Zagreb, Croatia,University of Zagreb School of Medicine, Zagreb, Croatia,Department of Internal Medicine, Division of Gastroenterology and Hepatology, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Donatella Verbanac
- Center for Translational and Clinical Research, University of Zagreb School of Medicine, Zagreb, Croatia
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Circulating Exosomal miR-144-3p from Crohn’s Disease Patients Inhibits Human Umbilical Vein Endothelial Cell Function by Targeting FN1. DISEASE MARKERS 2022; 2022:8219557. [PMID: 35692876 PMCID: PMC9184168 DOI: 10.1155/2022/8219557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 04/20/2022] [Indexed: 11/20/2022]
Abstract
Background Crohn's disease (CD) is a chronic nonspecific inflammatory disease with unknown pathogenesis and vascular changes associated with the progression of CD. Many studies have shown that miRNAs participate in the development of CD. However, the effect of miRNAs in circulating exosomes on vascular endothelial cells in CD has not been investigated. Our study is aimed at identifying the differential miRNAs in circulating exosomes in CD and exploring their potential roles in human umbilical vein endothelial cells (HUVECs). Methods In our study, exosomes were extracted from circulating blood to identify differential miRNAs. After in vitro transfection of HUVECs with miR-144-3p mimics and inhibitors and the corresponding controls, cell counting kit-8, wound healing, Transwell migration, and tube formation assays were performed to study the viability, migration, and angiogenesis of HUVECs. Furthermore, bioinformatics analysis was used to predict miRNA targets. Western blotting was used to determine protein expression. In addition, exogenous supplementation with the fibronectin 1 (FN1) protein rescued the effects of miR-144-3p on changes in cell function in vitro. Results miR-144-3p was significantly increased in circulating exosomes of patients with CD compared with those in the control group. The promotion or inhibition of miR-144-3p correspondingly abolished or accelerated cell viability, migration, and angiogenesis. FN1 is a significant target of miR-144-3p, and exogenous FN1 administration improved the function of HUVECs in vitro. Conclusions Circulating exosomal miR-144-3p from patients with active CD contributes to vascular endothelial dysfunction by affecting the gene expression of FN1. These findings suggested that circulating exosomal miR-144-3p could be a potential biological marker for CD.
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Donda K, Torres BA, Maheshwari A. Non-coding RNAs in Neonatal Necrotizing Enterocolitis. NEWBORN 2022; 1:120-130. [PMID: 35754997 PMCID: PMC9219563 DOI: 10.5005/jp-journals-11002-0012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Keyur Donda
- Department of Pediatrics, University of South Florida Health Morsani College of Medicine, Tampa, Florida, United States of America
| | - Benjamin A Torres
- Department of Pediatrics, University of South Florida Health Morsani College of Medicine, Tampa, Florida, United States of America
| | - Akhil Maheshwari
- Global Newborn Society, Clarksville, Maryland, United States of America
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Wortelboer K, Bakker GJ, Winkelmeijer M, van Riel N, Levin E, Nieuwdorp M, Herrema H, Davids M. Fecal microbiota transplantation as tool to study the interrelation between microbiota composition and miRNA expression. Microbiol Res 2022; 257:126972. [DOI: 10.1016/j.micres.2022.126972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 01/11/2022] [Accepted: 01/13/2022] [Indexed: 02/07/2023]
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Donda K, Bose T, Dame C, Maheshwari A. The Impact of MicroRNAs in Neonatal Necrotizing Enterocolitis and other Inflammatory Conditions of Intestine: A Review. Curr Pediatr Rev 2022; 19:5-14. [PMID: 35040406 DOI: 10.2174/1573396318666220117102119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 08/28/2021] [Accepted: 11/11/2021] [Indexed: 01/28/2023]
Abstract
The understanding of necrotizing enterocolitis (NEC) etiopathogenesis is incomplete, contributing to the lack of early biomarkers and therapeutic options. Micro RNAs (miRNAs) are a class of RNAs that can alter gene expression and modulate various physiological and pathological processes. Several studies have been performed to evaluate the role of miRNA in the pathogenesis of NEC. In this article, we review the information on miRNAs that have been specifically identified in NEC or have been noted in other inflammatory bowel disorders that share some of the histopathological abnormalities seen frequently in NEC. This review highlights miRNAs that could be useful as early biomarkers of NEC and suggests possible approaches for future translational studies focused on these analytes. It is a novel field with potential for immense translational and clinical relevance in preventing, detecting, or treating NEC in very premature infants. Impact • Current information categorizes necrotizing enterocolitis (NEC) as a multifactorial disease, but microRNAs (miRNAs) may influence the risk of occurrence of NEC. • MiRNAs may alter the severity of the intestinal injury and the clinical outcome of NEC. • The literature on intestinal diseases of adults suggests additional miRNAs that have not been studied in NEC yet but share some features and deserve further exploration in human NEC, especially if affecting gut dysbiosis, intestinal perfusion, and coagulation disorders.
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Affiliation(s)
- Keyur Donda
- Department of Pediatrics, University of South Florida Health Morsani College of Medicine, Tampa, Florida, FL, United States
| | - Tanima Bose
- Institute for Clinical Neuroimmunology, Ludwig-Maximilians- University of Munich, Munich, Germany
| | - Christof Dame
- Department of Neonatology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Akhil Maheshwari
- Department of Pediatrics, Johns Hopkins University, Baltimore, Maryland, MD, USA
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Chen P, Huang S, Yu Q, Chao K, Wang Y, Zhou G, Zhuang X, Zeng Z, Chen M, Zhang S. Serum exosomal microRNA-144-3p: a promising biomarker for monitoring Crohn's disease. Gastroenterol Rep (Oxf) 2021; 10:goab056. [PMID: 35382172 PMCID: PMC8973006 DOI: 10.1093/gastro/goab056] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 09/09/2021] [Accepted: 10/10/2021] [Indexed: 12/13/2022] Open
Abstract
Background Crohn’s disease (CD) has a tendency for recurrence and requires adequate monitoring and personalized treatment. Since endoscopy is considerably invasive, serum biomarkers are required as alternatives for CD monitoring. Toward this, exosomal microRNAs (miRNAs) may serve as promising candidates. In this study, we aimed to assess the role of serum exosomal microRNA-144-3p (miR-144-3p) as a biomarker for CD monitoring. Methods We prospectively recruited 154 patients without a history of surgery (Cohort 1) and 75 patients who were to undergo intestinal resection (Cohort 2). Serum samples were collected from Cohort 1 before colonoscopy and from Cohort 2 before surgery and during post-operative colonoscopic examination. The serum levels of exosomal miR-144-3p were measured using quantitative reverse-transcription polymerase chain reaction (PCR). Correlations between relative exosomal miR-144-3p levels, disease activity, and disease behavior were analysed. The area under the receiver-operating characteristic curve (AUC) was used to assess the predictive value of exosomal miR-144-3p regarding mucosal activity and post-operative recurrence. Results A 3.33-fold increase in serum exosomal miR-144-3p levels was recorded in patients with CD compared with those in healthy controls (P < 0.001). The exosomal miR-144-3p levels were positively correlated with the simple endoscopic score of CD (ρ = 0.547, P < 0.001) as well as the Rutgeerts score (ρ = 0.478, P < 0.001). Elevated exosomal miR-144-3p levels were correlated with the penetrating disease with high specificity (100% [95% confidence interval, 95.1%–100%]). The accuracy of exosomal miR-144-3p for identifying post-operative recurrence was higher than that of C-reactive protein (CRP) (AUC, 0.775 vs 0.639; P < 0.001). Conclusions Serum exosomal miR-144-3p is a reliable biomarker of mucosal inflammation and penetrating CD. It may identify endoscopic CD recurrence after intestinal resection with higher accuracy than CRP testing.
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Affiliation(s)
- Peng Chen
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, P. R. China
| | - Shanshan Huang
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, P. R. China
| | - Qiao Yu
- Department of Gastroenterology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, P. R. China
| | - Kang Chao
- Department of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, P. R. China
| | - Ying Wang
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, P. R. China
| | - Gaoshi Zhou
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, P. R. China
| | - Xiaojun Zhuang
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, P. R. China
| | - Zhirong Zeng
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, P. R. China
| | - Minhu Chen
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, P. R. China
| | - Shenghong Zhang
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, P. R. China
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Russo E, Giudici F, Ricci F, Scaringi S, Nannini G, Ficari F, Luceri C, Niccolai E, Baldi S, D'Ambrosio M, Ramazzotti M, Amedei A. Diving into Inflammation: A Pilot Study Exploring the Dynamics of the Immune-Microbiota Axis in Ileal Tissue Layers of Patients with Crohn's Disease. J Crohns Colitis 2021; 15:1500-1516. [PMID: 33611347 DOI: 10.1093/ecco-jcc/jjab034] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND AND AIMS The pathogenesis of Crohn's disease [CD] is still unclear. Disorders in the mucosal immunoregulation and its crosstalk with the microbiota may represent an important component in tissue injury. We aimed to characterize the molecular immune response distribution within the ileal layers and to evaluate the correlated microbiota in pathological/healthy settings comparing first surgery/relapse clinical conditions. METHODS We enrolled 12 CD patients. A comprehensive analysis of an ileal mucosa, submucosa and serosa broad-spectrum cytokine panel was performed through a multiplex approach. In addition, ileal microbiota composition was assessed through next generation sequencing. RESULTS We observed a distinct profile [of IL1-α, IL-1β, IL-4, IL-8, ICAM-1, E-Selectin, P-Selectin, IP-10, IL 6 and IL 18] across the CD vs healthy ileal layers; and a different distribution of IFN- γ, P-Selectin, IL-27 and IL-21 in first surgery vs relapse patients. In addition, the phylum Tenericutes, the family Ruminococcaceae, and the genera Mesoplasma and Mycoplasma were significantly enriched in the pathological setting. Significant microbiota differences were observed between relapse and first surgery patients regarding the class Bacteroidia, and the genera Prevotella, Flavobacterium, Tepidimonas and Escherichia/Shigella. Finally, the abundance of the genus Mycoplasma was positively correlated with IL-18. CONCLUSIONS We describe a dissimilarity of cytokine distribution and microbiota composition within CD and adjacent healthy ileal tissue layers and between first operation and surgical relapse. Our results give potential insight into the dynamics of the gut microbiota-immune axis in CD patients, leading to detection of new biomarkers.
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Affiliation(s)
- Edda Russo
- Department of Experimental and Clinical Medicine, University of Firenze, Firenze, Italy
| | - Francesco Giudici
- Department of Experimental and Clinical Medicine, University of Firenze, Firenze, Italy
| | - Federica Ricci
- Tumor Cell Biology Unit - Core Research Laboratory, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Florence, Italy
| | - Stefano Scaringi
- Department of Experimental and Clinical Medicine, University of Firenze, Firenze, Italy
| | - Giulia Nannini
- Department of Experimental and Clinical Medicine, University of Firenze, Firenze, Italy
| | - Ferdinando Ficari
- Department of Experimental and Clinical Medicine, University of Firenze, Firenze, Italy
| | - Cristina Luceri
- Department of Neurosciences, Psychology, Drug Research and Child Health (NEUROFARBA), Florence, Italy
| | - Elena Niccolai
- Department of Experimental and Clinical Medicine, University of Firenze, Firenze, Italy
| | - Simone Baldi
- Department of Experimental and Clinical Medicine, University of Firenze, Firenze, Italy
| | - Mario D'Ambrosio
- Department of Neurosciences, Psychology, Drug Research and Child Health (NEUROFARBA), Florence, Italy
| | - Matteo Ramazzotti
- Department of Biomedical, Experimental and Clinical "Mario Serio", Florence, Italy
| | - Amedeo Amedei
- Department of Experimental and Clinical Medicine, University of Firenze, Firenze, Italy
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12
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Role of MicroRNA in Inflammatory Bowel Disease: Clinical Evidence and the Development of Preclinical Animal Models. Cells 2021; 10:cells10092204. [PMID: 34571853 PMCID: PMC8468560 DOI: 10.3390/cells10092204] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 08/24/2021] [Accepted: 08/24/2021] [Indexed: 12/11/2022] Open
Abstract
The dysregulation of microRNA (miRNA) is implicated in cancer, inflammation, cardiovascular disorders, drug resistance, and aging. While most researchers study miRNA's role as a biomarker, for example, to distinguish between various sub-forms or stages of a given disease of interest, research is also ongoing to utilize these small nucleic acids as therapeutics. An example of a common pleiotropic disease that could benefit from miRNA-based therapeutics is inflammatory bowel disease (IBD), which is characterized by chronic inflammation of the small and large intestines. Due to complex interactions between multiple factors in the etiology of IBD, development of therapies that effectively maintain remission for this disease is a significant challenge. In this review, we discuss the role of dysregulated miRNA expression in the context of clinical ulcerative colitis (UC) and Crohn's disease (CD)-the two main forms of IBD-and the various preclinical mouse models of IBD utilized to validate the therapeutic potential of targeting these miRNA. Additionally, we highlight advances in the development of genetically engineered animal models that recapitulate clinical miRNA expression and provide powerful preclinical models to assess the diagnostic and therapeutic promise of miRNA in IBD.
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13
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The Gut Microbiome and Gastrointestinal Toxicities in Pelvic Radiation Therapy: A Clinical Review. Cancers (Basel) 2021; 13:cancers13102353. [PMID: 34068216 PMCID: PMC8153110 DOI: 10.3390/cancers13102353] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/06/2021] [Accepted: 05/10/2021] [Indexed: 12/18/2022] Open
Abstract
Simple Summary A substantial proportion of cancer patients receive radiotherapy (RT) during their cancer trajectory. One of the most challenging pelvic RT-related toxicities are gastrointestinal (GI) toxicities (e.g., abdominal pain, rectal bleeding, faecal incontinence, and diarrhoea) which impair the quality of life (QoL) of patients. Mounting evidence suggests that gut microbiota plays a pivotal role in health and disease, including cancer. Our current clinical review aims to assess the impact of RT on gut microbiota and GI toxicities in cancer patients to provide useful information, in addition to standard care, for clinicians and patients. Abstract Background: Gastrointestinal (GI) toxicities are common adverse effects of pelvic radiotherapy (RT). Several recent studies revealed that toxicity of RT is associated with dysbiosis of the gut microbiome. Method: A literature search was conducted in electronic databases Medline, PubMed, and ScienceDirect, with search terms “microbiome and/or microbiota” and “radiotherapy (RT) and/or chemoradiation therapy (CRT)” and “cancer”, and the relevant literature were selected for use in this article. Results: Eight prospective cohort studies were selected for review with a total of 311 participants with a range of 15–134 participants within these studies. The selected studies were conducted in patients with gynaecological (n = 3), rectal (n = 2), or prostate cancers (n = 1), or patients with various types of malignancies (n = 2). Three studies reported that cancer patients had significantly lower alpha diversity compared with healthy controls. Seven studies found that lower alpha diversity and modulated gut microbiome were associated with GI toxicities during and after pelvic RT (n = 5) and CRT (n = 2), whereas one study found that beta diversity was related to a complete response following CRT. Two further studies reported that fatigue was associated with dysbiosis of the gut microbiome and low alpha diversity during and after RT, and with dysbiosis of the gut microbiome and diarrhoea, respectively. Conclusion: Gut microbiome profiles are associated with GI toxicities and have the potential to predict RT/CRT-induced toxicities and quality of life (QoL) in patients undergoing those treatments. Further robust randomized controlled trials (RCTs) are required to elucidate the effect of gut microbiome profiles on RT-related adverse effects and responses to RT.
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Aldars-García L, Chaparro M, Gisbert JP. Systematic Review: The Gut Microbiome and Its Potential Clinical Application in Inflammatory Bowel Disease. Microorganisms 2021; 9:microorganisms9050977. [PMID: 33946482 PMCID: PMC8147118 DOI: 10.3390/microorganisms9050977] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 04/22/2021] [Accepted: 04/29/2021] [Indexed: 02/07/2023] Open
Abstract
Inflammatory bowel disease (IBD) is a chronic relapsing-remitting systemic disease of the gastrointestinal tract. It is well established that the gut microbiome has a profound impact on IBD pathogenesis. Our aim was to systematically review the literature on the IBD gut microbiome and its usefulness to provide microbiome-based biomarkers. A systematic search of the online bibliographic database PubMed from inception to August 2020 with screening in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines was conducted. One-hundred and forty-four papers were eligible for inclusion. There was a wide heterogeneity in microbiome analysis methods or experimental design. The IBD intestinal microbiome was generally characterized by reduced species richness and diversity, and lower temporal stability, while changes in the gut microbiome seemed to play a pivotal role in determining the onset of IBD. Multiple studies have identified certain microbial taxa that are enriched or depleted in IBD, including bacteria, fungi, viruses, and archaea. The two main features in this sense are the decrease in beneficial bacteria and the increase in pathogenic bacteria. Significant differences were also present between remission and relapse IBD status. Shifts in gut microbial community composition and abundance have proven to be valuable as diagnostic biomarkers. The gut microbiome plays a major role in IBD, yet studies need to go from casualty to causality. Longitudinal designs including newly diagnosed treatment-naïve patients are needed to provide insights into the role of microbes in the onset of intestinal inflammation. A better understanding of the human gut microbiome could provide innovative targets for diagnosis, prognosis, treatment and even cure of this relevant disease.
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Affiliation(s)
- Laila Aldars-García
- Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Universidad Autónoma de Madrid, 28006 Madrid, Spain; (L.A.-G.); (M.C.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28006 Madrid, Spain
| | - María Chaparro
- Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Universidad Autónoma de Madrid, 28006 Madrid, Spain; (L.A.-G.); (M.C.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28006 Madrid, Spain
| | - Javier P. Gisbert
- Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Universidad Autónoma de Madrid, 28006 Madrid, Spain; (L.A.-G.); (M.C.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28006 Madrid, Spain
- Correspondence: ; Tel.: +34-913-093-911; Fax: +34-915-204-013
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15
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Lei Z, Yang L, Lei Y, Yang Y, Zhang X, Song Q, Chen G, Liu W, Wu H, Guo J. High dose lithium chloride causes colitis through activating F4/80 positive macrophages and inhibiting expression of Pigr and Claudin-15 in the colon of mice. Toxicology 2021; 457:152799. [PMID: 33901603 DOI: 10.1016/j.tox.2021.152799] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 04/02/2021] [Accepted: 04/21/2021] [Indexed: 01/08/2023]
Abstract
OBJECTIVE Lithium chloride (LiCl) was a mood stabilizer for bipolar affective disorders and it could activate Wnt/β-catenin signaling pathway both in vivo and in vitro. Colon is one of a very susceptible tissues to Wnt signaling pathway, and so it would be very essential to explore the toxic effect of a high dose of LiCl on colon. METHODS C57BL/6 mice were injected intraperitoneally with 200 mg/kg LiCl one dose a day for 5 days to activate Wnt signal pathway in intestines. H&E staining was used to assess the colonic tissues of mice treated with high dose of LiCl. The expression of inflammation-associated genes and tight junction-associated genes in colons was measured using qPCR, Western blot and immunostaining methods. The gut microbiome was tested through 16S rDNA gene analysis. RESULTS The differentiation of enteroendocrine cells in colon was inhibited by treatment of 200 mg/kg LiCl. The F4/80 positive macrophages in colon were activated by high dose of LiCl, and migrated from the submucosa to the lamina propria. The expression of pro-inflammatory genes TNFα and IL-1β was increased in the colon of high dose of LiCl treated mice. Clostridium_sp_k4410MGS_306 and Prevotellaceae_UCG_001 were specific and predominant for the high dose of LiCl treated mice. The expression of IgA coding genes, Pigr and Claudin-15 was significantly decreased in the colon tissues of the high dose of LiCl treated mice. CONCLUSION 200 mg/kg LiCl might cause the inflammation in colon of mice through activating F4/80 positive macrophages and inhibiting the expression of IgA coding genes in plasma cells and the expression of Pigr and Claudin-15 in colonic epithelial cells, providing evidences for the toxic effects of high dose of LiCl on colon.
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Affiliation(s)
- Zili Lei
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangdong TCM Key Laboratory for Metabolic Disease, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, 510006, PR China.
| | - Lanxiang Yang
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangdong TCM Key Laboratory for Metabolic Disease, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, 510006, PR China; School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, 510006, PR China
| | - Yuting Lei
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangdong TCM Key Laboratory for Metabolic Disease, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, 510006, PR China
| | - Yanhong Yang
- The First Affiliated Hospital (School of Clinical Medicine), Guangdong Pharmaceutical University, Nong-Lin-Xia Road 19#, Yue-Xiu District, Guangzhou 510080, PR China
| | - Xueying Zhang
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangdong TCM Key Laboratory for Metabolic Disease, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, 510006, PR China; School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, 510006, PR China
| | - Qi Song
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangdong TCM Key Laboratory for Metabolic Disease, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, 510006, PR China
| | - Guibin Chen
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangdong TCM Key Laboratory for Metabolic Disease, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, 510006, PR China
| | - Wanwan Liu
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangdong TCM Key Laboratory for Metabolic Disease, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, 510006, PR China
| | - Huijuan Wu
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangdong TCM Key Laboratory for Metabolic Disease, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, 510006, PR China; School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, 510006, PR China
| | - Jiao Guo
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangdong TCM Key Laboratory for Metabolic Disease, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, 510006, PR China.
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16
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Ponsuksili S, Hadlich F, Reyer H, Oster M, Trakooljul N, Iqbal MA, Sommerfeld V, Rodehutscord M, Wimmers K. Genetic background and production periods shape the microRNA profiles of the gut in laying hens. Genomics 2021; 113:1790-1801. [PMID: 33848585 DOI: 10.1016/j.ygeno.2021.04.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 03/05/2021] [Accepted: 04/08/2021] [Indexed: 12/31/2022]
Abstract
There is growing evidence of the importance of miRNAs for intestinal functional properties and nutritional uptake. Comparative miRNAs profiles of the jejunal mucosa were established against two genetic backgrounds (Lohmann Brown-Classic (LB) and Lohmann LSL-Classic (LSL), which are similar in egg production but differ in physiological traits including mineral utilization, along the production periods of laying hens. The target genes of miRNAs higher expressed in LB vs. LSL (miR-126-3p, miR-214, miR-24-3p, miR-726-5p, miR-29b-3p) were enriched for energy pathways at all stages. The target genes of the miRNAs higher in LSL (miR-1788-5p, miR-103-3p, miR-22-5p, miR-221-3p, miR-375) were more enriched for immune and the bone signalling pathways. The most prominent expression differences were between 16 and 24 weeks of age before and after onset of laying. Our results evidence central roles of intestinal miRNAs as regulators of gene expression, influencing intestinal homeostasis and adaptation to environment in different strains and production phases.
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Affiliation(s)
- Siriluck Ponsuksili
- Leibniz Institute for Farm Animal Biology, Institute for Genome Biology, Wilhelm-Stahl-Allee 2, 18196 Dummerstorf, Germany.
| | - Frieder Hadlich
- Leibniz Institute for Farm Animal Biology, Institute for Genome Biology, Wilhelm-Stahl-Allee 2, 18196 Dummerstorf, Germany
| | - Henry Reyer
- Leibniz Institute for Farm Animal Biology, Institute for Genome Biology, Wilhelm-Stahl-Allee 2, 18196 Dummerstorf, Germany
| | - Michael Oster
- Leibniz Institute for Farm Animal Biology, Institute for Genome Biology, Wilhelm-Stahl-Allee 2, 18196 Dummerstorf, Germany
| | - Nares Trakooljul
- Leibniz Institute for Farm Animal Biology, Institute for Genome Biology, Wilhelm-Stahl-Allee 2, 18196 Dummerstorf, Germany
| | - Muhammad A Iqbal
- Leibniz Institute for Farm Animal Biology, Institute for Genome Biology, Wilhelm-Stahl-Allee 2, 18196 Dummerstorf, Germany
| | - Vera Sommerfeld
- University of Hohenheim, Institute of Animal Science, 70599 Stuttgart, Germany
| | - Markus Rodehutscord
- University of Hohenheim, Institute of Animal Science, 70599 Stuttgart, Germany
| | - Klaus Wimmers
- Leibniz Institute for Farm Animal Biology, Institute for Genome Biology, Wilhelm-Stahl-Allee 2, 18196 Dummerstorf, Germany; University Rostock, Faculty of Agricultural and Environmental Sciences, 18059 Rostock, Germany
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17
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Mukherjee A, Lordan C, Ross RP, Cotter PD. Gut microbes from the phylogenetically diverse genus Eubacterium and their various contributions to gut health. Gut Microbes 2020; 12:1802866. [PMID: 32835590 PMCID: PMC7524325 DOI: 10.1080/19490976.2020.1802866] [Citation(s) in RCA: 248] [Impact Index Per Article: 62.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 07/10/2020] [Accepted: 07/22/2020] [Indexed: 02/06/2023] Open
Abstract
Over the last two decades our understanding of the gut microbiota and its contribution to health and disease has been transformed. Among a new 'generation' of potentially beneficial microbes to have been recognized are members of the genus Eubacterium, who form a part of the core human gut microbiome. The genus consists of phylogenetically, and quite frequently phenotypically, diverse species, making Eubacterium a taxonomically unique and challenging genus. Several members of the genus produce butyrate, which plays a critical role in energy homeostasis, colonic motility, immunomodulation and suppression of inflammation in the gut. Eubacterium spp. also carry out bile acid and cholesterol transformations in the gut, thereby contributing to their homeostasis. Gut dysbiosis and a consequently modified representation of Eubacterium spp. in the gut, have been linked with various human disease states. This review provides an overview of Eubacterium species from a phylogenetic perspective, describes how they alter with diet and age and summarizes its association with the human gut and various health conditions.
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Affiliation(s)
- Arghya Mukherjee
- Department of Food Biosciences, Teagasc Food Research Centre, Moorepark, Fermoy, Ireland
| | - Cathy Lordan
- Department of Food Biosciences, Teagasc Food Research Centre, Moorepark, Fermoy, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | - R. Paul Ross
- School of Microbiology, University College Cork, Cork, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Paul D. Cotter
- Department of Food Biosciences, Teagasc Food Research Centre, Moorepark, Fermoy, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
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18
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Rodríguez C, Romero E, Garrido-Sanchez L, Alcaín-Martínez G, Andrade RJ, Taminiau B, Daube G, García-Fuentes E. MICROBIOTA INSIGHTS IN CLOSTRIDIUM DIFFICILE INFECTION AND INFLAMMATORY BOWEL DISEASE. Gut Microbes 2020; 12:1725220. [PMID: 32129694 PMCID: PMC7524151 DOI: 10.1080/19490976.2020.1725220] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Inflammatory bowel disease (IBD) is characterized by chronic intestinal inflammation that includes Crohn´s disease (CD) and ulcerative colitis (UC). Although the etiology is still unknown, some specific factors have been directly related to IBD, including genetic factors, abnormal intestinal immunity, and/or gut microbiota modifications. Recent findings highlight the primary role of the gut microbiota closely associated with a persistent inappropriate inflammatory response. This gut environment of dysbiosis in a susceptible IBD host can increasingly worsen and lead to colonization and infection with some opportunistic pathogens, especially Clostridium difficile. C. difficile is an intestinal pathogen considered the main cause of antibiotic-associated diarrhea and colitis and an important complication of IBD, which can trigger or worsen an IBD flare. Recent findings have highlighted the loss of bacterial cooperation in the gut ecosystem, as well as the pronounced intestinal dysbiosis, in patients suffering from IBD and concomitant C. difficile infection (CDI). The results of intestinal microbiota studies are still limited and often difficult to compare because of the variety of disease conditions. However, these data provide important clues regarding the main modifications and interrelations in the complicated gut ecosystem to better understand both diseases and to take advantage of the development of new therapeutic strategies. In this review, we analyze in depth the gut microbiota changes associated with both forms of IBD and CDI and their similarity with the dysbiosis that occurs in CDI. We also discuss the metabolic pathways that favor the proliferation or decrease in several important taxa directly related to the disease.
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Affiliation(s)
- C. Rodríguez
- Instituto de Investigación Biomédica de Málaga-IBIMA, Málaga, Spain,Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, Málaga, Spain,CONTACT C. Rodríguez Instituto de Investigación Biomédica de Málaga-IBIMA, Málaga, SpainUnidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Vitoria, Málaga, Spain
| | - E. Romero
- Instituto de Investigación Biomédica de Málaga-IBIMA, Málaga, Spain
| | - L. Garrido-Sanchez
- Instituto de Investigación Biomédica de Málaga-IBIMA, Málaga, Spain,Unidad de Gestión Clínica de Endocrinología y Nutrición, Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | - G. Alcaín-Martínez
- Instituto de Investigación Biomédica de Málaga-IBIMA, Málaga, Spain,Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | - RJ. Andrade
- Instituto de Investigación Biomédica de Málaga-IBIMA, Málaga, Spain,Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, Málaga, Spain,Department of Medicine and Dermatology, Universidad de Málaga, Málaga, Spain,Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Málaga, Spain
| | - B. Taminiau
- Fundamental and Applied Research for Animals & Health (FARAH), Department of Food Microbiology, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - G. Daube
- Fundamental and Applied Research for Animals & Health (FARAH), Department of Food Microbiology, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - E. García-Fuentes
- Instituto de Investigación Biomédica de Málaga-IBIMA, Málaga, Spain,Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario Virgen de la Victoria, Málaga, Spain
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Amaro F, Chiarelli F. Growth and Puberty in Children with Inflammatory Bowel Diseases. Biomedicines 2020; 8:biomedicines8110458. [PMID: 33138015 PMCID: PMC7692295 DOI: 10.3390/biomedicines8110458] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 10/27/2020] [Accepted: 10/28/2020] [Indexed: 12/11/2022] Open
Abstract
Inflammatory bowel diseases (IBD) are gastrointestinal tract pathologies of unknown etiology; they have an alternating trend, with active and silent phases. IBD are classified in two main forms: ulcerative colitis (UC) and Crohn’s disease (CD). Both have chronic and recurrent course, gastrointestinal symptoms, and extraintestinal manifestations. The altered immune response role seems to be important both in UC and CD. In the majority of cases, CD begins with abdominal pain, diarrhea, decrease in appetite, and weight loss; there can be also perianal fistulas, rhagades, and perianal recurrent abscesses. In addition, retarded growth and delayed puberty can precede the development of the disease or can even be predominant at onset. Growth retardation is found in 40% of IBD patients, but the underlying mechanism of this and other extra-intestinal manifestations are partially known: the main hypotheses are represented by malnutrition and inflammatory response during the active phase of the disease. The increased level of pro-inflammatory cytokines can influence growth, but also the onset of puberty and its progression. In addition, it could be essential to clarify the role and the possible effects of all the currently used treatments concerning growth failure and delayed puberty.
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20
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Zhu C, Xu W, Tao Z, Song W, Liu H, Zhang S, Li H. Effects of Rearing Conditions and Sex on Cecal Microbiota in Ducks. Front Microbiol 2020; 11:565367. [PMID: 33133040 PMCID: PMC7578374 DOI: 10.3389/fmicb.2020.565367] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 09/10/2020] [Indexed: 01/14/2023] Open
Abstract
The intestinal microbiome influences the health of animals. However, little is known about the impact of indoor conditions and sex on intestinal microbiome diversity and composition in ducks. The present study aimed to investigate differences in the cecal microbiome between male and female ducks reared on the floor (PY group) or in cages (LY group). We also determined the relationships between cecal microbiota composition and slaughter traits, and the expression levels of mucosal and intestinal structural genes in ducks. There was a slight difference in slaughter traits among the groups, with cecum weight being significantly lighter in the LY compared with the PY group, especially in females (p < 0.05). Analysis of the alpha diversity of the cecal microbiota between males and females in the LY and PY groups showed that LY males had significantly lower diversity and richness. Beta diversity analysis demonstrated differences in the microbiota composition in relation to rearing conditions, and a significant difference between the sexes in the PY groups. The dominant bacterial phyla in duck cecum were Bacteroidetes, Firmicutes, Proteobacteria, and Fusobacteria. The relative abundances of the most common bacteria revealed that the intestinal microbiota diversity and composition were affected by both feeding conditions and sex. Several bacterial genera were detected differentially among the groups. These genera were correlated with slaughter traits and expression levels of mucosal and cecal structural genes in ducks. In conclusion, rearing conditions, sex, and associated changes in the cecal microbiota are thus associated with gut barrier functions in ducks.
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Affiliation(s)
- Chunhong Zhu
- Jiangsu Institute of Poultry Science, Yangzhou, China
| | - Wenjuan Xu
- Jiangsu Institute of Poultry Science, Yangzhou, China
| | - Zhiyun Tao
- Jiangsu Institute of Poultry Science, Yangzhou, China
| | - Weitao Song
- Jiangsu Institute of Poultry Science, Yangzhou, China
| | - Hongxiang Liu
- Jiangsu Institute of Poultry Science, Yangzhou, China
| | | | - Huifang Li
- Jiangsu Institute of Poultry Science, Yangzhou, China
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21
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In search for interplay between stool microRNAs, microbiota and short chain fatty acids in Crohn's disease - a preliminary study. BMC Gastroenterol 2020; 20:307. [PMID: 32958038 PMCID: PMC7507689 DOI: 10.1186/s12876-020-01444-3] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 09/09/2020] [Indexed: 12/19/2022] Open
Abstract
Background Inflammatory bowel diseases are classic polygenic disorders, with genetic loads that reflect immunopathological processes in response to the intestinal microbiota. Herein we performed the multiomics analysis by combining the large scale surveys of gut bacterial community, stool microRNA (miRNA) and short chain fatty acid (SCFA) signatures to correlate their association with the activity of Crohn’s disease (CD). Methods DNA, miRNA, and metabolites were extracted from stool samples of 15 CD patients, eight with active disease and seven in remission, and nine healthy individuals. Microbial, miRNA and SCFA profiles were assessed using datasets from 16S rRNA sequencing, Nanostring miRNA and GC-MS targeted analysis, respectively. Results Pairwise comparisons showed that 9 and 23 taxa differed between controls and CD patients with active and inactive disease, respectively. Six taxa were common to both comparisons, whereas four taxa differed in CD patients. α-Diversity was lower in both CD groups than in controls. The levels of 13 miRNAs differed (p-value < 0.05; FC > 1.5) in CD patients and controls before FDR correction and 4 after. Of six SCFAs, the levels of two differed significantly (p-value < 0.05, FC > 1.5) in CD patients and controls, and the levels of four differed in patients with active and inactive CD. PLS-DA revealed models with smallest error rate for controls in bacterial component and inactive disease in metabolites. Conclusion A complex interrelationship may exist between gut dysbiosis, miRNA profiling and SCFA level in response to intestinal inflammation.
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22
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Bi K, Zhang X, Chen W, Diao H. MicroRNAs Regulate Intestinal Immunity and Gut Microbiota for Gastrointestinal Health: A Comprehensive Review. Genes (Basel) 2020; 11:genes11091075. [PMID: 32932716 PMCID: PMC7564790 DOI: 10.3390/genes11091075] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 08/24/2020] [Accepted: 09/09/2020] [Indexed: 12/12/2022] Open
Abstract
MicroRNAs are small non-coding RNAs regulating gene expression at the post-transcriptional level. The regulation of microRNA expression in the gut intestine is gradually recognized as one of the crucial contributors of intestinal homeostasis and overall health. Recent studies indicated that both the microRNAs endogenous in the gut intestine and exogenous from diets could play influential roles in modulating microbial colonization and intestinal immunity. In this review, we discuss the biological functions of microRNAs in regulating intestinal homeostasis by modulating intestinal immune responses and gut microbiota. We particularly focus on addressing the microRNA-dependent communication and interactions among microRNA, gut microbiota, and intestinal immune system. Besides, we also summarize the roles of diet-derived microRNAs in host-microbiome homeostasis and their benefits on intestinal health. A better understanding of the relationships among intestinal disorders, microRNAs, and other factors influencing intestinal health can facilitate the application of microRNA-based therapeutics for gastrointestinal diseases.
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Porter AC, Aubrecht J, Birch C, Braun J, Cuff C, Dasgupta S, Gale JD, Hinton R, Hoffmann SC, Honig G, Linggi B, Schito M, Casteele NV, Sauer JM. Biomarkers of Crohn's Disease to Support the Development of New Therapeutic Interventions. Inflamm Bowel Dis 2020; 26:1498-1508. [PMID: 32840322 PMCID: PMC7500523 DOI: 10.1093/ibd/izaa215] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND Currently, 2 coprimary end points are used by health authorities to determine the effectiveness of therapeutic interventions in patients with Crohn's disease (CD): symptomatic remission (patient-reported outcome assessment) and endoscopic remission (ileocolonoscopy). However, there is lack of accepted biomarkers to facilitate regulatory decision-making in the development of novel therapeutics for the treatment of CD. METHODS With support from the Helmsley Charitable Trust, Critical Path Institute formed the Crohn's Disease Biomarkers preconsortium (CDBpC) with members from the pharmaceutical industry, academia, and nonprofit organizations to evaluate the CD biomarker landscape. Biomarkers were evaluated based on biological relevance, availability of biomarker assays, and clinical validation data. RESULTS The CDBpC identified the most critical need as pharmacodynamic/response biomarkers to monitor disease activity in response to therapeutic intervention. Fecal calprotectin (FC) and serum C-reactive protein (CRP) were identified as biomarkers ready for the regulatory qualification process. A number of exploratory biomarkers and potential panels of these biomarkers was also identified for additional development. Given the different factors involved in CD and disease progression, a combination of biomarkers, including inflammatory, tissue injury, genetic, and microbiome-associated biomarkers, will likely have the most utility. CONCLUSIONS The primary focus of the Inflammatory Bowel Disease Regulatory Science Consortium will be development of exploratory biomarkers and the qualification of FC and CRP for IBD. The Inflammatory Bowel Disease Regulatory Science Consortium, focused on tools to support IBD drug development, will operate in the precompetitive space to share data, biological samples for biomarker testing, and assay information for novel biomarkers.
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Affiliation(s)
| | | | | | | | | | | | - Jeremy D Gale
- Pfizer Worldwide, Research, Development and Medical, Cambridge, MA, USA
| | - Robert Hinton
- The David R Clare and Margaret C Clare Foundation, Morristown, NJ, USA
| | | | | | | | | | - Niels Vande Casteele
- Department of Medicine, University of California San Diego, CA, USA,Robarts Clinical Trials Inc., London, ON, Canada
| | - John-Michael Sauer
- Critical Path Institute, AZ, USA,Address correspondence to: John-Michael Sauer, Critical Path Institute, 1730 E. River Rd Suite 200, Tucson, Arizona 85718, USA. E-mail:
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Mirzakhani M, Khalili A, Shahbazi M, Abediankenari S, Ebrahimpour S, Mohammadnia-Afrouzi M. Under-expression of microRNA-146a and 21 and their association with Crohn's disease. Indian J Gastroenterol 2020; 39:405-410. [PMID: 32949355 DOI: 10.1007/s12664-020-01059-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Accepted: 05/21/2020] [Indexed: 02/06/2023]
Abstract
MicroRNAs (miRNAs) can post-transcriptionally regulate gene expression and are involved in the immune response. Excessive immune response to the gut microbiota plays a major role in the pathogenesis of Crohn's disease (CD). Regarding the role of miRNAs in immune response, this study aimed to investigate the contribution of miRNAs in the pathogenesis of CD. A total of 53 participants, including 23 CD patients and 30 healthy controls (HCs) were enrolled in this study. miRNAs, including miR-21, miR-29a, miR-29b, miR-31, miR-146a, miR-155, miR-181a, and miR-181c were evaluated via TaqMan MicroRNA Assays. Among the eight miRNAs, the amounts of miR-146a and miR-21 were significantly decreased in the CD patients relative to HC subjects. Moreover, we showed that there was a negative correlation between miR-146a and Harvey-Bradshaw index (HBI), as well as a positive correlation of miR-21 and miR-29b with HBI. Under-expression of miR-146a and miR-21, which are critical for the regulatory function of regulatory T cells (Tregs), is remarkably associated with CD.
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Affiliation(s)
- Mohammad Mirzakhani
- Student Research Committee, School of Medicine, Babol University of Medical Sciences, Babol, Iran.,Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Ganjafrooz Street, Babol, IR, Iran.,Immunoregulation Research Center, Health Research Institute, Babol University of Medical Sciences, Ganjafrooz Street, Babol, IR, Iran
| | - Ali Khalili
- Immunogenetics Research Center, Mazandaran University of Medical Sciences, Sari, IR, Iran
| | - Mehdi Shahbazi
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Ganjafrooz Street, Babol, IR, Iran.,Immunoregulation Research Center, Health Research Institute, Babol University of Medical Sciences, Ganjafrooz Street, Babol, IR, Iran
| | - Saeid Abediankenari
- Immunogenetics Research Center, Mazandaran University of Medical Sciences, Sari, IR, Iran
| | - Soheil Ebrahimpour
- Infectious Diseases and Tropical Medicine Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Mousa Mohammadnia-Afrouzi
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Ganjafrooz Street, Babol, IR, Iran. .,Immunoregulation Research Center, Health Research Institute, Babol University of Medical Sciences, Ganjafrooz Street, Babol, IR, Iran. .,Department of Immunology, School of Medicine, Babol University of Medical Sciences, Ganjafrooz Street, Babol, IR, Iran.
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25
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Current understanding of the gut microbiota shaping mechanisms. J Biomed Sci 2019; 26:59. [PMID: 31434568 PMCID: PMC6702754 DOI: 10.1186/s12929-019-0554-5] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 08/14/2019] [Indexed: 12/14/2022] Open
Abstract
Increasing evidences have shown strong associations between gut microbiota and many human diseases, and understanding the dynamic crosstalks of host-microbe interaction in the gut has become necessary for the detection, prevention, or therapy of diseases. Many reports have showed that diet, nutrient, pharmacologic factors and many other stimuli play dominant roles in the modulation of gut microbial compositions. However, it is inappropriate to neglect the impact of host factors on shaping the gut microbiota. In this review, we highlighted the current findings of the host factors that could modulate the gut microbiota. Particularly the epithelium-associated factors, including the innate immune sensors, anti-microbial peptides, mucus barrier, secretory IgAs, epithelial microvilli, epithelial tight junctions, epithelium metabolism, oxygen barrier, and even the microRNAs are discussed in the context of the microbiota shaping. With these shaping factors, the gut epithelial cells could select the residing microbes and affect the microbial composition. This knowledge not only could provide the opportunities to better control many diseases, but may also be used for predicting the success of fecal microbiota transplantation clinically.
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