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Fecal microbiota transplant

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https://www.readbyqxmd.com/read/28811841/bacteriophages-in-the-gastrointestinal-tract-and-their-implications
#1
Marzanna Łusiak-Szelachowska, Beata Weber-Dąbrowska, Ewa Jończyk-Matysiak, Renata Wojciechowska, Andrzej Górski
The gut microbiota plays an essential role in health and disease of humans. Bacteriophages are the most abundant members of the gut virobiota and display great diversity. Phages can translocate through the mucosa to lymph and internal organs and play a role as regulators of the bacterial population in the gut. Increasing abundance of phages in the gut mucosa may reduce colonization by bacteria. Moreover, phages may have an immunomodulatory role in the immune response in the human gut. The role of phages in inflammatory bowel disease (IBD) remains unknown...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/28807067/iterative-fecal-microbiota-transplantations-for-eradicating-digestive-colonization-with-carbapenemase-producing-enterobacteriaceae-is-it-worth-it
#2
Rafael Mahieu, Viviane Cassisa, Diane Sanderink, Rachel Chenouard, Hélène Pailhoriès, Marie Kempf, Vincent Dubée, Matthieu Eveillard
No abstract text is available yet for this article.
August 15, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28801119/stability-and-efficacy-of-frozen-and-lyophilized-fecal-microbiota-transplant-fmt-product-in-a-mouse-model-of-clostridium-difficile-infection-cdi
#3
Zhi-Dong Jiang, Ashley Alexander, Shi Ke, Evangelia M Valilis, Shaofan Hu, Bingjie Li, Herbert L DuPont
Freezing donor fecal microbiota has simplified fecal microbiota transplantation (FMT) in the treatment of recurrent C. difficile infection (CDI). However, the optimal storage time for the frozen FMT products remains unknown. Using an established murine model of CDI, stability and efficacy of frozen and lyophilized FMT product was studied at time points from 2 months to 15 months. DNA was extracted from fecal samples from the mice with identification of specific bacterial species by real-time quantitative PCR (qPCR)...
August 9, 2017: Anaerobe
https://www.readbyqxmd.com/read/28796069/assessment-of-therapeutic-response-in-crohn-s-disease-using-quantitative-dynamic-contrast-enhanced-mri-dce-mri-parameters-a-preliminary-study
#4
Jianguo Zhu, Faming Zhang, Jinfa Zhou, Haige Li
The aim of the study was to investigate dynamic contrast enhanced MRI (DCE-MRI) as a potential marker to assess the therapeutic responses of fecal microbiota transplantation (FMT) in patients with Crohn's disease (CD) and to determine the parameter or combination of parameters most strongly associated with changes in clinical indicators after treatment.In 22 CD patients, DCE-MRI was performed with a 3.0T scanner. Parameters of DCE-MRI (vascular transfer constant [K] and blood volume [BV]) in the terminal ileum were compared between before and day 90 after FMT treatment...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28789710/transplanted-human-fecal-microbiota-enhanced-guillain-barr%C3%A3-syndrome-autoantibody-responses-after-campylobacter-jejuni-infection-in-c57bl-6-mice
#5
Phillip T Brooks, Kelsey A Brakel, Julia A Bell, Christopher E Bejcek, Trey Gilpin, Jean M Brudvig, Linda S Mansfield
BACKGROUND: Campylobacter jejuni is the leading antecedent infection to the autoimmune neuropathy Guillain-Barré syndrome (GBS), which is accompanied by an autoimmune anti-ganglioside antibody attack on peripheral nerves. Previously, we showed that contrasting immune responses mediate C. jejuni induced colitis and autoimmunity in interleukin-10 (IL-10)-deficient mice, dependent upon the infecting strain. Strains from colitis patients elicited T helper 1 (TH1)-dependent inflammatory responses while strains from GBS patients elicited TH2-dependent autoantibody production...
August 8, 2017: Microbiome
https://www.readbyqxmd.com/read/28770495/fecal-microbiota-transplantation-beyond-clostridium-difficile
#6
REVIEW
Braden Millan, Michael Laffin, Karen Madsen
PURPOSE OF REVIEW: Fecal microbiota transplantation (FMT) has been established as standard of care in the treatment of antibiotic refractory Clostridium difficile infection (RCDI). This review examines the current evidence that exists to support the use of FMT in the treatment of human disease beyond C. difficile infection. RECENT FINDINGS: Beneficial effects of FMT have been described in case series or small prospective trials on a wide spectrum of conditions, including inflammatory bowel disease, functional gastrointestinal disorders, non-alcoholic steatohepatitis, alcoholic hepatitis, hepatic encephalopathy, and neuropsychiatric conditions, and in limiting antibiotic-resistant bacterial infections...
September 2017: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/28769880/human-gut-microbiota-toward-an-ecology-of-disease
#7
REVIEW
Susannah Selber-Hnatiw, Belise Rukundo, Masoumeh Ahmadi, Hayfa Akoubi, Hend Al-Bizri, Adelekan F Aliu, Tanyi U Ambeaghen, Lilit Avetisyan, Irmak Bahar, Alexandra Baird, Fatema Begum, Hélène Ben Soussan, Virginie Blondeau-Éthier, Roxane Bordaries, Helene Bramwell, Alicia Briggs, Richard Bui, Matthew Carnevale, Marisa Chancharoen, Talia Chevassus, Jin H Choi, Karyne Coulombe, Florence Couvrette, Samantha D'Abreau, Meghan Davies, Marie-Pier Desbiens, Tamara Di Maulo, Sean-Anthony Di Paolo, Sabrina Do Ponte, Priscyla Dos Santos Ribeiro, Laure-Anne Dubuc-Kanary, Paola K Duncan, Frédérique Dupuis, Sara El-Nounou, Christina N Eyangos, Natasha K Ferguson, Nancy R Flores-Chinchilla, Tanya Fotakis, Mariam Gado Oumarou H D, Metodi Georgiev, Seyedehnazanin Ghiassy, Natalija Glibetic, Julien Grégoire Bouchard, Tazkia Hassan, Iman Huseen, Marlon-Francis Ibuna Quilatan, Tania Iozzo, Safina Islam, Dilan B Jaunky, Aniththa Jeyasegaram, Marc-André Johnston, Matthew R Kahler, Kiranpreet Kaler, Cedric Kamani, Hessam Karimian Rad, Elisavet Konidis, Filip Konieczny, Sandra Kurianowicz, Philippe Lamothe, Karina Legros, Sebastien Leroux, Jun Li, Monica E Lozano Rodriguez, Sean Luponio-Yoffe, Yara Maalouf, Jessica Mantha, Melissa McCormick, Pamela Mondragon, Thivaedee Narayana, Elizaveta Neretin, Thi T T Nguyen, Ian Niu, Romeo B Nkemazem, Martin O'Donovan, Matthew Oueis, Stevens Paquette, Nehal Patel, Emily Pecsi, Jackie Peters, Annie Pettorelli, Cassandra Poirier, Victoria R Pompa, Harshvardhan Rajen, Reginald-Olivier Ralph, Josué Rosales-Vasquez, Daria Rubinshtein, Surya Sakr, Mohammad S Sebai, Lisa Serravalle, Fily Sidibe, Ahnjana Sinnathurai, Dominique Soho, Adithi Sundarakrishnan, Veronika Svistkova, Tsolaye E Ugbeye, Megan S Vasconcelos, Michael Vincelli, Olga Voitovich, Pamela Vrabel, Lu Wang, Maryse Wasfi, Cong Y Zha, Chiara Gamberi
Composed of trillions of individual microbes, the human gut microbiota has adapted to the uniquely diverse environments found in the human intestine. Quickly responding to the variances in the ingested food, the microbiota interacts with the host via reciprocal biochemical signaling to coordinate the exchange of nutrients and proper immune function. Host and microbiota function as a unit which guards its balance against invasion by potential pathogens and which undergoes natural selection. Disturbance of the microbiota composition, or dysbiosis, is often associated with human disease, indicating that, while there seems to be no unique optimal composition of the gut microbiota, a balanced community is crucial for human health...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28761936/clostridium-difficile-colonizes-alternative-nutrient-niches-during-infection-across-distinct-murine-gut-microbiomes
#8
Matthew L Jenior, Jhansi L Leslie, Vincent B Young, Patrick D Schloss
Clostridium difficile is the largest single cause of hospital-acquired infection in the United States. A major risk factor for Clostridium difficile infection (CDI) is prior exposure to antibiotics, as they disrupt the gut bacterial community which protects from C. difficile colonization. Multiple antibiotic classes have been associated with CDI susceptibility, many leading to distinct community structures stemming from variation in bacterial targets of action. These community structures present separate metabolic challenges to C...
July 2017: MSystems
https://www.readbyqxmd.com/read/28761890/microscopic-colitis-after-fecal-microbiota-transplant
#9
Matthew J Fasullo, Yasir Al-Azzawi, Jeffrey Abergel
Microscopic colitis (MC) is an inflammatory condition of the large bowel that is associated with chronic, nonbloody diarrhea. Colonoscopy usually demonstrates normal mucosa, while tissue biopsy reveals intraepithelial lymphocytes or a subepithelial collagen band. Although no specific antibody has been discovered, MC is associated with several autoimmune disorders such as celiac disease, Hashimoto's thyroiditis, and rheumatoid arthritis. There are only a small number of case reports documenting possible hereditary MC cases, but up to 12% of patients with MC have a family history of inflammatory bowel disease...
2017: ACG Case Reports Journal
https://www.readbyqxmd.com/read/28748314/the-present-status-of-fecal-microbiota-transplantation-and-its-value-in-the-elderly
#10
REVIEW
Yao-Wen Cheng, Monika Fischer
OPINION STATEMENT: PURPOSE OF REVIEW: This article will review current literature describing fecal microbiota transplantation (FMT) in the treatment of various diseases, and its potential role in elderly patients (age ≥ 65 years). RECENT FINDINGS: Research on FMT has blossomed in the last decade and its pivotal role in the treatment of recurrent Clostridium difficile infection (CDI) has been recognized by the American College of Gastroenterology in the latest guidelines...
July 26, 2017: Current Treatment Options in Gastroenterology
https://www.readbyqxmd.com/read/28747917/upregulation-of-intestinal-barrier-function-in-mice-with-dss-induced-colitis-by-a-defined-bacterial-consortium-is-associated-with-expansion-of-il-17a-producing-gamma-delta-t-cells
#11
Ming Li, Bing Wang, Xiaotong Sun, Yan Tang, Xiaoqing Wei, Biying Ge, Yawei Tang, Ying Deng, Chunyang He, Jieli Yuan, Xia Li
Bacterial consortium transplantation (BCT) is a promising alternative to fecal microbiota transplantation in treating inflammatory bowel disease (IBD). Here, we showed that a defined bacterial consortium derived from healthy mice was able to enhance the intestinal barrier function of mice with dextran sulfate sodium (DSS)-induced colitis. Interestingly, we found that the bacterial consortium significantly promoted the expansion of IL-17A-producing γδT (γδT17) cells in colonic lamina propria, which was closely associated with changing of intestinal microbial composition...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28734127/fecal-microbiota-transplantation-for-hepatic-encephalopathy-ready-for-prime-time
#12
EDITORIAL
Puneeta Tandon, Karen Madsen, Dina Kao
No abstract text is available yet for this article.
July 22, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28733895/clinical-impact-of-pre-transplant-gut-microbial-diversity-on-outcomes-of-allogeneic-hematopoietic-stem-cell-transplantation
#13
Noriko Doki, Masahiro Suyama, Satoshi Sasajima, Junko Ota, Aiko Igarashi, Iyo Mimura, Hidetoshi Morita, Yuki Fujioka, Daisuke Sugiyama, Hiroyoshi Nishikawa, Yutaka Shimazu, Wataru Suda, Kozue Takeshita, Koji Atarashi, Masahira Hattori, Eiichi Sato, Kyoko Watakabe-Inamoto, Kosuke Yoshioka, Yuho Najima, Takeshi Kobayashi, Kazuhiko Kakihana, Naoto Takahashi, Hisashi Sakamaki, Kenya Honda, Kazuteru Ohashi
Post-transplant microbial diversity in the gastrointestinal tract is closely associated with clinical outcomes following allogeneic hematopoietic stem cell transplantation (allo-HSCT). However, little is known about the impact of the fecal microbiota before allo-HSCT. We analyzed fecal samples approximately 2 weeks before conditioning among 107 allo-HSCT recipients between 2013 and 2015. Microbial analysis was performed using 16S rRNA gene sequencing. Operational taxonomic unit-based microbial diversity was estimated by calculating the Shannon index...
July 21, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28723262/the-risk-of-inflammatory-bowel-disease-flares-after-fecal-microbiota-transplantation-systematic-review-and-meta-analysis
#14
Taha Qazi, Thelina Amaratunga, Edward L Barnes, Monika Fischer, Zain Kassam, Jessica R Allegretti
BACKGROUND: Several studies have suggested worsening in inflammatory bowel disease (IBD) activity following fecal microbiota transplantation (FMT) Aim: We aimed to assess the risk of worsening in IBD activity following FMT. METHODS: An electronic search was conducted using MEDLINE (1946-June 2016), EMBASE (1954-June 2016) and Cochrane Central Register of Controlled Trials (2016). Studies in which FMT was provided to IBD patients for IBD management or CDI treatment were included...
July 19, 2017: Gut Microbes
https://www.readbyqxmd.com/read/28719392/intestinal-microbiome-in-scleroderma-recent-progress
#15
Elizabeth R Volkmann
PURPOSE OF REVIEW: Our evolving understanding of how gut microbiota affects immune function and homeostasis has led many investigators to explore the potentially pathologic role of gut microbiota in autoimmune diseases. This review will discuss the rapidly advancing field of microbiome research in systemic sclerosis (SSc), an incurable autoimmune disease with significant gastrointestinal morbidity and mortality. RECENT FINDINGS: Recent reports have identified common perturbations in gut microbiota across different SSc cohorts...
July 15, 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28714344/going-to-the-bank-fecal-microbiota-transplantation-in-pediatrics
#16
Elaine Barfield, Lesley Small, Lauren Navallo, Aliza Solomon
No abstract text is available yet for this article.
July 1, 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/28714029/involvement-of-gut-microbiota-in-the-association-between-gastrointestinal-motility-and-5%C3%A2-ht-expression-m2-macrophage-abundance-in-the-gastrointestinal-tract
#17
Mo Yang, Hirokazu Fukui, Hirotsugu Eda, Yoshitaka Kitayama, Ken Hara, Mio Kodani, Toshihiko Tomita, Tadayuki Oshima, Jiro Watari, Hiroto Miwa
Serotonin (5‑hydroxytryptamine; 5‑HT) may be a key player in gastrointestinal (GI) motility and the GI immune system. In the present study, the effect of gut microbiota on the association between GI motility, and 5‑HT expression and macrophage abundance in the GI tract was examined. Germ‑free (GF) mice (6 weeks old) were orally administered a fecal bacterial suspension prepared from specific pathogen‑free mice and their GI tissues were evaluated 4 weeks later. The expression of 5‑HT and mannose receptor (MR) was examined by immunohistochemistry, and GI transit time (GITT) was measured by administration of carmine red solution...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28702022/preparing-the-gut-with-antibiotics-enhances-gut-microbiota-reprogramming-efficiency-by-promoting-xenomicrobiota-colonization
#18
Shou K Ji, Hui Yan, Tao Jiang, Chun Y Guo, Jing J Liu, Shuang Z Dong, Kai L Yang, Ya J Wang, Zhi J Cao, Sheng L Li
Gut microbiota plays multiple important roles in intestinal and physiological homeostasis, and using fecal microbiota transplantation (FMT) to reprogram gut microbiota has demonstrated promise for redressing intestinal and physiological disorders. This study tested the alterations in reprogramming efficiency caused by different gut preparation procedures and explored the associated underlying mechanisms. We prepared the guts of mice for FMT by administering one of the three most-clinically used pretreatments [antibiotics, bowel cleansing (BC) solution, or no pretreatment], and we found that preparing the gut with antibiotics induced a more efficient modification of the gut bacterial community than was induced by either of the other two pretreatment types...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28691996/fecal-microbiota-therapy-with-a-focus-on-c-difficile-infection
#19
Lawrence J Brandt
There has been a paradigm shift in our view of bacteria away from their role as just pathogens. We now have a deepening appreciation of their critical influences in our health maintenance, including energy harvest, metabolism, intestinal development, cell proliferation, nervous system and immune function, as well as their role to protect against intestinal and other infections. A perturbed intestinal microbiome has been associated with an increasing number of gastrointestinal (GI) and non-GI diseases but particularly with C...
July 7, 2017: Psychosomatic Medicine
https://www.readbyqxmd.com/read/28685630/the-potential-role-of-fecal-microbiota-transplantation-in-the-treatment-of-inflammatory-bowel-disease
#20
Maitham Abbas Khajah
Inflammatory bowel disease (IBD) is a chronic inflammatory disorder of an unknown etiology. Its pathogenesis involves an interplay of infectious, genetic, environmental, and immunological factors. The current therapeutic options have various limitations in terms of cost, side effect profile, and the development of drug resistance and dependence. Therefore, there is a need to develop future therapeutic options which are safe and effective to control the inflammatory process. This review focuses in a method for the administration of fecal matters (which contains a mixture of various commensals) from a healthy donor to the inflamed colon called fecal microbiota transplantation (FMT) aiming to correct the underlying dysbiosis in the gut as one of the major driving force for the inflammatory process...
July 7, 2017: Scandinavian Journal of Gastroenterology
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