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https://www.readbyqxmd.com/read/28927251/fecal-microbiota-transplantation-past-present-and-future-perspectives
#1
Stefano Bibbò, Gianluca Ianiro, Antonio Gasbarrini, Giovanni Cammarota
Gut microbiota is known to play a main role in regulating both health and disease in humans. Strategies for the therapeutic modulation of gut microbiota are therefore expected to give a relevant contribution in the management of disorders associated with its impairment. Among these options, one of the most renowned is fecal microbiota transplantation (FMT). A growing body of evidence showed clearly that FMT is an effective treatment against recurrent Clostridium difficile infection. Moreover, it was shown to be a promising therapy for the management of several noncommunicable disorders, including inflammatory bowel diseases and metabolic disorders...
December 2017: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/28925886/the-microbiota-gut-brain-axis-in-neuropsychiatric-disorders-pathophysiological-mechanisms-and-novel-treatments
#2
Yong-Ku Kim, Cheolmin Shin
BACKGROUND: The human gut microbiome comprise a huge number of microorganisms with co-evolutionary associations with humans. It has been repeatedly revealed that bidirectional communication exists between the brain and the gut and involves neural, hormonal, and immunological pathways. Evidences from neuroscience researches over the past few years suggest that microbiota is essential for the development and maturation of brain systems that are associated to stress responses. METHOD: This review provides that the summarization of the communication among microbiota, gut and brain and the results of preclinical and clinical studies on gut microbiota used in treatments for neuropsychiatric disorders...
September 15, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28923757/clinical-practice-and-infrastructure-review-of-fecal-microbiota-transplantation-for-clostridium-difficile-infection
#3
REVIEW
Brendan J Kelly, Pablo Tebas
A significant proportion of C. difficile infection (CDI) cases recur after completion of antibiotic therapy, and antibiotic cure rates diminish with each recurrence of CDI. Fecal microbiota transplantation (FMT) is an effective therapy for recurrent FMT, which otherwise requires prolonged or indefinite antibiotic treatment. FMT is performed by introducing the fecal microbial community obtained from a healthy donor or pool of donors into the stomach, small intestine, or colon of a patient with CDI. Multiple clinical trials support the utility of FMT in treating recurrent CDI, and CDI treatment guidelines now include consideration of FMT at the third CDI recurrence...
September 15, 2017: Chest
https://www.readbyqxmd.com/read/28922255/systematic-review-and-meta-analysis-fecal-microbiota-transplantation-for-treatment-of-active-ulcerative-colitis
#4
Neeraj Narula, Zain Kassam, Yuhong Yuan, Jean-Frederic Colombel, Cyriel Ponsioen, Walter Reinisch, Paul Moayyedi
BACKGROUND: Changes in the colonic microbiota may play a role in the pathogenesis of ulcerative colitis (UC) and restoration of healthy gut microbiota may ameliorate disease. A systematic review and meta-analysis was conducted to assess fecal microbiota transplantation (FMT) as a treatment for active UC. METHODS: A literature search was conducted to identify high-quality studies of FMT as a treatment for patients with UC. The primary outcome was combined clinical remission and endoscopic remission or response...
August 23, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28915667/assessment-of-near-infrared-fluorophores-to-study-the-biodistribution-and-tumor-targeting-of-an-il13-receptor-%C3%AE-2-antibody-by-fluorescence-molecular-tomography
#5
Parul Gupta, Jo-Ann Wentland, Mauricio Leal, Dangshe Ma, Rachel Roach, Antonio Esparza, Lindsay King, Mary E Spilker, Cedo Bagi, Christopher T Winkelmann, Anand Giddabasappa
Non-invasive imaging using radiolabels is a common technique used to study the biodistribution of biologics. Due to the limited shelf-life of radiolabels and the requirements of specialized labs, non-invasive optical imaging is an attractive alternative for preclinical studies. Previously, we demonstrated the utility of fluorescence molecular tomography (FMT) an optical imaging modality in evaluating the biodistribution of antibody-drug conjugates. As FMT is a relatively new technology, few fluorophores have been validated for in vivo imaging...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28914862/-liver-diseases-the-pathogenetic-role-of-the-gut-microbiome-and-the-potential-of-treatment-for-its-modulation
#6
K A Aitbaev, I T Murkamilov, V V Fomin
The paper gives an update on the role of the gut microbiome (GM) in the development of nonalcoholic fatty liver disease, nonalcoholic steatohepatitis, alcoholic liver disease, liver cirrhosis (LC), and its complications, such as hepatic encephalopathy (HE) and hepatocellular carcinoma (HCC), and discusses the possibilities of its correction with prebiotics, probiotics, synbiotics, antibiotics, and fecal microbiota transplantation (FMT). The pathophysiology of the liver diseases in question demonstrates some common features that are characterized by pathogenic changes in the composition of the gastrointestinal tract microflora, by intestinal barrier impairments, by development of endotoxemia, by increased liver expression of proinflammatory factors, and by development of liver inflammation...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28906291/systematic-review-and-meta-analysis-fecal-microbiota-transplantation-for-treatment-of-active-ulcerative-colitis
#7
Neeraj Narula, Zain Kassam, Yuhong Yuan, Jean-Frederic Colombel, Cyriel Ponsioen, Walter Reinisch, Paul Moayyedi
BACKGROUND: Changes in the colonic microbiota may play a role in the pathogenesis of ulcerative colitis (UC) and restoration of healthy gut microbiota may ameliorate disease. A systematic review and meta-analysis was conducted to assess fecal microbiota transplantation (FMT) as a treatment for active UC. METHODS: A literature search was conducted to identify high-quality studies of FMT as a treatment for patients with UC. The primary outcome was combined clinical remission and endoscopic remission or response...
October 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28871143/dysbiosis-contributes-to-chronic-constipation-development-via-regulation-of-serotonin-transporter-in-the-intestine
#8
Hailong Cao, Xiang Liu, Yingying An, Guoqiong Zhou, Yanrong Liu, Mengque Xu, Wenxiao Dong, Sinan Wang, Fang Yan, Kui Jiang, Bangmao Wang
Chronic constipation is a prevalent functional gastrointestinal disorder accompanied with intestinal dysbiosis. However, causal relationship between dysbiosis and constipation remains poorly understood. Serotonin transporter (SERT) is a transmembrane transport protein which re-uptakes excessive 5-hydroxytryptamine (5-HT) from effective location to terminate its physiological effects and involves in regulating gastrointestinal motility. In this study, fecal microbiota from patients with constipation and healthy controls were transplanted into the antibiotic depletion mice model...
September 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28869008/-faecal-microbiota-transplantation-for-the-treatment-of-bowel-disease
#9
Anne A Rode, Mahtab Chehri, Andreas Munk Petersen, Peter Bytzer
Faecal microbiota transplantation (FMT) is the transferral of faeces from a healthy donor to a patient with a disease linked to disturbances in the gut microbiota. The treatment has been implemented at several hospitals in Denmark, and banks with frozen donor stool material have been established. The effect of FMT for recurrent Clostridium difficile infection is well-documented. FMT cannot be recommended for routine clinical use for inflammatory bowel disease and irritable bowel syndrome because of lack of data from clinical trials...
July 31, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28863010/faecal-microbiota-transplantation-establishment-of-a-clinical-application-framework
#10
Simon M D Jørgensen, Mette M Hansen, Christian Erikstrup, Jens F Dahlerup, Christian L Hvas
BACKGROUND: Faecal microbiota transplantation (FMT) is currently being established as a second-line treatment for recurrent Clostridium difficile infection. FMT is further being considered for other infectious and inflammatory conditions. Safe and reproducible methods for donor screening, laboratory processing and clinical application of FMT are warranted. METHODS: Here, we describe the development of a complete clinical application framework for FMT. The framework has been developed to comply with the European Tissue Act, thus considering donor faeces for FMT comparable to a human tissue and not a drug...
August 31, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28858073/the-current-landscape-and-lessons-from-fecal-microbiota-transplantation-for-inflammatory-bowel-disease-past-present-and-future
#11
Jessica Allegretti, Lindsay M Eysenbach, Najwa El-Nachef, Monika Fischer, Colleen Kelly, Zain Kassam
Fecal microbiota transplantation (FMT) has changed the standard of care for Clostridium difficile infection. However, there is limited data focusing on efficacy and safety profile of FMT in patients with C. difficile infection with underlying inflammatory bowel disease (IBD), including the risk of IBD flare. Recently, there is also emerging evidence supporting the role of FMT to treat IBD including promising randomized trials in ulcerative colitis. However, with heterogeneity across these studies, the clinical application of this emerging therapy has yet to be fully elucidated...
August 29, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28856092/comparison-of-18-f-flutemetamol-and-11-c-pittsburgh-compound-b-in-cognitively-normal-young-cognitively-normal-elderly-and-alzheimer-s-disease-dementia-individuals
#12
Val J Lowe, Emily Lundt, David Knopman, Matthew L Senjem, Jeffrey L Gunter, Christopher G Schwarz, Bradley J Kemp, Clifford R Jack, Ronald C Petersen
BACKGROUND: Understanding the variation in uptake between different amyloid PET tracers is important to appropriately interpret data using different amyloid tracers. Therefore, we compared the uptake differences in [(18)F]Flutemetamol (FMT) and [(11)C]PiB (PiB) PET in the same people. METHODS: Structural MRI, FMT PET and PiB PET were each performed in 30 young cognitively normal (yCN), 31 elderly cognitively normal (eCN) and 21 Alzheimer's disease dementia (AD) participants...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28852524/fecal-microbiota-transplantation-for-clostridium-difficile-infection-in-patients-with-ileal-pouches
#13
Nan Lan, Jean Ashburn, Bo Shen
Background:Clostridium difficile infection (CDI) in patients with ileal pouch-anal anastomosis (IPAA) has been increasingly recognized. The aim of this study was to evaluate the outcome of fecal microbiota transplantation (FMT) in patients with pouch and CDI. Methods: All consecutive patients that underwent FMT for CDI from 2012 to 2016 were extracted from our IRB-approved, prospectively maintained Registry of Pouch Disorders. The primary outcome was negative stool tests for Clostridium difficile after FMT and the secondary outcomes were symptomatic and endoscopic responses...
August 2017: Gastroenterology Report
https://www.readbyqxmd.com/read/28840809/fecal-microbiota-transplantation-therapeutic-potential-for-a-multitude-of-diseases-beyond-clostridium-difficile
#14
Guido J Bakker, Max Nieuwdorp
The human intestinal tract contains trillions of bacteria, collectively called the gut microbiota. Recent insights have linked the gut microbiota to a plethora of diseases, including Clostridium difficile infection (CDI), inflammatory bowel disease (IBD), and metabolic diseases such as obesity, type 2 diabetes (T2D), and nonalcoholic steatohepatitis (NASH). Fecal microbiota transplantation (FMT) is currently tested as a therapeutic option in various diseases and can also help to dissect association from causality with respect to gut microbiota and disease...
August 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28840580/fmt-in-ibd-what-have-we-learned
#15
EDITORIAL
Colleen R Kelly, Jessica R Allegretti
No abstract text is available yet for this article.
August 24, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28827811/long-term-taxonomic-and-functional-divergence-from-donor-bacterial-strains-following-fecal-microbiota-transplantation-in-immunocompromised-patients
#16
Eli L Moss, Shannon B Falconer, Ekaterina Tkachenko, Mingjie Wang, Hannah Systrom, Jasmin Mahabamunuge, David A Relman, Elizabeth L Hohmann, Ami S Bhatt
Immunocompromised individuals are at high risk of developing Clostridium difficile-associated disease (CDAD). Fecal microbiota transplantation (FMT) is a highly effective therapy for refractory or recurrent CDAD and, despite safety concerns, has recently been offered to immunocompromised patients. We investigated the genomics of bacterial composition following FMT in immunocompromised patients over a 1-year period. Metagenomic, strain and gene-level bacterial dynamics were characterized in two CDAD-affected hematopoietic stem cell (HCT) recipients following FMT...
2017: PloS One
https://www.readbyqxmd.com/read/28827258/protocol-for-a-randomised-placebo-controlled-pilot-study-for-assessing-feasibility-and-efficacy-of-faecal-microbiota-transplantation-in-a-paediatric-ulcerative-colitis-population-pedifetch-trial
#17
Nikhil Pai, Jelena Popov
INTRODUCTION: Ulcerative colitis (UC) is a chronic, relapsing condition characterised by colonic inflammation. Increasing prevalence in early-age diagnosis provides opportunities for additional complications in later life as a result of prolonged exposure to inflammatory and therapeutic insults, necessitating novel avenues for therapeutics which may result in fewer side effects. Faecal microbiota transplantation (FMT) has previously demonstrated potential therapeutic benefit in an adult randomised-controlled trial and several recurrent Clostridium difficile infection studies...
August 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28816243/dopamine-synthesis-capacity-is-associated-with-d2-3-receptor-binding-but-not-dopamine-release
#18
Anne S Berry, Vyoma D Shah, Daniella J Furman, Robert L White, Suzanne L Baker, James P O'Neil, Mustafa Janabi, Mark D'Esposito, William J Jagust
Positron Emission Tomography (PET) imaging allows the estimation of multiple aspects of dopamine function including dopamine synthesis capacity, dopamine release, and D2/3 receptor binding. Though dopaminergic dysregulation characterizes a number of neuropsychiatric disorders including schizophrenia and addiction, there has been relatively little investigation into the nature of relationships across dopamine markers within healthy individuals. Here we used PET imaging in 40 healthy adults to compare, within individuals, estimates of dopamine synthesis capacity (Ki) using 6-[(18)F]fluoro-l-m-tyrosine ([(18)F]FMT; a substrate for aromatic amino acid decarboxylase), baseline D2/3 receptor binding potential using [(11)C]raclopride (a weak competitive D2/3 receptor antagonist), and dopamine release using [(11)C]raclopride paired with oral methylphenidate administration...
August 17, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28814204/faecal-microbiota-transplantation-for-em-clostridium-difficile-em-associated-diarrhoea-a-systematic-review-of-randomised-controlled-trials
#19
REVIEW
Paul Moayyedi, Yuhong Yuan, Harith Baharith, Alexander C Ford
OBJECTIVES: Faecal microbiota transplantation (FMT) has emerged as a useful approach for treating Clostridium difficile-associated diarrhoea (CDAD). Randomised controlled trials (RCTs) have recently evaluated its effectiveness, but systematic reviews have focused on evidence from case series. We therefore conducted a systematic review and meta-analysis of RCTs evaluating the effectiveness of FMT for treating CDAD. STUDY DESIGN: We included RCTs that primarily recruited adults with CDAD and compared the effectiveness of FMT with that of placebo, antibiotic therapy, or autologous stool transplantation, or compared different preparations or modes of delivery of FMT...
August 21, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/28811841/bacteriophages-in-the-gastrointestinal-tract-and-their-implications
#20
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
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