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Eamonn Quigley

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https://www.readbyqxmd.com/read/28589613/the-role-of-the-microbiome-and-the-use-of-probiotics-in-gastrointestinal-disorders-in-adults-in-the-asia-pacific-region
#1
REVIEW
Uday C Ghoshal, Kok-Ann Gwee, Gerald Holtmann, Yanmei Li, Soo Jung Park, Marcellus Simadibrata, Kentaro Sugano, Kaichun Wu, Eamonn M M Quigley, Henry Cohen
The Asia-Pacific region is diverse, with regard to ethnicity, culture and economic development incorporating some of the world's least and most developed nations. Gastrointestinal diseases are common in the Asia-Pacific region and their prevalence, presentation, and management vary considerably within the region. There is growing evidence for an important role for the human gut microbiota in gastrointestinal health. As a consequence, geographic variations in the composition of the gut microbiota may contribute to variations in both the prevalence and response to therapy of specific diseases...
June 6, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28436237/bifidobacterium-infantis-35624-and-other-probiotics-in-the-management-of-irritable-bowel-syndrome-strain-specificity-symptoms-and-mechanisms
#2
Andrew P Allen, Gerard Clarke, John F Cryan, Eamonn M M Quigley, Timothy G Dinan
No abstract text is available yet for this article.
May 19, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28413018/plaa-mutations-cause-a-lethal-infantile-epileptic-encephalopathy-by-disrupting-ubiquitin-mediated-endolysosomal-degradation-of-synaptic-proteins
#3
Emma A Hall, Michael S Nahorski, Lyndsay M Murray, Ranad Shaheen, Emma Perkins, Kosala N Dissanayake, Yosua Kristaryanto, Ross A Jones, Julie Vogt, Manon Rivagorda, Mark T Handley, Girish R Mali, Tooba Quidwai, Dinesh C Soares, Margaret A Keighren, Lisa McKie, Richard L Mort, Noor Gammoh, Amaya Garcia-Munoz, Tracey Davey, Matthieu Vermeren, Diana Walsh, Peter Budd, Irene A Aligianis, Eissa Faqeih, Alan J Quigley, Ian J Jackson, Yogesh Kulathu, Mandy Jackson, Richard R Ribchester, Alex von Kriegsheim, Fowzan S Alkuraya, C Geoffrey Woods, Eamonn R Maher, Pleasantine Mill
During neurotransmission, synaptic vesicles undergo multiple rounds of exo-endocytosis, involving recycling and/or degradation of synaptic proteins. While ubiquitin signaling at synapses is essential for neural function, it has been assumed that synaptic proteostasis requires the ubiquitin-proteasome system (UPS). We demonstrate here that turnover of synaptic membrane proteins via the endolysosomal pathway is essential for synaptic function. In both human and mouse, hypomorphic mutations in the ubiquitin adaptor protein PLAA cause an infantile-lethal neurodysfunction syndrome with seizures...
May 4, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28356581/gut-microbiome-as-a-clinical-tool-in-gastrointestinal-disease-management-are-we-there-yet
#4
REVIEW
Eamonn M M Quigley
Spurred on by ever-evolving developments in analytical methodology, the microbiome, and the gut microbiome in particular, has become the hot topic in biomedical research. Ingenious experiments in animal models have revealed the extent to which the gut microbiota sustains health and how its disruption might contribute to disease pathogenesis. Not surprisingly, associations between the microbiota and disease states in humans have been the subject of considerable interest and many links proposed. However, with rare exceptions, the incrimination of an altered microbiota in disease pathogenesis seems premature at this time given our incomplete understanding of the composition of the gut microbiota in health and the effect of many confounding factors in the interpretation of supposedly abnormal microbial signatures...
May 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28289500/olmesartan-induced-enteropathy
#5
Abimbola Adike, Juan Corral, David Rybnicek, Daniel Sussman, Samir Shah, Eamonn Quigley
Olmesartan-induced enteropathy mimics celiac disease clinically and pathologically. As in celiac disease, the pathologic findings are villous atrophy and increased intraepithelial lymphocytes. Clinical presentation of olmesartan-induced enteropathy includes diarrhea, weight loss, and nausea. In contrast to celiac disease, tissue transglutaminase is not elevated and there is no response to a gluten-free diet. Including this entity in the differential diagnosis of sprue-like enteropathy is critical for its early diagnosis since replacing olmesartan with an alternative antihypertensive drug can simplify the diagnostic workup and provide both clinical and histologic improvement...
October 2016: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/28265110/bifidobacterium-breve-with-%C3%AE-linolenic-acid-alters-the-composition-distribution-and-transcription-factor-activity-associated-with-metabolism-and-absorption-of-fat
#6
Elaine Patterson, Rebecca Wall, Sara Lisai, R Paul Ross, Timothy G Dinan, John F Cryan, Gerald F Fitzgerald, Sebastiano Banni, Eamonn M Quigley, Fergus Shanahan, Catherine Stanton
This study focused on the mechanisms that fatty acid conjugating strains - Bifidobacterium breve NCIMB 702258 and Bifidobacterium breve DPC 6330 - influence lipid metabolism when ingested with α-linolenic acid (ALA) enriched diet. Four groups of BALB/c mice received ALA enriched diet (3% (w/w)) either alone or in combination with B. breve NCIMB 702258 or B. breve DPC 6330 (10(9) CFU/day) or unsupplemented control diet for six weeks. The overall n-3 PUFA score was increased in all groups receiving the ALA enriched diet...
March 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28259791/irritable-bowel-syndrome-an-infectious-disease
#7
EDITORIAL
Eamonn M M Quigley, Anthony J Lembo
No abstract text is available yet for this article.
March 1, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28164857/preface
#8
EDITORIAL
Eamonn M M Quigley
No abstract text is available yet for this article.
March 2017: Gastroenterology Clinics of North America
https://www.readbyqxmd.com/read/28164844/basic-definitions-and-concepts-organization-of-the-gut-microbiome
#9
REVIEW
Eamonn M M Quigley
New claims are frequently made for a role for the microbiome in a disease or disorder previously considered remote from the gut. The microbiome has been linked to such seemingly unrelated entities as depression, anorexia nervosa, autism, Parkinson disease, allergy, and asthma. Although many of these proposals have been based on animal studies, explorations of the microbiome in human disease continue to proliferate, facilitated by technologies that provide a detailed assessment of the microbial inhabitants of our gastrointestinal tract and their biological activities and metabolic products...
March 2017: Gastroenterology Clinics of North America
https://www.readbyqxmd.com/read/28154380/a-vanishing-hematoma-an-unusual-cause-of-lower-gastrointestinal-bleeding
#10
Ali Raza, Eamonn M Quigley
No abstract text is available yet for this article.
February 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28146447/the-gut-response-to-food-a-physiological-perspective-on-food-induced-gastrointestinal-symptoms-it-s-not-all-allergy-and-intolerance
#11
Eamonn M M Quigley
No abstract text is available yet for this article.
March 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/27997976/the-microbiome-what-will-the-future-hold
#12
Howard Paul Monsour, Eamonn M M Quigley
Current research on the human microbiome has opened our eyes to the intimate relationship that we have with the bacteria that populate our gastrointestinal tract and its potential relationship to health and disease. To date, clinical research on the microbiome has identified intriguing associations between an altered microbiome and disease states, but proven therapeutic applications have been very limited. The ingestion of prebiotics, probiotics, and/or synbiotics is appealing to the general public and has significant commercial value, but as yet, solid evidence for clinical efficacy in liver disease has been lacking due, in large part, to the paucity of high-quality clinical trials...
September 2016: Seminars in Liver Disease
https://www.readbyqxmd.com/read/27997975/primary-biliary-cirrhosis-and-the-microbiome
#13
Eamonn M M Quigley
Primary biliary cirrhosis is a rather uncommon, slowly progressive, cholestatic liver disease that predominantly affects middle-aged women. Apart from the changes in the gut microbiome that have been described in liver disease in general, little is known of the composition of the microbiome in primary biliary cirrhosis. Nevertheless, epidemiological, clinical, and some experimental evidence points to the possible role of a bacterium (or bacteria) in the initiation of the autoimmune process that leads to the development of this unique clinical phenotype...
September 2016: Seminars in Liver Disease
https://www.readbyqxmd.com/read/27997970/the-metabolic-role-of-the-microbiome-implications-for-nafld-and-the-metabolic-syndrome
#14
Eamonn M M Quigley, Ahmed Abu-Shanab, Eileen F Murphy, Catherine Stanton, Howard P Monsour
Nonalcoholic fatty liver disease (NAFLD) has rapidly emerged as one of the most prevalent liver diseases worldwide and is set to achieve virtually epidemic proportions if current trends in obesity continue. A considerable volume of data from animal experiments has revealed the magnitude of the metabolic contribution of the gut microbiome and how a disordered microbial population could contribute to the development of obesity and its complications, including NAFLD. Although considerable progress has been made in developing a role for the microbiome in NAFLD and nonalcoholic steatosis (NASH), there are still many issues to be resolved, including the nature and location of the altered microbiome (i...
September 2016: Seminars in Liver Disease
https://www.readbyqxmd.com/read/27997968/the-microbiome-and-the-liver-the-basics
#15
David W Victor, Eamonn M M Quigley
The relationships between the microbiota and other aspects of normal human biology continue to be explored. Indeed, the volume of information relating to the interplay between the host and the microbiota has grown exponentially-especially with the advent of ever-improving techniques for rapidly sequencing and identifying bacterial populations and their functions. The gut is initially sterile at birth and colonization and dynamic changes occur during infancy and early childhood in order to establish a mature microbiome...
September 2016: Seminars in Liver Disease
https://www.readbyqxmd.com/read/27798439/colonic-ischemia-usual-and-unusual-presentations-and-their-management
#16
Ayah Oglat, Eamonn M M Quigley
PURPOSE OF REVIEW: To provide an update on the epidemiology, pathophysiology, clinical presentation, and management of colonic ischemia. RECENT FINDINGS: Formerly regarded as a rare cause of lower gastrointestinal hemorrhage, colonic ischemia is now recognized to be the most common manifestation of intestinal vascular compromise. In contrast to ischemic events in the small intestine wherein thrombotic and embolic events predominate, colonic ischemia typically results from a global reduction in blood flow to the colon and no occlusive lesion(s) are evident...
January 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/27676233/leptin-modifies-the-prosecretory-and-prokinetic-effects-of-the-inflammatory-cytokine-interleukin-6-on-colonic-function-in-sprague-dawley-rats
#17
Maria M Buckley, Rebecca O'Brien, Michelle Devlin, Aisling A Creed, Mark G Rae, Niall P Hyland, Eamonn M M Quigley, Declan P McKernan, Dervla O'Malley
What is the central question of this study? Does crosstalk exist between leptin and interleukin-6 in colonic enteric neurons, and is this a contributory factor in gastrointestinal dysfunction associated with irritable bowel syndrome? What is the main finding and its importance? Leptin ameliorates the prosecretory and prokinetic effects of the pro-inflammatory cytokine interleukin-6 on rat colon. Leptin also suppresses the neurostimulatory effects of irritable bowel syndrome plasma, which has elevated concentrations of interleukin-6, on enteric neurons...
December 1, 2016: Experimental Physiology
https://www.readbyqxmd.com/read/27623513/world-gastroenterology-organisation-global-guidelines-irritable-bowel-syndrome-a-global-perspective-update-september-2015
#18
Eamonn M M Quigley, Michael Fried, Kok-Ann Gwee, Igor Khalif, A P S Hungin, Greger Lindberg, Zaigham Abbas, Luis B Fernandez, Shobna J Bhatia, Max Schmulson, Carolina Olano, Anton LeMair
No abstract text is available yet for this article.
October 2016: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/27448618/progress-in-our-understanding-of-the-gut-microbiome-implications-for-the-clinician
#19
REVIEW
Sara Iqbal, Eamonn M M Quigley
The investigation of the role of the microbial communities of our gastrointestinal tract (microbiota) has accelerated dramatically in recent years thanks to rapid developments in the technologies that allow us to fully enumerate and evaluate the full complement of bacterial species and strains that normally inhabit the gut. Laboratory studies in a range of inventive animal models continue to provide insights into the role of the microbiota in health and to generate plausible hypotheses relating to its potential involvement in the pathogenesis of human disease...
September 2016: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/27426409/immune-response-in-irritable-bowel-syndrome-a-systematic-review-of-systemic-and-mucosal-inflammatory-mediators
#20
REVIEW
Juan J Martin-Viñas, Eamonn M M Quigley
OBJECTIVE: To systematically review the available data on cytokine and immune cells in the peripheral blood and mucosal biopsy samples from patients with irritable bowel syndrome (IBS). METHODS: From a review of the literature, data on cytokines and immune cells that had been assayed in at least three independent studies were collated and trends examined. RESULTS: Levels of interleukin (IL)-10 tended to be decreased and those of IL-6, IL-8, tumor necrosis factor-α and IL-1β increased in the systemic circulation in IBS, while in the mucosa, IL-10 was decreased and IL-8, mast cells, enterochromaffin cells and CD3(+) T lymphocytes were increased...
September 2016: Journal of Digestive Diseases
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