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Functional gastrointestinal disorders

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https://www.readbyqxmd.com/read/28447569/a-new-treatment-strategy-for-parkinson-s-disease-through-the-gut-brain-axis-the-glucagon-like-peptide-1-receptor-pathway
#1
Dong Seok Kim, Ho-Il Choi, Yun Wang, Yu Luo, Barry J Hoffer, Nigel H Greig
Molecular communications in the gut-brain axis, between the central nervous system and the gastrointestinal tract, arecritical for maintaining healthy brain function particularly in aging. Epidemiological analyses indicate type 2 diabetes mellitus (T2DM) is a risk factor for neurodegenerative disorders, including Alzheimer's disease (AD) and Parkinson's diseases (PD) for which aging shows a major correlative association. Common pathophysiological features exist between T2DM, AD and PD, including oxidative stress, inflammation, insulin resistance, abnormal protein processing and cognitive decline, and suggest that effective drugs for T2DM that positively impact the gut-brain axis could provide an effective treatment option for neurodegenerative diseases...
April 26, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28447053/deciphering-the-pathophysiology-of-irritable-bowel-syndrome-and-functional-gastrointestinal-disorders-an-alternative-model-for-pathogenesis-cytokine-controlled-transepithelial-multi-feedback-loop
#2
REVIEW
Ricky McCullough, Jeremiah McCullough
A working theoretical model for irritable bowel syndrome (IBS) and other functional gastrointestinal disorders (FGIDs) does not exist, hampered by the lack of any clear cut invention that address all symptom and signs of the disease. Reports of cessation of symptom and signs of both major types of IBS have been published using a non-systemic, topically active agent-high potency polymerized cross-linked sucralfate (HPPCLS). The unique clinical effect of this non-systemic agent restricted to the luminal surface of the gut provides opportunity to elaborate on an alternative working model for the pathogenesis of IBS and FGIDs...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28445436/irritable-bowel-syndrome-clinical-manifestations-dietary-influences-and-management
#3
REVIEW
Ronald Ikechi, Bradford D Fischer, Joshua DeSipio, Sangita Phadtare
Irritable bowel syndrome (IBS) is a functional gastrointestinal disorder that is characterized by symptoms of chronic abdominal pain and altered bowel habits in the absence of an overtly identifiable cause. It is the most commonly diagnosed functional gastrointestinal disorder, accounting for about one third of gastroenterology visits. It generally presents as a complex of symptoms, including psychological dysfunction. Hypersensitivity to certain foods, especially foods that contain high amounts of fructose, plays a role in the pathophysiology of IBS...
April 26, 2017: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/28444216/dietary-metabolites-derived-from-gut-microbiota-critical-modulators-of-epigenetic-changes-in-mammals
#4
Mohd Iqbal Bhat, Rajeev Kapila
The mammalian gastrointestinal tract harbors trillions of commensal microorganisms, collectively known as the microbiota. The microbiota is a critical source of environmental stimuli and, thus, has a tremendous impact on the health of the host. The microbes within the microbiota regulate homeostasis within the gut, and any alteration in their composition can lead to disorders that include inflammatory bowel disease, allergy, autoimmune disease, diabetes, mental disorders, and cancer. Hence, restoration of the gut flora following changes or imbalance is imperative for the host...
April 22, 2017: Nutrition Reviews
https://www.readbyqxmd.com/read/28440477/synchronized-dual-pulse-gastric-electrical-stimulation-improves-gastric-emptying-and-activates-enteric-glial-cells-via-upregulation-of-gfap-and-s100b-with-different-courses-of-subdiaphragmatic-vagotomy-in-rats
#5
Nian Wang, Shuangning Song, Jie Chen
Previous research and clinical practice have indicated that damage to the vagal nerve may seriously affect gastrointestinal physiological movement behavior. The aim of the current study was to observe the change of gastric motility, as well as enteric glial cells (EGCs) in the stomach with different courses of vagal nerve transection in rats prior to and following synchronized dual pulse gastric electrical stimulation. The gastric emptying rates were measured to assess the gastric motility. The glial markers, containing calcium binding protein (S100B) and glial fibrillary acidic protein (GFAP), were detected by reverse transcription‑quantitative polymerase chain reaction and double‑labeling immunofluorescence analysis...
April 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28424994/modulation-of-gastrointestinal-motility-beyond-metoclopramide-and-domperidone-pharmacological-and-clinical-evidence-for-phytotherapy-in-functional-gastrointestinal-disorders
#6
Ahmed Madisch, Bettina R Vinson, Heba Abdel-Aziz, Olaf Kelber, Karen Nieber, Karin Kraft, Martin Storr
The prokinetic cisapride, an important therapeutic option in functional gastrointestinal (GI) disorders, was withdrawn from the market 15 years ago due to rare severe side effects. Likewise in 2014, the use of metoclopramide (MCP) and domperidone in functional GI disorders (FGID) was restricted, consequently leaving a therapeutic gap in clinical practice. A systematic review revealed that the herbal medicinal product (HMP) STW 5 presents a therapeutic option equivalent to MCP and cisapride. STW 5 is the only HMP for which efficacy has been shown in randomized controlled clinical trials (RCTs) in functional dyspepsia and irritable bowel syndrome, based on its multitarget effect on numerous etiological factors...
April 19, 2017: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28419527/the-rectosigmoid-brake-review-of-an-emerging-neuromodulation-target-for-colorectal-functional-disorders
#7
Anthony Y Lin, Phil G Dinning, Tony Milne, Ian P Bissett, Gregory O'Grady
The regulation of gastrointestinal motility encompasses several overlapping mechanisms including highly regulated and coordinated neurohormonal circuits. Various feedback mechanisms or 'brakes' have been proposed. While duodenal, jejunal, and ileal brakes are well described, a putative distal colonic brake is less well defined. Despite the high prevalence of colonic motility disorders, there is little knowledge of colonic motility owing to difficulties with organ access and technical difficulties in recording detailed motor patterns along its entire length...
April 16, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28413456/role-of-stem-cell-growth-factor-c-kit-in-the-pathogenesis-of-irritable-bowel-syndrome
#8
Yuna Chai, Yusheng Huang, Hongmei Tang, Xing Tu, Jianbo He, Ting Wang, Qingye Zhang, Fen Xiong, Detang Li, Zhenwen Qiu
Irritable bowel syndrome (IBS) is a functional bowel disease with a complicated etiopathogenesis, often characterized by gastrointestinal motility disorder and high visceral sensitivity. IBS is a comprehensive multi-systemic disorder, with the interaction of multiple factors, such as mental stress, intestinal function and flora, heredity, resulting in the disease. The existence of a common mechanism underlying the aforementioned factors is currently unknown. The lack of therapies that comprehensively address the disease symptoms, including abdominal pain and diarrhea, is a limitation of current IBS management...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28410751/mizagliflozin-a-novel-selective-sglt1-inhibitor-exhibits-potential-in-the-amelioration-of-chronic-constipation
#9
Toshihiro Inoue, Masaaki Takemura, Nobuhiko Fushimi, Yoshikazu Fujimori, Tomoya Onozato, Takao Kurooka, Tetsuya Asari, Hiroo Takeda, Mamoru Kobayashi, Hironori Nishibe, Masayuki Isaji
Chronic constipation is a highly common functional gastrointestinal disorder that adversely affects patient quality of life. At present, limited therapeutic options are available for the treatment of chronic constipation, which indicates the need for new therapeutic agents. Herein, we report the potential of mizagliflozin, a novel selective sodium glucose co-transporter 1 (SGLT1) inhibitor, for the amelioration of chronic constipation. Mizagliflozin's inhibitory activity against SGLTs was evaluated by an in vitro assay of cells transiently expressing SGLTs...
April 11, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28408641/gastroparesis-and-lipid-metabolism-associated-dysbiosis-in-wistar-kyoto-rats
#10
Julie E Dalziel, Karl Fraser, Wayne Young, Catherine M Lloyd-West, Shalome A Bassett, Nicole C Roy
Altered gastric accommodation and intestinal morphology suggests impaired gastrointestinal (GI) transit may occur in the Wistar Kyoto (WKY) rat strain, as common in stress-associated functional GI disorders. Because changes in GI transit can alter microbiota composition, we investigated whether these are altered in WKY rats compared with the resilient Sprague Dawley (SD) rats under basal conditions, and characterized plasma lipid and metabolite differences. Bead transit was tracked by X-ray imaging to monitor: gastric emptying (GE; 4 h), small intestine (SI) transit (9 h) and large intestine transit (12 h)...
April 13, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28404114/functional-gastrointestinal-disorders-what-s-new-for-rome-iv
#11
Douglas A Drossman
No abstract text is available yet for this article.
September 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28404070/pathophysiology-of-irritable-bowel-syndrome
#12
REVIEW
Gerald J Holtmann, Alexander C Ford, Nicholas J Talley
Traditionally, irritable bowel syndrome has been considered to be a disorder with no known underlying structural or biochemical explanation, but this concept is likely to be outdated. In this Review we challenge the widely accepted view that irritable bowel syndrome is an unexplained brain-gut disorder. There is epidemiological evidence that, in a major subset of patients, gastrointestinal symptoms arise first and only later do incident mood disorders occur. Additionally, possible mechanisms for gut-brain dysfunction have been identified, suggesting primary gut disturbances might be the underlying cause in a subgroup...
October 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28404068/association-between-functional-gastrointestinal-disorders-and-migraine-in-children-and-adolescents-a-case-control-study
#13
Julie Le Gal, Jean-Francois Michel, Victoria Elisa Rinaldi, Daniele Spiri, Raffaella Moretti, Donatella Bettati, Silvia Romanello, Paola Berlese, Rosa Lualdi, Priscilla Boizeau, Jerome Viala, Marc Bellaiche, Gian Vincenzo Zuccotti, Giovanni Crichiutti, Corinne Alberti, Luigi Titomanlio
BACKGROUND: Functional gastrointestinal disorders and migraine are both common causes of medical attention. We have previously shown an association between migraine and infant colic. In this case-control study, we aimed to establish whether there is an association between migraine and other functional gastrointestinal disorders in children and adolescents. METHODS: We included children and adolescents aged 6-17 years presenting to the emergency department of four tertiary hospitals in France and Italy...
October 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28403981/management-of-the-multiple-symptoms-of-irritable-bowel-syndrome
#14
REVIEW
Magnus Simrén, Hans Törnblom, Olafur S Palsson, William E Whitehead
Irritable bowel syndrome (IBS) is one of the most common functional gastrointestinal disorders. A stepwise management approach is advocated for patients with IBS. For a substantial proportion of patients with mild symptoms, general management principles, including making a confident diagnosis and offering explanation, reassurance, and dietary and lifestyle advice, are sufficient. However, many patients continue to have moderate-to-severe symptoms and are not satisfied solely with this approach. In these patients, use of pharmacotherapy on the basis of the predominant symptom (constipation, diarrhoea, pain, or bloating) or combination of symptoms is the next step...
February 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28403821/defining-the-transcriptomic-landscape-of-the-developing-enteric-nervous-system-and-its-cellular-environment
#15
Sweta Roy-Carson, Kevin Natukunda, Hsien-Chao Chou, Narinder Pal, Caitlin Farris, Stephan Q Schneider, Julie A Kuhlman
BACKGROUND: Motility and the coordination of moving food through the gastrointestinal tract rely on a complex network of neurons known as the enteric nervous system (ENS). Despite its critical function, many of the molecular mechanisms that direct the development of the ENS and the elaboration of neural network connections remain unknown. The goal of this study was to transcriptionally identify molecular pathways and candidate genes that drive specification, differentiation and the neural circuitry of specific neural progenitors, the phox2b expressing ENS cell lineage, during normal enteric nervous system development...
April 12, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28401774/effect-of-descurainia-sophia-l-webb-ex-prantl-on-adult-functional-constipation-a-prospective-pilot-study
#16
Rasool Choopani, Anahita Ghourchian, Homa Hajimehdipoor, Mohammad Kamalinejad, Fatemeh Ghourchian
Chronic constipation is a common gastrointestinal disorder that effects an estimated 12% to 30% of general population worldwide. Descurainia sophia L. known commonly as flixweed acts as first-line medical treatment for constipation in Iranian traditional medicine. The aim of this study was to assess the efficacy and safety of this remedy for treating functional constipation by standard assessments. The Rome III criteria for functional constipation were the basis for diagnosis. All participants underwent a 4-week treatment...
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
https://www.readbyqxmd.com/read/28401056/effect-of-metronidazole-in-infants-with-bowel-habit-change-irrelative-to-the-clostridium-difficile-colonization
#17
Eun Jin Kim, Sung Hyun Lee, Hann Tchah, Eell Ryoo
PURPOSE: Clinical symptoms associated with Clostridium difficile infection (CDI) can vary widely. Carrier state without apparent symptoms is relatively common during infancy. The objective of this study was to determine the association of C. difficile colonization with bowel habit change and the effect of C. difficile colonization treatment on restoration of normal bowel habit. METHODS: Between 2006 and 2014, infants at 1 to 12 months of age with diarrhea for more than 2 weeks who did not improve with conservative care were recruited from Gachon University Gil Medical Center...
March 2017: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28401050/the-new-rome-iv-criteria-for-functional-gastrointestinal-disorders-in-infants-and-toddlers
#18
REVIEW
Judith Zeevenhooven, Ilan J N Koppen, Marc A Benninga
Functional gastrointestinal disorders (FGIDs) are common worldwide and cover a wide range of disorders attributable to the gastrointestinal tract that cannot be explained by structural or biochemical abnormalities. The diagnosis of these disorders relies on the symptom-based Rome criteria. In 2016 the Rome criteria were revised for infants/toddlers and for children and adolescents. In this review, we discuss the novel Rome IV criteria for infants and toddlers. The criteria for infant colic were drastically changed, whereas only minor changes were made for regurgitation, cyclic vomiting syndrome, functional diarrhea, infant dyschezia and functional constipation...
March 2017: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28400824/melatonin-and-human-mitochondrial-diseases
#19
REVIEW
Reza Sharafati-Chaleshtori, Hedayatollah Shirzad, Mahmoud Rafieian-Kopaei, Amin Soltani
Mitochondrial dysfunction is one of the main causative factors in a wide variety of complications such as neurodegenerative disorders, ischemia/reperfusion, aging process, and septic shock. Decrease in respiratory complex activity, increase in free radical production, increase in mitochondrial synthase activity, increase in nitric oxide production, and impair in electron transport system and/or mitochondrial permeability are considered as the main factors responsible for mitochondrial dysfunction. Melatonin, the pineal gland hormone, is selectively taken up by mitochondria and acts as a powerful antioxidant, regulating the mitochondrial bioenergetic function...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28397430/the-effect-of-proton-pump-inhibitors-on-the-gastric-mucosal-microenvironment
#20
Yen-Chun Peng, Lan-Ru Huang, Hui-Ching Ho, Chi-Sen Chang, Shou-Wu Lee, Ching-Chang Cheng, May-Ching Wen, Hong-Zen Yeh, Shu-Peng Ho
BACKGROUND: Proton pump inhibitors (PPIs) are widely applied for acid related disorders, and possess pleiotropic biological functions. The effect of PPIs on the gastric mucosa, neutrophil and Helicobacter pylori (H. pylori) infiltration and glandular atrophy has not been well investigated, particularly the duration of the effects of PPIs. OBJECTIVES: To investigate the effects of PPIs on neutrophil infiltration, H. pylori infiltration and the gastric mucosa. MATERIAL AND METHODS: A total of 76 adult patients with gastrointestinal symptoms who had undergone upper gastrointestinal endoscopy were enrolled in the study...
January 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
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