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Irritable colon syndrome

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https://www.readbyqxmd.com/read/29645021/correction-microrna-29a-increased-the-intestinal-membrane-permeability-of-colonic-epithelial-cells-in-irritable-bowel-syndrome-rats
#1
Guanqun Chao, Yingying Wang, Shuo Zhang, Weilin Yang, Zheying Ni, Xuliang Zheng
[This corrects the article DOI: 10.18632/oncotarget.20687.].
March 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29644768/mlck-mediated-intestinal-permeability-promotes-immune-activation-and-visceral-hypersensitivity-in-pi-ibs-mice
#2
Y Long, L Du, J J Kim, B Chen, Y Zhu, Y Zhang, S Yao, H He, X Zheng, Z Huang, N Dai
BACKGROUND: Alterations in intestinal permeability regulated by tight junctions (TJs) are associated with immune activation and visceral hypersensitivity in irritable bowel syndrome (IBS). Myosin light chain kinase (MLCK) is an important mediator of epithelial TJ. The aim of this study is to investigate the role of MLCK in the pathogenesis of IBS using a post infectious IBS (PI-IBS) mouse model. METHODS: Trichinella spiralis-infected PI-IBS mouse model was used...
April 11, 2018: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/29610559/a-double-blind-placebo-controlled-randomized-clinical-trial-that-breast-milk-derived-lactobacillus-gasseri-bnr17-mitigated-diarrhea-dominant-irritable-bowel-syndrome
#3
Suk Pyo Shin, Yoon Mi Choi, Won Hee Kim, Sung Pyo Hong, Jong-Min Park, Joohee Kim, Oran Kwon, Eun Hyun Lee, Ki Baik Hahm
The exact pathogenesis of diarrhea-dominant irritable bowel syndrome (IBS) is not known, but the abnormal microbiota of the gastrointestinal tract is considered to be one of the important contributing factors as in other gastrointestinal diseases such as inflammatory bowel disease, antibiotic-associated diarrhea, and colorectal cancer as well as systemic diseases. Though diverse trials of probiotics had been continued in the treatment of diarrhea-IBS, only a few proved by randomized clinical trial. To prove the efficacy of Lactobacillus gasseri BNR17 isolated from breast milk in patients with diarrhea-IBS, prospective, randomized, placebo controlled clinical trial was done including health related-quality of life analysis, colon transit time, and the changes of fecal microbiota...
March 2018: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/29588332/risks-of-irritable-bowel-syndrome-in-children-with-infantile-urinary-tract-infection-a-13-year-nationwide-cohort-study
#4
Teck-King Tan, Miguel Saps, Cheng-Li Lin, Chang-Ching Wei
Early life events play a crucial role in the development of irritable bowel syndrome (IBS). Some evidence suggests the phenomenon of cross-organ sensitization between bladder and colon. Whether urinary tract infection (UTI) during infancy is a risk factor of childhood IBS remains to be elucidated. In this retrospective cohort study, we selected 31 788 infants who had UTI between 2000 and 2011 as a UTI cohort and selected 127 152 infants without UTI as a comparison cohort, matched by age, sex and level of urbanization of living area...
March 26, 2018: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/29568206/low-fodmap-vs-regular-rye-bread-in-irritable-bowel-syndrome-randomized-smartpill-%C3%A2-study
#5
Laura Pirkola, Reijo Laatikainen, Jussi Loponen, Sanna-Maria Hongisto, Markku Hillilä, Anu Nuora, Baoru Yang, Kaisa M Linderborg, Riitta Freese
AIM: To compare the effects of regular vs low-FODMAP rye bread on irritable bowel syndrome (IBS) symptoms and to study gastrointestinal conditions with SmartPill® . METHODS: Our aim was to evaluate if rye bread low in FODMAPs would cause reduced hydrogen excretion, lower intraluminal pressure, higher colonic pH, different transit times, and fewer IBS symptoms than regular rye bread. The study was a randomized, double-blind, controlled cross-over meal study. Female IBS patients ( n = 7) ate study breads at three consecutive meals during one day...
March 21, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29565640/sigmoid-colon-mucosal-gene-expression-supports-alterations-of-neuronal-signaling-in-irritable-bowel-syndrome-with-constipation
#6
Elizabeth J Videlock, Swapna Mahurkar-Joshi, Jill M Hoffman, Dimitrios Ilopoulos, Charalabos Pothoulakis, Emeran A Mayer, Lin Chang
OBJECTIVE: Peripheral factors likely play a role in at least a subset of irritable bowel syndrome (IBS) patients. Few studies have investigated mucosal gene expression using an unbiased approach. Here, we performed mucosal gene profiling in a sex-balanced sample to identify relevant signaling pathways and gene networks and compare to publicly available profiling data from additional cohorts. DESIGN: 20 Rome III+ IBS patients (10 IBS with constipation (IBS-C), 10 IBS with diarrhea (IBS-D) 5 men/women each) and 10 age/sex-matched healthy controls (HCs) underwent sigmoidoscopy with biopsy for gene microarray analysis, including differential expression, weighted gene co-expression network analysis (WGCNA), gene set enrichment analysis and comparison with publicly available data...
March 22, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29563879/trek-1-channel-expression-in-smooth-muscle-as-a-target-for-regulating-murine-intestinal-contractility-therapeutic-implications-for-motility-disorders
#7
Ruolin Ma, Mohsen Seifi, Maria Papanikolaou, James F Brown, Jerome D Swinny, Anthony Lewis
Gastrointestinal (GI) motility disorders such as irritable bowel syndrome (IBS) can occur when coordinated smooth muscle contractility is disrupted. Potassium (K+ ) channels regulate GI smooth muscle tone and are key to GI tract relaxation, but their molecular and functional phenotypes are poorly described. Here we define the expression and functional roles of mechano-gated K2P channels in mouse ileum and colon. Expression and distribution of the K2P channel family were investigated using quantitative RT-PCR (qPCR), immunohistochemistry and confocal microscopy...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29554016/protease-activated-receptor-1-is-implicated-in-irritable-bowel-syndrome-mediators-induced-signalling-to-thoracic-human-sensory-neurons
#8
Cleo Desormeaux, Tereza Bautzova, Sonia Garcia-Caraballo, Corinne Rolland, Maria Raffaella Barbaro, Stuart M Brierley, Giovanni Barbara, Nathalie Vergnolle, Nicolas Cenac
Proteases and Protease-Activated Receptors (PARs) are major mediators involved in irritable bowel syndrome (IBS). Our objectives were to decipher the expression and functionality (calcium signaling) of PARs in human dorsal root ganglia (DRG) neurons, and to define mechanisms involved in human sensory neuron signaling by IBS patient mediators.Human thoracic DRG were obtained from the national disease resource interchange. Expression of PAR1, PAR2 and PAR4 was assessed by immunohistochemistry and RT-qPCR in whole DRG or in primary cultures of isolated neurons...
March 15, 2018: Pain
https://www.readbyqxmd.com/read/29545038/preclinical-animal-studies-of-intravesical-recombinant-human-proteoglycan-4-rhprg4-as-a-novel-potential-therapy-for-diseases-resulting-from-increased-bladder-permeability
#9
Beverley Greenwood-Van Meerveld, Ehsan Mohammadi, Rocco Latorre, Edward R Truitt, Gregory D Jay, Benjamin D Sullivan, Tannin A Schmidt, Nataliya Smith, Debra Saunders, Jadith Ziegler, Megan Lerner, Robert Hurst, Rheal A Towner
OBJECTIVE: To test in an animal model the hypothesis that rhPRG4 (lubricin), a highly O-glycosylated mucin-like glycoprotein, may be a novel surface-active therapeutic for treating bladder permeability with co-morbid bowel permeability. Previously we showed that inducing bladder permeability in rats with dilute protamine sulfate (PS) produced colonic permeability and visceral hypersensitivity, suggesting increased bladder permeability could represent an etiologic factor in both Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS) and Irritable Bowel Syndrome (IBS)...
March 12, 2018: Urology
https://www.readbyqxmd.com/read/29516326/assessment-of-serum-strem-1-as-a-marker-of-subclinical-inflammation-in-diarrhea-predominant-patients-with-irritable-bowel-syndrome
#10
Chao Du, Lijun Peng, Guanjun Kou, Peng Wang, Lin Lu, Yanqing Li
BACKGROUND: Irritable bowel disease (IBS) is viewed upon as a functional disorder of subclinical inflammatory changes in recent years, and there is no reliable biomarker. Triggering receptor expressed on myeloid cells 1 (TREM-1), also produced in a soluble form (sTREM-1), is involved in the activation of inflammatory cascades of intracellular events and may play a role in pathogenesis of IBS. AIM: To investigate whether serum sTREM-1 level can be used as a marker of subclinical inflammation in D-IBS...
March 7, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29492744/painful-or-mild-pain-constipation-a-clinically-useful-alternative-to-classification-as-irritable-bowel-syndrome-with-constipation-versus-functional-constipation
#11
Michel Bouchoucha, Ghislain Devroede, Florence Mary, Cyriaque Bon, Bakhtiar Bejou, Robert Benamouzig
PURPOSE: Abdominal pain is not used to characterize constipated patients. This study aimed to compare clinical, psychological, and physiological features in patients with IBS-constipation (IBS-C) with those in patients with functional constipation (FC) according to the intensity of abdominal pain. METHODS: All patients filled a standard Rome III questionnaire. In addition, they indicated the intensity of constipation, diarrhea, bloating, and abdominal pain on a 10-point Likert scale, and their stool form with the Bristol Stool Form Scale...
February 28, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29487763/abundance-of-enterobacteriaceae-in-the-colon-mucosa-in-diverticular-disease
#12
Caroline Linninge, Bodil Roth, Charlotte Erlanson-Albertsson, Göran Molin, Ervin Toth, Bodil Ohlsson
AIM: To compare gut bacterial diversity and amount of Enterobacteriaceae in colonic mucosa between patients with and without diverticular disease (DD). METHODS: Patients in a stable clinical condition with planned elective colonoscopy were included. Blood samples and colon mucosa biopsies were collected at the colonoscopy. Study questionnaires including questions about gastrointestinal symptoms were completed by the patients and physicians. DNA from mucosa samples was isolated and the amount of Enterobacteriaceae was estimated using PCR assay...
February 15, 2018: World Journal of Gastrointestinal Pathophysiology
https://www.readbyqxmd.com/read/29483895/involvement-of-corticotropin-releasing-factor-and-receptors-in-immune-cells-in-irritable-bowel-syndrome
#13
REVIEW
Mahanand Chatoo, Yi Li, Zhiqiang Ma, John Coote, Jizeng Du, Xuequn Chen
Irritable bowel syndrome (IBS) is a common functional gastrointestinal disorder defined by ROME IV criteria as pain in the lower abdominal region, which is associated with altered bowel habit or defecation. The underlying mechanism of IBS is not completely understood. IBS seems to be a product of interactions between various factors with genetics, dietary/intestinal microbiota, low-grade inflammation, and stress playing a key role in the pathogenesis of this disease. The crosstalk between the immune system and stress in IBS mechanism is increasingly recognized...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29470689/the-nutritional-and-health-attributes-of-kiwifruit-a-review
#14
REVIEW
David P Richardson, Juliet Ansell, Lynley N Drummond
PURPOSE: To describe the nutritional and health attributes of kiwifruit and the benefits relating to improved nutritional status, digestive, immune and metabolic health. The review includes a brief history of green and gold varieties of kiwifruit from an ornamental curiosity from China in the 19th century to a crop of international economic importance in the 21st century; comparative data on their nutritional composition, particularly the high and distinctive amount of vitamin C; and an update on the latest available scientific evidence from well-designed and executed human studies on the multiple beneficial physiological effects...
February 22, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29456408/inhibitory-effects-of-patchouli-alcohol-on-stress-induced-diarrhea-predominant-irritable-bowel-syndrome
#15
Tian-Ran Zhou, Jing-Jing Huang, Zi-Tong Huang, Hong-Ying Cao, Bo Tan
AIM: To elucidate the mechanism of patchouli alcohol (PA) in treatment of rat models of diarrhea-predominant irritable bowel syndrome (IBS-D). METHODS: We studied the effects of PA on colonic spontaneous motility using its cumulative log concentration (3 × 10-7 mol/L to 1 × 10-4 mol/L). We then determined the responses of the proximal and distal colon segments of rats to the following stimuli: (1) carbachol (1 × 10-9 mol/L to 1 × 10-5 mol/L); (2) neurotransmitter antagonists including Nω -nitro-L-arginine methyl ester hydrochloride (10 μmol/L) and (1R*, 2S*)-4-[2-Iodo-6-(methylamino)-9H-purin-9-yl]-2-(phosphonooxy)bicyclo[3...
February 14, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29454798/functional-bowel-disorders-gastroenterology-s-75-th-anniversary
#16
John W Wiley, Lin Chang
Articles appearing in Gastroenterology have played an integral role in the evolution of our understanding of Functional Bowel Disorders (FBD), including Irritable Bowel Syndrome (IBS), beginning with the prescient contributions of Almy and Tulin in 1947 and 1949 that highlighted the role of stress to enhance perception of abdominal pain and promote colon contractions. Subsequent publications have codified diagnostic criteria and stratified subpopulations of FBD (Manning and ROME I-IV), which resulted in improved symptom-based therapeutic interventions...
February 15, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29453211/fistulation-between-a-colonic-j-pouch-and-the-upper-vagina-in-an-irradiated-pelvis-a-rare-complication-following-low-anterior-resection-with-colonic-j-pouch-anal-anastomosis-for-rectal-cancer
#17
James Tankel, Shlomo Yellineck, Petachia Reissman
Formation of a colonic J-pouch with anastomosis to the rectal stump is an accepted form of reconstruction after low anterior resection (LAR) for rectal carcinoma. It is thought this can help prevent the onset of LAR syndrome as well as improve the quality of life in the first two years following surgery. Rectovaginal fistulation is a recognised complication of this form of surgery usually occurring because of technical failure leading to inclusion of the vaginal wall into the stapled anastomosis. We present an as of yet unreported case of fistulation between the upper horizontal staple line of a colonic J-pouch-the tip of the 'J'-which was formed extracorporeally with the posterior vaginal fornix...
February 16, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29394213/eosinophil-counts-in-the-small-intestine-and-colon-of-children-without-apparent-gastrointestinal-disease-a-meta-analysis
#18
Zoltán Kiss, Bálint Tél, Nelli Farkas, András Garami, Áron Vincze, Judit Bajor, Patrícia Sarlós, Katalin Márta, Adrienn Erős, Alexandra Mikó, Zsolt Szakács, Dániel Pécsi, Péter Mátrai, Péter Hegyi, Gábor Veres
OBJECTIVES: The aim of the current study was to review the available data regarding eosinophil density in healthy tissue specimen originating from lower gastrointestinal segments to support suggested diagnostic cut-offs widely used in clinical practice. METHODS: A systematic search was performed in three different databases. Calculations were made with Comprehensive MetaAnalysis software using random effects model. Cell number measurements were pooled using the random effects model and displayed on forest plots...
February 1, 2018: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/29391756/effect-of-lactobacillus-rhamnosus-gg-supernatant-on-serotonin-transporter-expression-in-rats-with-post-infectious-irritable-bowel-syndrome
#19
Ya-Nan Cao, Li-Juan Feng, Yuan-Yuan Liu, Kui Jiang, Mao-Jun Zhang, Yi-Xin Gu, Bang-Mao Wang, Jia Gao, Ze-Lan Wang, Yu-Ming Wang
AIM: To evaluate the effect of Lactobacillus rhamnosus GG supernatant (LGG-s) on the expression of serotonin transporter (SERT) in rats with post-infectious irritable bowel syndrome (PI-IBS). METHODS: Campylobacter jejuni 81-176 (1010 CFU/mL) was used to induce intestinal infection to develop a PI-IBS model. After evaluation of the post-infectious phase by biochemical tests, DNA agarose gel electrophoresis, abdominal withdrawal reflex (AWR) test, and the intestinal motility test, four PI-IBS groups received different concentrations of LGG-s for 4 wk...
January 21, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29383890/-effect-of-electroacupuncture-at-neiguan-pc-6-and-tianshu-st-25-for-colonic-motility-and-d-2-receptor-in-irritable-bowel-syndrome-rats
#20
Shan Wang, Meng-Wei Guo, Yu-Shan Gao, Xiao-Xuan Ren, Ying Lan, Mao-Xian Ji, Yan-Ying Wu, Kai-Ge Li, Li-Hua Tan, Ming-He Sui
OBJECTIVE: To observe and compare the effects of electroacupuncture (EA) at "Tianshu" (ST 25) and "Neiguan" (PC 6) for colonic motility and the expression of colon dopamine D 2 in irritable bowel syndrome (IBS) rats, and to explore the specificity of different meridians and different acupoints. METHODS: Forty Wistar newborn rats were randomly divided into blank, model, Tianshu and Neiguan groups. Separation of mother and child and acetic acid coloclyster combined with colorectal distension were used to establish IBS model in the model, Tianshu and Neiguan groups...
January 25, 2018: Zhen Ci Yan Jiu, Acupuncture Research
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