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https://www.readbyqxmd.com/read/28930716/antinociceptive-effect-of-ghrelin-in-a-rat-model-of-irritable-bowel-syndrome-involves-trpv1-opioid-systems
#1
Yuqing Mao, Zhengyang Li, Kan Chen, Huafang Yu, Shaoren Zhang, Miao Jiang, Yuanhua Ma, Chunli Liang, Hongyan Liu, Huanqing Li, Qian Hua, Hao Zhou, Yonghong Sun, Xiaoming Fan
BACKGROUND/AIMS: Irritable bowel syndrome (IBS), defined as recurrent abdominal pain and changes in bowel habits, seriously affects quality of life and ability to work. Ghrelin is a brain-gut hormone, which has been reported to show antinociceptive effects in peripheral pain. We investigated the effect of ghrelin on visceral hypersensitivity and pain in a rat model of IBS. METHODS: Maternal deprivation (MD) was used to provide a stress-induced model of IBS in Wistar rats...
September 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28916773/functional-organization-of-cytoplasmic-inclusion-bodies-in-cells-infected-by-respiratory-syncytial-virus
#2
Vincent Rincheval, Mickael Lelek, Elyanne Gault, Camille Bouillier, Delphine Sitterlin, Sabine Blouquit-Laye, Marie Galloux, Christophe Zimmer, Jean-François Eleouet, Marie-Anne Rameix-Welti
Infection of cells by respiratory syncytial virus induces the formation of cytoplasmic inclusion bodies (IBs) where all the components of the viral RNA polymerase complex are concentrated. However, the exact organization and function of these IBs remain unclear. In this study, we use conventional and super-resolution imaging to dissect the internal structure of IBs. We observe that newly synthetized viral mRNA and the viral transcription anti-terminator M2-1 concentrate in IB sub-compartments, which we term "IB-associated granules" (IBAGs)...
September 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28903898/current-status-of-pathway-analysis-in-genome-wide-association-study
#3
Yu-Yan Wang, Zi-Xing Wang, Yao-da Hu, Lei Wang, Ning Li, Biao Zhang, Wei Han, Jing-Mei Jiang
Since the first publication in 2005, the genome-wide association study (GWAS) strategy has contributed significantly to the understanding of the mechanisms of human genetic diseases. Integrations of statistical methods and systematic biology are important means to explore the GWAS data. Pathway analysis establishes the importance of genetic variants from GWAS and provides insights into their biological significance. It is conducive in correlating the genetic variants, which have only small but interactive changes, to their importance in the biological pathways...
August 20, 2017: Yi Chuan, Hereditas
https://www.readbyqxmd.com/read/28901578/irritable-bowel-syndrome-in-asia-pathogenesis-natural-history-epidemiology-and-management
#4
REVIEW
Kok-Ann Gwee, Uday Chand Ghoshal, Minhu Chen
Historically, the epidemiology of gastrointestinal diseases in Asia was different from that in Western countries. Early studies suggested a low prevalence of irritable bowel syndrome (IBS) in Asia. As the diagnosis of IBS is symptom-based, and as symptom perception, expression and interpretation, are influenced by sociocultural perspectives including language, the presentation of IBS is expected to vary in different communities. Furthermore, the pathogenesis is multifactorial with psychosocial (stress, illness, behavior, diet) and biological (infection, gut microbiota, immune activation) variables interacting, and so we can anticipate that the development of IBS will vary in different environments...
September 13, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28900347/campylobacter-from-microbiology-to-prevention
#5
REVIEW
A Facciolà, R Riso, E Avventuroso, G Visalli, S A Delia, P Laganà
In last years, Campylobacter spp has become one of the most important foodborne pathogens even in high-income countries. Particularly, in Europe, Campylobacteriosis is, since 2005, the foodborne disease most frequently notified and the second in USA, preceded by the infection due to Salmonella spp. Campylobacter spp is a commensal microorganism of the gastrointestinal tract of many wild animals (birds such as ducks and gulls), farm animals (cattle and pigs) and companion animals (such as dogs and cats) and it is responsible for zoonoses...
June 2017: Journal of Preventive Medicine and Hygiene
https://www.readbyqxmd.com/read/28894515/association-of-gastrointestinal-functional-disorders-and-migraine-headache-a-population-base-study
#6
Kamran B Lankarani, Maryam Akbari, Reza Tabrizi
BACKGROUND Migraine is one of the prevalent headaches. Many of patients with migraine, complain of gastrointestinal symptoms. There is limited studies on relation of gastrointestinal symptoms and migraine headache at population level. METHODS In this population-based study, 1038 subjects older than 15 year from a rural area in Fars province, south of Iran. were investigated for functional gastrointestinal disorders. By cluster random sampling, 160 of these persons invited to receive endoscopy along with histopathology samples of upper gastrointestinal tract...
July 2017: Middle East Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28891262/more-than-constipation-bowel-symptoms-in-parkinson-s-disease-and-their-connection-to-gut-microbiota
#7
T H Mertsalmi, V T E Aho, P A B Pereira, L Paulin, E Pekkonen, P Auvinen, F Scheperjans
BACKGROUND AND PURPOSE: The majority of Parkinson's disease (PD) patients suffer from gastrointestinal symptoms of which constipation is considered the most prominent. Recently, in addition to constipation, a diagnosis of irritable bowel syndrome (IBS) was also found to be associated with increased PD risk. Gut microbiota alterations have been reported in IBS and recently also in PD. IBS-like bowel symptoms in PD and their possible connection to other non-motor symptoms and faecal microbiota were assessed...
September 11, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28887755/prokinetics-in-the-management-of-functional-gastrointestinal-disorders
#8
REVIEW
Eamonn M M Quigley
PURPOSE OF REVIEW: The goal of this review is to review the current status of prokinetics and to place it in historical context. Impaired motility and thus propulsion have long been thought to play important roles in the pathogenesis of a number of gastrointestinal disorders including gastroesophageal reflux disease (GERD), gastroparesis, chronic idiopathic pseudo-obstruction, and constipation. Historically, disordered motility was also thought to contribute to a number of functional gastrointestinal disorders such as functional dyspepsia (FD) and irritable bowel syndrome (IBS)...
September 8, 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28887729/intestinal-microbiome-gut-brain-axis-and-irritable-bowel-syndrome
#9
REVIEW
Gabriele Moser, Camille Fournier, Johannes Peter
Psychological comorbidity is highly present in irritable bowel syndrome (IBS). Recent research points to a role of intestinal microbiota in visceral hypersensitivity, anxiety, and depression. Increased disease reactivity to psychological stress has been described too. A few clinical studies have attempted to identify features of dysbiosis in IBS. While animal studies revealed strong associations between stress and gut microbiota, studies in humans are rare. This review covers the most important studies on intestinal microbial correlates of psychological and clinical features in IBS, including stress, anxiety, and depression...
September 8, 2017: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28887511/hemoglobin-level-a-prognostic-factor-for-nasal-extranodal-natural-killer-t-cell-lymphoma-patients-from-stage-i-to-iv-a-validated-prognostic-nomogram
#10
Jianzhong Cao, Shengmin Lan, Liuhai Shen, Hongwei Si, Huan Xiao, Qiang Yuan, Xue Li, Hongwei Li, Ruyuan Guo
Although nasal extranodal natural killer/T-cell lymphoma (nasal ENKL) shares some prognostic factors with other lymphomas, seldom studies had explored the prognostic value of hemoglobin. The ENKL cases in stage I-IV during 2000 to 2015 were collected from two medical centers (group A, n = 192), and were randomly divided into the group B (n = 155) and C (n = 37). Although the significant factors identified by the univariate analysis differed between the group A and B, the multivariate Cox regression indicated the same factors...
September 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28886490/interleukin-6-in-irritable-bowel-syndrome-a-systematic-review-and-meta-analysis-of-il-6-g174c-and-circulating-il-6-levels
#11
REVIEW
Mohammad Bashashati, Maryam Moradi, Irene Sarosiek
BACKGROUND: Irritable bowel syndrome (IBS) is a common functional gastrointestinal disorder which presents with abdominal pain and alterations of the bowel habits. The pathophysiology of IBS is not well-recognized. Low grade inflammation has been suggested as one of the underlying mechanisms of IBS. Variations in the circulating pro-inflammatory interleukin-6 (IL-6) levels and IL-6 gene polymorphisms have been demonstrated in IBS. However, the results of published studies are not consistent, probably due to their small sample sizes...
September 5, 2017: Cytokine
https://www.readbyqxmd.com/read/28885302/postinfection-irritable-bowel-syndrome-the-links-between-gastroenteritis-inflammation-the-microbiome-and-functional-disease
#12
Ian A Downs, Olga C Aroniadis, Libusha Kelly, Lawrence J Brandt
Postinfection irritable bowel syndrome (PI-IBS) is a diarrheal disease that develops after infectious gastroenteritis (IGE). Profound alterations in the microbiota accompany IGE yet only 10% of IGE patients progress to PI-IBS. This review explores research linking IGE severity, psychological comorbidity, PI-IBS, and the microbiome in various patient populations. Selective pressures caused by inflammation and increased gastrointestinal motility during gastroenteritis can alter intestinal bacterial phyla including Bacteroidetes, Firmicutes, and Proteobacteria...
September 6, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28884838/review-article-transient-receptor-potential-channels-as-possible-therapeutic-targets-in-irritable-bowel-syndrome
#13
REVIEW
A B Beckers, Z Z R M Weerts, Z Helyes, A A M Masclee, D Keszthelyi
BACKGROUND: Abdominal pain in irritable bowel syndrome (IBS) remains challenging to treat effectively. Researchers have attempted to elucidate visceral nociceptive processes in order to guide treatment development. Transient receptor potential (TRP) channels have been implied in the generation (TRPV1, TRPV4, TRPA1) and inhibition (TRPM8) of visceral pain signals. Pathological changes in their functioning have been demonstrated in inflammatory conditions, and appear to be present in IBS as well...
September 8, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28883772/comparison-of-resilience-and-psychological-wellbeing-in-women-with-irritable-bowel-syndrome-and-normal-women
#14
Hosien Shahdadi, Abbas Balouchi, Ameneh Shaykh
INTRODUCTION: Resilience and Psychological Wellbeing are two important concepts in adaption of patients to chronic disease conditions. GOAL: To compare resilience and psychological wellbeing in women with irritable bowel syndrome and normal women. METHODS: This was an analytical-comparative study. The statistical population consisted of all patients with irritable bowel syndrome visiting Imam Ali Hospital in Zahedan. Of all patients, 50 female patients with irritable bowel syndrome and 50 normal women were randomly selected and matched...
June 2017: Materia Socio-medica
https://www.readbyqxmd.com/read/28880222/western-dietary-pattern-is-associated-with-irritable-bowel-syndrome-in-the-french-nutrinet-cohort
#15
Camille Buscail, Jean-Marc Sabate, Michel Bouchoucha, Emmanuelle Kesse-Guyot, Serge Hercberg, Robert Benamouzig, Chantal Julia
Background: Diet appears to play a key role in the pathogenesis of the irritable bowel syndrome (IBS). Some dietary patterns (DP) could increase the risk of triggering or worsening IBS symptoms. This cross-sectional study aimed to assess the association between a posteriori derived DP and IBS in a large French population, the web-based NutriNet-Santé cohort. Methods: Study population included participants of the NutriNet-Santé study who completed a questionnaire based on Rome III criteria assessing IBS. A principal component analysis (PCA) was performed to identify major DPs based on 29 food groups' consumption...
September 7, 2017: Nutrients
https://www.readbyqxmd.com/read/28872467/irritable-bowel-syndrome-and-diet-where-are-we-in-2018
#16
Eirini Dimidi, Megan Rossi, Kevin Whelan
PURPOSE OF REVIEW: The aim is to review the most recent advances in the evidence supporting the use of various dietary interventions for the management of irritable bowel syndrome (IBS). RECENT FINDINGS: There is insufficient evidence of the effect of fibres other than psyllium in IBS, whereas the recent studies on prebiotics suggest a limited effect in IBS. Recent probiotic trials continue to provide varying results, with some probiotic strains exhibiting beneficial effects, whereas others show no effect...
September 1, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28870721/factors-associated-with-severity-of-irritable-bowel-syndrome-symptoms-in-patients-with-endometriosis
#17
Caroline E Lee, Paul J Yong, Christina Williams, Catherine Allaire
OBJECTIVE: This study sought to examine factors associated with severity of irritable bowel syndrome (IBS) by using the Birmingham IBS symptom scale in patients presenting with endometriosis to a tertiary referral centre. METHODS: A prospective research cohort of patients presenting to a tertiary referral centre for endometriosis was evaluated for the presence and severity of IBS between December 2013 and April 2015. Patients with endometriosis had a diagnosis of IBS by using the Rome III criteria and were evaluated for severity of IBS symptoms by using the Birmingham IBS symptom scale...
September 1, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28862389/the-role-of-high-expectations-of-self-and-social-desirability-in-emotional-processing-in-individuals-with-irritable-bowel-syndrome-a-qualitative-study
#18
Alice Sibelli, Trudie Chalder, Hazel Everitt, Paul Workman, Felicity L Bishop, Rona Moss-Morris
OBJECTIVES: Although high levels of distress are associated with the onset and severity of Irritable bowel syndrome (IBS), it is unclear how this relates to emotional processing, particularly in relation to maintenance of symptoms and treatment outcome. This qualitative study embedded within a randomized controlled trial aimed to explore how individuals with refractory IBS experience, express, and manage their emotions after either therapist-delivered cognitive behavioural therapy (TCBT) or Web-based CBT (WBCBT) compared to treatment as usual (TAU)...
September 1, 2017: British Journal of Health Psychology
https://www.readbyqxmd.com/read/28860106/web-based-mindfulness-interventions-for-people-with-physical-health-conditions-systematic-review
#19
Kirsti I Toivonen, Kristin Zernicke, Linda E Carlson
BACKGROUND: Mindfulness-based interventions (MBIs) are becoming increasingly popular for helping people with physical health conditions. Expanding from traditional face-to-face program delivery, there is growing interest in Web-based application of MBIs, though Web-based MBIs for people with physical health conditions specifically have not been thoroughly reviewed to date. OBJECTIVE: The objective of this paper was to review Web-based MBIs for people with physical health conditions and to examine all outcomes reported (eg, efficacy or effectiveness for physical changes or psychological changes; feasibility)...
August 31, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28859146/negative-correlation-of-cortical-thickness-with-the-severity-and-duration-of-abdominal-pain-in-asian-women-with-irritable-bowel-syndrome
#20
Chian Sem Chua, Chyi-Huey Bai, Chen-Yu Shiao, Chien-Yeh Hsu, Chiao-Wen Cheng, Kuo-Ching Yang, Hung-Wen Chiu, Jung-Lung Hsu
BACKGROUND & AIMS: Irritable bowel syndrome (IBS) manifests as chronic abdominal pain. One pathophysiological theory states that the brain-gut axis is responsible for pain control in the intestine. Although several studies have discussed the structural changes in the brain of IBS patients, most of these studies have been conducted in Western populations. Different cultures and sexes experience different pain sensations and have different pain responses. Accordingly, we aimed to identify the specific changes in the cortical thickness of Asian women with IBS and to compare these data to those of non-Asian women with IBS...
2017: PloS One
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