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Clinical and Translational Gastroenterology

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https://www.readbyqxmd.com/read/28102860/psychological-interventions-for-irritable-bowel-syndrome-and-inflammatory-bowel-diseases
#1
Sarah Ballou, Laurie Keefer
Psychological interventions have been designed and implemented effectively in a wide range of medical conditions, including Irritable Bowel Syndrome (IBS) and Inflammatory Bowel Diseases (IBD). The psychological treatments for IBS and IBD with the strongest evidence base include: cognitive behavioral therapy, hypnosis, and mindfulness-based therapies. The evidence for each of these therapies is reviewed here for both IBS and IBD. In general, there is a stronger and larger evidence base to support the use of psychological interventions in IBS compared with IBD...
January 19, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28102859/diagnostic-accuracy-of-methylated-sept9-for-blood-based-colorectal-cancer-detection-a-systematic-review-and-meta-analysis
#2
Jiayun Nian, Xu Sun, SuYang Ming, Chen Yan, Yunfei Ma, Ying Feng, Lin Yang, Mingwei Yu, Ganlin Zhang, Xiaomin Wang
OBJECTIVES: More convenient and effective blood-based methods are believed to increase colorectal cancer (CRC) detection adoption. The effectiveness of methylated SPET9 for CRC detection has been reviewed in the newly published recommendation statement by US Preventive Services Task Force (USPSTF), while detailed instructions were not provided, which may be a result of insufficient evidence. Therefore, more evidence is needed to assist practitioners to thoroughly understand the utilization of this special maker...
January 19, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28102858/luminescent-immunoprecipitation-system-lips-for-detection-of-autoantibodies-against-atp4a-and-atp4b-subunits-of-gastric-proton-pump-h-k-atpase-in-atrophic-body-gastritis-patients
#3
Edith Lahner, Cristina Brigatti, Ilaria Marzinotto, Marilia Carabotti, Giulia Scalese, Howard W Davidson, Janet M Wenzlau, Emanuele Bosi, Lorenzo Piemonti, Bruno Annibale, Vito Lampasona
OBJECTIVES: Circulating autoantibodies targeting the H+/K+-ATPase proton pump of gastric parietal cells are considered markers of autoimmune gastritis, whose diagnostic accuracy in atrophic body gastritis, the pathological lesion of autoimmune gastritis, remains unknown. This study aimed to assess autoantibodies against ATP4A and ATP4B subunits of parietal cells H+, K+-ATPase in atrophic body gastritis patients and controls. METHODS: One-hundred and four cases with atrophic body gastritis and 205 controls were assessed for serological autoantibodies specific for ATP4A or ATP4B subunits using luminescent immunoprecipitation system (LIPS)...
January 19, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28079861/endoscopic-vs-surgical-interventions-for-painful-chronic-pancreatitis-what-is-needed-for-future-clinical-trials
#4
REVIEW
John A Windsor, Nageshwar D Reddy
The treatment of painful chronic pancreatitis remains controversial. The available evidence from two randomized controlled trials favor surgical intervention, whereas an endotherapy-first approach is widely practiced. Chronic pancreatitis is complex disease with different genetic and environmental factors, different pain mechanisms and different treatment modalities including medical, endoscopic, and surgical. The widely practiced step-up approach remains unproven. In designing future clinical trials there are some important pre-requisites including a more comprehensive pain assessment tool, the optimization of conservative medical treatment and interventional techniques...
January 12, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28055031/a-customized-mobile-application-in-colonoscopy-preparation-a-randomized-controlled-trial
#5
Ala I Sharara, Jean M Chalhoub, Maya Beydoun, Rani H Shayto, Hamed Chehab, Ali H Harb, Fadi H Mourad, Fayez S Sarkis
OBJECTIVES: Adherence with diet and prescribed purgative is essential for proper cleansing with low-volume bowel preparations. The aim of this work was to assess the effect of a customized mobile application (App) on adherence and quality of bowel preparation. METHODS: One hundred and sixty (160) eligible patients scheduled for elective colonoscopy were randomly assigned to paper (control) or App-based instructions. The preparation consisted of low-fiber diet for 2 days, clear fluids for one day and split-dose sodium picosulfate/magnesium citrate (SPS)...
January 5, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28055030/prognostic-significance-of-preoperative-and-postoperative-plasma-levels-of-ghrelin-in-gastric-cancer-3-year-survival-study
#6
Saeed Soleyman-Jahi, Afshin Abdirad, Amir Afraz Fallah, Sevil Ghasemi, Fatemeh Sadeghi, Reza Heidari, Habibollah Mahmoodzadeh, Kazem Zendehdel
OBJECTIVES: We aimed to investigate prognostic effects of plasma levels of ghrelin before and after gastrectomy in gastric cancer (GC). METHODS: We followed 81 GC patients up to 3 years in this study. They were candidates for curative gastrectomy with or without neoadjuvant chemotherapy. Plasma levels of total and active ghrelins before and after the operation were assessed. Association of plasma levels of ghrelin with survival were assessed and adjusted for other potential prognostic factors using Cox regression analyses...
January 5, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28055029/gastrointestinal-transcriptomic-response-of-metabolic-vitamin-b12-pathways-in-roux-en-y-gastric-bypass
#7
Priscila Sala, Giliane Belarmino, Raquel S Torrinhas, Natasha M Machado, Danielle C Fonseca, Graziela R Ravacci, Robson K Ishida, Ismael F M S Guarda, Eduardo G de Moura, Paulo Sakai, Marco A Santo, Ismael D C G da Silva, Claudia C A Pereira, Angela F Logullo, Steven Heymsfield, Daniel Giannella-Neto, Dan L Waitzberg
OBJECTIVES: Vitamin B12 (B12) deficiency after Roux-en-Y gastric bypass (RYGB) is highly prevalent and may contribute to postoperative complications. Decreased production of intrinsic factor owing to gastric fundus removal is thought to have a major role, but other components of B12 metabolism may also be affected. We evaluated changes in the expression levels of multiple B12 pathway-encoding genes in gastrointestinal (GI) tissues to evaluate the potential roles in contributing to post-RYGB B12 deficiency...
January 5, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28055028/the-role-of-gut-brain-axis-in-regulating-glucose-metabolism-after-acute-pancreatitis
#8
Sayali A Pendharkar, Varsha M Asrani, Rinki Murphy, Richard Cutfield, John A Windsor, Maxim S Petrov
OBJECTIVES: Diabetes has become an epidemic in developed and developing countries alike, with an increased demand for new efficacious treatments. A large body of pre-clinical evidence suggests that the gut-brain axis may be exploited as a potential therapeutic target for defective glucose homeostasis. This clinical study aimed to investigate a comprehensive panel of glucoregulatory peptides, released by both the gut and brain, in individuals after acute pancreatitis. METHODS: Fasting levels of glucagon-like peptide-1 (GLP-1), glicentin, oxyntomodulin, peptide YY, ghrelin, cholecystokinin, vasoactive intestinal peptide (VIP), and secretin were studied...
January 5, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/27977020/dna-methylation-identifies-loci-distinguishing-hereditary-nonpolyposis-colorectal-cancer-without-germ-line-mlh1-msh2-mutation-from-sporadic-colorectal-cancer
#9
Chung-Hsing Chen, Shih Sheng Jiang, Ling-Ling Hsieh, Reiping Tang, Chao A Hsiung, Hui-Ju Tsai, I-Shou Chang
OBJECTIVES: Roughly half of hereditary nonpolyposis colorectal cancer (HNPCC) cases are Lynch syndrome and exhibit germ-line mutations in DNA mismatch repair (MMR) genes; the other half are familial colorectal cancer (CRC) type X (FCCTX) and are MMR proficient. About 70% of Lynch syndrome tumors have germ-line MLH1 or MSH2 mutations. The clinical presentation, histopathological features, and carcinogenesis of FCCTX resemble those of sporadic MMR-proficient colorectal tumors. It is of interest to obtain biomarkers that distinguish FCCTX from sporadic microsatellite stable (MSS) CRC, to develop preventive strategies...
December 15, 2016: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/27929524/rapid-test-for-infliximab-drug-concentration-allows-immediate-dose-adaptation
#10
Thomas Van Stappen, Lize Bollen, Niels Vande Casteele, Konstantinos Papamichael, Gert Van Assche, Marc Ferrante, Séverine Vermeire, Ann Gils
OBJECTIVES: Therapeutic drug monitoring of infliximab improves treatment outcomes, but available assays to monitor infliximab lack speed to implement treatment algorithms immediately. Our aim is to validate a rapid, lateral flow-based assay (LFA) for quantitative determination of infliximab and to assess thresholds associated with mucosal healing in patients with ulcerative colitis. METHODS: Samples (n=190) from 29 anti-tumor necrosis factor naive patients with ulcerative colitis starting infliximab induction therapy between June 2010 and February 2012 were prospectively collected...
December 8, 2016: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/27906164/early-sigmoidoscopy-or-colonoscopy-is-associated-with-improved-hospital-outcomes-in-ulcerative-colitis-related-hospitalization
#11
Kenneth Obi, Alice Hinton, Lindsay Sobotka, Razvan Arsenescu, Somashekar G Krishna, Edward J Levine, Cheng Zhang
OBJECTIVES: Performing a sigmoidoscopy or colonoscopy is recommended for assessment of disease activity, excluding infection, and guiding medical treatment during ulcerative colitis (UC)-related hospitalizations. However, it is unknown whether the timing of endoscopy impacts clinical outcomes. The objective of our study was to determine the impact of timing of endoscopy on hospital outcomes in patients with UC-related hospitalizations. METHODS: This is a cross-sectional study using data from the Nationwide Inpatient Sample database (2006-2013)...
December 1, 2016: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/27906163/expression-of-annexin-a10-in-serrated-polyps-predicts-the-development-of-metachronous-serrated-polyps
#12
Carole Macaron, Rocio Lopez, Rish K Pai, Carol A Burke
OBJECTIVES: The ability to differentiate histological characteristics between serrated polyps (SPs) and make a pathological diagnosis of a sessile serrated polyp (SSP) is highly variable. Recent studies have shown that immunohistochemical (IHC) expression of Annexin A10 (ANXA10) is a marker of a SSP. However, the clinical utility of ANXA10 expression in patients with SPs is unknown. The objective of this study was to evaluate the utility of ANXA10 expression in SPs in predicting the development of subsequent polyps at follow-up colonoscopy...
December 1, 2016: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/27831544/effects-of-prucalopride-on-esophageal-secondary-peristalsis-in-humans
#13
Chih-Hsun Yi, Wei-Yi Lei, Jui-Sheng Hung, Tso-Tsai Liu, Chien-Lin Chen
OBJECTIVES: Prucalopride, a high-affinity 5-hydroxytrypatamine 4 (5-HT4) receptors agonist, has been shown to improve colon motility in adults. Secondary peristalsis helps the clearance of retained food bolus and refluxate from the esophagus, but the effects of prucalopride on esophageal secondary peristalsis are unknown. We aimed to assess the effects of prucalopride on distension-induced secondary peristalsis in healthy adults. METHODS: Two separate sessions with prucalopride and placebo were performed in 11 healthy adults to test the effects on secondary peristalsis...
November 10, 2016: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/27831543/a-distinct-colon-derived-breath-metabolome-is-associated-with-inflammatory-bowel-disease-but-not-its-complications
#14
Florian Rieder, Satya Kurada, David Grove, Frank Cikach, Rocio Lopez, Nishaben Patel, Amandeep Singh, Naim Alkhouri, Bo Shen, Aaron Brzezinski, Mark Baker, Claudio Fiocchi, Raed A Dweik
OBJECTIVES: The accuracy of available noninvasive biomarkers for diagnosis, stratification, and prediction of inflammatory bowel disease (IBD) courses is limited. We analyzed volatile organic compounds (VOCs) in the breath of IBD patients and controls for diagnosis and differentiation of IBD as well as their link with disease location, activity, and phenotype. METHODS: A prospective study of diagnostic testing was conducted, recruiting Crohn's disease (CD), ulcerative colitis (UC), other inflammatory gastrointestinal diseases (OGDs), and healthy controls (HCs), as well as subjects with ileal pouch anal anastomosis (IPAA)...
November 10, 2016: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/27811909/fusobacterium-nucleatum-in-colorectal-carcinoma-tissue-according-to-tumor-location
#15
Kosuke Mima, Yin Cao, Andrew T Chan, Zhi Rong Qian, Jonathan A Nowak, Yohei Masugi, Yan Shi, Mingyang Song, Annacarolina da Silva, Mancang Gu, Wanwan Li, Tsuyoshi Hamada, Keisuke Kosumi, Akiko Hanyuda, Li Liu, Aleksandar D Kostic, Marios Giannakis, Susan Bullman, Caitlin A Brennan, Danny A Milner, Hideo Baba, Levi A Garraway, Jeffrey A Meyerhardt, Wendy S Garrett, Curtis Huttenhower, Matthew Meyerson, Edward L Giovannucci, Charles S Fuchs, Reiko Nishihara, Shuji Ogino
OBJECTIVES: Evidence suggests a possible role of Fusobacterium nucleatum in colorectal carcinogenesis, especially in right-sided proximal colorectum. Considering a change in bowel contents and microbiome from proximal to distal colorectal segments, we hypothesized that the proportion of colorectal carcinoma enriched with F. nucleatum might gradually increase along the bowel subsites from rectum to cecum. METHODS: A retrospective, cross-sectional analysis was conducted on 1,102 colon and rectal carcinomas in molecular pathological epidemiology databases of the Nurses' Health Study and the Health Professionals Follow-up Study...
November 3, 2016: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/27787513/the-cyclic-vomiting-syndrome-threshold-a-framework-for-understanding-pathogenesis-and-predicting-successful-treatments
#16
David J Levinthal
Cyclic vomiting syndrome (CVS) is an uncommon, idiopathic disorder defined by recurrent, sudden-onset attacks of repetitive retching and vomiting that are separated by symptom-free intervals. CVS was long regarded as a disorder primarily experienced by children but is now known to present de novo in adulthood. Adult CVS has garnered more research attention over the past 20 years, and these efforts have identified some acute and prophylactic treatments for this disorder. However, CVS still lacks a unifying disease model, and this has hindered the development of new therapies...
October 27, 2016: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/27787512/weight-and-body-composition-compartments-do-not-predict-therapeutic-thiopurine-metabolite-levels-in-inflammatory-bowel-disease
#17
Darcy Q Holt, Boyd Jg Strauss, Gregory T Moore
OBJECTIVES: Thiopurine drugs are the most commonly used steroid-sparing therapies in moderate-to-severe inflammatory bowel disease (IBD). Their complex metabolism and their narrow therapeutic windows means that optimal dosing is difficult. However, weight-based dosing is the norm. Similar antimetabolites are dosed by body composition parameters. In IBD, treatment response and toxicity has been shown to correlate with thiopurine metabolite levels. We sought to determine whether weight or body composition parameters predicted therapeutic 6-thioguanine nucleotide (6TGN) or toxic 6-methylmercaptopurine (6MMP) levels...
October 27, 2016: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/27763627/human-intestinal-barrier-function-in-health-and-disease
#18
Julia König, Jerry Wells, Patrice D Cani, Clara L García-Ródenas, Tom MacDonald, Annick Mercenier, Jacqueline Whyte, Freddy Troost, Robert-Jan Brummer
The gastrointestinal tract consists of an enormous surface area that is optimized to efficiently absorb nutrients, water, and electrolytes from food. At the same time, it needs to provide a tight barrier against the ingress of harmful substances, and protect against a reaction to omnipresent harmless compounds. A dysfunctional intestinal barrier is associated with various diseases and disorders. In this review, the role of intestinal permeability in common disorders such as infections with intestinal pathogens, inflammatory bowel disease, irritable bowel syndrome, obesity, celiac disease, non-celiac gluten sensitivity, and food allergies will be discussed...
October 20, 2016: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/27735921/advances-in-pancreatic-biomarker-measures-a-novel-approach-to-an-obscure-organ
#19
Darwin L Conwell, David C Whitcomb
The pancreas remains a challenging organ to assess because of its retroperitoneal locations and cost of accessing the pancreatic duct for collection of biological samples. A novel and potentially useful approach to analysis of pancreatic juice proteins has been developed by Rocker et al. (Clin Transl Gastroenterol 7: e174; doi:10.1038/ctg.2016.27) using whole-gut lavage fluid from a colonoscopy prep. The widespread use of colonoscopy for colon cancer screening provides the opportunity to also screen the patient for benign and malignant pancreatic diseases using the fluid waste...
October 13, 2016: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/27711069/rifaximin-microbiota-biology-and-hepatic-encephalopathy
#20
Cedric Peleman, Michael Camilleri
Rifaximin is beneficial in the treatment of minimal hepatic encephalopathy (MHE). Kang et al. (Clin Transl Gastroenterol 7: e187; doi:10.1038/ctg.2016.44) investigated the effects of rifaximin in a mouse model of MHE-associated microbiota without concomitant liver disease. In addition to some impact on the composition of microbiota, rifaximin altered bacterial functions, ameliorated local and systemic inflammation, and reduced enterocyte glutaminase activity. We discuss these effects as well as the interpretation of the permeability studies, given the potential interaction of dysbiosis with dysfunctional intestinal barrier, leading to systemic inflammation and increased uptake of bacterial metabolites that contribute to MHE in the presence of hepatic dysfunction...
October 6, 2016: Clinical and Translational Gastroenterology
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