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https://www.readbyqxmd.com/read/28230087/nardilysin-regulates-inflammation-metaplasia-and-tumors-in-murine-stomach
#1
Yuto Kimura, Kozo Ikuta, Takeshi Kimura, Tsutomu Chiba, Hiroko Oshima, Masanobu Oshima, Eiichiro Nishi, Hiroshi Seno
Chronic inflammation contributes to a wide variety of human disorders. In the stomach, longstanding gastritis often results in structural alterations in the gastric mucosa, including metaplastic changes and gastric cancers. Therefore, it is important to elucidate factors that are involved in gastric inflammation. Nardilysin (N-arginine dibasic convertase; Nrdc) is a metalloendopeptidase of the M16 family that promotes ectodomain shedding of the precursor forms of various growth factors and cytokines by enhancing the protease activities of a disintegrin and metalloproteinase (ADAM) proteins...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28229187/-precursors-of-gastric-cancer-dysplasia-and-adenoma
#2
C Langner
Gastric cancer develops from preneoplastic and early neoplastic precursor lesions. In particular, the intestinal type according to the Lauren classification is driven by chronic inflammation and progresses via a chronic gastritis - atrophy/metaplasia - dysplasia - carcinoma sequence. Staging of the extent of atrophy (OLGA) or intestinal metaplasia (OLGIM) enables risk stratification and determines follow-up investigations according to the management of precancerous conditions and lesions in the stomach (MAPS) international guidelines...
February 22, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28226350/-value-of-endoscopy-application-in-the-management-of-complications-after-radical-gastrectomy-for-gastric-cancer
#3
Yiqun Zhang, Pinghong Zhou
Endoscopy plays an important role in the diagnosis and treatment of postoperative complications of gastric cancer. Endoscopic intervention can avoid the second operation and has attracted wide attention. Early gastric anastomotic bleeding after gastrectomy is the most common. With the development of technology, emergency endoscopy and endoscopic hemostasis provide a new treatment approach. According to the specific circumstances, endoscopists can choose metal clamp to stop bleeding, electrocoagulation hemostasis, local injection of epinephrine or sclerotherapy agents, and spraying specific hemostatic agents...
February 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28226319/oral-and-sublingual-immunotherapy-potential-causes-for-eosinophilic-gastrointestinal-disorders
#4
Delara Babaie, Mehrnaz Mesdaghi, Makoto Nishino, Mahboubeh Mansouri, Motohiro Ebisawa
Food allergy is a common health problem worldwide, with increasing prevalence during recent decades. The only approved treatments for food allergy are food avoidance and administration of emergency medications in case of accidental exposure, which negatively affects patients' quality of life, so new treatments are highly desirable. Different food immunotherapy modalities have recently been used, with variable success rates in the induction of desensitization and tolerance, and different numbers and types of adverse reactions...
February 23, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28223833/autoimmune-atrophic-gastritis-current-perspectives
#5
REVIEW
Artem Minalyan, Jihane N Benhammou, Aida Artashesyan, Michael S Lewis, Joseph R Pisegna
At present there is no universally accepted classification for gastritis. The first successful classification (The Sydney System) that is still commonly used by medical professionals was first introduced by Misiewicz et al in Sydney in 1990. In fact, it was the first detailed classification after the discovery of Helicobacter pylori by Warren and Marshall in 1982. In 1994, the Updated Sydney System was proposed during the International Workshop on the Histopathology of Gastritis followed by the publication in The American Journal of Surgical Pathology by Dixon et al...
2017: Clinical and Experimental Gastroenterology
https://www.readbyqxmd.com/read/28223724/genomic-variability-of-helicobacter-pylori-isolates-of-gastric-regions-from-two-colombian-populations
#6
Andrés Jenuer Matta, Alvaro Jairo Pazos, Javier Andrés Bustamante-Rengifo, Luis Eduardo Bravo
AIM: To compare the genomic variability and the multiple colonization of Helicobacter pylori (H. pylori) in patients with chronic gastritis from two Colombian populations with contrast in the risk of developing gastric cancer (GC): Túquerres-Nariño (High risk) and Tumaco-Nariño (Low risk). METHODS: Four hundred and nine patients from both genders with dyspeptic symptoms were studied. Seventy-two patients were included in whom H. pylori was isolated from three anatomic regions of the gastric mucosa, (31/206) of the high risk population of GC (Túquerres) and (41/203) of the low risk population of GC (Tumaco)...
February 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28217843/association-between-gastric-cancer-and-the-kyoto-classification-of-gastritis
#7
Satoki Shichijo, Yoshihiro Hirata, Ryota Niikura, Yoku Hayakawa, Atsuo Yamada, Kazuhiko Koike
BACKGROUND AND AIM: Histological gastritis is associated with gastric cancer, but its diagnosis requires biopsy. Many classifications of endoscopic gastritis are available, but not all are useful for risk stratification of gastric cancer. The Kyoto Classification of Gastritis was proposed at the 85th Congress of the Japan Gastroenterological Endoscopy Society. This cross-sectional study evaluated the usefulness of the Kyoto Classification of Gastritis for risk stratification of gastric cancer...
February 20, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28216971/prediction-of-esophageal-and-gastric-histology-by-macroscopic-diagnosis-during-upper-endoscopy-in-pediatric-celiac-disease
#8
Erin D Boschee, Jason Y K Yap, Justine M Turner
AIM: To determine the sensitivity of macroscopic appearance for predicting histological diagnosis at sites other than duodenum in pediatric celiac disease (CD). METHODS: Endoscopic and histologic findings in pediatric patients undergoing upper endoscopy for first-time diagnosis of CD at Stollery Children's Hospital from 2010-2012 were retrospectively reviewed. RESULTS: Clinical charts from 140 patients were reviewed. Esophageal and gastric biopsies were taken in 54...
January 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28216963/micronutrient-deficiencies-in-patients-with-chronic-atrophic-autoimmune-gastritis-a-review
#9
EDITORIAL
Federica Cavalcoli, Alessandra Zilli, Dario Conte, Sara Massironi
Chronic atrophic autoimmune gastritis (CAAG) is an organ-specific autoimmune disease characterized by an immune response, which is directed towards the parietal cells and intrinsic factor of the gastric body and fundus and leads to hypochlorhydria, hypergastrinemia and inadequate production of the intrinsic factor. As a result, the stomach's secretion of essential substances, such as hydrochloric acid and intrinsic factor, is reduced, leading to digestive impairments. The most common is vitamin B12 deficiency, which results in a megaloblastic anemia and iron malabsorption, leading to iron deficiency anemia...
January 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28216638/thymoquinone-an-irak1-inhibitor-with-in-vivo-and-in-vitro-anti-inflammatory-activities
#10
Muhammad Jahangir Hossen, Woo Seok Yang, Daewon Kim, Adithan Aravinthan, Jong-Hoon Kim, Jae Youl Cho
Thymoquinone (TQ) is a bioactive component of black seed (Nigella sativa) volatile oil and has been shown to have anti-oxidative, anti-inflammatory, and anti-cancer properties. In the present study, we explored the molecular mechanisms that underlie the anti-inflammatory effect of TQ and its target proteins using lipopolysaccharide (LPS)-stimulated murine macrophage-like RAW264.7 and human monocyte-like U937 cells, together with LPS/D-galactosamine (GalN)-induced acute hepatitis and HCl/EtOH-induced gastritis mouse models...
February 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211221/development-of-lymphocytic-gastritis-with-recurrent-helicobacter-pylori-infection
#11
Yong Joo Kim, Ki Seok Jang
No abstract text is available yet for this article.
February 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28210269/low-prevalence-of-clinically-significant-endoscopic-findings-in-outpatients-with-dyspepsia
#12
Khaled Abdeljawad, Antonios Wehbeh, Emad Qayed
Background. The value of endoscopy in dyspeptic patients is questionable. Aims. To examine the prevalence of significant endoscopic findings (SEFs) and the utility of alarm features and age in predicting SEFs in outpatients with dyspepsia. Methods. A retrospective analysis of outpatient adults who had endoscopy for dyspepsia. Demographic variables, alarm features, and endoscopic findings were recorded. We defined SEFs as peptic ulcer disease, erosive esophagitis, malignancy, stricture, or findings requiring specific therapy...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28206938/a-review-of-sleeve-gastrectomy-specimen-histopathology
#13
Luke A Kinsinger, James C Garber, Oliver Whipple
With the increasing popularity of sleeve gastrectomy, many stomach specimens are being evaluated. Understanding the significance and treatment for unexpected pathology is important. This study examines the incidence of relevant histopathology of sleeve gastrectomy specimens. It evaluates previous data for each histopathology and provides recommendations for treatment. In this study, a retrospective review was performed for 241 patients who underwent sleeve gastrectomy from 2009 to 2014 at a single institution...
November 1, 2016: American Surgeon
https://www.readbyqxmd.com/read/28206729/gut-microbiota-and-gastric-disease
#14
Dolores Sgambato, Agnese Miranda, Lorenzo Romano, Marco Romano
The gut microbiota may be considered a crucial "organ" of human body because of its role in the maintenance of the balance between health as well as disease. It is mainly located in the small bowel and colon, while, the stomach was long thought to be sterile in particular for its high acid production. In particular, stomach was considered "an hostile place" for bacterial growth until the identification of Helicobacter pylori (HP). Now, the stomach and its microbiota can be considered as two different "organs" that share the same place and they have an impact on each other...
15, 2017: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/28205536/genomic-structure-and-insertion-sites-of-helicobacter-pylori-prophages-from-various-geographical-origins
#15
Filipa F Vale, Alexandra Nunes, Mónica Oleastro, João P Gomes, Daniel A Sampaio, Raquel Rocha, Jorge M B Vítor, Lars Engstrand, Ben Pascoe, Elvire Berthenet, Samuel K Sheppard, Matthew D Hitchings, Francis Mégraud, Jamuna Vadivelu, Philippe Lehours
Helicobacter pylori genetic diversity is known to be influenced by mobile genomic elements. Here we focused on prophages, the least characterized mobile elements of H. pylori. We present the full genomic sequences, insertion sites and phylogenetic analysis of 28 prophages found in H. pylori isolates from patients of distinct disease types, ranging from gastritis to gastric cancer, and geographic origins, covering most continents. The genome sizes of these prophages range from 22.6-33.0 Kbp, consisting of 27-39 open reading frames...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28204893/gastrointestinal-system-manifestations-in-juvenile-systemic-lupus-erythematosus
#16
Hafize Emine Sönmez, Asuman Nur Karhan, Ezgi Deniz Batu, Yelda Bilginer, Ersin Gümüş, Hülya Demir, Aysel Yüce, Seza Özen
Systemic lupus erythematosus (SLE) is an autoimmune disease which may involve gastrointestinal system (GIS). The aim of this study was to present GIS manifestations of pediatric SLE patients. The medical files of 69 children with SLE followed between January 2011 and January 2016 were reviewed. All fulfilled the Systemic Lupus International Collaborating Clinics criteria. All patients (≤18 years of age) with GIS manifestations were included. GIS manifestations were observed in 19 (27.5%) out of 69 SLE patients and present at the time of SLE diagnosis in 13 (68...
February 16, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28203472/cyanoacrylate-associated-foreign-body-granulomatous-gastritis-a-report-of-three-cases
#17
Gunes Guner, Olcay Kurtulan, Taylan Kav, Cenk Sokmensuer, Gokhan Gedikoglu, Aytekin Akyol
Granulomas are rarely seen in gastric biopsies mostly as an involvement of granulomatous diseases like sarcoidosis, Crohn's disease, infections, neoplasms, and vasculitis. Here, we claim cyanoacrylate as a foreign body type granuloma-causing agent in the stomach after vascular embolisation. We present cyanoacrylate associated gastric changes of three cases: two endoscopic biopsies and one gastric resection. In two cases, cyanoacrylate associated ulcers and granulomatous inflammation were observed in gastric mucosal biopsies following endoscopic examination after 7 months and 6 years of the glue injections, respectively...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28193167/helicobacter-pylori-prevalence-and-clinical-significance-in-patients-with-quiescent-crohn-s-disease
#18
Adi Lahat, Uri Kopylov, Sandra Neuman, Nina Levhar, Doron Yablecovitch, Benjamin Avidan, Batia Weiss, Shomron Ben-Horin, Rami Eliakim
BACKGROUND: Helicobacter pylori (HP) infection is present in about 50% of the global population, and is associated with chronic gastritis, peptic disease and gastric malignancies. HP prevalence in Crohn's disease (CD) patients was shown to be low compared to the general population, and its influence on disease activity is yet to be determined. Our aims were to determine the prevalence of HP in a selected group of CD patients with quiescent disease, and to assess the influence of its eradication on disease activity and endoscopic and laboratory activity measures...
February 13, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28192201/the-natural-product-bergenin-ameliorates-lipopolysaccharide-induced-acute-lung-injury-by-inhibiting-nf-kappab-activition
#19
Shengqian Yang, Ziru Yu, Lin Wang, Tianyi Yuan, Xue Wang, Xue Zhang, Jinhua Wang, Yang Lv, Guanhua Du
ETHNOPHARMACOLOGICAL RELEVANCE: Bergenin, an active constituent of the plants of the genus Bergenia, has been reported to have anti-inflammatory effects in the treatment of chronic bronchitis and chronic gastritis clinically. However, its therapeutic effect on lipopolysaccharide (LPS)-induced acute lung injury (ALI) and its potential mechanisms of actions were still unkown. AIM OF THIS STUDY: This study aimed to evaluate the effect of bergenin on murine model of acute lung injury induced by LPS and also to explore its potential mechanisms...
February 9, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28192107/gastrointestinal-complications-of-obesity
#20
Michael Camilleri, Harmeet Malhi, Andres Acosta
Obesity is usually associated with morbidity related to diabetes mellitus and cardiovascular diseases. However, there are many gastrointestinal and hepatic diseases for which obesity is the direct cause [e.g. non-alcoholic fatty liver diseases (NAFLD)] or is a significant risk factor, such as reflux esophagitis and gallstones. When obesity is a risk factor, it may interact with other mechanisms and result in earlier presentation or complicated diseases. There are increased odds ratios or relative risks of several gastrointestinal complications of obesity: gastroesophageal reflux disease (GERD), erosive esophagitis, Barrett's esophagus, esophageal adenocarcinoma, erosive gastritis, gastric cancer, diarrhea, colonic diverticular disease, polyps, cancer, liver disease including NAFLD, cirrhosis, hepatocellular carcinoma, gallstones, acute pancreatitis, and pancreatic cancer...
February 9, 2017: Gastroenterology
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