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Atrophic gastritis

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https://www.readbyqxmd.com/read/28223833/autoimmune-atrophic-gastritis-current-perspectives
#1
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/28216963/micronutrient-deficiencies-in-patients-with-chronic-atrophic-autoimmune-gastritis-a-review
#2
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/28206729/gut-microbiota-and-gastric-disease
#3
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/28188377/-neuroendocrine-neoplasia-of-the-stomach-what-is-new
#4
T Knösel, C Reiter, G Schubert-Fritschle, A Altendorf-Hofmann, T Kirchner
INTRODUCTION: Neuroendocrine Neoplasms are classified according to the new WHO classification in (1.) well differentiated neuroendocrine tumors G1 (NET G1, Ki67 ≤ 2 or mitosis count <2) and (2.) well differentiated neuroendocrine tumors G2 (NET G2, Ki67 3-20 or mitosis count 2-20) and (3.) poorly differentiated neuroendocrine carcinomas G3 (NEC G3, Ki67 > 20 or mitosis count >20). MATERIAL AND METHODS: In this study 310 NENs of the Ludwig-Maximilians-University in Munich were reevaluated according to the new WHO classification...
February 10, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28181350/no-evidence-of-a-role-for-mitochondrial-complex-i-in-helicobacter-pylori-pathogenesis
#5
Garrett Z Ng, Bi-Xia Ke, Adrienne Laskowski, David R Thorburn, Philip Sutton
BACKGROUND: Complex I is the first enzyme complex in the mitochondrial respiratory chain, responsible for generating a large fraction of energy during oxidative phosphorylation. Recently, it has been identified that complex I deficiency can result in increased inflammation due to the generation of reactive oxygen species by innate immune cells. As a reduction in complex I activity has been demonstrated in human stomachs with atrophic gastritis, we investigated whether complex I deficiency could influence Helicobacter pylori pathogenesis...
February 9, 2017: Helicobacter
https://www.readbyqxmd.com/read/28163290/gastric-neuroendocrine-tumor-with-hypergastrinemia-following-type-b-chronic-atrophic-gastritis-a-case-report
#6
Eriko Yamaguchi, Tsutomu Iwasa, Eikichi Ihara, Yosuke Tomita, Akira Aso, Eiji Oki, Kayoko Nakano, Minako Hirahashi, Kazuhiko Nakamura
A man in his 60s was referred to our institution for the evaluation of a gastric neuroendocrine tumor (G-NET) located in the fornix and that measured 13mm in size. Blood test results revealed hypergastrinemia (up to 3376pg/ml). Additional tests, including esophagogastroduodenoscopy, computed tomography, and intragastric pH monitoring, indicated that hypergastrinemia was not associated with type A autoimmune gastritis or gastrinoma. The patient was positive for the immunoglobulin G antibody against Helicobacter pylori, suggesting type B chronic atrophic gastritis as the cause for the condition...
2017: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
https://www.readbyqxmd.com/read/28160247/adenocarcinoma-arising-in-multiple-hyperplastic-polyps-in-a-patient-with-helicobacter-pylori-infection-and-hypergastrinemia-during-long-term-proton-pump-inhibitor-therapy
#7
Hajime Anjiki, Ken-Ichi Mukaisho, Yu Kadomoto, Hisakazu Doi, Kunio Yoshikawa, Takahisa Nakayama, Diem Thi-Ngoc Vo, Takanori Hattori, Hiroyuki Sugihara
We report a case of developing multiple adenocarcinoma foci in multiple hyperplastic polyps in a patient with Helicobacter pylori infection and hypergastrinemia during long-term proton pump inhibitor (PPI) therapy. A 57-year-old man, who was undergoing hemodialysis for chronic renal failure, underwent an upper gastrointestinal endoscopy to elucidate the cause of anemia. Atrophic gastritis with H. pylori infection and multiple adenocarcinoma foci in multiple hyperplastic polyps were found in the endoscopic and histological examinations...
February 3, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28153426/factors-affecting-gastrointestinal-absorption-of-levothyroxine-a-review
#8
REVIEW
Marko Skelin, Tomo Lucijanić, Daniela Amidžić Klarić, Arnes Rešić, Miro Bakula, Ana-Marija Liberati-Čizmek, Hossein Gharib, Dario Rahelić
PURPOSE: Levothyroxine (LT4) is a drug with a narrow therapeutic index, applied in small amounts (micrograms), which makes interactions in the absorption phase clinically significant. The main aim of this article was to review and present the latest information on factors that affect the gastrointestinal absorption of this drug. METHODS: Relevant data were collected by using the MEDLINE, PubMed, EMBASE, Web of Science, Science Direct, and Scopus databases with the key words levothyroxine and absorption...
January 30, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28152027/distinct-clinicopathological-features-and-prognosis-of-helicobacter-pylori-negative-gastric-cancer
#9
Kun-Feng Tsai, Jyh-Ming Liou, Mei-Jyh Chen, Chien-Chuan Chen, Sung-Hsin Kuo, I-Rue Lai, Kun-Huei Yeh, Ming-Tsan Lin, Hsiu-Po Wang, Ann-Lii Cheng, Jaw-Town Lin, Chia-Tung Shun, Ming-Shiang Wu
BACKGROUND: Whether the characteristics and prognosis of gastric cancer (GC) are different in patients with and without Helicobacter pylori (HP) remains controversial. The definitions of HP status in patients with atrophic gastritis but negative tests for HP are heterogeneous. We aimed to assess the impact of HP on the prognosis of GC using different definitions. METHODS: From 1998 Nov to 2011 Jul, five hundred and sixty-seven consecutive patients with GC were included...
2017: PloS One
https://www.readbyqxmd.com/read/28150722/mir-27a-rs895819-is-involved-in-increased-atrophic-gastritis-risk-improved-gastric-cancer-prognosis-and-negative-interaction-with-helicobacter-pylori
#10
Qian Xu, Tie-Jun Chen, Cai-Yun He, Li-Ping Sun, Jing-Wei Liu, Yuan Yuan
MiR-27a rs895819 is a loop-stem structure single nucleotide polymorphism affecting mature miR-27a function. In this study, we performed a comprehensive analysis about the association of rs895819 with gastric cancer risk and prognosis, atrophic gastritis risk, as well as the interactions with environmental factors. A total of 939 gastric cancer patients, 1,067 atrophic gastritis patients and 1,166 healthy controls were screened by direct sequencing and MALDI-TOF-MS. The association of rs895819 with clinical pathological parameters and prognostic survival in 357 gastric cancer patients was also been analyzed...
February 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28144230/gastrin-and-gastric-cancer
#11
REVIEW
Helge L Waldum, Liv Sagatun, Patricia Mjønes
Gastric cancer although occurring in reduced frequency is still an important disease, partly because of the bad prognosis when occurring in western countries. This decline in occurrence may mainly be due to the reduced prevalence of Helicobacter pylori (Hp) infection, which is the most important cause of gastric cancer. There exist many different pathological classifications of gastric carcinomas, but the most useful seems to be the one by Lauren into intestinal and diffuse types since these types seldom transform into the other and also have different epidemiology...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28138180/histopathological-pattern-of-benign-endoscopic-gastric-biopsies-in-western-saudi-arabia-a-review-of-1236-cases
#12
Zeinab Moustafa Elsawaf, Abdulkader Mohammed Albasri, Akbar Shah Hussainy, Ahmed Safar Alhujaily
OBJECTIVE: To determine the histopathological pattern of gastritis and benign gastric diseases in western Saudi Arabia. METHODS: TThis retrospective histopathology-based study was conducted in a tertiary care hospital in Madinah, Saudi Arabia, and comprised medical records of all patients who were diagnosed to have benign gastric diseases from January 2006 to December 2015.SPSS 19 was used for data analysis. RESULTS: Of the 1,236 patients, 669(54...
February 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28124157/impact-of-the-microbiota-and-gastric-disease-development-by-helicobacter-pylori
#13
Teresa Alarcón, Laura Llorca, Guillermo Perez-Perez
Microorganisms in humans form complex communities with important functions and differences in each part of the body. The stomach was considered to be a sterile organ until the discovery of Helicobacter pylori, but nowadays, it is possible to demonstrate that other microorganisms beyond H. pylori can colonize the gastric mucosa and that the diverse microbiota ecosystem of the stomach is different from the mouth and the esophagus, and also from the small intestine and large intestine. H. pylori seems to be the most important member of the gastric microbiota with the highest relative abundance when present, but when it is absent, the stomach has a diverse microbiota...
2017: Current Topics in Microbiology and Immunology
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
#14
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/28077338/10-day-bismuth-containing-quadruple-therapy-is-effective-as-first-line-therapy-for-helicobacter-pylori-related-chronic-gastritis-a-prospective-randomized-study-in-china
#15
Liangjing Wang, Zhenghua Lin, Shujie Chen, Jun Li, Chun Xiao Chen, Zhiming Huang, Bin Ye, Jin Ding, Wei Li, Lunpo Wu, Ying Jiang, Lina Meng, Qin Du, Jianmin Si
OBJECTIVES: To investigate the effectiveness of 10-day bismuth-containing quadruple (B-quadruple) treatment as first-line therapy in patients with Helicobacter pylori related chronic gastritis. METHODS: Randomized control trial conducted from Oct. 2011 to Dec. 2013 in Zhejiang, China, including patients with H. pylori-related chronic gastritis who were randomly given either 10-day omeprazole-based triple (OM-triple, omeprazole 20 mg twice daily, clarithromycin 500 mg twice daily and amoxicillin 1g twice daily), or 10-day B-quadruple therapy (OM-triple + bismuth subcitrate 120 mg four times daily)...
January 7, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28072871/atrophic-and-metaplastic-progression-in-the-background-mucosa-of-patients-with-gastric-adenoma
#16
Hee Kyong Na, Charles J Cho, Suh Eun Bae, Jeong Hoon Lee, Young Soo Park, Ji Yong Ahn, Do Hoon Kim, Kee Don Choi, Ho June Song, Gin Hyug Lee, Se Jin Jang, Hwoon-Yong Jung
BACKGROUND: In patients with adenoma, assessing premalignant changes in the surrounding mucosa is important for surveillance. This study evaluated atrophic and metaplastic progression in the background mucosa of adenoma or early gastric cancer (EGC) cases. METHODS: Among 146 consecutive patients who underwent endoscopic resection for intestinal-type gastric neoplasia, the adenoma group included 56 patients with low-grade dysplasia and the ECG group included 90 patients with high-grade dysplasia or invasive carcinoma...
2017: PloS One
https://www.readbyqxmd.com/read/28070825/prevalence-and-predictors-of-giardia-in-the-united-states
#17
Haley M Zylberberg, Peter H R Green, Kevin O Turner, Robert M Genta, Benjamin Lebwohl
BACKGROUND: Infection with Giardia lamblia is a common cause of diarrheal disease in the developing and industrialized world. AIMS: We aimed to assess the prevalence of giardiasis in the United States (US) among patients with duodenal biopsies, investigating demographic and clinical factors associated with this condition. METHODS: We conducted a cross-sectional study of patients with duodenal biopsies submitted to a national pathology laboratory between January 2, 2008, and December 31, 2015...
January 9, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28067243/association-of-polymorphisms-in-three-pri-mirnas-that-target-pepsinogen-c-with-the-risk-and-prognosis-of-gastric-cancer
#18
Ye-Feng Wu, Qian Xu, Cai-Yun He, Ying Li, Jing-Wei Liu, Na Deng, Li-Ping Sun, Yuan Yuan
We aimed to explore the associations of polymorphisms in three microRNAs (miRNAs) (let-7e rs8111742, miR-365b rs121224 and miR-4795 rs1002765) that target PGC with the risk and prognosis of gastric cancer/atrophic gastritis. Sequenom's MassArray was used to genotype the miRNA polymorphisms in 724 gastric cancer cases, 862 atrophic gastritis cases and 862 controls in a Chinese population. We found that let-7e rs8111742 and miR-4795 rs1002765 were associated with the risk of gastric cancer in the H. pylori-positive subgroup...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28050349/intra-abdominal-abscesses-by-lactococcus-lactis-ssp-cremoris-in-an-immunocompetent-adult-with-severe-periodontitis-and-pernicious-anemia
#19
Konstantinos Fragkiadakis, Petros Ioannou, Emmanouil Barbounakis, George Samonis
We report the case of an immunocompetent man who presented with fever and abdominal pain and was found to have a hepatic abscess and a peri-renal abscess with a computerized tomography scan. The hepatic abscess was drained percutaneously and cultures revealed the presence of Lactococcus lactis that was sensitive to penicillin. The patient was successfully treated with ceftriaxone and metronidazole with resolution of the abscesses. Further work-up revealed atrophic gastritis, vitamin B12 deficiency, periodontitis and gingivitis, suggesting a possible site of entry for the development of the abscesses...
2017: IDCases
https://www.readbyqxmd.com/read/28049442/analyzing-the-influence-of-gastric-intestinal-metaplasia-on-gastric-ulcer-healing-in-helicobacter-pylori-infected-patients-without-atrophic-gastritis
#20
COMPARATIVE STUDY
Li-Wei Chen, Liang-Che Chang, Chung-Ching Hua, Bor-Jen Hsieh, Shuo-Wei Chen, Rong-Nan Chien
BACKGROUND: Gastric epithelial hyper-proliferation was reported in patients with Helicobacter pylori (H. pylori)-infected gastric mucosa with intestinal metaplasia (IM) changes. In patients with gastric ulcer (GU) and IM, the GU may have a different healing rate in comparison to patients without IM. This study aimed to compare the difference in GU healing between H. pylori-infected patients with IM and those without IM. METHODS: We retrospectively analyzed patients at the Keelung Chung Gung Memorial Hospital during the period from March 2005 to January 2011...
January 3, 2017: BMC Gastroenterology
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