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https://www.readbyqxmd.com/read/29652111/actual-diagnosis-of-helicobacter-pylori-infection
#1
Philippe Lehours
Helicobacter pylori colonizes the stomach of half of humanity. The prevalence of this infection is higher among people of low socioeconomic status and from developing countries. In the absence of effective antibiotic treatment, the infection persists decades or even lifetime. The diagnosis of H. pylori can be made by invasive methods when biopsies are obtained: culture, histological examination, polymerase chain reaction or rapid urease test. Non-invasive methods have been developed, including the urea breath test, a test of high reliability, particularly suitable for post treatment monitoring, but also the fecal antigen test, as well as the detection of antibodies in the serum...
April 12, 2018: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/29652033/the-effect-of-virulence-genotypes-of-helicobacter-pylori-on-eradication-therapy-in-children
#2
Shuang-Hong Zhang, Xuan Zhu, Bi-Min Li, Hong Li
Background/Aim: It is important to eradicate Helicobacter pylori at an early stage in patients during childhood to potentially prevent the development of H. pylori-related diseases. Studies have demonstrated that the virulence genotype of H. pylori influences the efficacy of eradication therapy. The efficacy of triple therapy has decreased significantly, which has seriously affected the clinical outcome of children with H. pylori infection. In this study we aimed to investigate the influence of virulence genotypes of H...
April 13, 2018: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
https://www.readbyqxmd.com/read/29644738/editorial-the-prevalence-of-helicobacter-pylori-infection-worldwide-knowns-and-unknowns-authors-reply
#3
EDITORIAL
M Zamani, M H Derakhshan, V Zamani, J Shokri-Shirvani
No abstract text is available yet for this article.
May 2018: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29643870/therapeutic-endoscopy-in-combination-with-quadruple-therapy-in-treating-bleeding-caused-by-gastric-ulcer
#4
Yuqin Zuo, Shuhui Wang, Xiujuan Cui, Hongna Lv
Objective: To analyze the efficacy of therapeutic endoscopy in combination with quadruple therapy in treating bleeding caused by gastric ulcer and investigate the factors inducing rebleeding. Methods: Two hundred and twelve patients with bleeding caused by gastric ulcer who were admitted to Binzhou People's Hospital, Shandong, China between April 2015 and April 2016 were selected as research subjects. The patients were randomly divided into a control group and an experimental group...
January 2018: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29627231/status-of-vaccine-research-and-development-for-helicobacter-pylori
#5
Philip Sutton, Joanne M Boag
Gastric adenocarcinoma is globally the third leading cause of death due to malignancy, with the bulk of this disease burden being suffered by low and middle income countries (LMIC), especially in Asia. The majority of these cancers develop as a result of a chronic gastritis that arises in response to infection with the stomach-dwelling bacterium, Helicobacter pylori. A vaccine against this pathogen would therefore be a powerful tool for preventing gastric adenocarcinoma. However, notwithstanding a proof-of-concept that vaccination can protect children from acquisition of H...
April 4, 2018: Vaccine
https://www.readbyqxmd.com/read/29625086/tr1-responses-are-elevated-in-asymptomatic-h-pylori-infected-individuals-and-are-functionally-impaired-in-h-pylori-gastric-cancer-patients
#6
Zongchang Song, Tongxia Zhang, Guang Li, Ying Tang, Yan Luo, Genhua Yu
Gastric cancer is one of the most lethal malignancies worldwide. Chronic Helicobacter pylori (H. pylori) infection can induce an inflammatory response that promotes atrophic gastritis, a preceding event to cancer development. The type 1 regulatory T (Tr1) cells have recently emerged as a critical participant in maintaining self-tolerance. In this study, we examined Tr1 cells in H. pylori infection and gastric cancer development. While H. pylori-uninfected (uninfected) subjects presented low Tr1 frequency in the peripheral blood, H...
April 3, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29623817/restless-legs-syndrome-in-patients-infected-with-helicobacter-pylori
#7
Farzaneh Rezvani, Mohammad Sayadnasiri, Omid Rezaei
Objective Although the etiology of restless legs syndrome (RLS) is yet to be discovered, some studies have mentioned the effect of infectious diseases in occurrence of RLS. This study aims to determine the association between common Helicobacter pylori (H. pylori) infection and occurrence of RLS. Methods In this descriptive analytical cross-sectional study, patients with RLS who were referred to the Internal Medicine Clinic of Fayazbakhsh Hospital in Tehran from September to December 2016 were evaluated. Patients with underlying diseases that would lead to secondary RLS were excluded from the study...
April 6, 2018: Neurological Research
https://www.readbyqxmd.com/read/29623181/dealing-with-uncertainty-in-the-treatment-of-helicobacter-pylori
#8
REVIEW
Xavier Calvet
Helicobacter pylori treatment may be viewed as an uncertain situation, where current knowledge is insufficient to provide evidence-based recommendations for all possible scenarios. Evidence suggests that, under uncertainty conditions, a few simple rules of thumb tend to work better than complex algorithms. Overall, five evidence-based rules of thumb are suggested: (1) Use four drugs; (2) Use maximal acid inhibition; (3) Treat for 2 weeks; (4) Do not repeat antibiotics after treatment failure; and (5) If your treatment works locally, keep using it...
April 2018: Therapeutic Advances in Chronic Disease
https://www.readbyqxmd.com/read/29621300/characteristics-of-non-cardia-gastric-cancer-with-a-high-serum-anti-helicobacter-pylori-igg-titer-and-its-association-with-diffuse-type-histology
#9
Eun Jeong Gong, Ji Young Lee, Suh Eun Bae, Young Soo Park, Kee Don Choi, Ho June Song, Gin Hyug Lee, Hwoon-Yong Jung, Woo Jin Jeong, Gab Jin Cheon, Jeong Hwan Yook, Byung Sik Kim
BACKGROUND: Data on implications of a high positive titer of serum anti-Helicobacter pylori antibody on gastric cancer (GC) is limited. This study aimed to investigate the characteristics of GC with a high serum anti-H. pylori IgG (Hp-IgG) titer, and its association with diffuse-type GC. METHODS: We analyzed clinical and histological characteristics of 917 non-cardia GC patients who underwent gastrectomy. H. pylori infection was determined serologically by measuring Hp-IgG titer with immunoassay...
2018: PloS One
https://www.readbyqxmd.com/read/29619400/unusual-presentation-of-duodenal-ulcer-presenting-with-duodenal-intussusception
#10
Shilpa Lingala, Andrew Moore, Siri Kadire, Sridhar Shankar, Kanak Das, Colin W Howden
We present a unique case of duodeno-duodenal intussusception from a duodenal bulb ulcer. A 38-year-old man presented with nausea, vomiting, and abdominal pain. Computed tomography showed duodenal intussusception. Esophagogastroduodenoscopy (EGD) showed a linear gastric ulcer and a duodenal bulb ulcer with an overlying blood clot. Helicobacter pylori status was positive. Intussusception resolved spontaneously without intervention. He completed treatment for H. pylori infection, and repeat EGD showed ulcer healing...
2018: ACG Case Reports Journal
https://www.readbyqxmd.com/read/29617272/prediction-of-protein-protein-interactions-from-amino-acid-sequences-based-on-continuous-and-discrete-wavelet-transform-features
#11
Tao Wang, Liping Li, Yu-An Huang, Hui Zhang, Yahong Ma, Xing Zhou
Protein-protein interactions (PPIs) play important roles in various aspects of the structural and functional organization of cells; thus, detecting PPIs is one of the most important issues in current molecular biology. Although much effort has been devoted to using high-throughput techniques to identify protein-protein interactions, the experimental methods are both time-consuming and costly. In addition, they yield high rates of false positive and false negative results. In addition, most of the proposed computational methods are limited in information about protein homology or the interaction marks of the protein partners...
April 4, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29609070/equivalent-efficacies-of-reverse-hybrid-and-bismuth-quadruple-therapies-in-eradication-of-helicobacter-pylori-infection-in-a-randomized-controlled-trial
#12
Ping-I Hsu, Feng-Woei Tsay, David Y Graham, Tzung-Jiun Tsai, Kuo-Wang Tsai, John Y Kao, Nan-Jing Peng, Chao-Hung Kuo, Sung-Shuo Kao, Huay-Min Wang, Te-Fu Lin, Deng-Chyang Wu
BACKGROUND & AIMS: Bismuth quadruple therapy is recommended as a first-line treatment for Helicobacter pylori infection in the United States but hybrid therapy is an alternative option. Reverse hybrid therapy (proton pump inhibitor plus amoxicillin for 14 days, and clarithromycin plus metronidazole for the initial 7 days) is a simplified hybrid treatment. We aimed to assess the efficacies of reverse hybrid therapy vs bismuth quadruple therapy as first-line treatments for patients with H pylori infection in a randomized trial...
March 30, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29606921/overview-of-current-concepts-in-gastric-intestinal-metaplasia-and-gastric-cancer
#13
David S Jencks, Jason D Adam, Marie L Borum, Joyce M Koh, Sindu Stephen, David B Doman
Gastric intestinal metaplasia is a precancerous change of the mucosa of the stomach with intestinal epithelium, and is associated with an increased risk of dysplasia and cancer. The pathogenesis to gastric cancer is proposed by the Correa hypothesis as the transition from normal gastric epithelium to invasive cancer via inflammation followed by intramucosal cancer and invasion. Multiple risk factors have been associated with the development of gastric intestinal metaplasia interplay, including Helicobacter pylori infection and associated genomics, host genetic factors, environmental milieu, rheumatologic disorders, diet, and intestinal microbiota...
February 2018: Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29605555/randomized-controlled-trial-ppi-based-triple-therapy-containing-metronidazole-versus-clarithromycin-as-first-line-treatment-for-helicobacter-pylori-in-adolescents-and-young-adults-in-japan
#14
Katushiro Mabe, Masumi Okuda, Shogo Kikuchi, Kenji Amagai, Rie Yoshimura, Mototsugu Kato, Naoya Sakamoto, Masahiro Asaka
BACKGROUND/AIMS: Treating Helicobacter pylori infection in young people is effective for preventing gastric cancer. This study compares the efficacy of triple therapies in adolescents and young adults in Japan. METHODS: This multicenter, randomized trial was conducted between February 2012 and March 2015. Infected participants were stratified into adolescents (13-19 years) and young adults (20-39 years). They were randomly assigned to a clarithromycin based (PAC) or metronidazole based (PAM) triple therapy for 1 week...
March 28, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29604247/involvement-of-micrornas-mmps-e-cadherin-in-the-migration-and-invasion-of-gastric-cancer-cells-infected-with-helicobacter-pylori
#15
Yongmei Yang, Xiaohui Li, Jie Du, Youcong Yin, Yuanjian Li
It has been found that Helicobacter pylori (H. pylori)is not only the main cause of gastric cancer, but also closely related to its metastasis. E-cadherin cleavage induced by matrix metalloproteinases (MMPs) plays an important role in the tumor metastasis. In the present study, we investigated the role of microRNAs-MMPs-E-cadherin in migration and invasion of gastric cancer cells treated with H. pylori. The results showed that H. pylori induced migration and invasion of SGC-7901 cells with a down-regulation of E-cadherin expression, which were abolished by MMPs knock down, E-cadherin overexpression, mimics of miR128 and miR148a...
March 28, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29603881/decreased-risk-for-microscopic-colitis-and-inflammatory-bowel-disease-among-patients-with-reflux-disease
#16
Amnon Sonnenberg, Kevin O Turner, Robert M Genta
BACKGROUND: Previous studies found an increased risk for microscopic colitis (MC) associated with proton pump inhibitors. In patients with ulcerative colitis (UC) or Crohn's disease (CD), proton pump inhibitors have been associated with an increased risk for IBD flares and impaired outcomes. AIMS: To test the epidemiologic associations between gastrooesophageal reflux disease (GERD) and MC, UC or CD in a large database. METHOD: The Miraca Life Sciences Database is a national electronic repository of histopathological records of patients distributed throughout the entire US...
March 31, 2018: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/29602925/-risk-factors-for-adverse-course-of-gastric-and-duodenal-peptic-ulcer
#17
Olena M Komar, Nataliya M Kizlova, Oleksandra D Trylevych, Vasyl V Kravchenko
OBJECTIVE: Introduction: High morbidity rate, frequent relapses, and significant economic losses give reasons for highlighting the peptic ulcer disease as the most topical medical-statistical problem. The aim of the study is to assess the influence of the main risk factors on the course of gastric and duodenal peptic ulcer. PATIENTS AND METHODS: Materials and methods: We formed up the risk groups consisted of patients with 12 modified (4) and regular (8) factors, each characterized with its own signs and gradations...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29602600/usefulness-of-rapid-urease-test-samples-for-molecular-analysis-of-clarithromycin-resistance-in-helicobacter-pylori
#18
María R Baroni, Pamela Bucci, Rita N Giani, Antonela Giusti, Fabian A Tedeschi, Emiliano Salvatierra, Yanina Barbaglia, Félix Jimenez, Fabian E Zalazar
Helicobacter pylori is a gastric pathogen that is widely recognized as a causative agent of gastric disease. Its eradication is variable, mainly due to increased resistance to clarithromycin. Our objective was: to evaluate (i) if the biopsy specimen used for the rapid urease test is a useful sample to detect resistance to clarithromycin by PCR-RFLP and (ii) the distribution of A2142G and A2143G point mutations in the 23S rRNA gene, in relation to virulence factors in our region. Gastric specimens were collected from adult dyspeptic patients (n=141) and H...
March 27, 2018: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/29601867/high-salt-diet-can-down-regulate-tff2-expression-level-in-gastric-mucosa-of-mgs-after-h-pylori-infection
#19
Xue Chen, You Hu, Ying Xie, Ying Wang
This study aimed to elucidate the effect of Helicobacter pylori (H. pylori) and high salt diet on Trefoil factor 2 (TFF2) expression level of Mongolian gerbils (MGs) gastric mucosa. The results of H. pylori identification and histopathology showed that H. pylori infected MGs model was built successfully. According to the immunohistochemical staining results, 25% (4/16) of H. pylori infected MGs with high salt diet showed high TFF2 expression, which was significantly lower than H. pylori infection group 61% (11/18)(P = 0...
March 27, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29600697/pharmacological-considerations-and-step-by-step-proposal-for-the-treatment-of-helicobacter-pylori-infection-in-the-year-2018
#20
Rinaldo Pellicano, Rocco M Zagari, Songhua Zhang, Giorgio M Saracco, Steven F Moss
Over the past 30 years, multidrug regimens consisting of a proton pump inhibitor (PPI) and two or three antibiotics have been used in treating Helicobacter pylori (H. pylori) infection. In clinical practice, the optimal regimen to cure H. pylori infection should be decided regionally. Considering the first treatment, the Maastricht V/Florence Consensus Report and the American College of Gastroenterology Clinical Management Guideline highlight that in countries with low clarithromycin resistance rates (<15%), an empiric clarithromycin-based regimen can be used...
March 30, 2018: Minerva Gastroenterologica e Dietologica
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