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https://www.readbyqxmd.com/read/29149904/concomitant-sequential-and-7-day-triple-therapy-in-first-line-treatment-of-helicobacter-pylori-infection-in-korea-study-protocol-for-a-randomized-controlled-trial
#1
Hyuk Lee, Beom Jin Kim, Sang Gyun Kim, Jin Il Kim, Il Ju Choi, Yong Chan Lee, Jae G Kim, Jae J Kim
BACKGROUND: Most international guidelines recommend triple-therapy regimens consisting of a proton pump inhibitor, clarithromycin, and amoxicillin/metronidazole for at least 7 days for the eradication of Helicobacter pylori. However, the efficacy of 7-day clarithromycin-based standard triple therapy for H. pylori infection is currently unacceptable in Korea. In this study, we will compare the efficacy and safety of 7-day standard triple therapy, 10-day sequential therapy, and 10-day concomitant therapy for the first-line treatment of H...
November 17, 2017: Trials
https://www.readbyqxmd.com/read/29148176/differential-proteomic-analysis-reveals-protein-networks-and-pathways-that-may-contribute-to-helicobacter-pylori-fkbp-type-ppiase-associated-gastric-diseases
#2
Yanmei Zhu, Yuehua Gong, Aodi Li, Moye Chen, Dan Kang, Jun Liu, Yuan Yuan
PURPOSE: Though Helicobacter pylori (H. pylori) has been classified as class I carcinogen, key virulence factor generated by H. pylori that causes gastric cancer remains to be fully determined. Recently, we identified a gastric cancer-associated H. pylori gene, peptidylprolyl isomerase-FK506 binding protein (PPIase-FKBP), and showed that PPIase-FKBP was capable of inducing oncogenic transformation of gastric epithelial cells. But its mechanism was unclear. EXPERIMENTAL DESIGN: We carried out a comparative proteomic analysis of human gastric epithelial cells that either express PPIase-FKBP or green fluorescent protein (GFP) using two-dimensional (2-D) gel electrophoresis and then matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF-MS/MS)...
November 16, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/29145789/helicobacter-pylori-controls-nlrp3-expression-by-regulating-hsa-mir-223-3p-and-il-10-in-cultured-and-primary-human-immune-cells
#3
Suneesh Kumar Pachathundikandi, Steffen Backert
Inflammasome-mediated production of mature IL-1β and IL-18 cytokines represents an important innate immune response against infecting pathogens. Helicobacter pylori, one of the most successful and persistent human pathogens, induces severe inflammation leading to gastritis and more serious gastric diseases. H. pylori modulates different immune responses for its survival and inflammasome signaling is manipulated by the cag pathogenicity island ( cagPAI), urease and VacA cytotoxin. Here we report that H. pylori regulates NLRP3 expression, an inflammasome forming regulator, in infected THP-1 monocytes...
January 1, 2017: Innate Immunity
https://www.readbyqxmd.com/read/29144559/treatment-of-helicobacter-pylori-infection-a-clinical-practice-update
#4
REVIEW
Rocco Maurizio Zagari, Stefano Rabitti, Leonardo Henry Eusebi, Franco Bazzoli
BACKGROUND: Helicobacter pylori infection is still frequent in the community and all infected subjects should be offered an eradication therapy. Nowdays physicians have to face the challenge of antibiotic resistance in treating Helicobacter pylori infected individuals. AIM: This review provides an overview of current international guidelines and reports recent evidence from systematic reviews and clinical trials on the treatment of Helicobacter pylori infection, and should help physicians to better treat their patients...
November 16, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29143724/gastric-lymphoma-association-with-helicobacter-pylori-outer-membrane-protein-q-hopq-and-cytotoxic-pathogenicity-activity-island-cpai-genes
#5
J Yakoob, Z Abbas, Z Ahmad, K Tariq, S Awan, K Mustafa, R Khan
B-cell non-Hodgkin lymphoma (B-cell NHL) is the second commonest malignancy in the stomach. We determined the distribution of Helicobacter pylori outer membrane protein Q (HopQ) allelic type, cytotoxin-associated gene (cag)-pathogenicity activity island (cag-PAI) and vacuolation activating cytotoxin A (vacA) genes, respectively, in patients with B-cell NHL. We also compared them with their distribution in non-ulcer dyspepsia (NUD). H. pylori was cultured from gastric biopsy tissue obtained at endoscopy. Polymerase chain reaction was performed...
November 16, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/29138961/blastocystis-subtypes-isolated-from-irritable-bowel-syndrome-patients-and-co-infection-with-helicobacter-pylori
#6
Ayman A El-Badry, Wegdan M Abd El Wahab, Doaa A Hamdy, Alaa Aboud
Irritable bowel syndrome (IBS) is a chronic functional gastrointestinal disease presenting clinically by abdominal pain with alteration of bowel habits. Although IBS has uncertain etiology, chronic gut inflammation due to persistent exposure to an infectious agent including Blastocystis sp. was proposed. The aim of this study was to detect the prevalence of Blastocystis sp. subtype (ST) isolated from stool of IBS patients and to assess Blastocystis sp. and H. pylori co-infection in IBS patients from Beni-Suef Governorate, Egypt...
November 14, 2017: Parasitology Research
https://www.readbyqxmd.com/read/29138921/world-trends-for-h-pylori-eradication-therapy-and-gastric-cancer-prevention-strategy-by-h-pylori-test-and-treat
#7
REVIEW
Hidekazu Suzuki, Hideki Mori
Helicobacter pylori-associated gastritis leads to the development of gastric cancer. Kyoto global consensus report on H. pylori gastritis recommended H. pylori eradication therapy to prevent gastric cancer. To manage H. pylori infection, it is important to choose the appropriate regimen considering regional differences in resistance to clarithromycin and metronidazole. Quinolones and rifabutin-containing regimens are useful as third- and fourth-line rescue therapies.
November 14, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/29138645/chinese-classical-formula-sijunzi-decoction-and-chronic-atrophic-gastritis-evidence-for-treatment-approach
#8
REVIEW
Danan Gan, Aili Xu, Hongbo Du, Yong'an Ye
Objective: This aim is to evaluate the effect of Sijunzi decoction (SJZD) treating chronic atrophic gastritis (CAG). Methods: We performed searches in seven databases. The randomized controlled trials (RCTs) comparing SJZD with standard medical care or inactive intervention for CAG were enrolled. Combined therapy of SJZD plus conventional therapies compared with conventional therapies alone was also retrieved. The primary outcome included the incidence of gastric cancer and the improvement of atrophy, intestinal metaplasia, and dysplasia based on the gastroscopy and pathology...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29138530/group-2-innate-lymphoid-cells-are-involved-in-skewed-type-2-immunity-of-gastric-diseases-induced-by-helicobacter-pylori-infection
#9
Rong Li, Xiao-Xia Jiang, Lin-Fang Zhang, Xiao-Ming Liu, Ting-Zi Hu, Xiu-Juan Xia, Ming Li, Can-Xia Xu
H. pylori induces a complicated local and systematic immune response and contributes to the carcinogenesis of gastric cancer. A primary type 1 immune response is evoked by H. pylori since its occurrence. However, it is not unusual that an inhibitory immunity is dominant in H. pylori-associated diseases, which are promoted by the formation of immunosuppressive microenvironment. But whether group 2 innate lymphoid cells (ILC2s) plays a critical role in H. pylori-induced skewed type 2 immunity is still unclear...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29138101/primary-antibiotic-resistance-of-helicobacter-pylori-in-chinese-patients-a-multi-region-prospective-7-year-study
#10
Dong-Sheng Liu, You-Hua Wang, Zhi-Rong Zeng, Zhen-Yu Zhang, Hong Lu, Jian-Ming Xu, Yi-Qi Du, Yan Li, Jiang-Bin Wang, San-Ping Xu, Ye Chen, Chun-Hui Lan, Hong Cheng, Ming-de Jiang, Ling-Xia Zhang, Li-Juan Huo, Shi-Yao Chen, Guo-Xin Zhang, Kai-Chun Wu, Xuan Zhu, You-Xiang Chen, Yin Zhu, Xu Shu, Yong Xie, Nong-Hua Lu
OBJECTIVES: To explore the characteristics of H. pylori resistance in China and the association between antibiotic resistance and several clinical factors. METHODS: H. pylori strains were collected from patients in 13 provinces/cities in China between 2010 and 2016. Demographic data including type of disease, geographic area, age, gender and isolation year were collected to analyse their association with antibiotic resistance. Antibiotic resistance was detected using the Epsilometer test and the Kirby-Bauer disk diffusion method...
November 11, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29138097/gastric-microbiota-an-emerging-player-in-helicobacter-pylori-induced-gastric-malignancies
#11
J Luis Espinoza, Ayumi Matsumoto, Hirokazu Tanaka, Itaru Matsumura
The complex diversity of nonpathogenic microbes that colonize the human body, known as microbiota, exert considerable effects on physiological homeostasis, and immune regulation. Helicobacter pylori (H. pylori) is a bacterium that frequently colonizes human stomach and is a major pathogenic agent for peptic ulcer diseases, gastric cancer, and mucosa-associated lymphoid tissue (MALT) lymphoma. Due to its acidic pH and peristaltic movements, the stomach has been considered a hostile environment for most microorganisms, however various commensal microorganisms are capable of colonizing the stomach to form a stomach niche...
November 11, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29136948/gastroprotective-effect-and-mode-of-action-of-methanol-extract-of-sphenodesme-involucrata-var-paniculata-c-b-clarke-munir-lamiaceae-leaves-on-experimental-gastric-ulcer-models
#12
Puthanpura Sasidharan Sreeja, Karuppusamy Arunachalam, Sathyanarayanan Saikumar, Muniyandi Kasipandi, Sivaraj Dhivya, Rajan Murugan, Thangaraj Parimelazhagan
Sphenodesme involucrata var. paniculata (C. B. Clarke) Munir, endemic to South Asia, is used by tribal for alleviation from abdominal disorders, inflammation and body pain. However, the gastroprotective properties of this species have not yet been studied. The leaves of S. involucrata were extracted by Soxhlet extraction using different solvents successively and the extracts were analyzed for antioxidant and anti-Helicobacter pylori activities using different in vitro assays. The chemical composition of methanol extract of S...
November 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29135563/the-prevalence-and-sociodemographic-determinants-of-uninvestigated-dyspepsia-in-the-czech-republic-a-multicentre-prospective-study-accomplished-10-years-after-the-first-study-from-the-same-geographical-areas
#13
Stanislav Rejchrt, Ilona Koupil, Marcela Kopáčová, Miluška Škodová Fendrichová, Bohumil Seifert, Viktor Voříšek, Jana Špirková, Tomáš Douda, Ilja Tachecí, Jan Bureš
OBJECTIVE: The epidemiology of uninvestigated dyspepsia was studied in the Czech Republic for the first time in 2001. The aim of the current multicenter prospective study was to evaluate dyspepsia using the same methods in a representative sample of general unselected population from the same geographical areas 10 years later. PARTICIPANTS AND METHODS: A total of 38 147 individuals comprised the general population for a random two-step selection process. A total of 1836 participants (863 males and 973 females; aged 5-98 years) took part in the questionnaire-based study...
November 10, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29135305/choroidal-thickness-of-helicobacter-positive-patients-without-central-serous-chorioretinopathy
#14
Fatih Horozoglu, Ozkan Sever, Ekrem Celik, Rafet Mete, Ertan Sahin
PURPOSE: To evaluate the effect of Helicobacter pylori (H. pylori) infection on subfoveal choroidal thickness (SFCT) in patients without clinical central serous chorioretinopathy (CSC). MATERIALS AND METHODS: This prospective study included 50 patients with pathologically proven H. pylori infection (H. pylori (+)) and 50 patients without H. pylori infection (H. pylori (-)). All of the recruited patients were previously admitted to the Gastroenterology Department of the Namik Kemal University School of Medicine over the period of July 2014 to September 2015...
November 14, 2017: Current Eye Research
https://www.readbyqxmd.com/read/29135054/association-of-helicobacter-pylori-infection-with-toll-like-receptor-4-thr399ile-polymorphism-increased-the-risk-of-peptic-ulcer-development-in-north-of-iran
#15
Mehdi Tourani, Maryam Habibzadeh, Javad Shokri-Shirvani, Omid Teymournejad, Amrollah Mostafazadeh, Soraya Khafri, Hamid Reza Nouri
Toll-like receptor-4 (TLR4) polymorphisms may influence host immune response against Helicobacter pylori (H. pylori). This study aimed to investigate whether TLR4 polymorphisms are associated with H. pylori susceptibility and risk of peptic ulcer development or not. The TLR4 + 3725 G/C polymorphism was studied using polymerase chain reaction with confronting two-pair primers (PCR-CTPP). In addition, TLR4 Asp299Gly and Thr399Ile polymorphisms were evaluated by PCR-restriction fragment length polymorphism (RFLP)...
November 14, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/29135040/the-suppressive-effects-of-geniposide-and-genipin-on-helicobacter-pylori-infections-in-vitro-and-in-vivo
#16
Chiung-Hung Chang, Jin-Bin Wu, Jai-Sing Yang, Yen-Ju Lai, Chiu-Hsian Su, Chi-Cheng Lu, Yuan-Man Hsu
Geniposide and genipin have been found in Gardenia jasminoides Ellis, a traditional Chinese medicine that exhibits multiple biological functions. However, no report showing the effects of geniposide and genipin on gastric protection in Helicobacter pylori infections in vitro and in vivo has been done. In this study, we clarified how geniposide and genipin suppress H. pylori-mediated inflammation in gastric AGS cells and C57BL/6 mice. Our results demonstrated that genipin shows a strong ability to inhibit H...
November 14, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/29133866/gastric-microbiome-of-indian-patients-with-helicobacter-pylori-infection-and-their-interaction-networks
#17
Anubhav Das, Verima Pereira, Shruti Saxena, Tarini Shankar Ghosh, D Anbumani, Satyabrata Bag, Bhabatosh Das, G Balakrish Nair, Philip Abraham, Sharmila S Mande
The gastric microbiome is suspected to have a role in the causation of diseases by Helicobacter pylori. Reports on their relative abundance vis-à-vis H. pylori are available from various ethnic and geographic groups, but little is known about their interaction patterns. Endoscopic mucosal biopsy samples from the gastric antrum and corpus of 39 patients with suspected H. pylori infection were collected and microbiomes were analyzed by 16S rDNA profiling. Four groups of samples were identified, which harbored Helicobacter as well as a diverse group of bacteria including Lactobacillus, Halomonas and Prevotella...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29133755/analysis-of-the-relationship-between-helicobacter-pylori-infection-and-diabetic-gastroparesis
#18
Ju Huang
BACKGROUND: Whether Helicobacter pylori infection is associated with diabetic gastroparesis (DGP) is unclear. This study aimed to investigate the potential correlation between H. pylori infection and DGP. METHODS: In this study, 163 patients with type 2 diabetes mellitus and 175 nondiabetic patients who were treated in our department were divided into DGP, simple diabetes, non-DGP (NDG), and normal groups based on their conditions. The H. pylori infection rate in each group was calculated...
November 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/29133389/selective-killing-of-helicobacter-pylori-with-ph-responsive-helix-coil-conformation-transitionable-antimicrobial-polypeptides
#19
Menghua Xiong, Yan Bao, Xin Xu, Hua Wang, Zhiyuan Han, Zhiyu Wang, Yeqing Liu, Songyin Huang, Ziyuan Song, Jinjing Chen, Richard M Peek, Lichen Yin, Lin-Feng Chen, Jianjun Cheng
Current clinical treatment of Helicobacter pylori infection, the main etiological factor in the development of gastritis, gastric ulcers, and gastric carcinoma, requires a combination of at least two antibiotics and one proton pump inhibitor. However, such triple therapy suffers from progressively decreased therapeutic efficacy due to the drug resistance and undesired killing of the commensal bacteria due to poor selectivity. Here, we report the development of antimicrobial polypeptide-based monotherapy, which can specifically kill H...
November 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29132551/vonoprazan-treatment-improves-gastrointestinal-symptoms-in-patients-with-gastroesophageal-reflux-disease
#20
Satoshi Shinozaki, Hiroyuki Osawa, Yoshikazu Hayashi, Hirotsugu Sakamoto, Yoshimasa Miura, Alan Kawarai Lefor, Hironori Yamamoto
The effects of vonoprazan, a new potassium-competitive acid blocker, on gastroesophageal reflux disease (GERD) symptom are not fully elucidated. The aim of this study is to determine the effect of vonoprazan on GERD and associated gastrointestinal symptoms. We retrospectively reviewed 88 Helicobacter pylori negative patients with GERD treated with vonoprazan 10 mg daily. Symptoms were evaluated using the Izumo scale, which reflects quality of life related to various abdominal symptoms. The rates of improvement and resolution of GERD symptoms were 86% (76/88) and 57% (50/88), respectively...
December 2017: Kaohsiung Journal of Medical Sciences
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