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https://www.readbyqxmd.com/read/28531095/synthesis-of-1-2-3-triazolo-4-5-h-quinolone-derivatives-with-novel-anti-microbial-properties-against-metronidazole-resistant-helicobacter-pylori
#1
Mohammad Abu-Sini, Amal Mayyas, Nehaya Al-Karablieh, Rula Darwish, Yusuf Al-Hiari, Talal Aburjai, Shereen Arabiyat, Luay Abu-Qatouseh
Helicobacter pylori infection can lead to gastritis, peptic ulcer, and the development of mucosa associated lymphoid tissue (MALT) lymphoma. Treatment and eradication of H. pylori infection can prevent relapse and accelerate the healing of gastric and duodenal ulcers as well as regression of malignancy. Due to the increasing emergence of antibiotic resistance among clinical isolates of H. pylori, alternative approaches using newly discovered antimicrobial agents in combination with the standard antibiotic regimens for the treatment of H...
May 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28530108/twelve-day-quintuple-regime-containing-four-antibiotics-as-a-rescue-therapy-for-helicobacter-pylori-eradication-in-the-central-region-of-portugal
#2
Diogo Branquinho, Nuno Miguel Peres de Almeida, Carlos Gregório, Adriano Casela, Maria Manuel Donato, Luís Tomé
BACKGROUND: Helicobacter pylori eradication rates with standard triple therapy in many countries are clinically unacceptable. Fluoroquinolone resistance is increasing and jeopardizing second-line regimens. There is a growing need for an effective strategy in patients who failed previous therapies. METHODS: This is a single-center, non-randomized clinical study conducted in the central region of Portugal. Sixty-four patients were included with a positive 13C-urea breath test (UBT) or histology for H...
May 22, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28529929/novel-and-effective-therapeutic-regimens-for-helicobacter-pylori-in-an-era-of-increasing-antibiotic-resistance
#3
REVIEW
Yi Hu, Yin Zhu, Nong-Hua Lu
Helicobacter pylori (H. pylori) is a common gastrointestinal bacterial strain closely associated with the incidence of chronic gastritis, peptic ulcers, gastric mucosa-associated lymphoid tissue lymphoma, and gastric cancer. A current research and clinical challenge is the increased rate of antibiotic resistance in H. pylori, which has led to a decreased H. pylori eradication rate. In this article, we review recent H. pylori infection and reinfection rates and H. pylori resistance to antibiotics, and we discuss the pertinent treatments...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28522905/strategies-used-by-helicobacter-pylori-to-establish-persistent-infection
#4
REVIEW
Amin Talebi Bezmin Abadi
Helicobacter pylori (H. pylori) is a Gram-negative and motile bacterium that colonizes the hostile microniche of the human stomach, then persists for the host's entire life, if not effectively treated. Clinically, H. pylori plays a causative role in the development of a wide spectrum of diseases including chronic active gastritis, peptic ulceration, gastric adenocarcinoma, and gastric mucosa-associated lymphoid tissue lymphoma. Due to the global distribution of H. pylori, it is no exaggeration to conclude that smart strategies are contributing to adaptation of the bacterium to its permanent host...
April 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28516058/comparison-of-amoxicillin-and-metronidazole-effect-on-three-drug-regimen-for-the-treatment-of-helicobacter-pylori-infection-in-children
#5
Karam-Ali Kasiri, Abolfazl Khoshdel, Afshin Karimi, Morteza Sedehi, Niloufar Kasiri
Helicobacter pylori is an important risk factor for chronic gastritis, peptic ulcer, and gastric cancer. Three-drug regimen is the first-line treatment for this infection, but the response rate to treatment varies in different geographical regions. This study was conducted to comparatively determine the effect of amoxicillin and metronidazole on three-drug regimen to treat H. pylori infection in 1-15-year-old children. This clinical trial was conducted on 82 patients aged 1-15 years with convenience sampling referring to the Endoscopy Unit of Hajar Hospital, Shahrekord...
April 2017: Journal of Advanced Pharmaceutical Technology & Research
https://www.readbyqxmd.com/read/28513226/application-of-proteomics-to-the-study-of-helicobacter-pylori-and-implications-for-the-clinic
#6
Giulia Bernardini, Natale Figura, Antonio Ponzetto, Barbara Marzocchi, Annalisa Santucci
Helicobacter pylori (H. pylori) is a gram-negative bacterium that colonizes the gastric epithelium and mucous layer of more than half the world's population. H. pylori is a primary human pathogen, responsible for the development of chronic gastritis, peptic ulceration and gastric cancer. Proteomics is impacting several aspects of medical research: understanding the molecular basis of infection and disease manifestation, identification of therapeutic targets and discovery of clinically relevant biomarkers. Areas covered: The main aim of the present review is to provide a comprehensive overview of the contribution of proteomics to the study of H...
May 17, 2017: Expert Review of Proteomics
https://www.readbyqxmd.com/read/28512370/occupational-contact-allergy-to-omeprazole-and-ranitidine
#7
Inmaculada Herrera-Mozo, Pere Sanz-Gallen, Gabriel Martí-Amengual
Omeprazole is a proton pump inhibition and ranitidine is an H2 histamine receptor antagonist widely used in the treatment of gastroesophageal reflex disease, peptic ulcer disease, Zollinger-Ellison syndrome and as a protector of the gastric mucosae. We report a case of occupational contact allergy to omeprazole and ranitidine. A 48-year-old man, with no pre-existing history of atopy or lifestyle factors. He neither had any medical history of consumption of drugs such as ranitidine and omeprazole. He worked for 19 months in the pharmaceutical company that manufactured ranitidine base...
May 16, 2017: Medycyna Pracy
https://www.readbyqxmd.com/read/28507835/endoscopic-view-of-gastroduodenal-artery-coils-at-the-base-of-duodenal-ulcer-in-case-of-recurrent-massive-upper-gastrointestinal-bleed
#8
Rawaa Ebrahem, Salam Kadhem, John W Frey, William Salyers
Helicobacter pylori (H. pylori) infection is one of the major causes of bleeding peptic ulcer disease, which is associated with serious complications; therefore, the eradication of H. pylori is essential to prevent these devastating complications. Post-treatment follow-up is crucial to guarantee the eradication of the organism and may be conducted via the urea breath test, the stool antigen test, or a gastric biopsy. Acute massive upper gastrointestinal (UGI) bleeding is one of the most common complications of peptic ulcer disease...
April 13, 2017: Curēus
https://www.readbyqxmd.com/read/28507005/perspective-what-makes-it-so-difficult-to-mitigate-worldwide-anemia-prevalence
#9
Klaus Schümann, Noel W Solomons
Anemia can be related to decreased production or increased loss of erythrocytes, or both, leading to many underlying and often overlapping causes. A largely cereal-based diet with plenty of phytates, polyphenols, and other ligands that inhibit intestinal iron absorption predominated in preindustrial Europe and predominates in present-day developing countries alike. In both situations, we find poor hygienic conditions, which frequently lead to anemia of inflammation. The large number of possible causes and their interaction shows why it is so difficult to mitigate anemia prevalence...
May 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28506203/optimization-of-microemulsion-based-transdermal-gel-of-triamcinolone
#10
Bhagyashree Chaudhari, Swati Jagdale
BACKGROUND: Triamcinolone is a long acting corticosteroid used in the treatment of arthritis, eczema, psoriasis and similar conditions which causes inflammation. Triamcinolone has half-life of 88 minutes. Prolonged oral use is associated with gastrointestinal adverse effects as peptic ulcer, abdominal distention and ulcerative esophagitis. Microemulgel offers advantage of better stability, better loading capacity and controlled release especially for drug with short half life. OBJECTIVE: Objective of the present study was to optimize microemulgel based transdermal delivery of triamcinolone...
April 25, 2017: Recent Patents on Anti-infective Drug Discovery
https://www.readbyqxmd.com/read/28503971/mental-vulnerability-helicobacter-pylori-and-incidence-of-hospital-diagnosed-peptic-ulcer-over-28-years-in-a-population-based-cohort
#11
Susan Levenstein, Rikke Kart Jacobsen, Steffen Rosenstock, Torben Jørgensen
OBJECTIVE: To examine whether mental vulnerability, an enduring personality characteristic, predicts incident hospital-diagnosed ulcer over three decades. MATERIALS AND METHODS: A population-based cohort study enrolled 3365 subjects with no ulcer history, ages 30-60, in 1982-3. Mental vulnerability, Helicobacter pylori IgG antibodies, socioeconomic status, and sleep duration were determined at baseline; non-steroidal antiinflammatory drug use, smoking, leisure time physical activity, and alcohol consumption both at baseline and in 1993-4...
May 14, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28503146/statin-therapy-is-associated-with-reduced-risk-of-peptic-ulcer-disease-in-the-taiwanese-population
#12
Chun-Jung Lin, Wei-Chih Liao, Yu-An Chen, Hwai-Jeng Lin, Chun-Lung Feng, Cheng-Li Lin, Ying-Ju Lin, Min-Chuan Kao, Mei-Zi Huang, Chih-Ho Lai, Chia-Hung Kao
Although statin use may affect the severity of chronic gastritis and gastric cancer, no data exists about the relationship between statin therapy and risk of peptic ulcer disease (PUD) in patients. We investigated the effect of statin use and the incidence of PUD from the Taiwan National Health Insurance Research Database (NHIRD). A total of 35,194 patients records for medical claims were enrolled. We performed a population-based case-control analysis to compare the incidence of PUD in patients who were prescribed statins and that in patients who were not...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28503076/positive-predictive-value-of-peptic-ulcer-diagnosis-codes-in-the-danish-national-patient-registry
#13
Søren Viborg, Kirstine Kobberøe Søgaard, Peter Jepsen
BACKGROUND: Diagnoses of peptic ulcer are registered in the Danish National Patient Registry (DNPR) for administrative as well as research purposes, but it is unknown whether the coding validity depends on the location of the ulcer. OBJECTIVE: To validate the International Classification of Diseases, 10(th) revision diagnosis codes of peptic ulcer in the DNPR by estimating positive predictive values (PPVs) for gastric and duodenal ulcer diagnoses. METHODS: We identified all patients registered with a hospital discharge diagnosis of peptic ulcer from Aarhus University Hospital, Denmark, in 1995-2006...
2017: Clinical Epidemiology
https://www.readbyqxmd.com/read/28498343/anti-helicobacter-pylori-activity-of-isocoumarin-paepalantine-morphological-and-molecular-docking-analysis
#14
João Paulo L Damasceno, Ricardo P Rodrigues, Rita de Cássia R Gonçalves, Rodrigo R Kitagawa
The Helicobacterpylori bacterium is one of the main causes of chronic gastritis, peptic ulcers, and even gastric cancer. It affects an average of half of the world population. Its difficult eradication depends upon multi-drug therapy. Since its classification as a group 1 carcinogenic by International Agency for Research on Cancer (IARC), the importance of H. pylori eradication has obtained a novel meaning. There is considerable interest in alternative therapies for the eradication of H. pylori using compounds from a wide range of natural products...
May 12, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28497645/peptic-ulcer-bleeding-patients-with-rockall-scores-%C3%A2-6-are-at-risk-of-long-term-ulcer-rebleeding-a-3-5-year-prospective-longitudinal-study
#15
Er-Hsiang Yang, Hsiu-Chi Cheng, Chung-Tai Wu, Wei-Ying Chen, Meng-Ying Lin, Bor-Shyang Sheu
BACKGROUND: Patients with high Rockall scores have increased risk of rebleeding and mortality within 30 days after peptic ulcer bleeding, but long-term outcomes deserve follow-up after cessation of proton-pump inhibitors (PPIs). AIM: To validate whether patients with high Rockall scores have more recurrent ulcer bleeding in a 3.5-year longitudinal cohort. METHODS: Between August, 2011 and July, 2014, 368 patients with peptic ulcer bleeding were prospectively enrolled after endoscopic hemostasis to receive PPIs for at least 8 to 16 weeks...
May 11, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28485544/tc-325-versus-the-combined-conventional-technique-for-endoscopic-treatment-of-peptic-ulcers-with-high-risk-bleeding-stigmata-a-pilot-randomised-study
#16
Boon Eu Andrew Kwek, Tiing Leong Ang, Peng Lan Jeannie Ong, Yi Lyn Jessica Tan, Shih Wen Daphne Ang, Ngai Moh Law, Prem Harichander Thurairajah, Kwong Ming Fock
BACKGROUND: Preliminary studies on a new topical hemostatic agent TC-325 show its safety and effectiveness in the treatment of active upper GI bleeding. However, to date, there are no randomized trials comparing Hemospray with the combined conventional technique (CCT). Our pilot study aimed to compare the efficacy and safety of Hemospray with that of the CCT in treating peptic ulcers with active bleeding or high-risk stigmata. METHOD: This was a randomized comparative study of patients with upper GI bleeding symptoms and had Forrest class I, IIA or IIB ulcers...
May 9, 2017: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28484507/sulphurous-mineral-waters-new-applications-for-health
#17
REVIEW
Jose Manuel Carbajo, Francisco Maraver
Sulphurous mineral waters have been traditionally used in medical hydrology as treatment for skin, respiratory, and musculoskeletal disorders. However, driven by recent intense research efforts, topical treatments are starting to show benefits for pulmonary hypertension, arterial hypertension, atherosclerosis, ischemia-reperfusion injury, heart failure, peptic ulcer, and acute and chronic inflammatory diseases. The beneficial effects of sulphurous mineral waters, sulphurous mud, or peloids made from sulphurous mineral water have been attributed to the presence of sulphur mainly in the form of hydrogen sulphide...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28482652/posterior-perforated-peptic-ulcer-troublesome-condition-to-diagnose-and-treat
#18
Flore Varcus, Dan Goldis, Cristi Tarta
No abstract text is available yet for this article.
June 2017: Minerva Chirurgica
https://www.readbyqxmd.com/read/28478810/atractylenolide-i-stimulates-intestinal-epithelial-repair-through-polyamine-mediated-ca-2-signaling-pathway
#19
Hou-Pan Song, Xue-Qin Hou, Ru-Yi Li, Rong Yu, Xin Li, Sai-Nan Zhou, Hui-Yong Huang, Xiong Cai, Chi Zhou
BACKGROUND: An impairment of the integrity of the mucosal epithelial barrier can be observed in the course of various gastrointestinal diseases. The migration and proliferation of the intestinal epithelial (IEC-6) cells are essential repair modalities to the healing of mucosal ulcers and wounds. Atractylenolide I (AT-I), one of the major bioactive components in the rhizome of Atractylodes macrocephala Koidz. (AMR), possesses multiple pharmacological activities. This study was designed to investigate the therapeutic effects and the underlying molecular mechanisms of AT-I on gastrointestinal mucosal injury...
May 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28470874/functional-interaction-and-structural-characteristics-of-unique-components-of-helicobacter-pylori-t4ss
#20
REVIEW
Enrique Merino, Marcos Flores-Encarnación, Germán Rubén Aguilar-Gutiérrez
The Helicobacter pylori infection of the human gastric mucosa causes chronic active gastritis and peptic ulcers and is associated with the development of gastric cancer. Epidemiological studies show that these gastric diseases are related to virulent H. pylori strains that harbor the cag pathogenicity island (cag PAI). The cag PAI is a DNA insertion in the H. pylori chromosome that encodes approximately twenty-seven proteins, including the oncoprotein CagA. Approximately twenty of these proteins have been designated as cag type IV secretion system (T4SS) components...
May 4, 2017: FEBS Journal
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