نتایج جستجو برای: anti helicobacter pylori activity

تعداد نتایج: 1443155  

Journal: :The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology 2012
Ebru Demıray Gürbüz Can Gönen Neslihan Bekmen Devrim Dölek Müjde Soytürk Özgül Sağol İlkay Şimşek Özlem Yılmaz

BACKGROUND/AIMS There is increasing interest in noninvasive tests for the assessment of Helicobacter pylori infection, and urine-based tests have been widely used as noninvasive tests to detect Helicobacter pylori infection. The aim of this study was to evaluate the adaptation and usefulness of urine antibody enzyme-linked immunosorbent assay and urine card tests in the clinical setting to dete...

Journal: :Hepato-gastroenterology 2001
Y H Hsieh H J Lin G Y Tseng C L Perng F Y Chang S D Lee

BACKGROUND/AIMS One-week triple therapy has been recommended as a standard regimen for eradicating Helicobacter pylori infection. The emergence of antibiotic-resistant strains, adverse drug effects, poor compliance and high cost of therapy add problems to the management of these patients. In this study, we assessed whether a 3-day triple therapy could be effective in eradicating Helicobacter py...

Nitro-containing heteroaromatic derivatives structurally related to nitroimidazole (Metronidazole) are being extensively evaluated against Helicobacter pylori isolates. On the other hand, 1,3,4-thiadiazole derivatives have also demonstrated promising antibacterial potential. In present study, we evaluated anti-H. pylori activity of novel hybrid molecules bearing nitroaryl and 1,3,4-thiadiazole ...

2017
Jun-Won Chung Su Young Kim Hee Jung Park Chang Su Chung Hee Woo Lee Sun Mi Lee Inki Kim Jhang Ho Pak Gin Hyug Lee Jin-Yong Jeong

Background/Aims The increased resistance of Helicobacter pylori to antibiotics has increased the need to develop new treatments for this bacterium. The aim of our study was to identify new drugs with anti-H. pylori activity. Methods We screened a small molecule library-the library of pharmacologically active compounds (LOPAC), which includes 1,280 pharmacologically active compounds-to identif...

Journal: :In vivo 2007
Masami Kawase Toru Tanaka Hiroyuki Kan Satoru Tani Hideki Nakashima Hiroshi Sakagami

Several 3-formylchromone derivatives were examined for their tumor cell-cytotoxic, anti-Helicobacter pylori, urease inhibitory and anti-HIV activity. Comparing their relative cytotoxicity against four human tumor cell lines and three normal human cells, tumor cell-specific cytotoxicity was detected in some 3-formylchromone derivatives. There was no clear-cut relationship between the cytotoxicit...

2012
Mohammed Ibrahim

Helicobacter pylori is a class 1 carcinogen that requires targeted therapeutic strategy. A number of drugs including proton pump inhibitors, antibiotics and antiprotozoals are available for the treatment of Helicobacter pylori infections like chronic gastric irritation, gastro duodenal ulcers and low grade gastric mucosa associated lymphoid tissue lymphoma. Clinical evaluation of these drugs ha...

Objective(s):Helicobacter pylori infection occurs worldwide, but the prevalence of this infection varies greatly among different countries and population groups. The aim of this study was to determine the seroprevalence of anti-Helicobacter pylori and anti-cytotoxin-associated gene A (CagA) antibodies in asymptomatic healthy population in the center of Iran and to investigate the relation with ...

Journal: :iranian journal of pharmaceutical research 0
najmeh edraki 1- department of medicinal chemistry, faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical sciences, tehran, ir iran. 2- medicinal and natural products chemistry research center, shiraz university of medical sciences, shiraz 71345, ir iran. maryam nakhjiri department of medicinal chemistry, faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical sciences, tehran, ir iran. azadeh yahya-meymandi department of medicinal chemistry, faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical sciences, tehran, ir iran. eskandar alipour department of chemistry, north tehran branch, islamic azad university, tehran, ir iran. parastoo saniee department of microbiology, faculty of sciences, university of tehran, ir iran. farideh siavoshi department of microbiology, faculty of sciences, university of tehran, ir iran.

nitro-containing heteroaromatic derivatives structurally related to nitroimidazole (metronidazole) are being extensively evaluated against helicobacter pylori isolates. on the other hand, 1,3,4-thiadiazole derivatives have also demonstrated promising antibacterial potential. in present study, we evaluated anti-h. pylori activity of novel hybrid molecules bearing nitroaryl and 1,3,4-thiadiazole ...

Abdulah Bazargani Ali-Reza Taghavi Eskandar Kamali-Sarvestani, Hadi Farsiani Kamran Lankarani Mehdi Saberifiroozi Michel Shamoon Pour

Background: Polymorphisms in the immune related genes are important in the clinical outcome of Helicobacter pylori infection. Myeloperoxidase -463 G/A polymorphism has been shown to reduce enzyme expression and activity. Objective: the aim of the present study is to investigate the association of myeloperoxidase G-463A polymor-phism with clinical outcome of Helicobacter pylori infection. Method...

Background and objective: Helicobacter pylori infection is one of the most common chronic bacterial infections in the world, especially in the developing countries. This bacterium is the cause of many diseases such as lymphoma, gastritis, peptic ulcers, and stomach cancer. According to recent reports, H. pylori infection can potentially increase the risk of colon cancer. The cu...

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