نتایج جستجو برای: helicobacter pylor

تعداد نتایج: 23189  

Journal: :iranian journal of pediatric hematology and oncology 0
sh gheibi maternal and childhood obesity research center, urmia university of medical sciences, urmia, iran. m noroozi .maternal and childhood obesity research center, urmia university of medical sciences, urmia, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ارومیه (urmia university of medical sciences) s hejazi department of pediatric. urmia university of medical sciences, urmia, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ارومیه (urmia university of medical sciences) m karamyyar maternal and childhood obesity research center, urmia university of medical sciences, urmia, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ارومیه (urmia university of medical sciences) h farrokh-eslamlou urmia reproductive health research center, school of public health, urmia university of medical sciences, kashani street

abstract background iron-deficiency anemia is a widespread public health problem with major consequences for human health especially, children. however, in a fraction of patients an underlying cause is never found during routine investigation. recent studies have suggested an association between helicobacter pylori (h. pylori) infection and iron-deficiency anemia. case presentation here is repo...

Journal: : 2021

Abstract It is well established that human body an ecosystem for numerous microorganisms: bacteria, fungi, eukaryotic parasites, and viruses. They form a “microbiome” under conditions of homeostasis remains in friendly mutual relationship with the host. However, composition diversity this microbe community dynamic can be changed influence environmental factors, such as diet, antibiotic therapy,...

2003
Uwe E. H. Mai Guillermo I. Perez-Perez Janice B. Allen Sharon M. Wahl Martin J. Blaser Phillip D. Smith

Stlmnltary The mechanism by which Helicobacter eylori, a noninvasive bacterium, initiates chronic antral gastritis in humans is unknown. We now show that H. Fflori rdeases products with chemotactic activity for monocytes and neutrophils. This chemotactic activity was inhibited by antisera to either H. ~lori whole bacteria or H. pylor/-derived urease. Moreover, surface proteins extracted from H....

Journal: : 2023

Introduction . The high frequency of complicated forms the stomach and duodenum peptic ulcer (PU) in patients with atherosclerosis requires study additional factors ulcerogenesis addition to infection Helicobacter pylori ( H. pylor i) use non-steroidal anti-inflammatory drugs (NSAIDs). Currently, there is no clear understanding role mesenteric artery (MA) development gastroduodenal ulcers. purp...

2012
Mohammed Ali M. Marie

Helicobacter pylori has been strongly associated with gastritis, gastric and duodenal ulcers, and it is a risk factor for gastric cancer. Two major virulence factors of H. pylori have been described: the cytotoxin-associated gene product (cagA) and the vacuolating toxin (vacA). Since considerable geographic diversity in the prevalence of H. pylori virulence factors has been reported, the aim of...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم پایه 1393

چکیده باکتریhelicobacter pylori دارای خانواده ای از پروتئین های غشاء خارجی شامل 32 عضو است. چسبیدن با واسطه برخی از این پروتئین های غشاء خارجی سبب القای تولید اینترلوکین-8 می گردند. یکی از این پروتئین های غشاء خارجی، 33 -35 کیلو دالتون بوده و توسط ژن پروتئین التهابی غشائ خارجیa (oipa) بیان میگردد، که نقش مهمی را در بیماری زایی helicobacter pylori ایفا می نماید. .هدف ما از این مطالعه جداسازی و...

Background and Aim: Gastrointestinal disease is one of the most common infectious diseases in the world. One of the most important causes is Helicobacter pylori infection. Considering the importance of this bacterium and its different prevalence in different parts of the country, this study was conducted to determine the prevalence of Helicobacter pylori infection and its related factors in 9-1...

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