نتایج جستجو برای: helicobacter pylori

تعداد نتایج: 24767  

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...

Journal: :گوارش 0
mahvash alizadeh naeeni mahdi saberi firoozi abdolhosein pourkhajeh hasan taheri reza malekzadeh mohammad hosein derakhshan

effect of helicobacter pylori eradication or of ranitidine plus metoclopramide on helicobacter pylori-positive and of bismuth or ranitidine plus metoclopramide on helicobacter pylori-negative functional dyspepsia. a  randomized, controlled follow-up study.

Doosti , Abbas, Ghorbani-Dalini , Sadegh, Kargar , Mohammad, Souod , Negar,

Background & Objective: Helicobacter pylori is a bacterium responsible for one of the most prevalent infections found in humans worldwide. Considering the importance of this infection and its different prevalence in different regions of Iran, this study was conducted to determine the prevalence of Helicobacter pylori in Chahar Mahal and Bakhtiari as a high-risk province.   Materials & Methods :...

Journal: :iranian red crescent medical journal 0
negar souod young researchers and elite club, jahrom branch, islamic azad university, jahrom, ir iran; young researchers and elite club, jahrom branch,islamic azad university, jahrom, ir iran tel: +98-3813361045, fax: +98-3813361064 mohammad kargar department of microbiology, jahrom branch, islamic azad university, jahrom, ir iran abbas doosti department of biotechnology, shahrekord branch, islamic azad university, shahrekord, ir iran reza ranjbar molecular biology research center, baqiyatallah university of medical sciences, tehran, ir iran

conclusions we found considerable relationship between s1a/m1a, s1a/m2, s2/m2 and s1c/m1a and some gastric disorders. further studies about the role of h. pylori virulence factors and gastric disorders were recommended. results the frequency of the vaca genotypes, sa1/m1, s1a/m1b, s1a/m2, s1b/m1a, s1b/m1b, s1b/m2, s1c/m1a, s1c/m1b, s1c/m2, s2/m1a, s2/m1b and s2/m2 were 27(6.6%), 8(4.3%), 45(28....

ژورنال: Medical Laboratory Journal 2011
Halakou A, , Khormali M, , Yamrali A, , Zandi T M, ,

Abstract Background and objectives: Helicobacter pylori is a Gram- negative bacteria causing diseases such as peptic ulcer and gastric cancer. In this research ,we determined the level of three types of antibody IgG, IgM and IgA in ordinary people of Izeh. Material and Methods: After collecting blood samples from 263 cases, the serum were obtaind and using the ELISA method the amount of IgG, Ig...

علمدار, صدیقه, هاشمی, فروغ ,

Helicobacter pylori is motile curved shaped gram negative and microaerophilic bacilli that positive for catalase. Oxidase and urease. Fordetection of helicobacter pylori, there are different diagnostic methods with different sensivity and specifity. The best method is histological examination and search for helicobacter pylori in the specimens by specific staining. In papers be said pro...

Journal: :The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology 2012
Elmas Kasap Semin Ayhan Hakan Yüceyar

BACKGROUND/AIMS Globus hystericus is a feeling of tension in the throat, irrelevant of swallowing, persisting for at least 12 weeks. Since the cause of globus hystericus is not fully described, the treatment is controversial. We aimed in this study to determine the symptoms of gastroesophageal reflux disease, upper gastrointestinal endoscopic findings, prevalence of Helicobacter pylori,and post...

2013
Di Zhou Wen-bin Guan Jian-dong Wang Yong Zhang Wei Gong Zhi-wei Quan

BACKGROUND Helicobacter pylori has been isolated from 10%-20% of human chronic cholecystitis specimens but the characteristics of "Helicobacter pylori positive cholecystitis" remains unclear. This study aims to compare the clinicopathological features between chronic cholecystitis patients with and without Helicobacter pylori infection in gallbladder mucosa. METHODS Three hundred and twenty-s...

Journal: :Arquivos de gastroenterologia 2015
Juan Lasa Ignacio Zubiaurre Guillermo Dima Daniel Peralta Luis Soifer

BACKGROUND Some previously published studies have suggested an inverse relationship between celiac disease and Helicobacter pylori, raising the possibility of the protective role Helicobacter pylori could have against celiac disease development. Nevertheless, this association is inconclusive. OBJECTIVES To determine the prevalence of Helicobacter pylori infection in celiac subjects. METHODS...

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