نتایج جستجو برای: baba2
تعداد نتایج: 92 فیلتر نتایج به سال:
Gastric epithelial cells were incubated with a panel of clinical isolates of Helicobacter pylori, including nonulcer dyspepsia with gastritis (HS, n = 20), gastric ulcer (HU, n = 20), duodenal ulcer (HD, n = 21), and gastric cancer (HC, n = 20). HC strains induced a higher cyclooxygenase-2 (COX-2) expression than those from HS, HD, and HU. The bacterial virulence factors and the host cellular p...
Background: Gastritis results from multifactorial gastric mucosal injury. Helicobacter pylori (Hp) is the main cause, and associated diseases have typical underlying patterns of gastritis. Gastric ulcer and gastric cancer (GC) develop from chronic atrophic corpus gastritis (CAG) which therefore represents the most important pattern. GC incidences in East Asia are substantially higher than elsew...
Helicobacter pylori (H. pylori) infection has been reported in more than half of the world human population. It is associated with gastric inflammation and noticeable infiltration of the immune cells to the stomach mucosa by several cytokines secretion. IL-1&beta, IL-18 have been shown to contribute to H. pylori induced gastritis, but the details of inflammation and association of virulence fac...
helicobacter pylori (h. pylori) infection has been reported in more than half of the world human population. it is associated with gastric inflammation and noticeable infiltration of the immune cells to the stomach mucosa by several cytokines secretion. il-1β, il-18 have been shown to contribute to h. pylori induced gastritis, but the details of inflammation and association of virulence factors...
سویه¬های بیماری¬زای هلیکوباکتر پیلوری حامل لوکوس cagpai کد کننده ساختار پیلوس سرنگ مانند به نام سیستم ترشحی تیپ چهار می¬باشند که با التهاب شدید اپیتلیوم معده مرتبط است. پروتئین حفاظت شده cagl بر روی نوک ساختار پیلوس سیستم ترشحی تیپ چهار قرار دارد و حاوی موتیف آرژنین-گلایسین-آسپارتات (rgd) است که جهت اتصال به گیرنده اینتگرین α5β1 برای انتقال caga از ورای غشا سلولی میزبان ضروری می¬باشد. امروزه ان...
H elicobacter pylori is one of the commonest bacterial pathogens in humans, infecting between 80%–90% of the population in developing countries and between 30%–50% in developed countries (1). Although it was isolated in 1982, it is considered to be part of the natural human flora since time immemorial (2) and probably an historical equilibrium between the bacteria and the host has existed. H. p...
B acterial, environmental, population related, and individual host factors are major determinants of the outcome of H pylori infection. 2 Many bacterial virulence genes— including the pathogenicity island cagA, the s1m1 vacA alleles, babA2, sabA, and oipA—have been associated with a higher degree of gastric mucosal inflammation, intestinal metaplasia, gastric or duodenal ulcer, gastric adenocar...
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