نتایج جستجو برای: hpaa
تعداد نتایج: 95 فیلتر نتایج به سال:
BACKGROUND Helicobacter pylori infection that is usually acquired in childhood and lasts for lifetime is mostly asymptomatic but associated with severe gastrointestinal disease including cancer. During chronic infection, the gastric mucosa is histologically changing. This forces H. pylori to permanent adaptation in its gastric habitat by expression of different proteins which might be reflected...
BACKGROUND Helicobacter pylori is the leading risk factor for gastric cancer, yet only a fraction of infected individuals ever develop neoplasia. METHODS To identify potential predictive biomarkers, we assessed the association of 15 antibodies to H. pylori proteins and gastric cancer in a nested case-control study. Blood levels of antibodies were assessed using multiplex serology for 226 inci...
BACKGROUND Patients with pituitary adenomas usually receive "stress dose" steroids in the peri-operative peroids. Though randomized controlled trials(RCT) have not been performed to assess the necessity of steroid coverage, there are several studies that explained the changes of adrenal function during peri-operative peroids. The aim of the present study is to investigate whether it is necessar...
Many bacterial genomes are highly variable but nonetheless are typically published as a single assembled genome. Experiments tracking bacterial genome evolution have not looked at the variation present at a given point in time. Here, we analyzed the mouse-passaged Helicobacter pylori strain SS1 and its parent PMSS1 to assess intra- and intergenomic variability. Using high sequence coverage dept...
Coumarin-induced mouse Clara cell toxicity is thought to result from the local formation of coumarin 3,4-epoxide (CE). However, this toxicity is not observed in the rat, indicating species differences in coumarin metabolism. The purpose of the present work was to characterize the in vitro kinetics of coumarin metabolism in mouse, rat, and human whole lung microsomes, and to determine whether sp...
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