نتایج جستجو برای: bacterial barrier
تعداد نتایج: 291925 فیلتر نتایج به سال:
PURPOSE OF REVIEW This article evaluates the current status of the gut barrier in gastrointestinal disorders. RECENT FINDINGS The gut barrier is a complex, multicomponent, interactive, and bidirectional entity that includes, but is not restricted to, the epithelial cell layer. Intestinal permeability, the phenomenon most readily and commonly studied, reflects just one (albeit an important one...
Gram-positive pili are known to play a role in bacterial adhesion to epithelial cells and in the formation of biofilm microbial communities. In the present study we undertook the functional characterization of the pilus ancillary protein 1 (AP1_M6) from Streptococcus pyogenes isolates expressing the FCT-1 pilus variant, known to be strong biofilm formers. Cell binding and biofilm formation assa...
Wound Healing Skin disorders or injuries can weaken its barrier function, making a wound vulnerable to bacterial infection. Bacteria secrete proteases that disrupt the integrity, delaying healing. In article 2202472, Robert Deller, Man Li, Rachel Williams, Raechelle D'Sa, and colleagues describe potential of nitric oxide-releasing peptide hydrogels prevent loss function from secreted in order i...
Objective(s): Occludin is essential for proper assembly of tight junctions (TJs) which regulate paracellular endothelial permeability. Omega-3 polyunsaturated fatty acids (Ω-3 PUFA) protect endothelial barrier function against injury. Materials and Methods: We examined anti-inflammatory effect of Ω-3 PUFA intake (30 mg/kg/day for 10 days) on expression and location of occludin in the aorta of ...
OBJECTIVE To assess the role of foot dermatomycosis (tinea pedis and onychomycosis) and other candidate risk factors in the development of acute bacterial cellulitis of the leg. METHODS A case-control study, including 243 patients (cases) with acute bacterial cellulitis of the leg and 467 controls, 2 per case, individually matched for gender, age (+/-5 years), hospital and admission date (+/-...
Acidic pH of stomach, which is a normal physiological barrier against bacterial overgrowth, would increase by stress ulcer prophylaxis initiation and may lead to bacterial colonization and play as a source for infection transmission to the respiratory system which results in ventilator related pneumonia in patients admitted to the Intensive Care Units (ICUs). Therefore, finding methods to ...
acidic ph of stomach, which is a normal physiological barrier against bacterial overgrowth, would increase by stress ulcer prophylaxis initiation and may lead to bacterial colonization and play as a source for infection transmission to the respiratory system which results in ventilator related pneumonia in patients admitted to the intensive care units (icus). therefore, finding methods to decre...
Background and aims Collagenous colitis (CC) is a diarrheal disorder with an incidence rate of 5-6/100000 inhabitants, affecting mainly middle-aged women. The diagnosis is made by histology of the colonic mucosa. Classical findings are a thickened subepithelial collagenous layer and chronic inflammation in the lamina propria. In inflammatory bowel disease (IBD) the mucosal barrier function is i...
background: acute bacterial meningitis is among serious infections of the central nervous system (cns). the early diagnosis and empiric antibiotic treatments have led to a reduction in morbidity and mortality rates. pcr and the enzymatic digestion of 16s rdna fragment following the pcr by universal primers led up fast and sensitive determination. the aims of the present study was to improve our...
Probiotic therapy modulates the composition of the intestinal flora and inhibits the inflammatory response. These properties may be of benefit in the preservation of gut barrier integrity after injury or stress. In this study, we examined the effect of two Lactobacillus strains selected for their pathogen exclusion properties on intestinal barrier integrity following hemorrhagic shock. Addition...
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