نتایج جستجو برای: bacterial barrier
تعداد نتایج: 291925 فیلتر نتایج به سال:
Invasion of the central nervous system (CNS) by microorganisms is a severe and frequently fatal event during the course of many infectious diseases. It may lead to deafness, blindness, cerebral palsy, hydrocephalus, cognitive impairment or permanent neurological dysfunction in survivors. Pathogens can cross the blood-brain barrier by transcellular migration, paracellular migration and in infect...
The postnatal maturation of the gut, partially modulated by bacterial colonization, ends up in the establishment of an efficient barrier to luminal antigens and bacteria. The use of broad-spectrum antibiotics in pediatric practices alters the gut bacterial colonization and, consequently, may impair the maturation of the gut barrier function. To test this hypothesis, suckling Sprague-Dawley rats...
Many efficient interior-point methods (IPMs) are based on the use of a self-concordant barrier function for the domain of the problem that has to be solved. Recently, a wide class of new barrier functions has been introduced in which the functions are not self-concordant, but despite this fact give rise to efficient IPMs. Here, we introduce the notion of locally self-concordant barrier functio...
The present study was carried out to test the colonic mucosal response of rats to oral supplementation with Lactobacillus fermentum BGHI14 and to correlate the tissue reaction to trinitrobenzenesulfonate (TNBS)-induced colitis with mucosal barrier alterations caused by bacterial ingestion. An immune cell-mediated reaction of healthy colonic tissue was noticed after bacterial feeding. After prol...
Introduction In 1947 Reuling & Cramer reported that intrathecal penicillin could cause convulsions, but as penicillin crosses the blood-brain barrier with difficulty, convulsions are not expected with intramuscular or intravenous administration. In recent years, however, penicillin has been given in large amounts intravenously for the treatment of certain bacterial infections and neurotoxicity ...
The tight junctions of the cerebral capillary endothelium form the highly restrictive blood-brain barrier. Migration of leukocytes across this unique barrier may involve ligation of elements in addition to those of the fenestrated capillaries of the peripheral vascular system. An antibody raised against a bacterial adhesive protein and shown to have cross-reactivity with brain capillaries and t...
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