نتایج جستجو برای: reactive inhibition antibodies
تعداد نتایج: 615770 فیلتر نتایج به سال:
conclusions adsorption of antibodies to bap might interfere with bacterial adhesion to the surface. these antibodies were found to be potent biofilm inhibitors. results injection of bap subunit resulted in high titers of antibody. immunized mice serum had significant (p< 0.001) inhibitory effect on biofilm formation. in vitro inhibition of biofilm formation by a. baumannii was studied at 1:50 c...
In an effort to understand the unusual cytogenetic damage earlier encountered in the Yanomama Indians, plasma samples from 425 Amerindians representing 14 tribes have been tested for hemagglutination inhibition antibodies to the human JC polyoma virus and from 369 Amerinds from 13 tribes for hemagglutination inhibition antibodies to the human BK polyoma virus. There is for both viruses highly s...
Infection with Plasmodium can elicit antibodies that inhibit parasite survival in the mosquito, when they are ingested in an infectious blood meal. Here, we determine the transmission-reducing activity (TRA) of naturally acquired antibodies from 648 malaria-exposed individuals using lab-based mosquito-feeding assays. Transmission inhibition is significantly associated with antibody responses to...
OBJECTIVE Endothelial progenitor cells (EPC) are committed to transform into EC promoting vasculogenic ischemic repair. Anti-endothelial cells (AECA) have been described in various disorders with an associated vascular damage. Herein, we explored a novel circulating population of IgG reactive with EPC, in patients with differential risk profile for atherosclerotic vascular disease. APPROACH A...
We performed radioimmunoprecipitation assays in which iodinated preparations of A/Port Chalmers/73 (A/PC/73) hemagglutinin were used as the test antigens and high concentrations of unlabeled A/Hong Kong/68 viral protein were used to inhibit the binding of cross-reactive antibodies to quantitate strain-specific antibody responses in postvaccination sera. Strain-specific antibodies comprised 8 to...
BACKGROUND Atopic dermatitis (AD) is a complex disease caused by genetic and environmental interactions. AD impairs skin barrier function, enabling microorganisms to penetrate and interact with the immune system. OBJECTIVES This study aimed to investigate the presence of specific immunoglobulin (Ig) E antibodies to the yeast species Candida pelliculosa, Candida guilliermondii, Candida famata,...
Immuization of A/J mice with a KLH-p-azophenylarsonate conjugate induces the formation of antihapten antibodies, some of which share idiotypic specificity common to all recipients. The subpopulation carrying the idiotype generally comprises 20-70% of the total antibody content. Large quantities of antihapten antibody (occasionally over 100 mg) were obtained from individual mice through the indu...
Type 1 lipoteichoic acid (LTA) is present in many clinically important gram-positive bacteria, including enterococci, streptococci, and staphylococci, and antibodies against LTA have been shown to opsonize nonencapsulated Enterococcus faecalis strains. In the present study, we show that antibodies against E. faecalis LTA also bind to type 1 LTA from other gram-positive species and opsonized Sta...
Protease nexin-1 (PN-1) belongs to the serpin family and is an inhibitor of thrombin, plasmin, urokinase-type plasminogen activator, and matriptase. Recent studies have suggested PN-1 to play important roles in vascular-, neuro-, and tumour-biology. The serpin inhibitory mechanism consists of the serpin presenting its so-called reactive centre loop as a substrate to its target protease, resulti...
Cross-reactive carbohydrate determinants of plants are essentially a mixture of N-glycans containing beta1,2-xylose and core alpha1,3-fucose, the latter also found in insect glycoproteins. To determine the relative contributions of these two sugar residues to antibody binding, we prepared an array of glycomodified forms of human apo-transferrin. Using core-alpha1, 3-fucosyltransferase (EC 2.4.1...
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