نتایج جستجو برای: ovalbumin
تعداد نتایج: 5064 فیلتر نتایج به سال:
Capsaicin, substance P, and ovalbumin, instilled into the bladders of naive and ovalbumin (OVA) sensitized guineapigs caused inflammation, as indicated by increased vascular permeability. Histological changes after exposure to these compounds progressed with time from intense vasodilatation to marginalization of granulocytes followed by interstitial migration of leukocytes. In vitro incubation ...
Proteins exhibit a variety of dense phases ranging from gels, aggregates, and precipitates to crystalline phases and dense liquids. Although the structure of the crystalline phase is known in atomistic detail, little attention has been paid to noncrystalline protein dense phases, and in many cases the structures of these phases are assumed to be fully amorphous. In this work, we used small-angl...
We explored the potential benefits of stigmasterol in the treatment of asthma, an airway disorder characterized by immune pathophysiology and with an ever-increasing worldwide prevalence. We assessed the modulatory effect of the intraperitoneal administration of stigmasterol on experimentally induced airway inflammation in guinea pigs. The effect of stigmasterol on inflammatory cell proliferati...
several studies have demonstrated that herbal extracts possess various biological effects including anti-inflammatory and anti-cancer activities. the present study was aimed to investigate the protective effects of the astragalus gypsicolus (ag) hydroalcoholic extract in early allergic sensitized mice induced by ovalbumin. phytochemical assay was used to recognize the main active const...
The effect of the digestive microflora on oral tolerance to ovalbumin was studied by using axenic (germfree) and conventional C3H/HeJ mice. In contrast to reported results of studies with sheep erythrocytes, oral administration of ovalbumin induced tolerance in axenic mice, but the maintenance of tolerance was found to be of shorter duration than was with conventional mice. These data indicate ...
Band-shifting and DNase I footprinting analyses detected a specific DNA binding protein extracted from oviduct nuclei that binds to the ovalbumin gene 5' sequence between -1094 and -1125. This "-1100" fragment, when inserted upstream of the SV40 or ovalbumin promoters fused to a chloramphenicol acetyltransferase reporter gene, enhances chloramphenicol acetyltransferase activity 5-10-fold follow...
FIZZ1 is an adipokine highly expressed under inflammatory conditions, and yet, little is known of its function. In this study we examine the expression and function of FIZZ1 in an ovalbumin mouse model of asthma. Trachea from naïve or ovalbumin-sensitised and -challenged mice were compared for transcriptional, functional and proteomic differences using gene microarrays, ex vivo tracheal contrac...
The relative contributions of basophils and dendritic cells in Th2 skewing to foreign antigen exposure remain unclear. Here we report the ability of basophils to induce Th2 polarization upon epicutaneous sensitization with different antigens using basophil conditionally depleted Bas TRECK transgenic mice. Basophils are responsible for Th2 skewing to haptens and peptide antigens, but not protein...
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