نتایج جستجو برای: frozen ova
تعداد نتایج: 33899 فیلتر نتایج به سال:
N-trimethyl chitosan (TMC) nanoparticles have been shown to increase the immunogenicity of subunit antigens after nasal and intradermal administration. This work describes a second generation of TMC nanoparticles containing ovalbumin as a model antigen (TMC/OVA nanoparticles) and an immunopotentiator (TMC/OVA/immunopotentiator nanoparticles). The selection of immunopotentiators included Toll-li...
Tumor expression of the lymphangiogenic factor VEGF-C is correlated with metastasis and poor prognosis, and although VEGF-C enhances transport to the draining lymph node (dLN) and antigen exposure to the adaptive immune system, its role in tumor immunity remains unexplored. Here, we demonstrate that VEGF-C promotes immune tolerance in murine melanoma. In B16 F10 melanomas expressing a foreign a...
Background: Allergic Asthma is an inflammatory disease of the respiratory system that is well known by increased inflammatory cells in the airways and causes difficulty in respiration. The prevalence of allergic asthma is increasing worldwide, and it has become a significant cause of health challenge especially in developed countries. Inhaled β2-agonists and Inhaled or oral corticosteroids are ...
Wastewaters are one of the most important sources for transmission of pathogenic agents in environment, so they should be disinfected in a manner that their overall qualities become accordant with WHO-guidelines, if it is needed to reus water correctly. Unfortunately, the protozoa and parasitic worm's eggs can not be destroyed by chlorination alone. This experiment was carried out in order to d...
activated macrophages have been classified into classical (m1) and alternative (m2) macrophages. we aimed to establish a method to yield enough number of macrophages to analyze their molecular, biological and immunological functions. we used drugs; adjuvant albumin from chicken egg whites—imject alum (ova- alum) and ova complete freund adjuvant (ova-cfa), to induce macrophages to m2 and m1 resp...
Food allergy is a refractory condition for which there are no standard effective therapies. Prebiotic supplementation such as oligosaccharides in infants was found to be associated with decreased risk of allergic diseases. Raffinose and stachyose the major identified beans; these have properties regulating homeostasis. In this study, we explored use means prevent food using an ovalbumin (OVA) s...
Objective(s): Allergic Asthma is an inflammatory disease of the lungs that is characterized by increased infiltration of leukocytes into the airways, limiting the respiratory function. Studies suggest that a defective general regulatory system against inflammation could be a significant factor in allergic asthma. It has been shown that Mesenchymal stem cells (MSCs) have a cellular immunosuppres...
The purpose of these studies is to determine why an immunogenic tumor grows unchecked in the anterior chamber (a.c.) of the eye. The OVA-expressing EL4 tumor, E.G7-OVA, was injected into the a.c. or skin of immunocompetent and immunodeficient mice. Tumor growth and tumor-specific immune responses were monitored. Ocular tumor-infiltrating leukocytes were characterized phenotypically and function...
In a previous study, we demonstrated that exhaustive exercise suppressed peritoneal macrophage antigen presentation (AP). In this study, we explored the intracellular mechanism(s) responsible for this suppression. Pathogen-free male BALB/c mice (8 +/- 2 wk) were randomly assigned to either home cage control (HCC) or exhaustive exercise stress (Exh, 18-30 m/min for 3 h/day) treatment groups. The...
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