نتایج جستجو برای: humoral immunity
تعداد نتایج: 96805 فیلتر نتایج به سال:
Memory formation is the most important aspect of a vaccine which can guarantee long-lasting immunity and protection. The main aim of the present study was to evaluate the memory immune responses after immunization with a mini vaccine. Mice were immunized with human immunodeficiency virus-1 P24-Nef fusion peptide and then cellular and humoral immune responses were evaluated. In order to determin...
Hypogammaglobulinemia is characterized as a deficiency in humoral immunity. Humoral immunity deficiencies include the absence of B cells and/or serum immunoglobulins. Common clinical features include a predisposition toward infections naturally defended against through antibody-mediated responses. Clinical manifestations of this condition, in the parturient, may contraindicate neuraxial anesthe...
From experimental work to determine the role of humoral and cell-mediated responses in the pathogenesis of syphilis evidence has been collected to indicate that both humoral and cell-mediated immunity have a protective function in syphilis.
Avian influenza virus (H5N1) can be transmitted to humans, resulting in a severe or fatal disease. The aim of this study was to evaluate the immune cross-reactivity between human and avian influenza (H5N1) strains in healthy donors vaccinated for seasonal influenza A (H1N1)/(H3N2). A small frequency of CD4 T cells specific for subtype H5N1 was detected in several persons at baseline, and season...
Pentraxin 3 (PTX3) is a fluid-phase pattern recognition molecule and a key component of the humoral arm of innate immunity. In four different models of tissue damage in mice, PTX3 deficiency was associated with increased fibrin deposition and persistence, and thicker clots, followed by increased collagen deposition, when compared with controls. Ptx3-deficient macrophages showed defective perice...
The aim of the current research was to evaluate the immunomodulatory potential of methanol extract of Aegle marmelos in an experimental animal model of cellular and humoral immunity. Administration of methanol extract of Aegle marmelos (500 and 1000 mg/kg, p.o.) and Ocimum sanctum (100 mg/kg, p.o.), produced significant increase in adhesion of neutrophils and an increase in phagocytic index in ...
The immune system is costly to operate, so we expect allocation to this function to relate to other indices of overall phenotypic condition. In captive male ruffs (Philomachus pugnax), we examine covariation between three seasonal male characteristics induced by testosterone (neck ‘ruff’, facial wattles, and increases in mass/size) and cell-mediated and humoral immunity. The ruff has two geneti...
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