نتایج جستجو برای: immune protection
تعداد نتایج: 434794 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...
Background: Pregnancy is a unique immunologic phenomenon in that despite expressing antigens with paternal origin of the embryos the interaction between maternal immune cells and fetal ones not only does not cause damage to the fetus, is necessary for fetal development . Since immune cell function is essential in the success of pregnancy and many of spontaneous abortions are associated with i...
Identification of immune correlates of protection after vaccination is an important part of vaccinology for both theoretical and practical reasons. The terminology and definition of correlates have been confusing, because different authors have used variable terms and concepts. Here, we attempt to give precision to the field by defining 3 terms: correlate of protection (CoP), mechanistic correl...
leishmania antigens are weak immunogens and need to be potentiated by various adjuvants and delivery systems. alginate microspheres as an antigen delivery system and quillaja saponins (qs) as an immunoadjuvant have been used to enhance the immune response against autoclaved leishmania major (alm). microspheres were prepared by an emulsification technique and characterized for size, encapsulatio...
Sequential immune responses (SIR) is a new model that describes what 'immunity' means in higher animals. Existing models, such as self/nonself discrimination or danger, focus on how immune responses are initiated. However, initiation is not protection. SIR describes the actual immune responses that provide protection. SIR resulted from a comprehensive analysis of the evolution of immune systems...
BACKGROUND Wolbachia infections confer protection for their insect hosts against a range of pathogens including bacteria, viruses, nematodes and the malaria parasite. A single mechanism that might explain this broad-based pathogen protection is immune priming, in which the presence of the symbiont upregulates the basal immune response, preparing the insect to defend against subsequent pathogen ...
Skin has some physiologic roles which are performed actively. One of the most important functions of skin is to take part in body immune system. Skin Immune system (SIS) which has local and extra-local effects plays its role through skin associated lymphoid tissues (SALT). SIS provides nonspecific (NI) and specific immunity (SI). NI is effective through PH, fatty acids, antibacterial substances...
background and objectives : haemorrhagic septicaemia (hs), caused by pasteurella multocida, is the most important bacterial disease of cattle and buffaloes in india. oil adjuvant vaccine (oav) is the most potent vaccine available for the control of hs. the study aims to evaluate the effect of alum co-adjuvantation of oav on emulsion stability and immune response. materials and methods : two dif...
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