نتایج جستجو برای: immunogen
تعداد نتایج: 1786 فیلتر نتایج به سال:
Clinical isolates of the respiratory pathogen Bordetella pertussis in the United States have become predominantly deficient for the acellular vaccine immunogen pertactin through various independent mutations. Here, we report the complete genome sequences for four B. pertussis isolates that harbor novel deletions responsible for pertactin deficiency.
The heterologous red cell response of Xenopus laevis larvae and post-metamorphic toadlets was investigated by means of the immuno-cytoadherence (ICA) technique. Sheep erythrocytes (SRBC) were employed as immunogen. Toadlets responded to a single injection of immunogen within 4 days, and exhibited a peak level of rosette-forming cells (RFC) in their spleens at 8 days post-injection. Toadlets imm...
Vitetta and colleagues identified and characterized a putative vascular leak peptide (VLP) consensus sequence in recombinant ricin toxin A-chain (RTA) that contributed to dose-limiting human toxicity when RTA was administered intravenously in large quantities during chemotherapy. We disrupted this potentially toxic site within the more stable RTA1-33/44-198 vaccine immunogen and determined the ...
The high molecular weight, multidomain VAR2CSA protein mediating adhesion of Plasmodium falciparum-infected erythrocytes in the placenta is the leading candidate for a pregnancy malaria vaccine. However, it has been difficult so far to generate strong and consistent adhesion blocking antibody responses against most single-domain VAR2CSA immunogens. Recent advances in expression of the full-leng...
BACKGROUND Inclusion of multiple immunogens to target a single organism is a strategy being pursued for many experimental vaccines, especially where it is difficult to generate a strongly protective response from a single immunogen. Although there are many human vaccines that contain multiple defined immunogens, in almost every case each component targets a different pathogen. As a consequence,...
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