نتایج جستجو برای: somatic antigens
تعداد نتایج: 157498 فیلتر نتایج به سال:
The present study on antigenic competition among somatic 'O' antigens of different Salmonella groups (A, B, C1, C2, D and E1) in mares revealed that the immune response to most of the antigens was not (A, B, C2) or little (C1, D) affected by antigenic competition. However, E1 group antigen, which induced high antibody titres (Avg. 12967.3) when given alone, produced almost 3.5 log2 lower antibo...
Abstract A cognate antigen engagement of TCR induces a conformation change in the CD3 complex (CD3Δc) that is required for productive T cell activation. CD3Δc fails when TCRs interact with poorly immunogenic antigens, like many tumor-associated-antigens (TAAs), which do not active cells. Anti-CD3 monovalent Fab fragments (Mono-Fabs) bound to mimic CD3Δc, producing “co-potentiation” associated w...
Swiss white mice immunized with acetone-killed vaccines prepared from strains of Salmonella typhosa, S. typhimurium, and mouse-virulent S. typhimurium hybrids which had acquired, by conjugal genetic transfer, the S. typhosa antigens 9, Vi, and d were challenged with the S. typhimurium hybrids and with the S. typhimurium parent strain. The results of these experiments suggested that the Salmonel...
Hamster cells transformed by adenovirus 2 (Ad2) or simian virus 40 (SV40) have different tumorigenic phenotypes. In the present study, somatic cell hybrids formed from Ad2- and SV40-transformed hamster cells were used to determine whether possible interactions between the integrated viral genomes would influence the tumorigenic phenotype of hybrid transformed cells. These somatic cell hybrids w...
Toxoplasma gondii contain various immunogenic antigens. The most important Toxoplasma antigens are somatic and excreted/secreted antigens. Rhoptry proteins are known as excreted/secreted antigens. These antigens have been proposed as a vaccine candidate against toxoplasmosis. The main objective of the present work was cloning rhoptry protein1 (ROP1) Gene of Toxoplasma gondii (RH) in a cloning...
toxoplasma gondii contain various immunogenic antigens. the most important toxoplasma antigens are somatic and excreted/secreted antigens. rhoptry proteins are known as excreted/secreted antigens. these antigens have been proposed as a vaccine candidate against toxoplasmosis. the main objective of the present work was cloning rhoptry protein1 (rop1) gene of toxoplasma gondii (rh) in a cloning v...
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