نتایج جستجو برای: immunodominance
تعداد نتایج: 540 فیلتر نتایج به سال:
Interference or competition between CD8(+) T cells restricted by distinct MHC-I molecules can be a powerful means to establish an immunodominant response. However, its importance during infections is still questionable. In this study, we describe that following infection of mice with the human pathogen Trypanosoma cruzi, an immunodominant CD8(+) T cell immune response is developed directed to a...
During adaptive immune response, pathogen-specific CD8(+) T cells recognize preferentially a small number of epitopes, a phenomenon known as immunodominance. Its biological implications during natural or vaccine-induced immune responses are still unclear. Earlier, we have shown that during experimental infection, the human intracellular pathogen Trypanosoma cruzi restricts the repertoire of CD8...
Influenza A/Beijing/32/92 (H3N2) haemagglutinin (HA)-specific short-term CD4+ T cell lines were generated from six unrelated HLA-DR0701, 1501 positive adults (aged 27-60 years) 3 months following administration of an influenza subunit vaccine containing HA A/Beijing/32/92. Epitope recognition was examined using 118 HA A/Beijing/32/92-specific 16mer peptides which overlapped by 11 residues and w...
Immunodominance hierarchies operating in immune responses to viral Ags limit the diversity of the elicited CD8 T cell responses. We evaluated in I-A(b+)/A2-HHD-II and HLA-DR1(+)/A2-DR1 mice the HLA-A*0201-restricted, multispecific CD8 T cell responses to the human CMV tegument phosphoprotein pp65 (pp65) Ag. Vaccination of mice with pp65-encoding DNA elicited high IFN-γ(+) CD8 T cell frequencies...
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