The Immunodominant CD8 T Cell Response to the Human Cytomegalovirus Tegument Phosphoprotein pp65495–503 Epitope Critically Depends on CD4 T Cell Help in Vaccinated HLA-A*0201 Transgenic Mice

Abstract excerpt

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 to the...

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