immune system
• mice have substantial numbers of transgenic CD4+ T cells while having a complete absence of transgenic CD8+ T cells, which is a reversal of the T cell populations that normally develop in mice carrying just the Tg(TcrLCMV)327Sdz allele
• the CD4 T cells bear high levels of the transgenic TCR, express CD154 upon activation, and have other hallmarks (lack perforin and IFN-gamma expression) of truly belonging to the CD4 lineage and not the CD8 lineage
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hematopoietic system
• mice have substantial numbers of transgenic CD4+ T cells while having a complete absence of transgenic CD8+ T cells, which is a reversal of the T cell populations that normally develop in mice carrying just the Tg(TcrLCMV)327Sdz allele
• the CD4 T cells bear high levels of the transgenic TCR, express CD154 upon activation, and have other hallmarks (lack perforin and IFN-gamma expression) of truly belonging to the CD4 lineage and not the CD8 lineage
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