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To explore the human T cell response to acute viral infection, we performed a longitudinal analysis of CD8 + T cells responding to the live yellow fever virus and smallpox vaccines—two highly successful human vaccines. Our results show that both vaccines generated a brisk primary effector CD8 + T cell response of substantial magnitude that could be readily quantitated with a simple...
The yellow fever virus 17D vaccine strain is one of the most effective and safe vaccines available. The immune response after immunization is characterized by long-lasting high titers of neutralizing antibodies. Here, we have initiated a characterization of YFV-17D-specific cellular immune responses. This study makes three points. First, we have identified two CD8 T cell epitopes and one CD4 T cell...
Male mice deficient in BCLW, a death-protecting member of the BCL2 family, are sterile due to an arrest in spermatogenesis that is associated with a gradual loss of germ cells and Sertoli cells from the testis. As Bclw is expressed in both Sertoli cells and diploid male germ cells, it has been unclear which of these cell types requires BCLW in a cell-autonomous manner for survival. To determine whether...
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