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. 1997 Jul 7;186(1):71–81. doi: 10.1084/jem.186.1.71

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Apoptosis of CD4⁺ T cells from SEA-treated Tg mice. TdT staining revealed DNA fragmentation in the CD4⁺ T cells from SEA-treated mice. SEA-treated animals were analyzed 2 and 4 d after SEA injection (two animals each), immediately ex vivo, and 12 h after antigenic restimulation with APCs and PCCF. TdT staining of gated CD4⁺ T cell populations are shown.