Fig. 4.
Expression of the 1B11 epitope in CD4 cells requires C2GlcNAcT-I.
Staining of CD43 (S11) versus 1B11 for WT Th1 cells (A) and C2GlcNAcT-I−/− Th1 cells (B). 1B11 staining is abrogated in Th1 cells from the C2GlcNAcT-I−/− mice, but identifies a discrete subset of Th1 cells from WT mice.