B4GALNT2 and infection: Immunohistochemical staining and subsequent quantification of cell numbers revealed no difference in cell numbers according to endothelial B4galnt2 expression (RIII), but significantly fewer CD68 + and CD3 + cells were observed in the cecal tissues of B6-/- mice (Figs 5A, 5B and S3A and S1 Table) after infection.