Tracks of S1P2-deficient GC B cells

Tracks of wild-type (cyan) and S1P2-deficient (green) GC B cells were superimposed on the 'surface' of the GC. While the tracks of wild-type cells are confied within the GC, the tracks of S1P2-deficient cells are found around the periphery or outside the GC. Nat. Immunol. 12: 672-680; 2011.