Basal intravital leukocyte rolling in mesenteric venules
Wild type
10 animals: 10.0 leukocytes/min
P-selectin -/-
8 animals: <0.03 leukocytes/min
Adapted from: Mayadas, TN, Johnson, RC, Rayburn, H, Hynes, RO, Wagner, DD. Leukocyte rolling and extravasation are severely compromised in P selectin-deficient mice. Cell. 74:541-554. 1993