Rolling in P-selectin-deficient mice is reduced but not eliminated in the dorsal skin

S Yamada, TN Mayadas, F Yuan, DD Wagner… - 1995 - ashpublications.org
S Yamada, TN Mayadas, F Yuan, DD Wagner, RO Hynes, RJ Melder, RK Jain
1995ashpublications.org
P-selectin-mediated rolling is believed to be important in the recruitment of leukocytes to
tissue after ischemia-reperfusion injury. The dorsal skin chamber was used to examine
differences in the rolling and stable adhesion of circulating leukocytes in subcutaneous (SC)
vessels of P-selectin-deficient and age-matched wild-type mice, both under basal conditions
and after ischemia-reperfusion. Rolling in the postcapillary venules in SC tissue of P-selectin-
deficient mice was significantly lower than that in wild-type mice under the basal conditions …
P-selectin-mediated rolling is believed to be important in the recruitment of leukocytes to tissue after ischemia-reperfusion injury. The dorsal skin chamber was used to examine differences in the rolling and stable adhesion of circulating leukocytes in subcutaneous (SC) vessels of P-selectin-deficient and age-matched wild-type mice, both under basal conditions and after ischemia-reperfusion. Rolling in the postcapillary venules in SC tissue of P-selectin-deficient mice was significantly lower than that in wild-type mice under the basal conditions and post-ischemia-reperfusion (P < .05), but was not eliminated by the deletion of the P-selectin gene. No significant difference between P-selectin-deficient and wild-type mice in shear rate or leukocyte-endothelial adhesion was observed up to 24 hours after ischemia-reperfusion. These results show that P-selectin-mediated rolling is not a prerequisite for ischemia-reperfusion-induced leukocyte-endothelial adhesion in the skin.
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