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At inflammatory sites in vivo, leukocytes may confront multiple, competing chemoattractive signals. We found significant differences between eosinophils and neutrophils in transendothelial chemotaxis(More)
BACKGROUND Sphingosine 1-phosphate (S1P), known to play important roles in vascular biology, is a bioactive lysophospholipid mediator that maintains endothelial integrity via its cell-surface(More)