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Tissue factor expression by neutrophils. Representative micrographs of leukocytes (original magnification 100×). Leukocytes extracted from mouse were stimulated by lipopolysaccharide. Eight hours later, the neutrophils were fixed on the slide and stained with immunofluorescent antibodies to both neutrophil elastase (middle panel) and tissue factor (right panel). The neutrophils were stained by both agents, while lymphocytes (arrows) were negative for the staining.
