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. 1978 Sep 1;148(3):787-92.
doi: 10.1084/jem.148.3.787.

Thromboxane generation by human peripheral blood polymorphonuclear leukocytes

I M Goldstein, C L Malmsten, H Kindahl, H B Kaplan, O Rådmark, B Samuelsson, G Weissmann

Thromboxane generation by human peripheral blood polymorphonuclear leukocytes

I M Goldstein et al. J Exp Med. .

Abstract

Human peripheral blood polymorphonuclear leukocytes were stimulated to generate thromboxane B2 in a time- and concentration-dependent fashion upon exposure to serum-treated zymosan particles. Conversion by stimulated PMN of [14C] arachidonic acid to [14C]thromboxane B2 was confirmed by thin-layer radiochromatography, radio-gas chromatography, and mass spectrometry. Generation of thromboxane B2 was independent of platelet contamination and could be inhibited by the cyclooxygenase inhibitor, indomethacin. Cells rendered incapable of ingesting particles by treatment with cytochalasin B generated comparable amounts of thromboxane B2. These results suggest that human peripheral blood polymorphonuclear leukocytes synthesize thromboxanes in response to surface stimulation independently of phagocytosis.

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References

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