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. 1984 Jul 6;794(2):256-60.
doi: 10.1016/0005-2760(84)90153-x.

Sex differences in arachidonate cyclo-oxygenase products in elicited rat peritoneal macrophages

J T Du, E Vennos, E Ramey, P W Ramwell

Sex differences in arachidonate cyclo-oxygenase products in elicited rat peritoneal macrophages

J T Du et al. Biochim Biophys Acta. .

Abstract

Peritoneal macrophages were elicited by Freund's incomplete adjuvant from adult male and female Fisher 344 rats. The release of prostaglandin E2 and thromboxane B2 from these macrophages was determined by radioimmunoassay. The basal release of these products was the same for males and females. The macrophages of the female rats released, in a dose-dependent manner, significantly more prostaglandin E2 and thromboxane B2 than macrophages from the male, following challenge with either a particulate stimulus, zymosan (25-150 micrograms/ml) or a soluble stimulus, calcium ionophore A23187 (1 X 10(-7) -1 X 10(-6) M). These results may relate to gender differences in immune responses.

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