Ten frogs (Xenopus laevis) were injected with mixed bacteria to produce a septic peritonitis. Peritoneal inflammatory cells of eight animals were studied for monohydroxyeicosanoid and leukotriene production from exogenous arachidonic acid. Large amounts of 12-hydroxyeicosatetraenoic acid were produced; smaller amounts of 5- and 15-hydroxyeicosatetraenoic and leukotriene B4 were produced. Identifications were confirmed by retention times on HPLC, ultraviolet spectroscopy on all products, and gas chromatograph/mass spectrometry in the case of 12-hydroxyeicosatetraenoic acid.
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Green et al. (1987) studied this question.
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