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The effects of a variety of inhibitors of the arachidonic acid metabolic pathway have been tested on the growth of early erythroid progenitor cell-derived colonies (CFU-E and BFU-E) in an attempt to discern whether products of the cyclo-oxygenase pathway or lipoxygenase pathway are essential for erythropoiesis. Murine erythroid progenitor cells obtained(More)
The role of specific products of the lipoxygenase pathway of arachidonic acid metabolism has been investigated in the Friend erythroleukemia cell line, a model system for erythroid cell differentiation. When triggered with agents such as hexamethylene-bis-acetamide, these cells mature as normal erythroid cells. 15-Hydroxyeicosatetraenoic acid (15-HETE) was(More)
Erythroid progenitor cells synthesize 12-hydroxyeicosatetraenoic acid (12-HETE) and 15-hydroxyeicosatetraenoic acid (15-HETE) when stimulated by erythropoietin (Ep). Maximal stimulation of 12-HETE production occurred at one hour, whereas 15-HETE activity remained constant in response to Ep for 24 hours. Lipoxygenase-selective inhibitors of arachidonic acid(More)
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