Phosphorylation of 5-lipoxygenase at ser523 by protein kinase A determines whether pioglitazone and atorvastatin induce proinflammatory leukotriene B4 or anti-inflammatory 15-epi-lipoxin a4 production.


The 5-lipoxygenase (5LO) produces leukotriene B(4) and 15-epilipoxin-A(4) (15-epi-LXA(4)). Phosphorylation at Ser(523) by protein kinase A (PKA) prevents 5LO shift to the perinuclear membrane. Atorvastatin and pioglitazone up-regulate 15-epi-LXA(4) production in the heart. We assessed whether phosphorylation of 5LO by PKA determines whether 5LO interacts… (More)


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