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We have previously shown that 15-lipoxygenase (15-LOX) and its metabolite 15-hydroxyeicosanoid (15-HETE) play a critical role on hypoxia-triggered pulmonary artery smooth muscle cell (PASMC) phenotype alteration through multifactorial pathways, like extracellular signal-regulated kinase and p38 mitogen-activated protein kinases. Here, we hypothesize that activator protein 1 (AP-1) was also involved...
The aim of the present study was to investigate the roles of protein kinase C (PKC) signal transduction pathway in the 15-hydroxyeicosatetraenoic acid (15-HETE)-induced down-regulation expression of K V 1.5, K V 2.1 and K V 3.4, and pulmonary vasoconstriction under hypoxia. Tension measurements on rat pulmonary artery (PA) rings, Western blots, semi-quantitative PCR and whole-cell...
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