Induction of cyclooxygenase-2 expression in human myometrial smooth muscle cells by interleukin-1beta: involvement of p38 mitogen-activated protein kinase.


1. Human myometrial smooth muscle cells (HMSMCs) in culture were exposed to recombinant human interleukin-1beta (IL-1beta, 10 ng ml-1) for 1 to 24 h. Cyclooxygenase-2 (COX-2) mRNA and protein were rapidly induced, with expression sustained at 24 h. 2. Cycloheximide (10 microg ml-1, 6 h) blocked IL-1beta-induced COX-2 protein expression and super-induced COX… (More)


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