Title : Interferon gamma antagonizes interleukin-1beta-induced cyclooxygenase-2 expression and prostaglandin E(2) production in human myometrial cells.

Pub. Date : 2002 Jul-Aug

PMID : 12113880






6 Functional Relationships(s)
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1 OBJECTIVE: To evaluate the effect of interferon gamma (IFNgamma) on interleukin-1beta (IL-1) and tumor necrosis factor-alpha (TNFalpha)-promoted prostaglandin E(2) (PGE(2)) production and to investigate the interaction of IFNgamma and IL-1 on cyclooxygenase-2 (COX-2) expression, as well as nuclear factor-kappaB (NF-kappaB) activation in human myometrial cells. Prostaglandins E interferon gamma Homo sapiens
2 OBJECTIVE: To evaluate the effect of interferon gamma (IFNgamma) on interleukin-1beta (IL-1) and tumor necrosis factor-alpha (TNFalpha)-promoted prostaglandin E(2) (PGE(2)) production and to investigate the interaction of IFNgamma and IL-1 on cyclooxygenase-2 (COX-2) expression, as well as nuclear factor-kappaB (NF-kappaB) activation in human myometrial cells. Prostaglandins E interferon gamma Homo sapiens
3 OBJECTIVE: To evaluate the effect of interferon gamma (IFNgamma) on interleukin-1beta (IL-1) and tumor necrosis factor-alpha (TNFalpha)-promoted prostaglandin E(2) (PGE(2)) production and to investigate the interaction of IFNgamma and IL-1 on cyclooxygenase-2 (COX-2) expression, as well as nuclear factor-kappaB (NF-kappaB) activation in human myometrial cells. Prostaglandins E interferon gamma Homo sapiens
4 OBJECTIVE: To evaluate the effect of interferon gamma (IFNgamma) on interleukin-1beta (IL-1) and tumor necrosis factor-alpha (TNFalpha)-promoted prostaglandin E(2) (PGE(2)) production and to investigate the interaction of IFNgamma and IL-1 on cyclooxygenase-2 (COX-2) expression, as well as nuclear factor-kappaB (NF-kappaB) activation in human myometrial cells. Prostaglandins E interferon gamma Homo sapiens
5 RESULTS: Cell cultures primed with IFNgamma produced significantly less (P <.05-.01) PGE(2) in response to cytokines than cells exposed to IL-1, TNF-alpha, or the combination of the two. Prostaglandins E interferon gamma Homo sapiens
6 CONCLUSION: Interferon gamma acts as a partial antagonist of IL-1 signaling in this cell model at a site upstream from the activation of the NF-kappaB pathway, causing a partial inhibition of COX-2 expression and PGE(2) production. Prostaglandins E interferon gamma Homo sapiens