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  • Title: Effects of interleukin-6 and tumor necrosis factor-alpha on prostaglandin production by cultured human fetal membranes.
    Author: Kent AS, Sullivan MH, Sun MY, Zosmer A, Elder MG.
    Journal: Prostaglandins; 1993 Oct; 46(4):351-9. PubMed ID: 8248548.
    Abstract:
    In this study we investigated the effects of the cytokines interleukin-6 (IL-6) and tumor necrosis factor-alpha (TNF-alpha) on prostaglandin production by cultured human fetal membranes. These cytokines stimulate prostaglandin synthesis by isolated components of human fetal membranes, but their effects on the intact tissue comprising amnion, chorion and decidua were not known. TNF-alpha added to the maternal side of the membrane activated decidual production of PGF2 alpha but had no effects on synthesis of PGE2 or PGE2 metabolites. Addition of TNF-alpha to the fetal side of the membrane increased production of PGE2 by amnion and PGE2 metabolites from chorion. The addition of IL-6 to the fetal or the maternal side of the membrane increased production of PGE2 from amnion and PGE2m from chorion, suggesting that IL-6 might pass through the fetal membrane. IL-6 had no effect on decidual PGF2 alpha production. These results suggest that TNF-alpha may be involved in labor by increasing decidual prostaglandin synthesis, whereas IL-6 is less likely to have a role.
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