Noradrenaline stimulates the production of prostaglandin F(2α) in cultured bovine endometrial cells

Dariusz J. Skarzynski, Yoshihisa Uenoyama, Jan Kotwica, Kiyoshi Okuda

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The stimulatory effect of noradrenaline (NA) as well as oxytocin (OT) on bovine endometrial prostaglandin (PG) F(2α) production, and the intracellular mechanisms of their actions, were investigated in cultured bovine endometrial cells (a mixture of epithelial, stromal, and glandular cells). The cells were cultured in Dulbecco's Modified Eagle's medium and Ham's F-12 medium (1:1 [v:v]) with 10% calf serum. When the cells reached confluence, the culture medium was replaced with fresh medium with 0.1% BSA and various doses of NA (10-8-10-4 M). NA stimulated PGF(2α) production in a dose-dependent manner (p < 0.05). To evaluate the intracellular mechanisms of NA and OT actions, the cells were treated with forskolin (an activator of adenylate cyclase), phorbol 12-myristate 13-acetate (PMA, an activator of protein kinase [PK] C), Rp-cAMP (a competitive cAMP antagonist and an inhibitor of PKA), U-73122 (an inhibitor of phospholipase [PL] C), or anthranilic acid (ACA, an inhibitor of PLA2). Forskolin and PMA stimulated PGF(2α) production in a dose-dependent manner (p < 0.05). Rp-cAMP completely inhibited (p < 0.001) the NA-induced, but not the OT-induced, PGF(2α) production. Although U-73122 inhibited only OT-induced PGF(2α) production (p < 0.001), ACA completely stopped the actions of NA and OT. The overall results indicate that NA as well as OT is involved in the regulation of the endometrial PGF(2α) production in cattle and that the stimulatory effects of NA and OT on PGF(2α) production are mediated via the PKA and PKC pathways, respectively.

Original languageEnglish
Pages (from-to)277-282
Number of pages6
JournalBiology of reproduction
Issue number2
Publication statusPublished - Feb 10 1999


ASJC Scopus subject areas

  • Reproductive Medicine
  • Cell Biology

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