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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Effects of prostaglandins E2 and F2alpha (PGE2; PGF2alpha), trilostane, mifepristone, palmitic acid (PA), indomethacin (INDO), ethamoxytriphetol (MER-25), PGE2 + PA, or PGF2alpha + PA on PGE2, PGF2alpha, and progesterone secretion by bovine corpora lutea of mid-pregnancy in vitro.

The effects of PGE2, PGF2alpha, trilostane, RU-486, PA, INDO, MER-25, PGE2, or PGF2alpha + PA on secretion of progesterone, PGE2, or PGF2alpha by bovine corpora lutea (CL) of mid-pregnancy in vitro for 4 and 8 hr was examined. Secretion of PGE2 and PGF2alpha increased with time in culture (P < or = 0.05). PGE2 and PGE2 + PA increased (P < or = 0.05) secretion of progesterone at 4 and 8 h, progesterone secretion was increased (P < or = 0.05) at 4 h; but not at 8 h (P > or = 0.05) by trilostane, mifepristone, PGF2alpha and PGF2alpha + PA, and was decreased at 8 h by PGF2alpha and PGF2alpha + PA. Indomethacin decreased (P < or = 0.05) secretion of PGE2, PGF2alpha, and progesterone at 4 and 8 h. Trilostane, PA, PGF2alpha, RU-486 and PGF2alpha + PA increased (P < or = 0.05) PGE2 at 4 h only. Palmitic acid decreased (P < or = 0.05) PGF2alpha at 4 h, while trilostane, RU-486, or MER-25 did not affect (P < or = 0.05) PGE2 of PGF2alpha secretion. It is concluded that PGE2 of luteal tissue origin is the luteotropin at mid-pregnancy in cows. Also, it is suggested that PA may alter progesterone secretion by affecting the inter conversion of PGE2 and PGF2alpha.[1]


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