
pmid: 34334510
pmc: PMC8498834
We determined a comprehensive immunohistochemistry of putative isoforms of enzymes for prostaglandin (PG) F2α and PGE2 biosynthesis and these PGs levels in placenta and fetal membrane of normal pregnant rats in vivo. Placenta and fetal membrane showed positive immunoreactions for phospholipase A2 group 4A, but not group 2A, and cyclooxygenase (COX)-1 rather than COX-2. They showed positive immunoreactions for at least one isoform of each of PGF synthase and PGE synthase with tissue-dependent variations. PGF2α and PGE2 levels in both tissues were highest on day 12 and declined and remained low thereafter. Obtained data would be the basic information on the primary PGs synthesis in rat placenta and fetal membrane in normal pregnancy.
Physiology, Cyclooxygenase 2, Pregnancy, Placenta, Prostaglandins F, Extraembryonic Membranes, Prostaglandins, Animals, Female, Dinoprost, Immunohistochemistry, Rats
Physiology, Cyclooxygenase 2, Pregnancy, Placenta, Prostaglandins F, Extraembryonic Membranes, Prostaglandins, Animals, Female, Dinoprost, Immunohistochemistry, Rats
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