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  • Title: Oxytocin is hydrolyzed by an enzyme in human placenta that is identical to the oxytocinase of pregnancy serum.
    Author: Naruki M, Mizutani S, Goto K, Tsujimoto M, Nakazato H, Itakura A, Mizuno K, Kurauchi O, Kikkawa F, Tomoda Y.
    Journal: Peptides; 1996; 17(2):257-61. PubMed ID: 8801531.
    Abstract:
    The hydrolysis of oxytocin (OT) by human placental subcellular fractions and pregnant sera was studied in the presence of bestatin, a potent inhibitor of aminopeptidases, and the antibody against pregnant serum oxyotocinase (P-LAP)(EC 3.4 11.3) by measuring liberated amino acids by high performance liquid chromatography (HPLC). Our immunotitration study and the effect of bastatin on the oxytocin-degrading protease showed that the initiating and responsible protease in oxyotocin degradation in human placenta and pregnant serum is P-LAP.
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