Proteolytic activity of fetoplacental complex in normal and pathology

   


1. Penza State University
Type: Clinical study
DOI: 10.18097/pbmc20146003389      UDK: 612.015      PubMed Id: 25019402
Year: 2014 vol: 60  issue:3  pages: 389-396
Abstract: The activity of angiotensin converting enzyme (ACE), carboxypeptidase N (CPN), and leucine aminopeptidase (LAP) has been investigated in the fetoplacental complex (FPC) in normal and placental insufficiency (FPI). ACE and LAP activities were significantly higher in the placental tissue than in maternal serum and umbilical vein serum. CPN activity was significantly lower in umbilical vein serum as compared to that of women in childbirth. Probably, the studied enzymes are involved in formation of reduced sensitivity of FPC of blood vessels during physiological pregnancy. In cases of placental insufficiency a significant increase of LAP activity was found in the placental tissue and umbilical vein serum. In addition, the pathological course of pregnancy caused a significant increase of CPN activity in serum of pregnant women in comparison to the norm. The obtained data suggest that during FPI proteolytic enzymes participate in the formation of compensatoty-adaptive reactions in the FPC. Results of this study are interesting in context of development of methods for prevention and correction of metabolic disorders in pathologies of pregnancy
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Reference: Petrushova O.P., Mikulyak N.I., Proteolytic activity of fetoplacental complex in normal and pathology, Biomeditsinskaya khimiya, 2014, vol: 60(3), 389-396.
This paper is also available as the English translation:10.1134/S1990750813030116
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