Maternal serum protein S forms in pregnancies complicated by intrauterine growth restriction |
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| Authors: | De Bonis Maria Sabatini Laura Galeazzi Luna R Torricelli Michela Calzoni Paola Fineschi Daniela Novembri Romina Severi Filiberto M Petraglia Felice |
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| Institution: | a Obstetrics and Gynaecology, Department of Paediatrics, Obstetrics and Reproductive Medicine, University of Siena, Siena, Italy
b U.O.C. Laboratorio di Ematologia e Coagulazione, Azienda Ospedaliera Universitaria Senese, Siena, Italy |
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| Abstract: | ObjectivesThe clinical relevance of protein S deficiency in pregnant women remains controversial. Major debate exists regarding which parameter (total protein S antigen, free protein S antigen or functional protein S) should be evaluated in order to define protein S deficiency. The present study aimed to identify which of these parameters correlate with intrauterine growth restriction (IUGR).Study designA retrospective case-control study of women with IUGR (n = 27) and healthy controls (n = 123) in the third trimester of pregnancy.ResultsThe maternal serum of women in the IUGR group had significantly lower levels of functional and free protein S compared with the control group: 54.07 ± 24.72% vs 65.20 ± 17.95% (p < 0.005) and 42.88 ± 11.01% vs 56.64 ± 13.30% (p < 0.0001), respectively. No significant correlation was found between total protein S and IUGR.ConclusionsLevels of functional and free protein S are correlated with IUGR. |
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| Keywords: | Functional protein S Free protein S Intrauterine growth restriction |
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