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  • Title: [Levels of advanced oxidation protein products (AOPP) in the first trimester of pregnancy].
    Author: Fialová L, Kalousová M, Soukupová J, Malbohan I, Krofta L, Mikulíková L, Horejsová H, Stípek S, Zima T.
    Journal: Sb Lek; 2003; 104(1):95-102. PubMed ID: 14577140.
    Abstract:
    Advanced oxidation protein products (AOPP) may be sensitive biomarkers for protein damage mediated by reactive oxygen species. AOPP were measured in the serum of 41 pregnant women in the 8th-12th week of pregnancy. Parameters of prenatal screening in the first trimester (pregnancy-associated plasma protein A--PAPP-A and free beta human chorionic gonadotrophin--free beta HCG) and anticardiolipin antibodies (ACA) IgG and IgM were determined as well. A group of healthy blood donors--women and men was used for comparison. AOPP were determined spectrophotometrically according to Witko-Sarsat [24] (absorbance at 340 nm) and were expressed in chloramine units (mumol/l). Other analytes were determined by immunoanalytic methods. AOPP levels in pregnant women in the first trimester are significantly higher in comparison with blood donors--women (89.46 +/- 33.38 mumol/l vs 57.34 +/- 16.31 mumol/l, p < 0.0001) but there is no statistically significant difference between pregnant women and blood donors--men (89.46 +/- 33.38 mumol/l vs 78.60 +/- 44.01 mumol/l). AOPP level does not correlate either with the age of pregnant women or with the parameters of prenatal screening and ACA IgG and IgM. Higher levels of AOPP in the serum of pregnant women in comparison with women--blood donors may reflect an increase of oxidative stress in pregnancy.
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