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KMID : 0358420090520020188
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Korean Journal of Obstetrics and Gynecology
2009 Volume.52 No. 2 p.188 ~ p.196
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Changes of Lipid peroxide Levels and prooxidative activity stimulating the protein carbonyl formation in the amniotic fluid of women with preterm premature rupture of membranes
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Kim Yoon-Ha
Kim Seok-Mo
Kim Cheol-Hong
Cho Moon-Kyoung
Kim Jong-Woon
Kang Woo-Dae
Cho Hye-Yon
Park Ju-Mi
Kim Eun-Kyoung
Park Seo-Yeon
Yang Sung-Yeul
Ahn Bong-Whan
Song Tae-Bok
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Abstract
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Objective: To investigate the lipid peroxide levels and protein carbonyls levels in the amniotic fluid of pregnant women with preterm premature rupture of membranes (PPROM).
Methods:? The lipid peroxide levels in the amniotic fluid of normal pregnancy (n=20) and pregnant women with PPROM (n=20) were measured by thiobarbituric acid reaction. The protein carbonyl contents in the amniotic fluid of normal pregnancy (n=20) and pregnant women with PPROM (n=20) were determined by the 2,4-dinitrophenylhydrazine method. After amniotic fluid of them were mixed and incubated up to 5 hours with 0.2 mL of 1mM moxalactam, cefodizime, amoxacillin, erythromycin, the lipid peroxide levels and protein carbonyl contents in them were measured.
Results: 1. The lipid peroxide levels in the amniotic fluid of pregnant women with PPROM was significantly higher than that of normal pregnancy (9.74±0.48 vs. 7.20±0.38 nmol/mg protein, P<0.01). 2. The protein carbonyl levels in the amniotic fluid of pregnant women with PPROM was significantly higher than that of normal pregnancy (13.0±0.33 vs. 11.27±0.17 nmol/mg protein P<0.01). 3. The lipid peroxide levels and protein carbonyls formation by moxalactam in the amniotic fluid of pregnant women with PPROM was significantly higher than basal level (12.08±0.81 vs. 9.74±0.48 nmol/mg protein, 20.08±0.66 vs. 13.0±0.33 nmol/mg protein, P<0.01). 4. The lipid peroxide levels and protein carbonyls formation by cefodizime in the amniotic fluid of pregnant women with PPROM was significantly lower than basal level (5.04±0.33 vs. 9.74±0.48 nmol/mg protein, 9.76±0.35 vs. 13.0±0.33 nmol/mg protein, P<0.01). 5. There were no significant differences in the levels of lipid peroxide and protein carbonyls by amoxacillin and erythromycin in the amniotic fluid of pregnant women with PPROM between antibiotics-induced and basal levels.
Conclusion: The lipid peroxidation and the protein carbonyls formation were increased in the amniotic fluid of pregnant women with PPROM. Antibiotics-induced lipid peroxide and protein carbonyl levels were changed in the amniotic fluid of pregnant women with PPROM. Further studies on our results may be beneficial in the selection of antibiotics for pregnant women with PPROM.
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KEYWORD
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Preterm premature rupture of membrane, Amniotic fluid, Lipid peroxide, Prooxidative stimulating activity
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