Abstract
The aim of the study was to evaluate the risk of DNA damage in lymphocytes of pregnant women with respect to hormonal and nutritional status and to air pollution in Lesser Poland. The study was performed on 39 healthy pregnant women. The oxidative DNA damage, alkali-labile sites and uracil in DNA of lymphocytes were measured by using the comet assay. The concentration of 17beta-estradiol, progesterone, DHEA, cholesterol, vitamin B12 and folates were determined. Dietary data were assembled from food diaries. Voivodeship Inspectorate for Environmental Protection in Krakow using automatic pollution monitoring system provided the air pollution information, such as concentrations of PM10, PM2.5, NO, NO2, SO2, CO and O3. Many statistical correlations between DNA damage and air pollutants concentration were found however their biological meaning is still to be explained. It should be taken under consideration, that the protective effect of air pollutants is a result of hormesis, as the measured amounts of air pollutants during the study did not exceed the admissible levels. There was found no diet-and air pollution interaction.
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