Association between atmospheric pollutant levels and oxidative stress in pregnant women and newborns in Urumqi

Autor: Linghui Zhu, Ying Lu, Fang Cheng, Luyi Zhang, Aliya Yusan, Xialidan Alifu, Ayixiemuguli Alimasi, Xiahaida Alemujiang
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: BMC Public Health, Vol 23, Iss 1, Pp 1-12 (2023)
Druh dokumentu: article
ISSN: 1471-2458
DOI: 10.1186/s12889-023-15222-9
Popis: Abstract Background Frequent heavy air pollution occurred during the winter heating season of northern China. Particulate air pollution is a serious concern in Urumqi during heating season. Exposure to air pollution is known to increase adverse health outcomes, particularly oxidative damage. This study aimed to evaluate the impact of air pollution on oxidative damage around pregnant women and newborns in Urumqi. Methods This prospective observational study enrolled pregnant women in the Fifth Affiliated Hospital of Xinjiang Medical University between January 2019 and October 2019. Pregnant women and newborns were allocated into a heating season group (January - end of April 2019, October 2019) or non-heating season group (June 2019 - end of September) according to the specific delivery time. Venous blood, urine from the women and cord blood from their newborns were collected to measure the levels of PAHs and 8-deoxyguanosine (8-OHdG), a measure of oxidative stress. Results A total of 200 pregnant women and newborns were enrolled, with 100 pregnant women and newborns in the heating season group. Compared to the non-heating season group, the total contents of 8-OHdG in maternal urine, PAHs and 8-OHdG in maternal plasma and neonatal cord blood were higher in the heating season group (all P
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