期刊
MOLECULES
卷 27, 期 22, 页码 -出版社
MDPI
DOI: 10.3390/molecules27228013
关键词
pregnancy; chronic hypoxia; physiological variations; nuclear magnetic resonance; metabolomics
资金
- Science and Technology Project of Xiamen [3502Z20199138]
- Major Medical and Public Health Research Project of Xiamen [3502Z20191102]
This study aimed to investigate the physiological variations induced by chronic hypoxia during pregnancy using a rat model. Plasma and urine metabolite profiles were analyzed at different stages of pregnancy, and multiple metabolites were found to be affected by hypoxia, including acetic acid, acetone, choline, and citric acid. The most significant changes were observed on the 11th day of gestation.
Metabolomics have been widely used in pregnancy-related diseases. However, physiological variations induced by chronic hypoxia during pregnancy are not well characterized. We aimed to investigate physiological variations induced by chronic hypoxia during pregnancy. A Sprague-Dawley (SD) pregnant rat model of chronic hypoxia was established. Plasma and urine metabolite profiles at different stages of the pregnancy were detected by H-1 NMR (nuclear magnetic resonance). Multivariate statistical analysis was used to analyze changes in plasma and urine metabolic trajectories at different time-points. We identified hypoxia-induced changes in the levels of 30 metabolites in plasma and 29 metabolites in urine during different stages of pregnancy; the prominently affected metabolites included acetic acid, acetone, choline, citric acid, glutamine, isoleucine, lysine, and serine. Most significant hypoxia-induced changes in plasma and urine sample metabolites were observed on the 11th day of gestation. In summary, chronic hypoxia has a significant effect on pregnant rats, and may cause metabolic disorders involving glucose, lipids, amino acids, and tricarboxylic acid cycle. Metabolomics study of the effect of hypoxia during pregnancy may provide insights into the pathogenesis of obstetric disorders.
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