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Article Abstract
Objective: To explore the differential protein profile of preeclampsia and identify its potential biomarker.
Methods: Around 20 pregnant women with preeclampsia (preeclampsia group) and 20 normal-term pregnancy (normal group) were collected from 2017 to 2018 in the study. Total protein of placenta tissues was extracted, denaturized, deoxidized, and enzymolyzed. The sample was labeled with isobaric tags for relative and absolute quantitation (iTRAQ) and analyzed with mass spectrum to identify differentially expressed proteins.
Results: There were 37 proteins, which were differentially expressed with significance (P < 0.05). Among them, 17 proteins were upregulated and 20 proteins were downregulated with significance in the placenta of preeclampsia group compared with control group, those proteins may have an induction or protection function during the development of preeclampsia.
Conclusion: iTRAQ technology can effectively screen the differentially expressed proteins in the placenta, which can effectively diagnose the preeclampsia during pregnancy.
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