4.5 Article

Observation of increased levels of autophagy-related genes and proteins in women with preeclampsia: a clinical study

Journal

MOLECULAR BIOLOGY REPORTS
Volume -, Issue -, Pages -

Publisher

SPRINGER
DOI: 10.1007/s11033-023-08385-6

Keywords

Autophagy; ATG; Beclin1; LC3B; Preeclampsia

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This study found that autophagy is elevated in women with preeclampsia compared to healthy pregnant women, contradicting some previous studies. Further research is needed to explore the role of autophagy in pre-eclamptic women.
BackgroundPreeclampsia is a type of pregnancy-related disease that is not fully understood underlying mechanisms of it till now. Reported results from autophagy-related studies in PE show some controversial roles of this mechanism in PE development and progression. In this study, we aimed to evaluate the autophagy process in preeclampsia women.Materials and methodsPeripheral blood was taken from 50 preeclampsia women and 50 healthy pregnant women. After PBMC isolation, Total RNA and total protein were extracted from PBMCs to cDNA synthesis and real-time PCR and western blotting, respectively. Atg5, Atg7, beclin1, LC3B, FOXO1, FOXO3a, FOXO4, and FOXO6 genes were evaluated using real-time PCR. Atg5, beclin1, LC3B, and FOXO1 expression at the protein level was evaluated by the western blot technique.ResultsReal-time PCR results showed an increased expression of Atg5, Atg7, beclin1, LC3B, FOXO1, FOXO3a, FOXO4, and FOXO6 genes in PE patients compared to the healthy pregnant women and also in LOPE patients in comparison with EOPE cases. Western blotting results revealed higher expression of Atg5, beclin1, LC3B, and FOXO1 proteins in PE women compared to healthy pregnant group and in LOPE patients in comparison with EOPE cases. Our findings revealed a positive correlation between proteinuria and protein levels of Atg5, beclin1, LC3B, and FOXO1 in LOPE patients.ConclusionOur investigation showed an elevated activation of autophagy in PE women in comparison with healthy pregnant women which is in controversy with some other studies. More targeted and comprehensive studies regarding the relationship of autophagy in pre-eclamptic women are needed.

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