Preeclampsia (PE) is a high morbidity and lethality disease specific to pregnancy, and insufficient placental trophoblast invasion acts as a crucial factor contributing to PE development. The present study investigated the function and potential mechanism of microRNA (miR)-224-5p within PE. In the study, miR-224-5p expression was reduced within placental tissue samples of the PE mouse model and PE cell model. Restoration of miR-224-5p expression markedly inhibited ROS levels and ferroptosis, lowered blood pressure in pregnant mice, increased the live birth rate, and enhanced trophoblast cell proliferation and invasion as well as suppressed their apoptosis. miR-224-5p could target and suppress PANX1, and overexpression of PANX1 could significantly advance ferroptosis and cause trophoblast dysfunction, a process that might be relieved via restoring miR-224-5p expression. In conclusion, miR-224-5p/PANX1 ameliorates trophoblast dysfunction by inhibiting ferroptosis, which provides a potential new option for clinical treatment of PE.
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View Article and Find Full Text PDFmiR-224-5p alleviates preeclampsia-like mouse symptoms by targeting PANX1 to inhibit ferroptosis in trophoblast cells.
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Preeclampsia (PE) is a high morbidity and lethality disease specific to pregnancy, and insufficient placental trophoblast invasion acts as a crucial factor contributing to PE development. The present study investigated the function and potential mechanism of microRNA (miR)-224-5p within PE. In the study, miR-224-5p expression was reduced within placental tissue samples of the PE mouse model and PE cell model.
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