MiR-30a-3p Targeting FLT1 Modulates Trophoblast Cell Proliferation in the Pathogenesis of Preeclampsia

被引:7
作者
Wang, Yuping [1 ]
Wang, Lanlan [1 ]
Yu, Xiaoyan [1 ]
Gong, Wenwen [1 ]
机构
[1] Qingdao Univ, Affiliated Yantai Yuhuangding Hosp, Dept Obstet & Gynecol, 20 Yuhuangding East Rd, Yantai 264000, Peoples R China
关键词
cell; steroid hormones; fertility; MICRORNAS; EXPRESSION;
D O I
10.1055/a-1880-1126
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Preeclampsia (PE) may pose significant adverse effects on pregnant women. Dysregulation of angiogenesis, trophoblast invasion, and proliferation are known to be associated with PE development and progression. Fms related tyrosine kinase 1 (FLT1), an anti-angiogenic factor, is consistently upregulated in PE patients. Recent papers highlight that aberrant miR-30a-3p expression contributes to PE development. More effects are needed to assess the biological function of placental miR-30a-3p in PE. The soluble FLT1 (sFLT1) and FLT1 levels were tested by ELISA assay and Western blotting assay. mRNA levels were measured by RT-qPCR assay. Colony formation and MTT assays were applied to assess the effect of miR-30a-3p on trophoblast cell proliferation. The serum sFLT1 and placental FLT1 levels were substantially high in patients with PE. Using miRNA microarray assay, we identified miR-30a-3p upregulation in PE patients' placenta tissues. We further confirmed that miR-30a-3p binds to the 3 '-UTR of FLT1 gene and positively regulate its expression. Forcing miR-30a-3p expression inhibited trophoblast cell proliferation and vice versa. In conclusion, persistent high levels of FLT1 and miR-30a-3p may pose adverse effects on angiogenesis and trophoblast proliferation in placenta of PE patients. Therefore, targeting FLT1 and miR-30a-3p may serve as ideal strategies for managing patients with PE.
引用
收藏
页码:633 / 640
页数:8
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