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The miR-27a-3p/USP25 axis participates in the pathogenesis of recurrent miscarriage by inhibiting trophoblast migration and invasion.

Abstract：

:Insufficient invasion ability of trophoblasts might be associated with the development of recurrent miscarriage (RM). Ubiquitin-specific protease 25 (USP25) can regulate the processes of invasion and migration in different types of cancer cells. However, the effect of USP25 on trophoblasts and its roles in the development of RM are unknown. In this study, we first analyzed the USP25 expression in placental villous tissues from RM patients, and then assessed the roles of USP25 in epithelial-to-mesenchymal transition (EMT), invasion and migration of trophoblasts. Furthermore, bioinformatics prediction and luciferase reporter assay were used to explore the mechanism of microRNA on USP25 expression, and regulation of USP25 expression in trophoblasts was assessed following transfection with microRNA mimics or inhibitor. The results showed that the expression of USP25 in the placental villous tissues was downregulated in RM patients. Knockdown of USP25 suppressed the EMT process, the invasion and migration capability of trophoblast cells, while overexpression of USP25 exhibited opposite results. Mechanistically, miR-27a-3p could regulate USP25 expression by binding to the 3'-untranslated region of USP25 in trophoblasts. Quantitative real-time polymerase chain reaction results found the expression of miR-27a-3p were negatively related to USP25 in RM patients. MiR-27a-3p mimics inhibited but miR-27a-3p inhibitor enhanced the migration and invasion capability of trophoblasts. Furthermore, sh-USP25 counteracted the promotion of invasion and migration mediated by the miR-27a-3p inhibitor. Taken together, these data indicate that USP25 downregulation by miR-27a-3p contributes to the EMT process, thereby inhibiting the migration and invasion of trophoblast cells, and these findings might provide potential biomarkers for RM.

journal_name

J Cell Physiol

journal_title

Journal of cellular physiology

authors

Ding J,Cheng Y,Zhang Y,Liao S,Yin T,Yang J

doi

10.1002/jcp.28593

subject

Has Abstract

pub_date

2019-11-01 00:00:00

pages

19951-19963

issue

eissn

0021-9541

issn

1097-4652

journal_volume

234

pub_type

杂志文章

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The miR-27a-3p/USP25 axis participates in the pathogenesis of recurrent miscarriage by inhibiting trophoblast migration and invasion.