Circ-8073 regulates CEP55 by sponging miR-449a to promote caprine endometrial epithelial cells proliferation via the PI3K/AKT/mTOR pathway

被引：49

作者：

Liu, Xiaorui ^{[1
]}

Zhang, Lei ^{[1
]}

Liu, Yuexia ^{[1
]}

Cui, Jiuzeng ^{[1
]}

Che, Sicheng ^{[1
]}

An, Xiaopeng ^{[1
]}

Song, Yuxuan ^{[1
]}

Cao, Binyun ^{[1
]}

机构：

[1] Northwest A&F Univ, Coll Anim Sci & Technol, 22 Xinong Rd, Yangling 712100, Shaanxi, Peoples R China

来源：

BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH | 2018年 / 1865卷 / 08期

关键词：

Circ-8073; miR-449a; CEP55; Endometrial epithelial cells (EECs); Endometrial receptivity; Dairy goat; RNA PROFILING REVEALS; LONG NONCODING RNA; PROTEIN; 55; CEP55; CENTROSOMAL PROTEIN; SIGNALING PATHWAY; EXPRESSION; FOXM1; IDENTIFICATION; APOPTOSIS; GROWTH;

D O I：

10.1016/j.bbamcr.2018.05.011

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Circular RNAs (circRNAs) are a large class of endogenous non-coding RNAs that function as regulators in various cells and tissues. Here, the function and mechanism of circRNA8073 (Circ-8073) on endometrial epithelial cells (EECs) and the development of endometrial receptivity were investigated in dairy goats. Circ-8073 could bind to and inhibit miR-449a activity. Circ-8073 binding to the target site of miR-449a had a negative feedback relationship. Centrosomal protein55 (CEP55) was a direct target gene of miR-449a, and Circ-8073 could increase the expression levels of CEP55 by sponging miR-449a in EECs in vitro. Circ-8073/miR-449a/CEP55 could promote EECs proliferation via the PI3K/AKT/mTOR pathway. In addition, CEP55 could regulate the expression levels of vascular endothelial growth factor (VEGF) and forkhead box Ml (FOXM1) in EECs, which contributed to the development of endometrial receptivity. These findings showed that Circ-8073 regulated CEP55 by sponging miR-449a to promote EEC proliferation via the PI3K/AKT/mTOR pathway, suggesting that it could function as a regulator in the development of endometrial receptivity in dairy goats.

引用

页码：1130 / 1147

页数：18

共 69 条

[11] Cdk1/Erk2- and Plk1-dependent phosphorylation of a centrosome protein, Cep55, is required for its recruitment to midbody and cytokinesis [J].