Circular RNA circSLC26A4 Accelerates Cervical Cancer Progression via miR-1287-5p/HOXA7 Axis

被引：89

作者：

Ji, Fei ^{[1
,2
]}

Du, Rong ^{[3
]}

Chen, Tianfeng ^{[4
]}

Zhang, Meng ^{[3
]}

Zhu, Yuanfang ^{[1
]}

Luo, Xin ^{[5
]}

Ding, Yan ^{[3
]}

机构：

[1] Jinan Univ, Affiliated Shenzhen Baoan Womens & Childrens Hosp, Shenzhen 518133, Peoples R China

[2] Jinan Univ, Clin Med Coll 1, Guangzhou 510630, Peoples R China

[3] Xinjiang Med Univ, Dept Gynecol, Affiliated Hosp 1, Urumqi 830000, Peoples R China

[4] Jinan Univ, Guangzhou 510630, Peoples R China

[5] Jinan Univ, Dept Gynecol, Affiliated Hosp 1, Guangzhou 510630, Peoples R China

来源：

MOLECULAR THERAPY-NUCLEIC ACIDS | 2020年 / 19卷

基金：

中国国家自然科学基金;

关键词：

biogenesis; cervical cancer; circSLC26A4; quaking;

D O I：

10.1016/j.omtn.2019.11.032

中图分类号：

R-3 [医学研究方法]; R3 [基础医学];

学科分类号：

100103 [病原生物学]; 100218 [急诊医学];

摘要：

Circular RNAs (circRNAs) are group of noncoding RNAs derived from back-splicing events. Accumulating evidence certifies the critical roles of circRNAs in human tumorigenesis. However, the role and biogenesis of circRNAs in cervical cancer are still unclear. Here, a novel identified circRNA, circSLC26A4, was found to be upregulated in cervical cancer tissue and cells. Clinically, the high expression of circSLC26A4 was related to the poor survival of cervical cancer patients. Functionally, cellular experiments indicated that circSLC26A4 knockdown repressed the proliferation, invasion, and tumor growth in vitro and in vivo. Furthermore, circSLC26A4 acted as the sponge of miR-1287-5p; moreover, miR-1287-5p targeted the 3' UTR of HOXA7 mRNA. Mechanistically, RNA binding protein (RBP) quaking (QKI) was identified to interact with the QKI response elements (QREs) in SLC26A4 gene introns, thereby promoting circSLC26A4 biogenesis. In conclusion, these findings demonstrate that circSLC26A4 facilitates cervical cancer progression through the QKI/ circSLC26A4/miR-1287-5p/HOXA7 axis, which might bring novel therapeutic strategies for cervical cancer.

引用

页码：413 / 420

页数：8

共 33 条

[1]

Circular RNAs in Cancer [J].