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- Title
Prolactin-Responsive Circular RNA circHIPK3 Promotes Proliferation of Mammary Epithelial Cells from Dairy Cow.
- Authors
Liu, Jia; Zhang, MoLan; Li, DeWei; Li, MengLu; Kong, LingHao; Cao, MengWen; Wang, YanHong; Song, ChengChuang; Fang, XingTang; Chen, Hong; Xu, Hu; Zhang, ChunLei
- Abstract
The highly expressed circHIPK3 is a circular RNA that has been previously reported to regulate the growth of human cells. In this study, we found an increased expression of circHIPK3 in bovine mammary epithelial cells treated with prolactin (PRL) in high-throughput sequencing data. Thus, we further investigated the effect of circHIPK3 on the proliferation and differentiation of mammary epithelial cells. We used qRT-PCR/Cell Counting Kit-8 (CCK-8) and a Western blotting analysis to evaluate the effects on cell proliferation. We found that circHIPK3 promotes the proliferation of mammary epithelial cells. The STAT5 signaling pathway was previously associated with the prolactin response and when the STAT5 was suppressed, the expression of circHIPK3 decreased. The results suggest that the response to prolactin and the associated STAT5 signaling pathway affect the expression of circHIPK3, which subsequently affects the proliferation of mammary epithelial cells in dairy cows.
- Subjects
PROLACTIN; EPITHELIAL cells; CIRCULAR RNA; WESTERN immunoblotting; COWS; HUMAN growth; DAIRY farms
- Publication
Genes, 2020, Vol 11, Issue 3, p336
- ISSN
2073-4425
- Publication type
Article
- DOI
10.3390/genes11030336