Article ; Online: Circular RNA circRPS19 promotes chicken granulosa cell proliferation and steroid hormone synthesis by interrupting the miR-218-5p/INHBB axis.
2024 Volume 219, Page(s) 103–115
Abstract: Ovarian follicle development is an important physiological activity for females and makes great significance in maintaining female health and reproduction performance. The development of ovarian follicle is mainly affected by the granulosa cells (GCs), ... ...
Abstract | Ovarian follicle development is an important physiological activity for females and makes great significance in maintaining female health and reproduction performance. The development of ovarian follicle is mainly affected by the granulosa cells (GCs), whose growth is regulated by a variety of factors. Here, we identified a novel circular RNA (circRNA) derived from the Ribosomal protein S19 (RPS19) gene, named circRPS19, which is differentially expressed during chicken ovarian follicle development. Further explorations identified that circRPS19 promotes GCs proliferation and steroid hormone synthesis. Furthermore, circRPS19 was found to target and regulate miR-218-5p through a competitive manner with endogenous RNA (ceRNA). Functionals investigation revealed that miR-218-5p attenuates GCs proliferation and steroidogenesis, which is opposite to that of circRPS19. In addition, we also confirmed that circRPS19 upregulates the expression of Inhibin beta B subunit (INHBB) by binding with miR-218-5p to facilitate GCs proliferation and steroidogenesis. Overall, this study revealed that circRPS19 regulates GCs development by releasing the repression of miR-218-5p on INHBB, which suggests a novel mechanism in respect to circRNA and miRNA regulation in ovarian follicle development. |
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MeSH term(s) | Female ; Animals ; RNA, Circular/genetics ; RNA, Circular/metabolism ; Chickens/genetics ; Chickens/metabolism ; MicroRNAs/genetics ; MicroRNAs/metabolism ; Granulosa Cells/metabolism ; Cell Proliferation ; Steroids/metabolism |
Chemical Substances | RNA, Circular ; MicroRNAs ; Steroids |
Language | English |
Publishing date | 2024-02-23 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 189232-0 |
ISSN | 1879-3231 ; 0093-691X |
ISSN (online) | 1879-3231 |
ISSN | 0093-691X |
DOI | 10.1016/j.theriogenology.2024.02.026 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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