Journal
BIOLOGY OF REPRODUCTION
Volume 101, Issue 2, Pages 416-425Publisher
OXFORD UNIV PRESS INC
DOI: 10.1093/biolre/ioz100
Keywords
lncRNA; miRNA sponge; FSH; pituitary; animal reproduction
Categories
Funding
- National Natural Science Foundation of China [31872349]
- Science and Technology Project of Jilin Province [20190201166JC]
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Long noncoding RNAs (lncRNAs) are important regulators that have multiple functions in a variety of biological processes. However, the contributions of lncRNAs to follicle-stimulating hormone (FSH) secretion remain largely unknown. In this study, we first identified a novel lncRNA, lncRNA-m433s1, as an intergenic lncRNA located in the cytoplasm. We next used MS2-RIP assays to demonstrate that lncRNA-m433s1 interacted with miR-433. Furthermore, we detected the levels of lncRNA-m433s1, miR-433, and Fsh beta expression, FSH concentrations, and apoptosis upon over-expression and knockdown of lncRNA-m433s1, revealing that lncRNA-m433s1 upregulated Fsh beta expression. Globally, lncRNA-m433s1 reduced the inhibitory effect of miR-433 on Fsh beta and further regulated FSH secretion as a competing endogenous RNA (ceRNA) by sponging miR-433. This ceRNA model will provide novel insight into the regulatory mechanisms of lncRNAs associated with rat reproduction. Summary Sentence A regulatory mechanism of lncRNA in rat anterior pituitary cell which was that lncRNA-m433s1 reduced the inhibitory effect of miR-433 on Fsh beta and further regulated FSH secretion by acting as a ceRNA to sponge miR-433.
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