Bibliographic Details
| Title: |
circARID1A Inhibits Tail Fat Cell Differentiation in Guangling Large-Tailed Sheep by Regulating the miR-493-3p/YTHDF2 Axis. |
| Authors: |
Shen, Yan1 (AUTHOR), Liang, Yu1 (AUTHOR), Yuan, Zikun1 (AUTHOR), Qiao, Liying1 (AUTHOR), Liu, Jianhua1 (AUTHOR), Pan, Yangyang1 (AUTHOR), Yang, Kaijie1 (AUTHOR), Liu, Wenzhong1 (AUTHOR) wenzhongliu@sxau.edu.cn |
| Source: |
International Journal of Molecular Sciences. Nov2024, Vol. 25 Issue 22, p12351. 18p. |
| Subject Terms: |
*LENTIVIRUS diseases, *DACTINOMYCIN, *CELL differentiation, *MEAT quality, *WESTERN immunoblotting |
| Abstract: |
The Guangling Large-Tailed sheep is renowned for its unique tail fat deposition, with a significant proportion of its total body fat being localized in the tail region. Fat deposition is a complex biological process regulated by various molecular mechanisms. Our previous studies have identified a large number of differentially expressed circular RNAs (circRNAs) in the tail adipose tissue of the Guangling Large-Tailed sheep. These circRNAs may play a pivotal role in the process of fat deposition. Given the potential regulatory functions of circRNAs in adipose metabolism, investigating their roles in tail fat deposition is of significant scientific importance. In this study, we identified novel circARID1A. Using various experimental methods, including lentivirus infection, RNase R treatment, actinomycin D assay, qPCR, western blotting, and dual-luciferase reporter assays, we determined that circARID1A inhibits the expression of miR-493-3p through competitive binding, thereby regulating adipocyte differentiation. Further research revealed that miR-493-3p promotes adipocyte differentiation by targeting YTH domain family 2 (YTHDF2), and this regulatory effect is also influenced by circARID1A. In conclusion, our findings suggest that circARID1A inhibits tail fat cell differentiation in the Guangling Large-Tailed sheep through the circARID1A/miR-493-3p/YTHDF2 axis, providing theoretical support for improving meat quality and fat deposition in sheep. [ABSTRACT FROM AUTHOR] |
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