文献类型： 外文期刊
作者： Wang, Zhang 1 ; Xu, HaiDong 1 ; Li, Ting 1 ; Wu, Jiang 1 ; An, LiLong 1 ; Zhao, ZhiHui 1 ; Xiao, Mei 1 ; Adu-Asiamah, Pat 1 ;
作者机构： 1.GuangDong Ocean Univ, Agr Coll, Rd Haida 1, Zhanjiang 524088, Peoples R China
2.South China Agr Univ, Guangdong Prov Key Lab Agroanim Genom & Mol Breed, Minist Agr, Guangzhou, Guangdong, Peoples R China
3.South China Agr Univ, Key Lab Chicken Genet Breeding & Reprod, Minist Agr, Guangzhou, Guangdong, Peoples R China
关键词： Growth hormone receptor; Natural antisense transcript; Stability; Double strand RNA
期刊名称：GENE （ 影响因子：3.688； 五年影响因子：3.329 ）
ISSN： 0378-1119
年卷期： 2019 年 682 卷
页码：
收录情况： SCI
摘要： An increasing number of evidences indicated that long noncoding RNAs (LncRNAs) regulate a variety of biological progresses via different mechanisms. Our previous study had identified a chicken growth hormone receptor (GHR) antisense transcript (GHR-AS) which regulated GHR sense transcript (GHR-S) in LMH cells. In the present study, roles of GHR-AS and its regulatory mechanism were analyzed in chicken hepatocytes. The expression patterns of liver GHR-S, GHR-AS and Let-7b ascended with the development of chicken. The hepatocytes proliferation was promoted and more cells entered into DNA synthesis (S) phase when GHR-AS was over expressed while the cell proliferation was slowed and fewer cells were in S phase when GHR-AS was interfered. Meanwhile, the GHR-S increased when we overexpressed GHR-AS while it reduced when GHR-AS was inhibited. The S1 Nuclease protection assay indicated that GHR-S and GHR-AS formed RNA duplex via GHR-S 3' untranslation regon (3'UTR). In hepatocytes or LMH cells, the half-time of GHR-S showed a delayed trend when GHR-AS or GHR-AS 5' untranslation regon (5'UTR) was overexpressed. Furthermore, the level of GHR-S can be decreased by Let-7b mimics whereas it was partially rescued when co-transfected pGHR-AS or pGHR-AS 5'UTR with Let-7b mimics. Based on our findings, GHR-AS affected hepatocytes proliferation and improved GHR-S stability possibly by forming RNA duplex between GHR-S and GHR-AS, competing with Let-7b.
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