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LncRNAs down-regulate Myh1, Casr, and Mis18a expression in the Substantia Nigra of aged male rats.


ABSTRACT: In this study, we used high-throughput RNA sequencing to identify mRNAs, long non-coding RNAs (lncRNAs) and circular RNAs (circRNAs) that are differentially expressed in the Substantia Nigra (SN) of aged and young rats. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway analyses were used to perform functional annotation of mRNAs that were either differentially expressed themselves (DEMs), targeted by differentially expressed lncRNAs (DELs), or the parents of differentially expressed circRNAs (DECs). A total of 112 DEMs, 163 DELs, and 98 DECs were found in the SN of aged rats. The down-regulated lncRNA NONRATT010417.2 targeted the down-regulated mRNA Myh1, while the down-regulated lncRNA NONRATT015586.2 and the up-regulated lncRNAs NONRATT000490.2 and NONRATT007029.2 all targeted the down-regulated mRNAs Casr and Mis18a. Western blots and RT-qPCR revealed that Myh1, Casr, and Mis18a protein and mRNA expression were significantly reduced in aged rats compared to young rats. This study improves our understanding of the transcriptional alterations underlying aging-related changes in the SN and provides a foundation for future studies of associated molecular mechanisms.

SUBMITTER: Zhang G 

PROVIDER: S-EPMC6814601 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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LncRNAs down-regulate Myh1, Casr, and Mis18a expression in the Substantia Nigra of aged male rats.

Zhang Guoliang G   Kang Yunxiao Y   Feng Xu X   Cui Rui R   Guo Qiqing Q   Ji Xiaoming X   Huang Yuanxiang Y   Ma Yannan Y   Liu Shufeng S   Shi Geming G  

Aging 20191002 19


In this study, we used high-throughput RNA sequencing to identify mRNAs, long non-coding RNAs (lncRNAs) and circular RNAs (circRNAs) that are differentially expressed in the Substantia Nigra (SN) of aged and young rats. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway analyses were used to perform functional annotation of mRNAs that were either differentially expressed themselves (DEMs), targeted by differentially expressed lncRNAs (DELs), or the parents of differentially expres  ...[more]

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