The aberrantly expressed long non‐coding RNA in the substantia nigra and corpus striatum of Nrf2‐knockout mice

黑质 纹状体 生物 长非编码RNA 神经科学 核糖核酸 基因 多巴胺 遗传学 多巴胺能
作者
Jian Liu,Yali Xu,Yunxiao Kang,Shanhu Cao,Geming Shi,Huixian Cui,Shaoguang Sun,Lei Wang
出处
期刊:Journal of Neurochemistry [Wiley]
卷期号:143 (1): 65-75 被引量:11
标识
DOI:10.1111/jnc.14141
摘要

Nuclear factor erythroid 2 like 2 (Nrf2) functions as a neuroprotective agent in Parkinson's disease (PD). This study aimed to investigate the key long non-coding RNAs (lncRNAs) correlated with Nrf2, which might provide valuable information for the exploration of pathogenesis of PD. The lncRNA and mRNA expression profiling of substantia nigra and corpus striatum of Nrf2 (-/-) mice model was obtained from microarray analysis. The animal experiments conducted for this study were approved by the ethics committee of Hebei Medical University. Bioinformatics analyses were conducted, including differentially expressed lncRNAs/mRNA (differentially expressed lncRNA, DEL/differentially expressed mRNA, DEM) identification, DEL-DEM coexpression network construction, and biological functions prediction. Quantitative real-time polymerase chain reaction (qRT-PCR) was subjected to validate abnormally expressed DELs and DEMs in the substantia nigra and corpus striatum of Nrf2 (-/-) mice model. A total of 48 DELs (37 down-regulated and 11 up-regulated) were identified both in Nrf2 (-/-) substantia nigra and corpus striatum; 96 DEMs and 643 DEMs were identified in the substantia nigra and corpus striatum, respectively. DEL-DEM coexpressed network was constructed. LncRNA AK076880, AK036620, and AK020330 had high connectivity with DEMs both in the substantia nigra and corpus striatum. These DEMs were significantly enriched in signaling pathways such as the calcium signaling pathway, Huntington's disease, Alzheimer's disease, mitogen-activated protein kinase (MAPK) signaling pathway, and the Wnt signaling pathway. Generally, qRT-PCR validation results of selected DEMs and DELs were consistent with microarray data. The dysregulated DELs and DEMs in the substantia nigra and corpus striatum of Nrf2 (-/-) mice were identified. Our results might provide useful information for further exploring the pathogenesis mechanism of PD.
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