| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Luo, Jing Li, Haiyan Liu, Zhenwei Li, Chenlu Wang, Ruochen Fang, Jinxia Lu, Saisai Guo, Jing Zhu, Xiaochun Wang, Xiaobing |
| Abstract | Background Pulmonary arterial hypertension (PAH) is a life-threatening condition. The aim of this study was to explore potential crucial genes and pathways associated with PAH based on integrative analyses of gene expression and to shed light on the identification of biomarker for PAH. Methods Gene expression profile of pulmonary tissues from 27 PAH patients and 22 normal controls were downloaded from public database (GSE53408 and GSE113439). After the identification of differentially expressed genes (DEGs), hub pathways and genes were identified based on the comprehensive evaluation of protein-protein interaction (PPI) network analysis, modular analysis and cytohubba’s analysis, and further validated in another PAH transcriptomic dataset (GSE33463). Potentially associated micro-RNAs (miRNAs) were also predicted. Results A total of 521 DEGs were found between PAH and normal controls, including 432 up-regulated DEGs and 89 down-regulated DEGs. Functional enrichment analysis showed that these DEGs were mainly enriched in mitotic cell cycle process, mitotic cell cycle and microtubule cytoskeleton organization. Moreover, five key genes (CDK1, SMC2, SMC4, KIF23, and CENPE) were identified and then further validated in another transcriptomic dataset associated with special phenotypes of PAH. Furthermore, these hub genes were mainly enriched in promoting mitotic cell cycle process, which may be closely associated with the pathogenesis of PAH. We also found that the predicted miRNAs targeting these hub genes were found to be enriched in TGF-β and Hippo signaling pathway. Conclusion These findings are expected to gain a further insight into the development of PAH and provide a promising index for the detection of PAH. |
| Related Links | https://bmcmedgenomics.biomedcentral.com/counter/pdf/10.1186/s12920-020-00740-x.pdf |
| Ending Page | 14 |
| Page Count | 14 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 17558794 |
| DOI | 10.1186/s12920-020-00740-x |
| Journal | BMC Medical Genomics |
| Issue Number | 1 |
| Volume Number | 13 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2020-06-26 |
| Access Restriction | Open |
| Subject Keyword | Human Genetics Microarrays Gene Expression Pulmonary arterial hypertension Differentially expressed gene Functional enrichment analysis Protein-protein interaction network miRNAs |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics (clinical) Genetics |
| Journal Impact Factor | 2.1/2023 |
| 5-Year Journal Impact Factor | 2.5/2023 |
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