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Identification of Parkinson's disease-related pathways and potential risk factors.


ABSTRACT: OBJECTIVE:To identify Parkinson's disease (PD)-associated deregulated pathways and genes, to further elucidate the pathogenesis of PD. METHODS:Dataset GSE100054 was downloaded from the Gene Expression Omnibus, and differentially expressed genes (DEGs) in PD samples were identified. Functional enrichment analyses were conducted for the DEGs. The top 10 hub genes in the protein-protein interaction (PPI) network were screened out and used to construct a support vector machine (SVM) model. The expression of the top 10 genes was then validated in another dataset, GSE46129, and a clinical patient cohort. RESULTS:A total of 333 DEGs were identified. The DEGs were clustered into two gene sets that were significantly enriched in 12 pathways, of which 8 were significantly deregulated in PD, including cytokine-cytokine receptor interaction, gap junction, and actin cytoskeleton regulation. The signature of the top 10 hub genes in the PPI network was used to construct the SVM model, which had high performance for predicting PD. Of the 10 genes, GP1BA, GP6, ITGB5, and P2RY12 were independent risk factors of PD. CONCLUSION:Genes such as GP1BA, GP6, P2RY12, and ITGB5 play critical roles in PD pathology through pathways including cytokine-cytokine receptor interaction, gap junctions, and actin cytoskeleton regulation.

SUBMITTER: Shen J 

PROVIDER: S-EPMC7543192 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Identification of Parkinson's disease-related pathways and potential risk factors.

Shen Jun J   Chen Xiao-Chang XC   Li Wang-Jun WJ   Han Qiu Q   Chen Chun C   Lu Jing-Min JM   Zheng Jin-Yu JY   Xue Shou-Ru SR  

The Journal of international medical research 20201001 10


<h4>Objective</h4>To identify Parkinson's disease (PD)-associated deregulated pathways and genes, to further elucidate the pathogenesis of PD.<h4>Methods</h4>Dataset GSE100054 was downloaded from the Gene Expression Omnibus, and differentially expressed genes (DEGs) in PD samples were identified. Functional enrichment analyses were conducted for the DEGs. The top 10 hub genes in the protein-protein interaction (PPI) network were screened out and used to construct a support vector machine (SVM) m  ...[more]

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