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- Title
Bioinformatics gene analysis for potential biomarkers and therapeutic targets of Parkinson's disease based on neutrophil extracellular traps.
- Authors
Qiang Wang; Youquan Gu; Jun Chen; Xiaoyan Liu; Chen Xie; Xueping Wang
- Abstract
Introduction: Neutrophil extracellular traps (NETs) provide key innate immune mechanisms, and studies have shown innate immunity and adaptive immunity are directly linked to Parkinson's disease (PD) pathology. However, limited research has been conducted on NETs in the context of PD. Methods: A differential analysis was implemented to acquire differentially expressed genes (DEGs) between PD and control as well as between high- and low-score groups determined by a gene set variation analysis (GSVA). Then, the genes within the critical module, obtained through a weighted gene coexpression network analysis (WGCNA), were intersected with the DEGs to identify the overlapping genes. Then, five kinds of algorithms in the protein-protein interaction (PPI) were performed to identify potential biomarkers. Subsequently, a nomogram for forecasting PD probability was created. An enrichment analysis and an immune infiltration analysis were performed on the identified biomarkers. qRT-PCR was performed to validate the expression trends of three biomarkers. Results: We revealed 798 DEGs between PD and control groups as well as 168 DEGs between high- and low-score groups obtained by differential analyses. The pink module containing 926 genes was identified as the critical module. According to the intersection of these gene sets, a total of 43 overlapping genes were screened out. Furthermore, GPR78, CADM3, and CACNA1E were confirmed as biomarkers. Moreover, we found that biomarkers mainly participated in pathways, such as the 'hydrogen peroxide catabolic process', and 'cell cycle'; five kinds of differential immune cells between PD and control groups were identified. Finally, the qRT-PCR analysis demonstrated the up-regulation of GPR78, CADM3, and CACNA1E in the PD group. Discussion: Our study authenticated GPR78, CADM3, and CACNA1E as the biomarkers associated with PD. These findings provide an original reference for the diagnosis and treatment of PD.
- Subjects
PARKINSON'S disease diagnosis; PARKINSON'S disease treatment; RESEARCH funding; T-test (Statistics); DATA analysis; NEUTROPHILS; REVERSE transcriptase polymerase chain reaction; IMMUNE system; CELLULAR signal transduction; MANN Whitney U Test; BIOINFORMATICS; GENES; STATISTICS; EXTRACELLULAR space; DATA analysis software; BIOMARKERS
- Publication
Frontiers in Aging Neuroscience, 2024, p1
- ISSN
1663-4365
- Publication type
Article
- DOI
10.3389/fnagi.2024.1388226