ArticleAmerican journal of translational research2025
Role of the PSMC1 gene in the pathological progression of Parkinson's disease.
Article in American journal of translational research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo explore the association between Parkinson's disease (PD) and the expression of ubiquitin-related proteins, and to elucidate its potential significance.
methodsDifferential expression analyses were performed using the GSE20141, GSE7621, and GSE20164 datasets to identify and intersect differentially expressed genes (DEGs). Functional enrichment analyses were conducted to further explore the biological significance of these DEGs. C57BL/6J mice were randomly divided into either a PD model group or a control group. Behavioral performance on the balance beam test and the expression levels of PSMC1, α-syn, UCH-1, and Parkin in the substantia nigra were compared between groups.
resultsGene overlap analysis across the three datasets identified 25 core DEGs, among which PSMC1 was the only ubiquitin-proteasome system (UPS)-related gene. Compared with the controls, the number of paw slips from balance beam in the model group significantly increased after 3, 6, and 10 modeling sessions (P<0.05). The mRNA expression levels of PSMC1, UCH-1, and Parkin in the substantia nigra of the model group mice significantly decreased (P<0.05), whereas the mRNA expression of α-syn significantly increased (P<0.05).
conclusionsIntegrating bioinformatics with experimental verification, this study confirms that dysregulation of key UPS genes-particularly PSMC1-is closely related to the pathological process of PD.
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