Objective: The aim of this study is to investigate the association between Cathepsin B and Parkinson’s Disease (PD), with a particular focus on determining the role of N-acetylaspartate as a potential mediator. Methods: We used summary-level data from Genome-Wide Association Studies (GWAS) for a two-sample Mendelian randomization (MR) analysis, exploring the association between Cathepsin B (3301 cases) and PD (4681 cases). A sequential two-step MR approach was applied (8148 cases) to study the role of N-acetylaspartate. Results: The MR analysis yielded that genetically predicted elevated Cathepsin B levels correlated with a reduced risk of developing PD (p = 0.0133, OR: 0.9171, 95% CI: 0.8563–0.9821). On the other hand, the analysis provided insufficient evidence to determine that PD affected Cathepsin B levels (p = 0.8567, OR: 1.0035, 95% CI: 0.9666–1.0418). The estimated effect of N-acetylaspartate in this process was 7.52% (95% CI = −3.65% to 18.69%). Conclusions: This study suggested that elevated Cathepsin B levels decreased the risk of developing PD, with the mediation effect of N-acetylaspartate. Further research is needed to better understand this relationship.
Exploring the Association between Cathepsin B and Parkinson’s Disease
Tommaso Ercoli;Carla Masala;Paolo Solla
2024-01-01
Abstract
Objective: The aim of this study is to investigate the association between Cathepsin B and Parkinson’s Disease (PD), with a particular focus on determining the role of N-acetylaspartate as a potential mediator. Methods: We used summary-level data from Genome-Wide Association Studies (GWAS) for a two-sample Mendelian randomization (MR) analysis, exploring the association between Cathepsin B (3301 cases) and PD (4681 cases). A sequential two-step MR approach was applied (8148 cases) to study the role of N-acetylaspartate. Results: The MR analysis yielded that genetically predicted elevated Cathepsin B levels correlated with a reduced risk of developing PD (p = 0.0133, OR: 0.9171, 95% CI: 0.8563–0.9821). On the other hand, the analysis provided insufficient evidence to determine that PD affected Cathepsin B levels (p = 0.8567, OR: 1.0035, 95% CI: 0.9666–1.0418). The estimated effect of N-acetylaspartate in this process was 7.52% (95% CI = −3.65% to 18.69%). Conclusions: This study suggested that elevated Cathepsin B levels decreased the risk of developing PD, with the mediation effect of N-acetylaspartate. Further research is needed to better understand this relationship.File | Dimensione | Formato | |
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Lu et al., 2024 brainsci-14-00482.pdf
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