Mediating Proteins Linking Mitochondrial DNA and Dementia
Author Information
Author(s): Tian Teresa, Zweibaum David, Qian Yong, Pilling Luke, Ding Jun, Ferrucci Luigi
Primary Institution: National Institute on Aging
Hypothesis
Identifying proteins that mediate the relationship between mitochondrial DNA copy number and dementia risk may provide mechanistic insights.
Conclusion
The study identified 57 proteins that mediate the relationship between mitochondrial DNA copy number and dementia risk, suggesting a biological link.
Supporting Evidence
- 57 mediating proteins for all-cause dementia were identified.
- The study followed participants for an average of 13.2 years.
- 2.6% of participants developed all-cause dementia during the follow-up.
- Four proteins also mediated the relationship between mitochondrial DNA and cognitive impairment.
Takeaway
Scientists found that certain proteins in the blood might help explain how mitochondrial DNA is connected to dementia.
Methodology
Mediation analyses of 2,917 proteins were performed using the Olink platform in the UK Biobank.
Limitations
The study is observational and may not establish causation.
Participant Demographics
Participants were initially free of dementia with a mean age of 57 years.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website