Investigating Mediators of Systemic Mitochondrial Bioenergetics in Cognitive Impairment and Alzheimer’s Disease
2024

Investigating Mitochondrial Function in Alzheimer's Disease

publication

Author Information

Author(s): Mahapatra Gargi, Bergstrom Jaclyn, Pinto Antonio Michel, Diedrich Jolene, Craft Suzanne, Molina Anthony

Primary Institution: University of California San Diego

Hypothesis

The study investigates lipid metabolites that are differently expressed across different stages of cognitive impairment.

Conclusion

The study found that fatty acid concentrations vary significantly across cognitive impairment stages, which may help in developing approaches for Alzheimer's disease.

Supporting Evidence

  • Peripheral blood mononuclear cell and platelet mitochondrial bioenergetic capacities are lower in older adults with Alzheimer's disease.
  • 9 fatty acids showed higher concentrations in mild cognitive impairment than in normal cognition and dementia.
  • Pathway analyses identified fatty acid biosynthesis and metabolism as impacted pathways across cognitive groups.

Takeaway

This study looks at how certain fats in the blood change when people have different levels of memory problems, which could help doctors find new ways to treat Alzheimer's.

Methodology

Targeted lipidomics analyzed 51 fatty acids in PBMCs and platelets of older adults with normal cognition, mild cognitive impairment, and Alzheimer's dementia.

Participant Demographics

Older adults with normal cognition, mild cognitive impairment, and Alzheimer's dementia.

Digital Object Identifier (DOI)

10.1093/geroni/igae098.2982

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