ArticlemedRxiv : the preprint server for health sciences2026
Peripheral Mitochondrial Energetics are Associated with Cortical Neurophysiological Alterations in Alzheimer's Disease.
Article in medRxiv : the preprint server for health sciences, 2026. 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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6 authors.
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Abstract
Alzheimer's disease is associated with both mitochondrial dysfunction and altered neurophysiological signalling. Peripheral measures of mitochondrial respiration have been established as effective predictors of mitochondrial function in the healthy brain, and more recently, of altered brain signalling in clinical groups. Here, we sought to assess whether peripheral mitochondrial energetics are associated with altered neural signalling in Alzheimer's disease. We collected task-free magnetoencephalography (MEG) from individuals on the Alzheimer's disease continuum (69.21 [6.91] years; n = 38) and cognitively normal older adults (72.20 [4.73] years; n = 20). Each participant also provided a blood sample for analysis of mitochondrial respiration using the Seahorse XF96 Analyzer. We used region-wise linear models to test the relationship between ATP-linked mitochondrial respiration and Alzheimer's disease-associated neurophysiological changes. We found that mitochondrial respiration linked to ATP production is associated with altered alpha and theta band cortical rhythms in Alzheimer's disease (α:
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