Why diabetes matters in dementia studies. Excluding diabetes status masks regional mitochondrial DNA copy number changes in human hippocampus, amygdala, and cerebellum in Alzheimers disease
Aakruti Arun Kaikini, Anqi Shi, Paul T. Francis, Russell Howard Swerdlow, Claire Troakes, Jaimee Kennedy, Alan Hodgkinson, Afshan N. Malik
The paper shows that diabetes status affects mitochondrial DNA copy number changes in AD brain regions, with non-diabetic AD cases showing reduced mtDNA-CN and diabetic cases showing increased mtDNA-CN.
bioRxiv · Jun 8, 2026 · PreprintNeuroscience