volume 28, issue 4, P771-781 2012
DOI: 10.3233/jad-2011-111487
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Abstract: Impaired brain energy production, reflected by reduced cortical glucose metabolism seen on 2-FDG PET scans, has emerged as a robust biomarker of mild cognitive impairment (MCI). Progression from MCI to Alzheimer's disease (AD) shows further decline of cortical 2-FDG uptake, implying worsening bioenergetics. We characterized respiration, respiratory protein levels, and gene expressions for mitochondrial DNA (mtDNA), mitochondrial biogenesis, and antioxidative signaling in preparations from postmortem AD and con…

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