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1.
  • Scott, G. D., et al. (författare)
  • Fluid and Tissue Biomarkers of Lewy Body Dementia: Report of an LBDA Symposium
  • 2022
  • Ingår i: Frontiers in Neurology. - : Frontiers Media SA. - 1664-2295. ; 12
  • Tidskriftsartikel (refereegranskat)abstract
    • The Lewy Body Dementia Association (LBDA) held a virtual event, the LBDA Biofluid/Tissue Biomarker Symposium, on January 25, 2021, to present advances in biomarkers for Lewy body dementia (LBD), which includes dementia with Lewy bodies (DLBs) and Parkinson's disease dementia (PDD). The meeting featured eight internationally known scientists from Europe and the United States and attracted over 200 scientists and physicians from academic centers, the National Institutes of Health, and the pharmaceutical industry. Methods for confirming and quantifying the presence of Lewy body and Alzheimer's pathology and novel biomarkers were discussed.
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  • Rieckmann, Anna, et al. (författare)
  • Putamen-midbrain functional connectivity is related to striatal dopamine transporter availability in patients with Lewy body diseases
  • 2015
  • Ingår i: NeuroImage. - : Elsevier. - 2213-1582. ; 8, s. 554-559
  • Tidskriftsartikel (refereegranskat)abstract
    • Prior work has shown that functional connectivity between the midbrain and putamen is altered in patients with impairments in the dopamine system. This study examines whether individual differences in midbrain-striatal connectivity are proportional to the integrity of the dopamine system in patients with nigrostriatal dopamine loss (Parkinson's disease and dementia with Lewy bodies). We assessed functional connectivity of the putamen during resting state fMRI and dopamine transporter (DAT) availability in the striatum using 11C-Altropane PET in twenty patients. In line with the hypothesis that functional connectivity between the midbrain and the putamen reflects the integrity of the dopaminergic neurotransmitter system, putamen-midbrain functional connectivity was significantly correlated with striatal DAT availability even after stringent control for effects of head motion. DAT availability did not relate to functional connectivity between the caudate and thalamus/prefrontal areas. As such, resting state functional connectivity in the midbrain-striatal pathway may provide a useful indicator of underlying pathology in patients with nigrostriatal dopamine loss.
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