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Nat Commun
January 2025
Neurochemistry Laboratory, Department of Laboratory Medicine, Amsterdam Neuroscience, VU University Medical Center, Amsterdam UMC, Amsterdam, The Netherlands.
DOPA Decarboxylase (DDC) has been proposed as a cerebrospinal fluid (CSF) biomarker with increased concentrations in Lewy body disorders (LBDs) and highest levels in patients receiving dopaminergic treatment. Here we evaluate plasma DDC, measured by proximity extension assay, and the effect of dopaminergic treatment in three independent LBD (with a focus on dementia with Lewy bodies (DLB) and Parkinson's disease (PD)) cohorts: an autopsy-confirmed cohort (n = 71), a large multicenter, cross-dementia cohort (n = 1498) and a longitudinal cohort with detailed treatment information (n = 66, median follow-up time[IQR] = 4[4, 4] years). Plasma DDC was not altered between different LBDs and other disease groups or controls in absence of treatment.
View Article and Find Full Text PDFBackground: Although Amyloid-beta and Tau are the hallmarks of Alzheimer's Disease (AD), other protein pathways such as endothelial dysfunction may be involved and may precede cognitive symptoms. Our objective was to characterize the cerebrospinal fluid (CSF) proteomic profiles focusing on cardiometabolic-related protein pathways in individuals on the AD spectrum.
Methods: We performed CSF and plasma-targeted proteomics (276 proteins) from 354 participants of the Brain Stress Hypertension and Aging Program (BSHARP), of which 8% had preclinical AD, and 24% had MCI due to AD.
Front Mol Neurosci
January 2025
Neurology Clinic, Military Institute of Medicine- National Research Institute, Warsaw, Poland.
Multiple sclerosis (MS) is a chronic central nervous system (CNS) disease with demyelinating inflammatory characteristics. It is the most common nontraumatic and disabling disease affecting young adults. The incidence and prevalence of MS have been increasing.
View Article and Find Full Text PDFJ Alzheimers Dis
January 2025
Aging Brain and Memory Clinic, Department of Neuroscience "Rita Levi-Montalcini", University of Torino, Torino, Italy.
This study evaluated the diagnostic performance of plasma biomarkers for Alzheimer's disease (AD) using an automated platform. In a cohort of 74 consecutive patients, plasma p-Tau181 levels were significantly higher in AD compared to non-AD groups and showed correlation with cerebrospinal fluid biomarkers. Plasma p-Tau181 demonstrated high diagnostic accuracy for AD, with an area under the curve of 0.
View Article and Find Full Text PDFJ Prev Alzheimers Dis
February 2025
Neurology, Fondazione IRCCS "San Gerardo dei Tintori", Monza, Italy; Milan Center for Neuroscience (NeuroMI), University of Milano-Bicocca, Monza, Italy; Laboratory of Neurobiology, School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy. Electronic address:
Background: The new criteria for Alzheimer's disease pave the way for the introduction of core blood biomarkers of Alzheimer's disease (BBAD) into clinical practice. However, this depends on the demonstration of sufficient accuracy and robustness of BBADs in the intended population.
Objectives: To assess the diagnostic performance of core BBADs in our memory clinic, comparing them with cerebrospinal fluid (CSF) analysis.
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