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http://dx.doi.org/10.1155/2020/9231452 | DOI Listing |
The role of immune cells in neurodegeneration remains incompletely understood. Our recent study revealed the presence of mucosal-associated invariant T (MAIT) cells in the meninges, where they express antioxidant molecules to maintain meningeal barrier integrity. Accumulation of misfolded tau proteins are a hallmark of neurodegenerative diseases.
View Article and Find Full Text PDFThe biological mechanisms underlying women's increased Alzheimer's disease (AD) prevalence remain undefined. Previous case/control studies have identified sex-biased molecular pathways, but sex-specific relationships between gene expression and AD endophenotypes, particularly sex chromosomes, are underexplored. With bulk transcriptomic data across 3 brain regions from 767 decedents, we investigated sex-specific associations between gene expression and post-mortem β-amyloid and tau as well as antemortem longitudinal cognition.
View Article and Find Full Text PDFNeuronal pentraxin 2 (NP2) plays a significant role in synaptic plasticity, neuronal survival, and excitatory synapse regulation. Emerging research suggests that NP2 is implicated in the pathogenesis of various neurological disorders, including neurodegenerative diseases, neuropsychiatric disorders, and neuropathies. This literature review extensively analyzes NP2's role in these conditions, thereby highlighting its contributions to synaptic dysfunction, neuroinflammation, and neurotoxic protein aggregation.
View Article and Find Full Text PDFActas Esp Psiquiatr
January 2025
Department of Geriatrics, Affiliated Hospital of Changchun University of Traditional Chinese Medicine, 130021 Changchun, Jilin, China.
Parkinson's disease (PD) is a degenerative disease of the central nervous system primarily affecting middle-aged and elderly individuals, significantly compromising their quality of life. Neuroinflammation is now recognized as a key feature in the pathogenesis of PD. This study reviews recent advances in the identification of potential biomarkers associated with neuroinflammation in PD and their significance for therapeutic strategies.
View Article and Find Full Text PDFGenes Brain Behav
February 2025
Département de Readaptation et gériatrie, University of Geneva, Geneva, Switzerland.
Human microbiota-associated murine models, using fecal microbiota transplantation (FMT) from human donors, help explore the microbiome's role in diseases like Alzheimer's disease (AD). This study examines how gut bacteria from donors with protective factors against AD influence behavior and brain pathology in an AD mouse model. Female 3xTgAD mice received weekly FMT for 2 months from (i) an 80-year-old AD patient (AD-FMT), (ii) a cognitively healthy 73-year-old with the protective APOEe2 allele (APOEe2-FMT), (iii) a 22-year-old healthy donor (Young-FMT), and (iv) untreated mice (Mice-FMT).
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