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Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
1st Department of Neurology, Aiginition Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece.
Background: Numerous studies have highlighted the role of oxidative stress in Alzheimer's disease (AD) development. Yet, the alignment of systemic and central oxidative stress biomarkers is unclear across diverse populations in the AD continuum. This study aims to assess protein damage levels in plasma and cerebrospinal fluid (CSF) within the AD continuum.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Oregon Health & Science University, Portland, OR, USA.
Background: Single-cell technologies have revealed significant microglial cell heterogeneity across the human brain in both health and disease. However, the integration of high-plex protein and spatial information in single-cell approaches constitutes a challenge essential for advancing our cell biology comprehension in the neuroscience field.
Method: In the present study, we employed co-detection by indexing (CODEX), a protein multiplexed imaging technology, for the first time to unravel the association between different microglial populations and pathological features of Alzheimer's disease (AD) in the human brain.
Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN, USA.
Background: Alzheimer's disease (AD) exhibits substantial heterogeneity in its disease trajectory. A subset of AD patients with unmatched cognitive decline/tauopathy severity has not been well studied. We identified such atypical subgroups in post-mortem AD brain studies.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
University of Southampton, Southampton, United Kingdom.
Background: The neuroimmune response, characterised by the proliferation and activation of microglial cells, is a driver of Alzheimer's disease (AD). However, the extent of immune cell infiltration and interactions in the human AD brain are yet to be established in detail. While microglial cells are at the centre of this neuroimmune response, recent research has explored the possibility of peripheral immune cell involvement, typically focusing on T-cell infiltration.
View Article and Find Full Text PDFBackground: Chronic depression impacts the ability to successfully manage one's health, yet mechanisms underlying this relationship are not fully understood. Cognitive dysfunction, or impairment, may result from persistent depression. We aimed to determine whether chronic depressive symptoms, leading to poor cognition, impacted self-management capacity among older adults with chronic conditions.
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