Elucidating the neuropathological and molecular heterogeneity of amyloid beta and tau in Alzheimer's disease through machine learning and transcriptomic integration
Functional brain network alterations associated with Alzheimer's disease (AD) pathology, including amyloid beta (Aβ) and phosphorylated tau (p‐tau), are difficult to interpret due to overlapping aging‐associated and non‐amyloid biological processes.
Cerebral amyloid angiopathy (CAA) frequently co‐occurs with Alzheimer's disease (AD), generating mixed vascular–neurodegenerative phenotypes. Plasma phosphorylated tau (p‐tau)217 is a robust biomarker of AD, but its performance in CAA remains unclear.
A. Fernández-Lebrero, J. Jiménez-Balado, G. García‐Escobar et al.· Alzheimer's & Dementia· 0 citations
Alzheimer's disease neuropathologic change (ADNC) and limbic‐predominant age‐related transactive response DNA‐binding protein 43 kDa (TDP‐43) encephalopathy neuropathologic change (LATENC) are common in older adults, yet differences in brain morphometry patterns when one or both pathologies are present remain unclear.
Khalid Saifullah, A. Ridwan, Arnold M. Evia et al.· Alzheimer's & Dementia· 0 citations
Neuroinflammatory processes may play a central role in promoting mixed pathologies and cognitive impairment in the oldest‐old. We hypothesize that elevated neuroinflammation, indicated by reactive astrocytosis, acts on cerebrovascular disease and separately, on amyloid beta (Aβ) pathology, to promote downstream medial temporal lobe atrophy and memory impairment.
Batool M. Rizvi, P. Maillard, A. Posis et al.· Alzheimer's & Dementia· 0 citations
Astrocyte dysfunction is central to Alzheimer's disease (AD), yet expression patterns of astrocytic markers remain poorly defined. We measured Aquaporin‐4 (AQP4) and glial fibrillary acidic protein (GFAP) in post‐mortem frontal cortex of AD patients and controls across BrainNet Europe (BNE) stages.
Harry Alexopoulos, X. Louka, E. D. de Natale et al.· Alzheimer's & Dementia· 0 citations
Recent studies identify amyloidogenic human amylin, secreted from pancreas, as a potential link between type-2 diabetes and Alzheimer’s disease. Evidence suggests that pathogenic amylin signaling impairs cerebral bioenergetics, promoting tau hyperphosphorylation and neurodegeneration. Selective targeting of circulating amyloidogenic amylin and its pathogenic signaling may enable biomarker development and disease-modifying therapies.
F. Despa, T. Lashley· TIPS - Trends in Pharmacolog...· 0 citations
Alzheimer's disease (AD) features amyloid beta (Aβ) plaques and tau tangles, yet how their coexistence reshapes brain transcriptomic programs remains unclear.
Jung Hyun Park, Byungwook Kim, M. Al-Amin et al.· Alzheimer's & Dementia· 0 citations
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