Association of reactive astrogliosis and microglial activation with tau pathology in Alzheimer's disease

JP Ferrari‐Souza, B Bellaver… - Alzheimer's & …, 2023 - Wiley Online Library
Abstract Background Glial contributions to Alzheimer's disease (AD) etiology and
progression have been increasingly recognized. Experimental and clinical evidence …

[HTML][HTML] Astrocyte reactivity influences the association of amyloid-β and tau biomarkers in preclinical Alzheimer's disease

T Pascoal, B Bellaver, G Povala, P Ferreira… - Research …, 2023 - ncbi.nlm.nih.gov
An unresolved question for the understanding of Alzheimer's disease (AD) pathophysiology
is why a significant percentage of amyloid β (Aβ)-positive cognitively unimpaired (CU) …

Microglial activation interacts with amyloid‐β to drive longitudinal tau tangle accumulation and cognitive decline

G Povala, B Bellaver, FZ Lussier… - Alzheimer's & …, 2023 - Wiley Online Library
Background Activation of microglial cells in the brain, more commonly known as
neuroinflammation, has often been linked to the pathophysiology of Alzheimer's disease …

Amyloid β‐dependent tau phosphorylation is triggered by reactive astrocytes in preclinical Alzheimer's disease

B Bellaver, G Povala, PCL Ferreira… - Alzheimer's & …, 2023 - Wiley Online Library
Background A significant percentage of Aβ‐positive cognitively unimpaired (CU) individuals
do not develop detectable downstream tau pathology and, consequently, cognitive decline …

Astrocyte reactivity potentiates longitudinal tau tangle accumulation in cognitively unimpaired individuals

B Bellaver, G Povala, PCL Ferreira… - Alzheimer's & …, 2023 - Wiley Online Library
Background Aβ accumulation precedes tau pathology in cognitively unimpaired (CU)
individuals, which is an event closely related to the development of cognitive symptoms …

Microglia activation predicts tau positivity beyond Aβ in Alzheimer's disease

J Ottoy, G Bezgin, M Savard… - Alzheimer's & …, 2021 - Wiley Online Library
Background Deposition of amyloid‐beta (Aβ) plaques and hyperphosphorylated tau are
known hallmarks of Alzheimer's disease (AD). In addition, neuroinflammation or microglia …

Astrocyte reactivity in Alzheimer's disease: therapeutic opportunities to promote repair

N Mirzaei, N Davis, TW Chau… - Current Alzheimer …, 2022 - ingentaconnect.com
Astrocytes are fast climbing the ladder of importance in neurodegenerative disorders,
particularly in Alzheimer's Disease (AD), with the prominent presence of reactive astrocytes …

Diverse signaling mechanisms and heterogeneity of astrocyte reactivity in Alzheimer's disease

H Qin, L Zhou, FT Haque… - Journal of …, 2023 - Wiley Online Library
Alzheimer's disease (AD) affects various brain cell types, including astrocytes, which are the
most abundant cell types in the central nervous system (CNS). Astrocytes not only provide …

Longitudinal trajectory of microglial activation and astrocyte activation

P Edison - Alzheimer's & Dementia, 2022 - Wiley Online Library
Background Neuroinflammation plays a significant role in the pathogenesis of AD. Here, we
evaluate neuroinflammation, the interrelationship between neuroinflammation, amyloid and …

Glial cells in Alzheimer's disease: From neuropathological changes to therapeutic implications

MS Uddin, LW Lim - Ageing research reviews, 2022 - Elsevier
Alzheimer's disease (AD) is a neurodegenerative disorder that usually develops slowly and
progressively worsens over time. Although there has been increasing research interest in …