Impaired neuromodulator crosstalk delays vigilance-dependent astroglia Ca2+ activation in mouse models of Alzheimer's disease

EY Lim, A Salinas, L Ye, Y Yang, M Paukert - bioRxiv, 2022 - biorxiv.org
Degeneration in neuronal nuclei producing the neuromodulators acetylcholine and
norepinephrine is a hallmark of Alzheimer's disease (AD). Therapeutic interventions that …

Impaired neuromodulator crosstalk delays vigilance-dependent astroglia Ca2+ activation in mouse models of Alzheimer's disease

EY Lim, A Salinas, L Ye, Y Yang, M Paukert - 2022 - europepmc.org
Degeneration in neuronal nuclei producing the neuromodulators acetylcholine and
norepinephrine is a hallmark of Alzheimer's disease (AD). Therapeutic interventions that …

Impaired astrocytic Ca2+ signalling in awake Alzheimer's disease transgenic mice

KS Åbjørsbråten, GHE Syverstad Skaaraas, C Cunen… - bioRxiv, 2021 - biorxiv.org
Increased astrocytic Ca2+ signaling related to amyloid plaques has been shown in
Alzheimer's disease mouse models, but to date no reports have characterized behaviorally …

Enhanced prefrontal nicotinic signaling as evidence of active compensation in Alzheimer's disease models

SK Power, S Venkatesan, S Qu, JA McLaurin… - bioRxiv, 2023 - biorxiv.org
Background Cognitive reserve allows for resilience to neuropathology, potentially through
active compensation. Here, we examine electrophysiological evidence for active …

Impaired astrocytic Ca2+ signaling in awake-behaving Alzheimer's disease transgenic mice

KS Åbjørsbråten, GHES Skaaraas, C Cunen… - Elife, 2022 - elifesciences.org
Increased astrocytic Ca 2+ signaling has been shown in Alzheimer's disease mouse
models, but to date no reports have characterized behaviorally induced astrocytic Ca 2+ …

Upregulated Ca2+ release from the endoplasmic reticulum leads to impaired presynaptic function in Alzheimer's disease

T Adeoye, SI Shah, A Demuro, DA Rabson, G Ullah - bioRxiv, 2022 - biorxiv.org
Neurotransmitter release from presynaptic terminals is primarily regulated by rapid Ca2+
influx through membrane-resident voltage-gated Ca2+ channels (VGCCs). Also …

Early astrocytic dysfunction is associated to mistuned synapses as well as anxiety and depressive-like behavior in the AppNL-F mouse model of Alzheimer's disease

B Portal, M Södergren, TP Borrell, R Giraud… - bioRxiv, 2023 - biorxiv.org
Alzheimer's disease is the most common neurodegenerative disease and constitute 75% of
dementia cases worldwide. Unfortunately, efficient and affordable treatments are still lacking …

[PDF][PDF] Astrocyte calcium dysfunction causes early network hyperactivity in Alzheimer's

D Shah, W Gsell, J Wahis, ES Luckett, T Jamoulle… - scholar.archive.org
Dysfunctions of network activity and functional connectivity (FC) represent early events in
Alzheimer's disease (AD), but the underlying mechanisms remain unclear. Astrocytes …

Neuron–astrocyte signaling is preserved in the aging brain

M Gómez‐Gonzalo, M Martin‐Fernandez… - Glia, 2017 - Wiley Online Library
Astrocytes play crucial roles in brain homeostasis and are emerging as regulatory elements
of neuronal and synaptic physiology by responding to neurotransmitters with Ca2+ …

Ca2+ Dyshomeostasis Disrupts Neuronal and Synaptic Function in Alzheimer's Disease

J McDaid, S Mustaly-Kalimi, GE Stutzmann - Cells, 2020 - mdpi.com
Ca2+ homeostasis is essential for multiple neuronal functions and thus, Ca2+
dyshomeostasis can lead to widespread impairment of cellular and synaptic signaling …