Reduced presynaptic vesicle stores mediate cellular and network plasticity defects in an early-stage mouse model of Alzheimer's disease

S Chakroborty, ES Hill, DT Christian, R Helfrich… - Molecular …, 2019 - Springer
Background Identifying effective strategies to prevent memory loss in AD has eluded
researchers to date, and likely reflects insufficient understanding of early pathogenic …

Emerging pathways driving early synaptic pathology in Alzheimer's disease

CA Briggs, S Chakroborty, GE Stutzmann - Biochemical and biophysical …, 2017 - Elsevier
The current state of the AD research field is highly dynamic is some respects, while
seemingly stagnant in others. Regarding the former, our current lack of understanding of …

Early presynaptic and postsynaptic calcium signaling abnormalities mask underlying synaptic depression in presymptomatic Alzheimer's disease mice

S Chakroborty, J Kim, C Schneider… - Journal of …, 2012 - Soc Neuroscience
Alzheimer's disease (AD)-linked presenilin (PS) mutations result in pronounced
endoplasmic reticulum calcium disruptions that occur before detectable histopathology and …

Presynaptic endoplasmic reticulum regulates short-term plasticity in hippocampal synapses

N Singh, T Bartol, H Levine, T Sejnowski… - Communications …, 2021 - nature.com
Short-term plasticity preserves a brief history of synaptic activity that is communicated to the
postsynaptic neuron. This is primarily regulated by a calcium signal initiated by voltage …

Targeting synaptic dysfunction in Alzheimer's disease therapy

R Nisticò, M Pignatelli, S Piccinin, NB Mercuri… - Molecular …, 2012 - Springer
In the past years, major efforts have been made to understand the genetics and molecular
pathogenesis of Alzheimer's disease (AD), which has been translated into extensive …

Upregulated Ca2+ Release from the Endoplasmic Reticulum Leads to Impaired Presynaptic Function in Familial Alzheimer's Disease

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

Gene expression parallels synaptic excitability and plasticity changes in Alzheimer's disease

CA Saura, A Parra-Damas… - Frontiers in cellular …, 2015 - frontiersin.org
Alzheimer's disease (AD) is a neurodegenerative disorder characterized by abnormal
accumulation of β-amyloid and tau and synapse dysfunction in memory-related neural …

Synaptic plasticity at the interface of health and disease: new insights on the role of endoplasmic reticulum intracellular calcium stores

N Maggio, A Vlachos - Neuroscience, 2014 - Elsevier
Work from the past 40 years has unraveled a wealth of information on the cellular and
molecular mechanisms underlying synaptic plasticity and their relevance in physiological …

TRPA1 channels promote astrocytic Ca2+ hyperactivity and synaptic dysfunction mediated by oligomeric forms of amyloid-β peptide

A Bosson, A Paumier, S Boisseau… - Molecular …, 2017 - Springer
Background Excessive synaptic loss is thought to be one of the earliest events in
Alzheimer's disease (AD). However, the key mechanisms that maintain plasticity of synapses …

Deviant ryanodine receptor-mediated calcium release resets synaptic homeostasis in presymptomatic 3xTg-AD mice

S Chakroborty, I Goussakov, MB Miller… - Journal of …, 2009 - Soc Neuroscience
Presenilin mutations result in exaggerated endoplasmic reticulum (ER) calcium release in
cellular and animal models of Alzheimer's disease (AD). In this study, we examined whether …