Astrocyte energy and neurotransmitter metabolism in Alzheimer's disease: integration of the glutamate/GABA-glutamine cycle

JV Andersen, A Schousboe, A Verkhratsky - Progress in neurobiology, 2022 - Elsevier
Astrocytes contribute to the complex cellular pathology of Alzheimer's disease (AD).
Neurons and astrocytes function in close collaboration through neurotransmitter recycling …

[HTML][HTML] Deficient astrocyte metabolism impairs glutamine synthesis and neurotransmitter homeostasis in a mouse model of Alzheimer's disease

JV Andersen, SK Christensen, EW Westi… - Neurobiology of …, 2021 - Elsevier
Alzheimer's disease (AD) leads to cerebral accumulation of insoluble amyloid-β plaques
causing synaptic dysfunction and neuronal death. Neurons rely on astrocyte-derived …

Astrocyte dysfunction in Alzheimer disease

C Acosta, HD Anderson… - Journal of neuroscience …, 2017 - Wiley Online Library
Astrocytes are glial cells that are distributed throughout the central nervous system in an
arrangement optimal for chemical and physical interaction with neuronal synapses and …

Astrocytes and glutamate homoeostasis in Alzheimer's disease: a decrease in glutamine synthetase, but not in glutamate transporter-1, in the prefrontal cortex

M Kulijewicz-Nawrot, E Syková, A Chvátal… - ASN …, 2013 - journals.sagepub.com
Astrocytes control tissue equilibrium and hence define the homoeostasis and function of the
CNS (central nervous system). Being principal homoeostatic cells, astroglia are fundamental …

Milestone Review: Metabolic dynamics of glutamate and GABA mediated neurotransmission—The essential roles of astrocytes

JV Andersen, A Schousboe - Journal of Neurochemistry, 2023 - Wiley Online Library
Since it was first generally accepted that the two amino acids glutamate and GABA act as
principal neurotransmitters, several landmark discoveries relating to this function have been …

Reactive astrocytes give neurons less support: implications for Alzheimer's disease

ML Steele, SR Robinson - Neurobiology of aging, 2012 - Elsevier
Astrocytes become activated in Alzheimer's disease (AD), contributing to and reinforcing an
inflammatory cascade. It is proposed that by transforming from a basal to a reactive state …

[HTML][HTML] Glutamate metabolism and recycling at the excitatory synapse in health and neurodegeneration

JV Andersen, KH Markussen, E Jakobsen… - …, 2021 - Elsevier
Glutamate is the primary excitatory neurotransmitter of the brain. Cellular homeostasis of
glutamate is of paramount importance for normal brain function and relies on an intricate …

[HTML][HTML] Age-dependent decrease in glutamine synthetase expression in the hippocampal astroglia of the triple transgenic Alzheimer's disease mouse model …

M Olabarria, HN Noristani, A Verkhratsky… - Molecular …, 2011 - Springer
Astrocytes are fundamental for brain homeostasis and the progression and outcome of many
neuropathologies including Alzheimer's disease (AD). In the triple transgenic mouse model …

Glutamate metabolism in the brain focusing on astrocytes

A Schousboe, S Scafidi, LK Bak… - Glutamate and ATP at …, 2014 - Springer
Metabolism of glutamate, the main excitatory neurotransmitter and precursor of GABA, is
exceedingly complex and highly compartmentalized in brain. Maintenance of these …

Reevaluating Metabolism in Alzheimer′ s Disease from the Perspective of the Astrocyte‐Neuron Lactate Shuttle Model

JT Newington, RA Harris… - Journal of …, 2013 - Wiley Online Library
The conventional view of central nervous system (CNS) metabolism is based on the
assumption that glucose is the main fuel source for active neurons and is processed in an …