Physiology of astroglia

A Verkhratsky, M Nedergaard - Physiological reviews, 2018 - journals.physiology.org
Astrocytes are neural cells of ectodermal, neuroepithelial origin that provide for homeostasis
and defense of the central nervous system (CNS). Astrocytes are highly heterogeneous in …

Astrocytes maintain glutamate homeostasis in the CNS by controlling the balance between glutamate uptake and release

S Mahmoud, M Gharagozloo, C Simard, D Gris - Cells, 2019 - mdpi.com
Glutamate is one of the most prevalent neurotransmitters released by excitatory neurons in
the central nervous system (CNS); however, residual glutamate in the extracellular space is …

The short-chain fatty acid acetate reduces appetite via a central homeostatic mechanism

G Frost, ML Sleeth, M Sahuri-Arisoylu, B Lizarbe… - Nature …, 2014 - nature.com
Increased intake of dietary carbohydrate that is fermented in the colon by the microbiota has
been reported to decrease body weight, although the mechanism remains unclear. Here we …

Gliotransmitters travel in time and space

A Araque, G Carmignoto, PG Haydon, SHR Oliet… - Neuron, 2014 - cell.com
The identification of the presence of active signaling between astrocytes and neurons in a
process termed gliotransmission has caused a paradigm shift in our thinking about brain …

Astrocyte calcium signaling: the third wave

N Bazargani, D Attwell - Nature neuroscience, 2016 - nature.com
The discovery that transient elevations of calcium concentration occur in astrocytes, and
release'gliotransmitters' which act on neurons and vascular smooth muscle, led to the idea …

Astrocytic processes: from tripartite synapses to the active milieu

A Semyanov, A Verkhratsky - Trends in neurosciences, 2021 - cell.com
We define a new concept of 'active milieu'that unifies all components of nervous tissue
(neuronal and glial compartments, extracellular space, extracellular matrix, and vasculature) …

GABA tone regulation and its cognitive functions in the brain

W Koh, H Kwak, E Cheong, CJ Lee - Nature Reviews Neuroscience, 2023 - nature.com
Abstract γ-Aminobutyric acid (GABA) is the major inhibitory neurotransmitter released at
GABAergic synapses, mediating fast-acting phasic inhibition. Emerging lines of evidence …

Ischemia-triggered glutamate excitotoxicity from the perspective of glial cells

D Belov Kirdajova, J Kriska, J Tureckova… - Frontiers in cellular …, 2020 - frontiersin.org
A plethora of neurological disorders shares a final common deadly pathway known as
excitotoxicity. Among these disorders, ischemic injury is a prominent cause of death and …

Astroglial Kir4. 1 in the lateral habenula drives neuronal bursts in depression

Y Cui, Y Yang, Z Ni, Y Dong, G Cai, A Foncelle, S Ma… - Nature, 2018 - nature.com
Enhanced bursting activity of neurons in the lateral habenula (LHb) is essential in driving
depression-like behaviours, but the cause of this increase has been unknown. Here, using a …

[HTML][HTML] Glutamate excitotoxicity: Potential therapeutic target for ischemic stroke

Z Shen, M **ang, C Chen, F Ding, Y Wang… - Biomedicine & …, 2022 - Elsevier
Glutamate-mediated excitotoxicity is an important mechanism leading to post ischemic
stroke damage. After acute stroke, the sudden reduction in cerebral blood flow is most …