Cysteine metabolism in neuronal redox homeostasis

BD Paul, JI Sbodio, SH Snyder - Trends in pharmacological sciences, 2018 - cell.com
Besides its essential role in protein synthesis, cysteine plays vital roles in redox
homeostasis, being a component of the major antioxidant glutathione (GSH) and a potent …

Deciphering the iron side of stroke: neurodegeneration at the crossroads between iron dyshomeostasis, excitotoxicity, and ferroptosis

N DeGregorio-Rocasolano, O Martí-Sistac… - Frontiers in …, 2019 - frontiersin.org
In general, iron represents a double-edged sword in metabolism in most tissues, especially
in the brain. Although the high metabolic demands of brain cells require iron as a redox …

Involvement of extrasynaptic glutamate in physiological and pathophysiological changes of neuronal excitability

B Pál - Cellular and Molecular Life Sciences, 2018 - Springer
Glutamate is the most abundant neurotransmitter of the central nervous system, as the
majority of neurons use glutamate as neurotransmitter. It is also well known that this …

The cystine‐glutamate exchanger (xCT, Slc7a11) is expressed in significant concentrations in a subpopulation of astrocytes in the mouse brain

S Ottestad‐Hansen, QX Hu, VV Follin‐Arbelet… - Glia, 2018 - Wiley Online Library
The cystine‐glutamate exchanger (xCT) promotes glutathione synthesis by catalyzing
cystine uptake and glutamate release. The released glutamate may modulate normal neural …

Aspirin and N‐acetylcysteine co‐administration markedly inhibit chronic ethanol intake and block relapse binge drinking: Role of neuroinflammation‐oxidative stress …

Y Israel, ME Quintanilla, F Ezquer, P Morales… - Addiction …, 2021 - Wiley Online Library
Chronic alcohol intake leads to neuroinflammation and cell injury, proposed to result in
alterations that perpetuate alcohol intake and cued relapse. Studies show that brain …

Microglial glutamate release evoked by α‐synuclein aggregates is prevented by dopamine

M dos‐Santos‐Pereira, L Acuña, S Hamadat, J Rocca… - Glia, 2018 - Wiley Online Library
When activated, microglial cells have the potential not only to secrete typical
proinflammatory mediators but also to release the neurotransmitter glutamate in amounts …

Genetic profiles of ferroptosis in malignant brain tumors and off-target effects of ferroptosis induction

M Dahlmanns, E Yakubov, JK Dahlmanns - Frontiers in oncology, 2021 - frontiersin.org
Glioblastoma represents the most devastating form of human brain cancer, associated with a
very poor survival rate of patients. Unfortunately, treatment options are currently limited and …

[HTML][HTML] Glial glutamate transporter-mediated plasticity: system xc-/xCT/SLC7A11 and EAAT1/2 in brain diseases

M Dahlmanns, JK Dahlmanns, N Savaskan… - Frontiers in Bioscience …, 2023 - imrpress.com
Glial cells play an essential role in the complex function of the nervous system. In particular,
astrocytes provide nutritive support for neuronal cells and are involved in regulating synaptic …

Reversibility of age-related oxidized free NADH redox states in Alzheimer's disease neurons by imposed external Cys/CySS redox shifts

Y Dong, S Sameni, MA Digman, GJ Brewer - Scientific reports, 2019 - nature.com
Redox systems including extracellular cysteine/cystine (Cys/CySS), intracellular
glutathione/oxidized glutathione (GSH/GSSG) and nicotinamide adenine dinucleotide …

Cystine–glutamate antiporter deletion accelerates motor recovery and improves histological outcomes following spinal cord injury in mice

L Sprimont, P Janssen, K De Swert, M Van Bulck… - Scientific Reports, 2021 - nature.com
Abstract xCT is the specific subunit of System xc-, an antiporter importing cystine while
releasing glutamate. Although xCT expression has been found in the spinal cord, its …