The glutamate/GABA‐glutamine cycle: aspects of transport, neurotransmitter homeostasis and ammonia transfer

LK Bak, A Schousboe… - Journal of …, 2006 - Wiley Online Library
Neurons are metabolically handicapped in the sense that they are not able to perform de
novo synthesis of neurotransmitter glutamate and γ‐aminobutyric acid (GABA) from glucose …

A tribute to Leif Hertz: The historical context of his pioneering studies of the roles of astrocytes in brain energy metabolism, neurotransmission, cognitive functions, and …

GA Dienel, A Schousboe, MC McKenna… - Journal of …, 2024 - Wiley Online Library
Abstract Leif Hertz, MD, D. Sc.(honōris causā)(1930–2018), was one of the original and
noteworthy participants in the International Conference on Brain Energy Metabolism …

Neurosteroidogenesis in astrocytes, oligodendrocytes, and neurons of cerebral cortex of rat brain

IH Zwain, SSC Yen - Endocrinology, 1999 - academic.oup.com
The brain is a steroidogenic organ that expresses steroidogenic enzymes and produces
neurosteroids. Although considerable information is now available regarding the …

Topiramate enhances GABA-mediated chloride flux and GABA-evoked chloride currents in murine brain neurons and increases seizure threshold

HS White, SD Brown, JH Woodhead, GA Skeen… - Epilepsy research, 1997 - Elsevier
The anticonvulsant topiramate is effective in laboratory animals against maximal
electroshock seizures, amygdala kindling, and spike-wave discharges and has …

Neurotoxic effect of oligomeric and fibrillar species of amyloid-beta peptide 1-42: involvement of endoplasmic reticulum calcium release in oligomer-induced cell death

R Resende, E Ferreiro, C Pereira, CR De Oliveira - Neuroscience, 2008 - Elsevier
The nature of the toxic form of amyloid-beta peptide (Aβ) involved in early Alzheimer's
disease (AD) pathology and whether it is the fibrillar or the oligomeric peptide that is the …

Topiramate modulates GABA‐evoked currents in murine cortical neurons by a nonbenzodiazepine mechanism

HS White, SD Brown, JH Woodhead, GA Skeen… - …, 2000 - Wiley Online Library
Purpose: These studies further investigate the ability of topiramate (TPM) to enhance γ‐
aminobutyric acid (GABA)‐mediated inhibition through a benzodiazepine‐insensitive …

The release of calcium from the endoplasmic reticulum induced by amyloid-beta and prion peptides activates the mitochondrial apoptotic pathway

E Ferreiro, CR Oliveira, CMF Pereira - Neurobiology of disease, 2008 - Elsevier
In this study, we analyzed whether ER Ca2+ release, induced by amyloid-β (Aβ) and prion
(PrP) peptides activates the mitochondrial-mediated apoptotic pathway. In cortical neurons …

Direct demonstration by [13C] NMR spectroscopy that glutamine from astrocytes is a precursor for GABA synthesis in neurons

U Sonnewald, N Westergaard, A Schousboe… - Neurochemistry …, 1993 - Elsevier
Primary cultures of cerebral cortical astrocytes and neurons, as well as neurons growing on
top of the astrocytes (sandwich co-cultures), were incubated with 1-[13 C] glucose or 2-[13 …

An endoplasmic-reticulum-specific apoptotic pathway is involved in prion and amyloid-beta peptides neurotoxicity

E Ferreiro, R Resende, R Costa, CR Oliveira… - Neurobiology of …, 2006 - Elsevier
Prion (PrP) and amyloid-β (Aβ) peptides are involved in the neuronal loss that occurs in
Prion disorders (PrD) and Alzheimer's disease (AD), respectively, partially due to Ca2+ …

Neuronal soluble factors differentially regulate the expression of the GLT1 and GLAST glutamate transporters in cultured astroglia

G Gegelashvili, NC Danbolt… - Journal of …, 1997 - Wiley Online Library
The glutamate transporters in the plasma membranes of neural cells secure termination of
the glutamatergic synaptic transmission and keep the glutamate levels below toxic …