Magnetic resonance spectroscopy studies of glutamate-related abnormalities in mood disorders

C Yüksel, D Öngür - Biological psychiatry, 2010 - Elsevier
In mood disorders, there is growing evidence for glutamatergic abnormalities derived from
peripheral measures of glutamatergic metabolites in patients, postmortem studies on …

Ammonia toxicity to the brain

O Braissant, VA McLin, C Cudalbu - Journal of inherited metabolic disease, 2013 - Springer
Hyperammonemia can be caused by various acquired or inherited disorders such as urea
cycle defects. The brain is much more susceptible to the deleterious effects of ammonium in …

The neurochemical profile quantified by in vivo 1H NMR spectroscopy

JMN Duarte, H Lei, V Mlynárik, R Gruetter - Neuroimage, 2012 - Elsevier
Proton NMR spectroscopy is emerging from translational and preclinical neuroscience
research as an important tool for evidence based diagnosis and therapy monitoring. It …

Abnormal glutamatergic neurotransmission and neuronal-glial interactions in acute mania

D Öngür, JE Jensen, AP Prescot, C Stork, M Lundy… - Biological …, 2008 - Elsevier
BACKGROUND: At excitatory synapses, glutamate released from neurons is taken up by
glial cells and converted to glutamine, which is cycled back to neurons. Alterations in this …

Relationship among glutamine, γ-aminobutyric acid, and social cognition in autism spectrum disorders

DM Cochran, EM Sikoglu, SM Hodge… - Journal of child and …, 2015 - liebertpub.com
Objective: An imbalance of excitatory and inhibitory neurotransmission in autism spectrum
disorder (ASD) has been proposed. We compared glutamate (Glu), glutamine (Gln), and γ …

Slice‐selective FID acquisition, localized by outer volume suppression (FIDLOVS) for 1H‐MRSI of the human brain at 7 T with minimal signal loss

A Henning, A Fuchs, JB Murdoch… - NMR in Biomedicine …, 2009 - Wiley Online Library
Abstract In comparison to 1.5 and 3 T, MR spectroscopic imaging at 7 T benefits from signal‐
to‐noise ratio (SNR) gain and increased spectral resolution and should enable map** of a …

Rapid enhancement of glutamatergic neurotransmission in bipolar depression following treatment with riluzole

BP Brennan, JI Hudson, JE Jensen… - …, 2010 - nature.com
Glutamatergic abnormalities may underlie bipolar disorder (BD). The glutamate-modulating
drug riluzole may be efficacious in bipolar depression, but few in vivo studies have …

High and ultra-high resolution metabolite map** of the human brain using 1H FID MRSI at 9.4 T

S Nassirpour, P Chang, A Henning - Neuroimage, 2018 - Elsevier
Magnetic resonance spectroscopic imaging (MRSI) is a promising technique for map**
the spatial distribution of multiple metabolites in the human brain. These metabolite maps …

[HTML][HTML] Emerging methods and applications of ultra-high field MR spectroscopic imaging in the human brain

G Hangel, E Niess, P Lazen, P Bednarik, W Bogner… - Analytical …, 2022 - Elsevier
Abstract Magnetic Resonance Spectroscopic Imaging (MRSI) of the brain enables insights
into the metabolic changes and fluxes in diseases such as tumors, multiple sclerosis …

Sensitivity and source of amine‐proton exchange and amide‐proton transfer magnetic resonance imaging in cerebral ischemia

X Zong, P Wang, SG Kim, T ** - Magnetic resonance in …, 2014 - Wiley Online Library
Purpose Amide‐proton transfer (APT) and amine–water proton exchange (APEX) MRI can
be viable to map pH‐decreasing ischemic regions. However, their exact contributions are …