Results 31 to 40 of about 740,346 (304)

TP53-inducible Glycolysis and Apoptosis Regulator (TIGAR) Metabolically Reprograms Carcinoma and Stromal Cells in Breast Cancer. [PDF]

open access: yes, 2016
A subgroup of breast cancers has several metabolic compartments. The mechanisms by which metabolic compartmentalization develop in tumors are poorly characterized. TP53 inducible glycolysis and apoptosis regulator (TIGAR) is a bisphosphatase that reduces
Bartrons, Ramon   +15 more
core   +2 more sources

N-Acetyl and Glutamatergic Neurometabolites in Perisylvian Brain Regions of Methamphetamine Users. [PDF]

open access: yes, 2018
Background:Methamphetamine induces neuronal N-acetyl-aspartate synthesis in preclinical studies. In a preliminary human proton magnetic resonance spectroscopic imaging investigation, we also observed that N-acetyl-aspartate+N-acetyl-aspartyl-glutamate in
Alger, Jeffry R   +5 more
core   +2 more sources

The Regulation of Glutamine Metabolism in Candida utilis: the Role of Glutamine in the Control of Glutamine Synthetase [PDF]

open access: yesJournal of General Microbiology, 1974
SUMMARY: In Candida utilis, the amount of glutamine synthetase is finely attuned to the availability of ammonia in the culture medium, and any change in ammonia availability results in a compensatory adjustment to enzyme level. In yeast growing with different sources of nitrogen there was a good inverse correlation between the rate of enzyme synthesis ...
A R, Ferguson, A P, Sims
openaire   +2 more sources

Gut mucosal and plasma concentrations of glutamine: a comparison between two enriched enteral feeding solutions in critically ill patients

open access: yesNutrition Journal, 2003
Background Addition of glutamine to enteral nutrition formulas is consistently associated with a significant decrease in septic morbidity in critically ill patients, possibly related to the attenuation of gut dysfunction.
Vincent Jean-Louis   +4 more
doaj   +1 more source

Bonded Cumomer Analysis of Human Melanoma Metabolism Monitored by 13C NMR Spectroscopy of Perfused Tumor Cells. [PDF]

open access: yes, 2015
A network model for the determination of tumor metabolic fluxes from (13)C NMR kinetic isotopomer data has been developed and validated with perfused human DB-1 melanoma cells carrying the BRAF V600E mutation, which promotes oxidative metabolism.
Blair, Ian A   +9 more
core   +2 more sources

p53 Promotes Cancer Cell Adaptation to Glutamine Deprivation by Upregulating Slc7a3 to Increase Arginine Uptake

open access: yesCell Reports, 2019
Summary: Cancer cells heavily depend on the amino acid glutamine to meet the demands associated with growth and proliferation. Due to the rapid consumption of glutamine, cancer cells frequently undergo glutamine starvation in vivo.
Xazmin H. Lowman   +6 more
doaj   +1 more source

Metabolic Analysis of DFO-Resistant Huh7 Cells and Identification of Targets for Combination Therapy

open access: yesMetabolites, 2023
Hepatocellular carcinoma (HCC) is one of the most refractory cancers with a high rate of recurrence. Iron is an essential trace element, and iron chelation has garnered attention as a novel therapeutic strategy for cancer.
Koichi Fujisawa   +4 more
doaj   +1 more source

Radiosynthesis, in vitro and preliminary in vivo evaluation of the novel glutamine derived PET tracers [18F]fluorophenylglutamine and [18F]fluorobiphenylglutamine

open access: yes, 2020
INTRODUCTION: Glucose has been deemed the driving force of tumor growth for decades. However, research has shown that several tumors metabolically shift towards glutaminolysis.
Baguet, Tristan   +12 more
core   +1 more source

Enteral Glutamine Administration in Critically Ill Nonseptic Patients Does Not Trigger Arginine Synthesis

open access: yesJournal of Nutrition and Metabolism, 2016
Glutamine supplementation in specific groups of critically ill patients results in favourable clinical outcome. Enhancement of citrulline and arginine synthesis by glutamine could serve as a potential mechanism.
Mechteld A. R. Vermeulen   +7 more
doaj   +1 more source

Resistance to BRAF inhibitors induces glutamine dependency in melanoma cells [PDF]

open access: yes, 2015
BRAF inhibitors can extend progression-free and overall survival in melanoma patients whose tumors harbor mutations in BRAF. However, the majority of patients eventually develop resistance to these drugs. Here we show that BRAF mutant melanoma cells that
Baenke, Franziska   +12 more
core   +1 more source

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