Results 31 to 40 of about 318,213 (301)

Increased Ammonium Toxicity in Response to Exogenous Glutamine in Metastatic Breast Cancer Cells

open access: yesMetabolites, 2022
Several cancers, including breast cancers, show dependence on glutamine metabolism. The purpose of the present study was to determine the mechanistic basis and impact of differential glutamine metabolism in nonmetastatic and metastatic murine mammary ...
Violet A. Kiesel   +5 more
doaj   +1 more source

Metformin Decreases Glucose Oxidation and Increases the Dependency of Prostate Cancer Cells on Reductive Glutamine Metabolism [PDF]

open access: yes, 2013
Metformin inhibits cancer cell proliferation, and epidemiology studies suggest an association with increased survival in patients with cancer taking metformin; however, the mechanism by which metformin improves cancer outcomes remains controversial.
Bell, Eric L.   +18 more
core   +1 more source

Deficient astrocyte metabolism impairs glutamine synthesis and neurotransmitter homeostasis in a mouse model of Alzheimer's disease

open access: yesNeurobiology of Disease, 2021
Alzheimer's disease (AD) leads to cerebral accumulation of insoluble amyloid-β plaques causing synaptic dysfunction and neuronal death. Neurons rely on astrocyte-derived glutamine for replenishment of the amino acid neurotransmitter pools.
Jens V. Andersen   +7 more
doaj   +1 more source

BCKDH: the missing link in apicomplexan mitochondrial metabolism is required for full virulence of Toxoplasma gondii and Plasmodium berghei [PDF]

open access: yes, 2014
While the apicomplexan parasites Plasmodium falciparum and Toxoplasma gondii are thought to primarily depend on glycolysis for ATP synthesis, recent studies have shown that they can fully catabolize glucose in a canonical TCA cycle.
Barrett, Michael P.   +11 more
core   +1 more source

GOLM1 Stimulation of Glutamine Metabolism Promotes Osteoporosis via Inhibiting Osteogenic Differentiation of BMSCs

open access: yesCellular Physiology and Biochemistry, 2018
Background/Aims: Bone marrow mesenchymal stem cells (BMSCs) play an essential role in osteoporosis. However, the molecular mechanisms and the involvement of glutamine metabolism in osteogenic BMSCs differentiation and osteoporosis remain largely unclear.
Guangsi Shen   +6 more
doaj   +1 more source

Pharmacologic or Genetic Targeting of Glutamine Synthetase Skews Macrophages toward an M1-like Phenotype and Inhibits Tumor Metastasis. [PDF]

open access: yes, 2017
Glutamine-synthetase (GS), the glutamine-synthesizing enzyme from glutamate, controls important events, including the release of inflammatory mediators, mammalian target of rapamycin (mTOR) activation, and autophagy.
Castegna, Alessandra   +12 more
core   +5 more sources

Inhibition of the mitochondrial pyruvate carrier protects from excitotoxic neuronal death. [PDF]

open access: yes, 2017
Glutamate is the dominant excitatory neurotransmitter in the brain, but under conditions of metabolic stress it can accumulate to excitotoxic levels.
Andreyev, Alexander Y   +12 more
core   +1 more source

Ammonia toxicity: from head to toe? [PDF]

open access: yes, 2016
Ammonia is diffused and transported across all plasma membranes. This entails that hyperammonemia leads to an increase in ammonia in all organs and tissues.
Dasarathy, Srinivasan   +6 more
core   +1 more source

Regulation of hepatic stellate cell proliferation and activation by glutamine metabolism.

open access: yesPLoS ONE, 2017
Liver fibrosis is the excessive accumulation of extracellular matrix proteins, which is mainly caused by accumulation of activated hepatic stellate cells (HSCs).
Jiang Li   +11 more
doaj   +1 more source

Metabolism within the tumor microenvironment and its implication on cancer progression: an ongoing therapeutic target [PDF]

open access: yes, 2018
Since reprogramming energy metabolism is considered a new hallmark of cancer, tumor metabolism is again in the spotlight of cancer research. Many studies have been carried out and many possible therapies have been developed in the last years.
Abdel-Aziz   +431 more
core   +2 more sources

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