Results 51 to 60 of about 216,468 (357)

Glutamine synthetase mediates sorafenib sensitivity in β-catenin-active hepatocellular carcinoma cells

open access: yesExperimental and Molecular Medicine, 2018
The gene encoding β-catenin is frequently mutated in hepatocellular carcinoma cells. While the oncogenicity of β-catenin has been extensively studied, β-catenin’s role in hepatocellular carcinoma tumor metabolism is currently less well understood.
B. Sohn   +4 more
semanticscholar   +1 more source

Glutamine, MTOR and autophagy: a multiconnection relationship

open access: yesAutophagy, 2022
Cancer cells metabolize glutamine mostly through glutaminolysis, a metabolic pathway that activates MTORC1. The AMPK-MTORC1 signaling axis is a key regulator of cell growth and proliferation.
C. Bodineau   +3 more
semanticscholar   +1 more source

ALK1 controls hepatic vessel formation, angiodiversity, and angiocrine functions in hereditary hemorrhagic telangiectasia of the liver

open access: yesHepatology, EarlyView., 2022
Hepatic endothelial Alk1 signaling protects from development of vascular malformations while maintaining organ‐specific endothelial differentiation and angiocrine portmanteau of the names Wingless and Int‐1 signaling. Abstract Background and Aims In hereditary hemorrhagic telangiectasia (HHT), severe liver vascular malformations are associated with ...
Christian David Schmid   +20 more
wiley   +1 more source

Outgrowth of Rice Tillers Requires Availability of Glutamine in the Basal Portions of Shoots

open access: yesRice, 2018
Background Our previous studies concluded that metabolic disorder in the basal portions of rice shoots caused by a lack of cytosolic glutamine synthetase1;2 (GS1;2) resulted in a severe reduction in the outgrowth of tillers.
Miwa Ohashi   +7 more
doaj   +1 more source

Molecular mechanisms of adaptation of the moderately halophilic bacterium Halobacillis halophilus to its environment [PDF]

open access: yes, 2013
The capability of osmoadaptation is a prerequisite of organisms that live in an environment with changing salinities. Halobacillus halophilus is a moderately halophilic bacterium that grows between 0.4 and 3 M NaCl by accumulating both chloride and ...
Hänelt, Inga, Müller, Volker
core   +2 more sources

The Rhizobium GstI Protein Reduces the NH4+ Assimilation Capacity of Rhizobium leguminosarum

open access: yesMolecular Plant-Microbe Interactions, 2001
We show that the protein encoded by the glutamine synthetase translational inhibitor (gstI) gene reduces the NH4+ assimilation capacity of Rhizobium leguminosarum.
Rosarita Tatè   +6 more
doaj   +1 more source

Glutamine metabolism in the proliferation of GS-expression pituitary tumor cells

open access: yesEndocrine Connections, 2020
Objective: Many cancer cells cannot survive without exogenous glutamine (Gln); however, cancer cells expressing glutamine synthetase (GS) do not have this restriction.
Jintao Hu   +6 more
doaj   +1 more source

Asparagine promotes cancer cell proliferation through use as an amino acid exchange factor. [PDF]

open access: yes, 2016
Cellular amino acid uptake is critical for mTOR complex 1 (mTORC1) activation and cell proliferation. However, the regulation of amino acid uptake is not well-understood.
Braas, Daniel   +4 more
core   +1 more source

The intracellular location of nitrogen metabolism enzymes in Pisum arvense L. roots

open access: yesActa Societatis Botanicorum Poloniae, 2014
The time course changes of nitrate assimilation enzymes and their distribution has been studied in Pisum arvense roots. The results indicate that nitrate reductase (EC 1.6.6.2) and glutamine synthetase (EC 6.3.1.2) are present in the soluble fraction ...
Grażyna Kłobus   +2 more
doaj   +1 more source

Cancer metabolism at a glance [PDF]

open access: yes, 2016
A defining hallmark of cancer is uncontrolled cell proliferation. This is initiated once cells have accumulated alterations in signaling pathways that control metabolism and proliferation, wherein the metabolic alterations provide the energetic and ...
Gottlieb, Eyal   +5 more
core   +2 more sources

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