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GoPubMed Proteins lists recent and important papers and reviews for proteins. Page last changed on 31 Oct 2014.


Glutaminase, LGA
catalyzes the conversion of L-glutamine and H2O to L-glutamate and NH3 in glutamine catabolism [RGD, Feb 2006] (from NCBI)
Top mentioned proteins: ACID, HAD, CAN, V1a, AGE
Papers on Glutaminase
Characterisation and molecular dynamic simulations of J15 asparaginase from Photobacterium sp. strain J15.
Leow et al., Kuala Selangor, Malaysia. In Acta Biochim Pol, 22 Nov 2014
The properties of J15 asparaginase, which can work at physiological pH and has low glutaminase activity, suggest that this could be a good candidate for reducing toxic effects during cancer treatment.
Identification and Structural Analysis of an L-asparaginase Enzyme from Guinea Pig with Putative Tumor Cell-killing Properties.
Lavie et al., United States. In J Biol Chem, 15 Nov 2014
Elucidation of the ligand-free and aspartate-complex gpASNase1 crystal structures allows a direct comparison with the bacterial enzymes and serves to explain the lack of L-glutaminase activity in the guinea pig enzyme.
The glutamate hypothesis of schizophrenia: evidence from human brain tissue studies.
Sweet et al., Morgantown, United States. In Ann N Y Acad Sci, 14 Nov 2014
Studies of the glutamate metabolic pathway have been limited, although there is some evidence that excitatory amino acid transporter-2, glutamine synthetase, and glutaminase have altered expression in schizophrenia.
Metabolic reprogramming in transformed mouse cortical astrocytes: a proteomic study.
Leprince et al., Liège, Belgium. In J Proteomics, 08 Nov 2014
Indeed, except for a few enzymes such as pyruvate carboxylase and glutaminase that were not detected in our initial analysis, pertinent information on the abundance of most enzymes belonging to pathways relevant to metabolic reprogramming was directly obtained.
Action at a Distance: Allostery and the Development of Drugs to Target Cancer Cell Metabolism.
Dang et al., Cambridge, United States. In Chem Biol, 18 Oct 2014
We discuss the rationale for developing such drugs and review three targets with central roles in metabolic pathways crucial for cancer cell growth: pyruvate kinase muscle isozyme splice variant 2 (PKM2) in glycolysis, glutaminase in glutaminolysis, and mutations in isocitrate dehydrogenase 1 and 2 isozymes (IDH1/2) in the tricarboxylic acid cycle.
Hepatic encephalopathy in patients with acute decompensation of cirrhosis and acute on chronic liver failure.
Jalan et al., Sevilla, Spain. In J Hepatol, 09 Oct 2014
The exact pathophysiological mechanisms of HE in this group of patients are unclear but hyperammonemia, systemic inflammation (including sepsis, bacterial translocation and insulin resistance) and oxidative stress modulated by glutaminase gene alteration remain as key factors.
pH-responsive, gluconeogenic renal epithelial LLC-PK1-FBPase+cells: a versatile in vitro model to study renal proximal tubule metabolism and function.
Gstraunthaler et al., Innsbruck, Austria. In Am J Physiol Renal Physiol, Aug 2014
LLC-PK1-FBPase(+) cells grow in the absence of hexoses and pentoses and exhibit enhanced oxidative metabolism and increased levels of phosphate-dependent glutaminase.
Asparaginase in the treatment of non-ALL hematologic malignancies.
Sausville et al., Baltimore, United States. In Cancer Chemother Pharmacol, May 2014
Indeed, both Escherichia coli and Erwinia chrysanthemi asparaginases possess glutaminase enzymatic activity, and their administrations have shown to reduce serum glutamine level by deamidating glutamine to glutamate and ammonia.
THDP17 Decreases Ammonia Production through Glutaminase Inhibition. A New Drug for Hepatic Encephalopathy Therapy.
Romero-Gómez et al., Sevilla, Spain. In Plos One, Dec 2013
Ammonia production is implicated in the pathogenesis of hepatic encephalopathy (HE), being intestinal glutaminase activity the main source for ammonia.
Actinobacteriological research in India.
Kamat et al., Taleigao, India. In Indian J Exp Biol, Aug 2013
Research on enzymes mostly covered lipases, amylases, proteases, endoglucanases, a-galactosidases, pectin lyases, xylanases, L-asparaginases, L-glutaminase and cellulases.
In vivo HIF-mediated reductive carboxylation is regulated by citrate levels and sensitizes VHL-deficient cells to glutamine deprivation.
Iliopoulos et al., United States. In Cell Metab, Apr 2013
Lastly, HIF rendered VHL-deficient cells sensitive to glutamine deprivation in vitro, and systemic administration of glutaminase inhibitors suppressed the growth of RCC cells as mice xenografts.
Structural basis for the allosteric inhibitory mechanism of human kidney-type glutaminase (KGA) and its regulation by Raf-Mek-Erk signaling in cancer cell metabolism.
Sivaraman et al., Singapore, Singapore. In Proc Natl Acad Sci U S A, 2012
KGA activity in cells is stimulated by EGF, and KGA associates with all three kinase components of the Raf-1/Mek2/Erk signaling module.
Synaptic underpinnings of altered hippocampal function in glutaminase-deficient mice during maturation.
Rayport et al., New York City, United States. In Hippocampus, 2012
In wild-type (WT) mice, GLS1 gene expression was highest in the hippocampus and cortex, where it was reduced by about 50% in Glutaminase-deficient mice.
Proteomic analysis identifies dysfunction in cellular transport, energy, and protein metabolism in different brain regions of atypical frontotemporal lobar degeneration.
Bahn et al., Cambridge, United Kingdom. In J Proteome Res, 2012
A protein encoded by this locus was found to be differentially expressed in postmortem brains from patients with atypical frontotemporal lobar degeneration.
The metabolic profile of tumors depends on both the responsible genetic lesion and tissue type.
Bishop et al., San Francisco, United States. In Cell Metab, 2012
Inhibition of Gls1 kills lung cancer cells that overexpress MYC and catabolize glutamine.
Glucose-independent glutamine metabolism via TCA cycling for proliferation and survival in B cells.
Dang et al., Baltimore, United States. In Cell Metab, 2012
The essential role of glutamine metabolism in cell survival and proliferation under hypoxia and glucose deficiency makes them susceptible to the glutaminase inhibitor BPTES and hence could be targeted for cancer therapy.
Interferon-α regulates glutaminase 1 promoter through STAT1 phosphorylation: relevance to HIV-1 associated neurocognitive disorders.
Zheng et al., Omaha, United States. In Plos One, 2011
Data indicate that both HIV-1 infection and IFN-alpha treatment increase glutaminase 1 (GLS1) expression through STAT1 phosphorylation and by binding to the GLS1 promoter.
Mammalian glutaminase Gls2 gene encodes two functional alternative transcripts by a surrogate promoter usage mechanism.
Márquez et al., Málaga, Spain. In Plos One, 2011
Study demonstrated expression of alternative transcripts of the mammalian Gls2 gene. Transcriptional mechanisms giving rise to GLS2 variants and isolation of novel GLS2 transcripts in human, rat and mouse are presented.
Targeting mitochondrial glutaminase activity inhibits oncogenic transformation.
Cerione et al., Ithaca, United States. In Cancer Cell, 2010
We identify the target of this inhibitor to be the metabolic enzyme glutaminase, which catalyzes the hydrolysis of glutamine to glutamate.
c-Myc suppression of miR-23a/b enhances mitochondrial glutaminase expression and glutamine metabolism.
Dang et al., Baltimore, United States. In Nature, 2009
c-Myc transcriptionally represses miR-23a and miR-23b, resulting in greater expression of their target protein, mitochondrial glutaminase, in human P-493 B lymphoma cells and PC3 prostate cancer cells
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