نتایج جستجو برای: glutaminase
تعداد نتایج: 1660 فیلتر نتایج به سال:
Distribution of glutaminase and glutamine synthetase activities in the human gastrointestinal tract.
1. The activities of the two key enzymes involved in glutamine metabolism, glutaminase and glutamine synthetase, were measured in mucosal biopsies taken from different sites throughout the human gastrointestinal tract, from oesophagus to rectum. 2. The specific activity of glutamine synthetase was highest in the stomach (4.5 nmol glutamine formed per minute per mg of protein), but both small an...
1. Fatty n-acyl-CoA derivatives in the concentration range 5muM-0.1mM and with 5-18 fatty acyl carbons have dual effects on phosphate-activated glutaminase from pig brain and kidney. Generally, fatty acyl-CoA derivatives in low concentrations activate the enzyme, but inhibit at higher concentrations; phosphate and citrate potentiate the activation, displaying positive co-operatively, and protec...
NAD is a ubiquitous and essential metabolic redox cofactor which also functions as a substrate in certain regulatory pathways. The last step of NAD synthesis is the ATP-dependent amidation of deamido-NAD by NAD synthetase (NADS). Members of the NADS family are present in nearly all species across the three kingdoms of Life. In eukaryotic NADS, the core synthetase domain is fused with a nitrilas...
The capacity of rat neutrophils to utilize glutamine was investigated by 1) determination of oxygen consumption in the presence of glucose or glutamine, 2) measurement of maximal activity of phosphate-dependent glutaminase, 3) Northern blot, Western blot, and immunocytochemical detection of glutaminase, and 4) measurement of glutamine utilization and also production of ammonia, glutamate, aspar...
Prior work presented by us identified, in both pre-clinical models and a phase 2 clinical trial of sapanisertib (NCT02417701), that lung squamous cell carcinomas (LUSC) harboring NRF2 activating mutations are sensitive to treatment with the TORC1/2 inhibitor sapanisertib. Further preclinical data suggests suppression glycolysis is potentiated targeting glutaminolysis helps fuel Krebs cycle, whi...
The Protein Ontology (PRO) web resource provides an integrative framework for protein-centric exploration and enables specific and precise annotation of proteins and protein complexes based on PRO. Functionalities include: browsing, searching and retrieving, terms, displaying selected terms in OBO or OWL format, and supporting URIs. In addition, the PRO website offers multiple ways for the user...
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