site stats

Glutamine synthetase gene expression system

WebFeb 1, 1992 · High level expression of tissue inhibitor of metalloproteinases in Chinese hamster ovary cells using glutamine synthetase gene amplification. Bio/Technology 8 : 662–667. CAS PubMed Google Scholar WebSince selection of recombinant cell lines in the GS-CHO system is based on the balance between the expression of the GS gene introduced by the expression plasmid and the …

High-Level Expression of a Recombinant Antibody from Myeloma …

WebApr 10, 2024 · The protein encoded by this gene belongs to the glutamine synthetase family. It catalyzes the synthesis of glutamine from glutamate and ammonia in an ATP-dependent reaction. This protein plays a role in ammonia and glutamate detoxification, acid-base homeostasis, cell signaling, and cell proliferation. Glutamine is an abundant amino … WebApr 14, 2024 · The suggestion that the increased expression of neutral amino acid transporters is associated with the possible change in the metabolism of glutamine and … rocks and water ttg https://martinwilliamjones.com

A human expression system based on HEK293 for the stable

WebTransfected cells are selected by their ability to grow in glutamine free culture medium. Using the GS system we have been able to develop and optimise a large scale, serum … WebSep 1, 2015 · CHO-K1SV is a suspension, protein-free-adapted CHO-K1-derived cell line employing the glutamine synthetase (GS) gene expression system (GS-CHO expression system). The selection of high-producing mammalian cell lines is a crucial step in process development for the production of therapeutic antibodies. WebNov 3, 2006 · The mammalian glutamine synthetase gene is ∼10 kb in length and is composed of 7 exons and 6 introns . A ... A Tet-off expression system was used in LLC-PK 1-F + cells to rapidly activate and terminate transcription of a chimeric βG-GA gene that contains β-globin coding sequence and the 3′-untranslated region of rat glutaminase … otmar vieth essen

A streamlined implementation of the glutamine synthetase-bas…

Category:Comparative Investigation of Expression of Glutamatergic …

Tags:Glutamine synthetase gene expression system

Glutamine synthetase gene expression system

Optimization of cell line development in the GS-CHO expression system …

WebApr 11, 2024 · Here, a reporter system for rapidly investigating and optimizing reaction environments for NRPS CFE is described. This strategy is demonstrated in E. coli lysate reactions using blue pigment synthetase A (BpsA), a model NRPS, carrying a C-terminal tetracysteine (TC) tag which forms a fluorescent complex with the biarsenical dye, … WebApr 17, 2007 · Function. Glutamine synthetase that catalyzes the ATP-dependent conversion of glutamate and ammonia to glutamine ( By similarity ). Its role depends on tissue localization: in the brain, it regulates the levels of toxic ammonia and converts neurotoxic glutamate to harmless glutamine, whereas in the liver, it is one of the …

Glutamine synthetase gene expression system

Did you know?

WebJan 1, 2010 · Cell Xpress™ Technology Facilitates High-Producing Chinese Hamster Ovary Cell Line Generation Using Glutamine Synthetase Gene Expression System January 2010 DOI: 10.1007/978-90-481-3419-9_9 WebNov 14, 2024 · To offer a bioproduction system with low expression of heterologous proteins, we explored the use of human glutamine synthetase (GLUL) gene as a selection marker for the development of producer ...

WebOf CHO cell expression systems, the dihydrofolate reductase (DHFR) and the glutamine synthetase (GS) selection systems are the most commonly used. Citation 3 In cell lines deficient in the DHFR gene, e.g., CHO-DG44 cells, selection is performed in the medium without hypoxanthine and thymidine.

WebMar 21, 2024 · Entrez Gene Summary for GLUL Gene. The protein encoded by this gene belongs to the glutamine synthetase family. It catalyzes the synthesis of glutamine … WebПеревод контекст "expression system" c английский на русский от Reverso Context: In some embodiments, the anti-CD40 antibody, such as CHIR-12.12, can be produced in …

WebNov 14, 2024 · To offer a bioproduction system with low expression of heterologous proteins, we explored the use of human glutamine synthetase (GLUL) gene as a selection marker for the development of producer ...

WebDec 13, 2024 · By coupling the expression of the recombinant human erythropoietin with glutamine synthetase in a bicistronic vector, erythropoietin expression was significantly improved after the sequential increase of methionine sulfoximine, a GS inhibitor (Chin et al., 2024). Application of gene amplification technologies could expand the use of human cell ... otmar wasmerWebPreviously, it was inferred that a high glutamine synthetase (GS) activity in human embryonic kidney (HEK) 293E cells results in elevated resistance to methionine sulfoximine (MSX) and consequently hampers GS-mediated gene amplification and selection by MSX. To overcome this MSX resistance in HEK293 … otmar witteWebApr 11, 2024 · Here, a reporter system for rapidly investigating and optimizing reaction environments for NRPS CFE is described. This strategy is demonstrated in E. coli lysate … otmaryWebSep 24, 2013 · The glutamine synthetase-based protein expression system is widely used in industry and academia for producing recombinant proteins but relies on the … otmar witzgallWebIn cells derived from several types of cancer, a transcriptional program drives high consumption of glutamine (Gln), which is used for anaplerosis, leading to a metabolic addiction for the amino acid. Low or absent expression of Glutamine Synthetase (GS), the only enzyme that catalyzes de novo Gln synthesis, has been considered a marker of Gln … otmar wassermannWebThe fields of study he is best known for: Gene. Enzyme. DNA. Francisco M. Cánovas mainly investigates Biochemistry, Glutamine synthetase, Botany, Chloroplast and Enzyme. His … otmar wehrleGS is subject to reversible covalent modification. Tyr of all 12 subunits can undergo adenylylation or deadenylylation by adenylyl transferase (AT), a bifunctional regulatory enzyme. Adenylylation is a post-translational modification involving the covalent attachment of AMP to a protein side chain. Each adenylylation requires an ATP and complete inhibition of GS requires 12 ATP. … rocks and waves