Cystine slc7a11
WebApr 26, 2024 · SLC7A11 encodes the antiporter xCT that imports cystine, the oxidized dimer and main source of intracellular cysteine, and exports glutamate. Targeting xCT … WebApr 3, 2024 · Inhibit cystine importer SLC7A11/xCT and lead to depletion of GSH bank and oxidative stress-dependent cell death: Typhaneoside: AML: Induce autophagy by promoting the activation of the AMPK signal pathway and then increase the labile iron pool and promote the accumulation of cellular ROS:
Cystine slc7a11
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WebApr 25, 2024 · SLC7A11 promotes cystine uptake and glutathione biosynthesis, resulting in protection from oxidative stress and ferroptotic cell death. Recent studies have unexpectedly revealed that SLC7A11 also plays critical roles in glutamine metabolism and regulates the glucose and glutamine dependency of cancer cells. WebApr 18, 2024 · Cystine/glutamate antiporter xCT (SLC7A11) facilitates oncogenic RAS transformation by preserving intracellular redox balance Jonathan K. M. Lim , Alberto …
WebAug 15, 2024 · Lastly, we find that administration of cystine to tumor bearing mice increases glutamine use by tumors in vivo. Collectively, these results suggest that environmental cystine availability and xCT/ SLC7A11 expression are critical determinants of glutamine anaplerosis and glutaminase dependence. WebSLC7A11 (also known as XCT) is a member of a hetromeric, sodium-independent, anionic amino acid transport system. It is highly specific for cysteine and glutamate. SLC7A11 is …
WebMar 6, 2024 · These findings are notable because SLC7A11 codes for a cysteine-glutamate anti-porter regulating levels of the antioxidant glutathione, and it is a known target of the environmental neurotoxin... WebDec 8, 2024 · SLC7A11 also has a noticeably less charged tunnel leading to the extracellular gate compared to LAT1 and LAT2, which may also facilitate binding of the …
WebFeb 2, 2024 · We report that SLC7A11 function requires autophagy machinery for proper membrane localization in PDAC, allowing proper cystine transport. Our findings continue …
WebApr 12, 2024 · SLC7A11 and solute carrier family 3 member 2 (SLC3A2) constitute system Xc- together on the cell membrane, which exports glutamate and imports cystine at a 1:1 ratio. Cystine is rapidly transformed into cysteine intracellularly, the rate-limiting amino acid for the synthesis of GSH. dave coughenourWebCystine transporter solute carrier family 7 member 11 (SLC7A11) encodes the light chain subunit xCT of system x c − and promotes GSH synthesis by mediating Cys uptake and Glu release [51, 71]. SLC7A11 is overexpressed in multiple human cancers and promotes tumor survival [ 72 – 74 ]. dave cousins 14 day hackWebOct 1, 2024 · SLC7A11 mediates the antiporter activity of system xc−, whereas SLC3A2 anchors SLC7A11 to the plasma membrane and maintains SLC7A11 protein stability. Extracellular cystine is imported into the cell through SLC7A11, and then is converted to cysteine through a NADPH-consuming reduction reaction. black and gold star pillowsWeb与slc7a11在其他压力条件下已确立的促生存作用相反,在此我们报告了一个出乎意料的发现,即slc7a11过表达增强了癌细胞对葡萄糖的依赖性,并使癌细胞对葡萄糖饥饿诱导的细胞死亡更加敏感,相反,slc7a11缺乏则通过敲低或药理学抑制作用促进葡萄糖饥饿时癌 ... dave courtney plastic gangsterWebApr 24, 2024 · To examine the role of xCT in tumor growth, we generated xCT knockout cell lines by CRISPR-Cas9–mediated targeting of the Slc7a11 gene followed by expansion of single-cell clones. Murine MC38 colon cancer and Pan02 pancreatic cancer cell lines were selected for gene editing based on their ability to grow in immunocompetent mice. dave courtney house plumsteadWebApr 3, 2024 · Most cellular cysteine is acquired through the system x C – antiporter, which exchanges extracellular, oxidized cysteine (cystine) for intracellular glutamate. Yet, germline deletion of the system x C – gene, Slc7a11, is well tolerated in unstressed mice , which suggests that normal cells have low basal cystine import requirements. We ... dave courtney silver fern farmsWebCysteine is a sulfur-containing amino acid that is synthesized from methionine (see Fig. 103.3 ). Oxidation of cysteine forms cystine, a poorly soluble dimer. The most common … black and gold sports shop metairie la