Recombinant Human Cystine/glutamate transporter (SLC7A11) (Active)

1. the over-expression of SLC7A11, or supplementation with sufficiently cystine, or treatment with N-acetylcysteine significantly decreased P-gp expression and activity. It was suggested that ROS and SLC7A11/cystine were the two relevant factors responsible for the expression and function of P-gp, and that SLC7A11 might be a potential target modulating ADR resistance. PMID: 28630426
2. In some breast cancer cells, xCT antiporter expression is upregulated through the antioxidant transcription factor Nrf2 and contributes to their requirement for glucose as a carbon source. PMID: 28429737
3. accumulated mutant-p53 protein suppresses the expression of SLC7A11, a component of the cystine/glutamate antiporter, system xC(-), through binding to the master antioxidant transcription factor NRF2. PMID: 28348409
4. System xC(-)-mediated TrkA activation therefore presents a promising target for therapeutic intervention in cancer pain treatment. PMID: 29761734
5. High expression of cystine-glutamate antiporter SLC7A11 is associated with advanced pathological stages of liver carcinoma. SLC7A11 overexpression is a novel biomarker and a potential unfavorable prognostic factor as well as a potential therapeutic target for liver carcinoma. PMID: 29528250
6. the level of antisense SLC7A11 was markedly reduced in epithelial ovarian cancer tissues and cell lines compared with those of normal control; reduction of antisense SLC7A11 level prompted ovarian cancer cell migration mainly by suppressing the expression of SLC7A11 PMID: 29441937
7. CD44v9 in tumor specimens has potential as a novel indicator for identifying a cisplatin-chemoresistant population among urothelial cancer patients. CD44v8-10 contributes to reactive oxygen species defenses, which are involved in chemoresistance, by promoting the function of xCT, which adjusts the synthesis of glutathione. PMID: 29385995
8. Oncogenic PIK3CA alters methionine and cysteine utilization, partly by inhibiting xCT to contribute to the methionine dependency phenotype in human breast cancer cells. PMID: 29259101
9. these observations suggest that SLC7A11 may be a vital biomarker for the diagnosis and prognosis in human laryngeal squamous cell carcinoma (LSCC) and targeting SLC7A11 appears to be a potentially significant method for LSCC treatment. PMID: 29048627
10. Aberrant neuronal or neuroendocrine system may be involved in the suppressed reproductive performance in xCT deficient male mice. PMID: 28974116
11. overexpression of SLC7A11 in the context of glioblastoma multiforme may contribute to tumor progression. PMID: 28610554
12. miR-375 served as a tumor suppressor via regulating SLC7A11. PMID: 28627030
13. As targets of oncogenes with intrinsic tyrosine kinase activity, STAT3 and STAT5 become constitutively active in hematologic neoplasms and solid tumors, promoting cell proliferation and survival and modulating redox homeostasis via regulation xCT expression. (Review) PMID: 28202313
14. Authors found that the xCT expression was increased in peripheral blood monocyte of active tuberculosis. xCT expression in macrophage was induced by Mycobacterium tuberculosis (Mtb) through TLR2/Akt- and p38-dependent signaling pathway. PMID: 27129162
15. Genetic and pharmacological inhibition of xCT potentiated the cytotoxic effects of aspirin plus sorafenib; this effect was diminished by xCT overexpression. Low-dose aspirin plus sorafenib enhanced the cytotoxicity of cisplatin in resistant HNC cells through xCT inhibition and oxidant and DNA damage. PMID: 28057599
16. MUC1-C binds directly with CD44v and in turn promotes stability of xCT in the cell membrane PMID: 26930718
17. simultaneous mutations at all four acetylation sites completely abolish its ability to regulate metabolic targets, such as TIGAR and SLC7A11. Moreover, p53(4KR) is still capable of inducing the p53-Mdm2 feedback loop, but p53-dependent ferroptotic responses are markedly abrogated PMID: 27705786
18. ARF inhibits tumor growth by suppressing the ability of NRF2 to transcriptionally activate its target genes, including SLC7A11, a component of the cystine/glutamate antiporter that regulates reactive oxygen species (ROS)-induced ferroptosis. PMID: 28985506
19. Mechanistically, CD44v interacts with and stabilizes xCT and thereby promotes the uptake of cysteine for glutathione synthesis and stimulates side-population cell enrichment. PMID: 27279909
20. ATF4 expression fosters the malignancy of primary brain tumors and increases proliferation and tumor angiogenesis; experiments revealed that ATF4-dependent tumor promoting effects are mediated by transcriptional targeting the glutamate antiporter xCT PMID: 28553953
21. Identify mTORC2 as a critical regulator of amino acid metabolism in cancer via phosphorylation of the cystine-glutamate antiporter xCT. mTORC2 phosphorylates serine 26 at the cytosolic N terminus of xCT, inhibiting its activity. PMID: 28648777
22. Data suggest that glucose starvation of various neoplasm cell lines induces SLC7A11 expression; SLC7A11 overexpression decreases intracellular glutamate, an alternative source of metabolic energy; provision of alpha-ketoglutarate, a key downstream metabolite of glutamate, restores survival in SLC7A11-overexpressing neoplasm cell lines under glucose starvation. PMID: 28630042
23. Results suggest that expression of SLC7A11 in the context of glioma contributes to tumorigenesis, tumor progression, and resistance to standard chemotherapy. PMID: 27658422
24. High SLC7A11 expression is associated with glioma. PMID: 26980765
25. The most frequent SLC7A7 mutation in Japanese LPI patients is p.R410*, which is a founder effect mutation in northern Japan. PMID: 26865117
26. While the transsulfuration pathway plays a primary role in supplying Cys to the redox system in the liver, xCT is induced in cases of emergencies, by compensating for Cys supply systems. PMID: 28081640
27. Although LCN2 increased intracellular iron concentrations, LCN2-induced GSH may catalyze and override oxidative stress via CD44 and xCT, and subsequently enhance the survival of clear cell carcinoma tumor cells in oxidative stress-rich environment. PMID: 26729415
28. Study demonstrated that the mRNA expression levels of the two system xc- subunits, SLC7A11 and SLC3A2, in peripheral white blood cells are lowered in patients with schizophrenia than healthy individuals PMID: 26540405
29. the rate of cystine uptake was significantly faster than the rate of glutamate release in human glioma cells. PMID: 26252954
30. increased SLC7A11 expression predicted shorter malignant glioma patient survival. PMID: 26019222
31. We discovered that many genes involved in oxidative stress/antioxidant defense system, apoptosis/anti-apoptosis/cell death, and cellular response to unfolded proteins/topologically incorrect proteins are potentially regulated by xCT. PMID: 25860939
32. Data indicate that cystine-glutamate exchange transporter protein SLC7A11 mRNA is regulated by cellular stress and nonsense-mediated RNA decay (NMD). PMID: 25399695
33. Sulfasalazine, a relatively non-toxic drug that targets cystine transporter, may, in combination with CDDP, be an effective therapy for colorectal cancer. PMID: 26254540
34. These observations suggest that the expression of xCT in esophageal squamous cell carcinoma (ESCC) cells might affect the G1/S checkpoint and impact on the prognosis of ESCC patients PMID: 23771433
35. Our findings indicate that miRNA-27a negatively regulates SLC7A11 in cisplatin-resistant bladder cancer, and shows promise as a marker for patients likely to benefit from cisplatin-based chemotherapy PMID: 24516043
36. Results show that Nrf2 and ATF4 were upregulated by proteasome inhibition and cooperatively enhance human xCT gene expression upon proteasome inhibition. PMID: 25002527
37. IGF-I regulates cystine uptake and cellular redox status by activating the expression and function of xCT in estrogen receptor-positive (ER(+)) breast cancer cells by a mechanism that relies on the IGF receptor substrate-1 (IRS-1). PMID: 24686172
38. the xCT antiporter, which is expressed on one-third of triple-negative breast tumors in this study, may have a role in glutamine updake and dependence PMID: 24094812
39. These findings suggest that xCT is an independent predictive factor in glioblastomas PMID: 23096413
40. The pathways modify system activity beyond the level of xCT transcription, including regulation on the level of membrane trafficking and substrate availability, especially the regulation by glutamate transport through excitatory amino acid transporters. PMID: 21369940
41. Both IGF-1 and TGF-beta stimulated system xc-mediated cystine uptake in dental pulp cells. PMID: 21689549
42. Results reveal that increased expression of the cystine/glutamate antiporter system xCT in multiple sclerosis provides a link between inflammation and excitotoxicity in demyelinating diseases. PMID: 21639880
43. SLC7A11 is a functional target gene of the BACH1 transcription factor according to ChIP-seq and knockdown analysis in HEK 293 cells. PMID: 21555518
44. Data show that SLC7A11 is the direct target of miR-26b and its expression is remarkably increased in both breast cancer cell lines and clinical samples. PMID: 21510944
45. Review discusses system xc- function in vitro and in vivo, its role as an ambivalent drug target, and the relevance of oxytosis mediated by inhibition of xCT for identification of neuroprotective proteins and signaling pathways. PMID: 20053169
46. The cystine/glutamate antiporter demonstrates its major role of cystine and glutamate transport while modulating intracellular glutathione content and efflux in dendritic cells during cell differentiation and cross-presentation in a transgenic system. PMID: 20733204
47. x(c)(-) transporter provides a useful target for glioma therapy. PMID: 20007406
48. Cys(327) is a functionally important residue accessible to the aqueous extracellular environment and is structurally linked to the permeation pathway and/or the substrate binding site PMID: 14722095
49. topological model for xCT of 12 transmembrane domains with the N and C termini located inside the cell PMID: 15151999
50. Expression of Tat led to decrease in glutathione and increase in gamma-glutamyl transpeptidase. The transport function of xc-was upregulated and was accompanied by increases in mRNAs for xCT and 4F2hc and in corresponding protein levels. PMID: 15326101

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HGNC: 11059

OMIM: 607933

KEGG: hsa:23657

STRING: 9606.ENSP00000280612

UniGene: Hs.390594