Recombinant Human Radiation-inducible immediate-early gene IEX-1 (IER3)

1. Our findings suggest for the first time that the increased expression of IER3 protein may promote the aggressive progression of BCa. Importantly, IER3 may be a potential prognostic marker for BCa patients. PMID: 30249226
2. we determined the molecular mechanism responsible for IER3 degradation, involving a ternary complex of IER3, MDM2 and FHL2, which may contribute to cervical tumor growth. Furthermore, we demonstrated that FHL2 serves as a scaffold for E3 ligase and its substrate during the ubiquitination reaction, a function that has not been previously reported for this protein PMID: 26973248
3. Analysis of consensus EGR-binding elements (EBEs) showed that the immediate early response 3 gene (IER3) is a novel transcriptional target gene of EGR2 as confirmed by the luciferase assay, electrophoretic mobility-shift assay (EMSA), chromatin immunoprecipitation (ChIP), and western blot analysis. PMID: 27890615
4. Study characterized IEX-1's expression and function in rheumatoid arthritis synovial fibroblasts and showed that IEX-1 is highly expressed in RA-SFs and negatively regulates RA-SF activation. PMID: 27736946
5. interleukin-1beta (IL-1beta)-induced IER3 expression is mediated by the ERK1/2 target, transcription factor Elk-1. PMID: 25066273
6. findings suggest that IER3 is a putative tumor suppressor in the cervix, and the c-Ab1/p73beta/IER3 axis is a novel and crucial signaling pathway that confers etoposide chemosensitivity. PMID: 25666857
7. High expression of IER3 is associated with hepatocarcinoma. PMID: 25684507
8. In human samples removed from failed AVF, there was a significant increase in IEX-1 expression localized to the adventitia. PMID: 25036043
9. IEX-1 expression levels correlate with the severity of preeclampsia PMID: 23725081
10. Studied the binding effect of hcmv-miR-UL148D to the 3' untranslated region (3'UTR) of IEX-1.Results showed that only one binding site in the 3'UTR of IEX-1 was completely complementary to an 11nt sequence in the 5' terminus of hcmv-mir-UL148D. PMID: 23403649
11. the interference of IER3 with the PI3K/Akt-Fyn pathway represents a novel mechanism of Nrf2 regulation that may get lost in tumors and by which IER3 exerts its stress-adaptive and tumor-suppressive activity. PMID: 24311782
12. IEX-1 plays a role in suppression of apoptosis and protects cells by controlling sensitivity to TNFalpha under both normal and inflammatory conditions. PMID: 21250941
13. Altered IEX-1 expression can potentially be a new predictor of the malignant transformation and a prognostic indicator for cancer therapy. PMID: 22085302
14. Changes of methylation status of gene IEX-1 promoter CpG island correlates with hematologic malignancies. PMID: 21518511
15. IER3 plays a complex and to some extent contradictory role in cell cycle control and apoptosis. Effects of IER3 relate to an interference with certain signalling pathways PMID: 21112119
16. IER3 is upregulated in human PDLCs subjected to tensile stress related to mechano-induced cell cycle arrest. PMID: 20934684
17. Results suggest that hypertension in IEX-1 knockout mice may arise primarily from impaired cAMP signaling induced by overproduction of mitochondrial reactive oxygen species in vascular smooth muscle cells. PMID: 20713914
18. Impaired apoptosis, extended duration of immune responses, and a lupus-like autoimmune disease in IEX-1-transgenic mice. PMID: 11782530
19. regulation by p53 tumor suppressor and Sp1 PMID: 11844788
20. mechanical strain increased IEX-1 gene expression in macrophages PMID: 11910304
21. Characterization of a novel hexameric repeat DNA sequence in the promoter of the immediate early gene, IEX-1, that mediates 1alpha,25-dihydroxyvitamin D(3)-associated IEX-1 gene repression. PMID: 12032839
22. IEX-1 is a new type of ERK substrate that has a dual role in ERK signaling by acting both as an ERK downstream effector mediating survival and as a regulator of ERK activation PMID: 12356731
23. IEX-1 has roles in regulation of cell death and oncogenesis [review] PMID: 12510147
24. Overexpression of IEX-1S results in acceleration of TNF-alpha-induced hepatocyte apoptosis through blockade of the PI3K/Akt survival pathway. PMID: 12682234
25. failure of IEX-1 to express its protein reflects the numerous mechanisms by which HSV-1 thwarts the cells from expressing its genes after infection PMID: 12743274
26. IEX-1 attenuates NF-kappaB activation, a possible counter-regulatory process leading to apoptosis. PMID: 12761504
27. IEX-1 expression was stimulated by hydroxytamoxifen, that the degree of increase was greater in resistant cells (four-fold versus 1.5-fold) and that this hydroxytamoxifen regulation was estrogen receptor dependent PMID: 15120418
28. Our data suggest that IEX-1 may regulate apoptosis by directly interacting with various proteins involved in the control of apoptotic pathways. PMID: 15451437
29. concluded that IEX-1 mRNA is not preferentially degraded during HSV-1 infection and that HSV-1 instead inhibits the normal turnover of this mRNA PMID: 15767410
30. We found that p73beta targets the apoptotic program at multiple levels: facilitating caspase activation through p53-dependent signals and inducing p57KIP2, while down-regulating c-IPA1 and IEX1 through a p53-independent mechanism. PMID: 15781630
31. IEX-1 is organized in subnuclear structures and partially co-localizes with promyelocytic leukemia protein in HeLa cells PMID: 15855159
32. sequence-targeting mutagenesis reveals a transmembrane-like integrated region of the protein that is critical for both pro-apoptotic and anti-apoptotic functions PMID: 16567805
33. IEX-1 plays an important role in astrocytic differentiation of human glioma cells and that IEX-1 functions at downstream of PKA. PMID: 16960879
34. ICP27 is essential for IEX-1 mRNA stabilization whereas virion host shut plays little if any role PMID: 16973576
35. Modulates NF-kappaB-dependent antiapoptotic protection and thereby exerts tumor-suppressive potential. PMID: 17704804
36. This study indicates that an evaulation of IEX-1 expression may be clinically useful for predicting patient prognosis in pancreatic cancer. PMID: 18026799
37. study showed that IEX-1 is involved in the radiation-induced apoptosis of human glioma cells and that its overexpression enhances the apoptotic sensitivity of these cells to gamma-radiation PMID: 18564103
38. down-regulation of IEX-1 gene was associated with short survival in myelodysplastic syndrome patients PMID: 19152102
39. This study demonstrated the physical association of the MCL-1 and IEX-1 proteins, the modulatory role of MCL-1 in IEX-1-induced apoptosis, and the role of BIM as an essential downstream molecule for IEX-1-induced cell death. PMID: 19285955
40. The small interfering RNA knockdown of BNIP3, IER3, and SEPW1 genes affected critical multiple myeloma endothelial cell functions correlated with the overangiogenic phenotype PMID: 19690192
41. Results suggest dysregulated expression of IER3 is common in MDS (61% >4-fold increase or decrease in expression with decreased expression primarily in early MDS and increased expression primarily in later MDS progressing toward leukemia). PMID: 19773435

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HGNC: 5392

OMIM: 602996

KEGG: hsa:8870

STRING: 9606.ENSP00000259874

UniGene: Hs.730861