Recombinant Human cAMP-responsive element modulator (CREM)

Code CSB-YP005961HU
MSDS
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Source Yeast
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Code CSB-EP005961HU
MSDS
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Source E.coli
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Code CSB-EP005961HU-B
MSDS
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP005961HU
MSDS
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Source Baculovirus
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Code CSB-MP005961HU
MSDS
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Source Mammalian cell
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Product Details

Purity
>85% (SDS-PAGE)
Target Names
Uniprot No.
Alternative Names
cAMP-responsive element modulator; Inducible cAMP early repressor; ICER; CREM
Species
Homo sapiens (Human)
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form
Liquid or Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization
Tris/PBS-based buffer, 6% Trehalose.
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet
Please contact us to get it.

Customer Reviews and Q&A

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Target Background

Function
Transcriptional regulator that binds the cAMP response element (CRE), a sequence present in many viral and cellular promoters. Isoforms are either transcriptional activators or repressors. Plays a role in spermatogenesis and is involved in spermatid maturation.; May play a role in the regulation of the circadian clock: acts as a transcriptional repressor of the core circadian component PER1 by directly binding to cAMP response elements in its promoter.
Gene References into Functions
  1. CREM drives an inflammatory phenotype of T cells in Juvenile idiopathic arthritis. PMID: 29925386
  2. this study shows an eventually involvement of CREM gene in the development of T1D pathology in Tunisian families. These facts are consistent with a major role for transcription factor genes involved in the immune pathways in the control of autoimmunity. PMID: 27840176
  3. Data indicate a role for inducible cyclic AMP early repressor (ICER) in G1 checkpoint regulation in hematopoietic stem cells (HSCs). PMID: 27822872
  4. Study provides evidence that increased Set1 binding at the promoter induces aberrant epigenetic alterations and up-regulates CREMA in systemic lupus erythematosus. PMID: 27904655
  5. CREMalpha SNPs rs2295415 and rs1057108 may be novel genetic susceptibility factors for SLE, especially at haplotype level. PMID: 26601115
  6. These findings indicated that the polymorphisms of CREM gene were associated with nonobstructive azoospermia in the Chinese population and low CREM expression might be involved in the pathogenesis of spermatogenesis maturation arrest. PMID: 24943041
  7. overexpressed in the nuclei of hepatocellular carcinoma cells PMID: 25401338
  8. In Alzheimer's brain, we found an increased cellular expression of CREM in dentate gyrus neurons as compared to normal aging brains. PMID: 24100545
  9. Data suggest ICER/CREM plays seminal role in down-regulation of expression/secretion of insulin by pancreatic beta-cell as an adaptive response to factors that promote diabetes; inappropriate induction of ICER leads to beta-cell dysfunction. [REVIEW] PMID: 24672804
  10. CaMK4-dependent activation of AKT/mTOR and CREM-alpha underlies autoimmunity-associated Th17 imbalance. PMID: 24667640
  11. CREMalpha orchestrates epigenetic remodeling of the CD8A,B through the recruitment of DNA methyltransferase (DNMT) 3a and histone methyltransferase G9a. PMID: 24297179
  12. Data suggest that cyclic AMP response element modulator-1 (CREM-1) might play an important role in the regulation of tumor metastasis and invasion and serve as a tumor suppressor in esophageal squamous cell carcinoma (ESCC). PMID: 23929392
  13. Transcription factor CREM is an important regulator of atrial growth implicated in the development of atrial fibrillation. PMID: 22093963
  14. transcription factor cAMP-responsive element modulator alpha (CREMalpha), which is expressed at increased levels in T cells from systemic lupus erythematosus patients, contributes to transcriptional silencing of CD8A and CD8B. PMID: 24047902
  15. The results of this study suggested that the single nucleotide polymorphisms of CREM do not influence diagnosis and treatment response in patients with major depressive disorder and bipolar disorder. PMID: 22386572
  16. Increased CREMalpha binding to the Notch-1 promoter resulted in significantly reduced Notch-1 promoter activity and gene transcription. PMID: 23124208
  17. Data indicate that CpG-DNA methylation and mRNA expression of CREM, IL2, and IL17A of systemic lupus erythematosus (SLE) T cells reflect the effector memory CD4+ T-cell phenotype. PMID: 23019580
  18. CREM expression is increased in thyroid cancer tissue and may play a role in the downregulation of sodium iodide symporter expression in thyroid cancer acting at the transcriptional level PMID: 22510021
  19. Estrogen can modulate the expression of CREMalpha and lead to IL-2 suppression in human T lymphocytes, thus revealing a molecular link between hormones and the immune system in Systemic lupus erythematosus PMID: 22281835
  20. CREMalpha suppresses spleen tyrosine kinase expression in normal but not systemic lupus erythematosus T cells. PMID: 21953500
  21. scriptive Statement The rsults of this study suggested the lack of influence of SNPs under investigation in the present study on the susceptibility to schizophrenia and on the response to antipsychotics. PMID: 22198373
  22. cAMP-responsive element modulator alpha (CREMalpha) suppresses IL-17F protein expression in T lymphocytes from patients with systemic lupus erythematosus (SLE). PMID: 22184122
  23. Common variants of the CREM gene are involved in the genetic component conferring general susceptibility to inflammatory bowel disease in the Tunisian population. PMID: 22019623
  24. Data provide direct evidence that CREMalpha mediates silencing of the IL2 gene in SLE T cells though histone deacetylation and CpG-DNA methylation. PMID: 21976679
  25. cAMP-responsive element modulator (CREM)alpha protein induces interleukin 17A expression and mediates epigenetic alterations at the interleukin-17A gene locus in patients with systemic lupus erythematosus. PMID: 22025620
  26. Induction of ICER links oxidative stress to beta cell failure caused by oxidised LDL, and it can be effectively abrogated by antioxidant treatment. PMID: 21547497
  27. Phosphorylation of ICER on a discrete residue targeted ICER to be monoubiquitinated. PMID: 21767532
  28. AP-1-dependent up-regulation of the P2 promoter, SLE T cells fail to further increase their basal CREM levels upon T cell activation due to a decreased content of the AP-1 family member c-Fos PMID: 21757709
  29. ICER mediates chemotherapy anticancer activity through DUSP1-p38 pathway activation and drives the cell program from survival to apoptosis PMID: 21325296
  30. Patients with two types of male factor infertility display an increased abnormal methylation of CREM compared with control subjects. PMID: 21507395
  31. anscriptional activation of the cAMP-responsive modulator promoter in human T cells is regulated by protein phosphatase 2A-mediated dephosphorylation of SP-1 and reflects disease activity in patients with systemic lupus erythematosus. PMID: 21097497
  32. Results indicate that SPAG8 acts as a regulator of ACT and plays an important role in CREM-ACT-mediated gene transcription during spermatogenesis. PMID: 20488182
  33. review of CREM transcription factor involvement with spermatogenesis PMID: 11988318
  34. Increased expression of CREM in T cells from systemic lupus erythmatosus (SLE) patients results from increased transcriptional activity of the CREM gene, and its binding to IL-2 promoter is responsible for decreased production of IL-2 by SLE T cells. PMID: 12370343
  35. 5'-RACE on human testis cDNA indicated that exon theta2 is > or = 113 bp in size. In-vitro translation of CREM-theta1 and CREM-theta2 splice variants cloned from human testis yielded full length proteins and also shorter repressor products PMID: 12397208
  36. Direct binding of CREM to the CRE site of the IL-2 promoter endows CREM with a central role in repression of IL-2 gene expression: CREM binding promotes chromatin deacetylation, limits promoter accessibility and decreases its transcriptional activity. PMID: 12626549
  37. expression of cAMP-responsive element modulator(CREM) activators is a prerequisite for normal spermatogenesis, and the lack of CREM activator expression results in male infertility PMID: 14511788
  38. These findings provide little additional evidence for a susceptibility locus for panic disorder either within the CREM gene or in a nearby region of chromosome 10p11 in our sample PMID: 15048659
  39. Sperm nucleus PHGPx expression is mediated by the transcription factor CREM-tau, which acts as a cis-acting element localized in the first intron of the PHGPx gene. [CREM-tau] PMID: 15225122
  40. down-regulation of CREMtau-mediated gene expression by GCNF PMID: 15456763
  41. Lack of spermatid elongation was not due to defective CREM expression. Therefore, CREM did not play a pathogenetic role in the onset of SMA in humans. PMID: 15474076
  42. that heart-directed expression of CREM-IbDeltaC-X leads to complex cardiac alterations, suggesting CREM as a central regulator of cardiac morphology, function, and gene expression PMID: 15569686
  43. isoforms regulate discrete groups of genes in myometrium PMID: 15691874
  44. Results identify calcium/calmodulin-dependent kinase IV as being responsible for the increased expression of CREM and the decreased production of interleukin-2 in systemic lupus erythematosus T cells. PMID: 15841182
  45. CREM activator and repressor isoforms were found in all germ cell types, but not in Sertoli cells; data suggest a fine-tuning between CREM activator and repressor isoforms in normal germ cells that might be disturbed during impaired spermatogenesis PMID: 16048633
  46. SRp40 regulates the switch in splicing from production of CREMtau(2)alpha to CREMalpha PMID: 16103121
  47. Screening of a substantial number of patients would be required to clarify whether observed combinations of genetic changes in the CREM gene might explain some forms of male infertility. PMID: 16143638
  48. The interaction between CREM and one haplotype of ACT (activator of CREM in the testis) was reduced by 45% in a yeast two-hybrid assay. PMID: 16687568
  49. HNF4alpha, CREM, HNF1alpha, and C/EBPalpha have roles in transcriptional regulation of the glucose-6-phosphatase gene by cAMP/vasoactive intestinal peptide in the intestine PMID: 16893891
  50. These results constitute the first demonstration of the transcriptional control of ATP1A4 gene expression by cAMP and by CREMtau, a transcription factor essential for male germ cell gene expression. PMID: 16894555

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Subcellular Location
Nucleus.; [Isoform 6]: Cytoplasm. Nucleus.
Protein Families
BZIP family
Tissue Specificity
Expressed in testes (round spermatids) (at protein level). Isoform 14 is the major activator form in testes.
Database Links

HGNC: 2352

OMIM: 123812

KEGG: hsa:1390

UniGene: Hs.200250

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