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  4. Recombinant Human Interferon alpha-2 (IFNA2)

Recombinant Human Interferon alpha-2 (IFNA2)

  • 中文名稱：
    人IFNA2重組蛋白
  • 貨號(hào)：
    CSB-BP360706HU
  • 規(guī)格：
  • 來(lái)源：
    Baculovirus
  • 其他：
  • 中文名稱：
    人IFNA2重組蛋白
  • 貨號(hào)：
    CSB-EP360706HU-B
  • 規(guī)格：
  • 來(lái)源：
    E.coli
  • 共軛：
    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.

  • 其他：

產(chǎn)品詳情

  • 純度：
    Greater than 85% as determined by SDS-PAGE.
  • 基因名：
  • Uniprot No.：
  • 別名：
    Alpha 2a interferon ; IFN alpha 2b; IFN-alpha-2; IFNA; Ifna2; IFNA2_HUMAN; INFA2; Interferon alpha 2; Interferon alpha A; Interferon alpha-2; Interferon alpha-A; LeIF A; LeIFA
  • 種屬：
    Homo sapiens (Human)
  • 蛋白長(zhǎng)度：
    Full Length of Mature Protein
  • 表達(dá)區(qū)域：
    24-188aa
  • 氨基酸序列
    CDLPQTHSLGSRRTLMLLAQMRKISLFSCLKDRHDFGFPQEEFGNQFQKAETIPVLHEMIQQIFNLFSTKDSSAAWDETLLDKFYTELYQQLNDLEACVIQGVGVTETPLMKEDSILAVRKYFQRITLYLKEKKYSPCAWEVVRAEIMRSFSLSTNLQESLRSKE
  • 蛋白標(biāo)簽：
    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.
  • 產(chǎn)品提供形式：
    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.
  • 復(fù)溶：
    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.
  • 儲(chǔ)存條件：
    Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
  • 保質(zhì)期：
    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.
  • 貨期：
    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.
  • 注意事項(xiàng)：
    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.

產(chǎn)品評(píng)價(jià)

靶點(diǎn)詳情

  • 功能：
    Produced by macrophages, IFN-alpha have antiviral activities.
  • 基因功能參考文獻(xiàn)：
    1. Genetic mutation IFNA2p.Ala120Thr reduces the binding ability of interferon alpha 2 to the interferon receptor. The weakened binding reduces phosphorylation of transcription factor STAT91, and induces lower expression of interferon-stimulated genes against hepatitis B virus. PMID: 28958921
    2. Increased protein aggregation and decreased function of IFNA2a upon oxidation correlated with the site of modification identified by proteolysis-coupled mass spectrometry and local structural changes in the protein detected by 2D NMR. PMID: 30324266
    3. These experimental data establish the retromer complex as a key spatiotemporal regulator of IFNAR endosomal sorting and a new factor in type-I IFN-induced JAK/STAT signalling and gene transcription. PMID: 27917878
    4. PVT1 interacts with STAT1 to inhibit IFN-alpha signaling and tumor cells proliferation. PMID: 29715456
    5. Here, we investigated the molecular signals induced by ARI(azacytidine (A) and romidepsin (R), with IFNalpha2 ) treatment and found that this drug combination increased the accessibility to regulatory sequences of IFN-stimulated genes and IFN transcription regulatory factors that were epigenetically silenced in both colorectal cancer cells and Dendritic Cells. PMID: 28615266
    6. All the tested TLRAs induced greater infant IFN-alpha2 production compared to newborn and adult blood. In contrast, CpG induced greater IFN-gamma, IL-1beta, IL-4, IL-12p40, IL-10 and CXCL8 in newborn than in infant and adult blood. PMID: 27081760
    7. Interferon-alpha-induced CD100 expression on naive CD8(+) T cells enhances antiviral responses to hepatitis C infection through CD72 signal transduction. PMID: 28222623
    8. Tumor-associated M2 macrophages in mycosis fungoides acquire immunomodulatory function on exposure to IFN-alpha2a and IFN-gamma. PMID: 27342040
    9. The variant models of the hIFNalpha-2b displayed structural and conformational changes that signified that changes to hIFNalpha-2b may be a risk factor in addition to other known factors associated with onset/progression of female breast carcinoma. PMID: 27403569
    10. Increase in serum IFNA2 is associated with adenoma. PMID: 25793917
    11. Data suggest IFNA2 binding to extracellular domain of IFN receptors IFNAR1 or IFNAR2 promotes proximity between intracellular domains; signaling depends on duration of activation and affinity of binding rather than specific conformational changes. PMID: 26679999
    12. Report biased expression of human interferon alpha-2b and Escherichia coli methionine amino peptidase genes under control of single promoter in E. coli. PMID: 27087087
    13. interferon alpha-2b gene mutations were identified among brain tumor patients; highest percentage of frameshift mutations was identified; patients were found to be under environmental stress from contaminated drinking water and from local gamma radiations PMID: 25837663
    14. PPARalpha activation by an agonist WY-14643 could potentiate IFN-alpha responses, reverse IFN-alpha refractoriness, and enhance viral eradication in hepatocytes. PMID: 25734487
    15. modulates transitional B cell signaling and function in Systemic Lupus Erythematosus patients PMID: 25678471
    16. The chronic use of low dose of radiations by occupational workers has a significant correlation with mutational effects on interferon alpha 2b gene, further evident by depressed interferon alpha levels in serum. PMID: 25768396
    17. IFN-beta was significantly more effective than IFNA2 in protecting human head and neck squamous cell carcinoma lines from oncolysis by vesicular stomatitis. PMID: 25995245
    18. The structure, mechanism of action and biological activities of IFNalpha2. [Review] PMID: 25982860
    19. Therefore, this study associated, for the first time, in a large panel of pancreatic cancer cell lines the effects of IFN-alpha/-beta with the expression of type-I IFN receptors. PMID: 24460759
    20. IFN-1ant may be a therapeutic candidate for the treatment of specific viral infections without inducing the immunomodulatory and antiproliferative functions of wild-type IFN. PMID: 24866020
    21. IFNalpha serum marker could be used to identify a group of rheumatoid Arthritis patients with increased disease activity, endothelial progenitor cell imbalance, enhanced proinflammatory profile and higher cardiovascular risk. PMID: 24465874
    22. these findings establish critical and essential roles for SKAR in the regulation of mRNA translation of IFN-sensitive genes and induction of IFN-alpha biological responses. PMID: 25049393
    23. Hepatitis B virus could induce both SOCS-1 and 3 expression regardless of endogenous interferon level. PMID: 24636575
    24. IL6 is an inducer of IRF9 expression in prostate cancer and a sensitizer for the antiproliferative effects of IFNalpha2. PMID: 23913484
    25. IFNA2 inhibits viral protein expression through PKR activation, leading to a decrease of viral protein synthesis. PMID: 24089560
    26. These studies identify IFNalpha derived from lymph nodes, rather than blood leukocytes, as a possible source of the IFN-I signature that contributes to immune activation in HIV-1 infection PMID: 23437155
    27. Pre-treatment waking hypothalamic-pituitary-adrenal (HPA) axis response is greater in subjects switching to major depressive disorder during INFalpha2a treatment and may constitute a vulnerability factor in patients with hepatitis C virus infection. PMID: 22571879
    28. The association with clinical disease and activation of multiple inflammatory cytokines supports a role for IFN-alpha2 in disease perpetuation in a large subset of systemic lupus erythematosis patients. PMID: 23213068
    29. Obese subjects showed a decreased ability to produce IFN-alpha and IFN-beta in response to TLR ligands; this response was associated with increased basal levels of SOCS3 but not SOCS1. PMID: 22951153
    30. analysis of how an N-acetylgalactosamine residue at threonine 106 modifies the dynamics and structure of interferon alpha2a around the glycosylation site PMID: 23184955
    31. The authors concluded that IFN-alpha-induced inhibition of miR-122 may negatively affect the anti-hepatitis B virus function of IFN-alpha. PMID: 23055569
    32. Results showed that missense mutations in transmembrane protein 2 p.Ser1254Asn, interferon alpha 2 p.Ala120Thr, its regulator NLR family member X1 p.Arg707Cys, and complement component 2 p.Glu318Asp were associated with chronic hepatitis B. PMID: 22610944
    33. Successful immunostimulation by IFNalpha2b may help tongue squamous cell carcinoma patients in clinical improvement. PMID: 22885264
    34. Data indicate that the combination of AAV2.IL-4 and AAV2.IFN-alpha was not significantly different as compared to AAV2.IL-4 alone. PMID: 22685550
    35. The crystal structures of two human type I IFN ternary signaling complexes containing IFNalpha2 and IFNomega reveal recognition modes and heterotrimeric architectures that are unique among the cytokine receptor superfamily but conserved between type I IFNs. PMID: 21854986
    36. Structural AA changes in the C-helix interacting with IFNAlphaR1 may change the signaling dynamics leading to elevated APOBEC3 & lower IDO by an engineered mutant derived from the amino-terminal region of IFNalpha21b and the COOH-terminus from IFNalpha2c. PMID: 21757613
    37. interferon-stimulated genes which exerts its negative feedback action by taking advantage of the weakness of IFNalpha2 binding to the receptor PMID: 22731491
    38. protein kinase, DNA-activated catalytic polypeptide (PRKDC), was confirmed to play a role in MyD88-induced IFNA2 activation and IL-8 secretion PMID: 22332739
    39. variation at IFNA2 -173 and IFNA8 -884 conditions reduced IFN-alpha production, and increased susceptibility to SMA and mortality PMID: 22570109
    40. Data indicate that the production of IFN-alpha in supernatant of transfected cells was about 3.15 ng/mL. PMID: 22482409
    41. IFNalpha rapidly down-regulates BCL-6 mRNA in purified mouse normal germinal center B cells. PMID: 22204827
    42. we have demonstrated that IFNalpha2, a type I interferon, increases the expression of TLR3 on human dermal fibroblasts PMID: 21223583
    43. Interferon alpha 2 regulates MAPK and STAT1 pathways in human hepatoma cells. PMID: 21466707
    44. Degos disease is a distinct vascular injury syndrome whereby a dysregulated interferon-alpha response in concert with membranolytic attack complex deposition may contribute to the unique vascular changes. PMID: 21411783
    45. These findings indicate that the expression of MxA, 2',5'-OAS and PKR are up-regulate by PI3K-AKT signal pathway, and Raf-MEK-ERK signal pathway has a negative regulatory effect on the expression of MxA and no significant effect on 2',5'-OAS and PKR. PMID: 20309637
    46. Studies indicate that it remains unclear whether interruption of IFNalphaA and IL-10 signaling in the absence of CD73 activity results from a deficiency of its product adenosine or an accumulation of its substrate nucleotides. PMID: 21057730
    47. Data show that pDCs and type I IFNs promote inflammatory responses and wound healing in injured skin. PMID: 21115688
    48. The result suggests that hyper-induction of TNF-alpha in human macrophages is not always associated with a highly pathogenic phenotype of avian and human influenza viruses. PMID: 20532927
    49. Strategies are described to maximize expression of rightly processed human INF alpha2b protein in Pichia. PMID: 20159042
    50. Data show that serum concentrations of pegylated interferon alpha-2b increased in a dose-related manner. PMID: 19621225

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  • 亞細(xì)胞定位：
    Secreted.
  • 蛋白家族：
    Alpha/beta interferon family
  • 數(shù)據(jù)庫(kù)鏈接：

    HGNC: 5423

    OMIM: 147562

    KEGG: hsa:3440

    STRING: 9606.ENSP00000369554

    UniGene: Hs.211575