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Recombinant Human Early activation antigen CD69 (CD69), partial (Active)

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  • 货号:
  • 规格:
  • 图片:
    • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
    • Activity
      Measured by its binding ability in a functional ELISA. Immobilized Human CD69 at 2μg/mL can bind Anti-CD69 recombinant antibody (CSB-RA004952MA1HU), the EC50 is 23.17-26.04 ng/mL. Biological Activity Assay
  • 其他:


  • 纯度:
    Greater than 95% as determined by SDS-PAGE.
  • 内毒素:
    Less than 1.0 EU/ug as determined by LAL method.
  • 生物活性:
    ①Measured by its binding ability in a functional ELISA. Immobilized Human CD69 at 2 μg/mL can bind Anti-CD69 recombinant antibody (CSB-RA004952MA1HU), the EC50 is 23.17-26.04 ng/mL.
  • 基因名:
  • Uniprot No.:
  • 别名:
    (Activation inducer molecule)(BL-AC/P26)(C-type lectin domain family 2 member C)(EA1)(Early T-cell activation antigen p60)
  • 种属:
    Homo sapiens (Human)
  • 蛋白长度:
    Extracellular Domain
  • 来源:
    Mammalian cell
  • 分子量:
    18.7 kDa
  • 表达区域:
  • 氨基酸序列
  • 蛋白标签:
    C-terminal 10xHis-tagged
  • 产品提供形式:
    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.
  • 缓冲液:
    Lyophilized from a 0.2 μm filtered 20 mM Tris-HCl, 0.5 M NaCl, 6% Trehalose, pH 8.0
  • 复溶:
    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.
  • 储存条件:
    Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
  • 保质期:
    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.
  • 货期:
    Basically, we can dispatch the products out in 3-7 working days after receiving your orders. Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
  • 注意事项:
    Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.
  • Datasheet & COA:
    Please contact us to get it.



  • 功能:
    Involved in lymphocyte proliferation and functions as a signal transmitting receptor in lymphocytes, natural killer (NK) cells, and platelets.
  • 基因功能参考文献:
    1. CD69 is a direct target of miR-367-3p. PMID: 30015935
    2. The frequency of CD69+ T cells was significantly higher in CD8+ and CD4+ T cells in nasal polyps compared with the peripheral blood of patients with chronic rhinosinusitis. PMID: 29749428
    3. this paper shows that decrease of CD69 levels on TCR Valpha7.2(+)CD4(+) innate-like lymphocytes is associated with impaired cytotoxic functions in chronic hepatitis B virus-infected patients PMID: 28606013
    4. AIM expression in the kidney was associated with urinary protein and decline in kidney function. PMID: 26846784
    5. Higher CD69 expression were less sensitive to bendamustine and is associated with chronic lymphocytic leukemia. PMID: 26701728
    6. In vitro functional assays showed that CD69(+) Treg cells exerted an important suppressive effect on the activation of T effector cells PMID: 26100786
    7. results demonstrate the functional and mechanistic interplays between CD69 and S100A8/S100A9 in supporting Treg-cell differentiation PMID: 26296369
    8. Elevated expression of CD69 and CD161 on NK cells can be considered as immunological risk markers in RSA and IVF failure. PMID: 24975965
    9. these findings identify CD69 and galectin-1 to be a novel regulatory receptor-ligand pair that modulates Th17 effector cell differentiation and function. PMID: 24752896
    10. REVIEW: CD69 exerts a complex immunoregulatory role in humans, and that it could be considered as a target molecule for the therapy of immune-mediated diseases PMID: 23954168
    11. Following coculture with GTKO/CD46 pig mesenchymal stromal cells, it is possible that upregulation of CD69 on human T cells initiates signaling events that would regulate CD4+ and CD8+ T cell activation and differentiation. PMID: 24044963
    12. In patients with allergic rhinitis CD69 antigen is overexpressed on human peripheral blood natural killer cells reflecting their activation status. PMID: 23454781
    13. This is the first report of the regulation of CD69 expression by LMP-1, and this novel finding may, thus, represent an important link between the EBV oncoprotein LMP-1 and its critical role in the development of EBV-associated diseases. PMID: 23546309
    14. CD69 is induced by integrin alpha4beta1 outside-in signalling and T-cell receptor signalling. PMID: 23758320
    15. CD69 overexpression is associated with the human T-cell leukemia virus type 1 infection and adult T-cell leukemia. PMID: 23507197
    16. Intron I acts as an important regulatory element of CD69 expression. PMID: 22456278
    17. CD69 is significantly correlated with poor clinical and biological prognostic factors and is confirmed to be an independent disease prognosticator in chronic lymphocytic leukemia. PMID: 21993667
    18. Priming with apoptotic debris prevented DCs from establishing cytotoxicity toward live human tumor cells by inducing a Treg-cell population, defined by coexpression of CD39 and CD69 PMID: 22678911
    19. T cells isolated from the hepatocellular carcinoma tissues expressed significantly more CD69 molecules than did those on paired circulating and nontumor-infiltrating T cells; these tumor-derived CD69(+) T cells could induce considerable IDO in monocytes PMID: 22184722
    20. Results suggest that H. pylori induces CD69 expression through the activation of NF-kappaB, and that cagPAI might be relevant in the induction of CD69 expression in T cells. CD69 in T cells may play a role in H. pylori-induced gastritis. PMID: 21990950
    21. Caffeine does not appear to depress Natural killer cell CD69 expression. PMID: 21152932
    22. Studies provide a mechanistic link between CD69 and the regulation of T(H)17 responses. PMID: 21427408
    23. The expression of CD69 in T lymphocytes from nasal polyps was abnormally high. PMID: 15952571
    24. structure refined to 1.37 A resolution provides further details of the overall structure and the asymmetric interface between the monomers in the native dimer PMID: 20054122
    25. analysis of CD69 molecules on human CD4+ T cell membrane PMID: 19670272
    26. CD69 engagement initiates protein tyrosine kinase-dependent signaling pathways in IL-2-activated NK cells by inducing selective activation of Syk, but not ZAP70, kinase. PMID: 12077230
    27. CD69 transduces a Bcl-2-dependent death signal when ligated by a specific antibody. As the function of CD69 appears to be restricted to activated eosinophils, making an ideal target for therapeutic intervention in asthma. PMID: 12234263
    28. a higher CD69 expression when atopic neutrophils were incubated with GM-CSF compared to non-atopic neutrophils PMID: 12540017
    29. GM-CSF, IFN-gamma or IFN-alpha significantly induced CD69 expression on neutrophils. We demonstrated the capacity of CD69 to act as a costimulus for TNF-alpha production by neutrophils. PMID: 12718936
    30. expression of CD69 on CD3+ and CD8+ peripheral blood T cells correlates closely with the presence of acute graft rejection in renal allograft recipients PMID: 12865808
    31. Increased CD69 of T lymphocytes, along with abnormally elevated immunologically active molecules play an important role in immune pathogenesis of patients with myelodysplastic syndrome(MDS). PMID: 14728878
    32. CD69 forms a complex with and negatively regulates S1P1 and that it functions downstream of IFN-alpha/beta, and possibly other activating stimuli, to promote lymphocyte retention in lymphoid organs PMID: 16525420
    33. Plasmodium falciparum histidine-rich protein II reduces CD69 expression in T cells. PMID: 16788832
    34. data suggest unidentified natural ligands for CD69 and/or CD69 autoantibodies possibly affect joint-composing cell types through increased production of S100A9 in neutrophils, providing insight into functions of CD69 on neutrophils in rheumatoid arthritis PMID: 17237603
    35. IL-3 is a central inducer of CD69 expression. Upregulated CD69 expression on locally accumulated basophils in bronchial asthma may be partly due to a combination of local cytokines, especially IL-3, plus IgE-cross-linking allergens. PMID: 17541278
    36. Since induction of CD69 surface expression is dependent on the activation of the protein kinase C (PKC) activation pathway, it is suggested that in chronic fatigue syndrome there is a disorder in the early activation of the immune system involving PKC. PMID: 17693977
    37. results do not support a major role for the CD69 gene polymorphisms in RA genetic predisposition in our population. PMID: 18627570
    38. the physical, biochemical and in vivo characteristics of a highly stable soluble form of CD69 obtained by bacterial expression of an appropriate extracellular segment of this protein. PMID: 18959746
    39. Expression of CD69 and IL8 is upregulated upon Bcr-Abl expression PMID: 19383348
    40. soluble factors in SSc plasma inhibit Treg function specifically that is associated with altered Treg CD69 and TGFbeta expression PMID: 19543397



  • 亚细胞定位:
    Membrane; Single-pass type II membrane protein.
  • 组织特异性:
    Expressed on the surface of activated T-cells, B-cells, natural killer cells, neutrophils, eosinophils, epidermal Langerhans cells and platelets.
  • 数据库链接:

    HGNC: 1694

    OMIM: 107273

    KEGG: hsa:969

    STRING: 9606.ENSP00000228434

    UniGene: Hs.208854