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      Recombinant Human Leukocyte surface antigen CD47(CD47),partial

      In Stock
      • 貨號:
        CSB-MP004940HU
      • 規格:
      • 圖片:
        • (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 SIRPA (CSB-MP021334HU) at 2 μg/ml can bind human CD47, the EC50 of human CD47 protein is 65.91-82.42 ng/ml.

        • Human SIRPA protein His/Myc tag (CSB-MP021334HU) captured on COOH chip can bind Human CD47 protein Fc tag (CSB-MP004940HU) with an affinity constant of 19.1 nM as detected by LSPR Assay.

      • 其他:

      產品詳情

      • 純度:
        >Greater than 93% as determined by SDS-PAGE.
      • 內毒素:
        >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 SIRPA (CSB-MP021334HU) at 2 μg/ml can bind human CD47, the EC50 of human CD47 protein is 65.91-82.42 ng/ml.②Human SIRPA protein His/Myc tag (CSB-MP021334HU) captured on COOH chip can bind Human CD47 protein Fc tag (CSB-MP004940HU) with an affinity constant of 19.1 nM as detected by LSPR Assay.
      • 基因名:
        CD47
      • Uniprot No.:
      • 別名:
        Antigenic surface determinant protein OA3(Integrin-associated protein)(IAP)(Protein MER6)(CD47)
      • 分子結構:
      • 種屬:
        Homo sapiens (Human)
      • 蛋白長度:
        Partial
      • 來源:
        Mammalian cell
      • 分子量:
        41.5 kDa
      • 表達區域:
        19-139aa
      • 氨基酸序列
        QLLFNKTKSVEFTFCNDTVVIPCFVTNMEAQNTTEVYVKWKFKGRDIYTFDGALNKSTVPTDFSSAKIEVSQLLKGDASLKMDKSDAVSHTGNYTCEVTELTREGETIIELKYRVVSWFSP
      • 蛋白標簽:
        C-terminal FC-tagged
      • 產品提供形式:
        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.
      • 緩沖液:
        If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
        Note: If you have any special requirement for the glycerol content, please remark when you place the order.
        If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
      • 儲存條件:
        Store at -20°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
      • 保質期:
        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:
        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.
      • 注意事項:
        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.

      靶點詳情

      • 功能:
        Has a role in both cell adhesion by acting as an adhesion receptor for THBS1 on platelets, and in the modulation of integrins. Plays an important role in memory formation and synaptic plasticity in the hippocampus (By similarity). Receptor for SIRPA, binding to which prevents maturation of immature dendritic cells and inhibits cytokine production by mature dendritic cells. Interaction with SIRPG mediates cell-cell adhesion, enhances superantigen-dependent T-cell-mediated proliferation and costimulates T-cell activation. May play a role in membrane transport and/or integrin dependent signal transduction. May prevent premature elimination of red blood cells. May be involved in membrane permeability changes induced following virus infection.
      • 基因功能參考文獻:
        1. results suggest that cancers can evolve SE to drive CD47 overexpression to escape immune surveillance PMID: 28378740
        2. overexpression of human CD200 in donor pigs could constitute a promising strategy for overcoming xenograft rejection. PMID: 28968355
        3. High CD47 expression is associated with the increase in the ability of surviving breast cancer cells to evade innate and adaptive immunity. PMID: 29367423
        4. CD47 expression is decreased on the surface of erythrocytes in obese subjects. These changes in CD47 expression on the erythrocytes surface may be an adaptive response to hyperfibrinogenemia associated with obesity. PMID: 25914268
        5. Results show that the thrombospondin 1 (TSP1) and its receptor CD47 (CD47) axis selectively regulates NADPH oxidase 1 (Nox1) in the regulation of endothelial senescence and suggest potential targets for controlling the aging process at the molecular level. PMID: 29042481
        6. CD47 is overexpressed in primary non-small cell lung cancer (NSCLC) tissues and cell lines, suggesting that CD47 is a promising therapeutic target for NSCLC. PMID: 27411490
        7. Among the various candidate genes involved in acute rejection, CD47 inhibits monocyte/macrophage-mediated phagocytosis by identifying the CD47 signal regulatory protein alpha (SIRP-alpha) as self/non-self. Tissue factor pathway inhibitor (TFPI) is involved in the regulation of the coagulation pathway and is able to bind to another ligand of CD47, thrombospondin-1 (TSP-1). PMID: 28393401
        8. Blocking CD47 using antibodies could efficiently induce macrophage-mediated phagocytosis of tumor cells and treat cancers. PMID: 27863402
        9. High CD47 expression is not associated with Fibrolamellar Hepatocellular Carcinoma. PMID: 28801364
        10. TTI-621 (SIRPalphaFc) is a fully human recombinant fusion protein that blocks the CD47-SIRPalpha axis by binding to human CD47 and enhancing phagocytosis of malignant cells..These data indicate that TTI-621 is active across a broad range of human tumors. PMID: 27856600
        11. this review highlights the various functions of CD47, discusses anti-tumor responses generated by both the innate and adaptive immune systems as a consequence of administering anti-CD47 blocking antibody, and finally elaborates on the clinical potential of CD47 blockade. PMID: 28077173
        12. we observed neutrophilic infiltration was slightly increased in anti-CD47 treated tumors compared to IgG control. PMID: 28100392
        13. In pulmonary hypertension TSP1-CD47 is upregulated, and contributes to pulmonary arterial vasculopathy and dysfunction. PMID: 27742621
        14. thrombospondin-1 via CD47 inhibits renal tubular epithelial cell recovery after ischemia reperfusion injury through inhibition of proliferation/self-renewal. PMID: 27259369
        15. Engineering macrophages to eat cancer: from "marker of self" CD47 and phagocytosis to differentiation PMID: 28522599
        16. the results obtained by combining bioinformatics and preclinical studies strongly suggest that targeting TSP-1/CD47 axis may represent a valuable therapeutic alternative for hampering melanoma spreading. PMID: 27349907
        17. Results indicated that surgical resection combined with anti-CD47 blocking immunotherapy promoted an inflammatory response and prolonged survival in xenograft animal model, and is therefore an attractive strategy for clinical translation. PMID: 28076333
        18. Results show that the stronger expression of CD47 by cancer cells and larger number of total macrophages/M2 were independently related to shorter survivals. PMID: 27322955
        19. Prolongation of transient porcine chimerism via transgenic expression of human CD47 in a primate model is associated with an immune modulating effect, leading to markedly prolonged survival of donor swine skin xenografts. PMID: 27232934
        20. CD47 is a promising cancer biomarker, and targeting CD47 presents an effective and potential therapeutic strategy through synthesized mechanisms PMID: 26446381
        21. CD47 seems to mediate fusion mostly through broad contact surfaces between the partners' cell membrane while syncytin-1 mediate fusion through phagocytic-cup like structure. PMID: 27714815
        22. The results suggested a critical role of CD47 in laryngeal squamous cell carcinoma development. PMID: 27855370
        23. Data show that anti-human CD47 antibody B6H12 decreased expression of epidermal growth factor receptor (EGFR) and the stem cell transcription factors. PMID: 26840086
        24. suggest that microglial activation may be partially caused by CD47/signal regulatory protein-alpha- and CD200/CD200R-mediated reductions in the immune inhibitory pathways PMID: 27095555
        25. Our results highlight an underappreciated contribution of the adaptive immune system to anti-CD47 adjuvant therapy and suggest that targeting both innate and adaptive immune checkpoints can potentiate the vaccinal effect of antitumor antibody therapy. PMID: 27091975
        26. Data suggest a reduction in the CD47 antigen/signal-regulatory protein alpha (SIRPalpha) pathway by programmed cell death protein 1 (PD-1) blockade, which regulates Myeloid-derived suppressor cells (MDSCs) and tumor associated macrophages (TAMs). PMID: 26573233
        27. atherogenesis is associated with upregulation of CD47, a key anti-phagocytic molecule that is known to render malignant cells resistant to programmed cell removal, or 'efferocytosis' PMID: 27437576
        28. CD47 is a critical regulator in the metastasis of osteosarcoma and results suggest that targeted inhibition of this antigen by anti-CD47 may be a novel immunotherapeutic approach in the management of this tumor. PMID: 26093091
        29. agents that block the CD47:SIRP-alpha engagement are attractive therapeutic targets as a monotherapy or in combination with additional immune-modulating agents for activating antitumor T cells in vivo PMID: 26116271
        30. CD47 is an adverse prognostic factor and promising therapeutic target in gastric cancer. PMID: 26077800
        31. study demonstrates that antigen-presenting cells(CD47+) in coculture with human macrophages show a CD47 concentration-dependent inhibition of phagocytosis PMID: 25593301
        32. CD47 expression contributes to the lethal breast cancer phenotype that is mediated by HIF-1. PMID: 26512116
        33. CD47 is highly expressed on cancer stem cells, but not on other nonmalignant cells in the pancreas. PMID: 25717063
        34. CD47 mediates signaling from the extracellular matrix that coordinately regulates basal metabolism and cytoprotective responses to radiation injury PMID: 26311851
        35. CD47 has a central role in hydrogen sulfate biosynthesis, regulation and signaling in T cells. PMID: 25747479
        36. Loss of cell surface CD47 clustering formation and binding avidity to SIRPalpha facilitate apoptotic cell clearance by macrophages. PMID: 26085683
        37. While CD47 expression on circulating AML blasts has been shown to be a negative prognostic marker for a very defined population of AML patients with NK AML, CD47 expression on AML BM blasts is not PMID: 25943033
        38. Velcro" engineering of high affinity CD47 ectodomain as signal regulatory protein alpha (SIRPalpha) antagonists that enhance antibody-dependent cellular phagocytosis PMID: 25837251
        39. during translation of CD47, the scaffold function of the 3' UTR facilitates binding of proteins to nascent proteins, to direct their transport or function--and this role of 3' UTRs can be regulated by polyadenylation PMID: 25896326
        40. Report poor prognosis/survival in luminal breast cancer patients with circulating tumor cells co-expressing MET and CD47. PMID: 25230070
        41. Staphylococcal SElX and SSL6 proteins bind cell surface receptors PSGL-1 and CD47, respectively. PMID: 24840181
        42. The thrombospondin-1 receptor CD47 directly or indirectly regulates intercellular communication mediated by the transfer of extracellular vesicles between vascular cells. PMID: 24887393
        43. expression is induced following EBV infection of B cells; ligation cases G1 arres PMID: 24911792
        44. CD47 regulates the epigenetic code by targeting UHRF1. PMID: 25550546
        45. Elevated postinjury thrombospondin 1-CD47 triggering aids differentiation of patients' defective inflammatory CD1a+dendritic cells. PMID: 25001859
        46. the TSP-derived 4N1K peptide effects on cell adhesion and integrin activation are independent of CD47 PMID: 24848268
        47. CD47 associates with and regulates VEGFR2 in T cells. CD47 signaling modulates the ability of VEGF to regulate proliferation and TCR signaling, and autocrine production of vascular endothelial growth factor by T cells contributes to this regulation. PMID: 25200950
        48. Suppression of CD47 by morpholino approach suppressed growth of hepatocellular carcinoma in vivo and exerted a chemosensitization effect through blockade of CTSS/PAR2 signaling. PMID: 24523067
        49. CD47 plays the pivotal role in the immune evasion of primary effusion lymphoma cells in body cavities. Therapeutic antibody targeting of CD47 could be an effective therapy for PEL. PMID: 24726056
        50. Data indicate that CD47 in cis interactions regulate LFA-1 (integrin alphaLbeta2) and VLA-4 (integrin alpha4beta1) integrin affinity, and this process plays a substantial role in the adhesion of T-cells. PMID: 24006483

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      • 亞細胞定位:
        Cell membrane, Multi-pass membrane protein
      • 組織特異性:
        Very broadly distributed on normal adult tissues, as well as ovarian tumors, being especially abundant in some epithelia and the brain.
      • 數據庫鏈接:

        HGNC: 1682

        OMIM: 601028

        KEGG: hsa:961

        STRING: 9606.ENSP00000355361

        UniGene: Hs.446414



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