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  4. Human Soluble Cluster of Differentiation 80 (sCD80) ELISA Kit

Human Soluble Cluster of Differentiation 80 (sCD80) ELISA Kit

  • 中文名称：
    人可溶性CD80 (sCD80)酶联免疫试剂盒
  • 货号：
    CSB-E15768h
  • 规格：
    96T/48T
  • 价格：
    ￥3600/￥2500
  • 其他：

产品详情

  • 产品描述：

    This Human CD80 ELISA Kit was designed for the quantitative measurement of Human CD80 protein in serum, plasma, cell culture supernates. It is a Sandwich ELISA kit, its detection range is 125 pg/mL-8000 pg/mL and the sensitivity is 31.25 pg/mL.

  • 别名：
    CD80; CD28LG; CD28LG1; LAB7; T-lymphocyte activation antigen CD80; Activation B7-1 antigen; BB1; CTLA-4 counter-receptor B7.1; B7; CD antigen CD80
  • 缩写：
  • Uniprot No.：
  • 种属：
    Homo sapiens (Human)
  • 样本类型：
    serum, plasma, cell culture supernates
  • 检测范围：
    125 pg/mL-8000 pg/mL
  • 灵敏度：
    31.25 pg/mL
  • 反应时间：
    1-5h
  • 样本体积：
    50-100ul
  • 检测波长：
    450 nm
  • 研究领域：
    Immunology
  • 测定原理：
    quantitative
  • 测定方法：
    Sandwich
  • 精密度：
    Intra-assay Precision (Precision within an assay): CV%<8%
    Three samples of known concentration were tested twenty times on one plate to assess.
    Inter-assay Precision (Precision between assays): CV%<10%
    Three samples of known concentration were tested in twenty assays to assess.
  • 线性度：
    To assess the linearity of the assay, samples were spiked with high concentrations of human sCD80 in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.
    　 Sample Serum(n=4)
    1:1 Average % 103
    Range % 99-107
    1:2 Average % 87
    Range % 82-91
    1:4 Average % 96
    Range % 92-100
    1:8 Average % 90
    Range % 85-95
  • 回收率：
    The recovery of human sCD80 spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section.
    Sample Type Average % Recovery Range
    Serum (n=5) 85 80-89
    EDTA plasma (n=4) 94 90-98
  • 标准曲线：
    These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
    pg/ml OD1 OD2 Average Corrected
    8000 2.618 2.485 2.552 2.435
    4000 1.805 1.693 1.749 1.632
    2000 1.004 1.047 1.026 0.909
    1000 0.547 0.562 0.555 0.438
    500 0.351 0.334 0.343 0.226
    250 0.230 0.219 0.225 0.108
    125 0.162 0.171 0.167 0.050
    0 0.113 0.120 0.117 　
  • 数据处理：
  • 货期：
    3-5 working days

产品评价

靶点详情

  • 功能：
    Involved in the costimulatory signal essential for T-lymphocyte activation. T-cell proliferation and cytokine production is induced by the binding of CD28, binding to CTLA-4 has opposite effects and inhibits T-cell activation.; (Microbial infection) Acts as a receptor for adenovirus subgroup B.
  • 基因功能参考文献：
    1. Addition of TNFalpha to podocytes causes CD80 upregulation, actin reorganization and podocyte injury. PMID: 29022109
    2. Urinary CD80 levels were significantly higher in the children with minimal change disease than in the controls and patients with other causes of nephrotic syndrome. PMID: 29507273
    3. Results showed novel genetic associations with bone phenotypes and points to the CD80 gene as relevant in postmenopausal bone loss. PMID: 28466138
    4. Increased expressions of TLR-3, TLR-4 and CD80 mRNA and the level of urinary CD80/creatinine could be useful markers to differentiate patients of steroid-sensitive nephrotic syndrome in relapse from those with steroid-resistant nephrotic syndrome. PMID: 28210837
    5. The rs1915087 (C>T), rs6804441 (A>G) and rs41271391 (G>T) of B7 antigens were suspected as the factors associated with reduced risk of recurrent spontaneous abortion. PMID: 29069644
    6. Tregs were observed to regulate CD4(+), but not CD8(+), T cell infiltration into tumors through a CTLA-4/CD80 dependent mechanism. Disrupting CTLA-4 interaction with CD80 was sufficient to induce CD4 T cell infiltration into tumors. PMID: 28856392
    7. Results show that CD80 down-regulation is associated to aberrant DNA methylation in dysplasia of sporadic colonic carcinogenesis. This study indicates that the failure of immune surveillance mechanisms in non-inflammatory colon carcinogenesis may be linked to genomic methylation directly or indirectly affecting CD80 expression. PMID: 27377375
    8. Fabry disease is characterized by early occurrence of increased uCD80 excretion that appears to be a consequence of glycolipid accumulation. PMID: 27733175
    9. CTLA-4(+) microvesicles can competitively bind B7 costimulatory molecules on bystander dendritic cells, resulting in downregulation of B7 surface expression. PMID: 26979751
    10. The expression of B7-H6 is up-regulated in U87-derived glioma stem like cells. PMID: 27609569
    11. PD-1 receptor has a role in interacting with programmed cell death ligands and B7-1 PMID: 28270509
    12. CD80-QPAR platform provides a useful predictive model for unknown RA extract's bioactivities using the chemical fingerprint inputs PMID: 28337449
    13. this study shows that dendritic cells from rheumatoid arthritis patients have low expression levels of CD80 PMID: 27421624
    14. B7-1 is not expressed by podocytes in LN. A renoprotective effect of B7-1 blockade in LN patients cannot be ruled out but, if confirmed, cannot be the result of an effect on podocyte B7-1 PMID: 27198457
    15. analysis of CTLA4-Ig in B7-1-positive diabetic and non-diabetic kidney disease [review] PMID: 26409459
    16. Genetic interaction of CD80 and ALOX5AP was observed in systemic lupus erythematosus in Asian populations. PMID: 25862617
    17. Inhibitory Profile of Liver CD68+ Cells during HCV Infection as Observed by an Increased CD80 and PD-L1 but Not CD86 Expression PMID: 27065104
    18. Triple costimulation via CD80, 4-1BB, and CD83 ligand elicits the long-term growth of Vgamma9Vdelta2 T cells in low levels of IL-2. PMID: 26561569
    19. B7-1 is not induced in podocytes from patients with minimal change disease or focal segmental glomerulosclerosis. PMID: 26697986
    20. In the present study, we investigated the prognostic significance of the expression of three genes in the PD-L1 pathway, including PD-L1, B7.1 and PD-1, in three independent bladder cancer datasets in the Gene Expression Omnibus database. PMID: 25963805
    21. SNP rs1599795 in CD80 3'-UTR, through disrupting the regulatory role of miR-132-3p, miR-212-3p, and miR-361-5p in CD80 expression, contributed to the occurrence of gastric cancer. PMID: 24981235
    22. Meningococcal capsular polysaccharide-loaded vaccine nanoparticles induce expression of CD80. PMID: 24981893
    23. These findings reveal the distinct but complementary roles of CD80 and CD86 IgV and IgC domains in T cell activation. PMID: 24845157
    24. Expression of costimulatory molecules CD80/86 is an absolute requirement for efficient CD8 T cell priming by adenoviral vectors. PMID: 24951814
    25. Single-nucleotide polymorphisms in CD80 gene is associated with breast cancer risk after menopausal hormone replacement therapy. PMID: 24080446
    26. Data indicate that STAT5A and STAT5B transcription activator complex induces expression of CD80 gene. PMID: 24523507
    27. NOTCH1 protein regulates CD80/CD86-induced phosphatidylinositol 3-kinase signaling in interleukin-6 and indoleamine 2,3-dioxygenase production by dendritic cells PMID: 24415757
    28. lower expression on CD1c+ myeloid and CD303+ plasmacytoid DCs in pre-eclampsia PMID: 23773232
    29. No role in CD80 expression by podocytes was found for cytokines released by peripheral blood mononuclear cells PMID: 23689904
    30. Data indicate that low-dose decitabine (DAC) treatment can induce CD80 gene expression in a variety of cancer cells. PMID: 23671644
    31. These studies identify CD80-Fc as an alternative and potentially more efficacious therapeutic agent for overcoming PDL1-induced immune suppression and facilitating tumor-specific immunity PMID: 23918985
    32. Data indicate that the frequencies of CD11c, CD11c/CD86, HLA-DR/CD86, CD83 and CD80 were significantly high, while CD11c/HLA-DR was low in Hepatitis E infection. PMID: 23246582
    33. Lower expression of B7-1 and B7-2 proteins on peripheral monocytes in pre-eclampsia might indicate a secondary regulatory mechanism in response to the ongoing systemic maternal inflammation. PMID: 23289444
    34. he aim of this work was to analyse the interaction between early events in colonic ulcerative colitis-related and non-inflammatory carcinogenesis and CD80 expression to clarify what stimuli induce its up-regulation in these patients. PMID: 22704122
    35. mRNA expression analysis of B7-1 and NPHS1 in urinary sediment may be useful to differentiate between different histologic subtypes of glomerular kidney disease, particularly between minimal change disease and focal segmental glomerulosclerosis. PMID: 21414970
    36. Data suggest that expression of CD80, CD86, and CD40 on dendritic cells in normal endometrium is higher than on tumor infiltrating dendritic cells in endometrioid adenocarcinoma; this may reflect roles in antigen presentation/tumor escape. PMID: 22142817
    37. Data show that CD80 promoter and CD86 exon 8 allele frequencies vary significantly among populations of different ancestries. PMID: 22074996
    38. The interaction between PDL1 on antigen prresenting cells and B7.1 on T cells plays a dominant role in bidirectional interactions between these two molecules during alloimmune responses. PMID: 21697455
    39. the expression of the co-stimulatory molecule CD80 was decreased in intestines of celiac disease children after gluten-free diet. PMID: 21288140
    40. the costimulatory molecule CD80 prevents PDL1-mediated immune suppression by tumor cells and restores T cell activation PMID: 21555531
    41. Efficiency of GHA priming chemotherapy on refractory acute myeloid leukemia and myelodysplastic syndrome may be correlated with B7.1 expression. PMID: 18928583
    42. The low expression of CD80 and CD86 in thyroid papillary carcinoma may help them evade the immune system. PMID: 21469977
    43. study shows CTLA-4 can capture its ligands (CD80, CD86)from opposing cells by trans-endocytosis; data reveal mechanism of immune regulation in which CTLA-4 acts as an effector molecule to inhibit CD28 costimulation by cell-extrinsic depletion of ligands PMID: 21474713
    44. These results suggest that the polymorphisms of the CD86 gene may be used as genetic markers for making the diagnosis and prognosis of Graves' ophthalmopathy. PMID: 20884055
    45. Thalidomide can up-regulate the expression of B7-1 molecules on myeloma cells. PMID: 20034904
    46. increased CD80 and CD86 expression with the progression of tubulointerstitial lesion might play an important role in the development of lupus nephropathy PMID: 20979791
    47. B7-1 costimulation is required for induction and maintenance of lymphocytic choriomeningitis virus (LCMV)-specific CD8+ T cell memory, in T cell receptor (TCR)transgenic mice. PMID: 20601595
    48. B7-H1 and B7-1 significantly correlated with the pathological grade and tumor-node-metastasis (TNM) stage, respectively in pancreatic cancer. PMID: 20145927
    49. Data show that pollen grains triggered the production of IL-8, TNF-alpha, IL-6 and strongly upregulated the membrane expression of CD80, CD86, CD83, HLA-DR and caused only a slight increase in the expression of CD40. PMID: 20118277
    50. Thus, this study is the first demonstration of a distinct signaling event induced by CD80 and CD86 molecules in B cell lymphoma. PMID: 11726649

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  • 亚细胞定位：
    Membrane; Single-pass type I membrane protein.
  • 组织特异性：
    Expressed on activated B-cells, macrophages and dendritic cells.
  • 数据库链接：

    HGNC: 1700

    OMIM: 112203

    KEGG: hsa:941

    STRING: 9606.ENSP00000264246

    UniGene: Hs.838