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  • Your Good Partner in Biology Research

    Human β-defensins 3 ELISA Kit

    • 中文名称:
      人β-防御素3 ELISA Kit
    • 货号:
      CSB-E14187h
    • 规格:
      96T/48T
    • 价格:
      ¥3600/¥2500
    • 其他:

    产品详情

    • 产品描述:

      This Human DEFB103A ELISA Kit was designed for the quantitative measurement of Human DEFB103A protein in serum, plasma, urine, cell culture supernates, tissue homogenates. 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:
      BD 3 ELISA Kit; BD-3 ELISA Kit; BD3 ELISA Kit; beta 103 ELISA Kit; Beta defensin 103A ELISA Kit; Beta defensin 103A precursor ELISA Kit; Beta defensin 3 ELISA Kit; Beta-defensin 103 ELISA Kit; Beta-defensin 3 ELISA Kit; D103A_HUMAN ELISA Kit; DEF B3 ELISA Kit; DEFB 103 ELISA Kit; DEFB 103A ELISA Kit; DEFB 3 ELISA Kit; DEFB-3 ELISA Kit; DEFB103 ELISA Kit; DEFB103A ELISA Kit; DEFB103B ELISA Kit; DEFB3 ELISA Kit; Defensin ELISA Kit; Defensin beta 103A ELISA Kit; Defensin beta 3 ELISA Kit; Defensin like protein ELISA Kit; Defensin-like protein ELISA Kit; HBD 3 ELISA Kit; hBD-3 ELISA Kit; HBD3 ELISA Kit; HBP 3 ELISA Kit; HBP3 ELISA Kit; mBD3 ELISA Kit
    • 缩写:
      DEFB103A
    • Uniprot No.:
    • 种属:
      Homo sapiens (Human)
    • 样本类型:
      serum, plasma, urine, cell culture supernates, tissue homogenates
    • 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
    • 说明书:
    • 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 β-defensins 3 in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.
       SampleSerum(n=4)
      1:1Average %96
      Range %91-101
      1:2Average %98
      Range %92-104
      1:4Average %92
      Range %87-96
      1:8Average %90
      Range %86-94
    • 回收率:
      The recovery of human β-defensins 3 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 TypeAverage % RecoveryRange
      Serum (n=5) 8782-94
      EDTA plasma (n=4)10298-106
    • 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/mlOD1OD2AverageCorrected
      80002.339 2.508 2.424 2.270
      40001.833 1.869 1.851 1.697
      20001.185 1.198 1.192 1.038
      10000.699 0.687 0.693 0.539
      5000.375 0.392 0.384 0.230
      2500.294 0.281 0.288 0.134
      1250.208 0.211 0.210 0.056
      00.153 0.155 0.154  
    • 本试剂盒所含材料:
      • A micro ELISA plate --- The 96-well plate has been pre-coated with an anti-human BD3 antibody. This dismountable microplate can be divided into 12 x 8 strip plates.
      • Two vials lyophilized standard ---Dilute a bottle of the standard at dilution series, read the OD values, and then draw a standard curve.
      • One vial Biotin-labeled BD3 antibody (100 x concentrate) (120 μl/bottle) ---Act as the detection antibody.
      • One vial HRP-avidin (100 x concentrate) (120 μl/bottle) ---Bind to the detection antibody and react with the TMB substrate to make the solution chromogenic.
      • One vial Biotin-antibody Diluent (15 ml/bottle) ---Dilute the Biotin-antibody.
      • One vial HRP-avidin Diluent (15 ml/bottle) ---Dilute the HRP-avidin solution.
      • One vial Sample Diluent (50 ml/bottle)---Dilute the sample to an appropriate concentration.
      • One vial Wash Buffer (25 x concentrate) (20 ml/bottle) ---Wash away unbound or free substances.
      • One vial TMB Substrate (10 ml/bottle) ---Act as the chromogenic agent. TMB interacts with HRP, eliciting the solution turns blue.
      • One vial Stop Solution (10 ml/bottle) ---Stop the color reaction. The solution color immediately turns from blue to yellow.
      • Four Adhesive Strips (For 96 wells) --- Cover the microplate when incubation.
      • An instruction manual

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    • 本试剂盒不含材料:
      • A microplate reader capable of measuring absorbance at 450 nm, with the correction wavelength set at 540 nm or 570 nm.
      • An incubator can provide stable incubation conditions up to 37°C±5°C.
      • Centrifuge
      • Vortex
      • Squirt bottle, manifold dispenser, or automated microplate washer
      • Absorbent paper for blotting the microtiter plate
      • 50-300ul multi-channel micropipette
      • Pipette tips
      • Single-channel micropipette with different ranges
      • 100ml and 500ml graduated cylinders
      • Deionized or distilled water
      • Timer
      • Test tubes for dilution

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    • 数据处理:
    • 货期:
      3-5 working days

    产品评价

    问答及客户评论

     常见问题解答
    Q:

    We want to use pbs buffer 7.4 as sample instead of serum/plasma etc. Would this affect the results? Can you give us any protocol/suggestion? We need an urgent reply:CSB-E14948h Human Antibacterial Peptide LL-37 ELISA Kit and CSB-E14187h Human β-defensins 3 ELISA Kit.

    A:
    Thanks for your inquiry.Sorry we did not ever tested PBS 7.4 as sample and we are not sure how it will go on.PBS is mainly composed of phosphate.
    Normally,there is no detection target in PBS.May I know if you were trying to say that the customer want to use PBS 7.4 as the sample diluent,not the mentioned serum,plasma sample?The kit is equiped with sample diluent in it and we suggest the customer use the sample diluent in the kit directly.
    If further questions,pls let us know.

    靶点详情

    • 功能:
      Exhibits antimicrobial activity against Gram-positive bacteria S.aureus and S.pyogenes, Gram-negative bacteria P.aeruginosa and E.coli and the yeast C.albicans. Kills multiresistant S.aureus and vancomycin-resistant E.faecium. No significant hemolytic activity was observed.
    • 基因功能参考文献:
      1. this study shows that hBD3 amplifies the response to bacterial DNA in both mouse and human immune cells in a TLR9-dependent manner PMID: 28102569
      2. the role of DEFB103 gene copy number variation (CNV) in ankylosing spondylitis (AS) susceptibility, was investigated. PMID: 26224324
      3. It may be concluded hepatitis B virus up-regulates HBD-3 and A3G expression in vivo and in vitro in placental trophoblast and lack of this up-regulation is possibly associated with intrauterine transmission of hepatitis B. PMID: 25196417
      4. The encoded peptide displays antimicrobial activity against S. aureus and E. faecium. PMID: 11085990
      5. these observations suggest that there may be an interracial difference in DEFB4/103A copy numbers between admixed populations and a relationship between DEFB1 single nucleotide polymorphisms and DEFB4/103A copy number variation PMID: 23194186
      6. Human beta-defensin 3 peptide is increased and redistributed in Crohn's ileitis PMID: 23511030
      7. study demonstrates that HBD2 and 3 activate plasmacytoid dendritic cells by enhancing the intracellular uptake of CpG and self DNA and promote DNA-induced IFN-alpha production in a TLR9-dependent manner PMID: 23776172
      8. Mapping of key residues in the interaction between human Beta-defensin 3 and CXCR4 reveals key defensin motifs involved in protein binding. PMID: 23659571
      9. These results suggest an important role for hBD3 in inducing dendritic cell activation, migration, and polarization. PMID: 22951718
      10. Using a large, unique cohort of pediatric CA-SAB, this study found no significant association between DEFB1 genetic variation or DEFB4/DEFB103 gene copy number and susceptibility for Staphylococcus aureus bacteremia PMID: 22384213
      11. Human beta-defensin 3 exhibits further functions than antimicrobial peptide activity in cultured bone cells, including stimulation of proliferation and differentiation. PMID: 21520074
      12. Data show that high-glucose conditions inhibited the BD3 expression of epidermal keratinocytes. PMID: 21442129
      13. hBD-1 might function as a tumor suppressor gene in oral squamous cell carcinoma, while hBD-2 and -3 might be protooncogenes. PMID: 21280982
      14. extraplacental membranes can react differentialy to the arrival of E. coli, secreting HBD2 and HBD3 mainly in the choriodecidua region. PMID: 21122132
      15. PPARgamma regulates the 1,25D-induced hBD-3 and cathelicidin expression in keratinocytes through the regulation of AP-1 and p38 activity. PMID: 20970965
      16. hBD3 represents a novel NF-kappaB-regulated mediator of CCR7 expression and anti-apoptotic pathways. PMID: 21071608
      17. Inducibility of HBD3 influences the severity of Gram-positive skin infection in humans in vivo. PMID: 20404083
      18. Data show that beta-defensin cluster (DEFB4, DEFB103 and DEFB104) varied between 2 and 9 copies per genome, and high copy numbers (>4) were underrepresented among patients, suggesting that increased copy numbers could protect from CD. PMID: 20483368
      19. Human pulmonary cells produce hBD-3 upon L. pneumophila infection via a TLR-JNK-AP-1-dependent pathway which may contribute to an efficient innate immune defense. PMID: 20615218
      20. The beta-defensin antimicrobial peptides hBD1, hBD2 and hBD3 were expressed by immature dendritic cells as well as gingival epithelial cells. PMID: 20618959

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    • 亚细胞定位:
      Secreted.
    • 蛋白家族:
      Beta-defensin family
    • 组织特异性:
      Highly expressed in skin and tonsils, and to a lesser extent in trachea, uterus, kidney, thymus, adenoid, pharynx and tongue. Low expression in salivary gland, bone marrow, colon, stomach, polyp and larynx. No expression in small intestine.
    • 数据库链接:

      HGNC: 15967

      OMIM: 606611

      KEGG: hsa:414325

      STRING: 9606.ENSP00000324633

      UniGene: Hs.283082



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