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  • Your Good Partner in Biology Research

    Fish Insulin-like growth factors 1,IGF-1 ELISA Kit

    • 中文名称:
      鱼胰岛素样生长因子1(IGF-1)ELISA Kit
    • 货号:
    • 规格:
    • 价格:
    • 其他:


    • 产品描述:

      This Fish IGF-1 ELISA Kit was designed for the quantitative measurement of Fish IGF-1 protein in serum, plasma, tissue homogenates. It is a Competitive ELISA kit, its detection range is 25 pg/mL-2000 pg/mL and the sensitivity is 31.25 pg/mL.

    • 别名:
      igf1Insulin-like growth factor I ELISA Kit; IGF-I ELISA Kit; Somatomedin ELISA Kit
    • 缩写:
    • Uniprot No.:
    • 种属:
    • 样本类型:
      serum, plasma, tissue homogenates
    • 检测范围:
      25 pg/mL-2000 pg/mL
    • 灵敏度:
      31.25 pg/mL
    • 反应时间:
    • 样本体积:
    • 检测波长:
      450 nm
    • 研究领域:
      Signal Transduction
    • 测定原理:
    • 测定方法:
    • 说明书:
    • 精密度:
      Intra-assay Precision (Precision within an assay): CV%<15%      
      Three samples of known concentration were tested twenty times on one plate to assess.  
      Inter-assay Precision (Precision between assays): CV%<15%      
      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 fish IGF-1 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 % 94  
      Range % 90-98  
      1:2 Average % 95  
      Range % 91-99  
      1:4 Average % 102  
      Range % 98-106  
      1:8 Average % 87  
      Range % 82-93  
    • 回收率:
      The recovery of fish IGF-1 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) 95 90-99  
      EDTA plasma (n=4) 88 82-94  
    • 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    
      2000 0.341 0.343 0.342    
      750 0.476 0.484 0.480    
      375 0.682 0.636 0.659    
      125 1.067 1.072 1.070    
      25 1.488 1.567 1.528    
      0 1.955 1.995 1.975    
    • 数据处理:
    • 货期:
      3-5 working days





    I want to use Fish Igf-1 ELISA kit for fish's liver homogenate.
    In the protocol of the kit, for tissue homogenates, after homogenizing, stored overnight at -20oC. After 2 freeze-thaw cycles, centrifuge the homogenates.I do not understand too much about this. It means I have wait for 2 days to homogenate 2 sample (homogenate-> store -20oC-> thaw-> store 20oC -> thaw-> centrifuge)? Can you explain for me. Thanks!

    Thanks for your inquiry.Regarding tissue sample,pls store the sample which has been treated by PBS at -20 degrees overnight.After that,take the sample at room temperature and let it be thawed freely (the first freeze thaw cycle).Then freeze it at -80 degrees or store it at -20 degrees overnight.Then take it at temperature and let it be thawed freely.This is the 2nd freeze-thaw cycle.Regarding the later procedures,pls follow the manual.
    If any further questions,pls let me know.

    Can you let me know in which buffer the samples should be diluted?
    This is not written in de manual!

    Thanks for your inquiry.
    CSB-E12122Fh is no need to dilute generally.
    So there is no sample diluent included in this kit.Pls let me know if you have any further questions. Thank you.

    In the current protocol nothing is mentioned about an extraction of IGF-1 from binding proteins. This is generally a necessary procedure to properly measure IGF-1. Is an extraction, and if so which, recommended by Cusabio? Is this procedure in the most recent protocol?

    Thanks for your inquiry. There is no need to do extraction of IGF-1 from binding proteins for this kit.
    Because this kit employs the competitive inhibition enzyme immunoassay technique and detects the total IGF1. Pls let me know if you have any further questions. Thank you.


    • 功能:
      The insulin-like growth factors, isolated from plasma, are structurally and functionally related to insulin but have a much higher growth-promoting activity. Acts as a ligand for IGF1R. Binds to the alpha subunit of IGF1R, leading to the activation of the intrinsic tyrosine kinase activity which autophosphorylates tyrosine residues in the beta subunit thus initiatiating a cascade of down-stream signaling events leading to activation of the PI3K-AKT/PKB and the Ras-MAPK pathways. Binds to integrins. Its binding to integrins and subsequent ternary complex formation with integrins and IGFR1 are essential for IGF1 signaling.
    • 基因功能参考文献:
      1. Nutrient availability, IGF-I, and genetic variation affect weight loss, in part through alterations of proteolytic pathways in rainbow trout. PMID: 19726716
    • 亚细胞定位:
    • 蛋白家族:
      Insulin family
    • 数据库链接:

      UniGene: Omy.7104

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