Human VE-Cadherin Quantikine ELISA Kit

  • Assay Type
    Solid Phase Sandwich ELISA
  • Format
    96-well strip plate
  • Assay Length
    4.5 hours
  • Sample Type & Volume Required Per Well
    Cell Culture Supernates (25 uL), Serum (10 uL), EDTA Plasma (10 uL), Heparin Plasma (10 uL)
  • Sensitivity
    0.236 ng/mL
  • Assay Range
    1.6 - 100 ng/mL (Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma)
  • Specificity
    Natural and recombinant human VE-Cadherin
  • Cross-reactivity
    < 0.5% cross-reactivity observed with available related molecules.< 50% cross-species reactivity observed with species tested.
  • Interference
    No significant interference observed with available related molecules.
Product Summary
The Quantikine Human VE-Cadherin Immunoassay is a 4.5 hour solid-phase ELISA designed to measure human VE-Cadherin in cell culture supernates, serum, and plasma. It contains NS0-derived recombinant human VE-Cadherin and has been shown to accurately quantitate the recombinant factor. Results obtained using natural human VE-Cadherin showed linear curves that were parallel to the standard curves obtained using the Quantikine kit standards. These results indicate that this kit can be used to determine relative mass values for naturally occurring human VE-Cadherin.

Intra-Assay Precision (Precision within an assay) Three samples of known concentration were times on one plate to assess intra-assay precision.
Inter-Assay Precision (Precision between assays) Three samples of known concentration were tested in separate assays to assess inter-assay precision.
Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma
Intra-Assay Precision Inter-Assay Precision
Standard Deviation0.681.632.050.921.642.86


The recovery of VE-Cadherin spiked to levels throughout the range of the assay was evaluated.

Sample Type Average % Recovery Range %
Cell Culture Media (n=4) 101 94-108
To assess the linearity of the assay, samples containing high concentrations of VE-Cadherin were serially diluted with Calibrator Diluent to produce samples with values within the dynamic range of the assay.
Preparation and Storage
  • Storage
    Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Background: VE-Cadherin

The cadherin superfamily comprises a large number of cell surface glycoproteins with one or more cadherin repeats, which are involved in Ca2+-dependent cell-cell adhesion. Classical cadherins contain five extracellular cadherin repeats and a conserved cytoplasmic region that interacts with the actin cytoskeleton via catenins. In addition to cell adhesion, cadherins also mediate morphogenesis, cytoskeletal organization, and cell migration. In addition to the classical cadherins, the cadherin superfamily also includes desmosomal cadherins, protocadherins, 7TM cadherins, FAT family cadherins, and T-cadherin.

    • Long Name
      Vascular Endothelium Cadherin
    • Entrez Gene IDs
      1003 (Human); 12562 (Mouse);
    • Alternate Names
      7B4 antigen; 7B4; cadherin 5, type 2 (vascular endothelium); cadherin 5, type 2, VE-cadherin (vascular epithelium); Cadherin-5; CD144 antigen; CD144; CDH5; endothelial-specific cadherin; FLJ17376; Vascular endothelial cadherin; VECadherin; VE-cadherin;
    Related Research Areas
    Assay Procedure
    Refer to the product for complete assay procedure.

    Bring all reagents and samples to room temperature before use. It is recommended that all samples, standards, and controls be assayed in duplicate.
    1.   Prepare all reagents, standard dilutions, and samples as directed in the product insert.
    2.   Remove excess microplate strips from the plate frame, return them to the foil pouch containing the desiccant pack, and reseal.

    3. 100 µL Assay Diluent
    4.   Add 100 µL of Assay Diluent to each well.

    5. 50 µL Standard, Control, or Sample
    6.   Add 50 µL of Standard, control, or sample to each well. Cover with a plate sealer, and incubate at room temperature for 2 hours.
    7.   Aspirate each well and wash, repeating the process 3 times for a total of 4 washes.

    8. 200 µL Conjugate
    9.   Add 200 µL of Conjugate to each well. Cover with a new plate sealer, and incubate at room temperature for 2 hours.
    10.   Aspirate and wash 4 times.

    11. 200 µL Substrate Solution
    12.   Add 200 µL Substrate Solution to each well. Incubate at room temperature for 30 minutes. PROTECT FROM LIGHT.

    13. 50 µL Stop Solution
    14.   Add 50 µL of Stop Solution to each well. Read at 450 nm within 30 minutes. Set wavelength correction to 540 nm or 570 nm.
    Supplemental ELISA Products
    Description Application Cat# Citations Images  

    Quantikine Wash Buffer 1

    ELISA WA126 5
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