VEGF R1 (Flt-1), VEGF R2 (KDR/Flk-1), and VEGF R3 (Flt-4) belong to the class III subfamily of receptor tyrosine kinases (RTKs). All three receptors contain seven immunoglobulin-like repeats in their extracellular domain and kinase insert domains in their intracellular region. They are best known for regulating VEGF family-mediated vasculogenesis, angiogenesis, and lymphangiogenesis. They are also mediators of neurotrophic activity and regulators of hematopoietic development. VEGF R2 is thought to be the primary inducer of VEGF-mediated blood vessel growth, while VEGF R3 plays a significant role in VEGF-C and VEGF-D-mediated lymphangiogenesis.
原厂资料:
Product Summary:
The Quantikine Mouse soluble VEGF R2 Immunoassay is a 4.5 hour solid-phase ELISA designed to measure mouse sVEGF R2 in cell culture supernates, tissue homogenates, serum, and plasma. It contains NS0-expressed recombinant mouse VEGF R2 and antibodies raised against the recombinant factor. This immunoassay has been shown to accurately quantitate the recombinant factor. Results obtained using natural mouse sVEGF R2 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 mouse sVEGF R2.
Precision:
Intra-Assay Precision (Precision within an assay)Three samples of known concentration were tested 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.
The recovery of mouse sVEGF R2 spiked to three levels throughout the range of the assay in various matrices was evaluated.
Sample Type
Average % Recovery
Range %
Cell Culture Supernates (n=4)
105
100-111
Serum (n=3)
104
82-120
Plasma (n=4)
108
89-116
Linearity:
To assess the linearity of the assay, samples containing and/or spiked with high concentrations of mouse sVEGF R2 in each matrix were diluted with Calibrator Diluent and then assayed.