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Rat VEGF ELISA kitEK0523

  Catalog No. Package Size Price
EK0523-1 1x96T $399.00
EK0523-2 5x96T $1799.00
EK0523-3 10x96T $3459.00

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Description
  • Product Name Rat VEGF ELISA kit
  • Brief Description ELISA Kit
  • Applications Solid Phase Sandwich ELISA
  • Species Reactivity Rat
  • Specificity Natural and recombinant Rat VEGF Ligand
  • Crossing Reactivity No significant interference observed with available related molecules.
  • Target Name Rat VEGF
Application Details

Detect Range: 0.02 - 1.0 ng/mL
Sensitivity: 4pg/mL
Sample Type: Cell culture supernatant, serum, plasma (EDTA, citrate, heparin)
Sample Volume: 20 uL
Assay Time: 3 hour
Detection method: Colorimetric

Images
  • Rat VEGF ELISA kit - Absci

    Representative standard curve for VEGF ELISA. VEGF was diluted in serial two-fold steps in Sample Diluent.

Product Description
  • Aluminium pouches with a Microwell Plate coated with antibody to rat VEGF (8X12)
  • 2 vials rat VEGF Standard lyophilized, 1000 pg/vial upon reconstitution
  • 2 vials concentrated Biotin-Conjugate anti-rat VEGF antibody
  • 2 vials Streptavidin-HRP solution
  • 1 bottle Standard /sample Diluent
  • 1 bottle Biotin-Conjugate antibody Diluent
  • 1 bottle Streptavidin-HRP Diluent
  • 1 bottle Wash Buffer Concentrate 20x (PBS with 1% Tween-20)
  • 1 vial Substrate Solution
  • 1 vial Stop Solution
  • 4 pieces Adhesive Films
  • package insert
Background

Vascular endothelial growth factor (VEGF or VEGF-A), also known as vascular permeability factor (VPF), is a potent mediator of both angiogenesis and vasculogenesis in the fetus and in adults (1-3). It is a member of the PDGF family that is characterized by the presence of eight conserved cysteine residues in a cystine knot structure and formation of anti-parallel disulfide-linked dimers (4). Alternately spliced isoforms of 120, 164, and 188 amino acids (aa) have been found in rats and mice, while 121, 145, 165, 183, 189, and 206 aa isoforms have been identified in humans (2, 4). In humans, VEGF165 appears to be the most abundant and potent isoform, followed by VEGF121 and VEGF189 (3, 4). The same pattern may exist in rats and mice. Isoforms other than VEGF120 and VEGF121 contain basic heparin-binding regions and are not freely diffusible (4). Rat VEGF164 shares 97% aa sequence identity with corresponding regions of mouse, 88% with human and bovine, 89% with porcine and canine, and 90% with feline and equine VEGF. VEGF is expressed in multiple cells and tissues including skeletal and cardiac muscle (5, 6), hepatocytes (7), osteoblasts (8), neutrophils (9), macrophages (10), keratinocytes (11), brown adipose tissue (12), CD34+ stem cells (13), endothelial cells (14), fibroblasts, and vascular smooth muscle cells (15). VEGF expression is induced by hypoxia and cytokines such as IL-1, IL-6, IL-8, Oncostatin M, and TNF-α (3, 4, 9). The isoforms are differentially expressed during development and in the adult (3).

VEGF dimers bind to two related receptor tyrosine kinases, VEGF R1 (also called Flt-1) and VEGF R2 (Flk-1/KDR) and induce their homodimerization and autophosphorylation (3, 4, 7, 17, 18). These receptors have seven extracellular immunoglobulin-like domains and an intracellular split tyrosine kinase domain. They are expressed on vascular endothelial cells and a range of non-endothelial cells. Although VEGF affinity is highest for binding to VEGF R1, VEGF R2 appears to be the primary mediator of VEGF angiogenic activity (3, 4). VEGF165 also binds the semaphorin receptor, neuropilin-1, which promotes complex formation with VEGF R2 (19).

VEGF is best known for its role in vasculogenesis. During embryogenesis, VEGF regulates the proliferation, migration, and survival of endothelial cells (3, 4), thus regulating blood vessel density and size but playing no role in determining vascular patterns. VEGF promotes bone formation through osteoblast and chondroblast recruitment and is also a monocyte chemoattractant (20-22). In postnatal life, VEGF maintains endothelial cell integrity and is a potent mitogen for micro- and macro-vascular endothelial cells. In adults, VEGF functions mainly in wound healing and the female reproductive cycle (3). In diseased tissues, VEGF promotes vascular permeability. It is thus thought to contribute to tumor metastasis by promoting both extravasation and tumor angiogenesis (23, 24). Various strategies have been employed therapeutically to antagonize VEGF-mediated tumor angiogenesis (25). Circulating VEGF levels correlate with disease activity in autoimmune diseases such as rheumatoid arthritis, multiple sclerosis and systemic lupus erythematosus (26).

Regerences

Conn, G. et al. (1990) J. Biol. Chem. 87:2628.

Ishii, H. et al. (2001) Arch. Oral Biol. 46:77.

Byrne, A.M. et al. (2005) J. Cell. Mol. Med. 9:777.

Robinson, C.J. and S.E. Stringer (2001) J. Cell. Sci. 114:853.

Richardson, R.S. et al. (1999) Am. J. Physiol. 277:H2247.

Sugishita, Y. et al. (2000) Biochem. Biophys. Res. Commun. 268:657.

Yamane, A. et al. (1994) Oncogene 9:2683.

Goad, D.L. et al. (1996) Endocrinology 137:2262.

Gaudry, M. et al. (1997) Blood 90:4153.

Mclaren, J. et al. (1996) J. Clin. Invest. 98:482.

Diaz, B.V. et al. (2000) J. Biol. Chem. 275:642.

Asano, A. et al. (1997) Biochem. J. 328:179.

Bautz, F. et al. (2000) Exp. Hematol. 28:700.

Namiki, A. et al. (1995) J. Biol. Chem. 270:31189.

Nauck, M. et al. (1997) Am. J. Respir. Cell. Mol. Biol. 16:398.

Angelo, L.S. and R. Kurzrock (2007) Clin. Cancer Res. 13:2825.

Neufeld, G. et al. (1999) FASEB. J. 13:9.

Kowalewski, M.P. et al. (2005) Accession #ABB82619.

Pan, Q. et al. (2007) J. Biol. Chem. 282:24049.

Weis, S.M. and D.A. Cheresh (2005) Nature 437:497.

Breier, G. (2000) Semin. Thromb. Hemost. 26:553.

Barleon, B. et al. (1996) Blood 87:3336.

Weis, S.M. and D.A. Cheresh (2005) Nature 437:497.

Thurston, G. (2002) J. Anat. 200:575.

Grothey, A. and E. Galanis (2009) Nat. Rev. Clin. Oncol. 6:507.

Carvalho, J.F. et al. (2007) J. Clin. Immunol. 27:246.

    Please let us know if you have published research using #EK0523 so that we can cite your reference.
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    Protocol
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    Note
      Application:
    • WBWestern Blotting
    • IHCImmunohistochemistry
    • IFImmunofluorescence
    • ICCImmunocytochemistry
    • FCFlow Cytometry
    • IPImmunoprecipitation
    • EELISA
    • DBDot Blotting
    • ChIPChromatin Immunoprecipitation
    • GICAGold Immunochromatography Assay
    • NCNegative Control
      Species Reactivity:
    • HuHuman
    • MsMouse 
    • RtRat 
    • Dm Drosophila melanogaster
    • C Caenorhabditis elegans
    • MkMonkey
    • RbRabbit
    • B Bovine 
    • D Dog
    • PPig
    • HmHamster
    • ChHm Chinese Hamster 
    • ChkChicken  
    • ShpSheep  


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