VEGF Antibody (VG1) [FITC]

Novus Biologicals | Catalog # NB100-664F

Novus Biologicals
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Key Product Details

Species Reactivity

Human, Mouse, Rat, Porcine, Canine

Applications

Immunohistochemistry, Immunohistochemistry-Paraffin, Immunohistochemistry-Frozen, Western Blot, ELISA, Flow Cytometry, Immunocytochemistry/ Immunofluorescence, CyTOF-ready

Label

FITC (Excitation = 495 nm, Emission = 519 nm)

Antibody Source

Monoclonal Mouse IgG1 kappa Clone # VG1
View all VEGF Primary Antibodies »

Product Specifications

Immunogen

Recombinant VEGF 189 protein.

Reactivity Notes

Use in Rat reported in scientific literature (PMID:34423682). Use in Porcine reported in scientific literature (PMID:32132871).

Specificity

This VEGF Antibody (VG1) detects the 189, 165 and 121 isoforms of VEGF

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1 kappa

Scientific Data Images for VEGF Antibody (VG1) [FITC]

Flow Cytometry of U-937 Cells Stained with FITC Conjugated VEGF Antibody

Flow Cytometry of U-937 Cells Stained with FITC Conjugated VEGF Antibody

An intracellular stain was performed on U-937 cells with VEGF Antibody (VG1)NB100-664F (blue) and a matched isotype control (orange). Cells were fixed with 4% PFA and then permeablized with 0.1% saponin. Cells were incubated in an antibody dilution of 10 ug/mL for 30 minutes at room temperature. Both antibodies were conjugated to FITC.

Applications for VEGF Antibody (VG1) [FITC]

Application
Recommended Usage

CyTOF-ready

Optimal dilutions of this antibody should be experimentally determined.

ELISA

Optimal dilutions of this antibody should be experimentally determined.

Flow Cytometry

Optimal dilutions of this antibody should be experimentally determined.

Immunocytochemistry/ Immunofluorescence

Optimal dilutions of this antibody should be experimentally determined.

Immunohistochemistry

Optimal dilutions of this antibody should be experimentally determined.

Immunohistochemistry-Frozen

Optimal dilutions of this antibody should be experimentally determined.

Immunohistochemistry-Paraffin

Optimal dilutions of this antibody should be experimentally determined.

Western Blot

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined.

Spectra Viewer

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Protein G purified

Formulation

PBS

Preservative

0.05% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C in the dark.

Background: VEGF

Vascular endothelial growth factor (VEGF), also called VEGF-A and vascular permeability factor (VPF), is a secreted homodimeric glycoprotein belonging to the VEGF family with a role in stimulating angiogenesis and vasculogenesis (1,2). More specifically, VEGF-A secretion from most cell types contributes to promoting endothelial cell proliferation and migration, inhibiting apoptosis, increasing vascular permeability, and wound healing (1). The VEGF family consists of several members including VEGF-A, VEGF-B, VEGF-C, VEGF-D, VEGF-E, VEGF-F, and placenta growth factor (PLGF) (1-4). As a result of alternative splicing of the eight exon VEGFA gene, there are several VEGF-A protein isoforms of 121, 145, 165, 183, 189, and 206 amino acids (aa) in length, with VEGF121 and VEGF165 being the two most expressed isoforms (1,5). Full length VEGF-A monomer has a 26 aa signal sequence plus a 206 aa (VEGF206) sequence, with a theoretic molecular weight (MW) of 27 kDa, containing VEGF receptor 1 (VEGFR1) and VEGR2 binding sites and heparin-binding domains (1-3,5,6). VEGF121 lacks heparin affinity and binds the receptor tyrosine kinases (RTKs) VEGFR1 and VEGFR2, whereas VEGF165 has moderate affinity for heparin and, in addition to being a ligand for VEGFR1 and VEGFR2, can also bind the co-receptors neuropilin 1 (NRP1) and NRP2 (1,5). Hypoxia and hypoxia-related genes such as HIF-1, EGF, and PDGF are major regulators angiogenesis and VEGF expression (1,3). VEGF signaling initiated by ligand binding to its receptors results in activation of different pathways including PI3K and MAPK and ultimately guides endothelial cell proliferation, migration, and survival (1,3). While VEGF plays an important role in promoting normal angiogenesis and blood vessel formation, its expression is often upregulated in tumors and other angiogenesis-related pathologies like osteroarthritis (OA) (1-5,7). Given its function, VEGF and its receptors have become a therapeutic target for treating cancer and blocking angiogenesis (4,5,7). A recombinant humanized monoclonal anti-VEGFA antibody called bevacizumab (Avastin) was first approved by the FDA in 2004 for the treatment of a number of cancers (1-3,5). Cancer patients may experience resistance to anti-VEGF antibodies and, as such, clinical studies are exploring combination treatment options with chemotherapies and immune-checkpoint inhibitors (3,5).

References

1. Melincovici CS, Bosca AB, susman S, et al. Vascular endothelial growth factor (VEGF) - key factor in normal and pathological angiogenesis. Rom J Morphol Embryol. 2018;59(2):455-467.

2. Shaik F, Cuthbert GA, Homer-Vanniasinkam S, Muench SP, Ponnambalam S, Harrison MA. Structural Basis for Vascular Endothelial Growth Factor Receptor Activation and Implications for Disease Therapy. Biomolecules. 2020;10(12):1673. https://doi.org/10.3390/biom10121673

3. Apte RS, Chen DS, Ferrara N. VEGF in Signaling and Disease: Beyond Discovery and Development. Cell. 2019;176(6):1248-1264. https://doi.org/10.1016/j.cell.2019.01.021

4. Matsumoto K, Ema M. Roles of VEGF-A signalling in development, regeneration, and tumours. J Biochem. 2014;156(1):1-10. https://doi.org/10.1093/jb/mvu031

5. Itatani Y, Kawada K, Yamamoto T, Sakai Y. Resistance to Anti-Angiogenic Therapy in Cancer-Alterations to Anti-VEGF Pathway. Int J Mol Sci. 2018;19(4):1232. Published 2018 Apr 18. doi:10.3390/ijms19041232

6. Uniprot (P15692)

7. Hamilton JL, Nagao M, Levine BR, Chen D, Olsen BR, Im HJ. Targeting VEGF and Its Receptors for the Treatment of Osteoarthritis and Associated Pain. J Bone Miner Res. 2016;31(5):911-924. https://doi.org/10.1002/jbmr.2828

Long Name

Vascular Endothelial Growth Factor

Alternate Names

MVCD1, VAS, Vasculotropin, VEGF-A, VEGFA, VPF

Gene Symbol

VEGFA

Additional VEGF Products

Product Documents for VEGF Antibody (VG1) [FITC]

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

Download SDS

Product Specific Notices for VEGF Antibody (VG1) [FITC]

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Protocols

Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.

FAQs for VEGF Antibody (VG1) [FITC]

Showing  1 - 3 of 3 FAQs Showing All

  • Q: What is the format (liquid or powder) of prod# NB100-664F?

    A: NB100-664F is supplied as liquid in a 50mM sodium borate buffer solution. As for the concentration, the unconjugated base product (NB100-664) is supplied at 1mg/ml. The conjugated product is made-to-order, so I do not have an exact concentration as this will vary between conjugations. However, we typically get a >90% yield on these, so you can expect the final concentration of the conjugated product around 0.9mg/ml. The exact measured concentration will be on the label.

  • Q: What is the heparin binding activity of FGF and VEGF?

    A: These proteins are not assayed for their ability to bind Heparin. More information about the FGF family of growth factors is available in this review article: Basilico, C. (1992) Adv. Can. Res. 59:115.

  • Q: Why is the molecular weight of VEGF different from the similar antibody, for some companies the the molecular weight is 40KD)?

    A: I can't comment on another company's antibody because I don't have any information about their products. I can tell you that VEGF is expressed in a variety of isoforms and is subject to various post-translational modifications that influence its apparent molecular weight in an SDS-PAGE gel compared to the theoretical molecular weight.

  • Q: What is the format (liquid or powder) of prod# NB100-664F?

    A: NB100-664F is supplied as liquid in a 50mM sodium borate buffer solution. As for the concentration, the unconjugated base product (NB100-664) is supplied at 1mg/ml. The conjugated product is made-to-order, so I do not have an exact concentration as this will vary between conjugations. However, we typically get a >90% yield on these, so you can expect the final concentration of the conjugated product around 0.9mg/ml. The exact measured concentration will be on the label.

  • Q: What is the heparin binding activity of FGF and VEGF?

    A: These proteins are not assayed for their ability to bind Heparin. More information about the FGF family of growth factors is available in this review article: Basilico, C. (1992) Adv. Can. Res. 59:115.

  • Q: Why is the molecular weight of VEGF different from the similar antibody, for some companies the the molecular weight is 40KD)?

    A: I can't comment on another company's antibody because I don't have any information about their products. I can tell you that VEGF is expressed in a variety of isoforms and is subject to various post-translational modifications that influence its apparent molecular weight in an SDS-PAGE gel compared to the theoretical molecular weight.

  • Q: What is the format (liquid or powder) of prod# NB100-664F?

    A: NB100-664F is supplied as liquid in a 50mM sodium borate buffer solution. As for the concentration, the unconjugated base product (NB100-664) is supplied at 1mg/ml. The conjugated product is made-to-order, so I do not have an exact concentration as this will vary between conjugations. However, we typically get a >90% yield on these, so you can expect the final concentration of the conjugated product around 0.9mg/ml. The exact measured concentration will be on the label.

  • Q: What is the heparin binding activity of FGF and VEGF?

    A: These proteins are not assayed for their ability to bind Heparin. More information about the FGF family of growth factors is available in this review article: Basilico, C. (1992) Adv. Can. Res. 59:115.

  • Q: Why is the molecular weight of VEGF different from the similar antibody, for some companies the the molecular weight is 40KD)?

    A: I can't comment on another company's antibody because I don't have any information about their products. I can tell you that VEGF is expressed in a variety of isoforms and is subject to various post-translational modifications that influence its apparent molecular weight in an SDS-PAGE gel compared to the theoretical molecular weight.

Showing  1 - 3 of 3 FAQs Showing All
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