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Anti-hVEGF-hIgA2

Anti-hVEGF-hIgA2 Unit size Cat. code Docs Qty Price
Human VEGF (bevacizumab) antibody - Human IgA2
100 µg
hvegf-mab7
+-
$325.00

Monoclonal human IgA2 antibody against human VEGF

Anti-hVEGF-hIgA2 features the constant region of the human IgA2 isotype and the variable region of bevacizumab. Bevacizumab is a humanized IgG1 monoclonal antibody that targets VEGF, a signaling protein that promotes the growth of new blood vessels. In many cancers VEGF is overexpressed, thereby promoting tumor growth and angiogenesis. The overexpression of VEGF can also lead to vascular disease, particularly in the retina [1]. Bevacizumab neutralizes VEGF and blocks its signal transduction through the VEGF receptors [2, 3]. Consequently, bevacizumab blocks downstream pathways which regulate cell growth and angiogenesis. Bevacizumab displays no antibody-dependent cell-mediated cytotoxicity (ADCC) [4]. Bevacizumab has been approved by the FDA for the treatment of certains types of brain, colorectal, lung, kidney, and ovarian cancers.

IgA2 is found predominantly in secretory lymphoid tissues, where it plays a critical role in mucosal immunity. IgA2 is highly resistant to enzymatic degradation by bacterial proteases, due to a short hinge region. IgA2 displays no complement dependent cytotoxicity (CDC) and low ADCC.

Anti-hVEGF-hIgA2 was generated by recombinant DNA technology. It has been produced in CHO cells and purified by affinity chromatography with peptide M.

1. Ablonczy Z. et al., 2014. Progressive dysfunction of the retinal pigment epithelium and retina due to increased VEGF-A levels. FASEB J. 28:2369-79.
2. Papadopoulos N. et al., 2012. Binding and neutralization of vascular endothelial growth factor (VEGF) and related ligands by VEGF Trap, ranibizumab and bevacizumab. Angiogenesis. 15(2):171-85.
3. Ferrara N. et al., 2004. Discovery and development of bevacizumab, an anti-VEGF antibody for treating cancer. Nat Rev Drug Discov. 3(5):391-400.
4. Damiano V. et al., 2007. TLR9 agonist acts by different mechanisms synergizing with bevacizumab in sensitive and cetuximab-resistant colon cancer xenografts. PNAS. 104(30):12468-73.

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Specifications

Specificity: Targets cells expressing human VEGF
Clonality:
Monoclonal antibody
Isotype: Human IgA2
Source: CHO cells
Purity: Purified by affinity chromatography with peptide M

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Contents

100 µg purified anti-hVEGF-hIgA2 antibody, provided azide-free and lyophilized

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Details

- Binding of Anti-hVEGF-hIgA2 to human VEGF has been tested by ELISA.
- The complete sequence of this antibody has been verified.
- The absence of bacterial contamination (e.g. lipoproteins and endotoxins) has been confirmed using HEK-Blue™ TLR2 and HEK-Blue™ TLR4 cells.

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