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You are here:Home » Antibodies » Antibodies-Notch Proteins » Anti -DLL4 (Delta-like Protein 4, Drosophila Delta Homolog 4, Delta4, UNQ1895/PRO4341)

Anti -DLL4 (Delta-like Protein 4, Drosophila Delta Homolog 4, Delta4, UNQ1895/PRO4341)


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Clone Host Grade Applications
Monoclonal Hamster Affinity Purified IH FC
The Notch signaling pathway is an evolutionarily conserved pathway in multi­cellular organisms, which is vital for cell­cell communication, important during fundamental developmental and physiological processes, including regulation of cell fate decisions during neuronal, cardiac and endocrine development, stem cell hematopoiesis, thymic T­cell development, and both tumor progression and suppression. Ligation of Notch receptors by their specific ligands, Jagged1 (CD339), Jagged2, Delta­like protein 1 (DLL1), DLL3 and DLL4, on physically adjacent signal receiving cells, induces proteolysis of the receptors by ADAM­family metalloproteases and the gamma­secretase complex, within the transmembrane domain, releasing the Notch intracellular domain (NICD) to translocate to the nucleus. Subsequent signal transduction then occurs through either the CSL­NICD­Mastermind complex cascade (canonical pathway), or NF­kappaB­NICD and CSL­NICD­ Deltex complex signaling cascades (non­canonical pathway). The canonical pathway inhibits the differentiation of stem cells or progenitor cells, whilst the non­canonical pathway promotes differentiation. DLL4 is expressed by vascular endothelium, and plays a vital role in embryonic vascular development. DLL4 signaling has been shown to play a role in the angiogenesis of clear­cell renal tumors, and pancreatic, bladder and colonic cancer. Studies have shown that DLL4 expression in endothelium cells, can be up­regulated by vascular endothelial growth factor (VEGF) and basic­FGF, and by HIF1 alpha, and that blockade of DLL4 inhibits tumor growth by promoting non­productive angiogenesis.
Clone HMD4­2 has been shown to block mouse Notch1­Fc and Notch4­Fc binding to mouse DLL4:CHO cells, and to inhibit subcutaneous tumor growth in mouse tumor models using the murine lung carcinoma cell line KLN205 (3). Removal of sodium azide is recommended prior to use in functional assays. AbD Serotec recommend the use of EQU003 for this purpose.
Catalog #D2728-01J
ApplicationsSuitable for use in Flow Cytometry and Immunohistochemistry. Other applications not tested.
Recommended DilutionFlow Cytometry: 10ul labels 1x10e6 cells in 100ul
Immunohistochemistry: Frozen, Paraffin
Optimal dilutions to be determined by the researcher.
Positive ControlMouse spleen
HybridomaP3U1 myeloma cells with spleen cells from Armenian hamsters.
Storage and StabilityMay be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for at least 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Clone TypeMonoclonal
Clone No12G27
FormSupplied as a liquid in PBS, pH 6.0, 0.09% sodium azide.
PurityPurified by Protein G affinity chromatography.
ImmunogenRecombinant corresponding to mouse DLL4.
SpecificityRecognizes mouse Delta-like protein 4 (DLL4).
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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