Abcam, ab108557, Recombinant human DLL4 protein (Fc Chimera Active)

Size: 10µg / 50µg
Recombinant human DLL4 protein (Fc Chimera Active) is a Human Fragment protein, in the 1 to 529 aa range, expressed in HEK 293 cells, with >95%, < 0.01 EU/µg endotoxin level, suitable for SDS-PAGE, FuncS.
Key facts
Purity:>95% SDS-PAGE,
Endotoxin level:< 0.01 EU/µg,
Expression system:HEK 293 cells,
Tags:Fc tag C-Terminus,
Applications:FuncS, SDS-PAGESee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Biologically active:Yes,
Biological activity:Inhibits adipogenesis of 3T3L-1 cells and mesenchymal stem cells (MSCs). Induces the Notch target gene HES-1 when coated on a plate at 1μg/ml.,
Accession:Q9NR61,
Animal free:No,
Carrier free:No,
Species:Human,
Reconstitution:Reconstitute in 100 µL of water,
Storage buffer:Constituents: PBS, 0.5% Trehalose

Product details:
ab108557 interacts with Human Notch1 (as confirmed by Flow Cytometry).

Properties and Storage Information:
Shipped at conditions-Blue Ice, Appropriate short-term storage conditions--20°C, Appropriate long-term storage conditions--20°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
DLL4 also known as Delta-like ligand 4 is a member of the Delta/Serrate/Lag-2 family. This target is a single-pass type I membrane protein with a molecular weight of approximately 65 kDa. It features prominently in the vascular endothelium where it impacts angiogenic activity. DLL4 acts as a ligand for Notch receptors initiating a signaling cascade important to cell fate decisions. DLL4 expression occurs mainly on the arterial endothelium and the tumor vasculature highlighting its significance in angiogenesis.
Biological function summary
DLL4 engages in precise regulation of angiogenesis and vascular development. It participates in the Notch signaling pathway playing an integral role in controlling endothelial cell proliferation differentiation and migration. DLL4 does not operate in isolation; instead it functions as part of the Notch receptor-ligand complex. This relationship effectively regulates the sprouting of new blood vessels ensuring proper vascular patterning and functional blood supply.
Pathways
DLL4 links directly to the Notch signaling and VEGF (vascular endothelial growth factor) pathways both of which play critical roles in vascular development and homeostasis. Through the Notch pathway DLL4 interacts with Notch1 and Notch4 receptors facilitating communication that inhibits endothelial cell proliferation distinguishing it from other pro-angiogenic factors. Its relationship with the VEGF pathway allows DLL4 to modulate angiogenic processes balancing vessel sprouting by opposing excessive VEGF-induced activities.
Aberrations of DLL4 influence cancer and cardiovascular diseases. Overexpression and dysregulation of DLL4 have been observed in various cancers where it contributes to tumor angiogenesis promoting the growth and spread of cancer cells. In cardiovascular disorders dysfunctional DLL4 signaling impacts vascular development which can lead to fatal arteriovenous malformations. In these conditions DLL4 interacts with proteins like Notch1 and VEGF underlining its critical involvement in pathological angiogenesis and vessel formation.