E-selectin, also known as endothelial leukocyte adhesion molecule-1 (ELAM-1) and CD62E, is an inducible adhesion molecule that is expressed on the surfaces of stimulated vascular endothelial cells and is sometimes involved in cancer cell metastasis. E-selectin exhibits a complex mosaic structure consisting of a large extracellular region comprised of a lectin domain, an EGF-like domain, and a short consensus repeat (SCR) domain, followed by a transmembrane region and a relatively short (32 aa) cytoplasmic tail. As a member of the LEC-CAM or selectin family, E-selectin recognises and binds to sialylated carbohydrates including members of the Lewis X and Lewis A families found on monocytes, granulocytes, and T-lymphocytes. E-selectin supports rolling and stable arrest of leukocytes on activated vascular endothelium, and furthermore, it was indicated that it can also transduce an activating stimulus via the MAPK cascade into the endothelial cell during leukocyte adhesion. E-selectin regulates adhesive interactions between certain blood cells and endothelium. The soluble form of E selectin (sE-selectin) is a marker of endothelial activation, and has a potential role in the pathogenesis of cardiovascular disease as raised levels have been found in hypertension, diabetes and hyperlipidemia, although its association in established atherosclerosis disease and its value as a prognostic factor is more controversial. soluble E-selectin is inversely associated with the muscular component of the left ventricle, thereby suggesting that the lack of such a reparative factor may be associated with cardiac remodeling in end-stage renal disease (ESRD) patients. In addition, this adhesion molecule appears to be involved in the pathogenesis of atherosclerosis.
Product Name:
Rat E-Selectin/SELE Recombinant Protein (RPES1252)
Product Code:
RPES1252
Size:
100µg
Species:
Rat
Expressed Host:
HEK293 Cells
Synonyms:
SELE,Elam-1,CD62e
Accession:
P98105-1
Sequence:
Met 1-Pro 494
Fusion tag:
C-His
Activity:
Measured by the ability of the immobilized protein to support the adhesion of U937 human histiocytic lymphoma cells. When 5 x 10E4 cells/well are added to rat E Selectin/Fc Chimera coated plates (2 µg/mL, 100 ?L/well), approximately 30%-60% will adhere after 1 hour at 37?. Optimal dilutions should be determined by each laboratory for each application.
Endotoxin:
<1.0 EU per µg of the protein as determined by the LAL method
Protein Construction:
A DNA sequence encoding the rat SELE (P98105-1) extracellular domain (Met 1-Pro 494) was expressed, fused with a polyhistidine tag at the C-terminus.
Purity:
> 97 % as determined by SDS-PAGE
Mol Mass:
53 kDa
AP Mol Mass:
70-80 kDa
Formulation:
Lyophilized from sterile PBS, pH 7.4
Shipping:
This product is provided as lyophilized powder which is shipped with ice packs.
Stability and Storage:
Lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.
