The 10E9.6 monoclonal antibody specifically binds to the 97-110 kDa cell surface glycoprotein E-selectin (CD62E), also known as endothelial-leukocyte adhesion molecule-1 (ELAM-1), which is expressed on endotoxin- or cytokine-stimulated mouse endothelial cells. A suspension of TNFα stimulated mouse brain capillary endothelioma cells, from the cell line bEnd.3, was used as the immunogen. The epitope recognized by mAb 10E9.6 has been mapped to the first and/or second complement regulatory protein repeat domains of E-selectin. The 10E9.6 antibody has been reported to block binding of a monocyte cell line to E-selectin in vitro and to block neutrophil migration in BALB/c, but not C57BL/6 mice. It has no effect on leukocyte rolling in TNFα-treated mouse venules or on in vitro adhesion of myeloid cells to E-selectin. Studies have demonstrated that Cutaneous Lymphocyte Antigen (CLA), recognized by mAb HECA-452 (Cat. no. 555946), may be a ligand for CD62E.
The antibody was conjugated to BD Horizon™ BV786 which is part of the BD Horizon Brilliant™ Violet family of dyes. This dye is a tandem fluorochrome of BD Horizon BV421 with an Ex Max of 405-nm and an acceptor dye with an Em Max at 786-nm. BD Horizon BV786 can be excited by the violet laser and detected in a filter used to detect Cy™7-like dyes (eg, 780/60-nm filter).