The OX-62 monoclonal antibody recognizes an antigen expressed on dendritic cells, dendritic epidermal T cells (but not RT1B+ Langerhans cells), and intestinal intraepithelial lymphocytes of normal rats and on CD3+ lymphocytes in the spleen and cervical lymph nodes of athymic nude rats. The antigen can be detected by flow cytometric or immunocytochemical analysis of leucocytes and by immunohistochemical staining of epidermal sheets, whole mounts of neural tissue, and frozen sections of lymphoid and nonlymphoid organs. The OX-62 monoclonal antibody immunoprecipitates rat Integrin αE2, a molecule that functions in leucocyte adhesion and homing. Sequence analysis reveals that this molecule is homologous to mouse and human CD103 (Integrin αIEL or αE chain).
This antibody is conjugated to BD Horizon™ BV605 which is part of the BD Horizon Brilliant™ Violet family of dyes. With an Ex Max of 407-nm and Em Max of 602-nm, BD Horizon BV605 can be excited by a violet laser and detected with a standard 610/20-nm filter set. BD Horizon BV605 is a tandem fluorochrome of BD Horizon BV421 and an acceptor dye with an Em max at 605-nm. Due to the excitation of the acceptor dye by the green (532 nm) and yellow-green (561 nm) lasers, there will be significant spillover into the PE and BD Horizon PE-CF594 detectors off the green or yellow-green lasers. BD Horizon BV605 conjugates are very bright, often exhibiting brightness equivalent to PE conjugates and can be used as a third color off of the violet laser.