CD8b Mouse Anti-Rat, Brilliant Violet 786, Clone: 341, BD Optibuild™

Mouse Monoclonal Antibody

Brand:  BD Biosciences 742920

Product Code. 15857879

Description

The 341 monoclonal antibody specifically recognizes theβchain of the CD8 antigen on most thymocytes and a subpopulation of mature T lymphocytes (ie, MHC class I-restricted T cells, including most T suppressor/cytotoxic cells). The CD8αandβchains (CD8a and CD8b, respectively) form a heterodimer on the surface of most thymocytes and thymus-dependent T suppressor/cytotoxic cells, whereas intestinal intraepithelial lymphocytes, many CD8+ T cells of athymic rats, many activated CD4+ T cells, and most NK cells express CD8a without CD8b. It has been suggested that the expression of the CD8a/CD8b heterodimer is restricted to thymus-derived T lymphocytes. CD8 is an antigen co-receptor on the T cell surface which interacts with MHC class I molecules on antigen-presenting cells. It participates in T-cell activation through its association with the T-cell receptor complex and protein tyrosine kinase lck. Macrophages have also been reported to express CD8αandβchains, which are involved in signal transduction. The 341 mAb blocks proliferative and cytotoxic in vitro responses of CD8+ effectors to allogeneic cells.

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 405nm and an acceptor dye with an Em Max at 786nm. BD Horizon BV786 can be excited by the violet laser and detected in a filter used to detect Cy™7-like dyes (eg, 780/60nm filter). BV786 is a tandem fluorochrome of BD Horizon BV421 and an acceptor dye with an emission maximum at 786 nm. BV786 offers a bright choice for the 6th detector off the violet laser.

Specifications

• Antigen: CD8b
• Clone: 341
• Conjugate: Brilliant Violet 786
• Gene Alias: Cd8b, CD8beta, CD8 beta, CD8-beta, CD8β
• Immunogen: CD8-positive Wistar rat splenic T-cell hybridomas
• Quantity: 50 μg
• Primary or Secondary: Primary
• Content And Storage: Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.

• Classification: Monoclonal
• Concentration: 0.2mg/mL
• Formulation: Aqueous buffered solution containing ≤0.09% sodium azide.
• Host Species: Mouse
• Purification Method: Affinity Purified
• Regulatory Status: RUO
• Target Species: Mouse
• Isotype: IgG1 κ