RB744 Rat Anti-Mouse CD8b

BD OptiBuild™ RB744 Rat Anti-Mouse CD8b

Name: RB744 Rat Anti-Mouse CD8b
Brand: BD OptiBuild™
SKU: 758097

Clone YTS156.7.7.rMAb (also known as YTS156.7.7; YTS156)

(RUO)

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Product Details

Brand: BD OptiBuild™

Alternative Name: Cd8b1; Cd8b; Ly-3; Lyt-3; lymphocyte antigen 3

Reactivity: Mouse (Tested in Development)

Isotype: Rat IgG1, κ

Immunogen: Mouse Thymocytes

Application: Flow cytometry (Qualified)

Concentration: 0.2 mg/ml

Entrez Gene ID: 12526

Storage Buffer: Aqueous buffered solution containing ≤0.09% sodium azide.

Regulatory Status: RUO

Preparation And Storage

Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze. The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography. The antibody was conjugated to the dye under optimum conditions that minimize unconjugated dye and antibody.

Recommended Assay Procedures

BD® CompBeads can be used as surrogates to assess fluorescence spillover (compensation). When fluorochrome conjugated antibodies are bound to BD® CompBeads, they have spectral properties very similar to cells. However, for some fluorochromes there can be small differences in spectral emissions compared to cells, resulting in spillover values that differ when compared to biological controls. It is strongly recommended that when using a reagent for the first time, users compare the spillover on cells and BD® CompBeads to ensure that BD® CompBeads are appropriate for your specific cellular application.

Product Notices

Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
Please refer to http://regdocs.bd.com to access safety data sheets (SDS).
For U.S. patents that may apply, see bd.com/patents.
Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
Since applications vary, each investigator should titrate the reagent to obtain optimal results.
The production process underwent stringent testing and validation to assure that it generates a high-quality conjugate with consistent performance and specific binding activity. However, verification testing has not been performed on all conjugate lots.
Human donor specific background has been observed in relation to the presence of anti-polyethylene glycol (PEG) antibodies, developed as a result of certain vaccines containing PEG, including some COVID-19 vaccines. We recommend use of BD Horizon Brilliant™ Stain Buffer in your experiments to help mitigate potential background. For more information visit https://www.bdbiosciences.com/en-us/support/product-notices.
When using high concentrations of antibody, background binding of this dye to erythroid fragments produced by ammonium chloride-based lysis, such as with BD Pharm Lyse™ Lysing Buffer (Cat. No. 555899), has been observed when the antibody conjugate was present during the lysis procedure. This may cause nonspecific staining of target cells, such as leukocytes, which have bound the resulting erythroid fragments. This background can be mitigated by any of the following: titrating the antibody conjugate to a lower concentration, fixing samples with formaldehyde, or removing erythrocytes before staining (eg, gradient centrifugation or pre-lysis with wash). This background has not been observed when cells were lysed with BD FACS™ Lysing Solution (Cat. No. 349202) after staining.
For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
An isotype control should be used at the same concentration as the antibody of interest.
Please observe the following precautions: We recommend that special precautions be taken (such as wrapping vials, tubes, or racks in aluminum foil) to protect exposure of conjugated reagents, including cells stained with those reagents, to any room illumination. Absorption of visible light can significantly affect the emission spectra and quantum yield of tandem fluorochrome conjugates.

Companion Products

Stain Buffer (FBS) RUO

Size 500 mL Cat No. 554656

Stain Buffer (BSA) RUO

Size 500 mL Cat No. 554657

Purified Rat Anti-Mouse CD16/CD32 (Mouse BD Fc Block™) RUO

Size 0.5 mg Cat No. 553142

758097 Rev. 1

Antibody Details

YTS156.7.7.rMAb

The YTS156.7.7.rMAb is a recombinant monoclonal antibody derived from YTS156.7.7 hybridoma cells that specifically recognizes the β chain of the CD8 differentiation antigen (CD8b), which is also known as Lymphocyte antigen 3 (Ly-3) or Lyt-3. CD8b is a single-pass type I transmembrane glycoprotein that is encoded by Cd8b1 (CD8 antigen, beta chain 1) which belongs to the Ig superfamily. CD8b is comprised of an N-terminal IgV domain in its extracellular region followed by a transmembrane region and a cytoplasmic tail. CD8b can bind to the CD8 α chain (CD8a) to form the disulfide-linked CD8 αβ (CD8ab) heterodimer also known as Ly2,3 or Lyt-2,3. This heterodimer is expressed on most thymocytes and a subpopulation of MHC class I-restricted mature T cells. CD8 αβ functions as an antigen coreceptor 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 the protein tyrosine kinase, lck (p56lck).

758097 Rev. 1

Format Details

RB744

The BD Horizon RealBlue™ 744 (RB744) Dye is part of the BD® family of blue dyes. It is a tandem fluorochrome with an excitation maximum (Ex Max) at 498-nm and an emission maximum (Em Max) at 746-nm as measured using an antibody-dye conjugate. Driven by BD® innovation, RB744 can be used on both spectral and conventional cytometers and is designed to be excited by the Blue laser (488-nm) with minimal excitation by the 561-nm Yellow-Green laser. For conventional instruments equipped with a Blue laser (488-nm), we recommend using an optical filter centered near 750-nm (e.g., a 750/60-nm bandpass filter).

Format: RB744

Excitation Source: Blue 488 nm

Excitation Max: 498 nm

Emission Max: 746 nm

758097 Rev.1

Citations & References

View product citations for antibody "758097" on CiteAb

Development References (5)

Cobbold S, Martin G, Waldmann H. Monoclonal antibodies for the prevention of graft-versus-host disease and marrow graft rejection. The depletion of T cell subsets in vitro and in vivo.. Transplantation. 1986; 42(3):239-47. (Immunogen: Flow cytometry). View Reference
Liunggren G, Liunggren HG, Dalianis T. T cell subsets involved in immunity against polyoma virus-induced tumors.. Virology. 1994; 198(2):714-6. (Clone-specific: In vivo exacerbation). View Reference
Monney L1, Sabatos CA, Gaglia JL, et al. Th1-specific cell surface protein Tim-3 regulates macrophage activation and severity of an autoimmune disease.. Nature. 2002; 415(6871):536-541. (Clone-specific: Flow cytometry). View Reference
Shore DA, Issafras H, Landais E, Teyton L, Wilson IA. The crystal structure of CD8 in complex with YTS156.7.7 Fab and interaction with other CD8 antibodies define the binding mode of CD8 alphabeta to MHC class I.. J Mol Biol. 2008; 384(5):1190-202. (Clone-specific: Blocking). View Reference
Wei Y, Chen K, Sharp GC, Yagita H, Braley-Mullen H. Expression and regulation of Fas and Fas ligand on thyrocytes and infiltrating cells during induction and resolution of granulomatous experimental autoimmune thyroiditis.. J Immunol. 2001; 167(11):6678-86. (Clone-specific: In vivo exacerbation). View Reference

View All (5)

758097 Rev. 1

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Comparisons, where applicable, are made against older BD Technology, manual methods or are general performance claims. Comparisons are not made against non-BD technologies, unless otherwise noted.

For Research Use Only. Not for use in diagnostic or therapeutic procedures.