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BB700 Rat Anti-Mouse CD5 53-7.3 RUO

BB700 Rat Anti-Mouse CD5 

Clone  53-7.3   (RUO)

  • Brand BD OptiBuild™
    BD OptiBuild custom reagents make BD Horizon Brilliant™ dyes readily available across a wide selection of cell surface antibodies. Learn more about what makes BD OptiBuild reagents unique Learn more at bdbiosciences.com/go/optibuild
  • Alternative Name Lymphocyte antigen 1; Cd5; Ly-12; Ly-A; Lyt-1
  • Concentration 0.2 mg/ml
  • Isotype Rat LOU, also known as Louvain, LOU/C, LOU/M IgG2a, κ
  • Reactivity Mouse (Tested in Development) 
  • Application Flow cytometry (Qualified) 
  • Immunogen Mouse Thymus / Spleen
  • Entrez Gene ID 12507 
  • Storage Buffer Aqueous buffered solution containing ≤0.09% sodium azide.
  • Regulatory Status RUO
Product Details Recommended Assay References

Description

The 53-7.3 monoclonal antibody specifically binds to a monomorphic epitope of CD5, a member of the scavenger receptor cysteine-rich protein superfamily and the major ligand of CD72, found on thymocytes, T lymphocytes, thymic NKT cells, and a subset of B lymphocytes, but not on NK cells or splenic NKT cells. The level of surface CD5 expression is developmentally regulated in the thymus, starting with low levels on CD4-CD8- thymocytes and increasing as they mature to CD4+CD8+ then CD4+CD8- or CD4-CD8+ thymocytes. Relatively high levels are maintained on peripheral T lymphocytes. The level of CD5 antigen detected on T helper cells has been reported to be somewhat higher than that on T cytotoxic/suppressor and B cells. Few, if any, intestinal intraepithelial lymphocytes bearing the γδ T-cell receptor express CD5. Phenotypic, anatomical, functional, developmental, and pathogenic characteristics of peripheral CD5+ B cells suggest that they may represent a distinct lineage, known as B-1 cells. The frequency of these CD5+ B cells has been reported to show strain-dependent variation. An additional population of CD5+ B lymphocytes resides in the thymus, where it matures from intrathymic B-cell progenitors. It has been proposed that CD5 is a costimulatory molecule which mediates interactions of cells in the immune system and negatively regulates signal transduction mediated by the T-cell receptor and B-cell receptor.

The antibody was conjugated to BD Horizon™ BB700, which is part of the BD Horizon Brilliant™ Blue family of dyes. It is a polymer-based tandem dye developed exclusively by BD Biosciences. With an excitation max of 485 nm and an emission max of 693 nm, BD Horizon BB700 can be excited by the 488 nm laser and detected in a standard PerCP-Cy™5.5 set (eg, 695/40-nm filter). This dye provides a much brighter alternative to PerCP-Cy5.5 with less cross laser excitation off the 405 nm and 355 nm lasers.

Format
  • Format BB700
  • Excitation Source Blue 488 nm
  • Excitation Max 485 nm
  • Emission Max 693 nm

BD Horizon Brilliant™ Blue 700 (BB700) is a dye that was exclusively developed by BD Biosciences as brighter alternative to PerCP-Cy5.5. This dye also has less cross laser excitation off the 405 nm laser, resulting in less spillover into the violet channels compared to PerCP-Cy5.5.  Due to similar excitation and emission properties, BD Horizon BB700 and PerCP-Cy5.5 cannot be used simultaneously.

Other Formats →

Suggested Companion Products

Stain Buffer (FBS) RUO
500 mL Cat No: 554656

Stain Buffer (BSA) RUO
500 mL Cat No: 554657

Brilliant Stain Buffer RUO
100 Tests Cat No: 563794

Lysing Buffer RUO
100 mL Cat No: 555899

Purified Rat Anti-Mouse CD16/CD32 (Mouse BD Fc Block™) 2.4G2 RUO
0.1 mg Cat No: 553141

Resources & Tools
 Spectrum Viewer  Panel Designer  Spectrum Viewer  Regulatory Document Website  Download TDS
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 with BD Horizon BB700 under optimal conditions that minimize unconjugated dye and antibody.

Product Notices

  1. This antibody was developed for use in flow cytometry.
  2. 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.
  3. Researchers should determine the optimal concentration of this reagent for their individual applications.
  4. An isotype control should be used at the same concentration as the antibody of interest.
  5. 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.
  6. For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
  7. Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
  8. BD Horizon Brilliant Stain Buffer is covered by one or more of the following US patents: 8,110,673; 8,158,444; 8,575,303; 8,354,239.
  9. BD Horizon Brilliant Blue 700 is covered by one or more of the following US patents: 8,455,613 and 8,575,303.
  10. Cy is a trademark of GE Healthcare.


For optimal and reproducible results, BD Horizon Brilliant Stain Buffer should be used anytime two or more BD Horizon Brilliant dyes are used in the same experiment. Fluorescent dye interactions may cause staining artifacts which may affect data interpretation. The BD Horizon Brilliant Stain Buffer was designed to minimize these interactions. More information can be found in the Technical Data Sheet of the BD Horizon Brilliant Stain Buffer (Cat. No. 563794 or 566349).

When setting up compensation, it is recommended to compare spillover values obtained from cells and BD™ CompBeads to ensure that beads will provide sufficiently accurate spillover values.

For optimal results, it is recommended to perform two washes after staining with antibodies. Cells may be prepared, stained with antibodies and washed twice with wash buffer per established protocols for immunofluorescent staining prior to acquisition on a flow cytometer. Performing fewer than the recommended wash steps may lead to increased spread of the negative population.


  1. Azzam HS, Grinberg A, Lui K, Shen H, Shores EW, Love PE. CD5 expression is developmentally regulated by T cell receptor (TCR) signals and TCR avidity. J Exp Med. 1998; 188(12):2301-2311. View reference

  2. Bendelac A, Rivera MN, Park SH, Roark JH. Mouse CD1-specific NK1 T cells: development, specificity, and function. Annu Rev Immunol. 1997; 15:535-562. View reference

  3. Cibotti R, Punt JA, Dash KS, Sharrow SO, Singer A. Surface molecules that drive T cell development in vitro in the absence of thymic epithelium and in the absence of lineage-specific signals. Immunity. 1997; 6(3):245-255. View reference

  4. Hayakawa K, Hardy RR, Parks DR, Herzenberg LA. The "Ly-1 B" cell subpopulation in normal immunodefective, and autoimmune mice. J Exp Med. 1983; 157(1):202-218. View reference

  5. Hayakawa K, Hardy RR. Normal, autoimmune, and malignant CD5+ B cells: the Ly-1 B lineage. Annu Rev Immunol. 1988; 6:197-218. View reference

  6. Kantor AB, Herzenberg LA. Origin of murine B cell lineages. Annu Rev Immunol. 1993; 11:501-538. View reference

  7. Ledbetter JA, Herzenberg LA. Xenogeneic monoclonal antibodies to mouse lymphoid differentiation antigens. Immunol Rev. 1979; 47:63-90. View reference

  8. Ledbetter JA, Rouse RV, Micklem HS, Herzenberg LA. T cell subsets defined by expression of Lyt-1,2,3 and Thy-1 antigens. Two-parameter immunofluorescence and cytotoxicity analysis with monoclonal antibodies modifies current views. J Exp Med. 1980; 152(2):280-295. View reference

  9. Lefrancois L. Phenotypic complexity of intraepithelial lymphocytes of the small intestine. J Immunol. 1991; 147(6):1746-1751. View reference

  10. Luo W, Van de Velde H, von Hoegen I, Parnes JR, Thielemans K. Ly-1 (CD5), a membrane glycoprotein of mouse T lymphocytes and a subset of B cells, is a natural ligand of the B cell surface protein Lyb-2 (CD72). J Immunol. 1992; 148(6):1630-1634. View reference

  11. Masuda K, Makino Y, Cui J, et al. Phenotypes and invariant alpha beta TCR expression of peripheral V alpha 14+ NK T cells. J Immunol. 1997; 158(5):2076-2082. View reference

  12. van Ewijk W, van Soest PL, van den Engh GJ. Fluorescence analysis and anatomic distribution of mouse T lymphocyte subsets defined by monoclonal antibodies to the antigens Thy-1, Lyt-1, Lyt-2, and T-200. J Immunol. 1981; 127(6):2594-2604. View reference

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