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BV711 Rat Anti-Mouse CD274
BV711 Rat Anti-Mouse CD274
Two-color flow cytometric analysis of CD274 expression on resting and activated mouse splenocytes. Mouse splenic leucocytes were either not activated (Left Panels) or activated (Right Panels) by culture with plate-bound Purified NA/LE Hamster Anti-Mouse CD3 antibody (Cat. No. 553057) for 3 days (37°C). The cells were preincubated with Purified Rat Anti-Mouse CD16/CD32 antibody (Mouse BD Fc Block™) (Cat. No. 553141/553142). The cells were then stained with FITC Rat Anti-Mouse CD4 antibody (Cat. No. 553729/557307/561828) and either BD Horizon™ BV711 Rat IgG2a, λ Isotype Control (Cat. No. 563394; Far Left and Center-Right Panels) or BD Horizon™ BV711 Rat Anti-Mouse CD274 antibody (Cat. No. 563369; Center-Left and Far Right Panels) as indicated. Flow cytometric analysis was performed using a BD™ LSR II Flow Cytometer System.
Two-color flow cytometric analysis of CD274 expression on resting and activated mouse splenocytes. Mouse splenic leucocytes were either not activated (Left Panels) or activated (Right Panels) by culture with plate-bound Purified NA/LE Hamster Anti-Mouse CD3 antibody (Cat. No. 553057) for 3 days (37°C). The cells were preincubated with Purified Rat Anti-Mouse CD16/CD32 antibody (Mouse BD Fc Block™) (Cat. No. 553141/553142). The cells were then stained with FITC Rat Anti-Mouse CD4 antibody (Cat. No. 553729/557307/561828) and either BD Horizon™ BV711 Rat IgG2a, λ Isotype Control (Cat. No. 563394; Far Left and Center-Right Panels) or BD Horizon™ BV711 Rat Anti-Mouse CD274 antibody (Cat. No. 563369; Center-Left and Far Right Panels) as indicated. Flow cytometric analysis was performed using a BD™ LSR II Flow Cytometer System.
Product Details
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BD Horizon™
B7-H1, PD-L1; PD1L1; Programmed death ligand 1
Mouse (QC Testing)
Rat SD, also known as Sprague-Dawley (outbred) IgG2a, λ
DBA/2 mouse lymphoma L5178Y transfected with Pdcd1lg1 cDNA
Flow cytometry (Routinely Tested)
0.2 mg/ml
60533
AB_2738163
Aqueous buffered solution containing BSA and ≤0.09% sodium azide.
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 with BD Horizon™ BV711 under optimum conditions, and unconjugated antibody and free BD Horizon™ BV711 were removed.

Recommended Assay Procedures

For optimal and reproducible results, BD Horizon Brilliant™ Stain Buffer should be used anytime BD Horizon Brilliant™ dyes are used in a multicolor flow cytometry panel.  Fluorescent dye interactions may cause staining artifacts which may affect data interpretation.  The BD Horizon Brilliant Stain Buffer was designed to minimize these interactions. When BD Horizon Brilliant Stain Buffer is used in in the multicolor panel, it should also be used in the corresponding compensation controls for all dyes to achieve the most accurate compensation. For the most accurate compensation, compensation controls created with either cells or beads should be exposed to BD Horizon Brilliant Stain Buffer for the same length of time as the corresponding multicolor panel. More information can be found in the Technical Data Sheet of the BD Horizon Brilliant Stain Buffer (Cat. No. 563794/566349) or the BD Horizon Brilliant Stain Buffer Plus (Cat. No. 566385).

Product Notices

  1. Since applications vary, each investigator should titrate the reagent to obtain optimal results.
  2. An isotype control should be used at the same concentration as the antibody of interest.
  3. 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.
  4. Source of all serum proteins is from USDA inspected abattoirs located in the United States.
  5. Alexa Fluor® is a registered trademark of Molecular Probes, Inc., Eugene, OR.
  6. For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
  7. BD Horizon Brilliant Violet 711 is covered by one or more of the following US patents: 8,110,673; 8,158,444; 8,227,187; 8,455,613; 8,575,303; 8,354,239.
  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. Cy is a trademark of GE Healthcare.
  10. Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
563369 Rev. 2
Antibody Details
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MIH5

The MIH5 monoclonal antibody specifically binds to CD274, also known as B7-H1 or PDL1, a 43-kDa glycoprotein encoded by the Pdcd1lg1 gene of the B7 family of the Ig superfamily. Pdcd1lg1 mRNA is expressed in more tissues than other members of the B7 family; transcripts are found in lymphoid tissues and many, but not all, non-lymphoid tissues. The protein has been detected at low levels on resting peripheral T and B lymphocytes, macrophages, and dendritic cells. B7-H1 mRNA and protein expression are upregulated upon activation of T and B cells, macrophages, dendritic cells, and epidermal keratinocytes by a variety of stimulatory factors. B7-H1's receptor, PD-1, contains an ITIM (Immunoreceptor Tyrosine-based Inhibitory Motif) on its intracytoplasmic region and is expressed on activated B and T lymphocytes, suggesting that B7-H1-PD-1 interaction may be involved in the negative regulation of immune responses. The second PD-1 ligand, B7-DC (PD-L2), is also a member of the B7 family of the Ig superfamily. Furthermore, B7-H1 may participate in positive immunoregulation, or costimulation of T cells, through an additional receptor, which is not PD-1 and distinct from the alternate receptor for B7-DC. The MIH5 antibody blocks the binding of PD-1-Ig to B7-H1 transfectants.

563369 Rev. 2
Format Details
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BV711
The BD Horizon Brilliant Violet™ 711 (BV711) Dye is part of the BD Horizon Brilliant Violet™ family of dyes. This tandem fluorochrome is comprised of a BV421 donor with an excitation maximum (Ex Max) of 407-nm and an acceptor dye with an emission maximum (Em Max) at 713-nm. BV711, driven by BD innovation, is designed to be excited by the violet laser (405-nm) and detected using an optical filter centered near 710-nm (e.g., a 712/20-nm bandpass filter). The acceptor dye can be excited by the Red (628–640-nm) laser resulting in cross-laser excitation and fluorescence spillover. Please ensure that your instrument’s configurations (lasers and optical filters) are appropriate for this dye.
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BV711
Violet 405 nm
407 nm
713 nm
563369 Rev.2
Citations & References
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Development References (9)

  1. Ansari MJ, Salama AD, Chitnis T, et al. The programmed death-1 (PD-1) pathway regulates autoimmune diabetes in nonobese diabetic (NOD) mice. J Exp Med. 2003 July; 198(1):63-69. (Biology). View Reference
  2. Carreno BM, Collins M. The B7 family of ligands and its receptors: New pathways for costimulation and inhibition of immune responses. Annu Rev Immunol. 2002; 20:29-53. (Biology). View Reference
  3. Dong H, Chen L. B7-H1 pathway and its role in the evasion of tumor immunity. J Mol Med. 2003 May; 81(5):281-287. (Biology). View Reference
  4. Hessel EM, Chu M, Lizcano JO, et al. Immunostimulatory oligonucleotides block allergic airway inflammation by inhibiting Th2 cell activation and IgE-mediated cytokine induction. J Exp Med. 2005; 202(11):1563-1573. (Clone-specific: Flow cytometry). View Reference
  5. Liu X, Gao JX, Wen J, et al. B7DC/PDL2 promotes tumor immunity by a PD-1-independent mechanism. J Exp Med. 2003; 197:1721-1730. (Clone-specific). View Reference
  6. Tamura H, Dong H, Zhu G, et al. B7-H1 costimulation preferentially enhances CD28-independent T-helper cell function. Blood. 2001; 97(6):1809-1816. (Biology). View Reference
  7. Tsushima F, Iwai H, Otsuki N, et al. Preferential contribution of B7-H1 to programmed death-1-mediated regulation of hapten-specific allergic inflammatory responses. Eur J Immunol. 2003; 33(10):2773-2782. (Clone-specific: Blocking, Enhancement, Functional assay). View Reference
  8. Wang S, Bajorath J, Flies DB, Dong H, Honjo T, Chen L. Molecular modeling and functional mapping of B7-H1 and B7-DC uncouple costimulatory function from PD-1 interaction. J Exp Med. 2003; 197:1083-1091. (Biology). View Reference
  9. Yamazaki T, Akiba H, Iwai H, et al. Expression of programmed death 1 ligands by murine T cells and APC. J Immunol. 2002; 169(10):5538-5545. (Immunogen). View Reference
View All (9) View Less
563369 Rev. 2

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