PerCP-Cy™5.5 Mouse anti-T-bet

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BD Pharmingen™ PerCP-Cy™5.5 Mouse anti-T-bet

Name: PerCP-Cy™5.5 Mouse anti-T-bet
Brand: BD Pharmingen™
SKU: 561316

Clone O4-46

(RUO)

Flow cytometric analysis of T-bet expression in human peripheral blood lymphocytes. Whole blood was treated with BD™ Phosflow Lyse/Fix Buffer (Cat. No. 558049) to lyse erythrocytes and fix leukocytes. The cells were then permeabilized by treatment with BD™ Phosflow Perm Buffer III (Cat. No. 558050). The cells were stained with Alexa Fluor® 700 Mouse Anti-Human CD3 (Cat. No. 557943/561027) and PerCP-Cy™5.5 Mouse anti-T-bet antibody (Cat. No. 561316, Right Panel) or with a PerCP-Cy™5.5 Mouse IgG1, κ Isotype Control (Cat. No. 550795; Left Panel). Two-color flow cytometric dot plots showing the correlated expression of T-bet (or Ig isotype control staining) versus CD3 were derived from gated events with the forward and side light-scatter characteristics of viable lymphocytes. Flow cytometry was performed using a BD™ LSR II Flow Cytometer System.

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Product Details

Brand: BD Pharmingen™

Alternative Name: T-box expressed in T cells; TBX21; T-box 21; TBLYM

Reactivity: Human (QC Testing), Mouse (Tested in Development)

Isotype: Mouse IgG1, κ

Immunogen: Human T-bet Peptide

Application: Intracellular staining (flow cytometry) (Routinely Tested)

Vol. Per Test: 5 µl

RRID: AB_10611726

Storage Buffer: Aqueous buffered solution containing BSA and ≤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 with PerCP-Cy5.5 under optimum conditions, and unconjugated antibody and free PerCP-Cy5.5 were removed. Storage of PerCP-Cy5.5 conjugates in unoptimized diluent is not recommended and may result in loss of signal intensity.

Recommended Assay Procedures

Immunofluorescent staining with the O4-46 Mouse Anti-T-bet monoclonal antibody is compatible with BD Phosflow™ Lyse/Fix Buffer (Cat. No. 558049) and the BD Phosflow™ Permeabilization Buffers: Perm/Wash Buffer I (Cat. No. 557885); Perm Buffer II (Cat. No. 558052); Perm Buffer III (Cat. No. 558050); and Perm Buffer IV (Cat. No. 560746).

Product Notices

This reagent has been pre-diluted for use at the recommended Volume per Test. We typically use 1 × 10^6 cells in a 100-µl experimental sample (a test).
An isotype control should be used at the same concentration as the antibody of interest.
Source of all serum proteins is from USDA inspected abattoirs located in the United States.
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.
Please observe the following precautions: Absorption of visible light can significantly alter the energy transfer occurring in any tandem fluorochrome conjugate; therefore, we recommend that special precautions be taken (such as wrapping vials, tubes, or racks in aluminum foil) to prevent exposure of conjugated reagents, including cells stained with those reagents, to room illumination.
PerCP-Cy5.5–labelled antibodies can be used with FITC- and R-PE–labelled reagents in single-laser flow cytometers with no significant spectral overlap of PerCP-Cy5.5, FITC, and R-PE fluorescence.
PerCP-Cy5.5 is optimized for use with a single argon ion laser emitting 488-nm light. Because of the broad absorption spectrum of the tandem fluorochrome, extra care must be taken when using dual-laser cytometers, which may directly excite both PerCP and Cy5.5™. We recommend the use of cross-beam compensation during data acquisition or software compensation during data analysis.
For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
This product may be covered by US Patent No. 7,365,169.
Limited Use License: The buyer (a) shall not sell or otherwise transfer this product to any third party, (b) shall use this product only for its internal, non-clinical research use, (c) shall not use this product for Commercial Purposes without a commercial license from Harvard (and if the buyer is interested in a commercial license, it should contact Harvard’s Office of Technology Development at 1350 Massachusetts Avenue, Holyoke Center, Suite 727, Cambridge, MA 02138, 617-495-3067), (d) shall use this product in compliance with all applicable laws and regulations, including, without limitation, applicable human health and animal welfare laws and regulations, (e) may transfer information or materials made through the use of this product to a scientific collaborator only if such transfer is not for any Commercial Purpose and such collaborator agrees in writing not to transfer such materials to any third party and to use such transferred materials and/or information solely for internal, non-clinical research and not for Commercial Purposes, (f) acknowledges that this product has not been approved for use in humans by the U.S. Food and Drug Administration or any other regulatory body and may not be used in humans and (g) shall indemnify, defend and hold harmless Becton Dickinson and Company and Harvard from and against all damages, losses, expenses (including reasonable attorneys’ fees), claims, demands, suits and other actions in any way arising from the buyer’s use, storage or disposal of this product.
Cy is a trademark of GE Healthcare.
Species cross-reactivity detected in product development may not have been confirmed on every format and/or application.
Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.

Companion Products

Lyse/Fix Buffer 5X RUO

Size 250 mL Cat No. 558049

Perm Buffer III RUO

Size 125 mL Cat No. 558050

PerCP-Cy™5.5 Mouse IgG1 κ Isotype Control RUO

Size 0.1 mg Cat No. 550795

Alexa Fluor® 700 Mouse Anti-Human CD3 RUO

Size 25 µg Cat No. 561027

Alexa Fluor® 700 Mouse Anti-Human CD3 RUO

Size 0.1 mg Cat No. 557943

561316 Rev. 2

Antibody Details

O4-46

The O4-46 monoclonal antibody specifically binds to human and mouse T-bet. T-bet (T-box gene expressed in T cells) is a master regulatory transcription factor that is also known as TBX21 (T-box21) and TBLYM (T-box transcription factor, expressed in lymphocytes). Human (535 amino acids; 58.3 kDa predicted molecular mass) and mouse (530 amino acids; 57.7 kDa) T-bet proteins are encoded by the human TBX21 (chromosome 17) and mouse Tbx21 (chromosome 11) genes. The human and mouse T-bet protein amino acid sequences are 88% homologous. Human and mouse T-bet proteins share a highly conserved (98% homologous amino acid sequences) T-box protein domain that is centrally located and mediates binding to DNA. T-bet is expressed by and activates transcriptional activities within hemotopoietic cells including stem cells, NK and NKT cells and subsets of thymocytes, primed/activated CD4+ T cells, CD8+ T cells and γδ T cells, B cells, and dendritic cells. Interferon-gamma (IFN-γ), interleukin-27 (IL-27), and IL-12 act on peripheral antigen-triggered (TCR-signaling) T cells to increase T-bet expression. With respect to T helper lymphocytes, T-bet directs the differentiation of naïve CD4+ precursor T cells to become Th1-like effector and memory cells. T-bet accomplishes this by activating Th1 genetic programs (including epigenetic modifications) while repressing opposing T helper subset programs. T-bet controls the upregulated expression of the Th1 signature cytokine, IFN-γ, the IL-12Rβ2 subunit and the Runx3 transcription factor and can repress the function of other transcriptional regulators, such as GATA-3 (master regulator of Th2 development) and the expression of other cytokines including IL-2, IL-4 and IL-5.

561316 Rev. 2

Format Details

PerCP-Cy5.5

PerCP-Cy5.5 dye is part of the BD blue family of dyes. This tandem fluorochrome is comprised of a fluorescent protein complex (PerCP) with an excitation maximum (Ex Max) of 482 nm and an acceptor dye with an emission maximum (Em Max) at 676 nm. PerCP-Cy5 is designed to be excited by the blue laser (488-nm) and detected using an optical filter centered near 680 nm (e.g., a 695/40 nm bandpass filter). The donor dye can be partially excited by the Violet (405-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.

Format: PerCP-Cy5.5

Excitation Source: Blue 488 nm

Excitation Max: 482 nm

Emission Max: 676 nm

561316 Rev.2

Citations & References

View product citations for antibody "561316" on CiteAb

Development References (10)

Hibbert L, Pflanz S, De Waal Malefyt R, Kastelein RA. IL-27 and IFN-alpha signal via Stat1 and Stat3 and induce T-Bet and IL-12Rbeta2 in naive T cells. J Interferon Cytokine Res. 2003; 23(9):513-522. (Biology). View Reference
Hwang ES, Hong JH, Glimcher LH. IL-2 production in developing Th1 cells is regulated by heterodimerization of RelA and T-bet and requires T-bet serine residue 508. J Exp Med. 2005; 202(9):1289-1300. (Biology). View Reference
Hwang ES, Szabo SJ, Schwartzberg PL, Glimcher LH. T helper cell fate specified by kinase-mediated interaction of T-bet with GATA-3. Science. 2005; 307(5780):430-433. (Biology). View Reference
Lugo-Villarino G, Maldonado-Lopez R, Possemato R, Penaranda C, Glimcher LH. T-bet is required for optimal production of IFN-gamma and antigen-specific T cell activation by dendritic cells. Proc Natl Acad Sci U S A. 2003; 100(13):7749-7754. (Biology). View Reference
Peng SL, Szabo SJ, Glimcher LH. T-bet regulates IgG class switching and pathogenic autoantibody production. Proc Natl Acad Sci U S A. 2002; 99(8):5545-5550. (Biology). View Reference
Peng SL. The T-box transcription factor T-bet in immunity and autoimmunity. Cell Mol Immunol. 2006; 3(2):87-95. (Biology). View Reference
Szabo SJ, Kim ST, Costa GL, Zhang X, Fathman CG, Glimcher LH. A novel transcription factor, T-bet, directs Th1 lineage commitment. Cell. 2000; 100(6):655-669. (Biology). View Reference
Takeda A, Hamano S, Yamanaka A, et al. Cutting edge: role of IL-27/WSX-1 signaling for induction of T-bet through activation of STAT1 during initial Th1 commitment. J Immunol. 2003; 170(10):4886-4890. (Biology). View Reference
Townsend MJ, Weinmann AS, Matsuda JL, et al. T-bet regulates the terminal maturation and homeostasis of NK and Valpha14i NKT cells. Immunity. 2004; 20(4):477-494. (Biology). View Reference
Zhang WX, Yang SY. Cloning and characterization of a new member of the T-box gene family. Genomics. 2000; 70(1):41-48. (Biology). View Reference

View All (10)

561316 Rev. 2

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