Date published: 2025-10-11

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T-bet/TBX21 Antibody (39D): sc-21763

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Datasheets
  • T-bet/TBX21 Antibody (39D) is a mouse monoclonal IgG1 κ, cited in 23 publications, provided at 200 µg/ml
  • raised against full length recombinant murine T-bet
  • recommended for detection of T-bet of mouse, rat and human origin by WB, IP, IF and ELISA
  • TransCruz reagent for Gel Supershift and ChIP applications (sc-21763 X, 200 µg/0.1 ml)
  • m-IgG Fc BP-HRP and m-IgG1 BP-HRP are the preferred secondary detection reagents for T-bet/TBX21 Antibody (39D) for WB applications. These reagents are now offered in bundles with T-bet/TBX21 Antibody (39D) (see ordering information below).

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T-bet Antibody (39D) is a mouse monoclonal IgG1 kappa light chain antibody that detects T-bet in mouse, rat, and human samples through applications such as western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). Anti-T-bet antibody (39D) is available in a non-conjugated form, specifically designed for researchers seeking to study T-bet, a critical transcription factor that plays a pivotal role in the differentiation of T helper (Th) cells into Th1 and Th2 subsets. T-bet (39D) monoclonal antibody recognizes a Th1-specific transcription factor that regulates the expression of the Th1 cytokine, interferon-gamma (IFN-γ), which is essential for the immune response against intracellular pathogens. T-bet (39D) antibody helps researchers study how T-bet promotes the development of Th1 cells while inhibiting the differentiation of Th2 cells, maintaining a balance in the immune system. T-bet expression is tightly regulated by signals from the T cell receptor (TCR) and interleukin-12 (IL-12), which enhance levels during T cell activation. Originally isolated from nuclear extracts of resting and activated AE7 cells, T-bet is selectively expressed in Th1 cells, with expression significantly increasing upon stimulation. Understanding T-bet′s role in immune responses is crucial for developing therapeutic strategies for various diseases, including autoimmune disorders and infections.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

T-bet/TBX21 Antibody (39D)

sc-21763
200 µg/ml
$316.00

T-bet/TBX21 Antibody (39D): m-IgG Fc BP-HRP Bundle

sc-526613
200 µg Ab; 10 µg BP
$354.00

T-bet/TBX21 Antibody (39D): m-IgG1 BP-HRP Bundle

sc-531986
200 µg Ab; 20 µg BP
$354.00

T-bet/TBX21 Antibody (39D) X

sc-21763 X
200 µg/0.1 ml
$316.00

Hi, I'd like to ask about how much dilution of this T-bet antibody should be used when do Western blot? Thanks. 

Asked by: Tbet antibody
Thank you for your question. We recommend a starting dilution of 1:100. Here is a link to our protocol : https://www.scbt.com/resources/protocols/western-immuno-blotting.
Answered by: BlakeJ
Date published: 2025-01-16

When should the TransCruz reagent sc-21763 X be used instead of the standard form sc-21763?

Asked by: jenniferc
Thank you for your question. We recommend using the TransCruz reagent form when performing ChIP or GelShift assays. This form can also be used in other applications such as Western Blot or IHC, but the dilution should be adjusted by a factor of 10 to account for the higher original concentration.
Answered by: Technical Support
Date published: 2017-02-25
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Rated 5 out of 5 by from we got a strong signalVery good Western blot data of sc-21763 expression in 293T whole cell lysates.
Date published: 2017-05-07
Rated 4 out of 5 by from Worked well with transfected lysate by WBWorked well with transfected lysate by WB -SCBT QC
Date published: 2015-05-29
Rated 4 out of 5 by from Nice band seen in WB using BJAB nuclear extractNice band seen in WB using BJAB nuclear extract. -SCBT QC
Date published: 2015-04-02
Rated 4 out of 5 by from Various publishable data in IHC(P) usingVarious publishable data in IHC(P) using human spleen, lymph node, tonsil and lymphoid tissue -SCBT Publication Review
Date published: 2015-03-06
Rated 4 out of 5 by from Various publishable data in WB using humanVarious publishable data in WB using human T cells and PBMC cells. -SCBT Publication Review
Date published: 2015-02-23
Rated 4 out of 5 by from Publishable data in CoIP using mouse EL4 TPublishable data in CoIP using mouse EL4 T-cell line -SCBT Publication Review
Date published: 2015-02-04
Rated 4 out of 5 by from Various publishable data in WB using mouseVarious publishable data in WB using mouse CD4+CD62L+ T cells -SCBT Publication Review
Date published: 2013-12-20
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T-bet/TBX21 Antibody (39D) is rated 4.1 out of 5 by 7.
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