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TBX21 Antibody

     
  • WB - TBX21 Antibody  ASC11699
    Western blot analysis of TBX21 in 293 cell lysate with TBX21 antibody at 1 µg/ml.
  • IF - TBX21 Antibody  ASC11699
    Immunofluorescence of TBX21 in 293 cells with TBX21 antibody at 5 µg/mL.
  • SPECIFICATION
  • CITATIONS
  • PROTOCOLS
  • BACKGROUND
Product Information
Application
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • E=ELISA
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immunoelectronmicroscopy
  • EIA=Enzyme Immunoassay
WB, IF, E
Primary Accession Q9UL17
Other Accession NP_037483, 7019549
Reactivity Human, Mouse
Host Rabbit
Clonality Polyclonal
Isotype IgG
Calculated MW Predicted: 59 kDa

Observed: 55kDa
Application Notes TBX21 antibody can be used for detection of TBX21 by Western blot at 1 - 2 µg/ml.
Additional Information
Gene ID 30009
Target/Specificity TBX21; TBX21 antibody is human and mouse reactive.
Reconstitution & Storage TBX21 antibody can be stored at 4℃ for three months and -20℃, stable for up to one year.
PrecautionsTBX21 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name TBX21
Synonyms TBET, TBLYM
Function Lineage-defining transcription factor which initiates Th1 lineage development from naive Th precursor cells both by activating Th1 genetic programs and by repressing the opposing Th2 and Th17 genetic programs (PubMed:10761931). Activates transcription of a set of genes important for Th1 cell function, including those encoding IFN-gamma and the chemokine receptor CXCR3. Activates IFNG and CXCR3 genes in part by recruiting chromatin remodeling complexes including KDM6B, a SMARCA4- containing SWI/SNF-complex, and an H3K4me2-methyltransferase complex to their promoters and all of these complexes serve to establish a more permissive chromatin state conducive with transcriptional activation (By similarity). Can activate Th1 genes also via recruitment of Mediator complex and P-TEFb (composed of CDK9 and CCNT1/cyclin-T1) in the form of the super elongation complex (SEC) to super-enhancers and associated genes in activated Th1 cells (PubMed:27292648). Inhibits the Th17 cell lineage commitment by blocking RUNX1-mediated transactivation of Th17 cell-specific transcriptinal regulator RORC. Inhibits the Th2 cell lineage commitment by suppressing the production of Th2 cytokines, such as IL-4, IL-5, and IL- 13, via repression of transcriptional regulators GATA3 and NFATC2. Protects Th1 cells from amplifying aberrant type-I IFN response in an IFN-gamma abundant microenvironment by acting as a repressor of type-I IFN transcription factors and type-I IFN-stimulated genes. Acts as a regulator of antiviral B-cell responses; controls chronic viral infection by promoting the antiviral antibody IgG2a isotype switching and via regulation of a broad antiviral gene expression program (By similarity).
Cellular Location Nucleus.
Tissue Location T-cell specific.
Research Areas
Citations (0)

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Background

TBX21 is a member of a phylogenetically conserved family of genes that share a common DNA-binding domain, the T-box (1,2). Members of this family include transcription factors involved in the regulation of developmental processes (2). Studies in mouse and humans show that TBX21 is a Th1 cell-specific transcription factor that controls the expression of the hallmark Th1 cytokine, interferon-gamma (1,3). Expression of the human ortholog also correlates with interferon-gamma expression in Th1 and natural killer cells, suggesting a TBX21 may play a role in initiating Th1 lineage development from naive Th precursor cells. (3).

References

Szabo SJ, Kim ST, Costa GL, et al. A novel transcription factor, T-bet, directs Th1 lineage commitment. Cell 2000; 100:655-69.
Naiche LA, Harrelson Z, Kelly RG, et al. T-box genes in vertebrate development. Annu. Rev. Genet. 2005; 39:219-39.
Hibbert L, Pflanz S, De Waal Malefyt R, et al. IL-27 and IFN-alpha signal via Stat1 and Stat3 and induce T-Bet and IL-12Rbeta2 in naive T cells. J. Interfeon Cytokine Res. 2003; 23:513-22.

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$ 330.00
Cat# ASC11699
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