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Alexa Fluor® 594 anti-Pax-5 Antibody

Pricing & Availability
Clone
1H9 (See other available formats)
Regulatory Status
RUO
Other Names
Paired box 5, B-cell lineage specific activator, BSAP, paired box homeotic gene 5
Isotype
Rat IgG2a, κ
Ave. Rating
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Product Citations
publications
1H9_A594_Pax5_Antibody_1_022218
Daudi cells were fixed with 4% paraformaldehyde (PFA) for 10 minutes, permeabilized with 0.5% Triton X-100 for 3 minutes, and blocked with 5% FBS for 60 minutes. Then the cells were intracellularly stained overnight at 4 degrees with (A) 1: 250 diluted (2 µg/ml) Alexa Fluor® 594 Rat IgG2a (Cat. No. 400555) or with Alexa Fluor® 594 anti-Pax-5 antibody (red) at 1: 250 (2 µg/ml, Figure B) and 1: 1000 (0.5 µg/ml, Figure C) dilution. Nuclei were counterstained with DAPI (blue). The image was captured with a 60X objective.
  • 1H9_A594_Pax5_Antibody_1_022218
    Daudi cells were fixed with 4% paraformaldehyde (PFA) for 10 minutes, permeabilized with 0.5% Triton X-100 for 3 minutes, and blocked with 5% FBS for 60 minutes. Then the cells were intracellularly stained overnight at 4 degrees with (A) 1: 250 diluted (2 µg/ml) Alexa Fluor® 594 Rat IgG2a (Cat. No. 400555) or with Alexa Fluor® 594 anti-Pax-5 antibody (red) at 1: 250 (2 µg/ml, Figure B) and 1: 1000 (0.5 µg/ml, Figure C) dilution. Nuclei were counterstained with DAPI (blue). The image was captured with a 60X objective.
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649711 25 µg 128€
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649712 100 µg 296€
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Description

Pax5, also known as BSAP (B cell specific activator protein), is a member of the paired box (Pax) family of transcription factors. PAX proteins are important regulators in early development, and alterations in the expression of their genes are thought to contribute to neoplastic transformation. Pax5 is the only member of the Pax family of transcription factors that is expressed in hematopoietic cells. During embryogenesis, Pax5 is transiently expressed in the brain of mice and in the mesencephalon and spinal cord of humans. Its expression is upregulated early in B cell development at the time of B cell commitment and is maintained throughout most subsequent stages. Suppression of Pax5 is essential for expression of Blimp-1 and the terminal differentiation of plasma cells. In the spleen, expression of Pax5 is higher in marginal zone B cells (B220+ CD21high CD23low) than in other B cells, especially the transition 1 stage (B220+ CD21- CD23-). In addition to its role in B cell development, Pax5 also affects VH-DJH heavy chain recombination as well as influencing the expression of many other B and non-B cell related proteins.  Its expression has also been detected in developing CNS and testis and so the encoded protein may also play a role in neural development and spermatogenesis.

This gene is located at 9p13, which is involved in t(9;14)(p13;q32) translocations recurring in small lymphocytic lymphomas of the plasmacytoid subtype, and in derived large-cell lymphomas. This translocation brings the potent E-mu enhancer of the IgH gene into close proximity of the PAX5 promoter, suggesting that the deregulation of transcription of this gene contributes to the pathogenesis of these lymphomas. Alternatively spliced transcript variants encoding different isoforms have been described but their biological validity has not been determined.
 

Product Details
Technical Data Sheet (pdf)

Product Details

Verified Reactivity
Human, Mouse
Antibody Type
Monoclonal
Host Species
Rat
Immunogen
Recombinant mouse Pax-5 protein
Formulation
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
Preparation
The antibody was purified by affinity chromatography and conjugated with Alexa Fluor® 594 under optimal conditions.
Concentration
0.5 mg/ml
Storage & Handling
The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
Application

ICC - Quality tested
Recommended Usage

Each lot of this antibody is quality control tested by immunocytochemistry. For immunocytochemistry, a concentration range of 0.5 - 2.0 μg/ml (1:250 - 1:1000 dilution) is recommended. It is recommended that the reagent be titrated for optimal performance for each application.

* Alexa Fluor® 594 has an excitation maximum of 590 nm, and a maximum emission of 617 nm.


Alexa Fluor® and Pacific Blue™ are trademarks of Life Technologies Corporation.

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Application Notes

The monoclonal 1H9 antibody recognizes both mouse and human Pax5.

Additional reported applications (for the relevant formats) include: Western blotting1,2, immunohistochemical staining of formalin-fixed sections, and spatial biology (IBEX)4,5.

NOTE: For flow cytometric staining with this clone, True-Nuclear™ Transcription Factor Buffer Set (Cat. No. 424401) offers improved staining and is highly recommended over the Foxp3 Fix/Perm Buffer Set (Cat. No. 421403) and the Nuclear Factor Fixation and Permeabilization Buffer Set (Cat. No. 422601).

Application References
  1. Kallies A, et al. 2007. Immunity 26:555. (WB)
  2. McManus S, et al. 2011. EMBO J. 30:2388. (WB)
  3. Andricovich J, et al. 2016. J. Clin. Invest. 126:905. (ICFC) Pubmed
  4. Radtke AJ, et al. 2020. Proc Natl Acad Sci U S A. 117:33455-65. (SB) PubMed
  5. Radtke AJ, et al. 2022. Nat Protoc. 17:378-401. (SB) PubMed
RRID
AB_2728483 (BioLegend Cat. No. 649711)
AB_2728483 (BioLegend Cat. No. 649712)

Antigen Details

Structure
391 amino acids with predicted molecular weight of 42 kD
Distribution

Nucleus

Function
Plays an important role in B-cell differentiation as well as neural development and spermatogenesis; involved in the regulation of the CD19 gene, a B-lymphoid-specific target gene
Interaction
Interacts with DAXX; binds DNA as a monomer, binds TLE4
Cell Type
B cells
Biology Area
Cell Biology, Immunology, Transcription Factors
Molecular Family
Nuclear Markers
Antigen References

1. Liao F, et al. 1992. J. Immunol. 148:2909.
2. Nutt SL, et al. 1997. Genes Dev. 11:476.
3. Nera KP, et al. 2006. Immunity 24:283.
4. Fuxa M, et al. 2007. Immunity 178:3031.

Gene ID
5079 View all products for this Gene ID
UniProt
View information about Pax-5 on UniProt.org
Go To Top Version: 1    Revision Date: 02/23/2018

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

 

This product is supplied subject to the terms and conditions, including the limited license, located at www.biolegend.com/terms) ("Terms") and may be used only as provided in the Terms. Without limiting the foregoing, BioLegend products may not be used for any Commercial Purpose as defined in the Terms, resold in any form, used in manufacturing, or reverse engineered, sequenced, or otherwise studied or used to learn its design or composition without express written approval of BioLegend. Regardless of the information given in this document, user is solely responsible for determining any license requirements necessary for user’s intended use and assumes all risk and liability arising from use of the product. BioLegend is not responsible for patent infringement or any other risks or liabilities whatsoever resulting from the use of its products.

 

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This data display is provided for general comparisons between formats.
Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
If you need assistance with selecting the best format contact our expert technical support team.

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