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Brilliant Violet 421™ anti-mouse FOXP3 Antibody

Pricing & Availability
Clone
MF-14 (See other available formats)
Regulatory Status
RUO
Other Names
Forkhead box protein P3, Scurfin, JM2, IPEX, Zinc finger protein JM2
Isotype
Rat IgG2b, κ
Ave. Rating
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Product Citations
publications
MF-14_BV421_FOXP3_Antibody_ICFC_1_072115
C57BL/6 splenocytes were surface stained with CD4 APC and then treated with True-Nuclear™ Transcription Factor Buffer Set. Cells were then stained with FOXP3 (clone MF-14) Brilliant Violet 421™ (top) or rat IgG2b, κ Brilliant Violet 421™ isotype control (bottom).
  • MF-14_BV421_FOXP3_Antibody_ICFC_1_072115
    C57BL/6 splenocytes were surface stained with CD4 APC and then treated with True-Nuclear™ Transcription Factor Buffer Set. Cells were then stained with FOXP3 (clone MF-14) Brilliant Violet 421™ (top) or rat IgG2b, κ Brilliant Violet 421™ isotype control (bottom).
  • MF-14_BV421_FOXP3_Antibody_ICFC_2_072115
Compare all formats See Brilliant Violet 421™ spectral data
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126419 50 µg 203€
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Description

FOXP3 is a 47 kD transcription factor, also known as Forkhead box protein P3, Scurfin, JM2, or IPEX. It is proposed to be a master regulatory gene and more specific marker of T regulatory cells than most cell surface markers (such as CD4 and CD25). Transduced expression of FOXP3 in CD4+/CD25- cells has been shown to induce GITR, CD103, and CTLA4 and impart a T regulatory cell phenotype. FOXP3 is mutated in X-linked autoimmunity-allergic dysregulation syndrome (XLAAD or IPEX) in humans and in "scurfy" mice. Overexpression of FOXP3 has been shown to lead to a hypoactive immune state suggesting that this transcriptional factor is a central regulator of T cell activity.

Product Details
Technical Data Sheet (pdf)

Product Details

Verified Reactivity
Mouse
Antibody Type
Monoclonal
Host Species
Rat
Formulation
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and BSA (origin USA).
Preparation
The antibody was purified by affinity chromatography and conjugated with Brilliant Violet 421™ under optimal conditions.
Concentration
0.2 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

ICFC - Quality tested
Recommended Usage

Each lot of this antibody is quality control tested by intracellular flow cytometry using our True-Nuclear™ Transcription Factor Staining Protocol. For flow cytometric staining, the suggested use of this reagent is ≤0.5 µg per million cells in 100 µl volume. It is recommended that the reagent be titrated for optimal performance for each application.

Brilliant Violet 421™ excites at 405 nm and emits at 421 nm. The standard bandpass filter 450/50 nm is recommended for detection. Brilliant Violet 421™ is a trademark of Sirigen Group Ltd.


Learn more about Brilliant Violet™.

This product is subject to proprietary rights of Sirigen Inc. and is made and sold under license from Sirigen Inc. The purchase of this product conveys to the buyer a non-transferable right to use the purchased product for research purposes only. This product may not be resold or incorporated in any manner into another product for resale. Any use for therapeutics or diagnostics is strictly prohibited. This product is covered by U.S. Patent(s), pending patent applications and foreign equivalents.
Excitation Laser
Violet Laser (405 nm)
Application Notes

NOTE: For flow cytometric staining with this clone, True-Nuclear™ Transcription Factor Buffer Set (Cat. No. 424401) offers improved staining and is highly recommended.

Application References
  1. Ono M, et al. 2007. Nature 446:685.
  2. Hori S, et al. 2003. Science 299:1057.
  3. Fontenot JD, et al. 2003 Nature Immunol 4:330.
  4. Fallarino F, et al. 2009. J. Immunol. 183:6033. PubMed
  5. Barber A, et al. 2009 J. Immunol. 183:6939. PubMed
  6. Nakashima H, et al. 2010. J. Immunol. 184:4637. PubMed
Product Citations
  1. Alam A, et al. 2022. Cancer Cell. 40:153. PubMed
  2. Zhang B, et al. 2023. Signal Transduct Target Ther. 8:28. PubMed
  3. Wang R, et al. 2023. iScience. 26:105954. PubMed
  4. Wang L, et al. 2023. Oxid Med Cell Longev. 2023:6480848. PubMed
  5. Wight AE, et al. 2022. Proc Natl Acad Sci U S A. 119:e2200757119. PubMed
  6. Yao RQ, et al. 2022. Theranostics. 12:4606. PubMed
  7. Yao RQ, et al. 2023. Mil Med Res. 10:27. PubMed
  8. Marques RM, et al. 2021. Cell Death Differ. 28:3140. PubMed
  9. Baram T, et al. 2021. Cells. 10:. PubMed
  10. Mills C, et al. 2022. Cells. 11:. PubMed
  11. Zhang B, et al. 2021. Nat Biomed Eng. 5:1288. PubMed
  12. Sharma M, et al. 2020. Circ Res. 127:335. PubMed
  13. Becker W, et al. 2021. J Crohns Colitis. 15:1032. PubMed
  14. Kyburz A, et al. 2019. J Allergy Clin Immunol. 143:1496. PubMed
  15. Xiao Y, et al. 2022. Nat Commun. 13:758. PubMed
  16. Wei Z, et al. 2021. Nat Commun. 0.805555556. PubMed
  17. Koelwyn GJ, et al. 2020. Nat Med. 1452:26. PubMed
  18. Kyburz A, et al. 2017. Clin Exp Allergy. 47:1331. PubMed
  19. Qadir AS, et al. 2021. iScience. 24:103348. PubMed
  20. Desai P, et al. 2021. Cell. 184(5):1214-1231.e16. PubMed
  21. Liu J, et al. 2021. Front Immunol. 12:733808. PubMed
  22. Chen Y, et al. 2022. Nat Commun. 13:4468. PubMed
  23. Sharma M, et al. 2019. Immunometabolism. 1. PubMed
  24. Wang J, et al. 2020. Cell. 183(7):1867-1883.e26. PubMed
  25. Hayashi K, et al. 2020. Nat Commun. 4.832638889. PubMed
  26. Tsai S, et al. 2018. Cell Metab. 28:922. PubMed
RRID
AB_2565933 (BioLegend Cat. No. 126419)

Antigen Details

Structure
50-55 kd protein. Forkhead/winged-helix transcription factor family, contains zinc finger and forkhead domains.
Distribution

Nuclear; expressed in Treg cells.

Function
Master regulatory gene in Treg cell development, crucial for immune homeostasis.
Interaction
Interacts with DNA
Cell Type
Tregs
Biology Area
Immunology
Molecular Family
Nuclear Markers
Antigen References

1. Ono M, et al. 2007. Nature 446:685.
2. Hori S, et al. 2003. Science 299:1057.
3. Fontenot JD, et al. 2003 Nature Immunol 4:330.

Regulation
Present at high level in T reg cells. Induced by T cell activation.
Gene ID
20371 View all products for this Gene ID
UniProt
View information about FOXP3 on UniProt.org

Related FAQs

What is the F/P ratio range of our BV421™ format antibody reagents?

It is lot-specific. On average it ranges between 2-4.

Can I stain whole blood with anti-FOXP3 using your Foxp3 staining kit?

It is not recommended. It is best to use PBMCs for this testing.

Can FOXP3 be costained with cytokines?

The larger holes created by the nuclear permeabilization required for FOXP3 may allow cytokines to leak out of the cell, making it harder to detect lowly-expressed cytokines. You may have to use a control where the cells are only permeabilized through the cell membrane.

Go To Top Version: 1    Revision Date: 07.30.2015

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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