Alexa Fluor® 647 anti-mouse/rat/human FOXP3 Antibody

Pricing & Availability
Clone
150D (See other available formats)
Regulatory Status
RUO
Other Names
Forkhead box protein P3, Scurfin, JM2, IPEX, Zinc finger protein JM2
Isotype
Mouse IgG1, κ
150D_AF647_FOXP3_Antibody_ICFC_1_041515
C57BL/6 splenocytes were surface stained with CD4 PE and then treated with True-Nuclear™ Transcription Factor Buffer Set. Cells were then stained with FOXP3 (clone 150D) Alexa Fluor® 647 (top) or mouse IgG1, κ Alexa Fluor® 647 isotype control (bottom).
  • 150D_AF647_FOXP3_Antibody_ICFC_1_041515
    C57BL/6 splenocytes were surface stained with CD4 PE and then treated with True-Nuclear™ Transcription Factor Buffer Set. Cells were then stained with FOXP3 (clone 150D) Alexa Fluor® 647 (top) or mouse IgG1, κ Alexa Fluor® 647 isotype control (bottom).
  • 150D_AF647_FOXP3_Antibody_ICFC_2_041515
Compare all formats See Alexa Fluor® 647 spectral data
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320013 25 tests $188.00
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320014 100 tests $370.00
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Description

FOXP3 is a 50-55 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. In human, unlike in mouse, two isoforms of FOXP3 have been reported: one (FOXP3) corresponding to the canonical full-length sequence; the other (FOXP3 δ2) lacking exon 2. The 150D monoclonal antibody reacts with human, mouse and rat FOXP3. The 150D antibody recognizes FOXP3 epitope encoded by exon 2.

Technical data sheet

Product Details

Verified Reactivity
Human, Mouse, Rat
Reported Reactivity
Cynomolgus, Rhesus, Baboon
Antibody Type
Monoclonal
Host Species
Mouse
Immunogen
Full-length FOXP3 protein
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 Alexa Fluor® 647 under optimal conditions.
Concentration
Lot-specific (to obtain lot-specific concentration and expiration, please enter the lot number in our Certificate of Analysis online tool.)
Storage & Handling
The FOXP3 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 5 µl per 106 cells in 100 µl volume. It is recommended that the reagent be titrated for optimal performance for each application.

* Alexa Fluor® 647 has a maximum emission of 668 nm when it is excited at 633nm / 635nm.


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

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Excitation Laser
Red Laser (633 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

(PubMed link indicates BioLegend citation)
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Product Citations
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RRID
AB_439749 (BioLegend Cat. No. 320013)
AB_439749 (BioLegend Cat. No. 320014)

Antigen Details

Structure
Forkhead/winged-helix transcription factor family, approximately 50 kD, contains zinc finger and forkhead domains
Distribution

Nuclear; expressed in T regulatory cells

Function
Transcription factor proposed to be a master regulatory gene in T regulatory cell development and a critical factor for immune homeostasis
Interaction
Interacts with DNA
Cell Type
Tregs
Biology Area
Cell Biology, Immunology, Transcription Factors
Molecular Family
Nuclear Markers
Antigen References

1. Hori S, et al. 2003. Science 299:1057.

Regulation
FOXP3 is present at high levels in T regulatory cell can also be induced by T cell activation
Gene ID
20371 View all products for this Gene ID 317382 View all products for this Gene ID 50943 View all products for this Gene ID
UniProt
View information about FOXP3 on UniProt.org
Go To Top Version: 4    Revision Date: 04/15/2015

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Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
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