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Human/Mouse/Rat FoxP3 Alexa Fluor® 647-conjugated Antibody

R&D Systems, part of Bio-Techne | Catalog # IC8970R

Recombinant Monoclonal Antibody.
R&D Systems, part of Bio-Techne
Catalog #
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IC8970R-025
IC8970R-100

Key Product Details

Species Reactivity

Human, Mouse, Rat

Applications

Intracellular Staining by Flow Cytometry

Label

Alexa Fluor 647 (Excitation = 650 nm, Emission = 668 nm)

Antibody Source

Recombinant Monoclonal Mouse IgG1 Clone # 376209

Product Specifications

Immunogen

E. coli-derived recombinant human FoxP3
Gln105-Lys200
Accession # Q9BZS1

Specificity

Detects human FoxP3 in direct ELISAs. Detects human, mouse, and rat FoxP3 in flow cytometry.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Scientific Data Images for Human/Mouse/Rat FoxP3 Alexa Fluor® 647-conjugated Antibody

Detection of FoxP3 antibody in Human PBMCs antibody by Flow Cytometry.

Detection of FoxP3 in Human PBMCs by Flow Cytometry.

Human peripheral blood mononuclear cells (PBMCs) were stained with Mouse Anti-Human/Mouse/Rat FoxP3 Alexa Fluor® 647-conjugated Monoclonal Antibody (Catalog # IC8970R) and Mouse Anti-Human CD4 Fluorescein-conjugated Monoclonal Antibody (Catalog # FAB3791F). Quadrant markers were set based on control antibody staining (Catalog # IC002R). To facilitate intracellular staining, cells were fixed and permeabilized with FlowX FoxP3 Fixation & Permeabilization Buffer Kit (Catalog # FC012). View our protocol for Staining Intracellular Molecules.
Detection of FoxP3 antibody in Human PBMCs antibody by Flow Cytometry.

Detection of FoxP3 in Human PBMCs by Flow Cytometry.

Human peripheral blood mononuclear cells (PBMCs) were stained with Mouse Anti-Human/Mouse/Rat FoxP3 Alexa Fluor® 647-conjugated Monoclonal Antibody (Catalog # IC8970R) and Mouse Anti-Human CD25/IL-2 R alpha PE-conjugated Monoclonal Antibody (Catalog # FAB1020P). Quadrant markers were set based on control antibody staining (Catalog # IC002R). To facilitate intracellular staining, cells were fixed and permeabilized with FlowX FoxP3 Fixation & Permeabilization Buffer Kit (Catalog # FC012). View our protocol for Staining Intracellular Molecules.
Detection of FoxP3 antibody in Mouse Splenocytes antibody by Flow Cytometry.

Detection of FoxP3 in Mouse Splenocytes by Flow Cytometry.

Mouse splenocytes were stained with Mouse Anti-Human/Mouse/Rat FoxP3 Alexa Fluor® 647-conjugated Monoclonal Antibody (Catalog # IC8970R) and Rat Anti-Mouse CD4 Alexa Fluor® 488-conjugated Monoclonal Antibody (Catalog # FAB554G). Quadrant markers were set based on control antibody staining (Catalog # IC002R). To facilitate intracellular staining, cells were fixed and permeabilized with FlowX FoxP3 Fixation & Permeabilization Buffer Kit (Catalog # FC012). View our protocol for Staining Intracellular Molecules.

Applications for Human/Mouse/Rat FoxP3 Alexa Fluor® 647-conjugated Antibody

Application
Recommended Usage

Intracellular Staining by Flow Cytometry

5 µL/106 cells
Sample: Human peripheral blood mononuclear cells (PBMCs), mouse splenocytes, and rat splenocytes fixed and permeabilized with FlowX FoxP3 Fixation & Permeabilization Buffer Kit (Catalog # FC012)

Formulation, Preparation, and Storage

Purification

Protein A or G purified from cell culture supernatant

Formulation

Supplied in a saline solution containing BSA and Sodium Azide.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Protect from light. Do not freeze.
  • 12 months from date of receipt, 2 to 8 °C as supplied.

Background: FoxP3

Human FoxP3 is a 431 amino acid (aa), 47 kDa member of the P subclass of the FOX (forkhead box) family of transcription factors. It contains a Leu-rich repeat, a C2H2 zinc finger region, and a C-terminal FKH (fork head), DNA-binding domain. Three alternative splicing events have been described in human. The first shows a deletion of aa 72-106, a second exhibits a deletion of aa 246-272, and a third records a 60 aa insertion after Lys382. These events are likely not to be mutually exclusive. The first isoform (plus the full-length form) occurs in CD4+CD25+ T cells, while the less frequent second isoform appears in CD8+ Tregs. The mouse FoxP3 gene does not appear to be spliced. In addition, FoxP3 is found only in Tregs in mouse, while human FoxP3 appears in both Tregs and CD4+ and CD8+ conventional T cells.

Both mouse and human FoxP3 undergo proteolytic processing, after Arg51 and Arg417 in human, and at equivalent sites in mouse. Cleavage at the N-terminus generate a 41 kDa isoform, whereas C-terminal cleavage generates an isoform indistinguishable from the full-length isoform (47 kDa) in SDS-PAGE.

FoxP3 can act as a transcriptional repressor (for IL-2) via an interaction with HDAC7. By contrast, it can also act as a transcriptional activator (for GITRL and
CTLA-4) through an interaction with RUNX7. Notably, for both human and mouse, full-length 47 kDa FoxP3 will induce high levels of CTLA-4 on expressing cells. However, when the C-terminally truncated isoform (at Arg417) is considered, IL-10 promoting activity is enhanced in mouse, while suppressive activity is lost in human. Over aa 105-200, human FoxP3 shares 83% and 84% aa sequence identity with rat and mouse FoxP3, respectively.

Long Name

Forkhead Box P3

Alternate Names

AIID, DIETER, IPEX, JM2, PIDX, SCURFIN, XPID

Entrez Gene IDs

50943 (Human); 20371 (Mouse)

Gene Symbol

FOXP3

UniProt

Additional FoxP3 Products

Product Documents

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Human/Mouse/Rat FoxP3 Alexa Fluor® 647-conjugated Antibody


This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.

For research use only

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