Thermo Fisher Scientific FOXP3 Monoclonal Antibody (PCH101), Biotin, eBioscience

Applications

Tested Dilution

Publications

Western Blot (WB)

Assay-Dependent

View 1 publication 1 publication

Immunohistochemistry (IHC)

-

View 15 publications 15 publications

Immunohistochemistry (Paraffin) (IHC (P))

Assay-Dependent

View 2 publications 2 publications

Immunohistochemistry (Frozen) (IHC (F))

Assay-Dependent

-

Flow Cytometry (Flow)

0.25 µg/test

View 44 publications 44 publications

Product Specifications

Species Reactivity

Chimpanzee, Cynomolgus monkey, Human, Non-human primate, Rhesus monkey

Published species

Human

Host/Isotype

Rat / IgG2a, kappa

Recommended Isotype Control

Rat IgG2a kappa Isotype Control (eBR2a), Biotin, eBioscience™

Class

Monoclonal

Type

Antibody

Clone

PCH101

Conjugate

Biotin Biotin Biotin

View additional formats

• Unconjugated
• Alexa Fluor 488
• Alexa Fluor 532
• Alexa Fluor 561
• Alexa Fluor 660
• Alexa Fluor 700
• APC
• eFluor 450
• eFluor 660
• FITC
• PE
• PE-Cyanine5
• PE-Cyanine5.5
• PE-Cyanine7
• PE-eFluor 610
• PerCP-Cyanine5.5
• Request custom conjugation

Form

Liquid

Concentration

0.5 mg/mL

Purification

Affinity chromatography

Storage buffer

PBS, pH 7.2

Contains

0.09% sodium azide

Storage conditions

4° C, store in dark, DO NOT FREEZE!

Shipping conditions

Ambient (domestic); Wet ice (international)

RRID

AB_763539

Product Specific Information

Description: eBioscience offers a panel of monoclonal antibodies to different epitopes of human Foxp3, providing useful tools for investigating the complete expression pattern of Foxp3 at the protein level, and discerning the precise subsets of Foxp3^+ cells.

The PCH101 antibody reacts with the amino terminus of human foxp3 protein also known as FORKHEAD BOX P3, SCURFIN, and JM2; cross reactivity of this antibody to other proteins has not been determined. Foxp3, a 49-55 kDa protein, is a member of the forkhead/winged-helix family of transcriptional regulators, and was identified as the gene defective in scurfy (sf) mice. Constitutive high expression of Foxp3 mRNA has been shown in CD4+CD25+ regulatory T cells (Treg cells), and ectopic expression of foxp3 in CD4+CD25- cells imparts a Treg phenotype in these cells.

Intracellular staining of human peripheral blood mononuclear cells (PBMCs) with PCH101 antibody using the anti-human Foxp3 Staining Set and protocol reveals approximately 0.5-4% of lymphocytes staining, with the majority of staining occurring in the CD25^bright population. This is subject to donor variability.

PCH101 cross-reacts with rhesus, chimpanzee and cynomolgus. We recommend the use of CD4 (OKT4, Product # 11-0048-42 , or RPA-T4, Product # 11-0049-42 , depending on the species) and CD25 (BC96, Product # 17-0259-42).

Applications Reported: This PCH101 antibody has been reported for use in intracellular staining followed by flow cytometric analysis, western blotting, immunohistochemical staining of frozen and formalin-fixed paraffin embedded tissue sections.

Applications Tested: This PCH101 antibody has been tested by intracellular flow cytometric analysis of normal human peripheral blood cells using the Foxp3/Transcription Factor Staining Buffer Set (Product # 00-5523) and protocol. Please see BestProtocols® Section (Staining intracellular Antigens for Flow Cytometry) for staining protocol (refer to Protocol B: One-step protocol for intracellular (nuclear) proteins). This antibody can be used at less than or equal to 0.25 µg per test. A test is defined as the amount (µg) of antibody that will stain a cell sample in a final volume of 100 µL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest.

Filtration: 0.2 µm post-manufacturing filtered.

Target Information

FOXP3 (Forkhead box protein 3) is a member of the forkhead/winged-helix family of transcriptional regulators, highly conserved across mammals, and essential for normal immune homeostasis. FOXP3 is 381 amino acids long, stably and constitutively expressed at a high level in CD25 + CD4 positive regulatory T cells, a low level in CD4-positive/CD25-negative cells, and is absent in CD4-negative/CD8-positive T cells. FOXP3 may be a master regulatory gene, and a more specific marker of regulatory T cells. Defects in the gene encoding FOXP3 protein cause the scurfy phenotype in mice. In humans FOXP3 defects play a role in IPEX syndrome (immune dysfunction, polyendocrinopathy, enteropathy, X-linked syndrome), also known as X-linked autoimmunity-allergic dysregulation (XLAAD) syndrome. Transcript variants of FOXP3 encoding different isoforms have been identified. In human breast and colon cancer cells, expression of FOXP3 is regulated by p53 in response to the DNA damage.

For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.