Anti-FOXP3 antibody (ab4728)
Key features and details
- Rabbit polyclonal to FOXP3
- Suitable for: IHC-Fr, WB, IHC-P
- Reacts with: Human
- Isotype: IgG
Get better batch-to-batch reproducibility with a recombinant antibody
- Research with confidence – consistent and reproducible results with every batch
- Long-term and scalable supply – powered by recombinant technology for fast production
- Success from the first experiment – confirmed specificity through extensive validation
- Ethical standards compliant – production is animal-free
Overview
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Product name
Anti-FOXP3 antibody
See all FOXP3 primary antibodies -
Description
Rabbit polyclonal to FOXP3 -
Host species
Rabbit -
Specificity
This antibody recognises a single band representing human FOXP3 in a HEK293 lysate overexpressing human FOXP3. -
Tested applications
Suitable for: IHC-Fr, WB, IHC-Pmore details -
Species reactivity
Reacts with: Human -
Immunogen
Synthetic peptide. This information is proprietary to Abcam and/or its suppliers.
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Positive control
- This antibody gave a positive signal in Hek293 lysate over expressing FoxP3 and Human tonsil. IHC-P: FFPE Human tonsil tissue sections.
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General notes
The Life Science industry has been in the grips of a reproducibility crisis for a number of years. Abcam is leading the way in addressing this with our range of recombinant monoclonal antibodies and knockout edited cell lines for gold-standard validation. Please check that this product meets your needs before purchasing.
If you have any questions, special requirements or concerns, please send us an inquiry and/or contact our Support team ahead of purchase. Recommended alternatives for this product can be found below, along with publications, customer reviews and Q&As
Properties
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Form
Liquid -
Storage instructions
Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C or -80°C. Avoid freeze / thaw cycle. -
Storage buffer
pH: 7.40
Preservative: 0.02% Sodium azide
Constituent: PBS
Batches of this product that have a concentration < 1mg/ml may have BSA added as a stabilising agent. If you would like information about the formulation of a specific lot, please contact our scientific support team who will be happy to help. -
Concentration information loading... -
Purity
Immunogen affinity purified -
Clonality
Polyclonal -
Isotype
IgG -
Research areas
Associated products
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Compatible Secondaries
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Isotype control
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Recombinant Protein
Applications
The Abpromise guarantee
Our Abpromise guarantee covers the use of ab4728 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
| Application | Abreviews | Notes |
|---|---|---|
| IHC-Fr |
Use a concentration of 1 µg/ml.
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| WB | (1) |
Use at an assay dependent concentration. Detects a band of approximately 50 kDa (predicted molecular weight: 47 kDa).
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| IHC-P | (1) |
Use a concentration of 5 µg/ml. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol.
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| Notes |
|---|
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IHC-Fr
Use a concentration of 1 µg/ml. |
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WB
Use at an assay dependent concentration. Detects a band of approximately 50 kDa (predicted molecular weight: 47 kDa). |
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IHC-P
Use a concentration of 5 µg/ml. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol. |
Target
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Function
Probable transcription factor. Plays a critical role in the control of immune response. -
Involvement in disease
Defects in FOXP3 are the cause of immunodeficiency polyendocrinopathy, enteropathy, X-linked syndrome (IPEX) [MIM:304790]; also known as X-linked autoimmunity-immunodeficiency syndrome. IPEX is characterized by neonatal onset insulin-dependent diabetes mellitus, infections, secretory diarrhea, trombocytopenia, anemia and eczema. It is usually lethal in infancy. -
Sequence similarities
Contains 1 C2H2-type zinc finger.
Contains 1 fork-head DNA-binding domain. -
Cellular localization
Nucleus. - Information by UniProt
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Database links
- Entrez Gene: 50943 Human
- Omim: 300292 Human
- SwissProt: Q9BZS1 Human
- Unigene: 247700 Human
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Alternative names
- AIID antibody
- DIETER antibody
- Forkhead box P3 antibody
see all
Images
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Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-FOXP3 antibody (ab4728)
IHC image of FOXP3 staining in a section of formalin-fixed paraffin-embedded normal human tonsil* performed on a Leica BONDTM system using the standard protocol F. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH6, epitope retrieval solution 1) for 20mins. The section was then incubated with ab4728, 1ug/ml, for 15 mins at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX. The inset secondary-only control image is taken from an identical assay without primary antibody.
For other IHC staining systems (automated and non-automated) customers should optimize variable parameters such as antigen retrieval conditions, primary antibody concentration and antibody incubation times.
*Tissue obtained from the Human Research Tissue Bank, supported by the NIHR Cambridge Biomedical Research Centre
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Immunohistochemistry (Frozen sections) - Anti-FOXP3 antibody (ab4728)IHC image of FOXP3 staining in a section of formalin-fixed frozen normal human tonsil* performed on a Leica BONDTM system using the standard protocol F. The section was then incubated with ab4728, 1ug/ml, for 15 mins at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX. The inset secondary-only control image is taken from an identical assay without primary antibody.
For other IHC staining systems (automated and non-automated) customers should optimize variable parameters such as antigen retrieval conditions, primary antibody concentration and antibody incubation times.
*Tissue obtained from the Human Research Tissue Bank, supported by the NIHR Cambridge Biomedical Research Centre
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Western blot - Anti-FOXP3 antibody (ab4728)Western blot using ab4728 at 1/500.
Lane 1: HEK 293 lysate with ab4728
Lane 2: HEK 293 lysate over expressing human FOXP3 with ab4728
Lane 3: HEK 293 lysate over expressing mouse FOXP3 with ab4728
Lane 4: HEK 293 lysate with secondary antibody control ab6721.Secondary antibody: Goat polyclonal to Rabbit IgG (HRP) ab6721 1/5000.
Exposure time: 30 sec.
Expected molecular weight: 47kD -
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-FOXP3 antibody (ab4728)IHC image of FOXP3 staining in human tonsil FFPE section, performed on a BondTM system using the standard protocol F. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH6, epitope retrieval solution 1) for 20 mins. The section was then incubated with ab4728, 5µg/ml, for 15 mins at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX.
Protocols
Datasheets and documents
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SDS download
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Datasheet download
References (13)
ab4728 has been referenced in 13 publications.
- Zhao Y et al. Expression of Foxp3 and interleukin-7 receptor and clinicopathological characteristics of patients with diffuse large B-cell lymphoma. Oncol Lett 19:2755-2764 (2020). PubMed: 32218828
- Ma Y et al. Placental endovascular extravillous trophoblasts (enEVTs) educate maternal T-cell differentiation along the maternal-placental circulation. Cell Prolif 53:e12802 (2020). PubMed: 32291850
- Schulze AB et al. Tumor infiltrating T cells influence prognosis in stage I-III non-small cell lung cancer. J Thorac Dis 12:1824-1842 (2020). PubMed: 32642087
- Ji D et al. Combination of radiotherapy and suppression of Tregs enhances abscopal antitumor effect and inhibits metastasis in rectal cancer. J Immunother Cancer 8:N/A (2020). PubMed: 33106387
- Chen J et al. Contribution of regulatory T cells to immune tolerance and association of microRNA-210 and Foxp3 in preeclampsia. Mol Med Rep 19:1150-1158 (2019). PubMed: 30569125