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AB275120

Alexa Fluor® 555 Anti-FOXP3 antibody [SP97]

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(2 Publications)

Rabbit Recombinant Monoclonal FOXP3 antibody - conjugated to Alexa Fluor® 555. Suitable for IHC-P and reacts with Human samples. Cited in 2 publications.

View Alternative Names

IPEX, JM2, FOXP3, Forkhead box protein P3, Scurfin

1 Images
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 555 Anti-FOXP3 antibody [SP97] (AB275120)
  • IHC-P

Lab

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 555 Anti-FOXP3 antibody [SP97] (AB275120)

Immunofluorescence staining of FOXP3 staining in a section of formalin-fixed paraffin-embedded human normal tonsil*.

Performed on a Leica BOND. The section was pre-treated using heat mediated antigen retrieval with EDTA (pH9.0) using retrieval settings of 110°C for 40 minutes. The section was then incubated at room temperature for 1 hour with ab275120 at 1/100 dilution (shown in red) and counterstained using ab195887, Ms anti-Tubulin (A488) (1/250) at 1/250 dilution (shown in green). Nuclear DNA was labelled with DAPI (shown in blue). The section was then mounted using Dako Fluorescence Mounting Medium ®.

Image was taken with a confocal microscope (Leica-Microsystems, TCS SP8).

For other IHC staining systems (automated and non-automated), customers should optimize variable parameters such as antigen retrieval conditions, antibody concentrations and incubation times.

*Tissue obtained from the Human Research Tissue Bank, supported by the NIHR Cambridge Biomedical Research Centre.

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

SP97

Isotype

IgG

Conjugation

Alexa Fluor® 555

Excitation/Emission

Ex: 555nm, Em: 565nm

Carrier free

No

Reacts with

Human

Applications

IHC-P

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Species", "Dilution Info", "Notes"], "tabs": { "all-applications": {"fullname" : "All Applications", "shortname": "All Applications"}, "IHCP" : {"fullname" : "Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)", "shortname":"IHC-P"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Human": { "IHCP-species-checked": "testedAndGuaranteed", "IHCP-species-dilution-info": "1/100", "IHCP-species-notes": "<p></p>" } } }
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AB285290

Human FOXP3 ELISA Kit

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We recommend this product because it’s often used in the same experiment or related research.

We advise that you always check the datasheet to ensure it fits your experiments, or contact ourtechnical teamfor help.

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Product details

Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:

  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

For more information, read more on recombinant antibodies.

Alexa Fluor® is a registered trademark of Molecular Probes, Inc, a Thermo Fisher Scientific Company. The Alexa Fluor® dye included in this product is provided under an intellectual property license from Life Technologies Corporation. As this product contains the Alexa Fluor® dye, the purchase of this product conveys to the buyer the non-transferable right to use the purchased product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). As this product contains the Alexa Fluor® dye the sale of this product is expressly conditioned on the buyer not using the product or its components, or any materials made using the product or its components, in any activity to generate revenue, which may include, but is not limited to use of the product or its components: in manufacturing; (ii) to provide a service, information, or data in return for payment (iii) for therapeutic, diagnostic or prophylactic purposes; or (iv) for resale, regardless of whether they are sold for use in research. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.

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Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.4 Preservative: 0.02% Sodium azide Constituents: 68% PBS, 30% Glycerol (glycerin, glycerine), 1% BSA
Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle|Store in the dark
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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

FOXP3 also recognized as Forkhead box P3 is a transcription factor critical for immune system function. It weighs approximately 47 kDa. FOXP3 is mainly expressed in regulatory T cells (Tregs) which play a role in maintaining immune tolerance. Scientists primarily identify its presence in the nucleus where it facilitates transcriptional regulation. Methods like 'FOXP3 IHC' and 'FOXP3 IHC mouse' are useful for detecting this protein in tissue samples while 'FOXP3 antibodies' aid in research on this target. Techniques like 'FOXP3 staining' and 'FOXP3 flow cytometry' further allow for the analysis of its expression and function.
Biological function summary

This transcription factor operates by regulating the expression of a variety of genes involved in Treg cell development and function. FOXP3 can interact with other proteins to form complexes that modulate gene expression. Its role is essential in enabling Tregs to suppress immune responses a process necessary for preventing autoimmunity. The interaction extends to other key regulators within Tregs such as the protein complex 221D which may have overlapping functional responsibilities. 'FOXP3 236a/E7' reflects its genetic variants detectable in different studies providing insights into its biological functions.

Pathways

FOXP3 is a significant player within the immune regulation pathway. It integrates into the TGF-beta signaling pathway in which it controls the expression of genes important for Treg functions. The protein recruits other transcription factors like NF-kB coordinating intricate network regulations within immune cells. FOXP3's activity orchestrates the balance between immune activation and suppression ensuring a well-functioning immune response that prevents overreactions leading to autoimmune conditions.

FOXP3 mutations or dysregulation can link to autoimmune diseases like immune dysregulation polyendocrinopathy enteropathy X-linked syndrome (IPEX). This transcription factor's malfunction implicates cancer where inadequate Treg function can either suppress antitumor immunity or result in tumor progression. Proteins such as CTLA-4 which is also involved in immune regulation connect to FOXP3 in these contexts emphasizing FOXP3’s significant role in maintaining immune homeostasis and its impact on disease development.
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Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:
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Target data

The protein expressed by the FOXP3 gene is a transcriptional regulator critical for the development and inhibitory function of regulatory T-cells (Treg). It plays an essential role in immune system homeostasis by ensuring the suppressive function and stability of Treg cells and directly influencing conventional T-cells' expansion and function. FOXP3 can function as either a transcriptional repressor or activator, depending on its interactions with other factors, such as transcription factors, histone acetylases, and deacetylases. It co-activates genes like CTLA4 and TNFRSF18 and represses cytokine genes, including interleukin-2 (IL2) and interferon-gamma (IFNG), and inhibits cytokine production by repressing the activity of transcription factors RELA and NFATC2. FOXP3's association with histone acetylase KAT5 and deacetylase HDAC7 mediates IL2 repression, while its interaction with transcription factor RUNX1 modulates the expression of TNFRSF18, IL2RA, CTLA4, IL2, and IFNG. It also antagonizes RORC to inhibit the differentiation of IL17 producing helper T-cells (Th17), leading to reduced IL17 expression and promoting Treg development, while inhibiting the transcriptional activator activity of RORA. This supplementary information is collated from multiple sources and compiled automatically.
See full target information FOXP3
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Publications (2)

Recent publications for all applications. Explore the full list and refine your search

Science advances 9:eade5041 PubMed37043568

2023

Milk-derived extracellular vesicles protect intestinal barrier integrity in the gut-liver axis.

Applications

Unspecified application

Species

Unspecified reactive species

Lingjun Tong,Sitong Zhang,Qiqi Liu,Chenyuan Huang,Haining Hao,Michelle Siying Tan,Xiaodong Yu,Charles Kang Liang Lou,Rong Huang,Zhe Zhang,Tongjie Liu,Pimin Gong,Cheng Han Ng,Mark Muthiah,Giorgia Pastorin,Matthias Gerhard Wacker,Xiaoyuan Chen,Gert Storm,Cheun Neng Lee,Lanwei Zhang,Huaxi Yi,Jiong-Wei Wang

Frontiers in immunology 13:904418 PubMed35774776

2022

3D Collagen Fiber Concentration Regulates Treg Cell Infiltration in Triple Negative Breast Cancer.

Applications

Unspecified application

Species

Unspecified reactive species

Huan Gao,Qi Tian,Yan Zhou,Lizhe Zhu,Yinliang Lu,Yingying Ma,Jinteng Feng,Yina Jiang,Bo Wang
View all publications
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Product promise

We are committed to supporting your work with high-quality reagents, and we're here for you every step of the way. In the unlikely event that one of our products does not perform as expected, you're protected by our Product Promise.
For full details, please see our Terms & Conditions
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Associated Products

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