Invitrogen

FOXP3 Monoclonal Antibody (FJK-16s), PE, eBioscience™

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产品信息

12-5773-82

应用
建议稀释比
已发表文章

免疫印迹 (WB)

-
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免疫组化 (IHC)

-
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免疫组化（冰冻） (IHC (F))

-
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免疫细胞化学 (ICC/IF)

-
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流式细胞分析 (Flow)

1 µg/test
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功能检测 (Functional)

-
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其他PubMed (Misc)

-
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产品规格

种属反应

Bovine, Dog, Cat, Mouse, Pig, Rat

已发表种属

C. elegans, Cat, Dog, Horse, Human, Mouse, Pig, Rat, Rodent

宿主/亚型

Rat / IgG2a, kappa

推荐的同型对照

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

分类

Monoclonal

类型

Antibody

克隆号

FJK-16s

偶联物

PE PE PE

激发/发射光谱

565/576 nm 查看光谱 spectra

形式

Liquid

浓度

0.2 mg/mL

纯化类型

Affinity chromatography

保存液

PBS, pH 7.2

内含物

0.09% sodium azide

保存条件

4°C, store in dark, DO NOT FREEZE!

运输条件

Ambient (domestic); Wet ice (international)

RRID

AB_465936

产品详细信息

Description: The FJK-16s antibody reacts with mouse, rat, dog, porcine, bovine and cat Foxp3 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.

Immunoblotting with FJK-16s antibody has mapped the epitope to amino acids 75-125 of the mouse Foxp3 protein. In the human, this region has been shown to be alternatively spliced at the mRNA level. Both the alternatively-spliced and non-spliced isoforms are present in the CD4+CD25+ subset of lymphocytes. Preliminary RT-PCR experiments have not revealed this alternatively-spliced isoform in mouse splenocytes, suggesting different gene regulation in the mouse and human.

Please note that FJK-16s has been optimized for use with the Foxp3/Transcription Factor Buffer Staining Set (Product # 00-5523-00). The use of other fixation and staining buffers is not recommended.

Applications Reported: This FJK-16s antibody has been reported for use in intracellular flow cytometric analysis.

Applications Tested: This FJK-16s antibody has been tested by intracellular flow cytometric analysis of mouse splenocytes using the Foxp3/Transcription Factor Staining Buffer Set (Product # 00-5523-00) 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 1 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.

Excitation: 488-561 nm; Emission: 578 nm; Laser: Blue Laser, Green Laser, Yellow-Green Laser.

Filtration: 0.2 µm post-manufacturing filtered.

靶标信息

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.

仅用于科研。不用于诊断过程。未经明确授权不得转售。

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生物信息学

蛋白别名: Forkhead box protein P3; forkhead/winged helix transcription factor 3; Foxp3; MGC141961; MGC141963; RP23-54C14.1; Scurfin; scurfy

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基因别名: Foxp3; JM2; RGD1562112; scurfin; sf

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UniProt ID: (Mouse) Q99JB6

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Entrez Gene ID: (Dog) 491876, (Pig) 444998, (Bovine) 506053, (Cat) 100037405, (Mouse) 20371, (Rat) 317382

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功能
core promoter binding nucleic acid binding DNA binding transcription factor activity, sequence-specific DNA binding transcription factor activity, RNA polymerase II distal enhancer sequence-specific binding transcription corepressor activity protein binding histone acetyltransferase binding protein homodimerization activity histone deacetylase binding sequence-specific DNA binding metal ion binding NFAT protein binding RNA polymerase II transcription factor activity, sequence-specific DNA binding molecular_function
参与通路
negative regulation of transcription from RNA polymerase II promoter B cell homeostasis cytokine production myeloid cell homeostasis CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation CD4-positive, CD25-positive, alpha-beta regulatory T cell lineage commitment T cell mediated immunity tolerance induction tolerance induction to self antigen regulation of immunoglobulin production positive regulation of T cell tolerance induction regulation of T cell anergy positive regulation of T cell anergy negative regulation of chronic inflammatory response negative regulation of T cell cytokine production positive regulation of peripheral T cell tolerance induction transcription, DNA-templated regulation of transcription, DNA-templated regulation of transcription from RNA polymerase II promoter transcription from RNA polymerase II promoter negative regulation of cell proliferation anatomical structure morphogenesis positive regulation of gene expression negative regulation of histone deacetylation negative regulation of NF-kappaB transcription factor activity negative regulation of interferon-gamma production negative regulation of interleukin-10 production negative regulation of interleukin-17 production negative regulation of interleukin-2 production negative regulation of interleukin-4 production negative regulation of interleukin-5 production negative regulation of interleukin-6 production negative regulation of tumor necrosis factor production positive regulation of interleukin-4 production negative regulation of CREB transcription factor activity positive regulation of CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation positive regulation of transforming growth factor beta1 production positive regulation of immature T cell proliferation in thymus positive regulation of histone acetylation negative regulation of histone acetylation negative regulation of cytokine biosynthetic process T cell activation negative regulation of T cell proliferation negative regulation of sequence-specific DNA binding transcription factor activity regulatory T cell differentiation negative regulation of interferon-gamma biosynthetic process negative regulation of interleukin-2 biosynthetic process positive regulation of regulatory T cell differentiation negative regulation of transcription, DNA-templated positive regulation of transcription, DNA-templated positive regulation of transcription from RNA polymerase II promoter negative regulation of isotype switching to IgE isotypes regulation of isotype switching to IgG isotypes negative regulation of lymphocyte proliferation negative regulation of cytokine secretion negative regulation of inflammatory response negative regulation of immune response T cell receptor signaling pathway negative regulation of T-helper 17 cell differentiation biological_process response to virus
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