製品の概要

  • 製品名Anti-STAT1 antibody
    STAT1 一次抗体 製品一覧
  • 製品の詳細
    Rabbit polyclonal to STAT1
  • 特異性ab47425 detects endogenous levels of total STAT1 protein.
  • アプリケーション適用あり: ICC/IF, WB, ELISA, IHC-Pmore details
  • 種交差性
    交差種: Mouse, Human
    交差が予測される動物種: Rat
  • 免疫原

    Synthetic non-phosphopeptide derived from human STAT1 around the phosphorylation site of serine 727.

  • ポジティブ・コントロール
    • Human breast carcinoma tissue. Etoposide treated extracts from MCF7 cells.

製品の特性

関連製品

アプリケーション

Our Abpromise guarantee covers the use of ab47425 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

アプリケーション Abreviews 特記事項
ICC/IF Use a concentration of 1 - 5 µg/ml.
WB 1/500 - 1/1000. Predicted molecular weight: 87 kDa.
ELISA 1/10000.
IHC-P Use at an assay dependent concentration.

ターゲット情報

  • 機能Signal transducer and activator of transcription that mediates signaling by interferons (IFNs). Following type I IFN (IFN-alpha and IFN-beta) binding to cell surface receptors, Jak kinases (TYK2 and JAK1) are activated, leading to tyrosine phosphorylation of STAT1 and STAT2. The phosphorylated STATs dimerize, associate with ISGF3G/IRF-9 to form a complex termed ISGF3 transcription factor, that enters the nucleus. ISGF3 binds to the IFN stimulated response element (ISRE) to activate the transcription of interferon stimulated genes, which drive the cell in an antiviral state. In response to type II IFN (IFN-gamma), STAT1 is tyrosine- and serine-phosphorylated. It then forms a homodimer termed IFN-gamma-activated factor (GAF), migrates into the nucleus and binds to the IFN gamma activated sequence (GAS) to drive the expression of the target genes, inducing a cellular antiviral state.
  • 関連疾患Note=STAT1 deficiency results in impaired immune response leading to severe mycobacterial and viral diseases. In the case of complete deficiency, patients can die of viral disease.
    Defects in STAT1 are a cause of mendelian susceptibility to mycobacterial disease (MSMD) [MIM:209950]; also known as familial disseminated atypical mycobacterial infection. This rare condition confers predisposition to illness caused by moderately virulent mycobacterial species, such as Bacillus Calmette-Guerin (BCG) vaccine and environmental non-tuberculous mycobacteria, and by the more virulent Mycobacterium tuberculosis. Other microorganisms rarely cause severe clinical disease in individuals with susceptibility to mycobacterial infections, with the exception of Salmonella which infects less than 50% of these individuals. The pathogenic mechanism underlying MSMD is the impairment of interferon-gamma mediated immunity whose severity determines the clinical outcome. Some patients die of overwhelming mycobacterial disease with lepromatous-like lesions in early childhood, whereas others develop, later in life, disseminated but curable infections with tuberculoid granulomas. MSMD is a genetically heterogeneous disease with autosomal recessive, autosomal dominant or X-linked inheritance.
  • 配列類似性Belongs to the transcription factor STAT family.
    Contains 1 SH2 domain.
  • 翻訳後修飾Phosphorylated on tyrosine and serine residues in response to IFN-alpha, IFN-gamma, PDGF and EGF. Phosphorylation on Tyr-701 (lacking in beta form) by JAK promotes dimerization and subsequent translocation to the nucleus. Phosphorylation on Ser-727 by several kinases including MAPK14, ERK1/2 and CAMKII on IFN-gamma stimulation, regulates STAT1 transcriptional activity. Phosphorylation on Ser-727 promotes sumoylation though increasing interaction with PIAS. Phosphorylation on Ser-727 by PKCdelta induces apoptosis in response to DNA-damaging agents.
    Sumoylated by SUMO1, SUMO2 and SUMO3. Sumoylation is enhanced by IFN-gamma-induced phosphorylation on Ser-727, and by interaction with PIAS proteins. Enhances the transactivation activity.
    ISGylated.
  • 細胞内局在Cytoplasm. Nucleus. Translocated into the nucleus in response to IFN-gamma-induced tyrosine phosphorylation and dimerization.
  • Information by UniProt
  • 参照データベース
  • 別名
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Anti-STAT1 antibody 画像

  • All lanes : Anti-STAT1 antibody (ab47425) at 1/500 dilution

    Lane 1 : Etoposide treated extracts from MCF7 cells
    Lane 2 : Etoposide treated extracts from MCF7 cells. Sample preincubated with immunizing peptide.


    Predicted band size : 87 kDa
    Observed band size : 87 kDa
  • Immunohistochemical analysis of STAT1 expression in paraffin embedded Human breast carcinoma tissue using 1/50 ab47425. Left: untreated sample. Right: Sample incubated with immunizing peptide.
  • ICC/IF image of ab47425 stained HeLa cells. The cells were 4% PFA fixed (10 min) and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody (ab47425, 1µg/ml) overnight at +4°C. The secondary antibody (green) was Alexa Fluor® 488 goat anti-rabbit IgG (H+L) used at a 1/1000 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue) at a concentration of 1.43µM.

Anti-STAT1 antibody (ab47425) 使用論文

This product has been referenced in:
  • Rice AD  et al. Roles of vaccinia virus genes E3L and K3L and host genes PKR and RNase L during intratracheal infection of C57BL/6 mice. J Virol 85:550-67 (2011). IHC-P ; Mouse . Read more (PubMed: 20943971) »

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