Key features and details
- Rabbit polyclonal to STAT1
- Suitable for: IHC-P, WB
- Reacts with: Mouse, Rat, Human
- Isotype: IgG
Product nameAnti-STAT1 antibody
See all STAT1 primary antibodies
DescriptionRabbit polyclonal to STAT1
Specificityab230428 recognizes endogenous levels of STAT1 protein.
Tested applicationsSuitable for: IHC-P, WBmore details
Species reactivityReacts with: Mouse, Rat, Human
Predicted to work with: Chicken, Cow, Dog, Pig, Monkey
Synthetic peptide corresponding to Human STAT1 (C terminal). Immunogen is a sequence within the C-terminal region of human STAT1.
Database link: P42224
- WB: HeLa, NIH/3T3 and PC-12 whole cell lysates. IHC-P: Human tonsil tissue.
Storage instructionsShipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C long term. Avoid freeze / thaw cycle.
Storage bufferpH: 7.30
Preservative: 0.01% Sodium azide
Constituents: PBS, 30% Glycerol
Concentration information loading...
PurityImmunogen affinity purified
Our Abpromise guarantee covers the use of ab230428 in the following tested applications.
|WB||1/500 - 1/1000. Predicted molecular weight: 87 kDa.|
FunctionSignal 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.
Involvement in diseaseNote=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.
Sequence similaritiesBelongs to the transcription factor STAT family.
Contains 1 SH2 domain.
modificationsPhosphorylated 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.
Cellular localizationCytoplasm. Nucleus. Translocated into the nucleus in response to IFN-gamma-induced tyrosine phosphorylation and dimerization.
- Information by UniProt
- Signal transducer and activator of transcription 1 91kD antibody
- CANDF7 antibody
- DKFZp686B04100 antibody
All lanes : Anti-STAT1 antibody (ab230428) at 1/500 dilution
Lane 1 : HeLa (human epithelial cell line from cervix adenocarcinoma) whole cell lysate
Lane 2 : NIH/3T3 (mouse embryo fibroblast cell line) whole cell lysate
Lane 3 : PC-12 (rat adrenal gland pheochromocytoma cell line) whole cell lysate
Developed using the ECL technique.
Predicted band size: 87 kDa
Formalin-fixed, paraffin-embedded human tonsil tissue stained for STAT1 with ab230428 at 1/100 dilution in immunohistochemical analysis.
To our knowledge, customised protocols are not required for this product. Please try the standard protocols listed below and let us know how you get on.
ab230428 has not yet been referenced specifically in any publications.