Revision 14
Cell Signaling Technology

Orders: 877-616-CELL (2355) [email protected]

Support: 877-678-TECH (8324)

Web: [email protected] cellsignal.com

3 Trask LaneDanversMassachusetts01923USA
For Research Use Only. Not for Use in Diagnostic Procedures.
Applications:

WB, W-S, IP, IHC-P, IF-IC, FC-FP, ChIP, ChIP-seq

REACTIVITY:

H M

SENSITIVITY:

Endogenous

MW (kDa):

84, 91

Source/Isotype:

Rabbit IgG

UniProt ID:

#P42224

Entrez-Gene Id:

6772

Product Information

Product Usage Information

For optimal ChIP and ChIP-seq results, use 5 μl of antibody and 10 μg of chromatin (approximately 4 x 106 cells) per IP. This antibody has been validated using SimpleChIP® Enzymatic Chromatin IP Kits.

Application Dilution
Western Blotting 1:1000
Simple Western™ 1:10 - 1:50
Immunoprecipitation 1:100
Immunohistochemistry (Paraffin) 1:400 - 1:1600
Immunofluorescence (Immunocytochemistry) 1:200 - 1:800
Flow Cytometry (Fixed/Permeabilized) 1:100 - 1:400
Chromatin IP 1:100
Chromatin IP-seq 1:100

Storage

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.

For a carrier-free (BSA and azide free) version of this product see product #88845.

Specificity / Sensitivity

Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb detects endogenous levels of Stat1 only when phosphorylated at tyrosine 701. The antibody detects phosphorylated tyrosine 701 of p91 Stat1 and also the p84 splice variant. It does not cross-react with the corresponding phospho-tyrosines of other Stat proteins.

Species Reactivity:

Human, Mouse

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Tyr701 of human Stat1.

Background

The Stat1 transcription factor is activated in response to a large number of ligands (1) and is essential for responsiveness to IFN-α and IFN-γ (2,3). Phosphorylation of Stat1 at Tyr701 induces Stat1 dimerization, nuclear translocation, and DNA binding (4). Stat1 protein exists as a pair of isoforms, Stat1α (91 kDa) and the splice variant Stat1β (84 kDa). In most cells, both isoforms are activated by IFN-α, but only Stat1α is activated by IFN-γ. The inappropriate activation of Stat1 occurs in many tumors (5). In addition to tyrosine phosphorylation, Stat1 is also phosphorylated at Ser727 through a p38 mitogen-activated protein kinase (MAPK)-dependent pathway in response to IFN-α and other cellular stresses (6). Serine phosphorylation may be required for the maximal induction of Stat1-mediated gene activation.

  1. Heim, M.H. (1999) J Recept Signal Transduct Res 19, 75-120.
  2. Durbin, J.E. et al. (1996) Cell 84, 443-50.
  3. Meraz, M.A. et al. (1996) Cell 84, 431-42.
  4. Ihle, J.N. et al. (1994) Trends Biochem Sci 19, 222-7.
  5. Frank, D.A. (1999) Mol Med 5, 432-56.
  6. Wen, Z. et al. (1995) Cell 82, 241-50.

Species Reactivity

Species reactivity is determined by testing in at least one approved application (e.g., western blot).

Western Blot Buffer

IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.

Applications Key

WB: Western Blotting W-S: Simple Western™ IP: Immunoprecipitation IHC-P: Immunohistochemistry (Paraffin) IF-IC: Immunofluorescence (Immunocytochemistry) FC-FP: Flow Cytometry (Fixed/Permeabilized) ChIP: Chromatin IP ChIP-seq: Chromatin IP-seq

Cross-Reactivity Key

H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected

Trademarks and Patents

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
All other trademarks are the property of their respective owners. Visit cellsignal.com/trademarks for more information.

使用に関する制限

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Revision 14
#9167

Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb

Western Blotting Image 1: Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb Expand Image
Western blot analysis of extracts from HeLa cells, untreated or treated with IFNa (#36000, 100 ng/mL, 5 min) or IFNg (#80385, 100 ng/mL, 30 min); using Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb #9167 (upper), Stat1 (D1K9Y) Rabbit mAb #14994 (middle), and β-Actin (D6A8) Rabbit mAb #8457 (lower).
Western Blotting Image 2: Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb Expand Image
Western blot analysis of extracts from various cell lines, untreated or treated with EGF (100 ng/mL, 30 min), IFNa (100 ng/mL, 5 min), or PDGF (100 ng/mL, 5 min); using Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb #9167 (upper), and β-Actin (D6A8) Rabbit mAb #8457 (lower).
Western Blotting Image 3: Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb Expand Image
Western blot analysis of extracts from HeLa cells untreated or treated with interferon-α (IFN-α), using Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb (upper) or Stat1 Antibody (#9172) (lower).
Western Blotting Image 1: Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb Expand Image
Simple Western™ analysis of lysates (0.1 mg/mL) from serum-starved HeLa cells treated with IFN-alpha (100 ng/mL, 5 min) using Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb #9167. The virtual lane view (left) shows a single target band (as indicated) at 1:10 and 1:50 dilutions of primary antibody. The corresponding electropherogram view (right) plots chemiluminescence by molecular weight along the capillary at 1:10 (blue line) and 1:50 (green line) dilutions of primary antibody. This experiment was performed under reducing conditions on the Jess™ Simple Western instrument from ProteinSimple, a BioTechne brand, using the 12-230 kDa separation module.
Immunoprecipitation Image 1: Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb Expand Image
Immunoprecipitation of Phospho-Stat1 (Tyr701) from HeLa cell extracts, treated with treated with IFNa (#36000, 100 ng/mL, 5 min). Lane 1 is 10% input, lane 2 is precipitated with Rabbit (DA1E) mAb IgG XP® Isotype Control #3900, and lane 3 is Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb, #9167.
Immunohistochemistry Image 1: Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded Non-Hodgkin lymphoma control (left) or λ phosphatase treated (right), using Phospho-Stat1 (tyr701) (58D6) Rabbit mAb.
Immunohistochemistry Image 2: Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded Non-Hodgkin lymphoma using Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb #9167 in the presence of control peptide (left) or Phospho-Stat1 (Tyr701) Blocking Peptide (right).
Immunohistochemistry Image 3: Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb Expand Image
Immunohistochemical analysis of paraffin-embedded stomach (chronic gastritis), using Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb.
Immunohistochemistry Image 4: Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb Expand Image
Immunohistochemical analysis using Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb on SignalSlide® HeLa -/+ IFNa IHC Controls #55861 (paraffin-embedded HeLa cell pellets, untreated (left) or treated with Human Interferon-α1 (hIFN-α1) #8927 (right)).
Immunofluorescence Image 1: Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb Expand Image
Confocal immunofluorescent analysis of HeLa cells, untreated (left) or IFNα-treated #9906 (right), using Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb (green). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye).
Flow Cytometry Image 1: Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb Expand Image
Flow cytometric analysis of U266B1 cells, untreated (blue) or treated with hIFN-β (100 ng/ml, 5 mins; green) using Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb (solid lines) or concentration-matched Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (dashed lines). Anti-rabbit IgG (H+L), F(ab')2 Fragment (Alexa Fluor® 488 Conjugate) #4412.
Flow Cytometry Image 2: Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb Expand Image
Flow cytometric analysis of Jurkat cells, untreated (blue) or treated with IFN-α (100ng/ml, 5 mins; green) using Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb (solid lines) or concentration-matched Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (dashed lines). Anti-rabbit IgG (H+L), F(ab')2 Fragment (Alexa Fluor® 488 Conjugate) #4412.
Chromatin Immunoprecipitation Image 1: Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb Expand Image
Chromatin immunoprecipitations were performed with cross-linked chromatin from HT-1080 cells treated with IFN-γ (50 ng/ml) for 30 minutes and Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb, using SimpleChIP® Plus Enzymatic Chromatin IP Kit (Magnetic Beads) #9005. DNA Libraries were prepared using DNA Library Prep Kit for Illumina® (ChIP-seq, CUT&RUN) #56795. The figure shows binding across IRF-1, a known target gene of Phospho-Stat1 (see additional figure containing ChIP-qPCR data).
Chromatin Immunoprecipitation Image 2: Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb Expand Image
Chromatin immunoprecipitations were performed with cross-linked chromatin from HT-1080 cells treated with IFN-γ (50 ng/ml) for 30 minutes and Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb, using SimpleChIP® Plus Enzymatic Chromatin IP Kit (Magnetic Beads) #9005. DNA Libraries were prepared using DNA Library Prep Kit for Illumina® (ChIP-seq, CUT&RUN) #56795. The figure shows binding across chromosome 5 (upper), including IRF-1 (lower), a known target gene of Phospho-Stat1 (see additional figure containing ChIP-qPCR data).
Chromatin Immunoprecipitation Image 3: Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb Expand Image
Chromatin immunoprecipitations were performed with cross-linked chromatin from HT-1080 cells treated with IFN-γ (50 ng/ml) for 30 minutes and either Phospho-Stat1 (Tyr701) (58D6) Rabbit mAb or Normal Rabbit IgG #2729 using SimpleChIP® Plus Enzymatic Chromatin IP Kit (Magnetic Beads) #9005. The enriched DNA was quantified by real-time PCR using human IRF-1 promoter primers, SimpleChIP® Human TAP1 Promoter Primers #5148, and SimpleChIP® Human α Satellite Repeat Primers #4486. The amount of immunoprecipitated DNA in each sample is represented as signal relative to the total amount of input chromatin, which is equivalent to one.