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OR

Human/Mouse STAT5b Antibody

1 citations
  • Specificity
    Detects human and mouse STAT5b.
  • Source
    Polyclonal Rabbit IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    Human STAT5b synthetic peptide
    aa 777-787
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    0.2 µg/mL
    See below
  • Simple Western
    10 µg/mL
    See below
  • Immunoprecipitation
    10 µg/106 cells
    See below
  • Immunocytochemistry
    5-15 µg/mL
    See below
  • Intracellular Staining by Flow Cytometry
    2.5 µg/106 cells
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Detection of Human, Mouse, and Rat STAT5b by Western Blot.

Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line, Daudi human Burkitt's lymphoma cell line, NIH-3T3 mouse embryonic fibroblast cell line, M1 mouse myeloid leukemia cell line, and PC-12 rat adrenal pheochromocytoma cell line. PVDF membrane was probed with 0.2 µg/mL of Rabbit Anti-Human/Mouse STAT5b Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1584) followed by HRP-conjugated Anti-Rabbit IgG Secondary Antibody (Catalog # HAF008). A specific band was detected for STAT5b at approximately 90 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Detection of Human and Mouse STAT5b by Simple WesternTM.

Simple Western lane view shows lysates of HeLa human cervical epithelial carcinoma cell line and NIH-3T3 mouse embryonic fibroblast cell line, loaded at 0.2 mg/mL. A specific band was detected for STAT5b at approximately 92 kDa (as indicated) using 10 µg/mL of Rabbit Anti-Human/Mouse STAT5b Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1584). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.

Non-specific interaction with the 230 kDa Simple Western standard may be seen with this antibody.
Immunoprecipitation
Immunoprecipitation of Human and Mouse STAT5b.

HeLa human cervical epithelial carcinoma and M1 mouse myeloid leukemia cell line were untreated (-) or activated (+) with 100 ng/mL Recombinant Human IFN-? (Catalog # 285-IF) for 15 minutes. STAT5b was immunoprecipitated from lysates of 5 x 106 cells following incubation with 2 µg Rabbit Anti-Human/Mouse STAT5b Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1584) for 1 hour at room temperature. STAT5b-antibody complexes were absorbed using Protein A sepharose (Invitrogen, Catalog # 10-1041). Immunoprecipitated STAT5b was detected by Western blot using 1 µg/mL Human Phospho-STAT5a/b (Y699) Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4190). View our recommended buffer recipes for immunoprecipitation.

Intracellular Staining by Flow Cytometry
Detection of STAT5b in Jurkat Human Cell Line by Flow Cytometry.

Jurkat human acute T cell leukemia cell line was stained with Rabbit Anti-Human/Mouse STAT5b Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1584, filled histogram) or control antibody (Catalog # AB-105-C, open histogram), followed by Allophycocyanin-conjugated Anti-Rabbit IgG Secondary Antibody (Catalog # F0111). To facilitate intracellular staining, cells were fixed with paraformaldehyde and permeabilized with methanol.

Immunocytochemistry
STAT5b in HepG2 Human Cell Line. STAT5b was detected in immersion fixed HepG2 human hepatocellular carcinoma cell line using Rabbit Anti-Human/Mouse STAT5b Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1584) at 5 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Rabbit IgG Secondary Antibody (red; Catalog # NL004) and counterstained with DAPI(blue). Specific staining was localized to cytoplasm and nucleus. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Signal Transducer and Activator of Transcription 5b

Signal transduction and activator of transcription 5 (STAT5) is a member of the Jak/STAT signal transduction pathway and is activated by a variety of cytokines (IL22, IL6, IFN-α). STAT5 has two isoforms (A and B) that share 93% amino acid identity and bind the DNA consensus site TTCN3GAA. STAT5 mediates cytokine signaling by acting as a signal transducer in the cytoplasm and, upon phosphorylation, translocates to the nucleus and activates transcription of specific genes. STAT5 is involved in a wide array of biological processes ranging from regulating apoptosis to adult mammary gland proliferation, differentiation and survival.

  • Long Name:
    Signal Transducer and Activator of Transcription 5b
  • Entrez Gene IDs:
    6777 (Human); 20851 (Mouse);
  • Alternate Names:
    signal transducer and activator of transcription 5B; STAT5; transcription factor STAT5B
Related Research Areas
Citations:

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

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Species
Applications
  1. Rac1 and a GTPase-activating protein, MgcRacGAP, are required for nuclear translocation of STAT transcription factors.
    Authors: Bao YC, Nomura Y, Moon Y, Tonozuka Y, Minoshima Y, Hatori T, Tsuchiya A, Kiyono M, Nosaka T, Nakajima H
    J. Cell Biol., 2006;175(6):937-46.
    Species: Human
    Application: ICC,

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  • Catalog #
    AF1584

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