|Detection of Human Smad4 by Western Blot. Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line, Jurkat human acute T cell leukemia cell line, and K562 human chronic myelogenous leukemia cell line. PVDF membrane was probed with 0.25 µg/mL of Goat Anti-Human Smad4 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2097) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). A specific band was detected for Smad4 at approximately 60 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.|
Chromatin Immunoprecipitation (ChIP)
|Detection of Smad4-regulated Genes by Chromatin Immunoprecipitation. Jurkat human acute T cell leukemia cell line treated with 10 ng/mL Recombinant Human IL‑12 (Catalog # 219-IL) overnight was fixed using formaldehyde, resuspended in lysis buffer, and sonicated to shear chromatin. Smad4/DNA complexes were immunoprecipitated using 5 μg Goat Anti-Human Smad4 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2097) or control antibody (Catalog # AB‑108‑C) for 15 minutes in an ultrasonic bath, followed by Biotinylated Anti-Goat IgG Secondary Antibody (Catalog # BAF109). Immunocomplexes were captured using 50 μL of MagCellect Streptavidin Ferrofluid (Catalog # MAG999) and DNA was purified using chelating resin solution. The p21 promoter was detected by standard PCR.|
|Smad4 in Human PBMCs. Smad4 was detected in immersion fixed human peripheral blood mononuclear cells (PBMCs) using Goat Anti-Human Smad4 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2097) at 15 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Non-adherent Cells.|
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Western Blot: Human Smad4 Antibody [AF2097]
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