Human/Mouse/Rat p62/SQSTM1 Antibody Summary
Accession # Q13501
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.
Detection of Human and Mouse p62/SQSTM1 by Western Blot. Western blot shows lysates of A172 human glioblastoma cell line and RAW 264.7 mouse monocyte/macrophage cell line untreated (-) or treated (+) with 10 μg/mL LPS for 4 hours. PVDF membrane was probed with 1 µg/mL of Mouse Anti-Human/Mouse/Rat p62/SQSTM1 Monoclonal Antibody (Catalog # MAB8028R) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for p62/SQSTM1 at approximately 62 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
p62/SQSTM1 in HeLa Human Cell Line. p62/SQSTM1 was detected in immersion fixed HeLa human cervical epithelial carcinoma cell line treated with staurosporine using Mouse Anti-Human/Mouse/Rat p62/SQSTM1 Monoclonal Antibody (Catalog # MAB8028R) at 3 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
Western Blot Shows Human p62/SQSTM1 Specificity Using Knockout Cell Line. Western blot shows lysates of HeLa human cervical epithelial carcinoma parental cell line and p62/SQSTM1 knockout HeLa cell line (KO). PVDF membrane was probed with 1 µg/mL of Mouse Anti-Human/Mouse/Rat p62/SQSTM1 Monoclonal Antibody (Catalog # MAB8028) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for p62/SQSTM1 at approximately 62 kDa (as indicated) in the parental HeLa cell line, but is not detectable in the knockout HeLa cell line. GAPDH (Catalog # MAB5718) is shown as a loading control. This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
- 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.
SQSTM1 (Sequestrome-1), also called p62, is a widely expressed, stress-inducible, multifunctional 62 kDa intracellular protein. The 440 amino acid (aa) human SQSTM1 contains multiple adaptor domains that allow interaction with proteins in NGF/NFkB and other signaling pathways (notably TRAF6, atypical protein kinase C family and Src family), polyubiquitin, proteasome subunits and many others. It contains numerous regulatory phosphorylation sites and a dimerization site. SQSTM1 shuttles ubiquitinylated proteins to the proteasome and is important in autophagy and apoptosis. Its dysregulation is associated with Paget’s disease of bone, Parkinson’s and Alzheimer’s diseases, and cancers. Within aa 344-440, which includes the ubiquitin-binding domain, human SQSTM1 shares 100% aa sequence identity with mouse and rat SQSTM1.
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