Date published: 2025-12-14

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Calpain 9 Antibody (E-6): sc-166750

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Datasheets
  • Calpain 9 Antibody (E-6) is a mouse monoclonal IgG2a κ provided at 200 µg/ml
  • raised against amino acids 481-690 mapping at the C-terminus of Calpain 9 of human origin
  • recommended for detection of Calpain 9 of human origin by WB, IP, IF and ELISA
  • m-IgG Fc BP-HRP and m-IgG2a BP-HRP are the preferred secondary detection reagents for Calpain 9 Antibody (E-6) for WB applications. These reagents are now offered in bundles with Calpain 9 Antibody (E-6) (see ordering information below).

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    Calpain 9 Antibody (E-6) is a mouse monoclonal IgG2a antibody that detects Calpain 9 in human samples through applications such as western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). Calpain 9 is a member of a family of 14 intracellular calcium-activated cysteine proteases, which play crucial roles in various cellular processes, including apoptosis, cell migration, and cytoskeletal remodeling. The importance of Calpain 9 is underscored by involvement in cardiovascular diseases, as Calpain 9 is significantly downregulated in the heart under high salt diet conditions, potentially contributing to hypertensive target organ damage. Additionally, Calpain 9 has been identified as a gastric cancer suppressor, as Calpain 9 expression is reduced in gastric cancer cell lines, indicating a protective role against tumorigenesis in the digestive tract. Notably, Calpain 9 exists in two isoforms due to alternative splicing, which differ in their amino acid sequences between residues 292 and 318, suggesting that these variations may influence functional properties and interactions with other proteins. Anti-Calpain 9 antibody (E-6) is an essential tool for researchers investigating the multifaceted roles of this protease in health and disease.

    For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

    Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

    LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

    Calpain 9 Antibody (E-6) References:

    1. The calpain family and human disease.  |  Huang, Y. and Wang, KK. 2001. Trends Mol Med. 7: 355-62. PMID: 11516996
    2. The crystal structures of human calpains 1 and 9 imply diverse mechanisms of action and auto-inhibition.  |  Davis, TL., et al. 2007. J Mol Biol. 366: 216-29. PMID: 17157313
    3. Stomach-specific calpain, nCL-2/calpain 8, is active without calpain regulatory subunit and oligomerizes through C2-like domains.  |  Hata, S., et al. 2007. J Biol Chem. 282: 27847-56. PMID: 17646163
    4. Distinguishing between calpain heterodimerization and homodimerization.  |  Ravulapalli, R., et al. 2009. FEBS J. 276: 973-82. PMID: 19215300
    5. Role of calpain-9 and PKC-delta in the apoptotic mechanism of lumen formation in CEACAM1 transfected breast epithelial cells.  |  Chen, CJ., et al. 2010. Exp Cell Res. 316: 638-48. PMID: 19909740
    6. Expression of the calpain system is associated with poor clinical outcome in gastro-oesophageal adenocarcinomas.  |  Storr, SJ., et al. 2013. J Gastroenterol. 48: 1213-21. PMID: 23329366
    7. Low calpain-9 is associated with adverse disease-specific survival following endocrine therapy in breast cancer.  |  Davis, J., et al. 2014. BMC Cancer. 14: 995. PMID: 25539577
    8. Decreased expression of Calpain-9 predicts unfavorable prognosis in patients with gastric cancer.  |  Peng, P., et al. 2016. Sci Rep. 6: 29604. PMID: 27404891
    9. Calpain 9 as a therapeutic target in TGFβ-induced mesenchymal transition and fibrosis.  |  Kim, DH., et al. 2019. Sci Transl Med. 11: PMID: 31316008
    10. MiR-585-3p suppresses tumor proliferation and migration by directly targeting CAPN9 in high grade serous ovarian cancer.  |  Lu, X., et al. 2021. J Ovarian Res. 14: 90. PMID: 34238324

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    Calpain 9 Antibody (E-6)

    sc-166750
    200 µg/ml
    $316.00

    Calpain 9 Antibody (E-6): m-IgG Fc BP-HRP Bundle

    sc-540152
    200 µg Ab; 10 µg BP
    $354.00

    Calpain 9 Antibody (E-6): m-IgG2a BP-HRP Bundle

    sc-546860
    200 µg Ab; 10 µg BP
    $354.00

    What is the recommended starting dilution for Western blot for sc-166750: Calpain 9 (E-6) monoclonal antibody?

    Asked by: Randy McDonald
    The recommended starting dilution for Western blot is 1:100 with a dilution range of 1:100-1:1000. This information, along with other technical specifications, is available in the recommended protocol: https://www.scbt.com/scbt/resources/protocols/western-immuno-blotting
    Answered by: Technical Support
    Date published: 2017-03-22
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    Rated 5 out of 5 by from Nice Western blot data of Calpain 9 expressionNice Western blot data of Calpain 9 expression in non-transfected and human Calpain 9 transfected 293T whole cell lysates. -SCBT QC
    Date published: 2014-12-16
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    Calpain 9 Antibody (E-6) is rated 5.0 out of 5 by 1.
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