Date published: 2026-3-28

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TEM8 Antibody (4H261): sc-73136

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Datasheets
  • TEM8 Antibody (4H261) is a mouse monoclonal IgG1 κ TEM8 antibody provided at 50 µg/0.5 ml
  • raised against amino acids 481-497 of TEM8 of human origin
  • recommended for detection of TEM8 of mouse, rat and human origin by WB, IP, IF and IHC(P)
  • m-IgG Fc BP-HRP and m-IgG1 BP-HRP are the preferred secondary detection reagents for TEM8 Antibody (4H261) for WB and IHC(P) applications. These reagents are now offered in bundles with TEM8 Antibody (4H261) (see ordering information below).
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    TEM8 Antibody (4H261) is a mouse monoclonal IgG1 kappa light chain antibody that detects TEM8 in mouse, rat, and human samples by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and immunohistochemistry. Anti-TEM8 antibody (4H261) is available as a non-conjugated monoclonal isotype antibody. TEM8, also known as tumor endothelial marker 8, plays a crucial role in tumor angiogenesis, which is the formation of new blood vessels that supply nutrients to tumors, facilitating growth and metastasis. TEM8 is predominantly expressed in tumor endothelial cells, distinguishing them from normal endothelial cells, and elevated expression during tumor angiogenesis makes TEM8 a potential target for cancer therapies. TEM8 structure includes putative transmembrane domains, essential for functioning as a receptor for the protective antigen component of anthrax toxin. This interaction enables delivery of lethal factors into host cell cytosol, highlighting TEM8 significance in both cancer biology and infectious disease contexts. TEM8 unique expression pattern in tumors versus normal tissues underscores potential as a biomarker for cancer diagnosis and treatment strategies.

    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

    TEM8 Antibody (4H261) References:

    1. Anthrax lethal factor cleaves MKK3 in macrophages and inhibits the LPS/IFNgamma-induced release of NO and TNFalpha.  |  Pellizzari, R., et al. 1999. FEBS Lett. 462: 199-204. PMID: 10580119
    2. Genes expressed in human tumor endothelium.  |  St Croix, B., et al. 2000. Science. 289: 1197-202. PMID: 10947988
    3. Cell surface tumor endothelial markers are conserved in mice and humans.  |  Carson-Walter, EB., et al. 2001. Cancer Res. 61: 6649-55. PMID: 11559528
    4. Identification of the cellular receptor for anthrax toxin.  |  Bradley, KA., et al. 2001. Nature. 414: 225-9. PMID: 11700562
    5. TEM8 expression stimulates endothelial cell adhesion and migration by regulating cell-matrix interactions on collagen.  |  Hotchkiss, KA., et al. 2005. Exp Cell Res. 305: 133-44. PMID: 15777794
    6. Antitumor activities of TEM8-Fc: an engineered antibody-like molecule targeting tumor endothelial marker 8.  |  Duan, HF., et al. 2007. J Natl Cancer Inst. 99: 1551-5. PMID: 17925540
    7. Effect of silencing TEM8 gene on proliferation, apoptosis, migration and invasion of XWLC‑05 lung cancer cells.  |  Gong, Q., et al. 2018. Mol Med Rep. 17: 911-917. PMID: 29115620
    8. Targeted silencing of TEM8 suppresses non‑small cell lung cancer tumor growth via the ERK/Bcl‑2 signaling pathway.  |  Gong, Q., et al. 2021. Mol Med Rep. 24: PMID: 34165155
    9. N-Myc promotes angiogenesis and therapeutic resistance of prostate cancer by TEM8.  |  Li, M., et al. 2021. Med Oncol. 38: 127. PMID: 34523032
    10. Effects of anthrax toxin components on human neutrophils.  |  O'Brien, J., et al. 1985. Infect Immun. 47: 306-10. PMID: 3917427
    11. Anthrax toxin edema factor: a bacterial adenylate cyclase that increases cyclic AMP concentrations of eukaryotic cells.  |  Leppla, SH. 1982. Proc Natl Acad Sci U S A. 79: 3162-6. PMID: 6285339
    12. Proteolytic inactivation of MAP-kinase-kinase by anthrax lethal factor.  |  Duesbery, NS., et al. 1998. Science. 280: 734-7. PMID: 9563949

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    TEM8 Antibody (4H261)

    sc-73136
    50 µg/0.5 ml
    $322.00

    TEM8 Antibody (4H261): m-IgG Fc BP-HRP Bundle

    sc-539458
    100 µg Ab; 10 µg BP
    $361.00

    TEM8 Antibody (4H261): m-IgG1 BP-HRP Bundle

    sc-541501
    100 µg Ab; 20 µg BP
    $361.00

    In brain tumor samples, why am I detecting a band around 48 kDa with overexpression and knockdown? One time I could detect the protein at around ~70kDa (which is closer to its SV1 isoform predicted mol wt), but then always at 43 kDa?

    Asked by: PKundu
    Thank you for your question. It would be helpful if you could call us directly at 800-457-3801 ext .1, allowing for a more interactive discussion of this and other related questions
    Answered by: Blake J
    Date published: 2021-09-27

    L'anticorps a-t-il déjà été utilisé en immunofluorescence?

    Asked by: Emilie
    Thank you for your question! This primary antibody, sc-73136 TEM8 (4H261) is recommended and warrantied for Immunohistochemistry, which inlcudes immunofluorescence detection in fresh or frozen tissues or cells, fixed in methanol or acetone. However we are still gathering data to show on our website. Check back for updates!
    Answered by: Tech Service
    Date published: 2019-06-11

    What is the recommended storage condition for TEM8 (4H261): sc-73136?

    Asked by: Professor Griffin
    Thank you for your question. We recommend storing the antibody at 4° C.
    Answered by: Technical Support
    Date published: 2017-03-27

    Can this TEM8 Antibody (4H261) be conjugated to a fluorophore for use in flow cytometry?

    Asked by: kschroeder
    • y_2026, m_3, d_26, h_7CST
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    Rated 5 out of 5 by from Good for Western BlotAntibody detects human TEM8 in Hela, Raji, and Jurkat cell lysates, and rat TEM8 in KRK cell lysates by Western blot -SCBT QC
    Date published: 2023-09-14
    Rated 5 out of 5 by from Positive results in western blot analysisPositive results in western blot analysis of TEM8 expression in HeLa and Raji whole cell lysates. -SCBT QC
    Date published: 2015-02-17
    Rated 5 out of 5 by from CrispCrisp, clean band in western blot analysis of TEM8 expression in Jurkat whole cell lysate. -SCBT QC
    Date published: 2013-05-20
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    TEM8 Antibody (4H261) is rated 5.0 out of 5 by 3.
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