Date published: 2026-4-5

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SPA-1 Antibody (C-1): sc-137043

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Datasheets
  • SPA-1 Antibody (C-1) is a mouse monoclonal IgG1 κ provided at 200 µg/ml
  • raised against amino acids 691-990 mapping near the C-terminus of SPA-1 of human origin
  • recommended for detection of SPA-1 of human origin by WB, IP, IF, IHC(P) and ELISA
  • m-IgG Fc BP-HRP and m-IgG1 BP-HRP are the preferred secondary detection reagents for SPA-1 Antibody (C-1) for WB and IHC(P) applications. These reagents are now offered in bundles with SPA-1 Antibody (C-1) (see ordering information below).
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    SPA-1 Antibody (C-1) is a mouse monoclonal IgG1 antibody that detects SPA-1 in human samples through various applications including western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and enzyme-linked immunosorbent assay (ELISA). SPA-1, or signal-induced proliferation-associated gene-1, serves as a crucial regulator of RAP1 GTPase activity, particularly in hematopoietic progenitors and peripheral T cells, where SPA-1 plays a significant role in modulating immune responses. SPA-1 is predominantly located in lymphohematopoietic tissues, both fetal and adult, which is vital for SPA-1′s function in immune cell signaling and proliferation. Notably, SPA-1 expression increases in response to various mitogenic stimuli, highlighting SPA-1′s importance in T cell activation and immune response. Deficiency in SPA-1 leads to age-dependent T cell immunodeficiency and a range of myeloproliferative disorders, resembling chronic myeloid leukemia in humans, underscoring SPA-1′s critical role in maintaining immune homeostasis. Additionally, SPA-1 interacts directly with aquaporin-2 (AQP2), influencing AQP2 trafficking to the apical membrane, which is essential for water regulation in kidney cells. Anti-SPA-1 antibody (C-1) serves as an invaluable tool for researchers studying immune function and related disorders.

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

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    SPA-1 Antibody (C-1)

    sc-137043
    200 µg/ml
    $322.00

    SPA-1 Antibody (C-1): m-IgG Fc BP-HRP Bundle

    sc-539922
    200 µg Ab; 10 µg BP
    $361.00

    SPA-1 Antibody (C-1): m-IgG1 BP-HRP Bundle

    sc-541789
    200 µg Ab; 20 µg BP
    $361.00

    Can SPA-1 (C-1): sc-137043 monoclonal antibody be used to stain formalin-fixed, paraffin-embedded (FFPE) tissue sections?

    Asked by: jenniferc
    Thank you for your question. Yes, SPA-1 (C-1): sc-137043 has been validated for use in IHC with paraffin-embedded sections. We recommend performing antigen retrieval with sodium citrate buffer (pH 6) and heat. The full protocol can be found here: https://www.scbt.com/scbt/resources/protocols/immunoperoxidase-staining
    Answered by: Technical Support
    Date published: 2017-03-01
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    Rated 5 out of 5 by from Produced beautiful immunoperoxidase membraneProduced beautiful immunoperoxidase membrane and cytoplasmic staining in formalin fixed, paraffin-embedded human rectum tissue. -SCBT QC
    Date published: 2015-05-02
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    SPA-1 Antibody (C-1) is rated 5.0 out of 5 by 2.
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