Date published: 2026-3-17

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CIRP Antibody (1C9): sc-293325

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Datasheets
  • CIRP Antibody (1C9) is a mouse monoclonal IgG2a κ CIRP antibody provided at 100 µg/ml
  • raised against amino acids 1-90 of CIRP of human origin
  • recommended for detection of CIRP of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA
  • m-IgG Fc BP-HRP, m-IgG2a BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for CIRP Antibody (1C9) for WB and IHC(P) applications. These reagents are now offered in bundles with CIRP Antibody (1C9) (see ordering information below).
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    CIRP Antibody (1C9) is a mouse monoclonal IgG2a kappa light chain antibody that detects CIRP protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and enzyme-linked immunosorbent assay (ELISA). Anti-CIRP antibody (1C9) is available as the non-conjugated format. CIRP, also known as cold inducible RNA binding protein or A18HNRNP, is a 172 amino acid protein that plays a crucial role in cellular stress responses, particularly in the nucleus where CIRP contains one RNA recognition motif domain. CIRP is expressed ubiquitously and is essential for the suppression of cellular proliferation in response to environmental stressors such as UV irradiation and extreme cold, highlighting CIRP′s importance in maintaining cellular homeostasis. Human CIRP shares 95% sequence identity with mouse CIRP, indicating a conserved function across species, which is particularly relevant in the context of diseases such as endometrial carcinoma. CIRP is encoded on human chromosome 19, a region that also harbors several immunoglobulin superfamily members, including killer cell and leukocyte Ig-like receptors, various intercellular adhesion molecules, and Fc receptors, underscoring CIRP′s potential involvement in immune regulation and cellular signaling pathways.

    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

    CIRP Antibody (1C9) References:

    1. Cold shock response in mammalian cells.  |  Fujita, J. 1999. J Mol Microbiol Biotechnol. 1: 243-55. PMID: 10943555
    2. Expression of cold-inducible RNA-binding protein in the normal endometrium, endometrial hyperplasia, and endometrial carcinoma.  |  Hamid, AA., et al. 2003. Int J Gynecol Pathol. 22: 240-7. PMID: 12819390
    3. Oxygen-regulated expression of the RNA-binding proteins RBM3 and CIRP by a HIF-1-independent mechanism.  |  Wellmann, S., et al. 2004. J Cell Sci. 117: 1785-94. PMID: 15075239
    4. The cold-inducible RNA-binding protein migrates from the nucleus to cytoplasmic stress granules by a methylation-dependent mechanism and acts as a translational repressor.  |  De Leeuw, F., et al. 2007. Exp Cell Res. 313: 4130-44. PMID: 17967451
    5. A glycine-rich RNA-binding protein mediating cold-inducible suppression of mammalian cell growth.  |  Nishiyama, H., et al. 1997. J Cell Biol. 137: 899-908. PMID: 9151692
    6. Identification of several human homologs of hamster DNA damage-inducible transcripts. Cloning and characterization of a novel UV-inducible cDNA that codes for a putative RNA-binding protein.  |  Sheikh, MS., et al. 1997. J Biol Chem. 272: 26720-6. PMID: 9334257
    7. Decreased expression of cold-inducible RNA-binding protein (CIRP) in male germ cells at elevated temperature.  |  Nishiyama, H., et al. 1998. Am J Pathol. 152: 289-96. PMID: 9422546
    8. Cloning and characterization of human CIRP (cold-inducible RNA-binding protein) cDNA and chromosomal assignment of the gene.  |  Nishiyama, H., et al. 1997. Gene. 204: 115-20. PMID: 9434172

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    CIRP Antibody (1C9)

    sc-293325
    100 µg/ml
    $322.00

    CIRP Antibody (1C9): m-IgG Fc BP-HRP Bundle

    sc-537739
    100 µg Ab; 10 µg BP
    $361.00

    CIRP Antibody (1C9): m-IgGκ BP-HRP Bundle

    sc-535105
    100 µg Ab; 40 µg BP
    $361.00

    CIRP Antibody (1C9): m-IgG2a BP-HRP Bundle

    sc-548103
    100 µg Ab; 10 µg BP
    $361.00

    Prezados, O CIRP Anticorpo (1C9): sc-293325 funciona para hamster sirio?

    Asked by: Dr Marcelo Alves
    Este anticorpo deve funcionar para hamster, pois a identidade de homologia é de 98%.
    Answered by: Technical Service
    Date published: 2024-04-15

    Gostaria de testar em cortes parafinados de pulmão de hamster o sc-293325: CIRP (1C9) monoclonal antibody, vc sabem se existe reatividade cruzada? Vcs poderiam fornecer uma amostra para teste?

    Asked by: marcelop
    Você precisará entrar em contato com seu distribuidor local para saber como receber uma amostra grátis. https://www.scbt.com/resources/distributors
    Answered by: Technical Service
    Date published: 2024-04-12

    请问如何获取CIRP抗体小样?有联系方式吗

    Asked by: BU LUPING
    Please contact our Technical Service Department for more information on how to receive a free 10 ug sample of this monoclonal antibody.
    Answered by: Tech Service
    Date published: 2019-02-25

    Can sc-293325: CIRP (1C9) monoclonal antibody be used to stain formalin-fixed, paraffin-embedded (FFPE) tissue sections?

    Asked by: jerojero
    Thank you for your question. Yes, sc-293325: CIRP (1C9) is recommended 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: 2017-03-24
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    Rated 5 out of 5 by from Good for Western BlotAntibody detects human recombinant CIRP and CIRP transfected cell lysate by Western blot. -SCBT QC
    Date published: 2023-09-14
    Rated 1 out of 5 by from Did not work in WB and questionable in IFWe tested this antibody at 1/300 in WB and did not work. The IF at 1/100 is similar as the image but it does not look like as other anti-CIRBP antibodies locations that we have tried.
    Date published: 2019-08-13
    Rated 4 out of 5 by from It works on animal and human samples.We have tried this antibody on Western blots only. Works well on animal tissues, cultured cells, and cultured cells of human origin.
    Date published: 2018-02-06
    Rated 5 out of 5 by from 效果不错!客户使用反映挺不错的,之前客户买的其他品牌(在此就不方便说了啊)效果不是很好,售后也跟不上,头疼死了,这个挺好
    Date published: 2018-01-23
    Rated 5 out of 5 by from very good effectWe just started using this antibody for several times, because the previous one was no longer available. In the test, we found that the effect is not as obvious as before, after increasing the dilution ratio, the effect becomes very good.
    Date published: 2017-02-16
    Rated 1 out of 5 by from Did not workWe received this antibody as a replacement for SRP40 which did not work. Unfortunately this antibody has not worked either. I got a blank blot.
    Date published: 2016-12-13
    Rated 5 out of 5 by from The result is very goodThis product is convenient to use,I use this antibody do IHC,Dilution ratio of 1:500 The result is very good
    Date published: 2016-11-01
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    CIRP Antibody (1C9) is rated 3.7 out of 5 by 7.
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