Date published: 2025-12-13

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CD79A Antibody (JCB117): sc-53209

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  • CD79A Antibody (JCB117) is a mouse monoclonal IgG1 κ, cited in 1 publications, provided at 200 µg/ml
  • raised against amino acids 202-216 of CD79A of human origin
  • recommended for detection of CD79A of mouse, rat and human origin by WB, IP, IF and IHC(P); also reactive with additional species, including porcine
  • See CD79A (HM47): sc-20064 for CD79A antibody conjugates, including AC, HRP, FITC, PE, Alexa Fluor® 488, 594, 647, 680 and 790.
  • m-IgG Fc BP-HRP, m-IgG1 BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for CD79A Antibody (JCB117) for WB and IHC(P) applications. These reagents are now offered in bundles with CD79A Antibody (JCB117) (see ordering information below).

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CD79A Antibody (JCB117) is a mouse monoclonal IgG1 antibody that detects CD79A in mouse, rat, and human samples through applications such as western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and immunohistochemistry. CD79A, also known as MB-1, is a critical component of the B cell antigen receptor complex, functioning alongside CD79B to facilitate signaling necessary for B cell activation and development. CD79A monoclonal antibody (JCB117) recognizes a protein essential for immune response, helping initiate signaling cascades upon antigen binding, which drives B cell proliferation and differentiation. The cytoplasmic tail of CD79A contains an immuno-receptor tyrosine-based activation motif (ITAM) that is crucial for recruiting and activating tyrosine kinases, thereby propagating the signal that leads to B cell activation. This signaling enables B cells to produce antibodies and mount an effective defense against pathogens. Anti-CD79A antibody (JCB117) serves as an invaluable tool for researchers studying B cell biology and mechanisms underlying immune responses.

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

CD79A Antibody (JCB117) References:

  1. Mutations in Igalpha (CD79a) result in a complete block in B-cell development.  |  Minegishi, Y., et al. 1999. J Clin Invest. 104: 1115-21. PMID: 10525050
  2. Aberrant expression of CD7, CD56, and CD79a antigens in acute myeloid leukemias.  |  Cruse, JM., et al. 2005. Exp Mol Pathol. 79: 39-41. PMID: 16005710
  3. Frequent downregulation or loss of CD79a expression in plasma cell myelomas: potential clue for diagnosis.  |  Tanaka, T., et al. 2009. Pathol Int. 59: 804-8. PMID: 19883431
  4. Mutations of CD79A, CD79B and EZH2 genes in immunodeficiency-related non-Hodgkin lymphomas.  |  Capello, D., et al. 2011. Br J Haematol. 152: 777-80. PMID: 21275949
  5. Overexpression of immunoglobulin (CD79a) binding protein1 (IGBP-1) in small lung adenocarcinomas and its clinicopathological significance.  |  Sakashita, S., et al. 2011. Pathol Int. 61: 130-7. PMID: 21355954
  6. Synovial infiltration with CD79a-positive B cells, but not other B cell lineage markers, correlates with joint destruction in rheumatoid arthritis.  |  Mo, YQ., et al. 2011. J Rheumatol. 38: 2301-8. PMID: 22002013
  7. Monophosphorylation of CD79a and CD79b ITAM motifs initiates a SHIP-1 phosphatase-mediated inhibitory signaling cascade required for B cell anergy.  |  O'Neill, SK., et al. 2011. Immunity. 35: 746-56. PMID: 22078222
  8. Expression of the B-cell receptor component CD79a on immature myeloid cells contributes to their tumor promoting effects.  |  Luger, D., et al. 2013. PLoS One. 8: e76115. PMID: 24146823
  9. Immunophenotypic challenges in diagnosis of CD79a negativity in a patient with B acute lymphoblastic leukemia harboring intrachromosomal amplification of chromosome 21: a case report.  |  Berhili, A., et al. 2021. J Med Case Rep. 15: 531. PMID: 34706776
  10. Differential expression of B29 (CD79b) and mb-1 (CD79a) proteins in acute lymphoblastic leukaemia.  |  Astsaturov, IA., et al. 1996. Leukemia. 10: 769-73. PMID: 8656670

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CD79A Antibody (JCB117)

sc-53209
200 µg/ml
$316.00

CD79A Antibody (JCB117): m-IgG Fc BP-HRP Bundle

sc-536908
200 µg Ab; 10 µg BP
$354.00

CD79A Antibody (JCB117): m-IgGκ BP-HRP Bundle

sc-534081
200 µg Ab; 40 µg BP
$354.00

CD79A Antibody (JCB117): m-IgG1 BP-HRP Bundle

sc-544892
200 µg Ab; 20 µg BP
$354.00

Hi, Could you check whether CD79A Antibody (JCB117): sc-53209 has been raised against amino acids 202-216 of CD79A of human origin? There is literature which says that the epitope is upstream of this region.

Asked by: Steph33
Thank you for your question. This mouse monoclonal antibody was raised against amino acids 202-216 of CD79A of human origin, accession#P11912.
Answered by: Tech Service
Date published: 2021-01-06

Can CD79A (JCB117): sc-53209 monoclonal antibody be used to stain formalin-fixed, paraffin-embedded (FFPE) tissue sections?

Asked by: TinTin
Thank you for your question. Yes, CD79A (JCB117): sc-53209 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: 2017-02-27
  • y_2025, m_12, d_11, h_3CST
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Rated 5 out of 5 by from Robust signal in WB in DaudiRobust signal in WB in Daudi, GA-10 and Ramos whole cell lysates. -SCBT QC
Date published: 2015-05-18
Rated 5 out of 5 by from Great immunoperoxidase membrane and cytoplasmicGreat immunoperoxidase membrane and cytoplasmic staining in formalin fixed, paraffin-embedded human appendix tissue. -SCBT QC
Date published: 2015-03-24
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CD79A Antibody (JCB117) is rated 5.0 out of 5 by 2.
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