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Monoclonal Mouse anti Human CD9


accession:  P21926
   Size A       $
   Size B      500ug  $400
   Size C      1mg  $ 600
Clone  :  RKCD9
Isotype  :  IgG1
Catalog no. :  RMA21926
  • Western blot: This monoclonal antibody has been tested in WB analysis of human CD9 . A suitable range of concentrations of this antibody for WB detection is 0.5-2 µg/ml.
This antibody was produced from a hybridoma resulting from the fusion of a mouse myeloma with B cells obtained from a mouse immunized with human platelets.
Species reactivity:

The IgG fraction of the tissue culture supernatant was purified by Protein A affinity chromatography.

Lyophilized from sterile filtered PBS solution at a concentration of 1mg/ml .
A quick spin of the vial followed by reconstitution in distilled water to a concentration not less than 0.1 mg/mL. This solution can then be diluted into other buffers.
The lyophilized antibody is stable for at least 1 year  from date of receipt at -20° C.
Upon reconstitution, this antibody can be stored in working aliquots at 2° - 8° C , or at -20° C for six months without detectable loss of activity.

Avoid repeated freeze/thaw cycles.


This antibody product is for research purposes only.It may not be used for therapeutics or diagnostic purposes.



CD9, also referred to as MRP-1 , is a 25- to 27-kDa cell membrane glycoprotein and a member of tetraspanins.Tetraspanins have been identified as a superfamily of transmembrane proteins containing over 32 members expressed in many cell types. Members of this protein family associate with each other, with adhesion molecules, and other membrane proteins to form multimolecular complexes.In cancer, decreased expression of CD9 protein has been implicated in progression of breast, nonsmall cell lung, and colon cancers. Moreover, decreased CD9 expression correlated with poor prognosis in several human malignancies, such as colon, lung, breast, and ovarian carcinomas.

Related Publications:
CD9 regulates transcription factor gcm1 and ervwe1 expression through the camp/protein kinase a signaling pathway
Reproduction, Dec 2009; 138: 945 - 951.
the critical function of c-myb and CD9 on megakaryopoiesis.
Blood (ASH Annual Meeting Abstracts), Nov 2009; 114: 4587.
tetraspanin CD9 negatively regulates lipopolysaccharide-induced macrophage activation and lung inflammation
J. Immunol., May 2009; 182: 6485 - 6493.
regulation of CD9 expression by runx1 in acute myeloid leukemia.
Blood (ASH Annual Meeting Abstracts), Nov 2008; 112: 3367.
functional analysis of CD9 during megakaryopoiesis
Blood (ASH Annual Meeting Abstracts), Nov 2008; 112: 891.

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Purified Polyclonal
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