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Long name
Rat Monoclonal Antibody against Mouse CD19, Clone: 1D3
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Antigen
CD19 (mouse)
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Species reactivity
Mouse (Mus musculus)
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Negative species reactivity
at the time of upload there has been no data, please, contact us to obtain most recent information on species reactivity and cross reactivity
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Clonality
Monoclonal Antibody (Mab)
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Clone
1D3
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Applications
FC, IP, IHC(F), FUNC
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Immunogen
Mouse CD19-transfected cell line_x000D_
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Format conjugation
PE
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Specificity
The rat monoclonal antibody 1D3 detects mouse CD19, 95 kDa type I transmembrane glycoprotein (immunoglobulin superfamily) expressed on B lymphocytes and follicular dendritic cells; it is lost on plasma cells._x000D_
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Research area
CD and Related Antigens & MHC (Rodent)
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Concentration
0.5 mg/ml
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Storage buffer
Phosphate buffered saline (PBS) with 15 mM sodium azide, approx. pH 7.4
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Shipping and storage
Rat Monoclonal Antibody against Mouse CD19, Clone: 1D3 is transported on blue ice/ice packs and should be stored at temperatures between 1 and 5 degrees Celsius. Do not freeze! Avoid exposing the product to direct light, especially the conjugated antibodies as most conjugates are very sentitive to light.
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Background
CD19 is a transmembrane glycoprotein of Ig superfamily expressed by B cells from the time of heavy chain rearrangement until plasma cell differentiation. It forms a tetrameric complex with CD21 (complement receptor type 2), CD81 (TAPA-1) and Leu13. Together with BCR (B cell antigen receptor), this complex signals to decrease B cell treshold for activation by the antigen. Besides being signal-amplifying coreceptor for BCR, CD19 can also signal independently of BCR coligation and it turns out to be a central regulatory component upon which multiple signaling pathways converge. Mutation of the CD19 gene results in hypogammaglobulinemia, whereas CD19 overexpression causes B cell hyperactivity._x000D_
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Purity
> 95% (by SDS-PAGE)
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Purification method
Purified by affinity chromatography
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References
*Shoham T, Rajapaksa R, Boucheix C, Rubinstein E, Poe JC, Tedder TF, Levy S: The tetraspanin CD81 regulates the expression of CD19 during B cell development in a postendoplasmic reticulum compartment. J Immunol. 2003 Oct 15;171(8):4062-72._x000D_ , *Inabe K, Kurosaki T: Tyrosine phosphorylation of B-cell adaptor for phosphoinositide 3-kinase is required for Akt activation in response to CD19 engagement. Blood. 2002 Jan 15;99(2):584-9._x000D_ , *Krop I, de Fougerolles AR, Hardy RR, Allison M, Schlissel MS, Fearon DT: Self-renewal of B-1 lymphocytes is dependent on CD19. Eur J Immunol. 1996 Jan;26(1):238-42._x000D_ , *Cherukuri A, Cheng PC, Pierce SK: The role of the CD19/CD21 complex in B cell processing and presentation of complement-tagged antigens. J Immunol. 2001 Jul 1;167(1):163-72._x000D_ , *Krop I, Shaffer AL, Fearon DT, Schlissel MS: The signaling activity of murine CD19 is regulated during cell development. J Immunol. 1996 Jul 1;157(1):48-56._x000D_
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Properties
If you buy Antibodies supplied by Exbio they should be stored frozen at - 24°C for long term storage and for short term at + 5°C.
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About
Monoclonals of this antigen are available in different clones. Each murine monoclonal anibody has his own affinity specific for the clone. Mouse monoclonal antibodies are purified protein A or G and can be conjugated to FITC for flow cytometry or FACS and can be of different isotypes.
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French translation
anticorps
