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Long name
Mouse Monoclonal Antibody against Human CD22, Clone: S-HCL-1
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Antigen
CD22
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Species reactivity
Human (Homo sapiens)
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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
S-HCL-1
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Applications
FC
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Immunogen
Whole hairy cell leukemia cells and membrane preparation
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Format conjugation
PerCP-Cy 5.5
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Specificity
The mouse monoclonal antibody S-HCL-1 (also known as S-HCL1) recognizes CD22 (BL-CAM), a 130 kDa type I transmembrane glycoprotein (immunoglobulin superfamily) expressed in the cytoplasm of pro-B and pre-B lymphocytes, and on the surface of mature and activated B lymphocytes; it is lost on plasma cells, peripheral blood T lymphocytes, granulocytes and monocytes._x000D_ HLDA IV; WS Code B48
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Research area
CD and Related Antigens (Human)
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Storage buffer
The reagent is provided in stabilizing phosphate buffered saline (PBS) solution containing 15mM sodium azide.
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Shipping and storage
Mouse Monoclonal Antibody against Human CD22, Clone: S-HCL-1 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
CD22, also known as Siglec-2 (sialic acid-binding immunoglobulin-like lectin-2) is a transmembrane glycoprotein binding alpha2,6-linked sialic acid-bearing ligands. Intracellular domain of CD22 recruits protein tyrosine phosphatase SHP-1 through the immunoreceptor tyrosine-based inhibitory motifs (ITIMs), thus setting a treshold for B cell receptor-mediated activation. CD22 also regulates B-cell response by involvement in controlling the CD19/CD21-Src-family protein tyrosine kinase amplification pathway and CD40 signaling. CD22 exhibits hallmarks of clathrin-mediated endocytic pathway.
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Purity
> 95% (by SDS-PAGE)
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Purification method
Purified by affinity chromatography
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References
*James SE, Greenberg PD, Jensen MC, Lin Y, Wang J, Till BG, Raubitschek AA, Forman SJ, Press OW: Antigen sensitivity of CD22-specific chimeric TCR is modulated by target epitope distance from the cell membrane. J Immunol. 2008 May 15;180(10):7028-38., *Huang J, Fan G, Zhong Y, Gatter K, Braziel R, Gross G, Bakke A: Diagnostic usefulness of aberrant CD22 expression in differentiating neoplastic cells of B-Cell chronic lymphoproliferative disorders from admixed benign B cells in four-color multiparameter flow cytometry. Am J Clin Pathol. 2005 Jun;123(6):826-32., *Reineks EZ, Osei ES, Rosenberg A, Auletta J, Meyerson HJ: CD22 expression on blastic plasmacytoid dendritic cell neoplasms and reactivity of anti-CD22 antibodies to peripheral blood dendritic cells. Cytometry B Clin Cytom. 2009 Jul;76(4):237-48, *Foon KA, Todd RF 3rd: Immunologic classification of leukemia and lymphoma. Blood. 1986 Jul;68(1):1-31.
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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
