CD19 is a member of the immunoglobulin superfamily and has two Ig like domains. It is a single chain glycoprotein, present on the surface of normal and neoplastic B-cells. CD19 is expressed at an early stage by progenitor B-cells in bone marrow and during all stages of B-cell maturation. This antigen is lost upon terminal differentiation to plasma cells.
| Inventor | Institute |
|---|---|
| Karen Pulford | University of Oxford |
| Cat. #: | 151352 |
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| Tool sub type: | Primary antibody |
| Unit size: | 100 ug |
| Research Fields: | Cancer;Cell signaling and signal transduction;Immunology;Stem cell biology |
| Application: | FACS ; IHC ; IF ; IP ; WB |
| Target: | CD19 |
| Reactivity: | Human |
| Clone: | PDR134 |
| Host: | Mouse |
| Class: | Monoclonal |
| Alternate name: | CD19 Molecule; B-Lymphocyte Surface Antigen B4; T-Cell Surface Antigen Leu-12; Differentiation Antigen CD19; CD19 Antigen; CVID3; B4 |
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| Product description: | CD19 is a member of the immunoglobulin superfamily and has two Ig like domains. It is a single chain glycoprotein, present on the surface of normal and neoplastic B-cells. CD19 is expressed at an early stage by progenitor B-cells in bone marrow and during all stages of B-cell maturation. This antigen is lost upon terminal differentiation to plasma cells. CD19 is important for detecting both normal and neoplastic B-cells. CD19 is present on neoplasms arising from early B-cells (e.g. acute leukemia of pre-B-cells) and more differentiated B-cell neoplasms (e.g. chronic lymphocytic leukemia and non-HodgkinÄËĂÂĂÂs lymphoma). Leukemia phenotype studies have demonstrated that the earliest and broadest B cell restricted antigen is the CD19 antigen. The CD19 cytoplasmic domain binds tyrosine kinases and PI-3 kinase. |
| Conjugation: | Unconjugated |
| Isotype: | IgM |
| Immunogen: | Pokeweek-stimulated Daudi and Raji cells |
| Myeloma used: | P3/NS1/1-Ag4.1 |
| Target background: | CD19 is a member of the immunoglobulin superfamily and has two Ig like domains. It is a single chain glycoprotein, present on the surface of normal and neoplastic B-cells. CD19 is expressed at an early stage by progenitor B-cells in bone marrow and during all stages of B-cell maturation. This antigen is lost upon terminal differentiation to plasma cells. CD19 is important for detecting both normal and neoplastic B-cells. CD19 is present on neoplasms arising from early B-cells (e.g. acute leukemia of pre-B-cells) and more differentiated B-cell neoplasms (e.g. chronic lymphocytic leukemia and non-Hodgkin's lymphoma). Leukemia phenotype studies have demonstrated that the earliest and broadest B cell restricted antigen is the CD19 antigen. The CD19 cytoplasmic domain binds tyrosine kinases and PI-3 kinase. |
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| Format: | Liquid |
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| Concentration: | 1 mg/ml |
| Storage buffer: | PBS with 0.02% azide |
| Storage conditions: | -15° C to -25° C |
| Shipping conditions: | Dry ice |
| References: |
Sato S and Tedder TF. 1997. CD19 Workshop Panel report. In Kishimoto T, et al (eds) Leucocyte Typing VI, Garland Publishing Inc., New York and London, p 133-135 Tedder TF et al. 1995. B-cell antigens: section report. In Schlossman SF, et al (eds) Leucocyte Typing V, Vol 1, Oxford University Press, Oxford, New York and Tokyo, p 491. |
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